Author: "J. RODIN" / Topic: 01 natural sciences - Searchworks@Jio Institute Digital Library Search Results

Your search keyword '"J. RODIN"' showing total 95 results

Start Over Author "J. RODIN" Topic 01 natural sciences

95 results on '"J. RODIN"'

1. Local and non-local modeling aspects of three-dimensional cracks growth initiation

Author: Gregory J. Rodin
Subjects: Mesoscopic physics, Normal plane, Computational Mechanics, Front (oceanography), 02 engineering and technology, Mechanics, Non local, 01 natural sciences, Physics::Geophysics, 010101 applied mathematics, 020303 mechanical engineering & transports, 0203 mechanical engineering, Mechanics of Materials, Simple (abstract algebra), Modeling and Simulation, Fracture (geology), Point (geometry), 0101 mathematics, Geology
Abstract: Three-dimensional crack growth initiation is examined under the assumption that the crack front remains smooth. Two important modeling issues, specific to three-dimensional rather than two-dimensional cracks, are addressed. First, it is established that, at each point along the crack front, the velocity and configurational force are two-dimensional vectors, lying in the local normal plane. This allows one to generalize any two-dimensional crack growth criterion to three dimensions. Second, a simple mesoscopic model to account for along-the-front non-locality is proposed. This model eliminates pathological growth patterns ubiquitous to basic models applied to three-dimensional cracks. Further, the model is straightforward to use as it relies on standard fracture properties only.
Published: 2020
Full Text: View/download PDF

2. Isogeometric analysis of boundary integral equations: High-order collocation methods for the singular and hyper-singular equations

Author: Gregory J. Rodin, Matthias Taus, and Thomas J. R. Hughes
Subjects: Independent equation, Applied Mathematics, Mathematical analysis, MathematicsofComputing_NUMERICALANALYSIS, 010103 numerical & computational mathematics, Isogeometric analysis, Singular integral, Singular boundary method, 01 natural sciences, Integral equation, Fourier integral operator, 010101 applied mathematics, Modeling and Simulation, Collocation method, ComputingMethodologies_SYMBOLICANDALGEBRAICMANIPULATION, 0101 mathematics, Boundary element method, Mathematics
Abstract: Isogeometric analysis is applied to boundary integral equations corresponding to boundary-value problems governed by Laplace’s equation. It is shown that the smoothness of geometric parametrizations central to computer-aided design can be exploited for regularizing integral operators to obtain high-order collocation methods involving superior approximation and numerical integration schemes. The regularization is applicable to both singular and hyper-singular integral equations, and as a result one can formulate the governing integral equations so that the corresponding linear algebraic equations are well-conditioned. It is demonstrated that the proposed approach allows one to compute accurate approximate solutions which optimally converge to the exact ones.
Published: 2016
Full Text: View/download PDF

3. Search for a Higgs boson decaying into two photons in e(+)e(-) interactions at root s=189 GeV

Author: M. Vivargent, D. Piccolo, Vladimir Andreev, R. Ramelli, C. C. Samuel Ting, D.W. Schmitz, P. de Jong, N. Shivarov, R. van Gulik, P. Extermann, Salvatore Mele, Christoph Schäfer, B. Z. Yang, H. Hofer, S. S. Gau, K. L. Tung, Peter Denes, Robert Clare, Lamberto Luminari, Paolo Bagnaia, W. G. Ma, Thomas Hebbeker, G. Ambrosi, M. Rescigno, A. Barczyk, M. Gataullin, T. Sztaricskai, Paul Lecoq, R. W. Kraemer, M. Napolitano, A. Oulianov, C. Palomares, P. Wienemann, Adrian Biland, Egidio Longo, V. Plyaskin, Pierre Lecomte, F. Pierella, Federico Cindolo, A. Stone, Georgi Sultanov, T. S. Dai, R. A. Khan, S. Pensotti, Valery Schegelsky, Antonino Zichichi, C. Dionisi, Nicola Cavallo, H. K. Park, D. Duchesneau, H. S. Chen, L. Servoli, R. Leiste, Christoph Paus, Dimitri Bourilkov, P. Spillantini, Pablo Garcia-Abia, Werner Lustermann, Charles Timmermans, M. Dierckxsens, S. C. Tonwar, H. Rykaczewski, Frank Filthaut, Giovanni Organtini, Alain Hervé, T. Paul, H. Wilkens, G. Castellini, M. Chemarin, A. Bay, Ren-Yuan Zhu, B. Petersen, Thomas Ferguson, A. Malinin, A. Bajo, Alexei Raspereza, M. T. Dova, G. S. Muanza, I. Vodopianov, E. Fiandrini, Igor Vorobiev, J. A. van Dalen, A. Engler, G. M. Chen, G. Forconi, M. Pohl, S. Vlachos, Z. F. Gong, Gyorgy Vesztergombi, Peter Raics, M. Capell, H. S. Fesefeldt, E. Pistolesi, Luca Malgeri, Carlo Civinini, G. Raven, L. Xia, Aaron Dominguez, Jean Fay, M. Aguilar-Benitez, O. Grimm, Felicitas Pauss, Herwig Schopper, M. Pedace, S. C. Blyth, Marco Meschini, J. Rodin, T. Niessen, S. Rosier-Lees, P. Le Coultre, M. Basile, An. Zalite, A. De Salvo, P. Bartalini, A. Krüger, J. G. Branson, Kajari Mazumdar, X. D. Cai, Alessandra Doria, A. Gurtu, S. Villa, P. Duinker, P. Levtchenko, Panos A Razis, Christopher George Tully, S. N. Ganguli, A. Degré, H. Postema, W. J. Burger, Michael Dittmar, M. N. Kienzle-Focacci, A. Seganti, Harvey B Newman, M. Musy, R. Barillère, Jozsef Toth, Claudio Luci, D. Pandoulas, F. C. Erné, Wolfgang Lohmann, H. Vogt, B. Bertucci, F. Anselmo, Nicanor Colino, A. Lebedev, D. Mangeol, D. Luckey, B. Musicar, Roberto Battiston, Gerjan Bobbink, B. Borgia, G. Schwering, A. Csilling, J. Ulbricht, Dong-Chul Son, C. Furetta, M. Lebeau, J.P. Martin, Simonetta Gentile, S. R. Hou, M. Wadhwa, A. Balandras, D. J. Schotanus, K. Freudenreich, B. Tellili, J. Berdugo, J. J. Blaising, Marco Pieri, J. Hirschfelder, Stefano Giagu, J. D. Swain, A. Hasan, Raffaello D'Alessandro, F. Cesaroni, A. Buijs, Leonardo Merola, E. J. Sanchez, Maurizio Biasini, Pierluigi Paolucci, Marta Felcini, Peter H. Fisher, A. Klimentov, L. Lugnier, W. Kittel, I. Clare, G. Cara Romeo, B. P. Roe, S. Reucroft, S. V. Baldew, D. O. Prokofiev, Francesco Becattini, L. Tauscher, X. L. Wang, S. Cucciarelli, M. Pauluzzi, G. Marian, Aleandro Nisati, F. Brochu, C. Maña, D. della Volpe, H. J. Lee, Marcella Diemoz, G. Landi, M. Fabre, Jasper Kirkby, M. A. Falagan, I. Vetlitsky, Giovanni Passaleva, Joseph Quartieri, E. Delmeire, U. K. Chaturvedi, T. Azemoon, M. Zöller, Mingming Yang, H. F. Chen, An.A. Vorobyov, A. Böhm, Simone Paoletti, Y. S. Lu, Riccardo Paramatti, A. Favara, D. Ren, Anna Katharina Kopp, Zheng Wang, H. J. Yang, R. Ofierzynski, P. G. Rancoita, Pàl Hidas, Zhenyu Zhang, A. J.M. Muijs, S. Bhattacharya, L. Baksay, F. Cotorobai, B. De La Cruz, A. Shvorob, R. Ranieri, S. Likhoded, A. Kunin, Marcos Cerrada, B. N. Jin, Manjit Kaur, G. Ruggiero, A. C. Weber, L. Z. Sun, O. Adriani, Z. Szillasi, Hafeez R Hoorani, S. Wynhoff, C-Q. Li, A. Rosca, V. K. Gupta, H. Nowak, G. Chiefari, D. Vicinanza, S. Shevchenko, J. H. Field, Imad Baptiste Laktineh, V. Koutsenko, Lucas Taylor, Francesca Cavallari, M. G. Alviggi, E. Valente, M. E. Sarakinos, F. Behner, Yu. Galaktionov, L. Bellucci, Z. A. Liu, A. Vorvolakos, F. DeNotaristefani, W. J. Metzger, B. Stoyanov, S. Schmidt-Kaerst, T. Angelescu, G. Mirabelli, W. Wallraff, J. Alcaraz, G. Y. Zhu, E. Shumilov, P. Déglon, P. Ladron de Guevara, G. Viertel, S. Banerjee, K. Lübelsmeyer, S. Saremi, J. Casaus, V. Shoutko, K. Sudhakar, Ya Han Hu, D. Haas, Manas Maity, Jeremy Mans, Tariq Aziz, Claudia Cecchi, M. von der Mey, P. Berges, Hans J. Vogel, A. Buffini, A. Mihul, J. B. Ye, G. Alemanni, J. K. Kim, F. L. Linde, C. G. Yang, J. Pothier, Yu. Zalite, M. Acciarri, Guo-Ming Chen, J. M. Le Goff, J. Yamamoto, N. Gheordanescu, W. T. Lin, S. Costantini, S. C. Yeh, J. A. Rubio, A. Chen, D. van Dierendonck, J. Salicio, Crisostomo Sciacca, B. Zimmermann, D. Kiss, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, Ph. Lebrun, X. W. Tang, P. A. Piroué, M. W. Gruenewald, M. Chamizo, I. Josa-Mutuberria, M. Kräber, Dong-Hyun Kim, G. Zilizi, R. Berbeco, A. Arefiev, R. R. McNeil, G. Carlino, G. Holzner, K. Riles, F. Marzano, G. Coignet, W. Krenz, S. X. Wu, Inkyu Park, M. Steuer, M. A. Rahaman, D. Perret-Gallix, D. Prokofiev, Luisa Cifarelli, L. J. Gutay, U. Becker, I. Duran, F. J. Eppling, L. W. Jones, S. M. Ting, J.V. Allaby, S. Patricelli, D. Hatzifotiadou, Laszlo Boldizsar, L. Romero, S. Sarkar, M. Bourquin, G. J. Grenier, Joachim Mnich, P. Achard, H. Milcent, T. Moulik, A. M. Cartacci, A. C. König, D. P. Stickland, Y. H. Chang, Francesca Nessi-Tedaldi, J. D. Burger, T. Siedenburg, G. Rahal-Callot, N. Raja, D. Dufournaud, H. Suter, Ia Iashvili, Z. Z. Xu, C. H. Lin, V. Pojidaev, Y. Uchida, Minhong Wang, M. P. Sanders, B. L. Betev, Speranza Falciano, A. Straessner, Luca Lista, Sabine Riemann, H. Anderhub, Michele Guida, B. Smith, S. Braccini, R. de Asmundis, I. Fisk, H. El Mamouni, Oleg Fedin, Max Weber, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Achard, Pablo, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Pohl, Martin, Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Bajo, A., Baksay, L., Balandras, A., Baldew, S. V., Banerjee, S., Barczyk, A., Barillere, R., Bartalini, P., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berbeco, R., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bohm, A., Boldizsar, L., Borgia, B., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brochu, F., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Cai, X. D., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiefari, Giovanni, Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Coignet, G., Colino, N., Costantini, S., Cotorobai, F., B. d., La, Csilling, A., Cucciarelli, S., Dai, T. S., Van, J. A., D'Alessandro, R., Asmundis, R. d., Deglon, P., Degre, A., Deiters, K., DELLA VOLPE, Domenico, Delmeire, E., Denes, P., Denotaristefani, F., Salvo, A. D., Diemoz, M., Dierckxsens, M., Dierendonck, D. v., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Dufournaud, D., Duinker, P., Duran, I., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabre, M., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisk, I., Forconi, G., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gau, S. S., Gentile, S., Gheordanescu, N., Giagu, S., Gong, Z. F., Grenier, G., Grimm, O., Gruenewald, M. W., Guida, M., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hidas, P., Hirschfelder, J., Hofer, H., Holzner, G., Hoorani, H., Hou, S. R., Hu, Y., Iashvili, I., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Khan, R. A., Kaur, M., Kienzle Focacci, M. N., Kim, D., Kim, J. K., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., Koutsenko, V., Kraber, M., Kraemer, R. W., Krenz, W., Kruger, A., Kunin, A., P. L., De, Laktineh, I., Landi, G., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., Lee, H. J., J. M., Le, Leiste, R., Levtchenko, P., Li, C., Likhoded, S., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Lugnier, L., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Mans, J., Marian, G., Martin, J. P., Marzano, F., Mazumdar, K., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mihul, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Moulik, T., Muanza, G. S., A. J. M., Musicar, B., Musy, M., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Niessen, T., Nisati, A., Nowak, H., Ofierzynski, R., Organtini, G., Oulianov, A., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Paramatti, R., Park, H. K., Park, I. H., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pedace, M., Pensotti, S., Perret Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pieri, M., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Pothier, J., Prokofiev, D. O., Prokofiev, D., Quartieri, J., Rahal Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Ranieri, R., Raspereza, A., Raven, G., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Riemann, S., Riles, K., Rodin, J., Roe, B. P., Romero, L., Rosca, A., Rosier Lees, S., Rubio, J. A., Ruggiero, G., Rykaczewski, H., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schopper, H., Schotanus, D. J., Schwering, G., Sciacca, Crisostomo, Seganti, A., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Suter, H., Swain, J. D., Szillasi, Z., Sztaricskai, T., Tang, X. W., Tauscher, L., Taylor, L., Tellili, B., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Valente, E., Vesztergombi, G., Vetlitsky, I., Vicinanza, D., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vodopianov, I., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, M., Wang, X. L., Wang, Z. M., Weber, A., Weber, M., Wienemann, P., Wilkens, H., S. X., Wu, Wynhoff, S., Xia, L., Z. Z., Xu, Yamamoto, J., Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., J. B., Ye, Yeh, S. C., Zalite, A., Zalite, Y., Zhang, Z. P., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Zilizi, G., Zimmermann, B., and Zoller, M.
Subjects: COLLISIONS, Z boson, Nuclear and High Energy Physics, Particle physics, Photon, Higgs boson, L3 data collected at LEP, Electron–positron annihilation, STANDARD MODEL, 2 PHOTONS, FOS: Physical sciences, ddc:500.2, 01 natural sciences, 7. Clean energy, Lower limit, High Energy Physics - Experiment, Standard Model, W-PAIR PRODUCTION, Nuclear physics, BHABHA SCATTERING, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, MONTE-CARLO PROGRAM, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], PARTICLES, TEVATRON, 010306 general physics, DETECTOR, Ciencias Exactas, L3 EXPERIMENT, Physics, 010308 nuclear & particles physics, Branching fraction, High Energy Physics::Phenomenology, Física, Function (mathematics), Scalar boson, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes of the Z are considered. No signal is observed and limits on the branching fraction of the Higgs boson decay into two photons as a function of the Higgs mass are derived assuming a Standard Model production rate. A lower limit on the mass of a fermiophobic Higgs is set at 94.9 GeV at 95% confidence level., Facultad de Ciencias Exactas
Published: 2016
Full Text: View/download PDF

4. Measurement of the W+W-gamma cross section and direct limits on anomalous quartic gauge boson couplings at LEP

Author: Yu. Galaktionov, F. Cesaroni, Peter H. Fisher, Egidio Longo, Lamberto Luminari, H. F. Chen, Riccardo Paramatti, A. Kunin, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Hafeez R Hoorani, S. X. Wu, W. J. Metzger, E. Delmeire, H. Rykaczewski, J. Alcaraz, D. Haas, Giovanni Organtini, U. K. Chaturvedi, H. Wilkens, G. S. Muanza, Jean Fay, Maurizio Biasini, Marta Felcini, Y. S. Lu, Nicola Cavallo, H. K. Park, F. Pierella, M. Vivargent, D. Piccolo, Federico Cindolo, A. Buijs, Inkyu Park, H. El Mamouni, A. Shvorob, R. Ranieri, C. Dionisi, Francesco Becattini, Aleandro Nisati, Speranza Falciano, G. Castellini, A. Straessner, Pablo Garcia-Abia, Pierre Lecomte, G. Chiefari, S. Shevchenko, Joseph Quartieri, G. Forconi, H. Milcent, M. Pohl, Alain Hervé, A. Lebedev, Dong-Chul Son, M. Steuer, J. H. Field, L. Baksay, F. Cotorobai, P. G. Rancoita, T. Angelescu, Luca Lista, Z. F. Gong, S. C. Tonwar, Frank Filthaut, H. J. Yang, Werner Lustermann, Charles Timmermans, M. Dierckxsens, A. Malinin, B. Stoyanov, G. Ruggiero, B. N. Jin, H. Nowak, Roberto Battiston, Jozsef Toth, Claudio Luci, D. Pandoulas, J. J. Blaising, J. Hirschfelder, T. Moulik, Stefano Giagu, A. C. Weber, S. Schmidt-Kaerst, J. Casaus, A. Bay, A. Mihul, Carlo Civinini, G. Raven, L. Xia, G. Alemanni, R. Ofierzynski, D. Vicinanza, D. Prokofiev, S. Likhoded, F. Behner, Oleg Fedin, Gerjan Bobbink, Luisa Cifarelli, W. Kittel, Marco Pieri, Pierluigi Paolucci, C. C. Samuel Ting, M. A. Rahaman, D. Perret-Gallix, M. Aguilar-Benitez, Mariagrazia Alviggi, B. Borgia, D. P. Stickland, Y. H. Chang, J. Ulbricht, O. Grimm, Herwig Schopper, S. C. Yeh, S. Wynhoff, Jeremy Mans, Thomas Ferguson, Sabine Riemann, Alessandra Doria, G. Mirabelli, R. van Gulik, Igor Vorobiev, W. Wallraff, Max Weber, C. G. Yang, P. Extermann, Salvatore Mele, I. Vetlitsky, H. Postema, G. Ambrosi, L. Romero, S. Reucroft, B. Tellili, M. Acciarri, Guo-Ming Chen, R. Ramelli, Peter Raics, Vladimir Andreev, J. Pothier, Yu. Zalite, A. M. Cartacci, A. C. König, K. Lübelsmeyer, F. L. Linde, S. Banerjee, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, Dimitri Bourilkov, G. Marian, S. Sarkar, P. Levtchenko, Pàl Hidas, P. Wienemann, A. Barczyk, Georgi Sultanov, A. Chen, D. van Dierendonck, P. Spillantini, Kajari Mazumdar, I. Clare, S. Bhattacharya, Panos A Razis, X. D. Cai, T. Sztaricskai, M. Fabre, T. S. Dai, B. Zimmermann, Mingming Yang, R. A. Khan, An. Zalite, S. Patricelli, Raffaello D'Alessandro, J. Salicio, H. Anderhub, A. Buffini, Konrad Deiters, D.W. Schmitz, M. Bourquin, P. de Jong, N. Shivarov, B. Petersen, G. J. Grenier, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, C-Q. Li, V. K. Gupta, S. R. Hou, M. Wadhwa, D. Dufournaud, Leonardo Merola, D. J. Schotanus, D. Hatzifotiadou, Ren-Yuan Zhu, E. Fiandrini, Giovanni Passaleva, Joachim Mnich, P. Achard, W. J. Burger, G. B. Mohanty, Alberto Aloisio, Ph. Lebrun, M. Pedace, Adrian Biland, Michael Dittmar, R. Berbeco, Gyorgy Vesztergombi, Luca Malgeri, L. Z. Sun, Z. A. Liu, A. Vorvolakos, F. DeNotaristefani, M. N. Kienzle-Focacci, J. Allaby, A. Csilling, Robert Clare, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, L. Tauscher, T. Azemoon, M. Lebeau, A. Gurtu, Laszlo Boldizsar, L. J. Gutay, Michele Guida, B. Smith, S. Braccini, J. D. Swain, Z. Z. Xu, C. H. Lin, R. Leiste, Christoph Paus, P. Violini, A. De Salvo, P. Bartalini, K. Sudhakar, Simonetta Gentile, A. Balandras, M. Chemarin, S. Saremi, Francesca Nessi-Tedaldi, A. Arefiev, V. Pojidaev, J. Berdugo, Ya Han Hu, E. J. Sanchez, M. Napolitano, U. Becker, R. de Asmundis, I. Fisk, Marcos Cerrada, A. Seganti, I. Duran, A. Oulianov, C. Palomares, Harvey B Newman, M. Musy, Manas Maity, P. Berges, M. von der Mey, R. R. McNeil, I. Vodopianov, A. Engler, J. M. Le Goff, J. Yamamoto, N. Gheordanescu, G. Carlino, X. W. Tang, P. A. Piroué, M. Chamizo, Peter Denes, J. A. Rubio, D. Kiss, Tariq Aziz, Paolo Bagnaia, F. J. Eppling, L. W. Jones, D. Duchesneau, H. S. Chen, An.A. Vorobyov, J. B. Ye, G. M. Chen, L. Servoli, Aaron Dominguez, A. Hasan, M. Capell, Felicitas Pauss, J. D. Burger, T. Siedenburg, L. Bellucci, S. M. Ting, A. Böhm, M. Rescigno, G. Rahal-Callot, N. Raja, X. L. Wang, M. Pauluzzi, G. Holzner, S. Rosier-Lees, H. S. Fesefeldt, E. Pistolesi, K. Riles, O. Adriani, S. C. Blyth, Marco Meschini, P. Le Coultre, M. Basile, H. Suter, Ia Iashvili, F. Marzano, G. Coignet, W. Krenz, Imad Baptiste Laktineh, Lucas Taylor, D. Ren, Crisostomo Sciacca, D. Mangeol, Y. Uchida, Francesca Cavallari, D. Luckey, J.P. Martin, G. Y. Zhu, E. Shumilov, Minhong Wang, M. P. Sanders, B. L. Betev, V. Shoutko, Christopher George Tully, Dong-Hyun Kim, Claudia Cecchi, J. A. van Dalen, G. Zilizi, Z. Szillasi, Wolfgang Lohmann, H. Vogt, B. Bertucci, V. Koutsenko, G. Landi, Simone Paoletti, B. Musicar, F. Anselmo, Nicanor Colino, A. J.M. Muijs, Manjit Kaur, G. Cara Romeo, B. P. Roe, F. Brochu, D. della Volpe, J. G. Branson, H. J. Lee, Marcella Diemoz, S. Villa, S. N. Ganguli, A. Degré, E. Valente, R. Barillère, G. Viertel, Hans J. Vogel, W. T. Lin, S. Costantini, T. Paul, S. V. Baldew, D. O. Prokofiev, Jasper Kirkby, M. A. Falagan, M. Zöller, Anna Katharina Kopp, V. Plyaskin, S. Vlachos, Alexei Raspereza, M. T. Dova, J. Rodin, A. Krüger, T. Niessen, F. C. Erné, K. Freudenreich, S. S. Gau, M. Gataullin, A. Stone, P. Duinker, S. Cucciarelli, C. Maña, A. Klimentov, B. De La Cruz, P. Déglon, A. Favara, Zheng Wang, Zhenyu Zhang, A. Rosca, M. E. Sarakinos, P. Ladron de Guevara, A. Bajo, G. Schwering, C. Furetta, L. Lugnier, J. K. Kim, Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Bajo, A., Baksay, L., Balandras, A., Baldew, S. V., Banerjee, S., Banerjee, S. W., Barczyk, A., Barillere, R., Bartalini, P., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berbeco, R., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bohm, A., Boldizsar, L., Borgia, B., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brochu, F., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Cai, X. D., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiefari, Giovanni, Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Coignet, G., Colino, N., Costantini, S., Cotorobai, F., B. d., La, Csilling, A., Cucciarelli, S., Dai, T. S., Van, J. A., D'Alessandro, R., Asmundis, R. d., Deglon, P., Degre, A., Deiters, K., DELLA VOLPE, Domenico, Delmeire, E., Denes, P., Denotaristefani, F., Salvo, A. D., Diemoz, M., Dierckxsens, M., Dierendonck, D. v., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Dufournaud, D., Duinker, P., Duran, I., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabre, M., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisk, I., Forconi, G., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gau, S. S., Gentile, S., Gheordanescu, N., Giagu, S., Gong, Z. F., Grenier, G., Grimm, O., Gruenewald, M. W., Guida, M., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hidas, P., Hirschfelder, J., Hofer, H., Holzner, G., Hoorani, H., Hou, S. R., Hu, Y., Iashvili, I., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Khan, R. A., Kaur, M., Kienzle Focacci, M. N., Kim, D., Kim, J. K., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., Koutsenko, V., Kraber, M., Kraemer, R. W., Krenz, W., Kruger, A., Kunin, A., P. L., De, Laktineh, I., Landi, G., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., Lee, H. J., J. M., Le, Leiste, R., Levtchenko, P., Li, C., Likhoded, S., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Lugnier, L., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Mans, J., Marian, G., Martin, J. P., Marzano, F., Mazumdar, K., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mihul, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Moulik, T., Muanza, G. S., A. J. M., Musicar, B., Musy, M., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Niessen, T., Nisati, A., Nowak, H., Ofierzynski, R., Organtini, G., Oulianov, A., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Paramatti, R., Park, H. K., Park, I. H., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pedace, M., Pensotti, S., Perret Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pieri, M., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Pothier, J., Prokofiev, D. O., Prokofiev, D., Quartieri, J., Rahal Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Ranieri, R., Raspereza, A., Raven, G., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Riemann, S., Riles, K., Rodin, J., Roe, B. P., Romero, L., Rosca, A., Rosier Lees, S., Rubio, J. A., Ruggiero, G., Rykaczewski, H., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schopper, H., Schotanus, D. J., Schwering, G., Sciacca, Crisostomo, Seganti, A., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Suter, H., Swain, J. D., Szillasi, Z., Sztaricskai, T., Tang, X. W., Tauscher, L., Taylor, L., Tellili, B., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Valente, E., Vesztergombi, G., Vetlitsky, I., Vicinanza, D., Viertel, G., Villa, S., Violini, P., Vivargent, M., Vlachos, S., Vodopianov, I., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, M., Wang, X. L., Wang, Z. M., Weber, A., Weber, M., Wienemann, P., Wilkens, H., S. X., Wu, Wynhoff, S., Xia, L., Z. Z., Xu, Yamamoto, J., Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., J. B., Ye, Yeh, S. C., Zalite, A., Zalite, Y., Zhang, Z. P., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Zilizi, G., Zimmermann, B., Zoller, M., Achard, Pablo, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Pohl, Martin, and IHEF (IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Photon, PAIR PRODUCTION, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, ddc:500.2, 01 natural sciences, 7. Clean energy, Standard Model, High Energy Physics - Experiment, Nuclear physics, Cross section (physics), High Energy Physics - Experiment (hep-ex), MUON DETECTOR, Quartic function, 0103 physical sciences, MONTE-CARLO PROGRAM, CALORIMETER, 010306 general physics, Ciencias Exactas, L3 EXPERIMENT, Physics, Gauge boson, Luminosity (scattering theory), CONSTRUCTION, 010308 nuclear & particles physics, Física, LEP, COLLIDERS, L3 detector, SINGLE, MISSING ENERGY, High Energy Physics::Experiment
Abstract: The process eqeyaWqWyg is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.8 pby1 . Based on a sample of 42 selected WqWy candidates containing an isolated hard photon, the WqWyg cross section, defined within phase-space cuts, is measured to q y be: s WW s290"80"16 fb, consistent with the Standard Model expectation. Including the process e e anngg, limits g are derived on anomalous contributions to the Standard Model quartic vertices WqWygg and WqWyZg at 95% CL: y0.043 GeVy2-a rL2-0.043 GeVy2 , y0.08 GeVy2-a rL2-0.13 GeVy2 , y0.41 GeVy2-a rL2-0.37 GeVy2, Facultad de Ciencias Exactas
Published: 2016

5. QCD studies in e(+)e(-) annihilation from 30 GeV to 189 GeV

Author: M. Vivargent, D. Piccolo, Ren-Yuan Zhu, Luciano Barone, A. Barczyk, Adrian Biland, M. Pedace, C. Dionisi, Vladimir Andreev, S. C. Blyth, Marco Meschini, G. Landi, D. Ruschmeier, Christopher George Tully, Wolfgang Lohmann, H. Vogt, B. Bertucci, F. Anselmo, Simone Paoletti, Nicanor Colino, R. Leiste, Christoph Paus, S. X. Wu, A. Gurtu, P. G. Rancoita, Peter Denes, G. Viertel, Paolo Bagnaia, Pablo Garcia-Abia, F. Pierella, Federico Cindolo, S. C. Tonwar, Inkyu Park, A. Favara, H. Nowak, Frank Filthaut, Thomas Ferguson, Helmut Vogel, A. J.M. Muijs, M. N. Kienzle-Focacci, D. Vicinanza, Manjit Kaur, Alain Hervé, Lamberto Luminari, Peter H. Fisher, G. Forconi, Yu. Galaktionov, C-Q. Li, A. Hasan, V. K. Gupta, A. Csilling, Zheng Wang, Zhenyu Zhang, J. Alcaraz, Aleandro Nisati, W. Wallraff, Jozsef Toth, Claudio Luci, D. Pandoulas, Speranza Falciano, Peter Raics, A. Straessner, Luca Lista, S. Costantini, I. Vodopianov, A. Engler, M. Capell, R. Barillère, A. Rosca, M. E. Sarakinos, Joseph Quartieri, S. Banerjee, Kajari Mazumdar, M. Steuer, M. A. Rahaman, D. Perret-Gallix, Marco Pieri, H. S. Fesefeldt, E. Pistolesi, Pierre Lecomte, A. Buijs, H. El Mamouni, F. Di Lodovico, X. D. Cai, Jeremy Mans, A. Bay, Pierluigi Paolucci, Carlo Civinini, M. Rescigno, C. C. Samuel Ting, A. Arefiev, R. R. McNeil, G. Carlino, W. Kittel, F. DeNotaristefani, P. Marchesini, G. Marian, P. Ladron de Guevara, Werner Lustermann, Charles Timmermans, M. Dierckxsens, R. van Gulik, P. Extermann, Salvatore Mele, A. Malinin, Roberto Battiston, Tariq Aziz, Willis Lin, D. Prokofiev, M. Acciarri, Sabine Riemann, G. Raven, V. Brigljevic, Christoph Schäfer, B. Z. Yang, L. Xia, H. Hofer, Guo-Ming Chen, S. Reucroft, G. Ambrosi, K. L. Tung, Luisa Cifarelli, Gerjan Bobbink, B. Borgia, Giovanni Passaleva, P. Duinker, G. Ruggiero, A. Mihul, G. Alemanni, G. Holzner, B. N. Jin, J. Ulbricht, A. Chen, D. van Dierendonck, M. Aguilar-Benitez, O. Grimm, K. Riles, P. Wienemann, Georgi Sultanov, J. Salicio, T. S. Dai, A. C. Weber, Egidio Longo, R. A. Khan, A. M. Cartacci, Oleg Fedin, B. Tellili, F. Cesaroni, A. Lebedev, Ya Han Hu, J. K. Kim, Dong-Chul Son, M. Fabre, Mingming Yang, Manas Maity, Herwig Schopper, J. J. Blaising, J. Hirschfelder, Stefano Giagu, J.P. Martin, F. Marzano, G. Coignet, A. Klimentov, Max Weber, Crisostomo Sciacca, W. Krenz, P. Berges, G. Mirabelli, J.V. Allaby, S. Patricelli, I. Clare, H. Postema, Emilio Leonardi, S. V. Baldew, D. O. Prokofiev, E. Delmeire, U. K. Chaturvedi, M. Chemarin, K. Lübelsmeyer, D. Dufournaud, H. Anderhub, S. C. Yeh, D. Hatzifotiadou, D. Sciarrino, Y. S. Lu, G. M. Chen, Aaron Dominguez, Laszlo Boldizsar, K. Sudhakar, Riccardo Paramatti, Konrad Deiters, Nicola Cavallo, Z. Z. Xu, A. Shvorob, A. Oulianov, C. Palomares, C. H. Lin, Felicitas Pauss, G. B. Mohanty, A. Kunin, Alberto Aloisio, Michele Guida, B. Smith, H. K. Park, V. Pojidaev, Dong-Hyun Kim, L. Baksay, O. Adriani, F. Cotorobai, Jasper Kirkby, M. A. Falagan, M. von der Mey, J. H. Field, A. Bajo, S. Rosier-Lees, I. Vetlitsky, A. Buffini, J. B. Ye, Ph. Lebrun, R. Ramelli, G. Castellini, S. Braccini, Hafeez R Hoorani, G. Zilizi, Imad Baptiste Laktineh, Lucas Taylor, P. Le Coultre, M. Basile, B. Stoyanov, W. J. Burger, M. Zöller, U. Becker, D.W. Schmitz, Z. F. Gong, B. Musicar, T. Sztaricskai, M. G. Alviggi, M. W. Gruenewald, P. de Jong, N. Shivarov, S. Schmidt-Kaerst, G. Schwering, Michael Dittmar, Anna Katharina Kopp, S. S. Gau, X. W. Tang, I. Duran, M. Campanelli, R. de Asmundis, I. Fisk, T. Angelescu, L. J. Gutay, Y. Uchida, Robert Clare, D. Mangeol, Raffaello D'Alessandro, P. A. Piroué, W. J. Metzger, M. Chamizo, Kati Lassila-Perini, W. G. Ma, Thomas Hebbeker, V. Plyaskin, I. Josa-Mutuberria, M. Kräber, Z. A. Liu, A. Vorvolakos, C. Furetta, Paul Lecoq, R. W. Kraemer, D. Luckey, J. D. Swain, M. Napolitano, F. J. Eppling, L. W. Jones, M. Gataullin, J. Casaus, Minhong Wang, M. P. Sanders, J. A. van Dalen, L. Lugnier, D. Kiss, S. M. Ting, B. L. Betev, R. Berbeco, D. Haas, A. Stone, H. J. Lee, S. Saremi, D. Duchesneau, H. S. Chen, L. Servoli, Leonardo Merola, Alexei Raspereza, M. T. Dova, F. L. Linde, J. G. Branson, S. Villa, A. Böhm, An. Zalite, Marcella Diemoz, S. Pensotti, Valery Schegelsky, Antonino Zichichi, C. G. Yang, L. Tauscher, J. Pothier, Yu. Zalite, P. Molnar, J. M. Le Goff, J. Yamamoto, B. De La Cruz, H. Rykaczewski, T. Azemoon, Giovanni Organtini, N. Gheordanescu, S. N. Ganguli, A. Krüger, H. Wilkens, H. F. Chen, Maurizio Biasini, A. Degré, Marcos Cerrada, G. S. Muanza, J. A. Rubio, Axel König, P. Déglon, Marta Felcini, Jean Fay, Pàl Hidas, S. Bhattacharya, G. Chiefari, S. Shevchenko, L. Z. Sun, F. Behner, Francesco Becattini, L. Bellucci, Alessandra Doria, S. R. Hou, M. Wadhwa, D. J. Schotanus, H. J. Yang, S. Likhoded, S. Wynhoff, G. Cara Romeo, B. P. Roe, F. Brochu, D. della Volpe, H. Milcent, A. A. Vorobyov, M. Pohl, T. Moulik, Z. Szillasi, D. P. Stickland, Y. H. Chang, V. Koutsenko, Dimitri Bourilkov, L. Romero, P. Spillantini, S. Sarkar, B. Petersen, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, A. De Salvo, P. Bartalini, A. Seganti, Harvey B Newman, M. Musy, M. Bourquin, G. J. Grenier, Joachim Mnich, P. Achard, A. Robohm, Francesca Nessi-Tedaldi, J. D. Burger, T. Siedenburg, G. Rahal-Callot, N. Raja, H. Suter, Ia Iashvili, Francesca Cavallari, G. Y. Zhu, E. Shumilov, V. Shoutko, Claudia Cecchi, Igor Vorobiev, P. Levtchenko, Panos A Razis, Simonetta Gentile, A. Balandras, J. Berdugo, E. J. Sanchez, R. Faccini, X. L. Wang, M. Pauluzzi, D. Ren, F. C. Erné, K. Freudenreich, S. Cucciarelli, C. Maña, T. Paul, S. Vlachos, J. Rodin, T. Niessen, F. Ferroni, E. Valente, M. Lebeau, Achard, Pablo, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Pohl, Martin, Sciarrino, Deborah, L3 (IHEF, IoP, FNWI), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Bajo, A., Baksay, L., Balandras, A., Baldew, S. V., Banerjee, S., Barczyk, A., Barillere, R., Barone, L., Bartalini, P., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berbeco, R., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bohm, A., Boldizsar, L., Borgia, B., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brigljevic, V., Brochu, F., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Cai, X. D., Campanelli, M., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiefari, Giovanni, Cifarelli, L., Cindolo, F., Civinini, G., Clare, I., Clare, R., Coignet, G., Colino, N., Costantini, S., Cotorobai, F., B. d., La, Csilling, A., Cucciarelli, S., Dai, T. S., Van, J. A., D'Alessandro, R., Asmundis, R. d., Deglon, P., Degre, A., Deiters, K., DELLA VOLPE, Domenico, Delmeire, E., Denes, P., Denotaristefani, F., Salvo, A. D., Diemoz, M., Dierckxsens, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Dufournaud, D., Duinker, P., Duran, I., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabre, M., Faccini, R., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisk, I., Forconi, G., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gau, S. S., Gentile, S., Gheordanescu, N., Giagu, S., Gong, Z. F., Grenier, G., Grimm, O., Gruenewald, M. W., Guida, M., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hasan, A., Hazifotiadou, D., Hebbeker, T., Herve, A., Hidas, P., Hirschfelder, J., Hofer, H., Holzner, G., Hoorani, H., Hou, S. R., Hu, Y., Iashvili, I., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Khan, R. A., Kaur, M., Kienzle Focacci, M. N., Kim, D., Kim, J. K., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., Koutsenko, V., Kraber, M., Kraemer, R. W., Krenz, W., Kruger, A., Kunin, A., P. L., De, Laktineh, I., Landi, G., Lassila Perini, K., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., Lee, H. J., J. M., Le, Leiste, R., Leonardi, E., Levtchenko, P., Li, C., Likhoded, S., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Lugnier, L., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Mans, J., Marchesini, P., Marian, G., Martin, J. P., Marzano, F., Mazumdar, K., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mihul, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Molnar, P., Moulik, T., Muanza, G. S., A. J. M., Musicar, B., Musy, M., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Niessen, T., Nisati, A., Nowak, H., Organtini, G., Oulianov, A., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Paramatti, R., Park, H. K., Park, I. H., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pedace, M., Perret Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pieri, M., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Pothier, J., Prokofiev, D. O., Prokofiev, D., Quartieri, J., Rahal Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Raspereza, A., Raven, G., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Riemann, S., Riles, K., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosca, A., Rosier Lees, S., Rubio, J. A., Ruggiero, G., Ruschmeier, D., Rykaczewski, H., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schopper, H., Schotanus, D. J., Schwering, G., Sciacca, Crisostomo, Sciarrino, D., Seganti, A., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Suter, H., Swain, J. D., Szillasi, Z., Sztaricskai, T., Tang, X. W., Tauscher, L., Taylor, L., Tellili, B., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Valente, E., Vesztergombi, G., Vetlitsky, I., Vicinanza, D., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vodopianov, I., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, M., Wang, X. L., Wang, Z. M., Weber, A., Weber, M., Wienemann, P., Wilkens, H., S. X., Wu, Wynhoff, S., Xia, L., Z. Z., Xu, Yamamoto, J., Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., J. B., Ye, Yeh, S. C., Zalite, A., Zalite, Y., Zhang, Z. P., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Zilizi, G., Zoller, M., and Flores, Sylvie
Subjects: Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Electron–positron annihilation, Hadron, FOS: Physical sciences, ddc:500.2, EVENT SHAPE DISTRIBUTIONS, 01 natural sciences, 7. Clean energy, Power law, High Energy Physics - Experiment, CROSS-SECTIONS, Nuclear physics, High Energy Physics - Experiment (hep-ex), MONTE-CARLO, POWER CORRECTIONS, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ANGLE BHABHA SCATTERING, 010306 general physics, Ciencias Exactas, Ansatz, L3 EXPERIMENT, Quantum chromodynamics, Coupling constant, Physics, Annihilation, HADRONIC EVENTS, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, LEPTON PAIR PRODUCTION, structure of hadronic events, centre-of-mass energies, L3 detector, l3 collaboration, High Energy Physics::Experiment, Energy (signal processing), Particle Physics - Experiment, TO-LEADING ORDER
Abstract: We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies. The distributions of event shape variables and the energy dependence of their mean values are measured from 30 GeV to 189 GeV and compared with various QCD models. The energy dependence of the moments of event shape variables is used to test a power law ansatz for the non-perturbative component. We obtain a universal value of Ž 2 the non-perturbative parameter a s 0.537 ± 0.073. From a comparison with resummed O(αs2)QCD calculations, we 0 s determine the strong coupling constant at each of the selected energies. The measurements demonstrate the running of αs as expected in QCD with a value of αs(mZ) = 0.1215 ± 0.0012 (exp) ± 0.0061 (th)., Facultad de Ciencias Exactas
Published: 2016

6. Search for extra dimensions in boson and fermion pair production in e(+)e(-) interactions at LEP

Author: F. C. Erné, Yu. Galaktionov, C-Q. Li, J. Alcaraz, V. K. Gupta, H. Milcent, F. DeNotaristefani, K. Freudenreich, M. Rescigno, R. Barillère, A. Mihul, T. Moulik, Egidio Longo, G. Alemanni, H. Anderhub, S. Cucciarelli, C. Maña, S. C. Yeh, Manas Maity, P. Berges, A. Barczyk, Valery Schegelsky, H. Rykaczewski, Giovanni Organtini, S. C. Blyth, H. Wilkens, Jean Fay, S. X. Wu, Nicolas Produit, Helmut Vogel, T. Angelescu, J. A. van Dalen, Michele Guida, B. Smith, S. Braccini, Pàl Hidas, S. Bhattacharya, Adrian Biland, G. Landi, A. Buijs, Marco Meschini, Dimitri Bourilkov, M. Steuer, L. Z. Sun, J. Casaus, P. Laurikainen, D. O. Prokofiev, Alessandra Doria, F. Muheim, P. Spillantini, B. Petersen, D. P. Stickland, F. Ziegler, Y. H. Chang, P. Marchesini, Roberto Battiston, V. Brigljevic, Peter Raics, C. G. Yang, J. Pothier, Raffaello D'Alessandro, Yu. Zalite, Maurizio Biasini, Jasper Kirkby, M. A. Falagan, M. Zöller, R. de Asmundis, A. Oulianov, I. Fisk, M. Lebeau, M. A. Rahaman, D. Perret-Gallix, C. Palomares, Ren-Yuan Zhu, Luciano Barone, Gyorgy Vesztergombi, Luca Malgeri, G. Schwering, I. Vodopianov, Marta Felcini, Gerjan Bobbink, B. Borgia, B. N. Jin, J. Ulbricht, Christopher George Tully, Kajari Mazumdar, X. D. Cai, Leonardo Merola, Peter H. Fisher, Francesco Becattini, Anna Katharina Kopp, L. Bellucci, A. Engler, Francesca Cavallari, J. Busenitz, A. Arefiev, C. Dionisi, F. Cindolo, A. De Salvo, M. Capell, L. Tauscher, K. Sudhakar, L. Romero, R. R. McNeil, Wolfgang Lohmann, H. Vogt, B. Bertucci, T. Azemoon, M. Pedace, T. van Rhee, C. Furetta, Pablo Garcia-Abia, Alain Hervé, G. Carlino, M. Wadhwa, W. Kittel, Y. D. Oh, D. J. Schotanus, A. Bay, R. van Gulik, P. Bartalini, Aleandro Nisati, Kati Lassila-Perini, H. S. Fesefeldt, E. Pistolesi, S. C. Kim, Lamberto Luminari, M. von der Mey, S. Sarkar, I. Clare, F. Anselmo, Nicanor Colino, A. Gurtu, T. Paul, V. Plyaskin, J. P. Martin, P. Extermann, Salvatore Mele, L. Lugnier, Carlo Civinini, P. Lecomte, Riccardo Paramatti, Christoph Schäfer, B. Z. Yang, H. Hofer, G. Raven, H. J. Yang, L. Xia, J. B. Ye, A. Kunin, Joseph Quartieri, K. L. Tung, A. Seganti, Harvey B Newman, M. Musy, Hafeez R Hoorani, Marcos Cerrada, S. Pensotti, M. Bourquin, G. Holzner, W. J. Metzger, Vladimir Andreev, D. Ruschmeier, An.A. Vorobyov, M. Aguilar-Benitez, H. El Mamouni, D. Haas, M. T. Dova, F. L. Linde, O. Grimm, F. Di Lodovico, G. Y. Zhu, J. Tóth, E. Shumilov, Herwig Schopper, A. Hasan, Axel König, R. Leiste, K. Riles, Christoph Paus, R. C. Ball, Joachim Mnich, D. H. Kim, F. Marzano, G. Coignet, V. Shoutko, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, P. Achard, H. Postema, A. Favara, S. Wynhoff, A. Lebedev, Dong-Chul Son, P. Molnar, Simone Paoletti, Marco Pieri, M. Vivargent, D. Piccolo, Dong-Hyun Kim, H. F. Chen, A. J.M. Muijs, Aaron Dominguez, M. G. Alviggi, Manjit Kaur, Felicitas Pauss, W. Krenz, G. Zilizi, B. Monteleoni, Z. A. Liu, G. Forconi, A. Vorvolakos, A. Robohm, Zheng Wang, J. J. Blaising, J. Hirschfelder, Stefano Giagu, Pierluigi Paolucci, D. Kamrad, Werner Lustermann, Charles Timmermans, S. Rosier-Lees, A. Malinin, Zhenyu Zhang, U. K. Chaturvedi, P. Le Coultre, M. Basile, Y. S. Lu, S. Saremi, Samuel C.C. Ting, A. C. Weber, R. Ostonen, T. Sztaricskai, Oleg Fedin, A. Shvorob, Claudio Luci, Max Weber, G. Marian, G. Chiefari, S. Shevchenko, A. Rosca, Igor Vorobiev, Francesca Nessi-Tedaldi, Howard A. Stone, P. Levtchenko, M. Campanelli, A. Zichichi, J. H. Field, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, D. Mangeol, J. K. Kim, F. Behner, Peter Denes, M. E. Sarakinos, R. Ramelli, D. Luckey, I. Vetlitsky, Panos A Razis, J. D. Burger, T. Siedenburg, B. Stoyanov, G. Rahal-Callot, N. Raja, J. M. Le Goff, N. Gheordanescu, D.W. Schmitz, G. Pascale, S. Schmidt-Kaerst, D. Pandoulas, An. Zalite, H. J. Lee, Marcella Diemoz, D. Kiss, Paolo Bagnaia, L. Cifarelli, P. de Jong, N. Shivarov, Robert Clare, G. Mirabelli, W. G. Ma, M. Fabre, K. Lübelsmeyer, P. Lebrun, P. Ladron de Guevara, G. Ambrosi, B. Cozzoni, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, J. A. Rubio, S. R. Hou, F. Pierella, M. Napolitano, P. Wienemann, Georgi Sultanov, H. Suter, Ia Iashvili, M. Acciarri, Guo-Ming Chen, T. S. Dai, R. A. Khan, F. Cesaroni, D. Duchesneau, H. S. Chen, L. Servoli, A. Buffini, G. Grenier, E. Valente, W. J. Burger, D. van Dierendonck, Mingming Yang, G.S. Muanza, Simonetta Gentile, A. Button, J. Salicio, Emilio Leonardi, Michael Dittmar, S. C. Tonwar, M. Chemarin, A. Balandras, Frank Filthaut, N. Cavallo, J. Berdugo, D. Sciarrino, G. M. Chen, Thomas Ferguson, J. D. Swain, D. Peach, S. Reucroft, E. Fiandrini, S. Costantini, E. J. Sanchez, L. Baksay, F. Cotorobai, A. Böhm, R. Faccini, X. L. Wang, G. G.G. Massaro, A. Chen, D. Ren, A. P. Colijn, P. Duinker, A. Klimentov, H. K. Park, G. Castellini, B. De La Cruz, P. Déglon, S. S. Gau, M. Gataullin, A. Stone, Z. F. Gong, M. N. Kienzle-Focacci, A. Csilling, D. Prokofiev, L. J. Gutay, U. Becker, I. Duran, F. J. Eppling, L. W. Jones, S. M. Ting, M. Pauluzzi, Despina Hatzifotiadou, J.V. Allaby, S. Patricelli, Laszlo Boldizsar, L. Fredj, J. G. Branson, S. Villa, S. N. Ganguli, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, A. Degré, X. W. Tang, P. A. Piroué, G. Viertel, M. Chamizo, P. G. Rancoita, H. Nowak, D. Vicinanza, W. Wallraff, S. Banerjee, Tariq Aziz, Crisostomo Sciacca, Z. Szillasi, V. Koutsenko, G. Cara Romeo, B. P. Roe, C. Cecchi, F. Brochu, D. della Volpe, M. Pohl, A. M. Cartacci, D. Dufournaud, S. W. Banerjee, I. H. Park, Z. Z. Xu, C. H. Lin, S. Vlachos, V. Pojidaev, J. Rodin, T. Niessen, F. Ferroni, Y. Uchida, Minhong Wang, M. P. Sanders, B. L. Betev, Speranza Falciano, A. Straessner, Luca Lista, Willis Lin, Sabine Riemann, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Ambrosi, B., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Balandras, A., Ball, R. C., Banerjee, S., Barczyk, A., Barillere, R., Barone, L., Bartalini, P., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bohm, A., Boldizsar, L., Borgia, B., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brigljevic, V., Brochu, F., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Busenitz, J., Button, A., Cai, X. D., Campanelli, M., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, G., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiefari, Giovanni, Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Coignet, G., Colijn, A. P., Colino, N., Costantini, S., Cotorobai, F., Cozzoni, B., B. d., La, Csilling, A., Cucciarelli, S., Dai, T. S., Van, J. A., D'Alessandro, R., Asmundis, R. d., Deglon, P., Degre, A., Deiters, K., DELLA VOLPE, Domenico, Denes, P., Denotaristefani, F., Salvo, A. D., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Dufournaud, D., Duinker, P., Duran, I., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabre, M., Faccini, R., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisk, I., Forconi, G., Fredj, L., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gau, S. S., Gentile, S., Gheordanescu, N., Giagu, S., Gong, Z. F., Grenier, G., Grimm, O., Gruenewald, M. W., Guida, M., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hidas, P., Hirschfelder, J., Hofer, H., Holzner, G., Hoorani, H., Hou, S. R., Iashvili, I., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Khan, R. A., Kamrad, D., Kaur, M., Kienzle Focacci, M. N., Kim, D., Kim, D. H., Kim, J. K., Kim, S. C., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., Koutsenko, V., Kraber, M., Kraemer, R. W., Krenz, W., Kunin, A., P. L., De, Laktineh, I., Landi, G., Lassila Perini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., Lee, H. J., J. M., Le, Leiste, R., Leonardi, E., Levtchenko, P., Li, C., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Lugnier, L., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Marchesini, P., Marian, G., Martin, J. P., Marzano, F., G. G. G., Mazumdar, K., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mihul, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Molnar, P., Monteleoni, B., Moulik, T., Muanza, G. S., Muheim, F., A. J. M., Musy, M., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Niessen, T., Nisati, A., Nowak, H., Y. D., Oh, Organtini, G., Ostonen, R., Oulianov, A., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Paramatti, R., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Peach, D., Pedace, M., Pensotti, S., Perret Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pieri, M., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Pothier, J., Produit, N., Prokofiev, D. O., Prokofiev, D., Quartieri, J., Rahal Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Raven, G., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Rhee, T. v., Riemann, S., Riles, K., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosca, A., Rosier Lees, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schopper, H., Schotanus, D. J., Schwering, G., Sciacca, Crisostomo, Sciarrino, D., Seganti, A., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., Stone, H., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Suter, H., Swain, J. D., Szillasi, Z., Sztaricskai, T., Tang, X. W., Tauscher, L., Taylor, L., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Valente, E., Vesztergombi, G., Vetlitsky, I., Vicinanza, D., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vodopianov, I., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, M., Wang, X. L., Wang, Z. M., Weber, A., Weber, M., Wienemann, P., Wilkens, H., S. X., Wu, Wynhoff, S., Xia, L., Z. Z., Xu, Yang, B. Z., Yang, C. G., Yang, Z. P., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., Zilizi, G., and Zoller, M.
Subjects: Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, ENERGIES, QED CORRECTIONS, FOS: Physical sciences, 01 natural sciences, Standard Model, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), MONTE-CARLO, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, REALISTIC APPROACH, Ciencias Exactas, Boson, L3 EXPERIMENT, Physics, electroweak interaction, 010308 nuclear & particles physics, Electroweak interaction, High Energy Physics::Phenomenology, Graviton, Física, z boson, large electron positron collider, Extra dimensions, Pair production, Large Electron–Positron Collider, High Energy Physics::Experiment, Electroweak scale, Particle Physics - Experiment
Abstract: Extra spatial dimensions are proposed by recent theories that postulate the scale of gravity to be of the same order as the electroweak scale. A sizeable interaction between gravitons and Standard Model particles is then predicted. Effects of these new interactions in boson and fermion pair production are searched for in the data sample collected at centre-of-mass energies above the Z pole by the L3 detector at LEP. In addition, the direct production of a graviton associated with a Z boson is investigated. No statistically significant hints for the existence of these effects are found and lower limits in excess of 1 TeV are derived on the scale of this new theory of gravity, Facultad de Ciencias Exactas
Published: 2016
Full Text: View/download PDF

7. SEARCH FOR NEUTRAL CHARMLESS B-DECAYS AT LEP

Author: S. Easo, Kati Lassila-Perini, D.W. Schmitz, G. Pascale, V. Plyaskin, Samuel C.C. Ting, J. Y. Zeng, N. Shivarov, Claudio Luci, M. Rescigno, M. T. Dova, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, J. Rodin, Robert Clare, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, M. T. Choi, Francesca Nessi-Tedaldi, F. C. Erné, P. Schmitz, Alexei Klimentov, S. Petrak, H. S. Chen, B. Lindemann, J. D. Burger, G. Rahal-Callot, H. El Mamouni, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Alessandra Doria, Tariq Aziz, N. Scholz, S. R. Hou, M. Wadhwa, D. J. Schotanus, H. O. Cohn, Marcella Diemoz, M. Vivargent, L. Servoli, Igor Vorobiev, K. Freudenreich, C. Maña, I. C. Brock, T. Angelescu, E. Lieb, J. Casaus, Yu. Kamyshkov, Helmut Vogel, S. Mele, Kajari Mazumdar, Dai-Sik Kim, F. Di Lodovico, H. Rykaczewski, Giovanni Organtini, G. M. Bilei, A. Arefiev, Yu. Efremenko, Aa Vorobyov, A. Tsaregorodtsey, P. Bartalini, P. Levtchenko, Panos A Razis, F. Ferroni, P. Laurikainen, S. Müller, B. L. Betev, A. Lebedev, Dong-Chul Son, T. Kramer, R. Barillère, E. Brambilla, E. Valente, D. McNally, O. Toker, Y. Zeng, C. G. Yang, Xd Cai, J. J. Blaising, Stefano Giagu, K. Riles, G. Viertel, R. Fabbretti, C. Lapoint, S. Morganti, Y. Karyotakis, J. Berdugo, F. Marzano, Z. A. Liu, X. Y. Yao, Luca Lista, Mariagrazia Alviggi, G. Coignet, W. Krenz, M. Möller, J. G. Xu, H. F. Chen, M. Lenti, A. Buytenhuijs, Stefan Roth, G. Schwering, K. Schultze, H. Suter, G. F. Susinno, D. Goujon, Vincenzo Innocente, D. Fernandez, Juven Wang, I. Vetlitsky, J. Schwenke, S. Costantini, E. J. Sanchez, S. X. Wu, Marco Meschini, D. Kirkby, J. M. Le Goff, Crisostomo Sciacca, N. Gheordanescu, J. C. Pinto, Jasper Kirkby, J.V. Allaby, S. Patricelli, Sabine Riemann, R. Weill, F. Muheim, Roberto Battiston, Gerjan Bobbink, Dimitri Bourilkov, B. Borgia, S. S. Gau, M. Sassowsky, A. J.W. van Mil, H. De Boeck, Y. J. Pei, H. Kuijten, A. C. Weber, J. Busenitz, W. van Rossum, C. Burgos, Adrian Biland, G. Chiefari, S. Shevchenko, F. Behner, A. M. Cartacci, Andrea Baschirotto, Mingshui Chen, J. Gerald, R. Faccini, G. G.G. Massaro, P. G. Seiler, J. A. Rubio, M. Pauluzzi, M. N. Kienzle-Focacci, J. Ulbricht, R. Raghavan, D. DiBitonto, Ph. Rosselet, E. Fiandrini, Luca Malgeri, M. Steuer, F. J. Rodriguez, Laurent Vuilleumier, H. R. Gustafson, Joel Goldstein, P. Marchesini, Y. G. Kim, Attilio Santocchia, Jean Fay, D. Boutigny, Y. H. Chang, George Alverson, Roger Moore, Christopher George Tully, Marco Pieri, Yu. Galaktionov, G. Sauvage, J. Alcaraz, K. Banicz, An.A. Vorobyov, L. Fredj, A. Favara, Z. Z. Xu, G. Tsipolitis, D. Perret-Gallix, M. Schneegans, D. Ren, Y. Zhou, F. Cesaroni, M. Chamizo, Wolfgang Lohmann, J. Shukla, J. S. Kapustinsky, J. F. Zhou, V. Soulimov, B. De La Cruz, G. Hu, H. Vogt, G. Landi, B. Bertucci, V. Pojidaev, Simone Paoletti, O. Adriani, G. Mirabelli, Bryan R. Smith, S. C. Kim, Lucas Taylor, K. Sudhakar, B. Alpat, Emilio Leonardi, A. P. Colijn, Harvey B Newman, K. Hilgers, Nicanor Colino, L. J. Gutay, Francesca Cavallari, C. Leggett, Nicolas Produit, R. Bock, I. Clare, Suchandra Dutta, W. Lu, U. Becker, P. G. Rancoita, Manjit Kaur, A. Engler, M. Capell, J. B. Ye, Federico Cindolo, S. Mangla, K. Y. Lee, L. Baksay, F. Cotorobai, J. P. Martin, Georgi Sultanov, K. Lübelsmeyer, Piero Spillantini, Carlos Willmott, Speranza Falciano, G. Cara Romeo, B. P. Roe, I. Duran, G. Forconi, Gerard Fernandez, H. S. Fesefeldt, E. Pistolesi, G. Y. Zhu, E. Shumilov, Zheng Wang, S. C. Tonwar, W. C. van Hoek, V. Shoutko, T. S. Dai, J. C. Sens, Frank Filthaut, R. A. Khan, D. Antreasyan, B. C. Riemers, R. Leiste, Christoph Paus, H. Anderhub, Zhenyu Zhang, A. Adam, Maurizio Biasini, Jozsef Toth, Marta Felcini, A. Kunin, Thomas Ferguson, J. P. Ernenwein, P. Extermann, F. J. Eppling, G. J. Zhou, L. W. Jones, R. Völkert, C. Cecchi, B. N. Jin, H. Nowak, B. Schoeneich, P. Kapinos, Hafeez R Hoorani, Christoph Schäfer, B. Z. Yang, M. Tonutti, M. E. Sarakinos, H. Hofer, D. P. Stickland, P. Duinker, Simonetta Gentile, D. Pandoulas, B. Monteleoni, F. Sticozzi, S. Reucroft, J. M. Salicio, P. Ladron de Guevara, Andre Sopczak, W. J. Metzger, S. Goldfarb, Pierluigi Paolucci, H. Janssen, M. Gailloud, Kenneth Francis Read, Francesco Becattini, T. Spickermann, Michael Dittmar, S. M. Ting, Cheng Chen, A. Mihul, W. J. Burger, C. Zaccardelli, J. S. Lee, A. Gougas, J. T. He, Egidio Longo, Subir Sarkar, H. Tuchscherer, R. Morand, W. Wallraff, Peter Denes, F. L. Linde, R. Mount, Giovanni Ambrosi, L. Romero, Nicola Cavallo, J. D. Swain, P. de Jong, M. M. Ilyas, A. Buijs, Howard A. Stone, W. W. Kinnison, S. C. Yeh, F. Tonisch, A. Chan, E. Gonzalez, Paolo Bagnaia, A. Pevsner, V. P. Andreev, S. P. Ahlen, P. Zemp, Y. F. Wang, R. de Asmundis, Wt Lin, S. Banerjee, Zp Zhang, M. Bourquin, A. Böhm, G. Castellini, K. Strauch, Joachim Mnich, Lamberto Luminari, Raffaello D'Alessandro, A. Robohm, A. Bujak, Oliver Kornadt, M. Pohl, Z. F. Gong, S. Wynhoff, Leonardo Merola, L. Tauscher, C-Q. Li, V. K. Gupta, R. C. Ball, Pierre Lecomte, M. Chemarin, A. Kasser, Konrad Deiters, W. Kittel, T. Azemoon, T. Paul, Werner Lustermann, G. Gratta, S. Ro, R. Bizzarri, Gianpaolo Carlino, F. DeNotaristefani, E. Nagy, Marcos Cerrada, Y. Mi, Axel König, Luisa Cifarelli, G. M. Chen, A. Macchiolo, M. Fabre, T. E. Coan, J. G. Branson, Manas Maity, P. Berges, Davide Piccolo, S. N. Ganguli, Peter H. Fisher, Roberto Castello, Steve Nahn, A. Nippe, Alexander Malinin, A. Degré, X. L. Wang, M. Rattaggi, J. M. You, M. Caria, A. Koulbardis, An. Zalite, V. Koutsenko, O. Rind, Aaron Dominguez, Felicitas Pauss, S. Rosier-Lees, P. Le Coultre, M. Basile, J. K. Kim, D. Luckey, Gy L. Bencze, Reinhard W. Schulte, E. Dénes, D. Duchesneau, L. Z. Sun, A. Boucham, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, A. Bay, Carlo Civinini, M. Maolinbay, G. Raven, M. Aguilar-Benitez, Herwig Schopper, H. Postema, S. Röhner, F. Wittgenstein, L. Ludovici, E. Drago, R. Ostonen, A. Marin, L. Urbán, M. Lebeau, Ren-Yuan Zhu, Luciano Barone, A. Gurtu, Els Koffeman, V. Commichau, B. Hartmann, A. Hasan, I. Dorne, M. Redaelli, U. K. Chaturvedi, Y. S. Lu, J. H. Field, C. Y. Chien, A. Kirkby, B. Stoyanov, P. Lebrun, V. Brigljevic, M. Röhner, R. T. Van de Walle, M. Acciarri, Guo-Ming Chen, U. Uwer, A. Chen, D. van Dierendonck, J. Salicio, Alberto Aloisio, A. Ricker, X. W. Tang, P. A. Piroué, B. Zhou, B. C.C. van der Zwaan, L3 (IHEF, IoP, FNWI), Acciarri, M., Adam, A., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alpat, B., Alcaraz, J., Allaby, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Antreasyan, D., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Ball, R. C., Banerjee, S., Banicz, K., Barillere, R., Barone, L., Bartalini, P., Baschirotto, A., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bencze, G. L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biland, A., Bilei, G. M., Bizzarri, R., Blaising, J. J., Bobbink, G. J., Bock, R., Bohm, A., Borgia, B., Boucham, A., Bourilkov, D., Bourquin, M., Boutigny, D., Brambilla, E., Branson, J. G., Brigljevic, V., Brock, I. C., Buijs, A., Bujak, A., Burger, J. D., Burger, W. J., Burgos, C., Busenitz, J., Buytenhuijs, A., Cai, X. D., Capell, M., Romeo, G. C., Caria, M., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Castello, R., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chan, A., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, C., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chiefari, Giovanni, Chien, C. Y., Choi, M. T., Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Coan, T. E., Cohn, H. O., Coignet, G., Colijn, A. P., Colino, N., Commichau, V., Constantini, S., Cotorobai, F., Delacruz, B., Dai, T. S., Dalessandro, R., Deasmundis, R., Deboeck, H., Degre, A., Deiters, K., Denes, E., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dorne, I., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Y., Elmamouni, H., Engler, A., Eppling, F. J., Erne, F. C., Ernenwein, J. P., Extermann, P., Fabbretti, R., Fabre, M., Faccini, R., Falciano, S., Favara, A., Fay, J., Felcini, M., Ferguson, T., Fernandez, D., Fernandez, G., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Gailloud, M., Galaktionov, Y., Ganguli, S. N., Garciaabia, P., Gau, S. S., Gentile, S., Gerald, J., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z. F., Gonzalez, E., Gougas, A., Goujon, D., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gustafson, H. R., Gutay, L. J., Hartmann, B., Hasan, A., J. T., He, Hebbeker, T., Herve, A., Hilgers, K., Vanhoek, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Ilyas, M. M., Innocente, V., Janssen, H., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, I., Kasser, A., Khan, R. A., Kamyshkov, Y., Kapinos, P., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzlefocacci, M. N., Kim, D., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirkby, J., Kittel, W., Klimentov, A., Konig, A. C., Koffeman, E., Kornadt, O., Koutsenko, V., Koulbardis, A., Kraemer, R. W., Kramer, T., Krenz, W., Kuijten, H., Kunin, A., Deguevara, P. L., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, J. S., Lee, K. Y., Leggett, C., Legoff, J. M., Leiste, R., Levtchenko, P., Li, C., Lieb, E., Lin, W. T., Linde, F. L., Lenti, M., Leonardi, E., Lindemann, B., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Lu, W., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., W. G., Ma, Macchiolo, A., Maity, M., Malgeri, L., Malinin, A., Mana, C., Mangla, S., Maolinbay, M., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., G. G. G., Mazumdar, K., Mcnally, D., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Mi, Y., Mihul, A., A. J. W., Mirabelli, G., Mnich, J., Moller, M., Monteleoni, B., Moore, R., Morand, R., Morganti, S., Mount, R., Muller, S., Muheim, F., Nagy, E., Nahn, S., Napolitano, Marco, Nessitedaldi, F., Newman, H., Nippe, A., Nowak, H., Organtini, G., Ostonen, R., Pandoulas, D., Paoletti, S., Paolucci, P., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pei, Y. J., Pensotti, S., Perretgallix, D., Petrak, S., Pevsner, A., Piccolo, D., Pieri, M., Pinto, J. C., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Produit, N., Raghavan, R., Rahalcallot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Redaelli, M., Ren, D., Rescigno, M., Reucroft, S., Ricker, A., Riemann, S., Riemers, B. C., Riles, K., Rind, O., Ro, S., Robohm, A., Rodin, J., Rodriguez, F. J., Roe, B. P., Rohner, M., Rohner, S., Romero, L., Rosierlees, S., Rosselet, P., Vanrossum, W., Roth, S., Rubio, J. A., Rykaczewski, H., Salicio, J., Salicio, J. M., Sanchez, E., Santocchia, A., Sarakinos, M. E., Sarkar, S., Sassowsky, M., Sauvage, G., Schafer, C., Schegelsky, V., Schmitz, D., Schmitz, P., Schneegans, M., Schoeneich, B., Scholz, N., Schopper, H., Schotanus, D. J., Schulte, R., Schultze, K., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Seiler, P. G., Sens, J. C., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Son, D., Sopczak, A., Soulimov, V., Smith, B., Spickermann, T., Spillantini, P., Steuer, M., Stickland, D. P., Sticozzi, F., Stone, H., Stoyanov, B., Strauch, K., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Tang, X. W., Tauscher, L., Taylor, L., S. C. C., Ting, S. M., Toker, O., Tonisch, F., Tonutti, M., Tonwar, S. C., Toth, J., Tsaregorodtsev, A., Tsipolitis, G., Tully, C., Tuchscherer, H., Ulbricht, J., Urban, L., Uwer, U., Valente, E., Vandewalle, R. T., Vetlitsky, I., Viertel, G., Vivargent, M., Volkert, R., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vuilleumier, L., Wadhwa, M., Wallraff, W., Wang, J. C., Wang, X. L., Wang, Y. F., Wang, Z. M., Weber, A., Weill, R., Willmott, C., Wittgenstein, F., S. X., Wu, Wynhoff, S., Xu, J., Z. Z., Xu, Yang, B. Z., Yang, C. G., Yao, X. Y., J. B., Ye, Yeh, S. C., You, J. M., Zaccardelli, C., Zalite, A., Zemp, P., Zeng, J. Y., Zeng, Y., Zhang, Z., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhou, Y., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and B. C. C.
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, Higgs boson, L3 experiment, Hadron, Física, large electron positron collider, MESONS, 01 natural sciences, CP-VIOLATION, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, 0103 physical sciences, Large Electron–Positron Collider, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, Ciencias Exactas, L3 EXPERIMENT
Abstract: A search for rare charmless decays of B0d and B0s mesons has been performed in the exclusive channels B0d(s) →ηη0, B0d(s) →ηπ0 and B0d(s) →π0π0. The data sample consisted of three million hadronic Z decays collected by the L3 experiment at LEP from 1991 through 1994. No candidate event has been observed and the following upper limits at 90% confidence level on the branching ratios have been set: Br(B0d→ηη) −4, Br(B0s →ηη) < 1.5 x 10−3, Br(B0d→ηπ0) < 2.5 x 10−4, Br(B0s→ηπ0) < 1.0 x 10−3, Br(B0d→π0π0) < 6.0 x 10−5, Br(B0s→π0π0) < 2.1 x 10−4. These are the first experimental limits on Bd0→ηη and on the Bs0 neutral charmless modes., Facultad de Ciencias Exactas
Published: 2016

8. Suction effects in cratered surfaces

Author: Hyoyoung Jeong, Liu Wang, Shutao Qiao, Gregory J. Rodin, and Nanshu Lu
Subjects: Suction, Computer simulation, Airflow, Biomedical Engineering, Biophysics, Spherical cap, Bioengineering, 02 engineering and technology, Mechanics, Adhesion, Models, Theoretical, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Biochemistry, 0104 chemical sciences, Biomaterials, Surface tension, Impact crater, 0210 nano-technology, Material properties, Life Sciences–Engineering interface, Geology, Biotechnology
Abstract: It has been shown experimentally that cratered surfaces may have better adhesion properties than flat ones. However, the suction effect produced by the craters, which may be chiefly responsible for the improved adhesion, has not been properly modelled. This paper combines experimental, numerical simulation and analytical approaches towards developing a framework for quantifying the suction effect produced by isolated craters and cratered surfaces. The modelling approach emphasizes the essential role of large elastic deformation, while the airflow dynamics, microscopic mechanisms, like surface tension and air permeation, and rate-dependence are neglected. This approach is validated using experimental data for isolated hemi-spherical craters. The modelling approach is further applied to spherical cap (not necessarily hemi-spherical) craters with the objective of identifying optimal geometric and material properties, as well as the minimum preload necessary for attaining the maximum suction force. It is determined that stiff polymers with deep craters are capable of producing large suction forces. For soft materials, central to biomedical applications, large suction forces can be attained by reinforcing deep craters with thin stiff layers. Parametric optimization studies of reinforced craters reveal that some of them perform beyond common expectations. However, those high-performance reinforced craters are prone to surface instabilities, and therefore the practical use of such craters may be problematic.
Published: 2017
Full Text: View/download PDF

9. Study of the process at LEP

Author: M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, L. Baksay, A. Balandras, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, D. van Dierendonck, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, A. Ewers, P. Extermann, M. Fabre, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, Y. Hu, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, D. Käfer, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, M. Kopal, A. Kopp, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, J. Mans, G. Marian, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, T. Moulik, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, R. Ofierzynski, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, S. Roth, C. Rosenbleck, B. Roux, J.A. Rubio, G. Ruggiero, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, G. Zilizi, B. Zimmermann, and M. Zöller
Subjects: Physics, Nuclear and High Energy Physics, Gauge boson, Particle physics, Photon, 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, 7. Clean energy, Standard Model, Nuclear physics, Quartic function, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract: The process e + e − → Z γγ→ q q γγ is studied in 0.5 fb−1 of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are measured and found to be consistent with the Standard Model expectations. The study of the least energetic photon constrains the quartic gauge boson couplings to −0.008 GeV−2
Published: 2001
Full Text: View/download PDF

10. Search for excited leptons in e+e− interactions at –202 GeV

Author: Michele Guida, B. Smith, S. Braccini, J. G. Branson, W. J. Burger, Michael Dittmar, R. de Asmundis, I. Fisk, S. Villa, Davide Piccolo, S. N. Ganguli, Pàl Hidas, S. Bhattacharya, Xl Wang, A. Buijs, A. Degré, D. Kim, J. D. Swain, L. Z. Sun, A. Böhm, L. Bellucci, A. Rosca, B. Musicar, D. Prokofiev, Luisa Cifarelli, P. Lebrun, L. J. Gutay, An.A. Vorobyov, U. Becker, I. Duran, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, Francesca Cavallari, Jeremy Mans, A. C. Weber, Marcella Diemoz, F. J. Eppling, L. W. Jones, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, Riccardo Paramatti, Y. Uchida, S. M. Ting, A. Bay, Carlo Civinini, J. P. Martin, M. Acciarri, W. Kittel, G. Mirabelli, H.F. Chen, R. van Gulik, P. Extermann, Salvatore Mele, Christoph Schäfer, H. Hofer, A. Kunin, G. Raven, L. Xia, M. Aguilar-Benitez, O. Grimm, B. P. Roe, K. L. Tung, Herwig Schopper, K. Lübelsmeyer, G. Y. Zhu, E. Shumilov, Guo-Ming Chen, F. L. Linde, T. Angelescu, Minhong Wang, Hafeez R Hoorani, M. P. Sanders, B. L. Betev, Subir Sarkar, H. Postema, F. Brochu, V. K. Gupta, S. X. Wu, M. Kopal, E. Valente, Inkyu Park, M. Steuer, V. Shoutko, A. Buffini, R. Barillère, M. A. Rahaman, D. Perret-Gallix, D. della Volpe, Lamberto Luminari, Claudia Cecchi, Samuel C.C. Ting, G. Ruggiero, A. Chen, D. van Dierendonck, J. Salicio, M. W. Gruenewald, G. Ambrosi, I. Josa-Mutuberria, M. Kräber, M. Musy, J. Casaus, R. Berbeco, G. Forconi, M. Pohl, Z. A. Liu, A. Vorvolakos, Zhidong Zhang, W. J. Metzger, R. Leiste, Christoph Paus, Pierre Lecomte, L. Lugnier, G. Viertel, A. Arefiev, S. Sushkov, H. Milcent, A. Oulianov, Zhenghao Xu, C. Palomares, A. Lebedev, Dong-Chul Son, H. El Mamouni, A. Ewers, Z. Szillasi, Gianpaolo Carlino, F. DeNotaristefani, V. Koutsenko, Werner Lustermann, Charles Timmermans, M. Dierckxsens, A. Malinin, C. G. Yang, J. Pothier, Yu. Zalite, S. V. Baldew, D. O. Prokofiev, R. R. McNeil, T. Paul, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, G. Holzner, K. Riles, F. Marzano, G. Coignet, W. Krenz, Jozsef Toth, Claudio Luci, D. Pandoulas, M. Rescigno, M. Pauluzzi, S. Saremi, D. Haas, Yu. Galaktionov, J. Alcaraz, J. J. Blaising, J. Hirschfelder, H.J. Lee, Stefano Giagu, A. M. Cartacci, Hans J. Vogel, W. T. Lin, Jasper Kirkby, M. A. Falagan, A. C. König, S. Vlachos, J.V. Allaby, S. Patricelli, D. Ren, E. Delmeire, U. K. Chaturvedi, Y. S. Lu, M. Fabre, B. Tellili, M. Zöller, Stefan Roth, Anna Katharina Kopp, Vladimir Andreev, D. Hatzifotiadou, T. Moulik, Laszlo Boldizsar, S. Costantini, A. Shvorob, J. Rodin, Egidio Longo, Igor Vorobiev, Mariagrazia Alviggi, P. Levtchenko, V. Plyaskin, D. Dufournaud, Ya Han Hu, T. Niessen, Mingming Yang, J. H. Field, A. Bajo, Panos A Razis, A. Mihul, M. Vivargent, G. Alemanni, C. Li, I. Vetlitsky, M. Chemarin, N. Cavallo, C. H. Lin, V. Pojidaev, F. C. Erné, B. Stoyanov, A. Balandras, J. M. Le Goff, J. Yamamoto, Bz Yang, A. Barczyk, Oleg Fedin, S. Schmidt-Kaerst, S. Pensotti, Valery Schegelsky, Antonino Zichichi, N. Gheordanescu, J. Berdugo, G. Grenier, S. C. Yeh, Adrian Biland, D. Kiss, D. P. Stickland, Y. H. Chang, Alexei Raspereza, M. T. Dova, G. M. Chen, J. A. van Dalen, E. J. Sanchez, Ren-Yuan Zhu, Manas Maity, K. Freudenreich, Peter H. Fisher, J. A. Rubio, A. Straessner, Luca Lista, M. Pedace, A. Krüger, Alessandra Doria, P. Berges, L. Romero, A. Gurtu, H. Rykaczewski, Giovanni Organtini, H. Wilkens, S. Reucroft, Max Weber, D. Käfer, Raffaello D'Alessandro, N. Batalova, S. Cucciarelli, C. Maña, Aleandro Nisati, Sabine Riemann, I. Vodopianov, A. Engler, A. Hasan, Peter Denes, Leonardo Merola, M. Capell, H. K. Park, L. Tauscher, H. S. Fesefeldt, E. Pistolesi, Joseph Quartieri, T. Azemoon, S. R. Hou, M. Wadhwa, D. J. Schotanus, Kajari Mazumdar, Roberto Battiston, M. Bourquin, P. Raics, X. D. Cai, Paolo Bagnaia, F. Pierella, Federico Cindolo, Marcos Cerrada, Aaron Dominguez, Gerjan Bobbink, G. Castellini, B. Borgia, F. Cesaroni, Jean Fay, P. Achard, Maurizio Biasini, J. Ulbricht, Felicitas Pauss, S. C. Tonwar, Frank Filthaut, S. Rosier-Lees, P. Le Coultre, Pierluigi Paolucci, Z. F. Gong, M. Basile, G. Chiefari, S. Shevchenko, G. Zilizi, Thomas Ferguson, F. Behner, Marta Felcini, S. C. Blyth, Marco Meschini, D. Mangeol, G. Cara Romeo, K. Sudhakar, Christopher George Tully, D. Luckey, G. Schwering, Wolfgang Lohmann, Francesca Nessi-Tedaldi, L. Baksay, F. Cotorobai, H. Vogt, B. Bertucci, F. Anselmo, Nicanor Colino, I. Clare, Giovanni Passaleva, J. D. Burger, T. Siedenburg, M. von der Mey, G. Rahal-Callot, N. Raja, G. Marian, Francesco Becattini, J. B. Ye, M. N. Kienzle-Focacci, A. Csilling, M. Lebeau, H. Suter, Ia Iashvili, H. J. Yang, R. Ofierzynski, C. Furetta, S. Likhoded, S. Wynhoff, C. Rosenbleck, W.G. Ma, T. Sztaricskai, J. K. Kim, Tariq Aziz, An. Zalite, J. Mnich, A. Favara, Zheng Wang, P. Ladron de Guevara, Crisostomo Sciacca, Marco Pieri, P. G. Rancoita, B. N. Jin, H. Nowak, D. Vicinanza, Dimitri Bourilkov, P. Spillantini, B. Petersen, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, A. De Salvo, P. Bartalini, W. Wallraff, A. Seganti, Harvey B Newman, S. Banerjee, B. Zimmermann, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, X. W. Tang, P. Duinker, G. Landi, P. A. Piroué, Simonetta Gentile, M. Chamizo, Simone Paoletti, A. Klimentov, A. J.M. Muijs, Sw. Banerjee, Manjit Kaur, R. Ranieri, B. De La Cruz, P. Déglon, Speranza Falciano, R. Ramelli, D.W. Schmitz, S. S. Gau, P. de Jong, N. Shivarov, M. Gataullin, Robert Clare, A. Stone, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, D. Duchesneau, H. S. Chen, L. Servoli, G.S. Muanza, and H. Anderhub
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Luminosity (scattering theory), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, 7. Clean energy, 01 natural sciences, Pair production, Excited state, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 pb−1. No evidence of either pair production of excited leptons, nor of single production is found. From the searches for pair produced excited leptons, lower mass limits close to the kinematic limit are set. From the searches for singly produced excited leptons, upper limits on their couplings are derived in the mass range up to 200 GeV.
Published: 2001
Full Text: View/download PDF

11. Study of Z boson pair production in e+e− interactions at –202 GeV

Author: G. Mirabelli, H.F. Chen, K. Lübelsmeyer, A. Buffini, B. Zimmermann, F. Cesaroni, Konrad Deiters, W. J. Burger, Michael Dittmar, Y. Uchida, G. B. Mohanty, J. D. Swain, Alberto Aloisio, M.E. Sarakinos, A. Böhm, Zhenghao Xu, A. Lebedev, Dong-Chul Son, Dimitri Bourilkov, Minhong Wang, M. P. Sanders, B. L. Betev, G. Landi, V. Plyaskin, Lamberto Luminari, P. Spillantini, H. Anderhub, Pierre Lecomte, Werner Lustermann, M. Dierckxsens, J. Hirschfelder, Stefano Giagu, A. Malinin, B. Petersen, G. Ambrosi, Raffaello D'Alessandro, R. Leiste, Christoph Paus, F. C. Erné, M. Rescigno, L. Baksay, F. Cotorobai, X. W. Tang, H. K. Park, Mariagrazia Alviggi, P. A. Piroué, Leonardo Merola, P. Wienemann, G. Castellini, M. Chamizo, Alexei Raspereza, M. T. Dova, Georgi Sultanov, Simone Paoletti, E. Fiandrini, Gyorgy Vesztergombi, A. De Salvo, S. X. Wu, T. S. Dai, B. Musicar, Michele Guida, B. Smith, S. Braccini, A. J.M. Muijs, P. Bartalini, T. Angelescu, M. Kopal, Z. F. Gong, G. Forconi, M. Pohl, R. A. Khan, L. Tauscher, Jozsef Toth, A. Seganti, Harvey B Newman, Inkyu Park, J. Casaus, W.G. Ma, Tariq Aziz, M. Della Pietra, T. Sztaricskai, T. Azemoon, L. Malgeri, M. Steuer, K. Freudenreich, Z. A. Liu, A. Vorvolakos, Sw. Banerjee, Manjit Kaur, R. de Asmundis, I. Fisk, Claudio Luci, D. Pandoulas, E. Delmeire, S. S. Gau, D. Kim, U. K. Chaturvedi, M. Vivargent, Marcos Cerrada, An. Zalite, C. G. Yang, M. Chemarin, N. Cavallo, R. Barillère, S. Saremi, J. Pothier, Yu. Zalite, G. M. Chen, W. Kittel, M. A. Rahaman, D. Perret-Gallix, Francesco Conventi, B. P. Roe, S. Cucciarelli, Zhidong Zhang, C. Maña, Y. S. Lu, A. Oulianov, L. Lugnier, Marcella Diemoz, G. Grenier, H. El Mamouni, Roberto Battiston, Yu. Galaktionov, A. Arefiev, Crisostomo Sciacca, J.V. Allaby, Subir Sarkar, Marco Pieri, J. Alcaraz, S. V. Baldew, R. R. McNeil, S. Patricelli, J. A. van Dalen, Gerjan Bobbink, G. Schwering, Maurizio Biasini, D. O. Prokofiev, J. M. Le Goff, J. Yamamoto, B. Borgia, A. Shvorob, S. Reucroft, Jasper Kirkby, M. A. Falagan, M. Gataullin, J. Ulbricht, N. Gheordanescu, Marta Felcini, F. Brochu, D. della Volpe, Aleandro Nisati, B. Tellili, P. G. Rancoita, M. Zöller, Joseph Quartieri, Anna Katharina Kopp, E. Valente, B. N. Jin, Bz Yang, Oleg Fedin, J. A. Rubio, H. Nowak, D. Vicinanza, Max Weber, An.A. Vorobyov, Egidio Longo, S. Vlachos, G. Holzner, K. Riles, Francesco Becattini, D. Hatzifotiadou, Laszlo Boldizsar, M. Fabre, J. Rodin, G. Cara Romeo, J. H. Field, A. Mihul, O. Adriani, G. Alemanni, A. Stone, Mingming Yang, T. Niessen, Imad Baptiste Laktineh, Lucas Taylor, C. Li, I. Clare, F. Marzano, G. Coignet, W. Krenz, Aaron Dominguez, Felicitas Pauss, W. Wallraff, G. Viertel, S. Banerjee, S. C. Yeh, B. Stoyanov, Kajari Mazumdar, S. Schmidt-Kaerst, X. D. Cai, H. J. Yang, Hans J. Vogel, R. Ofierzynski, Samuel C.C. Ting, P. Le Coultre, G. Chiefari, M. Basile, S. Shevchenko, W. T. Lin, F. Behner, R. Ramelli, Ren-Yuan Zhu, D. Mangeol, M. N. Kienzle-Focacci, P. Duinker, K. Sudhakar, S. Likhoded, S. Costantini, Alessandra Doria, D. Luckey, Simonetta Gentile, M. W. Gruenewald, D.W. Schmitz, R. van Gulik, M. Pedace, S. Wynhoff, C. J.W.P. Timmermans, A. Csilling, M. von der Mey, I. Josa-Mutuberria, M. Kräber, P. Extermann, P. de Jong, N. Shivarov, Salvatore Mele, M. Musy, T. Paul, V. K. Gupta, A. Klimentov, M. Lebeau, Christoph Schäfer, H. Hofer, J. B. Ye, Robert Clare, A. Gurtu, L. J. Gutay, D. Kiss, K. L. Tung, R. Berbeco, Thomas Hebbeker, U. Becker, Gianpaolo Carlino, F. DeNotaristefani, Paul Lecoq, R. W. Kraemer, M. Napolitano, J. G. Branson, S. Villa, I. Duran, R. Ranieri, D. Duchesneau, H. S. Chen, A. Hasan, Ya Han Hu, Manas Maity, P. Raics, L. Servoli, G.S. Muanza, Davide Piccolo, H. Vogt, B. De La Cruz, P. Berges, S. N. Ganguli, F. J. Eppling, L. W. Jones, P. Lebrun, M. Pauluzzi, P. H. Fisher, A. Degré, Jeremy Mans, G. Zilizi, J. J. Blaising, H.J. Lee, S. M. Ting, P. Déglon, Speranza Falciano, M. Acciarri, Guo-Ming Chen, A. Bajo, D. Ren, A. M. Cartacci, A. C. König, F. L. Linde, Pàl Hidas, S. Bhattacharya, Xl Wang, G. Ruggiero, A. Chen, D. van Dierendonck, J. Salicio, I. Vetlitsky, A. Krüger, D. Dufournaud, A. Barczyk, C. H. Lin, V. Pojidaev, Adrian Biland, L. Z. Sun, C. Furetta, A. Straessner, Luca Lista, Igor Vorobiev, P. Levtchenko, Z. Szillasi, C. Palomares, Panos A Razis, Sabine Riemann, D. Prokofiev, Luisa Cifarelli, V. Koutsenko, I. Vodopianov, A. Engler, M. Capell, A. Favara, Zheng Wang, H. S. Fesefeldt, E. Pistolesi, A. Balandras, J. Berdugo, L. Bellucci, A. Rosca, E. J. Sanchez, Francesca Cavallari, Pierluigi Paolucci, J. P. Martin, P. Ladron de Guevara, G. Y. Zhu, E. Shumilov, V. Shoutko, Claudia Cecchi, J. K. Kim, C. Dionisi, Giovanni Passaleva, Pablo Garcia-Abia, Alain Hervé, A. Bay, Carlo Civinini, G. Raven, L. Xia, M. Aguilar-Benitez, O. Grimm, Herwig Schopper, H. Postema, A. Buijs, L. Romero, F. Pierella, Federico Cindolo, Riccardo Paramatti, M. Bourquin, A. Kunin, Joachim Mnich, Hafeez R Hoorani, P. Achard, S. C. Tonwar, W. J. Metzger, S. R. Hou, Frank Filthaut, Francesca Nessi-Tedaldi, M. Wadhwa, D. J. Schotanus, J. D. Burger, Thomas Ferguson, T. Siedenburg, G. Rahal-Callot, N. Raja, G. Marian, D. Haas, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Suter, Ia Iashvili, H. Rykaczewski, Giovanni Organtini, Vladimir Andreev, H. Milcent, H. Wilkens, S. Rosier-Lees, Jean Fay, T. Moulik, D. P. Stickland, Y. H. Chang, Peter Denes, Paolo Bagnaia, S. C. Blyth, Marco Meschini, Christopher George Tully, Wolfgang Lohmann, B. Bertucci, F. Anselmo, Nicanor Colino, and A. C. Weber
Subjects: Physics, Quark, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, 7. Clean energy, Standard Model, Nuclear physics, Cross section (physics), Pair production, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract: The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to 202 GeV. Events in all the visible final states are selected, measuring the cross section of this process. The special case of final states containing b quarks is also investigated. All results are in agreement with the Standard Model predictions.
Published: 2001
Full Text: View/download PDF

12. Higgs candidates in e+e− interactions at GeV

Author: E. Valente, S. X. Wu, B. De La Cruz, M. Kopal, A. Favara, Inkyu Park, Zheng Wang, Zhenyu Zhang, M. Steuer, P. Déglon, A. Rosca, Hans J. Vogel, E. Delmeire, U. K. Chaturvedi, Y. S. Lu, M. N. Kienzle-Focacci, Alessandra Doria, M. A. Rahaman, D. Perret-Gallix, L. Romero, C-Q. Li, E. Fiandrini, S. Costantini, A. Shvorob, R. Ranieri, A. Csilling, V. K. Gupta, S. Sarkar, Roberto Battiston, M. Bourquin, L. J. Gutay, U. Becker, H. Anderhub, Gerjan Bobbink, P. Ladron de Guevara, F. DeNotaristefani, A. Lebedev, Dong-Chul Son, P. Achard, J. Allaby, J. J. Blaising, J. Hirschfelder, Stefano Giagu, J. H. Field, B. Borgia, I. Duran, T. Angelescu, Mariagrazia Alviggi, B. Musicar, A. Barczyk, J. Ulbricht, Adrian Biland, I. Vodopianov, A. Engler, M. Capell, B. Stoyanov, H. S. Fesefeldt, E. Pistolesi, Michele Guida, A. Oulianov, C. Palomares, V. Plyaskin, F. J. Eppling, L. W. Jones, J. Casaus, I. Vetlitsky, S. M. Ting, Speranza Falciano, A. Zichichi, S. Schmidt-Kaerst, Samuel C.C. Ting, M. Lebeau, B. Tellili, B. Smith, A. Straessner, Ya Han Hu, M. Wadhwa, H. Milcent, Ren-Yuan Zhu, D. J. Schotanus, N. Batalova, Luca Lista, J. K. Kim, Z. Szillasi, M. Vivargent, H. J. Lee, Marcella Diemoz, D. Piccolo, Manas Maity, S. Braccini, T. Moulik, S. S. Gau, L. Cifarelli, M. Pedace, Alexei Raspereza, M. T. Dova, G. Passaleva, M. W. Gruenewald, I. Clare, Tariq Aziz, I. Josa-Mutuberria, M. Kräber, C. G. Yang, J. Pothier, V. Koutsenko, P. Berges, J. Mnich, R. van Gulik, G. Ambrosi, P. Extermann, Nicola Cavallo, A. Gurtu, Salvatore Mele, P. Lecomte, Yu. Zalite, Christoph Schäfer, B. Z. Yang, D. P. Stickland, Y. H. Chang, R. Berbeco, H. K. Park, J. Tóth, Willis Lin, Sabine Riemann, H. Hofer, K. L. Tung, M. Gataullin, Maurizio Biasini, Marta Felcini, G. Castellini, A. Stone, A. Krüger, Francesca Nessi-Tedaldi, R. de Asmundis, I. Fisk, Peter Raics, A. Arefiev, G. Forconi, J. D. Burger, T. Siedenburg, M. Pohl, R. Leiste, H. F. Chen, Francesco Becattini, A. Hasan, G. Rahal-Callot, N. Raja, Christoph Paus, R. R. McNeil, G. Carlino, Z. F. Gong, Yu. Galaktionov, Kajari Mazumdar, A. Bajo, X. D. Cai, Y. Uchida, P. Wienemann, Georgi Sultanov, R. Barillère, Dong-Hyun Kim, P. Duinker, H. Suter, Ia Iashvili, Egidio Longo, G. Holzner, Crisostomo Sciacca, G. Schwering, S. W. Banerjee, S. Vlachos, Marco Pieri, D. Prokofiev, K. Riles, G. Zilizi, Claudio Luci, D. Pandoulas, H. J. Yang, R. Ofierzynski, J. G. Branson, T. S. Dai, P. Lebrun, A. Klimentov, R. A. Khan, W. Kittel, F. Marzano, G. Coignet, W. Krenz, J. Alcaraz, S. Villa, J. Rodin, S. Likhoded, S. Wynhoff, M. Pauluzzi, Despina Hatzifotiadou, C. Furetta, Jeremy Mans, Valery Schegelsky, H. Rykaczewski, Giovanni Organtini, Pierluigi Paolucci, G. Chiefari, S. Shevchenko, F. Behner, S. N. Ganguli, P. G. Rancoita, B. N. Jin, H. Nowak, A. Degré, Minhong Wang, M. P. Sanders, B. L. Betev, L. Lugnier, C. Rosenbleck, M. Acciarri, Guo-Ming Chen, Z. A. Liu, A. Vorvolakos, F. L. Linde, J.M. LeGoff, H. Wilkens, S. Saremi, A. M. Cartacci, A. C. König, Stefan Roth, An.A. Vorobyov, D. Vicinanza, G. Grenier, S. V. Baldew, D. O. Prokofiev, T. Sztaricskai, S. Patricelli, A. Ewers, T. Niessen, F. C. Erné, G. Marian, D. van Dierendonck, O. Adriani, M. Chemarin, Laszlo Boldizsar, J. Salicio, Imad Baptiste Laktineh, Lucas Taylor, G. M. Chen, Jean Fay, An. Zalite, M. Fabre, M. Rescigno, W. Wallraff, K. Freudenreich, D. Dufournaud, J. Yamamoto, N. Gheordanescu, Z. Z. Xu, S. Banerjee, S. Reucroft, A. Mihul, C. H. Lin, Jasper Kirkby, M. A. Falagan, G. Alemanni, M. Zöller, Aaron Dominguez, Igor Vorobiev, V. Pojidaev, J. A. Rubio, P. Levtchenko, Anna Katharina Kopp, Riccardo Paramatti, Lamberto Luminari, S. R. Hou, B. Zimmermann, Mingming Yang, Felicitas Pauss, G. Cara Romeo, B. P. Roe, A. Kunin, F. Cesaroni, D. Käfer, Panos A Razis, H. El Mamouni, S. C. Yeh, Hafeez R Hoorani, S. Sushkov, Konrad Deiters, F. Brochu, D. della Volpe, G. B. Mohanty, Alberto Aloisio, S. Rosier-Lees, G. Landi, Dimitri Bourilkov, W. J. Metzger, P. Le Coultre, M. Basile, Oleg Fedin, Max Weber, D. Haas, X. W. Tang, Simonetta Gentile, P. A. Piroué, Raffaello D'Alessandro, A. Balandras, G. Viertel, L. Baksay, F. Cotorobai, M. Chamizo, J. Berdugo, P. Spillantini, D. Mangeol, Leonardo Merola, S. Cucciarelli, E. J. Sanchez, L. Tauscher, C. Maña, T. Azemoon, B. Petersen, K. Sudhakar, D. Luckey, T. Paul, Marcos Cerrada, M. von der Mey, A. Buijs, J. B. Ye, D. Kiss, Gyorgy Vesztergombi, X. L. Wang, Luca Malgeri, Peter H. Fisher, F. Cindolo, A. Chen, J. A. van Dalen, Aleandro Nisati, A. De Salvo, Simone Paoletti, Joseph Quartieri, P. Bartalini, A. J.M. Muijs, Manjit Kaur, D. Ren, A. Seganti, Harvey B Newman, M. Musy, Francesca Cavallari, R. Ramelli, D.W. Schmitz, J. P. Martin, P. de Jong, N. Shivarov, Robert Clare, G. Y. Zhu, E. Shumilov, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, V. Shoutko, D. Duchesneau, H. S. Chen, L. Servoli, Claudia Cecchi, G.S. Muanza, Werner Lustermann, Charles Timmermans, M. Dierckxsens, A. Malinin, W. J. Burger, Michael Dittmar, S. Pensotti, Vladimir Andreev, J. D. Swain, Peter Denes, A. Böhm, G. Ruggiero, A. C. Weber, Pàl Hidas, S. Bhattacharya, L. Z. Sun, G. Mirabelli, L. Bellucci, K. Lübelsmeyer, A. Buffini, C. Dionisi, Paolo Bagnaia, S. C. Blyth, Marco Meschini, Pablo Garcia-Abia, Alain Hervé, Christopher George Tully, Wolfgang Lohmann, H. Vogt, B. Bertucci, F. Anselmo, Nicanor Colino, A. Bay, F. Pierella, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, Carlo Civinini, G. Raven, L. Xia, M. Aguilar-Benitez, O. Grimm, Herwig Schopper, and H. Postema
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Missing energy, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, Higgs boson, High Energy Physics::Experiment, 010306 general physics
Abstract: In a search for the Standard Model Higgs boson, carried out on 212.5~$\mathrm{pb^{-1}}$ of data collected by the L3 detector at the highest LEP centre-of-mass energies, including 116.5~$\mathrm{pb^{-1}}$ above $\sqrt{s} = 206$~GeV, an excess of candidates for the process $e^+ e^- \rightarrow Z^{*}\rightarrow HZ$ is found for Higgs masses near 114.5~GeV. We present an analysis of our data and the characteristics of our strongest candidates.
Published: 2000
Full Text: View/download PDF

13. Measurement of Bose–Einstein correlations in e+e−→W+W− at GeV

Author: A. Barczyk, Adrian Biland, M. Vivargent, D. Piccolo, Yu. Galaktionov, Marco Pieri, H. El Mamouni, Pierluigi Paolucci, J. Alcaraz, Tariq Aziz, I. Vodopianov, A. Engler, G. Marian, X. L. Wang, R. Leiste, Christoph Paus, M. Capell, M. Pauluzzi, Giovanni Passaleva, E. Valente, Vladimir Andreev, Peter Denes, A. Mihul, G. Alemanni, Paolo Bagnaia, Oleg Fedin, H. S. Fesefeldt, Y. Uchida, E. Pistolesi, M. N. Kienzle-Focacci, S. S. Gau, F. C. Erné, D. Ren, G. Viertel, W. J. Burger, S. C. Yeh, Max Weber, Crisostomo Sciacca, Egidio Longo, A. Csilling, Pàl Hidas, S. Bhattacharya, G. Landi, G. Ambrosi, K. Freudenreich, Michael Dittmar, V. Plyaskin, Minhong Wang, M. P. Sanders, B. L. Betev, M. Gataullin, Hans J. Vogel, Simone Paoletti, A. Stone, M. Lebeau, Dimitri Bourilkov, Z. A. Liu, A. Vorvolakos, G. Forconi, M. Pohl, L. Z. Sun, S. Costantini, A. M. Cartacci, W. Kittel, H. Anderhub, A. J.M. Muijs, J. D. Swain, Raffaello D'Alessandro, Maurizio Biasini, Marta Felcini, Manjit Kaur, Francesca Cavallari, Alexei Raspereza, M. T. Dova, P. Wienemann, Georgi Sultanov, A. C. König, A. Lebedev, P. Spillantini, Dong-Chul Son, Ren-Yuan Zhu, B. Musicar, B. Petersen, Samuel C.C. Ting, Roberto Battiston, S. Cucciarelli, E. Fiandrini, M. Campanelli, T. S. Dai, Gyorgy Vesztergombi, Gerjan Bobbink, Francesca Nessi-Tedaldi, Jozsef Toth, Michele Guida, R. A. Khan, Claudio Luci, B. Borgia, B. Smith, P. Duinker, Leonardo Merola, S. Saremi, M. Pedace, D. Pandoulas, Luca Malgeri, L. Tauscher, J. J. Blaising, Francesco Becattini, J. Hirschfelder, Stefano Giagu, J. P. Martin, D. Dufournaud, C. Maña, J. D. Burger, T. Siedenburg, M. Fabre, P. G. Rancoita, P. Violini, A. Böhm, J. Ulbricht, A. Klimentov, S. Braccini, T. Azemoon, Mingming Yang, L. Bellucci, A. Krüger, G. Grenier, C. H. Lin, G. Rahal-Callot, N. Raja, V. Pojidaev, A. Gurtu, H. F. Chen, A. De Salvo, Marcos Cerrada, G. Ruggiero, A. C. Weber, R. van Gulik, S. Reucroft, H. J. Lee, Marcella Diemoz, L. Cifarelli, J. G. Branson, S. Villa, H. J. Yang, C. Dionisi, M. W. Gruenewald, Pablo Garcia-Abia, Speranza Falciano, I. Josa-Mutuberria, M. Kräber, P. Bartalini, A. Seganti, G. Y. Zhu, E. Shumilov, P. Extermann, V. Shoutko, Claudia Cecchi, Harvey B Newman, M. Musy, B. Tellili, I. Clare, G. Mirabelli, R. de Asmundis, I. Fisk, H. Suter, Alain Hervé, Salvatore Mele, Christoph Schäfer, B. Z. Yang, H. Hofer, R. Ofierzynski, K. L. Tung, M. Chemarin, G. M. Chen, Aaron Dominguez, R. Barillère, I. Vetlitsky, Felicitas Pauss, Ia Iashvili, Nicola Cavallo, A. Straessner, Luca Lista, A. Hasan, B. N. Jin, H. Nowak, D. Vicinanza, Igor Vorobiev, S. Likhoded, H. K. Park, W. Wallraff, T. Paul, P. Levtchenko, J. M. Le Goff, J. Yamamoto, N. Gheordanescu, K. Lübelsmeyer, An.A. Vorobyov, S. N. Ganguli, S. Wynhoff, C-Q. Li, R. Ramelli, D.W. Schmitz, P. de Jong, N. Shivarov, Robert Clare, A. Bay, S. Rosier-Lees, Panos A Razis, G. Castellini, P. Le Coultre, S. Banerjee, Willis Lin, Sabine Riemann, Z. F. Gong, W. G. Ma, R. Berbeco, V. K. Gupta, J. A. Rubio, Carlo Civinini, H. Milcent, S. W. Banerjee, M. Basile, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, A. Buffini, S. V. Baldew, D. O. Prokofiev, M. Napolitano, G. Chiefari, O. Adriani, B. Zimmermann, P. Lebrun, A. Degré, A. Oulianov, C. Palomares, S. Shevchenko, S. Vlachos, G. Raven, Imad Baptiste Laktineh, Jeremy Mans, Lamberto Luminari, F. DeNotaristefani, Lucas Taylor, M. G. Alviggi, Konrad Deiters, D. Mangeol, Simonetta Gentile, G. B. Mohanty, K. Sudhakar, A. Balandras, L. Xia, D. Duchesneau, H. S. Chen, Jasper Kirkby, M. A. Falagan, J. Berdugo, T. Moulik, L. Servoli, M. Aguilar-Benitez, O. Grimm, D. Luckey, M. Acciarri, M. Zöller, M. von der Mey, F. Behner, Alberto Aloisio, T. Angelescu, Herwig Schopper, J. B. Ye, E. J. Sanchez, Guo-Ming Chen, Anna Katharina Kopp, J. Rodin, T. Niessen, Pierre Lecomte, D. Kiss, J. Casaus, Dong-Hyun Kim, A. Chen, D. van Dierendonck, D. P. Stickland, Y. H. Chang, Peter H. Fisher, J. Salicio, Zichen Xu, G. Zilizi, Werner Lustermann, Charles Timmermans, M. Dierckxsens, Peter Raics, H. Postema, X. W. Tang, S. X. Wu, Ya Han Hu, A. Malinin, P. A. Piroué, M. Chamizo, C. G. Yang, M. Rescigno, J. Pothier, Yu. Zalite, Manas Maity, E. Delmeire, U. K. Chaturvedi, Kajari Mazumdar, X. D. Cai, L. Romero, Y. S. Lu, Aleandro Nisati, S. Sarkar, Joseph Quartieri, A. Shvorob, Inkyu Park, G. Cara Romeo, B. P. Roe, M. Steuer, J. H. Field, M. Bourquin, F. Cesaroni, P. Berges, B. Stoyanov, S. Schmidt-Kaerst, M. A. Rahaman, D. Perret-Gallix, A. Arefiev, R. R. McNeil, G. Carlino, L. Baksay, F. Cotorobai, F. Brochu, D. Prokofiev, G. Holzner, D. della Volpe, K. Riles, F. Marzano, G. Coignet, W. Krenz, L. J. Gutay, J. A. van Dalen, U. Becker, Z. Szillasi, V. Koutsenko, I. Duran, T. Sztaricskai, Alessandra Doria, F. J. Eppling, L. W. Jones, S. M. Ting, An. Zalite, S. R. Hou, J.V. Allaby, S. Patricelli, D. Hatzifotiadou, Laszlo Boldizsar, M. Wadhwa, D. J. Schotanus, S. C. Blyth, Marco Meschini, Christopher George Tully, Wolfgang Lohmann, H. Vogt, B. Bertucci, F. Anselmo, Nicanor Colino, F. Pierella, Federico Cindolo, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, B. De La Cruz, P. Déglon, A. Bajo, G. Schwering, Joachim Mnich, C. Furetta, P. Achard, L. Lugnier, J. K. Kim, A. Buijs, A. Favara, Zheng Wang, Zhenyu Zhang, A. Rosca, M. E. Sarakinos, P. Ladron de Guevara, Riccardo Paramatti, A. Kunin, Hafeez R Hoorani, W. J. Metzger, D. Haas, F. L. Linde, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, H. Wilkens, G. S. Muanza, and Jean Fay
Subjects: Condensed Matter::Quantum Gases, Physics, Nuclear and High Energy Physics, Condensed Matter::Other, 010308 nuclear & particles physics, Electron–positron annihilation, Detector, Bose–Einstein correlations, 01 natural sciences, Nuclear physics, Quantum mechanics, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract: We investigate Bose-Einstein correlations (BEC) in W-pair production at √s ≃ 189 GeV using the L3 detector at LEP. We observe BEC between particles from a single W decay in good agreement with those from a light-quark Z decay sample. We investigate their possible existence between particles coming from different W's. No evidence for such inter-W BEC is found. (C) 2000 Elsevier Science B.V.
Published: 2000
Full Text: View/download PDF

14. Production of single W bosons at GeV and measurement of WWγ gauge couplings

Author: H. Milcent, A. M. Cartacci, Vladimir Andreev, Yu. Galaktionov, D. Ruschmeier, J. Alcaraz, A. C. König, Crisostomo Sciacca, T. Moulik, D. Dufournaud, Roberto Battiston, Gerjan Bobbink, B. Borgia, J. Ulbricht, B. De La Cruz, B. Tellili, I. Clare, E. Valente, L. J. Gutay, U. Becker, A. Mihul, G. Alemanni, Z. Z. Xu, C. H. Lin, T. Angelescu, D. P. Stickland, Y. H. Chang, V. Pojidaev, Peter Denes, Maurizio Biasini, Marta Felcini, G. Viertel, Paolo Bagnaia, S. C. Yeh, I. Duran, J. Casaus, A. Barczyk, Konrad Deiters, G. B. Mohanty, Adrian Biland, F. Pierella, P. Déglon, Francesco Becattini, A. Buijs, Hans J. Vogel, F. J. Eppling, L. W. Jones, Federico Cindolo, A. Bajo, F. Ferroni, Alberto Aloisio, C. G. Yang, L. Romero, J. Pothier, Yu. Zalite, S. Costantini, G. Forconi, Raffaello D'Alessandro, H. Anderhub, M. Pohl, Ph. Lebrun, Speranza Falciano, S. M. Ting, A. Straessner, S. Sarkar, Luca Lista, Jozsef Toth, Marco Pieri, Leonardo Merola, G. Schwering, H. J. Yang, M. Bourquin, B. Musicar, X. W. Tang, S. C. Tonwar, L. Tauscher, I. Vodopianov, A. Engler, M. Lebeau, Frank Filthaut, Claudio Luci, D. Pandoulas, M. Campanelli, Pierluigi Paolucci, P. Duinker, P. A. Piroué, S. Likhoded, Joachim Mnich, Willis Lin, Sabine Riemann, M. Chamizo, S. Wynhoff, T. Azemoon, C. Furetta, J. Allaby, M. Capell, P. Achard, G. Cara Romeo, B. P. Roe, A. Arefiev, Michele Guida, A. Klimentov, P. G. Rancoita, A. Robohm, H. S. Fesefeldt, H. J. Lee, Marcella Diemoz, Thomas Ferguson, Ren-Yuan Zhu, L. Lugnier, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Luciano Barone, E. Pistolesi, G. Marian, G. Grenier, L. Cifarelli, Marcos Cerrada, R. Ramelli, F. C. Erné, B. N. Jin, H. Nowak, B. Smith, Y. Uchida, D. Vicinanza, A. Oulianov, H. Rykaczewski, Giovanni Organtini, T. Sztaricskai, D.W. Schmitz, Francesca Nessi-Tedaldi, R. R. McNeil, Giovanni Passaleva, C. Palomares, S. Reucroft, F. Brochu, D. della Volpe, M. Pedace, H. Wilkens, G. Carlino, P. de Jong, N. Shivarov, J. D. Burger, Minhong Wang, M. P. Sanders, B. L. Betev, K. Freudenreich, S. Braccini, T. Siedenburg, Robert Clare, An. Zalite, J. K. Kim, G. Rahal-Callot, N. Raja, P. Marchesini, W. G. Ma, S. S. Gau, A. Gurtu, C-Q. Li, A. Lebedev, Dong-Chul Son, V. K. Gupta, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. N. Kienzle-Focacci, W. Wallraff, D. Prokofiev, S. Cucciarelli, S. C. Blyth, V. Brigljevic, Marco Meschini, M. Napolitano, C. Maña, J. J. Blaising, J. Hirschfelder, Stefano Giagu, M. Gataullin, Peter H. Fisher, H. Suter, Ia Iashvili, F. DeNotaristefani, W. J. Burger, R. de Asmundis, I. Fisk, A. Csilling, A. Stone, J. G. Branson, S. Banerjee, Ya Han Hu, D. Duchesneau, H. S. Chen, S. Villa, L. Servoli, Pàl Hidas, S. Bhattacharya, A. Hasan, Mariagrazia Alviggi, T. Paul, G. Holzner, Manas Maity, P. Berges, K. Sudhakar, S. Patricelli, S. W. Banerjee, Dong-Hyun Kim, Christopher George Tully, K. Riles, S. N. Ganguli, S. Vlachos, I. Vetlitsky, L. Z. Sun, D. Hatzifotiadou, Laszlo Boldizsar, M. von der Mey, G. Zilizi, A. Favara, A. Degré, J. B. Ye, Zheng Wang, F. Marzano, G. Coignet, R. van Gulik, J. Rodin, T. Niessen, P. Extermann, W. Krenz, H. El Mamouni, Jeremy Mans, F. Di Lodovico, Zhenyu Zhang, L. Bellucci, Samuel C.C. Ting, A. Rosca, Wolfgang Lohmann, H. Vogt, B. Bertucci, M. Acciarri, Guo-Ming Chen, F. L. Linde, M. E. Sarakinos, J.P. Martin, Nicola Cavallo, C. Dionisi, Oleg Fedin, Pablo Garcia-Abia, Alain Hervé, Salvatore Mele, Christoph Schäfer, B. Z. Yang, H. Hofer, A. Chen, D. van Dierendonck, J. Salicio, P. Ladron de Guevara, K. L. Tung, Max Weber, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, A. Bay, Carlo Civinini, G. Raven, R. Berbeco, L. Xia, Peter Raics, H. K. Park, E. Delmeire, U. K. Chaturvedi, M. Aguilar-Benitez, G. Landi, F. Anselmo, Nicanor Colino, Y. S. Lu, O. Grimm, Herwig Schopper, A. Shvorob, Z. Szillasi, S. X. Wu, Simone Paoletti, Inkyu Park, J. H. Field, H. Postema, A. J.M. Muijs, G. Castellini, M. Steuer, B. Stoyanov, V. Koutsenko, Manjit Kaur, Michael Dittmar, S. Schmidt-Kaerst, M. A. Rahaman, D. Perret-Gallix, Egidio Longo, Kajari Mazumdar, Z. F. Gong, X. D. Cai, Aleandro Nisati, W. Kittel, F. Cesaroni, Joseph Quartieri, M. Fabre, Emilio Leonardi, Mingming Yang, D. Sciarrino, L. Baksay, F. Cotorobai, Z. A. Liu, A. Vorvolakos, J. D. Swain, S. Saremi, J. M. Le Goff, J. Yamamoto, N. Gheordanescu, J. A. Rubio, Aaron Dominguez, Felicitas Pauss, A. Böhm, S. Rosier-Lees, P. Le Coultre, M. Basile, G. Ruggiero, Alessandra Doria, A. C. Weber, S. R. Hou, M. Wadhwa, D. J. Schotanus, Kati Lassila-Perini, V. Plyaskin, Alexei Raspereza, M. T. Dova, A. Krüger, D. Mangeol, R. Barillère, M. Rescigno, S. V. Baldew, D. O. Prokofiev, D. Luckey, Jasper Kirkby, M. A. Falagan, M. Zöller, Anna Katharina Kopp, G. Mirabelli, D. Kiss, J. A. van Dalen, G. Ambrosi, P. Molnar, K. Lübelsmeyer, H. F. Chen, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, R. Leiste, Christoph Paus, G. Chiefari, S. Shevchenko, A. Buffini, F. Behner, M. Chemarin, Lamberto Luminari, G. M. Chen, Pierre Lecomte, Werner Lustermann, Charles Timmermans, M. Dierckxsens, A. Malinin, Dimitri Bourilkov, P. Spillantini, B. Petersen, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, P. Violini, A. De Salvo, P. Bartalini, A. Seganti, Harvey B Newman, M. Musy, M. Vivargent, D. Piccolo, An.A. Vorobyov, O. Adriani, G. S. Muanza, Imad Baptiste Laktineh, Lucas Taylor, Jean Fay, Igor Vorobiev, P. Levtchenko, Riccardo Paramatti, Panos A Razis, A. Kunin, Hafeez R Hoorani, Simonetta Gentile, W. J. Metzger, A. Balandras, J. Berdugo, E. J. Sanchez, D. Haas, R. Faccini, X. L. Wang, M. Pauluzzi, D. Ren, Francesca Cavallari, G. Y. Zhu, E. Shumilov, V. Shoutko, Claudia Cecchi, and Tariq Aziz
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Hadron, Lambda, 01 natural sciences, 7. Clean energy, Standard Model, Luminosity, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), 010306 general physics, Energy (signal processing), Lepton, Boson
Abstract: Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em V}{}$ corresponds to an integrated luminosity of $176.4\,\mbox{pb$^{-1}$}$. Events with a single energetic lepton or two acoplanar hadronic jets are selected. Within phase-space cuts, the total cross-section is measured to be $0.53 \pm 0.12 \pm 0.03 \ \rm{pb}$, consistent with the Standard Model expectation. Including our single W boson results obtained at lower $\sqrt{s}$, the WW$\gamma$ gauge couplings $\kappa_\gamma$ and $\lambda_\gamma$ are determined to be \mbox{$\kappa_\gamma = 0.93 \pm 0.16 \pm 0.09$} and \mbox{$\lambda_\gamma = -0.31^{+0.68}_{-0.19} \pm 0.13$}.
Published: 2000
Full Text: View/download PDF

15. Inclusive Σ+ and Σ0 production in hadronic Z decays

Author: M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, L. Baksay, A. Balandras, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, Y. Hu, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, J. Mans, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, B. Tellili, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, G. Zilizi, M. Zöller, Achard, Pablo, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Muheim, Franz, Pohl, Martin, Produit, Nicolas, and Sciarrino, Deborah
Subjects: Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, L3 detector at LEP, Nuclear Theory, Hadron, ddc:500.2, Lambda, 01 natural sciences, Sigma baryon, 0103 physical sciences, Nuclear Experiment, 010306 general physics, Ciencias Exactas, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Física, Sigma, Hadronization, Baryon, production in hadronic Z decays, High Energy Physics::Experiment, Production (computer science), Atomic physics, baryons
Abstract: We report on measurements of the inclusive production rate of Σ+ and Σ0 baryons in hadronic Z decays collected with the L3 detector at LEP. The Σ+ baryons are detected through the decay Σ+→pπ0, while the Σ0 baryons are detected via the decay mode Σ0→Λγ. The average numbers of Σ+ and Σ0 per hadronic Z decay are measured to be: NΣ++NΣ̄+=0.114±0.011stat±0.009syst NΣ0+NΣ̄0=0.095±0.015stat±0.013syst. These rates are found to be higher than the predictions from Monte Carlo hadronization models and analytical parameterizations of strange baryon production., Facultad de Ciencias Exactas
Published: 2000
Full Text: View/download PDF

16. Measurement of hadron and lepton-pair production at GeV at LEP

Author: M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, A. Balandras, R.C. Ball, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, G. Zilizi, and M. Zöller
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Pair production, 010308 nuclear & particles physics, 0103 physical sciences, Hadron, 010306 general physics, 01 natural sciences, Lepton
Published: 2000
Full Text: View/download PDF

17. Hard-photon production and tests of QED at LEP

Author: H. Milcent, T. Moulik, Dimitri Bourilkov, G. Landi, R. Y. Zhu, G. Chiefari, B. Petersen, E. Valente, G. Cara Romeo, A. Lebedev, A. Straessner, Dong-Chul Son, S. Pensotti, Luca Lista, Gyorgy Vesztergombi, Luca Malgeri, J. J. Blaising, J. Hirschfelder, James G Branson, Vladimir Andreev, Stefano Giagu, D. Ruschmeier, J.P. Martin, Willis Lin, A. De Salvo, P. Duinker, A. Klimentov, G. Ambrosi, K. Freudenreich, F. Brochu, D. della Volpe, A. A. Vorobyov, A.M. Cartacci, E. Fiandrini, S. Costantini, Riccardo Paramatti, A. Kunin, Igor Vorobiev, M. von der Mey, Gianpaolo Carlino, P. Bartalini, Mariagrazia Alviggi, S. Riemann, M. Pohl, B. L. Betev, Francesca Nessi-Tedaldi, F. Di Lodovico, M. Campanelli, A. Zichichi, P. Levtchenko, Helmut Vogel, T. Siedenburg, G. Rahal-Callot, Panos A Razis, Y. H. Chang, H. J. Lee, Marcella Diemoz, N. Raja, F. Ferroni, L. Cifarelli, Peter Raics, Oleg Fedin, G. Schwering, Max Weber, P. Marchesini, F. J. Eppling, H. Suter, Ia Iashvili, C. Furetta, D. Kiss, V. Brigljevic, Simone Paoletti, H. Anderhub, M. Fabre, J. B. Ye, Kajari Mazumdar, Y. Uchida, Mingming Yang, A. Gurtu, A. Seganti, Harvey B Newman, M. Musy, A. J.M. Muijs, W. J. Metzger, I. Vetlitsky, L. Lugnier, R. Barillère, P. Wienemann, Georgi Sultanov, Michele Guida, Manjit Kaur, B. Smith, V. Plyaskin, M. Capell, F. Pierella, A. Favara, Federico Cindolo, A. Biland, M. Acciarri, A. Balandras, S. Braccini, S. Sarkar, Raffaello D'Alessandro, Zheng Wang, L. W. Jones, Pàl Hidas, S. Bhattacharya, M. Napolitano, Z. P. Zhang, A. Rosca, C. Sciacca, F. DeNotaristefani, U. Becker, Hafeez R Hoorani, M. E. Sarakinos, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, Minhong Wang, M. P. Sanders, S. Gentile, M. Vivargent, A. Barczyk, E. J. Sanchez, Guo-Ming Chen, B. P. Roe, Alessandra Doria, M. Bourquin, R. van Gulik, D. Schmitz, A. Button, Dong-Hyun Kim, Manas Maity, L. Z. Sun, Pierluigi Paolucci, Z. Szillasi, P. G. Rancoita, D. van Dierendonck, J. Salicio, G. Forconi, P. Ladron de Guevara, G. Zilizi, M. Chemarin, P. Extermann, W. Kittel, Salvatore Mele, P. Lecomte, G. J. Grenier, I. Fisk, N. Cavallo, Frank Filthaut, R. de Asmundis, G. M. Chen, Z. A. Liu, A. Vorvolakos, Thomas Ferguson, R. Ramelli, Joachim Mnich, P. Berges, P. Bagnaia, G. Pascale, V. K. Gupta, M. Rescigno, P. Achard, T. Angelescu, M. N. Kienzle-Focacci, Christoph Schäfer, B. Z. Yang, K. Sudhakar, G. Marian, P. de Jong, N. Shivarov, Claudio Luci, Robert Clare, S. S. Gau, J. A. Rubio, Giovanni Passaleva, M. Gataullin, L. Tauscher, T. Azemoon, X. W. Tang, D. Dufournaud, A. Csilling, A. Stone, D. O. Prokofiev, A. Robohm, Suresh C Tonwar, Jasper Kirkby, M. A. Falagan, X. D. Cai, I. H. Park, H. Nowak, D. J. Schotanus, R. Faccini, B. De La Cruz, S. Saremi, Thomas Hebbeker, Paul Lecoq, D. Vicinanza, Y. S. Lu, A. Shvorob, I. Vodopianov, A. Engler, A. Chen, H. El Mamouni, J. Casaus, Marco Meschini, C. H. Lin, V. Pojidaev, David Stickland, J. M. Le Goff, M. Zöller, L. Bellucci, N. Gheordanescu, M. Lebeau, P. Déglon, D. Duchesneau, H. S. Chen, F. C. Erné, D. Haas, L. Servoli, Aleandro Nisati, E. Longo, Anna Katharina Kopp, V. Koutsenko, Marcos Cerrada, Maurizio Biasini, Marta Felcini, J. D. Burger, Francesco Becattini, D. Ren, A. Weber, H. S. Fesefeldt, E. Pistolesi, S. R. Hou, M. Wadhwa, F. Cesaroni, Joseph Quartieri, F. L. Linde, Valery Schegelsky, Axel König, Kati Lassila-Perini, C. Li, J. Pothier, B. Stoyanov, Yu. Zalite, C. Maña, S. Schmidt-Kaerst, R. W. Kraemer, Y. D. Oh, U. K. Chaturvedi, S. Reucroft, S. Banerjee, S. Villa, Christopher George Tully, Davide Piccolo, P. Denes, Emilio Leonardi, H. Rykaczewski, Giovanni Organtini, P. Spillantini, H. Wilkens, H. J. Yang, Luciano Barone, A. P. Colijn, Yu. Galaktionov, Wolfgang Lohmann, H. Vogt, B. Bertucci, S. C. Kim, A. Degré, S. Cucciarelli, S. Falciano, P. H. Fisher, J. Allaby, D. Sciarrino, Francesca Cavallari, J. Tóth, R. A. Khan, Alexei Raspereza, S. C. Blyth, G. S. Muanza, Konrad Deiters, M. Pedace, T. van Rhee, Aaron Dominguez, S. Likhoded, F. Anselmo, Nicanor Colino, P. Molnar, Felicitas Pauss, G. B. Mohanty, J. Alcaraz, L. Baksay, F. Cotorobai, Jean Fay, S. N. Ganguli, Alberto Aloisio, F. Muheim, K. Riles, A. Krüger, P. Lebrun, S. Wynhoff, H. K. Park, S. Rosier-Lees, Pablo Garcia-Abia, P. Le Coultre, G. Y. Zhu, M. Basile, E. Shumilov, Nicolas Produit, Alain Hervé, A. Oulianov, S. X. Wu, C. Palomares, C. G. Yang, A. Bay, J. H. Field, G. Castellini, J. Berdugo, D. H. Kim, V. Shoutko, T. Paul, Carlo Civinini, Luciano Romero, Z. F. Gong, G. Raven, A. Hasan, Z. Z. Xu, G. Mirabelli, Claudia Cecchi, S. Shevchenko, S. W. Banerjee, L. Xia, G. G.G. Massaro, D. Mangeol, W.G. Ma, M. Aguilar-Benitez, O. Grimm, A. Buijs, S. Vlachos, F. Behner, D. Luckey, Herwig Schopper, H. Postema, P. A. Piroué, G. Viertel, M. Steuer, H. Hofer, T. Sztaricskai, L. J. Gutay, L. Merola, J. Rodin, T. Niessen, M. Chamizo, A. Mihul, G. Alemanni, Tariq Aziz, An. Zalite, K. L. Tung, W. Wallraff, M. A. Rahaman, D. Perret-Gallix, J. A. van Dalen, S. C. Yeh, A. Arefiev, R. R. McNeil, F. Marzano, Marco Pieri, G. Holzner, W. Krenz, Samuel C.C. Ting, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, B. Cozzoni, Roberto Battiston, B. Borgia, M. T. Dova, B. N. Jin, J. Ulbricht, I. Clare, R. Leiste, Christoph Paus, B. Monteleoni, Howard A. Stone, T.S. Dai, D. Prokofiev, M. Pauluzzi, I. Duran, D. Hatzifotiadou, Laszlo Boldizsar, L. Fredj, S. Patricelli, S. M. Ting, R. C. Ball, Werner Lustermann, Charles Timmermans, A. Malinin, G. J. Bobbink, H.F. Chen, L. Luminari, K. Lübelsmeyer, A. Buffini, D. Pandoulas, W. J. Burger, C. Dionisi, Michael Dittmar, J. D. Swain, A. Böhm, G. Coignet, J. K. Kim, L3 (IHEF, IoP, FNWI), Flores, Sylvie, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Balandras, A., Ball, R. C., Banerjee, S., Barczyk, A., Barillere, R., Barone, L., Bartalini, P., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bohm, A., Boldizsar, L., Borgia, B., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., V, B., Brochu, F., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Button, A., Cai, X. D., Campanelli, M., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiefari, Giovanni, Cifarelli, L., Cindolo, F., Civinini, C., I, C., Clare, R., Coignet, G., Colijn, A. P., Colino, N., Costantini, S., Cotorobai, F., Cozzoni, B., B. d., La, Csilling, A., Cucciarelli, S., Dai, T. S., Van, J. A., D'Alessandro, R., Asmundis, R. d., Deglon, P., Degre, A., Deiters, K., DELLA VOLPE, Domenico, Denes, P., Denotaristefani, F., Salvo, A. D., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Dufournaud, D., Duinker, P., I, D., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabre, M., Faccini, R., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., I, F., Forconi, G., Fredj, L., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gau, S. S., Gentile, S., Gheordanescu, N., Giagu, S., Gong, Z. F., Grenier, G., Grimm, O., Gruenewald, M. W., Guida, M., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hidas, P., Hirschfelder, J., Hofer, H., Holzner, G., Hoorani, H., Sr, H., I, I., Jin, B. N., Jones, L. W., Jong, P. d., I, J., Khan, R. A., Kaur, M., Kienzle Focacci, M. N., Kim, D., Kim, D. H., Kim, J. K., Kim, S. C., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., V, K., Kraber, M., Kraemer, R. W., Krenz, W., Kruger, A., Kunin, A., P. L., De, I, L., Landi, G., Lassila Perini, K., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., Lee, H. J., J. M., Le, Leiste, R., Leonardi, E., Levtchenko, P., Li, C., Likhoded, S., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Lugnier, L., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Marchesini, P., Marian, G., Martin, J. P., Marzano, F., G. G. G., Mazumdar, K., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mihul, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Molnar, P., Monteleoni, B., Moulik, T., Muanza, G. S., Muheim, F., A. J. M., Musy, M., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Niessen, T., Nisati, A., Nowak, H., Y. D., Oh, Organtini, G., Oulianov, A., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Paramatti, R., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pedace, M., Pensotti, S., Perret Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pieri, M., Piroue, P. A., Pistolesi, E., V, P., Pohl, M., Postema, H., Pothier, J., Produit, N., Prokofiev, D. O., Prokofiev, D., Quartieri, J., Rahal Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Raspereza, A., Raven, G., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Rhee, T. v., Riemann, S., Riles, K., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosca, A., Rosier Lees, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Schafer, C., V, S., Schmidt Kaerst, S., Schmitz, D., Schopper, H., Schotanus, D. J., Schwering, G., Sciacca, Crisostomo, Sciarrino, D., Seganti, A., Servoli, L., Shevchenko, S., Shivarov, N., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., Stone, H., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Suter, H., Swain, J. D., Szillasi, Z., Sztaricskai, T., Tang, X. W., Tauscher, L., Taylor, L., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Valente, E., Vesztergombi, G., I, V., Vicinanza, D., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vogel, H., Vogt, H., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, M., Wang, X. L., Wang, Z. M., Weber, A., Weber, M., Wienemann, P., Wilkens, H., S. X., Wu, Wynhoff, S., Xia, L., Z. Z., Xu, Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., J. B., Ye, Yeh, S. C., Zalite, A., Zalite, Y., Zhang, Z. P., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Zilizi, G., Zoller, M., Achard, Pablo, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Muheim, Franz, Pohl, Martin, Produit, Nicolas, and Sciarrino, Deborah
Subjects: Nuclear and High Energy Physics, Particle physics, Photon, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], ENERGIES, FOS: Physical sciences, ddc:500.2, 01 natural sciences, 7. Clean energy, High Energy Physics - Experiment, Standard Model, High Energy Physics - Experiment (hep-ex), MONTE-CARLO, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, DETECTOR, L3 EXPERIMENT, Physics, GAMMA-GAMMA%28GAMMA%29%22">E(+)E(-)->GAMMA-GAMMA(GAMMA), 010308 nuclear & particles physics, COUPLINGS, Excited state, Production (computer science), Atomic physics, Particle Physics - Experiment
Abstract: The total and differential cross sections of the process $\epem \ra n \gamma$ with $n \geq 2$ are measuredusing data collected by the L3 experiment at centre--of--mass energies of $\sqrt{s}=183$ and $189$\GeV{}. The results are in agreement with the Standard Model expectations. Limits are set on deviationsfrom QED, contact interaction cut-off parameters and masses of excited electrons. The total and differential cross sections of the process e + e − → nγ with n ≥2 are measured using data collected by the L3 experiment at centre-of-mass energies of s =183 and 189 GeV . The results are in agreement with the Standard Model expectations. Limits are set on deviations from QED, contact interaction cut-off parameters and masses of excited electrons. The total and differential cross sections of the process e+e- -> n gamma with n >= 2 are measured using data collected by the L3 experiment at centre-of-mass energies of \sqrt{s}=183 and 189 GeV. The results are in agreement with the Standard Model expectations. Limits are set on deviations from QED, contact interaction cut-off parameters and masses of excited electrons.
Published: 2000
Full Text: View/download PDF

18. Search for excited leptons at GeV

Author: G. Forconi, Egidio Longo, M. Vivargent, D. Piccolo, Jozsef Toth, Claudio Luci, Kati Lassila-Perini, D. Pandoulas, V. Plyaskin, Ren-Yuan Zhu, Luciano Barone, L. J. Gutay, U. Becker, A. Arefiev, T. Paul, G. Grenier, I. Duran, Roberto Battiston, Gerjan Bobbink, B. Borgia, J. Ulbricht, R. R. McNeil, G. Carlino, I. Clare, S. Reucroft, F. J. Eppling, L. W. Jones, S. M. Ting, H. Anderhub, G. Schwering, C-Q. Li, P. Molnar, V. K. Gupta, H. F. Chen, G. Holzner, K. Riles, S. Vlachos, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, Daijin Kim, M. Pedace, T. van Rhee, Michele Guida, B. Smith, D. Kamrad, G. Chiefari, S. Shevchenko, F. Behner, M. T. Dova, F. Muheim, A. Oulianov, F. Marzano, G. Coignet, W. Krenz, C. Furetta, F. DeNotaristefani, C. Palomares, J. Rodin, T. Niessen, Dimitri Bourilkov, X. W. Tang, P. A. Piroué, L. Lugnier, Samuel C.C. Ting, P. Spillantini, M. Chamizo, Tariq Aziz, B. Petersen, A. Gurtu, S. Braccini, Alessandra Doria, A. Favara, Manas Maity, H. Milcent, A. M. Cartacci, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, P. Marchesini, J.V. Allaby, S. Patricelli, Zheng Wang, Zhenyu Zhang, P. Berges, R. van Gulik, A. Hasan, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, A. Lebedev, Dong-Chul Son, P. Extermann, Salvatore Mele, R. Leiste, Christoph Paus, T. Moulik, D. Kiss, V. Brigljevic, B. Monteleoni, A. De Salvo, K. Sudhakar, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, R. de Asmundis, I. Fisk, B. De La Cruz, Howard A. Stone, J. J. Blaising, J. Hirschfelder, Stefano Giagu, Marco Pieri, J. G. Branson, P. Bartalini, D. Dufournaud, M. von der Mey, D. Hatzifotiadou, Laszlo Boldizsar, A. Rosca, X. Chereau, Maurizio Biasini, M. E. Sarakinos, Raffaello D'Alessandro, S. R. Hou, M. Wadhwa, R. Barillère, B. Cozzoni, F. C. Erné, Marta Felcini, Pierluigi Paolucci, D. P. Stickland, F. Ziegler, Y. H. Chang, S. Villa, A. Lavorato, J. B. Ye, I. H. Park, Crisostomo Sciacca, A. Seganti, Harvey B Newman, M. Musy, L. Fredj, D. J. Schotanus, Francesco Becattini, T. Angelescu, Z. Z. Xu, C. H. Lin, P. Déglon, G. Marian, Francesca Nessi-Tedaldi, S. N. Ganguli, Leonardo Merola, Alexei Klimentov, S. X. Wu, V. Pojidaev, J. Casaus, Y. D. Oh, P. Ladron de Guevara, Dong-Hyun Kim, M. N. Kienzle-Focacci, H. J. Yang, J. D. Burger, I. Vetlitsky, U. K. Chaturvedi, Giovanni Passaleva, A. Degré, T. Siedenburg, G. Rahal-Callot, L. Tauscher, G. Zilizi, Y. S. Lu, P. G. Rancoita, M. Rescigno, T. Azemoon, E. Valente, N. Raja, A. Csilling, A. Barczyk, A. Shvorob, Adrian Biland, M. Lebeau, B. N. Jin, K. Freudenreich, S. Wynhoff, D. O. Prokofiev, M. Steuer, C. G. Yang, Y. Uchida, J. Pothier, Yu. Zalite, Alexander Malinin, H. Nowak, D. Vicinanza, P. Duinker, H. Suter, Marcos Cerrada, J. H. Field, Ia Iashvili, M. A. Rahaman, H. El Mamouni, F. Di Lodovico, L. Romero, D. Perret-Gallix, Axel König, G. Viertel, Jasper Kirkby, M. A. Falagan, T. Sztaricskai, Minhong Wang, M. P. Sanders, B. L. Betev, B. Stoyanov, S. Schmidt-Kaerst, W. Kittel, D. Prokofiev, Luisa Cifarelli, W. Wallraff, S. Sarkar, G. Cara Romeo, B. P. Roe, Yu. Galaktionov, Hans J. Vogel, J. A. van Dalen, M. Zöller, Anna Katharina Kopp, M. Bourquin, W. T. Lin, I. Vodopianov, A. Engler, M. Capell, S. Banerjee, C. Cecchi, Joachim Mnich, J. Alcaraz, S. Costantini, An. Zalite, P. Achard, P. Lebrun, H. S. Fesefeldt, E. Pistolesi, Oleg Fedin, S. Cucciarelli, A. Robohm, F. Brochu, M. Campanelli, M. Acciarri, Guo-Ming Chen, D. della Volpe, Max Weber, S. S. Gau, C. Maña, Speranza Falciano, H. J. Lee, A. Chen, D. van Dierendonck, An.A. Vorobyov, A. Straessner, M. Pohl, M. Fabre, A. Mihul, G. Alemanni, Mingming Yang, J. Salicio, Marcella Diemoz, M. Gataullin, Luca Lista, O. Adriani, Imad Baptiste Laktineh, S. C. Yeh, Lucas Taylor, A. Stone, M. G. Alviggi, Sabine Riemann, H. K. Park, G. Castellini, F. Ferroni, Z. F. Gong, Z. Szillasi, V. Koutsenko, F. Cesaroni, Emilio Leonardi, D. Sciarrino, L. Baksay, F. Cotorobai, Z. A. Liu, A. Vorvolakos, S. Saremi, J. M. Le Goff, N. Gheordanescu, W. J. Burger, J. A. Rubio, Michael Dittmar, Peter Raics, Kajari Mazumdar, X. D. Cai, J. D. Swain, D. Peach, A. Böhm, Lamberto Luminari, R. C. Ball, Pierre Lecomte, Werner Lustermann, Charles Timmermans, A. C. Weber, J. Busenitz, G. Mirabelli, K. Lübelsmeyer, A. Buffini, R. Ramelli, D.W. Schmitz, G. Pascale, P. de Jong, N. Shivarov, Robert Clare, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, Peter H. Fisher, D. Duchesneau, H. S. Chen, L. Servoli, Aleandro Nisati, G. Landi, Joseph Quartieri, Simone Paoletti, Aaron Dominguez, Felicitas Pauss, A. J.M. Muijs, S. Rosier-Lees, Sw. Banerjee, P. Le Coultre, M. Basile, Manjit Kaur, D. Mangeol, J. K. Kim, D. Luckey, P. Laurikainen, G. Ambrosi, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, V. P. Andreev, M. Chemarin, N. Cavallo, G. M. Chen, Pàl Hidas, S. Bhattacharya, L. Z. Sun, L. Bellucci, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, A. Bay, Carlo Civinini, G. Raven, L. Xia, M. Aguilar-Benitez, O. Grimm, Herwig Schopper, H. Postema, R. Ostonen, R. Faccini, X. L. Wang, G. G.G. Massaro, M. Pauluzzi, D. Ren, A. P. Colijn, A. Buijs, Francesca Cavallari, J. P. Martin, G. Y. Zhu, E. Shumilov, V. Shoutko, Igor Vorobiev, P. Levtchenko, Panos A Razis, S. Pensotti, Valery Schegelsky, Simonetta Gentile, A. Balandras, J. Berdugo, E. J. Sanchez, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, H. Wilkens, G. S. Muanza, Jean Fay, Nicolas Produit, Riccardo Paramatti, A. Kunin, Hafeez R Hoorani, W. J. Metzger, D. Haas, F. L. Linde, D. Ruschmeier, Peter Denes, Paolo Bagnaia, F. Pierella, Federico Cindolo, A. Button, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, S. C. Blyth, Marco Meschini, Christopher George Tully, Wolfgang Lohmann, H. Vogt, B. Bertucci, S. C. Kim, F. Anselmo, and Nicanor Colino
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, 01 natural sciences, 7. Clean energy, Luminosity, Nuclear physics, Excited state, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: A search for excited leptons, e ∗ , μ ∗ , τ ∗ , ν e ∗ , ν μ ∗ and ν τ ∗ , was performed with the L3 detector at LEP using data collected at a centre-of-mass energy of 189 GeV, corresponding to an integrated luminosity of 176 pb −1 . No evidence of their production is observed. From the searches for pair produced excited leptons, lower mass limits are set close to the kinematic limit. From the searches for singly produced excited leptons, upper limits on their couplings are derived in the mass range up to 189 GeV.
Published: 2000
Full Text: View/download PDF

19. Single and multi-photon events with missing energy in e+e−collisions at = 189 GeV

Author: Alessandra Doria, S. R. Hou, M. Wadhwa, D. J. Schotanus, D. Kamrad, G. Chiefari, S. Shevchenko, R. Barillère, C-Q. Li, V. K. Gupta, A. Arefiev, F. Behner, Dimitri Bourilkov, Francesca Nessi-Tedaldi, R. R. McNeil, M. Rescigno, Igor Vorobiev, P. Levtchenko, A. C. Weber, G. Carlino, P. Spillantini, J. D. Burger, R. Leiste, Christoph Paus, Tariq Aziz, G. Forconi, Panos A Razis, H. Anderhub, J. A. van Dalen, B. Petersen, Speranza Falciano, F. DeNotaristefani, E. Fiandrini, T. Siedenburg, G. Rahal-Callot, G. Holzner, H. K. Park, Gyorgy Vesztergombi, A. Straessner, G. Mirabelli, Z. Szillasi, R. van Gulik, K. Riles, D. O. Prokofiev, M. Campanelli, N. Raja, P. Duinker, I. Korolko, R. Ostonen, Jozsef Toth, Claudio Luci, D. Pandoulas, Luca Lista, C. J.W.P. Timmermans, P. Extermann, Raffaello D'Alessandro, V. Koutsenko, G. Castellini, K. Lübelsmeyer, Salvatore Mele, Christoph Schäfer, B. Z. Yang, F. Marzano, G. Coignet, Michele Guida, B. Smith, A. Favara, B. Monteleoni, A. Lebedev, A. Klimentov, Dong-Chul Son, H. Hofer, K. L. Tung, W. Krenz, Z. F. Gong, A. De Salvo, C. Palomares, Simonetta Gentile, A. Balandras, Leonardo Merola, Jasper Kirkby, M. A. Falagan, Manas Maity, H. Suter, Ia Iashvili, J. Hirschfelder, H. J. Lee, Stefano Giagu, S. Braccini, Samuel C.C. Ting, P. Bartalini, A. Rosca, Sabine Riemann, R. Ramelli, Crisostomo Sciacca, A. Buffini, P. Berges, J. Berdugo, X. Chereau, Marco Meschini, M. Zöller, Anna Katharina Kopp, M. E. Sarakinos, E. J. Sanchez, L. Tauscher, L. Cifarelli, L. Romero, A. Seganti, Lamberto Luminari, Harvey B Newman, M. Musy, S. Sarkar, C. Dionisi, B. De La Cruz, Egidio Longo, P. Lebrun, Vladimir Andreev, D. Ruschmeier, L. Malgeri, P. G. Rancoita, T. Azemoon, P. Ladron de Guevara, D.W. Schmitz, G. Pascale, P. de Jong, N. Shivarov, M. Bourquin, Howard A. Stone, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, E. Valente, Kati Lassila-Perini, V. Plyaskin, A. M. Cartacci, A. C. König, R. C. Ball, Pierre Lecomte, M. N. Kienzle-Focacci, Robert Clare, M. Acciarri, Pablo Garcia-Abia, Alain Hervé, Joachim Mnich, P. Achard, A. Bay, R. de Asmundis, I. Fisk, B. Cozzoni, R. Faccini, Marcella Diemoz, B. N. Jin, J. J. Blaising, T. Sztaricskai, Guo-Ming Chen, Marco Pieri, Pierluigi Paolucci, F. L. Linde, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, Marcos Cerrada, I. Vetlitsky, M. Napolitano, P. Déglon, Roberto Battiston, A. Robohm, M. T. Dova, G. Grenier, G. Viertel, A. Barczyk, G. Cara Romeo, B. P. Roe, C. Cecchi, A. Csilling, H. Nowak, D. Vicinanza, Davide Piccolo, Werner Lustermann, M. Vivargent, A. Malinin, Carlo Civinini, X. L. Wang, A. Chen, D. van Dierendonck, G. G.G. Massaro, M. Pauluzzi, J. Salicio, Gerjan Bobbink, G. Raven, An. Zalite, Hans J. Vogel, S. X. Wu, Adrian Biland, Daijin Kim, L. Xia, S. Reucroft, D. Duchesneau, H. S. Chen, H. Milcent, M. Aguilar-Benitez, B. Borgia, Maurizio Biasini, W. T. Lin, J. Ulbricht, F. Brochu, S. Costantini, W. J. Burger, Marta Felcini, G. Marian, O. Grimm, Ren-Yuan Zhu, Luciano Barone, Yu. Galaktionov, Herwig Schopper, L. Servoli, Michael Dittmar, J. Alcaraz, C. Furetta, D. Dufournaud, J. Busenitz, D. della Volpe, Francesco Becattini, F. Muheim, Peter Denes, H. Postema, M. Pohl, T. Moulik, L. Lugnier, P. Marchesini, D. Kiss, Y. D. Oh, S. S. Gau, V. Brigljevic, M. Steuer, M. Pedace, T. van Rhee, W. Wallraff, Giovanni Passaleva, D. Ren, A. Lavorato, Francesca Cavallari, I. H. Park, Pàl Hidas, S. Bhattacharya, Z. Z. Xu, H. J. Yang, C. H. Lin, Paolo Bagnaia, M. Gataullin, T. Paul, W. Kittel, D. P. Stickland, F. Ziegler, Y. H. Chang, A. Buijs, I. Vodopianov, A. Engler, J. D. Swain, H. F. Chen, M. A. Rahaman, A. Gurtu, M. Capell, V. Pojidaev, H. El Mamouni, F. Di Lodovico, A. Mihul, G. Alemanni, J. G. Branson, S. Villa, L. Z. Sun, D. Peach, D. Perret-Gallix, S. Wynhoff, A. P. Colijn, A. Stone, S. Banerjee, F. Pierella, Federico Cindolo, H. S. Fesefeldt, E. Pistolesi, Dong-Hyun Kim, S. C. Yeh, S. N. Ganguli, G. Zilizi, A. Degré, J. P. Martin, Y. Uchida, I. Clare, Konrad Deiters, L. Bellucci, G. Y. Zhu, Z. M. Wang, E. Shumilov, A. Hasan, K. Sudhakar, A. Böhm, Minhong Wang, M. P. Sanders, G. B. Mohanty, Alberto Aloisio, B. L. Betev, V. Shoutko, A. Button, S. Pensotti, Valery Schegelsky, Antonino Zichichi, M. von der Mey, J. B. Ye, H. Rykaczewski, X. W. Tang, S. C. Tonwar, M. Fabre, Oleg Fedin, L. Lebeau, Giovanni Organtini, P. A. Piroué, Max Weber, U. K. Chaturvedi, Y. S. Lu, M. Chamizo, Mingming Yang, A. Shvorob, Frank Filthaut, H. Wilkens, S. Rosier-Lees, J. H. Field, Thomas Ferguson, B. Stoyanov, S. Schmidt-Kaerst, G. S. Muanza, G. Landi, Simone Paoletti, Jean Fay, A. J.M. Muijs, Manjit Kaur, P. Laurikainen, S. C. Blyth, Nicolas Produit, Riccardo Paramatti, A. Kunin, Hafeez R Hoorani, Christopher George Tully, G. Ambrosi, Wolfgang Lohmann, B. Bertucci, S. C. Kim, W. J. Metzger, F. Anselmo, Nicanor Colino, T. Angelescu, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, J. Casaus, D. Haas, C. G. Yang, J. Pothier, Yu. Zalite, G. Schwering, An.A. Vorobyov, M. Chemarin, N. Cavallo, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, M. G. Alviggi, G. M. Chen, Aleandro Nisati, Joseph Quartieri, Aaron Dominguez, F. C. Erné, Felicitas Pauss, K. Freudenreich, W. G. Ma, P. Le Coultre, M. Basile, D. Mangeol, J. K. Kim, D. Luckey, S. Cucciarelli, C. Maña, S. W. Banerjee, S. Vlachos, J. Rodin, T. Niessen, F. Ferroni, Z. P. Zhang, Peter Raics, J.V. Allaby, Kajari Mazumdar, X. D. Cai, S. Patricelli, D. Hatzifotiadou, Laszlo Boldizsar, L. Fredj, F. Cesaroni, Emilio Leonardi, D. Sciarrino, L. Baksay, F. Cotorobai, D. Prokofiev, Z. A. Liu, A. Vorvolakos, L. J. Gutay, U. Becker, S. Saremi, I. Duran, H. Vogt, F. J. Eppling, L. W. Jones, P. H. Fisher, S. M. Ting, J. M. Le Goff, N. Gheordanescu, J. A. Rubio, and P. Molnar
Subjects: Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, FOS: Physical sciences, Fotones, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, 010306 general physics, Ciencias Exactas, Physics, Missing energy, Luminosity (scattering theory), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Física, large electron positron collider, Supersymmetry, Extra dimensions, Neutralino, High Energy Physics::Experiment, Gravitino, supersymmetry, Neutrino, Particle Physics - Experiment
Abstract: Single and multi-photon events with missing energy are analysed using data collected with the L3 detector at LEP at a centre-of-mass energy of 189 GeV, for a total of 176 pb-1 of integrated luminosity. The cross section of the process e+e- → νν̄γ(γ) is measured and the number of light neutrino flavours is determined to be Nv = 3.011±0.077 including lower energy data. Upper limits on cross sections of supersymmetric processes are set and interpretations in supersymmetric models provide improved limits on the masses of the lightest neutralino and the gravitino. Graviton-photon production in low scale gravity models with extra dimensions is searched for and limits on the energy scale of the model are set exceeding 1 TeV for two extra dimensions., Facultad de Ciencias Exactas
Published: 1999
Full Text: View/download PDF

20. Search for scalar leptons in e+e− collisions at

Author: M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, A. Balandras, R.C. Ball, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, D. Kamrad, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, P. Laurikainen, A. Lavorato, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, R. Ostonen, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, F. Ziegler, G. Zilizi, and M. Zöller
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Scalar (mathematics), Gaugino, Electron, Parameter space, 01 natural sciences, 0103 physical sciences, Bibliography, High Energy Physics::Experiment, 010306 general physics, Minimal Supersymmetric Standard Model, Lepton
Abstract: We report the result of a search for scalar leptons in $\rm e^+e^-$, collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176 pb$^{-1}$. Improved upper limits are set on the production cross sections for these new particles. New exclusion contours in the parameter space of the Minimal Supersymmetric Standard Model are derived, as well as new lower limits on the masses of these supersymmetric particles. Under the assumptions of common gaugino and scalar masses at the GUT scale, we set an absolute lower limit on the mass of the lightest scalar electron of 65.5 GeV.
Published: 1999
Full Text: View/download PDF

21. Searches for scalar quarks in e+e− interactions at GeV

Author: M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, A. Balandras, R.C. Ball, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, D. Kamrad, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, P. Laurikainen, A. Lavorato, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, R. Ostonen, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, F. Ziegler, G. Zilizi, and M. Zöller
Subjects: Physics, Quark, Nuclear and High Energy Physics, Particle physics, Gluino, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, 0103 physical sciences, Scalar (physics), High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, Minimal Supersymmetric Standard Model
Abstract: Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No signals are observed. Model-independent limits on the scalar top production cross sections are determined for the decay modes $\rm \tilde{t}_1 \rightarrow c \tilde{\chi}_1^0$ and $\rm \tilde{t}_1 \rightarrow b \ell \tilde{\nu}$. For scalar quarks of the other flavours $\tilde{\mathrm{q}} \to \mathrm{q} \tilde{\chi}_1^0$ decays are considered. Within the framework of the Minimal Supersymmetric Standard Model mass limits are set at 95\% C.L. for these particles. Indirect limits on the gluino mass are also derived.
Published: 1999
Full Text: View/download PDF

22. Study of Z boson pair production in e+e− collisions at LEP at GeV

Author: Zhenyu Zhang, Raffaello D'Alessandro, N. Gheordanescu, T. Angelescu, Dimitri Bourilkov, A. Barczyk, A. Rosca, X. Chereau, G. Ambrosi, M. E. Sarakinos, R. Barillère, Adrian Biland, Konrad Deiters, Leonardo Merola, J. Casaus, P. Spillantini, B. Petersen, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, P. Ladron de Guevara, G. B. Mohanty, P. Laurikainen, Alberto Aloisio, L. Tauscher, Peter H. Fisher, Aleandro Nisati, E. Fiandrini, Joseph Quartieri, M. Chemarin, N. Cavallo, Gyorgy Vesztergombi, Luca Malgeri, T. Azemoon, R. Leiste, Christoph Paus, P. Lebrun, Pàl Hidas, S. Bhattacharya, C. G. Yang, K. Sudhakar, J. Pothier, Yu. Zalite, A. De Salvo, G. M. Chen, M. von der Mey, B. Monteleoni, D. O. Prokofiev, Jeremy Mans, L. Z. Sun, J. B. Ye, I. Vodopianov, A. Engler, Marcos Cerrada, M. Capell, F. Cesaroni, Jasper Kirkby, M. A. Falagan, Alessandra Doria, Aaron Dominguez, Felicitas Pauss, M. Zöller, Anna Katharina Kopp, P. Bartalini, X. W. Tang, P. A. Piroué, H. Milcent, T. Moulik, H. S. Fesefeldt, E. Pistolesi, M. Chamizo, M. Campanelli, S. Rosier-Lees, P. Le Coultre, M. Basile, R. Ramelli, D. Mangeol, J. K. Kim, D. Luckey, D. Kiss, M. Acciarri, Guo-Ming Chen, D.W. Schmitz, G. Pascale, G. Forconi, L. Bellucci, P. de Jong, A. Seganti, Harvey B Newman, S. X. Wu, T. Sztaricshai, N. Shivarov, Howard A. Stone, T. Paul, Emilio Leonardi, A. Chen, D. van Dierendonck, Jozsef Toth, An. Zalite, J. Salicio, Yu. Galaktionov, J. Alcaraz, D. P. Stickland, F. Ziegler, Y. H. Chang, Kati Lassila-Perini, P. G. Rancoita, S. R. Hou, M. Wadhwa, D. J. Schotanus, H. El Mamouni, Francesco Conventi, V. Plyaskin, J. G. Branson, J.V. Allaby, S. Patricelli, D. Sciarrino, M. Vivargent, Maurizio Biasini, Marta Felcini, D. Piccolo, S. Villa, A. Lavorato, Marco Pieri, Roberto Battiston, Gerjan Bobbink, B. Borgia, Pierluigi Paolucci, Robert Clare, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, J. Ulbricht, G. Schwering, F. Di Lodovico, Claudio Luci, D. Pandoulas, G. Grenier, M. Steuer, L. Romero, B. N. Jin, M. Bourquin, H. Nowak, D. Vicinanza, C. Furetta, M. Napolitano, D. Duchesneau, H. S. Chen, L. Lugnier, S. Vlachos, R. Ostonen, S. N. Ganguli, A. Degré, A. Mihul, G. Alemanni, U. K. Chaturvedi, A. Lebedev, Dong-Chul Son, J. J. Blaising, J. Hirschfelder, Stefano Giagu, S. Reucroft, S. S. Gau, L. Servoli, An.A. Vorobyov, Joachim Mnich, W. Kittel, A. Buijs, J. Rodin, M. Rescigno, Y. S. Lu, A. Shvorob, M. A. Rahaman, Francesco Becattini, D. Perret-Gallix, A. Arefiev, Oleg Fedin, S. C. Yeh, R. R. McNeil, P. Achard, G. Landi, G. Carlino, L. Baksay, F. Cotorobai, M. Gataullin, T. Niessen, W. Wallraff, D. Hatzifotiadou, Laszlo Boldizsar, I. Clare, Francesca Cavallari, Giovanni Passaleva, Max Weber, A. Robohm, L. Fredj, C. Dionisi, H. J. Lee, Marcella Diemoz, O. Adriani, Imad Baptiste Laktineh, A. Stone, Lucas Taylor, Pablo Garcia-Abia, Alain Hervé, J. H. Field, Simone Paoletti, Z. A. Liu, G. Holzner, K. Riles, H. Anderhub, A. Vorvolakos, A. Bay, M. G. Alviggi, J. P. Martin, B. Stoyanov, Carlo Civinini, Y. D. Oh, I. Vetlitsky, F. Marzano, G. Coignet, W. Krenz, G. Raven, L. Xia, F. Ferroni, Francesca Nessi-Tedaldi, A. J.M. Muijs, S. Schmidt-Kaerst, M. Aguilar-Benitez, Michele Guida, B. Smith, H. J. Yang, M. Lebeau, O. Grimm, Herwig Schopper, Sw. Banerjee, Manjit Kaur, Samuel C.C. Ting, P. Duinker, M. Fabre, G. Cara Romeo, B. P. Roe, I. Korolko, J. D. Burger, Tariq Aziz, T. Siedenburg, Ren-Yuan Zhu, J. A. van Dalen, M. Della Pietra, H. Postema, S. Braccini, Luciano Barone, G. Rahal-Callot, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, M. Musy, A. Klimentov, N. Raja, Mingming Yang, G. Marian, E. Valente, G. Y. Zhu, M. Pedace, E. Shumilov, P. Molnar, T. van Rhee, C. Cecchi, B. Cozzoni, R. de Asmundis, I. Fisk, H. F. Chen, D. Kim, A. Gurtu, H. Suter, Ia Iashvili, D. H. Kim, S. Wynhoff, C-Q. Li, V. K. Gupta, Subir Sarkar, F. Brochu, D. della Volpe, V. Shoutko, M. N. Kienzle-Focacci, D. Kamrad, G. Viertel, F. C. Erné, B. De La Cruz, Crisostomo Sciacca, G. Chiefari, S. Shevchenko, A. Hasan, A. Csilling, F. DeNotaristefani, D. Prokofiev, Luisa Cifarelli, M. Pohl, F. Behner, K. Freudenreich, Hans J. Vogel, L. J. Gutay, J. Busenitz, J. M. Le Goff, U. Becker, P. Déglon, I. Duran, S. Cucciarelli, Manas Maity, Igor Vorobiev, S. Costantini, P. Berges, F. J. Eppling, L. W. Jones, C. Maña, J. A. Rubio, P. Levtchenko, Panos A Razis, S. M. Ting, P. Marchesini, V. Brigljevic, Z. Szillasi, V. Koutsenko, Simonetta Gentile, A. Balandras, J. Berdugo, H. K. Park, E. J. Sanchez, P. Raics, R. Faccini, X. L. Wang, G. G.G. Massaro, M. Pauluzzi, G. Zilizi, D. Ren, A. P. Colijn, G. Castellini, Z. F. Gong, Egidio Longo, Kajari Mazumdar, X. D. Cai, R. van Gulik, P. Extermann, Salvatore Mele, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, Speranza Falciano, F. Muheim, A. Straessner, Luca Lista, C. Palomares, Willis Lin, Sabine Riemann, Y. Uchida, Minhong Wang, M. P. Sanders, B. L. Betev, M. T. Dova, A. M. Cartacci, A. C. König, D. Dufournaud, I. H. Park, Z. Z. Xu, C. H. Lin, V. Pojidaev, S. C. Blyth, Marco Meschini, Christopher George Tully, Wolfgang Lohmann, H. Vogt, B. Bertucci, S. C. Kim, F. Anselmo, Nicanor Colino, Vladimir Andreev, D. Ruschmeier, Peter Denes, Paolo Bagnaia, F. Pierella, Federico Cindolo, A. Button, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, A. C. Weber, G. Mirabelli, K. Lübelsmeyer, A. Buffini, W. J. Burger, Michael Dittmar, J. D. Swain, D. Peach, Riccardo Paramatti, A. Böhm, A. Kunin, Lamberto Luminari, Hafeez R Hoorani, R. C. Ball, Pierre Lecomte, Werner Lustermann, Charles Timmermans, A. Malinin, W. J. Metzger, D. Haas, F. L. Linde, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, H. Wilkens, G. S. Muanza, Jean Fay, Nicolas Produit, A. Favara, and Zheng Wang
Subjects: Physics, Quark, Nuclear and High Energy Physics, Particle physics, Gauge boson, 010308 nuclear & particles physics, 7. Clean energy, 01 natural sciences, Standard Model, Nuclear physics, Pair production, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), 010306 general physics, Energy (signal processing), Boson
Abstract: The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in $\rm e^+e^-$ collisions at a centre--of--mass energy of 189\,GeV. All the visible final states are considered and the cross section of this process is measured to be $0.74^{+0.15}_{-0.14}\,{(\rm stat.)}\,{\pm 0.04}\,{(\rm syst.)}\, \mathrm{pb}$. Final states containing b quarks are enhanced by a dedicated selection and their production cross section is found to be $0.18^{+0.09}_{-0.07}\,{(\rm stat.)}\,\pm 0.02\,{\rm (syst.)}\, \mathrm{pb}$. Both results are in agreement with the Standard Model predictions. Limits on anomalous couplings between neutral gauge bosons are derived from these measurements
Published: 1999
Full Text: View/download PDF

23. Search for charged Higgs bosons in e+e− collisions at GeV

Author: G. Schwering, Kati Lassila-Perini, V. Plyaskin, Samuel C.C. Ting, Pàl Hidas, S. Bhattacharya, A. M. Cartacci, A. Arefiev, A. C. König, P. Duinker, I. Korolko, Simonetta Gentile, M. Vivargent, R. R. McNeil, D. Dufournaud, M. T. Dova, L. Z. Sun, R. van Gulik, G. Carlino, An.A. Vorobyov, I. H. Park, Z. Z. Xu, C. H. Lin, C. J.W.P. Timmermans, P. Extermann, Salvatore Mele, Christoph Schäfer, B. Z. Yang, V. Pojidaev, H. Hofer, U. K. Chaturvedi, Tariq Aziz, K. L. Tung, F. Cesaroni, G. Holzner, Y. S. Lu, M. Campanelli, D. Prokofiev, K. Riles, A. Shvorob, H. K. Park, F. Marzano, G. Coignet, Y. Uchida, W. Krenz, Igor Vorobiev, P. Levtchenko, Minhong Wang, M. P. Sanders, B. L. Betev, G. Castellini, Speranza Falciano, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, A. Straessner, Luca Lista, H. J. Lee, L. Bellucci, Z. M. Wang, C. Palomares, Emilio Leonardi, Sabine Riemann, H. Anderhub, L. Cifarelli, Panos A Razis, Crisostomo Sciacca, Z. F. Gong, S. S. Gau, M. G. Alviggi, D. Sciarrino, J. H. Field, L. J. Gutay, G. Ambrosi, B. Stoyanov, F. Muheim, S. Schmidt-Kaerst, U. Becker, M. Gataullin, I. Duran, L. Baksay, F. Cotorobai, C. Dionisi, A. Balandras, D. Ruschmeier, Pablo Garcia-Abia, L. Malgeri, H. Vogt, P. Marchesini, J. Berdugo, R. Barillère, A. Stone, Dimitri Bourilkov, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, M. Musy, F. J. Eppling, L. W. Jones, D. Kiss, V. Brigljevic, P. Spillantini, P. H. Fisher, S. M. Ting, P. Wienemann, Georgi Sultanov, E. J. Sanchez, Alain Hervé, B. Petersen, W. Kittel, T. S. Dai, T. Angelescu, Ren-Yuan Zhu, Francesca Cavallari, A. Bay, G. Cara Romeo, B. P. Roe, R. A. Khan, Michele Guida, B. Smith, C. Cecchi, Luciano Barone, J. Casaus, E. Fiandrini, Gyorgy Vesztergombi, B. Cozzoni, S. Braccini, R. Leiste, Christoph Paus, Subir Sarkar, M. Pedace, T. van Rhee, B. De La Cruz, J. P. Martin, A. De Salvo, Carlo Civinini, V. P. Andreev, F. Brochu, D. della Volpe, R. Ramelli, G. Raven, G. Y. Zhu, L. Xia, S. X. Wu, M. Chemarin, Egidio Longo, N. Cavallo, Z. P. Zhang, M. Pohl, Peter Raics, P. Bartalini, A. Gurtu, P. G. Rancoita, E. Shumilov, M. Fabre, V. Shoutko, Dong-Hyun Kim, M. Aguilar-Benitez, B. Monteleoni, Marcella Diemoz, A. Seganti, Mingming Yang, K. Sudhakar, M. Steuer, Kajari Mazumdar, X. D. Cai, O. Grimm, T. Paul, G. M. Chen, G. Zilizi, C. G. Yang, E. Valente, Alexander Malinin, J.V. Allaby, D.W. Schmitz, G. Pascale, S. Patricelli, D. O. Prokofiev, B. N. Jin, M. A. Rahaman, Harvey B Newman, R. de Asmundis, I. Fisk, J. J. Blaising, P. Déglon, H. Nowak, D. Vicinanza, D. Hatzifotiadou, A. Hasan, J. Busenitz, D. Kim, P. de Jong, J. G. Branson, N. Shivarov, Herwig Schopper, M. von der Mey, M. N. Kienzle-Focacci, D. Perret-Gallix, Laszlo Boldizsar, H. Postema, G. Viertel, Peter Denes, J. Alcaraz, L. Fredj, Jasper Kirkby, M. A. Falagan, R. Faccini, J. B. Ye, X. L. Wang, G. G.G. Massaro, Aleandro Nisati, S. Vlachos, Hans J. Vogel, M. Pauluzzi, W. Wallraff, J. Pothier, Yu. Zalite, A. Csilling, M. Lebeau, Davide Piccolo, G. Forconi, Robert Clare, S. Villa, S. N. Ganguli, A. Degré, Paolo Bagnaia, W. T. Lin, S. Costantini, Z. A. Liu, A. Vorvolakos, P. Lebrun, S. Banerjee, Joseph Quartieri, Howard A. Stone, M. Zöller, Anna Katharina Kopp, T. Sztaricskai, D. Ren, A. Lavorato, Jozsef Toth, R. Ostonen, M. Acciarri, Y. Galaktionov, Guo-Ming Chen, J. Rodin, F. L. Linde, T. Niessen, Claudio Luci, D. Pandoulas, Roberto Battiston, A. P. Colijn, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, A. Mihul, Aaron Dominguez, G. Alemanni, J. M. Le Goff, N. Gheordanescu, Felicitas Pauss, H. El Mamouni, F. Di Lodovico, A. Chen, D. van Dierendonck, J. Salicio, Gerjan Bobbink, B. Borgia, G. Grenier, J. Ulbricht, J. A. Rubio, W. G. Ma, P. Le Coultre, M. Basile, Z. Szillasi, S. C. Yeh, V. Koutsenko, F. C. Erné, An. Zalite, Alexei Klimentov, X. W. Tang, P. A. Piroué, Oleg Fedin, F. Pierella, M. Chamizo, D. Mangeol, J. K. Kim, S. Reucroft, D. Luckey, D. Duchesneau, H. S. Chen, L. Servoli, Max Weber, I. Clare, Raffaello D'Alessandro, Federico Cindolo, K. Freudenreich, Leonardo Merola, C-Q. Li, V. K. Gupta, L. Tauscher, G. Landi, T. Azemoon, Simone Paoletti, Marcos Cerrada, S. Cucciarelli, A. J.M. Muijs, C. Maña, Manjit Kaur, F. DeNotaristefani, A. Button, S. C. Tonwar, P. Laurikainen, F. Ferroni, Frank Filthaut, Thomas Ferguson, Manas Maity, P. Berges, Marco Meschini, S. C. Blyth, Maurizio Biasini, Marta Felcini, Francesco Becattini, Y. D. Oh, Christopher George Tully, H. J. Yang, Wolfgang Lohmann, B. Bertucci, H. F. Chen, S. Wynhoff, S. C. Kim, A. Buijs, F. Anselmo, Nicanor Colino, Riccardo Paramatti, A. Kunin, Hafeez R Hoorani, W. J. Metzger, A. C. Weber, G. Mirabelli, D. Haas, K. Lübelsmeyer, A. Buffini, Lamberto Luminari, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, H. Wilkens, S. Rosier-Lees, G. S. Muanza, Jean Fay, R. C. Ball, Pierre Lecomte, Nicolas Produit, Werner Lustermann, W. J. Burger, Michael Dittmar, J. D. Swain, D. Peach, A. Böhm, L. Romero, Alessandra Doria, A. Lebedev, Dong-Chul Son, M. Bourquin, J. Hirschfelder, Stefano Giagu, Joachim Mnich, P. Achard, I. Vetlitsky, A. Barczyk, A. Robohm, Adrian Biland, I. Vodopianov, A. Engler, M. Capell, Francesca Nessi-Tedaldi, H. S. Fesefeldt, E. Pistolesi, J. D. Burger, T. Siedenburg, S. R. Hou, M. Wadhwa, G. Rahal-Callot, N. Raja, G. Marian, D. J. Schotanus, Marco Pieri, Pierluigi Paolucci, H. Suter, Ia Iashvili, Giovanni Passaleva, H. Milcent, T. Moulik, D. P. Stickland, F. Ziegler, Y. H. Chang, C. Furetta, L. Lugnier, A. Favara, A. Rosca, X. Chereau, M. E. Sarakinos, M. Rescigno, P. Ladron de Guevara, J. A. van Dalen, P. Molnar, D. Kamrad, G. Chiefari, S. Shevchenko, and F. Behner
Subjects: Physics, Nuclear and High Energy Physics, Strange quark, Particle physics, 010308 nuclear & particles physics, Branching fraction, High Energy Physics::Phenomenology, 7. Clean energy, 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, Higgs boson, High Energy Physics::Experiment, Charm (quantum number), Neutrino, 010306 general physics, Lepton, Boson
Abstract: A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.4 pb −1 . Higgs decays into a charm and a strange quark or into a tau lepton and its associated neutrino are considered. The observed events are consistent with the expectations from Standard Model background processes. A lower limit of 65.5 GeV on the charged Higgs mass is derived at 95% confidence level, independent of the decay branching ratio Br(H ± →τν).
Published: 1999
Full Text: View/download PDF

24. Search for heavy isosinglet neutrinos in e+e− annihilation at GeV

Author: Y. J. Pei, A. Arefiev, Aleandro Nisati, Joseph Quartieri, Marco Pieri, R. R. McNeil, G. Carlino, Pierluigi Paolucci, C-Q. Li, Z. P. Zhang, R. Ramelli, T. Angelescu, V. K. Gupta, G. Ambrosi, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, G. Holzner, M. Chemarin, N. Cavallo, G. M. Chen, F. DeNotaristefani, Kajari Mazumdar, X. D. Cai, D.W. Schmitz, G. Pascale, P. de Jong, N. Shivarov, K. Riles, Federico Cindolo, Giovanni Passaleva, J. Casaus, R. Barillère, K. Sudhakar, Aaron Dominguez, Felicitas Pauss, A. Buijs, R. Ostonen, Robert Clare, W. J. Burger, Michael Dittmar, A. Barczyk, A. Favara, M. von der Mey, W. G. Ma, F. Marzano, G. Coignet, P. Le Coultre, W. Krenz, M. Basile, D. Mangeol, J. K. Kim, D. Luckey, Manas Maity, F. Cesaroni, U. K. Chaturvedi, Y. S. Lu, J. P. Martin, A. Button, S. C. Tonwar, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, Adrian Biland, P. Marchesini, Frank Filthaut, G. Y. Zhu, E. Shumilov, J. B. Ye, Francesca Nessi-Tedaldi, P. Molnar, H. El Mamouni, V. Shoutko, S. Vlachos, Raffaello D'Alessandro, J. D. Swain, D. Peach, P. Berges, Marco Meschini, A. Shvorob, Thomas Ferguson, C. G. Yang, J. D. Burger, T. Siedenburg, D. Kiss, V. Brigljevic, G. Rahal-Callot, D. Duchesneau, H. S. Chen, F. Di Lodovico, L. Servoli, J. Pothier, N. Raja, Emilio Leonardi, D. Sciarrino, Leonardo Merola, G. Forconi, R. Faccini, Yu. Zalite, A. Rosca, Pàl Hidas, S. Bhattacharya, S. X. Wu, Vladimir Andreev, D. Ruschmeier, Dimitri Bourilkov, G. Landi, J. H. Field, Jozsef Toth, Claudio Luci, S. S. Gau, Egidio Longo, D. Pandoulas, Simone Paoletti, Z. Szillasi, J. Rodin, T. Niessen, L. Z. Sun, A. Böhm, A. C. Weber, X. L. Wang, G. G.G. Massaro, M. Pauluzzi, H. Suter, Ia Iashvili, P. Spillantini, B. Petersen, B. Stoyanov, L. Baksay, F. Cotorobai, D. O. Prokofiev, X. Chereau, Jasper Kirkby, M. A. Falagan, M. E. Sarakinos, M. Zöller, D. Ren, S. Schmidt-Kaerst, A. J.M. Muijs, Manjit Kaur, H. Milcent, D. Kamrad, V. Koutsenko, G. Grenier, W. Kittel, Anna Katharina Kopp, L. Tauscher, I. Vodopianov, A. Engler, T. Azemoon, E. Fiandrini, Gyorgy Vesztergombi, G. Mirabelli, Ren-Yuan Zhu, Luciano Barone, A. P. Colijn, M. Gataullin, Z. A. Liu, M. Steuer, Dong-Hyun Kim, D. Migani, Kati Lassila-Perini, Z. M. Wang, P. Laurikainen, Igor Vorobiev, P. Ladron de Guevara, J. Busenitz, A. Kunin, A. De Salvo, A. Vorvolakos, S. Reucroft, V. Plyaskin, Peter Denes, K. Lübelsmeyer, P. Levtchenko, G. Zilizi, G. Chiefari, A. Stone, Oleg Fedin, S. Shevchenko, Panos A Razis, T. Moulik, M. Pedace, T. van Rhee, M. Capell, C. Dionisi, Paolo Bagnaia, P. Bartalini, Marcos Cerrada, E. Valente, Pablo Garcia-Abia, Hafeez R Hoorani, S. C. Blyth, Alain Hervé, A. Gurtu, H. S. Fesefeldt, A. Seganti, Harvey B Newman, A. Bay, E. Pistolesi, A. Buffini, D. P. Stickland, F. Ziegler, Y. H. Chang, N. Gheordanescu, F. Behner, M. A. Rahaman, D. Perret-Gallix, Max Weber, B. De La Cruz, M. Vivargent, Carlo Civinini, G. Raven, L. Xia, Lamberto Luminari, Christopher George Tully, L. Malgeri, Simonetta Gentile, A. Balandras, G. Schwering, D. Dufournand, M. Aguilar-Benitez, O. Grimm, F. Ferroni, L. Romero, Yu. Galaktionov, G. Viertel, Herwig Schopper, Daijin Kim, J. M. Le Goff, H. Postema, Wolfgang Lohmann, B. Bertucci, J. Berdugo, S. C. Kim, R. C. Ball, S. Sarkar, W. J. Metzger, G. Cara Romeo, B. P. Roe, R. van Gulik, C. Cecchi, M. Bourquin, Pierre Lecomte, J. Alcaraz, F. Anselmo, Nicanor Colino, M. Rescigno, E. J. Sanchez, H. Anderhub, M. Fabre, C. Furetta, J. J. Blaising, A. Hasan, P. Déglon, Joachim Mnich, Mingming Yang, Werner Lustermann, L. Lugnier, C. J.W.P. Timmermans, P. Extermann, Salvatore Mele, F. Brochu, D. della Volpe, A. Lebedev, P. Achard, Dong-Chul Son, A. Malinin, Hans J. Vogel, J. A. Rubio, D. Haas, M. W. Gruenewald, J. Schwenke, A. Robohm, B. Smith, Christoph Schäfer, B. Z. Yang, H. Hofer, J. Hirschfelder, K. L. Tung, Francesca Cavallari, M. Pohl, S. Braccini, Stefano Giagu, I. Josa-Mutuberria, M. Kräber, P. Lacenter, W. T. Lin, S. Costantini, A. Mihul, T. Paul, Samuel C.C. Ting, P. Duinker, S. Pensotti, Valery Schegelsky, Antonino Zichichi, I. Korolko, R. de Asmundis, H. Rykaczewski, Giovanni Organtini, I. Fisk, G. Alemanni, A. Klimentov, P. Lebrun, F. C. Erné, H. K. Park, I. Vetlitsky, H. Wilkens, J. G. Branson, S. Rosier-Lees, S. Villa, A. Lavorato, B. Cozzoni, G. Castellini, G. S. Muanza, K. Freudenreich, M. Campanelli, F. Muheim, An.A. Vorobyov, S. C. Yeh, J. A. van Dalen, Jean Fay, S. N. Ganguli, A. Degré, Z. F. Gong, M. Acciarri, Guo-Ming Chen, Alessandra Doria, S. Cucciarelli, F. L. Linde, Nicolas Produit, C. Maña, H. J. Lee, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, M. G. Alviggi, M. N. Kienzle-Focacci, A. Chen, D. van Dierendonck, A. Csilling, M. Lebeau, Davide Piccolo, J. Salicio, R. Leiste, Christoph Paus, S. R. Hou, B. Monteleoni, M. Wadhwa, D. J. Schotanus, Howard A. Stone, Roberto Battiston, G. Marian, Gerjan Bobbink, B. Borgia, J. Ulbricht, I. Clare, Tariq Aziz, Crisostomo Sciacca, P. G. Rancoita, Marcella Diemoz, B. N. Jin, H. Nowak, D. Vicinanza, Maurizio Biasini, Marta Felcini, W. Wallraff, Francesco Becattini, S. Banerjee, Y. D. Oh, H. J. Yang, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, H. F. Chen, S. Wynhoff, X. W. Tang, P. A. Piroué, M. Chamizo, An. Zalite, L. J. Gutay, U. Becker, I. Duran, H. Vogt, F. J. Eppling, L. W. Jones, P. H. Fisher, S. M. Ting, J.V. Allaby, S. Patricelli, D. Hatzifotiadou, Laszlo Boldizsar, L. Fredj, D. Prokofiev, Luisa Cifarelli, Y. Uchida, Minhong Wang, M. P. Sanders, B. L. Betev, Speranza Falciano, A. Straessner, Luca Lista, C. Palomares, Sabine Riemann, M. T. Dova, A. M. Cartacci, A. C. König, I. H. Park, Z. Z. Xu, C. H. Lin, and V. Pojidaev
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, High Energy Physics::Phenomenology, 01 natural sciences, 7. Clean energy, First generation, Standard Model, Nuclear physics, Gauge group, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Heavy neutrino, Nuclear Experiment, 010306 general physics, Lepton
Abstract: A search for heavy neutrinos that are isosinglets under the standard $SU(2)_L$ gauge group is made at center-of-mass energies 130 $< \sqrt{s}
Published: 1999
Full Text: View/download PDF

25. Search for the standard model Higgs boson in e+e− interactions at GeV

Author: B. Monteleoni, M. Campanelli, G. Ambrosi, Francesca Nessi-Tedaldi, Howard A. Stone, P. Wienemann, Georgi Sultanov, T. S. Dai, R. A. Khan, Roberto Battiston, G. Marian, Gerjan Bobbink, B. Borgia, J. Ulbricht, I. Clare, Lamberto Luminari, Raffaello D'Alessandro, H. J. Lee, Konrad Deiters, G. B. Mohanty, R. Barillère, Vladimir Andreev, D. Ruschmeier, J. D. Burger, Alberto Aloisio, T. Siedenburg, Maurizio Biasini, Marta Felcini, Leonardo Merola, M. Chemarin, N. Cavallo, A. Lebedev, Pàl Hidas, S. Bhattacharya, L. Tauscher, G. Rahal-Callot, A. Favara, Dong-Chul Son, T. Azemoon, F. Cesaroni, R. C. Ball, Y. J. Pei, Pierre Lecomte, Samuel C.C. Ting, P. Duinker, I. Korolko, G. M. Chen, E. Valente, Francesco Becattini, J. Hirschfelder, Y. Uchida, A. Klimentov, F. C. Erné, M. Rescigno, X. W. Tang, N. Raja, Stefano Giagu, J.V. Allaby, P. A. Piroué, L. Z. Sun, S. Patricelli, D. O. Prokofiev, G. Schwering, Jasper Kirkby, M. A. Falagan, Dimitri Bourilkov, J. Busenitz, Y. D. Oh, Werner Lustermann, Marcos Cerrada, G. Viertel, Emilio Leonardi, M. Chamizo, P. Spillantini, D. Hatzifotiadou, Laszlo Boldizsar, Tariq Aziz, A. Malinin, K. Freudenreich, Minhong Wang, Z. Szillasi, M. P. Sanders, B. L. Betev, H. J. Yang, M. Zöller, K. Sudhakar, Anna Katharina Kopp, Marco Pieri, Peter Denes, Paolo Bagnaia, A. Rosca, X. Chereau, D. Sciarrino, Hans J. Vogel, V. Koutsenko, M. E. Sarakinos, R. Faccini, S. C. Blyth, Yu. Galaktionov, L. Fredj, B. Petersen, Pierluigi Paolucci, A. C. Weber, Aleandro Nisati, J. Schwenke, W. T. Lin, H. F. Chen, S. Costantini, X. L. Wang, M. von der Mey, An.A. Vorobyov, J. B. Ye, Kati Lassila-Perini, V. Plyaskin, J. Alcaraz, L. Baksay, F. Cotorobai, S. S. Gau, I. Vetlitsky, A. Barczyk, E. Fiandrini, S. Cucciarelli, G. G.G. Massaro, Z. M. Wang, H. Anderhub, C. Dionisi, C. Maña, Joseph Quartieri, Pablo Garcia-Abia, H. K. Park, P. Marchesini, S. Wynhoff, M. Pauluzzi, C-Q. Li, U. K. Chaturvedi, O. Adriani, G. Forconi, S. X. Wu, Christopher George Tully, D. Dufournand, J. A. van Dalen, Imad Baptiste Laktineh, Lucas Taylor, P. Ladron de Guevara, Speranza Falciano, V. K. Gupta, Francesca Cavallari, Gyorgy Vesztergombi, M. Gataullin, D. Kiss, V. Brigljevic, A. Stone, Crisostomo Sciacca, Adrian Biland, Giovanni Passaleva, M. G. Alviggi, H. Suter, Ia Iashvili, Y. S. Lu, Alain Hervé, A. Bay, Alessandra Doria, G. Mirabelli, Jozsef Toth, A. Straessner, Luca Lista, L. Malgeri, Wolfgang Lohmann, G. Castellini, B. Bertucci, D. Ren, G. Alemanni, Claudio Luci, D. Pandoulas, S. C. Kim, A. Buijs, F. DeNotaristefani, T. Angelescu, J. Casaus, B. De La Cruz, D. Migani, F. Ferroni, A. Shvorob, Carlo Civinini, Aaron Dominguez, G. Raven, K. Lübelsmeyer, D. Prokofiev, Luisa Cifarelli, Felicitas Pauss, F. Anselmo, Nicanor Colino, G. Cara Romeo, B. P. Roe, A. P. Colijn, S. C. Yeh, Z. P. Zhang, C. Palomares, P. G. Rancoita, G. Grenier, Z. F. Gong, J. J. Blaising, Kajari Mazumdar, C. G. Yang, P. Déglon, Marcella Diemoz, J. Pothier, Yu. Zalite, A. De Salvo, B. N. Jin, L. Xia, M. Aguilar-Benitez, L. J. Gutay, O. Grimm, Herwig Schopper, A. Buffini, S. Reucroft, W. G. Ma, P. Le Coultre, U. Becker, Dong-Hyun Kim, M. Basile, C. Cecchi, Federico Cindolo, F. Brochu, J. H. Field, Igor Vorobiev, X. D. Cai, Sabine Riemann, H. Nowak, P. Levtchenko, G. Zilizi, D. Vicinanza, I. Vodopianov, Manas Maity, Daijin Kim, S. R. Hou, A. Button, M. Wadhwa, L. Romero, I. Duran, B. Smith, H. Postema, Panos A Razis, W. J. Burger, W. Kittel, D. della Volpe, H. Vogt, P. Berges, M. T. Dova, M. Pohl, D. J. Schotanus, A. M. Cartacci, C. Furetta, S. C. Tonwar, A. Engler, B. Stoyanov, A. C. König, M. Capell, Marco Meschini, S. Schmidt-Kaerst, Frank Filthaut, L. Lugnier, P. Bartalini, S. Sarkar, F. J. Eppling, L. W. Jones, P. H. Fisher, Michael Dittmar, S. M. Ting, D. Mangeol, J. K. Kim, D. Luckey, Thomas Ferguson, H. S. Fesefeldt, Simonetta Gentile, Z. A. Liu, A. Vorvolakos, E. Pistolesi, Ren-Yuan Zhu, Luciano Barone, A. Kunin, W. Wallraff, M. Bourquin, A. Balandras, J. Berdugo, S. Braccini, R. Ostonen, J. D. Swain, D. Peach, T. Paul, M. Fabre, A. Seganti, J. G. Branson, S. Villa, A. Lavorato, I. H. Park, P. Molnar, Mingming Yang, E. J. Sanchez, Z. Z. Xu, C. H. Lin, M. Pedace, T. van Rhee, S. Vlachos, S. N. Ganguli, P. Lacenter, V. Pojidaev, Hafeez R Hoorani, M. Steuer, J. M. Le Goff, A. Gurtu, J. Rodin, Joachim Mnich, P. Achard, S. Banerjee, T. Niessen, A. Böhm, An. Zalite, A. Degré, Harvey B Newman, J. P. Martin, M. N. Kienzle-Focacci, N. Gheordanescu, D. Kamrad, W. J. Metzger, J. A. Rubio, G. Y. Zhu, E. Shumilov, A. Robohm, A. Hasan, G. Chiefari, A. Csilling, S. Shevchenko, M. Lebeau, Davide Piccolo, V. Shoutko, F. Behner, G. Landi, D. Haas, R. de Asmundis, I. Fisk, H. Milcent, M. A. Rahaman, P. Lebrun, D. Perret-Gallix, Simone Paoletti, M. Acciarri, Guo-Ming Chen, A. J.M. Muijs, F. L. Linde, S. Pensotti, Valery Schegelsky, Antonino Zichichi, T. Moulik, Manjit Kaur, A. Chen, D. van Dierendonck, J. Salicio, M. Vivargent, H. Rykaczewski, Giovanni Organtini, H. Wilkens, P. Laurikainen, S. Rosier-Lees, D. P. Stickland, F. Ziegler, Y. H. Chang, M. W. Gruenewald, I. Josa-Mutuberria, M. Kräber, G. S. Muanza, A. Mihul, Jean Fay, Egidio Longo, Nicolas Produit, B. Cozzoni, H. El Mamouni, F. Di Lodovico, R. Ramelli, A. Arefiev, R. R. McNeil, D.W. Schmitz, G. Pascale, P. de Jong, G. Carlino, N. Shivarov, Robert Clare, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, Oleg Fedin, G. Holzner, K. Riles, F. Marzano, Max Weber, G. Coignet, W. Krenz, F. Muheim, R. van Gulik, C. J.W.P. Timmermans, P. Extermann, Salvatore Mele, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, D. Duchesneau, H. S. Chen, L. Servoli, R. Leiste, and Christoph Paus
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Elementary particle, 01 natural sciences, Lower limit, Standard Model, Nuclear physics, 0103 physical sciences, Higgs boson, High Energy Physics::Experiment, 010306 general physics, Energy (signal processing)
Abstract: A search for the Standard Model Higgs boson is carried out on $176.4\ \mathrm{pb}^{-1}$ of data collected by the L3 detector at a center-of-mass energy of $189 \mathrm{\ Ge\kern -0.1em V}$. The data are consistent with the expectations of Standard Model processes and no evidence of a Higgs signal is observed. Combining the results of this search with those at lower center-of-mass energies, a lower limit on the mass of the Standard Model Higgs boson of $95.3\mathrm{\ Ge\kern -0.1em V}$ is set at the 95\% confidence level.
Published: 1999
Full Text: View/download PDF

26. Search for scalar leptons in e+e− collisions at GeV

Author: Marta Felcini, R. Leiste, Christoph Paus, Francesco Becattini, E. Valente, Y. D. Oh, A. Vorvolakos, M. Vivargent, B. Monteleoni, A. Barczyk, G. Viertel, Adrian Biland, S. Wynhoff, J. M. Le Goff, N. Gheordanescu, Hans J. Vogel, J.V. Allaby, J. A. Rubio, S. Patricelli, Kati Lassila-Perini, V. Plyaskin, A. Arefiev, S. Petrak, Egidio Longo, J. Schwenke, W. T. Lin, S. Costantini, Pàl Hidas, S. Bhattacharya, D. Hatzifotiadou, Xl Wang, Laszlo Boldizsar, S. Sakar, L. Z. Sun, P. Molnar, W.G. Ma, S. C. Blyth, H. Anderhub, Lamberto Luminari, R. Ostonen, L. Fredj, M. T. Dova, T. Paul, J. G. Branson, An. Zalite, R. R. McNeil, Alessandra Doria, Gobinda Majumder, A. Buijs, Kajari Mazumdar, G. Forconi, V. K. Gupta, Dimitri Bourilkov, M. Campanelli, B. Smith, X. D. Cai, P. Spillantini, Marco Meschini, Raffaello D'Alessandro, S. Villa, A. Lavorato, Davide Piccolo, B. Petersen, S. Braccini, Y. S. Lu, Howard A. Stone, S. N. Ganguli, Gianpaolo Carlino, F. DeNotaristefani, U. K. Chaturvedi, Francesca Nessi-Tedaldi, E. Fiandrini, Gyorgy Vesztergombi, F. Cesaroni, Y. Uchida, R. C. Ball, Jozsef Toth, Claudio Luci, Pierre Lecomte, I. Vodopianov, A. Engler, Marcella Diemoz, Pablo Garcia-Abia, Alain Hervé, A. Bay, Carlo Civinini, G. Raven, L. Xia, L. J. Gutay, U. Becker, I. Duran, A. Degré, H. S. Chen, P. Zemp, D. Pandoulas, A. Shvorob, Francesca Cavallari, Leonardo Merola, L. Tauscher, Y. J. Pei, Emilio Leonardi, A. De Salvo, Roberto Battiston, M. Aguilar-Benitez, D. Sciarrino, Herwig Schopper, H. Postema, H. Vogt, R. de Asmundis, F. J. Eppling, L. W. Jones, J. D. Burger, W. Kittel, T. Siedenburg, I. Fisk, P. Bartalini, Manas Maity, P. Berges, S. Pensotti, Valery Schegelsky, Antonino Zichichi, G. Rahal-Callot, Werner Lustermann, M. Capell, N. Raja, D.W. Schmitz, G. Pascale, F. Cotorobai, T. Azemoon, Minhong Wang, P. H. Fisher, S. M. Ting, G. Marian, Gerjan Bobbink, D. Kim, A. Seganti, P. de Jong, P. G. Rancoita, N. Shivarov, M. P. Sanders, B. L. Betev, H. Rykaczewski, G. Holzner, Giovanni Organtini, Harvey B Newman, K. Riles, R. Barillère, J. M. You, Robert Clare, P. Marchesini, H. S. Fesefeldt, E. Pistolesi, D. Kiss, V. Brigljevic, Christopher George Tully, H. Wilkens, G. Grenier, B. N. Jin, S. Rosier-Lees, A. Malinin, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, F. Marzano, J. Ulbricht, M. Napolitano, D. Dufournand, Marcos Cerrada, H. Suter, Ia Iashvili, M. Fabre, J. H. Field, L. Lugnier, H. Nowak, G. Coignet, D. Vicinanza, W. Krenz, Jean Fay, H. El Mamouni, C. Furetta, F. Di Lodovico, N. Scholz, S. R. Hou, A. M. Cartacci, Pierluigi Paolucci, J. P. Martin, D. Duchesneau, C. Li, L. Romero, L. Servoli, M. Yang, D. O. Prokofiev, A. C. König, W. J. Burger, S. Reucroft, B. Stoyanov, Wolfgang Lohmann, Z. Szillasi, M. Wadhwa, D. J. Schotanus, B. Bertucci, G.S. Muanza, B. Borgia, Yu. Galaktionov, G.M. Chen, S. Schmidt-Kaerst, J. Alcaraz, Jasper Kirkby, M. A. Falagan, S. C. Kim, G. Cara Romeo, V. Koutsenko, Nicolas Produit, X. W. Tang, G. Landi, Dong-Hyun Kim, G. Zilizi, Simone Paoletti, M. Bourquin, B. De La Cruz, Nicola Cavallo, M. Zöller, Anna Katharina Kopp, Samuel C.C. Ting, Joachim Mnich, Michael Dittmar, I. Clare, Bz Yang, Oleg Fedin, E. Shumilov, D. Migani, Giovanni Passaleva, Zhenghao Xu, A. Lebedev, Dong-Chul Son, P. Achard, F. Anselmo, Ren-Yuan Zhu, A. Kunin, Luciano Barone, Nicanor Colino, H. K. Park, G.Y. Zhu, A. Robohm, W. Wallraff, G. Castellini, Luisa Cifarelli, Max Weber, A. Favara, I. H. Park, J. Hirschfelder, Stefano Giagu, R. van Gulik, C. H. Lin, A. J.M. Muijs, M. Pedace, V. Shoutko, T. van Rhee, Sw. Banerjee, Manjit Kaur, C. Dionisi, C. J.W.P. Timmermans, P. Extermann, Z. F. Gong, Zheng Wang, Hafeez R Hoorani, M. W. Gruenewald, V. Pojidaev, A. Mihul, G. Alemanni, J. D. Swain, I. Josa-Mutuberria, H. Milcent, S. Banerjee, L. Malgeri, A. Gurtu, Federico Cindolo, W. W. Kinnison, S. C. Yeh, M. N. Kienzle-Focacci, T. Moulik, B. P. Roe, P. Laurikainen, D. Peach, Salvatore Mele, H.J. Yang, Christoph Schäfer, H. Hofer, X. Chereau, M.E. Sarakinos, A. Csilling, A. Hasan, M. Lebeau, C. Cecchi, W. J. Metzger, I. Vetlitsky, F. Brochu, K. Sudhakar, B. Cozzoni, A. Button, D. della Volpe, A. Straessner, Konrad Deiters, G. Chen, D. P. Stickland, F. Ziegler, Y. H. Chang, Luca Lista, A. Böhm, M. von der Mey, Alberto Aloisio, P. Lebrun, S. C. Tonwar, J. B. Ye, M. Pohl, A. C. Weber, P. Ladron de Guevara, C. Palomares, D. Haas, Frank Filthaut, S. X. Wu, Sabine Riemann, J. J. Blaising, M. Acciarri, L. Baksay, G. Mirabelli, H.F. Chen, P. A. Piroué, M. Chamizo, F. Muheim, Zhidong Zhang, Tariq Aziz, K. Lübelsmeyer, A. Chen, D. van Dierendonck, J. Salicio, D. Ruschmeier, P. Déglon, Speranza Falciano, A. Buffini, Thomas Ferguson, G. Ambrosi, C. G. Yang, Igor Vorobiev, M. Steuer, Crisostomo Sciacca, Marco Pieri, D. Kamrad, P. Levtchenko, K. Banicz, D. Perret-Gallix, G. Chiefari, S. Shevchenko, Panos A Razis, F. Behner, M. Rescigno, S. S. Gau, J. Busenitz, Peter Denes, A. Balandras, Paolo Bagnaia, J. Berdugo, M. Gataullin, K. L. Tung, E. J. Sanchez, A. Stone, J. A. van Dalen, R. Faccini, G. G.G. Massaro, P. Duinker, I. Korolko, Simonetta Gentile, A. Klimentov, M. Pauluzzi, H.J. Lee, D. Ren, J. Shukla, A. P. Colijn, Aleandro Nisati, Joseph Quartieri, G. Schwering, P. Wienemann, Georgi Sultanov, Fl Linde, T. S. Dai, R. A. Khan, An.A. Vorobyov, V. P. Andreev, M. Chemarin, Aaron Dominguez, Felicitas Pauss, Z.A. Liu, O. Adriani, Imad Baptiste Laktineh, P. Le Coultre, M. Basile, Lucas Taylor, M. G. Alviggi, D. Mangeol, J. K. Kim, T. Angelescu, D. Luckey, J. Casaus, P. Lacentre, J. Pothier, Yu. Zalite, F. C. Erné, K. Freudenreich, C. Maña, F. Ferroni, S. Vlachos, J. Rodin, J. S. Kapustinsky, T. Niessen, and Maurizio Biasini
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Scalar (physics), Parameter space, 01 natural sciences, Lower limit, R-parity, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Minimal Supersymmetric Standard Model, Lepton
Abstract: We report the result of a search for scalar leptons in e+e−collisions at 183 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 55.2 pb−1. Improved upper limits are set on the production cross-sections for stable as well as unstable scalar leptons. New exclusion contours in the parameter space of the Minimal Supersymmetric Standard Model are derived, as well as new lower limits on scalar lepton masses.
Published: 1999
Full Text: View/download PDF

27. Measurement of the forward-backward asymmetry and the mixing parameter using prompt leptons

Author: Aaron Dominguez, Adrian Biland, A. M. Cartacci, Felicitas Pauss, Yu. Galaktionov, Tariq Aziz, A. C. König, J. Alcaraz, Francesca Cavallari, W. G. Ma, P. Le Coultre, M. Basile, Crisostomo Sciacca, Daijin Kim, A. Mihul, M. Campanelli, G. Alemanni, D. Mangeol, J. K. Kim, D. Luckey, A. Favara, I. H. Park, A. Engler, Z. Z. Xu, C. H. Lin, H. J. Lee, M. Capell, C. Furetta, Konrad Deiters, Igor Vorobiev, P. Levtchenko, V. Pojidaev, S. Reucroft, W. W. Kinnison, S. C. Yeh, Panos A Razis, A. Balandras, G. Ambrosi, Y. J. Pei, J. Berdugo, R. Faccini, E. J. Sanchez, Alberto Aloisio, X. L. Wang, G. G.G. Massaro, S. Vlachos, H. S. Fesefeldt, E. Pistolesi, Vladimir Andreev, M. Pauluzzi, S. Pensotti, Valery Schegelsky, Antonino Zichichi, D. Ruschmeier, Georgi Sultanov, Fl Linde, T. S. Dai, D.W. Schmitz, G. Pascale, P. de Jong, J. M. You, X. W. Tang, N. Shivarov, D. Ren, J. Shukla, J. Rodin, J. S. Kapustinsky, T. Niessen, H. Milcent, R. A. Khan, Pàl Hidas, S. Bhattacharya, A. P. Colijn, S. Roth, A. Pevsner, S. X. Wu, H. Rykaczewski, Giovanni Organtini, P. A. Piroué, P. Marchesini, P. Molnar, Robert Clare, J. P. Martin, G. Y. Zhu, E. Shumilov, A. Lebedev, G. Gratta, V. Shoutko, Dong-Chul Son, Bryan R. Smith, D. Kiss, Marco Pieri, L. Z. Sun, A. Nippe, S. Rosier-Lees, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, Y. Uchida, V. Brigljevic, J. Hirschfelder, P. Rosselet, Gobinda Majumder, M. Napolitano, Stefano Giagu, G. S. Muanza, M. Chemarin, N. Cavallo, G. M. Chen, S. Petrak, Z. A. Liu, P. G. Rancoita, Pierluigi Paolucci, F. C. Erné, D. Duchesneau, H. S. Chen, H. Anderhub, Alexander Malinin, K. Sudhakar, Jean Fay, Raffaello D'Alessandro, G. Schwering, M. Vivargent, R. van Gulik, A. Vorvolakos, W. J. Burger, Marcella Diemoz, C. J.W.P. Timmermans, M. P. Sanders, T. Moulik, B. L. Betev, B. N. Jin, H. Nowak, L. Servoli, Luisa Cifarelli, K. Freudenreich, W. Kittel, P. Extermann, Salvatore Mele, S. Sakar, Nicolas Produit, D. Kamrad, J. Busenitz, M. von der Mey, J. B. Ye, I. Vetlitsky, G. Landi, Simone Paoletti, Z. Szillasi, Christoph Schäfer, B. Z. Yang, H. Hofer, Leonardo Merola, L. Tauscher, T. Azemoon, Michael Dittmar, V. Koutsenko, W. Wallraff, G. Chiefari, S. Shevchenko, F. Behner, A. Buijs, A. J.M. Muijs, Peter Denes, Manjit Kaur, M. Steuer, C. Dionisi, Paolo Bagnaia, G. M. Bilei, P. Laurikainen, Aleandro Nisati, Joseph Quartieri, C. Lapoint, K. Banicz, Marcos Cerrada, S. Banerjee, C. Maña, I. C. Brock, A. Straessner, Luca Lista, G. Forconi, J.V. Allaby, F. Ferroni, S. Braccini, J. D. Swain, D. Peach, K. L. Tung, Juven Wang, Y. Mi, A. Kasser, S. Patricelli, D. P. Stickland, F. Ziegler, Y. H. Chang, Y. Zeng, Jozsef Toth, Claudio Luci, D. Pandoulas, M. Fabre, Z. M. Wang, D. Perret-Gallix, D. Hatzifotiadou, S. C. Blyth, P. Zemp, An.A. Vorobyov, R. de Asmundis, I. Fisk, F. Muheim, D. Kirkby, An. Zalite, C. Palomares, Laszlo Boldizsar, T. Paul, L. Romero, Mingming Yang, Dong-Hyun Kim, G. Zilizi, A. Kunin, Sabine Riemann, Hafeez R Hoorani, Alessandra Doria, C-Q. Li, S. S. Gau, L. Fredj, X. Chereau, Christopher George Tully, R. Ostonen, J. G. Branson, M. E. Sarakinos, V. K. Gupta, S. Villa, A. Lavorato, L. J. Gutay, O. Adriani, A. Böhm, D. Dufournand, E. Valente, W. J. Metzger, U. Becker, S. Goldfarb, M. Gataullin, M. Bourquin, Imad Baptiste Laktineh, Lucas Taylor, Wolfgang Lohmann, B. Bertucci, I. Duran, D. Haas, P. Ladron de Guevara, A. Stone, H. Vogt, J. M. Le Goff, Joachim Mnich, S. N. Ganguli, N. Gheordanescu, M. G. Alviggi, M. W. Gruenewald, I. Josa-Mutuberria, S. C. Kim, A. Degré, Dimitri Bourilkov, M. N. Kienzle-Focacci, P. Achard, P. Spillantini, Lamberto Luminari, F. J. Eppling, L. W. Jones, B. Petersen, F. Anselmo, Nicanor Colino, P. H. Fisher, T. Angelescu, W. Lu, N. Scholz, F. DeNotaristefani, G. Viertel, Federico Cindolo, S. M. Ting, A. Robohm, A. Csilling, E. Fiandrini, Gyorgy Vesztergombi, H. El Mamouni, M. Rattaggi, F. Di Lodovico, P. Payat, A. Button, M. Lebeau, J. Casaus, Davide Piccolo, S. C. Tonwar, Samuel C.C. Ting, S. R. Hou, M. Wadhwa, D. J. Schotanus, L. Malgeri, P. Duinker, I. Korolko, Simonetta Gentile, Frank Filthaut, Egidio Longo, Hans J. Vogel, Francesca Nessi-Tedaldi, A. De Salvo, G. Cara Romeo, B. P. Roe, Thomas Ferguson, A. Klimentov, P. Bartalini, C. Cecchi, R. C. Ball, Pierre Lecomte, Harvey B Newman, D. Migani, J. D. Burger, T. Siedenburg, F. Brochu, G. Rahal-Callot, C. G. Yang, D. della Volpe, A. Arefiev, J. A. Rubio, Oleg Fedin, B. Borgia, Pablo Garcia-Abia, M. Pohl, J. Pothier, Yu. Zalite, N. Raja, Werner Lustermann, R. R. McNeil, Alain Hervé, G. Carlino, F. Cesaroni, M. Chamizo, Manas Maity, H. Suter, M. Rescigno, Ia Iashvili, B. De La Cruz, A. C. Weber, P. Berges, R. Mount, A. Bay, Steve Nahn, Marco Meschini, H. K. Park, G. Holzner, G. Mirabelli, K. Riles, Carlo Civinini, Maurizio Biasini, Marta Felcini, G. Raven, J. J. Blaising, P. Déglon, G. Castellini, Speranza Falciano, Emilio Leonardi, K. Lübelsmeyer, Francesco Becattini, F. Marzano, G. Coignet, W. Krenz, M. Aguilar-Benitez, R. Bock, J. A. van Dalen, Z. F. Gong, Y. D. Oh, D. Sciarrino, H. J. Yang, Herwig Schopper, H. Postema, A. Buffini, H. F. Chen, S. Wynhoff, L. Baksay, F. Cotorobai, Z. P. Zhang, Kajari Mazumdar, X. D. Cai, Giovanni Passaleva, U. K. Chaturvedi, J. Schwenke, W. T. Lin, Y. S. Lu, S. Costantini, R. Leiste, Christoph Paus, A. Shvorob, B. Monteleoni, J. H. Field, A. Kirkby, Howard A. Stone, B. Stoyanov, S. Schmidt-Kaerst, Roberto Battiston, G. Marian, Gerjan Bobbink, J. Ulbricht, P. Lebrun, I. Clare, M. Acciarri, Guo-Ming Chen, A. Chen, D. van Dierendonck, J. Salicio, Ren-Yuan Zhu, Luciano Barone, M. Pedace, T. van Rhee, A. Gurtu, B. Hartmann, A. Hasan, R. Barillère, D. O. Prokofiev, Jasper Kirkby, M. A. Falagan, Anna Katharina Kopp, S. Easo, Kati Lassila-Perini, V. Plyaskin, M. T. Dova, and A. Barczyk
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, Charge (physics), Weinberg angle, 01 natural sciences, 7. Clean energy, Nuclear physics, 0103 physical sciences, Large Electron–Positron Collider, High Energy Physics::Experiment, 010306 general physics, Energy (signal processing), Lepton
Abstract: The time-integrated $\mathrm{B}^{0}\bar{\mathrm{B}}^{0}$ mixing parameter and the forward-backward charge asymmetry in the process $\mathrm{e}^{+}\mathrm{e}^{-} \rightarrow \mathrm{b}\bar{\mathrm{b}}$ are measured in hadronic \Z events containing prompt muons or electrons, collected by the L3 experiment in the years 1990 to 1995. The total sample of 3.3 million hadronic $\mathrm{Z}$ events with a mean centre-of-mass energy of 91.26 GeV yields: \begin{eqnarray*} \mbox{$A_{\mathrm{FB}}^{\mathrm{b} }$} & = & 0.0960 \pm 0.0066(stat.) \pm 0.0033(sys.) \,, \\ %corel-6 \mbox{$\chi_{\mathrm{b}}$} & = & 0.1192 \pm 0.0068(stat.) \pm 0.0051(sys.) \,. % \end{eqnarray*} %%% %%% %%% %%% This asymmetry measurement together with measurements at energies away from the $\mathrm{Z}$ pole energy yield a pole asymmetry and corresponding effective electroweak mixing angle of: \begin{eqnarray*} \mbox{$A_{\mathrm{FB}}^{0,\mathrm{b}}$} & = & 0.1015 \pm 0.0064(stat.) \pm 0.0035(sys.) \,, \\ %corel-6.nb \mbox{$\sin^{2}\bar{\theta}_{\mathrm{W}}$} & = & 0.2318 \pm 0.0013 \, .\\ %sin2tw-3.nb \end{eqnarray*}
Published: 1999
Full Text: View/download PDF

28. Test of CP invariance in Z→μ+μ−γ decay

Author: Marta Felcini, J. M. You, M. Vivargent, Z. A. Liu, R. van Gulik, A. Marin, G. Castellini, Yu Galaktionov, R. Ostonen, T. van Rhee, P. Extermann, E. Shumilov, A. Vorvolakos, Christoph Schäfer, B. Z. Yang, H. Hofer, A. Straessner, F. J. Eppling, D. O. Prokofiev, K. L. Tung, S. R. Hou, Stefan Roth, V. Koutsenko, Jasper Kirkby, M. A. Falagan, A. J.W. van Mil, H. Vogt, A. Kasser, H. Stone, S. M. Ting, R. Barillère, S. Palit, F. De Notaristefani, B. Hartmann, A. Hasan, A. Buffini, F. C. Erné, S. Ahlen, T. Moulik, N. Gheordanescu, E. Fiandrini, Y. H. Chang, G. Passaleva, J. Shukla, T. Angelescu, V. K. Gupta, W.G. Ma, Kati Lassila-Perini, A. Kopp, R. W. Kraemer, Christopher George Tully, V. Plyaskin, S. Patricelli, S. C. Tonwar, H. J. Yang, K. Riles, M. Pauluzzi, Alberto Aloisio, G. Sauvage, C. Mafia, Y. Karyotakis, A. Kirkby, G. Mirabelli, Z. Z. Xu, H. Schopper, J. Hirschfelder, P. Lacentre, J. Allaby, F. Muheim, D. Hatzifotiadou, E. Leonardi, L. Fredj, Claudia Cecchi, A. Klimentov, H. Suter, F. Cavallari, D. Boutigny, A.M. Cartacci, Francesca Nessi-Tedaldi, Adrian Biland, Y. J. Pei, S. Gentile, Mw Gruenewald, J. H. Field, B. Petersen, C. Palomares, M. N. Kienzle-Focacci, Luca Lista, O. Rind, P. Molnar, S. X. Wu, U. Becker, Dimitri Bourilkov, H. Milcent, L. Barone, X. L. Wang, C. Li, S. Bhattacharya, A. C. König, S. Schmidt-Kaerst, M. Rescigno, T. Siedenburg, H. Postema, K. Sudhakar, F. Marzano, G. Chen, P. Levtchenko, G. Rahal-Callot, Yu. Zalite, An. Zalite, C. Luci, K. Freudenreich, Panos A Razis, P. Marchesini, G. Schwering, J. Xu, V. Soulimov, A. Mihul, G. F. Susinno, Gyorgy Vesztergombi, V. P. Andreev, H. Nowak, R. Leiste, D. Migani, L. Boldizsar, S. Paoletti, A. Malinin, Oleg Fedin, A. Pevsner, K. Banicz, P. G. Rancoita, J. A. Rubio, B. Bertucci, C. Furetta, W. T. Lin, K. Mazumdar, M. Chemarin, G. Gratta, S. Goldfarb, J. Toth, A. Bay, S. C. Yeh, G. Sultanov, H. S. Chen, P. Bagnaia, G. Carlino, F. Ferroni, S. Giagu, S. C. Kim, P. Laurikainen, C. H. Lin, C. Lapoint, R. Mount, Pierluigi Paolucci, M. Biasini, A. Csilling, J. Goldstein, I. Korolko, Pierre Lecomte, H. K. Park, Marco Meschini, L. J. Gutay, M. Gataullin, F. Di Lodovico, G. Majumder, W. Lu, J. P. Ernenwein, T. Ferguson, E. J. Sanchez, A. Nisati, H. Hoorani, Samuel C.C. Ting, P. Duinker, P. Denes, F. L. Linde, Aaron Dominguez, Saverio Braccini, H. Anderhub, L. Luminari, L. Servoli, J. D. Burger, I. Vetlitsky, Zheng Wang, Nicola Cavallo, S. Shevchenko, M. Basile, P. A. Piroue, M. Schneegans, Felicitas Pauss, D. Kamrad, H. Vogel, J. Mnich, Werner Lustermann, P. de Jong, M. Pohl, R. Moore, L. Taylor, G. J. Bobbink, W. Wallraff, H. S. Fesefeldt, E. Pistolesi, J. M. Le Goff, F. Anselmo, G. Alemanni, J. Gerald, G. Zilizi, W. Krenz, J. Ulbricht, Alain Hervé, X. W. Tang, M. Yang, M. Lebeau, I. Vorobiev, F. Cesaroni, D. Pandoulas, C. Leggett, M. Capell, M. Diemoz, S. Rosier-Lees, D. van Dierendonck, Ph Rosselet, A. Barczyk, J. Berdugo, M. Bourquin, M. Chamizo, S. Riemann, W. J. Burger, V. Shoutko, S. Vlachos, E. Longo, J. P. Martin, P. Bartalini, A. Kunin, P. Le Coultre, J. Salicio, I. Duran, D. Luckey, P. Zemp, An.A. Vorobyov, P. Ladron de Guevara, D. Kiss, Z. F. Gong, Michael Dittmar, G. Hu, A. J.M. Muijs, Tariq Aziz, M. Acciari, J. G. Branson, R. Faccini, F. Ziegler, G. M. Bilei, G. Marian, Manjit Kaur, Carlo Civinini, K. Deiters, W. J. Metzger, Davide Piccolo, M. P. Sanders, H. El Mamouni, E. Valente, R. Bock, R. de Asmundis, C. Y. Chien, C. Dionisi, I. H. Park, V. Pojidaev, Y. Mi, D. Mangeol, L. Z. Sun, O. Adriani, A. Gougas, D. Sciarrino, G. Forconi, Luisa Cifarelli, B. De La Cruz, A. Robohm, R. A. Khan, A. Engler, A. Favara, A. Degré, M. Maity, D. Ren, D. Kim, J. Rodin, L. W. Jones, S. Nahn, M. G. Alviggi, R. Clare, X. D. Cai, L. Tauscher, A. Lavorato, G. Raven, C. Paus, Luciano Romero, F. Cotorobai, S. Falciano, M. Aguilar-Benitez, P. H. Fisher, W. W. Kinnison, W. Lohmann, T. Niessen, I. Clare, J. B. Ye, G. Viertel, Y. Uchida, Y. D. Oh, M. Rattaggi, S. Easo, J. J. Blaising, S. Banerjee, A. Böhm, D. H. Kim, Crisostomo Sciacca, A. Lebedev, Y. Zhou, B. Zhou, P. Berges, G. Coignet, Maria-Teresa Dova, Raffaello D'Alessandro, W. C. van Hoek, Frank Filthaut, Marco Pieri, J. Schwenke, I. C. Brock, J. K. Kim, P. Hidas, N. Colino, A. C. Weber, B. Smith, B. L. Betev, T. S. Dai, M. Chen, Y. Zeng, M. E. Sarakinos, B. P. Roe, A. Buijs, A. Chen, M. Fabre, B. Borgia, S. Mele, W. Kittel, S. C. Blyth, D. Ruschmeier, I. Iashvili, Sw. Banerjee, S. Costantini, D. Son, Leonardo Merola, H.F. Chen, Ian Fisk, Z. P. Zhang, A.P Colijn, Y. S. Lu, D.W. Schmitz, G.G.G. Massaro, K. Lübelsmeyer, S. Sakar, A. Shvorob, J. S. Kapustinsky, Joseph Quartieri, T. Azemoon, H. J. Lee, N. Raja, B. Stoyanov, B. N. Jin, S.S Gau, Vuko Brigljevic, A. Nippe, A. Gurtu, B. Monteleoni, G. Chiefari, R. Y. Zhu, E. Drago, J. Pothier, A. Arefiev, G. Organtini, Thomas Hebbeker, Paul Lecoq, T. Paul, Marcos Cerrada, M. Steuer, D. Kirkby, F. Behner, Andrea Baschirotto, J. C. Wang, G. Y. Zhu, Alessandra Doria, Hans Rykaczewski, M. Napolitano, S. Petrak, L. Malgeri, G. M. Chen, N. Scholz, M. Wadhwa, J. Alcaraz, D. Duchesneau, C. Timmermans, Francesco Becattini, U. K. Chaturvedi, S. Pensotti, Valery Schegelsky, Antonino Zichichi, F. Cindolo, P. Lebrun, S. Wynhoff, P. Spillantini, I. Josa-Mutuberria, Jean Fay, H. Newman, S. N. Ganguli, P. Garcia-Abia, G. Landi, D. P. Stickland, Nicolas Produit, S. Reucroft, D. Peach, D. J. Schotanus, M. von der Mey, J. Casaus, N. Shivarov, C. G. Yang, L. Baksay, J. Busenitz, G. Ambrosi, G. Pascale, Mario Campanelli, D. Perret-Gallix, J. D. Swain, R. Battiston, R. C. Ball, D. Haas, and G. Cara Romeo
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, photon radiation, 010308 nuclear & particles physics, Z decay, Electron–positron annihilation, Photon radiation, Detector, Física, Resonance, 01 natural sciences, CP invariance, Nuclear physics, L3 detector, 0103 physical sciences, CP violation, High Energy Physics::Experiment, 010306 general physics, Ciencias Exactas
Abstract: We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP violation in the reaction e+e-→ μ+μ-γ. No evidence for CP violation is found and limits on the CP-violating form factors fμA and fμV are derived., Facultad de Ciencias Exactas
Published: 1998
Full Text: View/download PDF

29. Measurement of W-pair cross sections in e+e− interactions at =183 and W-decay branching fractions

Author: M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, S. Banerjee, Sw. Banerjee, K. Banicz, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, M. Diemoz, D.van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, P. Duinker, I. Duran, S. Easo, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, B. Hartmann, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, R.A. Khan, D. Kamrad, J.S. Kapustinsky, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, R.W. Kraemer, W. Krenz, A. Kunin, P. Lacentre, P. Ladron de Guevara, I. Laktineh, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, A. Lavorato, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M.von der Mey, D. Migani, A. Mihul, A.J.W. van Mil, H. Milcent, G. Mirabelli, J. Mnich, P. Molnar, B. Monteleoni, R. Moore, T. Moulik, R. Mount, G.S. Muanza, F. Muheim, A.J.M. Muijs, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nippe, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, R. Ostonen, S. Palit, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, M. Pedace, Y.J. Pei, S. Pensotti, D. Perret-Gallix, B. Petersen, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D. Prokofiev, J. Quartieri, G. Rahal-Callot, N. Raja, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, S. Rosier-Lees, S. Roth, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Sakar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, N. Scholz, H. Schopper, D.J. Schotanus, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, G. Viertel, M. Vivargent, S. Vlachos, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Z.M. Wang, A. Weber, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, J.M. You, An. Zalite, Yu. Zalite, P. Zemp, Y. Zeng, Z.P. Zhang, B. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, F. Ziegler, and G. Zilizi
Subjects: Physics, Branching (linguistics), Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Root (chord), 010306 general physics, 01 natural sciences
Published: 1998
Full Text: View/download PDF

30. Production of single W bosons in e+e− interactions at 130≤≤183 GeV and limits on anomalous WWγ couplings

Author: M. Rescigno, Tariq Aziz, Aaron Dominguez, F. Cesaroni, M. Chamizo, Felicitas Pauss, Ren-Yuan Zhu, Luciano Barone, Roberto Battiston, T. van Rhee, G. Marian, Emilio Leonardi, Gerjan Bobbink, B. De La Cruz, M. Vivargent, R. Bock, D. Sciarrino, A. Gurtu, J. Ulbricht, Crisostomo Sciacca, W. G. Ma, P. Le Coultre, M. Basile, G. Hu, A. M. Cartacci, J. J. Blaising, Speranza Falciano, Pàl Hidas, S. Bhattacharya, L. Malgeri, A. C. König, L. Baksay, F. Cotorobai, H. Anderhub, G. Cara Romeo, B. P. Roe, B. Hartmann, D. Mangeol, J. K. Kim, I. Clare, A. Hasan, D. Luckey, C. Cecchi, Francesca Cavallari, Z. A. Liu, L. Z. Sun, A. Vorvolakos, J. G. Xu, S. S. Gau, Lamberto Luminari, A. Favara, I. H. Park, Konrad Deiters, M. Gataullin, A. Stone, Z. Z. Xu, D. della Volpe, Alberto Aloisio, C. H. Lin, S. Vlachos, C-Q. Li, V. K. Gupta, V. Pojidaev, S. Roth, A. Pevsner, J. P. Martin, P. Molnar, S. Easo, Kati Lassila-Perini, J. Rodin, V. Plyaskin, A. Barczyk, B. Borgia, J. S. Kapustinsky, M. Campanelli, T. Niessen, Y. J. Pei, J. M. Le Goff, N. Gheordanescu, Adrian Biland, G. Ambrosi, Roger Moore, F. DeNotaristefani, G. Y. Zhu, E. Shumilov, Samuel C.C. Ting, P. Duinker, I. Korolko, Simonetta Gentile, A. Klimentov, R. Mount, S. Braccini, Pierre Lecomte, S. C. Blyth, P. Lebrun, Werner Lustermann, J. A. Rubio, H. K. Park, M. Pohl, X. W. Tang, C. Lapoint, R. Leiste, Z. M. Wang, Marcella Diemoz, P. A. Piroué, Georgi Sultanov, T. S. Dai, R. A. Khan, B. Zhou, Raffaello D'Alessandro, M. T. Dova, V. Shoutko, L. Cifarelli, A. C. Weber, Dimitri Bourilkov, D. Kamrad, Christoph Paus, L. J. Gutay, G. Castellini, A. Straessner, F. Ferroni, U. Becker, Luca Lista, Y. Zeng, G. Chiefari, M. Acciarri, Guo-Ming Chen, Manas Maity, S. Shevchenko, P. Spillantini, B. Petersen, G. Mirabelli, D. Kirkby, P. Zemp, J. M. You, A. Engler, R. de Asmundis, I. Fisk, B. Monteleoni, Leonardo Merola, A. Arefiev, J. Goldstein, Egidio Longo, P. Lacenter, R. Barillère, Juven Wang, Marco Pieri, M. Chemarin, N. Cavallo, G. M. Chen, P. G. Rancoita, F. Behner, P. Berges, M. Capell, Steve Nahn, Marco Meschini, Z. P. Zhang, A. Chen, E. Fiandrini, Gyorgy Vesztergombi, L. Tauscher, I. Duran, T. Azemoon, K. Lübelsmeyer, Igor Vorobiev, C. Palomares, H. S. Fesefeldt, E. Pistolesi, R. R. McNeil, Z. F. Gong, D. Kim, Andrea Baschirotto, S. Palit, Pierluigi Paolucci, Gobinda Majumder, B. N. Jin, P. Marchesini, A. Nippe, D. Kiss, V. Brigljevic, D. van Dierendonck, J. Salicio, Alexander Malinin, Kajari Mazumdar, Bryan R. Smith, X. D. Cai, Sabine Riemann, F. C. Erné, H. Nowak, Pablo Garcia-Abia, P. Levtchenko, Alessandra Doria, Panos A Razis, A. Buffini, W. J. Burger, Marcos Cerrada, H. Vogt, W. Kittel, K. Freudenreich, G. Carlino, D.W. Schmitz, G. Pascale, Michael Dittmar, Aleandro Nisati, P. de Jong, N. Shivarov, K. Sudhakar, D. O. Prokofiev, Alain Hervé, P. Bartalini, S. P. Ahlen, A. Lebedev, Dong-Chul Son, F. J. Eppling, L. W. Jones, P. H. Fisher, J. Hirschfelder, Yu. Galaktionov, Robert Clare, Joseph Quartieri, J. D. Swain, F. L. Linde, Howard A. Stone, A. Bay, J. Alcaraz, Stefano Giagu, U. K. Chaturvedi, S. M. Ting, Christopher George Tully, Jasper Kirkby, M. A. Falagan, A. J.W. van Mil, A. Buijs, W. Wallraff, J. Berdugo, E. J. Sanchez, Harvey B Newman, Anna Katharina Kopp, M. von der Mey, D. Peach, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, C. Maña, I. C. Brock, Giovanni Passaleva, M. Napolitano, S. Petrak, An. Zalite, J. P. Ernenwein, Y. S. Lu, A. Shvorob, J. B. Ye, Dong-Hyun Kim, G. F. Susinno, S. Banerjee, G. Zilizi, Carlo Civinini, R. Faccini, Y. Uchida, V. Koutsenko, A. Böhm, I. Vetlitsky, A. Mihul, G. Alemanni, Wolfgang Lohmann, B. Bertucci, Maurizio Biasini, G. Raven, Marta Felcini, S. C. Kim, E. Valente, N. Scholz, J. H. Field, X. L. Wang, G. G.G. Massaro, D. Duchesneau, H. S. Chen, L. Servoli, H. El Mamouni, K. Riles, C. Furetta, M. Pauluzzi, W. W. Kinnison, S. C. Yeh, M. P. Sanders, B. L. Betev, F. Di Lodovico, M. Fabre, Francesco Becattini, C. Y. Chien, A. Kirkby, B. Stoyanov, F. Marzano, G. Coignet, G. Landi, G. Viertel, S. R. Hou, M. Wadhwa, F. Anselmo, Nicanor Colino, G. Forconi, Vladimir Andreev, Simone Paoletti, D. Ruschmeier, A. Kunin, A. J.M. Muijs, D. Ren, A. Lavorato, J. Shukla, Hans J. Vogel, M. Aguilar-Benitez, Mingming Yang, D. J. Schotanus, Herwig Schopper, W. Krenz, Jozsef Toth, Claudio Luci, Manjit Kaur, Hafeez R Hoorani, Y. D. Oh, J. Schwenke, W. T. Lin, S. Costantini, W. J. Metzger, S. Goldfarb, A. P. Colijn, D. Pandoulas, R. van Gulik, C. Dionisi, X. Chereau, D. Haas, T. Paul, C. J.W.P. Timmermans, G. Gratta, P. Extermann, Salvatore Mele, H. Postema, H. J. Lee, M. E. Sarakinos, P. Laurikainen, Christoph Schäfer, B. Z. Yang, H. Hofer, M. N. Kienzle-Focacci, H. J. Yang, H. F. Chen, S. X. Wu, S. Wynhoff, J. G. Branson, S. N. Ganguli, K. L. Tung, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, A. Csilling, J. Busenitz, Peter Denes, D. Migani, Paolo Bagnaia, M. Lebeau, A. Degré, Oleg Fedin, S. Reucroft, S. Rosier-Lees, Davide Piccolo, W. Lu, P. Ladron de Guevara, R. Ostonen, G. M. Bilei, Jean Fay, Federico Cindolo, A. Marin, M. Rattaggi, M. Steuer, F. Muheim, Nicolas Produit, A. Button, J.V. Allaby, S. Patricelli, S. C. Tonwar, W. C. van Hoek, A. Gougas, D. Hatzifotiadou, Frank Filthaut, Thomas Ferguson, Laszlo Boldizsar, K. Banicz, L. Fredj, T. Angelescu, D. Perret-Gallix, J. Casaus, M. W. Gruenewald, I. Josa-Mutuberria, C. G. Yang, J. Pothier, Yu. Zalite, G. Schwering, An.A. Vorobyov, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, M. G. Alviggi, S. Schmidt-Kaerst, H. Milcent, T. Moulik, D. P. Stickland, F. Ziegler, Y. H. Chang, Francesca Nessi-Tedaldi, J. D. Burger, T. Siedenburg, G. Rahal-Callot, N. Raja, H. Suter, Ia Iashvili, L. Romero, M. Bourquin, Joachim Mnich, and A. Robohm
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Missing energy, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Gauge (firearms), 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), 010306 general physics, Lepton, Boson
Abstract: We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final states with a single energetic lepton or two hadronic jets. The measured cross sections at five different centre-of-mass energies are consistent with the Standard Model expectations. The following limits on the anomalous WW γ gauge couplings are derived at 95% CL: −0.46 Δκ γ λ γ
Published: 1998
Full Text: View/download PDF

31. Upper limit on the lifetime difference of shortlived and longlived B0(S) mesons

Author: C. Lapoint, A. Straessner, H. El Mamouni, Luca Lista, Juven Wang, F. Di Lodovico, J. M. You, M. Rescigno, Mingshui Chen, J. Gerald, Z. A. Liu, R. Faccini, A. Buijs, A. Vorvolakos, Willis Lin, D. Migani, X. L. Wang, G. G.G. Massaro, Sabine Riemann, Oleg Fedin, J. G. Xu, S. C. Blyth, M. Pauluzzi, M. Vivargent, D. Piccolo, Peter H. Fisher, J. Busenitz, Marco Meschini, D. Kirkby, Stefan Roth, A. Pevsner, D. Ren, A. Lavorato, J. Shukla, V. Koutsenko, Christopher George Tully, S. S. Gau, E. Drago, M. Gataullin, L. Romero, H. Anderhub, Aleandro Nisati, R. Leiste, Christoph Paus, Wolfgang Lohmann, H. Vogt, A. M. Cartacci, A. P. Colijn, J. M. Le Goff, M. N. Kienzle-Focacci, V. K. Gupta, Joseph Quartieri, B. Bertucci, S. C. Kim, F. Anselmo, Nicanor Colino, W. J. Burger, A. C. König, M. Bourquin, S. Pensotti, Valery Schegelsky, Antonino Zichichi, A. Lebedev, Dong-Chul Son, H. Rykaczewski, N. Gheordanescu, Giovanni Organtini, S. Braccini, D. Ruschmeier, B. Monteleoni, T. Angelescu, J. Casaus, O. Rind, Michael Dittmar, A. Csilling, J. J. Blaising, Alessandra Doria, F. DeNotaristefani, G. Landi, Joel Goldstein, J. Hirschfelder, P. Rosselet, F. Muheim, F. Behner, Stefano Giagu, G. S. Muanza, F. Ferroni, Y. Zeng, Jean Fay, P. Laurikainen, Igor Vorobiev, Joachim Mnich, P. Levtchenko, Panos A Razis, D. Boutigny, M. Schneegans, Bryan R. Smith, K. Sudhakar, Peter Denes, J. D. Swain, J. A. Rubio, N. Scholz, D. Peach, Nicolas Produit, R. Barillère, G. Ambrosi, P. L. de Guevara, Roger Moore, Y. J. Pei, Simone Paoletti, A. J.M. Muijs, Manjit Kaur, C. Dionisi, S. R. Hou, M. Wadhwa, D. J. Schotanus, Paolo Bagnaia, Dimitri Bourilkov, Manas Maity, P. Berges, Steve Nahn, G. Cara Romeo, B. P. Roe, S. P. Ahlen, P. Zemp, R. de Asmundis, I. Fisk, D. Kim, A. Favara, I. H. Park, Z. Z. Xu, C. H. Lin, V. Pojidaev, S. Reucroft, A. Robohm, A. Kunin, C. Cecchi, C. Palomares, A. Nippe, Alexander Malinin, A. Böhm, Georgi Sultanov, Fl Linde, T. S. Dai, R. A. Khan, Y. Karyotakis, Hafeez R Hoorani, Y. Uchida, M. von der Mey, J. B. Ye, Pablo Garcia-Abia, B. Borgia, R. Mount, J. Berdugo, E. J. Sanchez, W. Lu, Federico Cindolo, S. Villa, H. Milcent, M. Pohl, V. Soulimov, V. P. Andreev, A. Kasser, I. Vetlitsky, S. C. Tonwar, Howard A. Stone, G. Forconi, D.W. Schmitz, G. Pascale, P. de Jong, N. Shivarov, C. G. Yang, J. Pothier, Yu. Zalite, W. J. Metzger, H. K. Park, Alain Hervé, M. Chemarin, Francesca Cavallari, C. Leggett, Y. Zhou, P. Molnar, Lamberto Luminari, N. Cavallo, P. Spillantini, B. Petersen, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, Robert Clare, Jozsef Toth, Claudio Luci, G. Sauvage, W. G. Ma, Thomas Hebbeker, S. Goldfarb, W. C. van Hoek, Frank Filthaut, G. M. Chen, A. Barczyk, Thomas Ferguson, T. Moulik, G. Castellini, H. F. Chen, J. P. Martin, Aaron Dominguez, L. Taylor, M. P. Sanders, B. L. Betev, J. G. Branson, D. Pandoulas, M. W. Gruenewald, I. Josa-Mutuberria, Paul Lecoq, R. W. Kraemer, M. Napolitano, S. Petrak, Adrian Biland, D. Haas, An. Zalite, R. C. Ball, Felicitas Pauss, G. Y. Zhu, E. Shumilov, Pierre Lecomte, G. Gratta, Egidio Longo, Z. F. Gong, P. Bartalini, D. P. Stickland, F. Ziegler, Y. H. Chang, S. N. Ganguli, S. Rosier-Lees, D. Kamrad, D. H. Kim, V. Shoutko, P. Le Coultre, A. Bay, Maurizio Biasini, Marta Felcini, A. Degré, D. Duchesneau, H. S. Chen, L. Servoli, Gobinda Majumder, G. Chiefari, Marco Pieri, Werner Lustermann, Charles Timmermans, Kajari Mazumdar, Francesca Nessi-Tedaldi, S. Shevchenko, Roberto Battiston, Francesco Becattini, Harvey B Newman, S. Vlachos, W. Kittel, D. O. Prokofiev, G. Marian, A. C. Weber, J. D. Burger, T. Siedenburg, M. Rattaggi, Andrea Baschirotto, G. Rahal-Callot, G. Schwering, Carlo Civinini, X. D. Cai, Y. D. Oh, Pierluigi Paolucci, D. Mangeol, J. K. Kim, N. Raja, D. Luckey, J. Rodin, J. S. Kapustinsky, G. F. Susinno, T. Niessen, Jasper Kirkby, M. A. Falagan, A. Engler, Gerjan Bobbink, G. Raven, H. J. Yang, J. Ulbricht, C. Furetta, R. van Gulik, An.A. Vorobyov, D. Kiss, G. Mirabelli, P. Extermann, Salvatore Mele, M. Capell, H. Suter, Ia Iashvili, Christoph Schäfer, B. Z. Yang, H. Hofer, F. Cesaroni, K. L. Tung, F. C. Erné, M. Fabre, A. J.W. van Mil, K. Lübelsmeyer, H. S. Fesefeldt, E. Pistolesi, Mingming Yang, M. Aguilar-Benitez, S. Wynhoff, O. Adriani, L. J. Gutay, Anna Katharina Kopp, M. G. Alviggi, S. X. Wu, M. Chamizo, Zheng Wang, K. Freudenreich, U. Becker, A. Buffini, Zhenyu Zhang, S. Easo, Giovanni Passaleva, Kati Lassila-Perini, Herwig Schopper, V. Plyaskin, M. E. Sarakinos, Emilio Leonardi, R. Bock, I. Clare, D. Sciarrino, S. Sakar, M. Basile, C. Maña, M. T. Dova, I. C. Brock, I. Duran, A. Gougas, P. Payat, H. Postema, L. Baksay, F. Cotorobai, F. J. Eppling, L. W. Jones, M. Steuer, S. M. Ting, C. Li, K. Banicz, D. Perret-Gallix, U. K. Chaturvedi, R. Ostonen, A. Marin, A. Arefiev, G. M. Bilei, G. Carlino, J.V. Allaby, S. Patricelli, D. Hatzifotiadou, Laszlo Boldizsar, Pàl Hidas, S. Bhattacharya, K. Riles, Y. S. Lu, L. Z. Sun, F. Marzano, G. Coignet, W. Krenz, A. Shvorob, E. Valente, J. H. Field, G. Viertel, Hans J. Vogel, J. Schwenke, C. Y. Chien, A. Kirkby, S. Costantini, M. Campanelli, H. J. Lee, Marcella Diemoz, L. Cifarelli, B. Stoyanov, S. Schmidt-Kaerst, P. Marchesini, Samuel C.C. Ting, P. Duinker, I. Korolko, Simonetta Gentile, V. Brigljevic, A. Klimentov, B. De La Cruz, G. Hu, Speranza Falciano, G. Zilizi, P. Lebrun, M. Acciarri, Guo-Ming Chen, A. Chen, D. van Dierendonck, J. Salicio, M. Lebeau, Ren-Yuan Zhu, Luciano Barone, M. Pedace, T. van Rhee, A. Gurtu, B. Hartmann, A. Hasan, Raffaello D'Alessandro, Leonardo Merola, L. Tauscher, T. Azemoon, T. Paul, Marcos Cerrada, Y. Mi, Tariq Aziz, Yu. Galaktionov, J. Alcaraz, A. Mihul, G. Alemanni, W. W. Kinnison, S. C. Yeh, Crisostomo Sciacca, Konrad Deiters, Alberto Aloisio, L. Fredj, X. W. Tang, P. A. Piroué, B. Zhou, P. G. Rancoita, B. N. Jin, H. Nowak, W. Wallraff, S. Banerjee, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Acciarri, M., Adriani, O., Aguilar Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Ball, R. C., Banerjee, S., Banicz, K., Barczyk, A., Barillere, R., Barone, L., Bartalini, P., Baschirotto, A., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Bilei, G. M., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bock, R., Bohm, A., Boldizsar, L., Borgia, B., Bourilkov, D., Bourquin, M., Boutigny, D., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Busenitz, J., Cai, X. D., Campanelli, M., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chiefari, Giovanni, Chien, C. Y., Cifarelli, L., Cindolo, F., Civinini, G., Clare, I., Clare, R., Coignet, G., Colijn, A. P., Colino, N., Costantini, S., Cotorobai, F., B. d., La, Csilling, A., Dai, T. S., D'Alessandro, R., Asmundis, R. d., Degre, A., Deiters, K., Denes, P., Denotaristefani, F., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Easo, S., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabre, M., Faccini, R., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisk, I., Forconi, G., Fredj, L., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gau, S. S., Gentile, S., Gerald, J., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hidas, P., Hirschfelder, J., Van, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Iashvili, I., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzle Focacci, M. N., Kim, D., Kim, D. H., Kim, J. K., Kim, S. C., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., Korolko, I., Koutsenko, V., Kraemer, R. W., Krenz, W., Kunin, A., Lacentre, P., P. L., De, Landi, G., Lapoint, C., Lassila Perini, K., Laurikainen, P., Lavorato, A., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., Lee, H. J., Leggett, C., J. M., Le, Leiste, R., Leonardi, E., Levtchenko, P., Li, C., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Lu, W., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Majumder, G., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Marchesini, P., Marian, G., Marin, A., Martin, J. P., Marzano, F., G. G. G., Mazumdar, K., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mi, Y., Migani, D., Mihul, A., A. J. W., Milcent, H., Mirabelli, G., Mnich, J., Molnar, P., Monteleoni, B., Moore, R., Moulik, T., Mount, R., Muanza, G. S., Muheim, F., A. J. M., Nahn, S., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Y. D., Oh, Organtini, G., Ostonen, R., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Peach, D., Pedace, M., Pei, Y. J., Pensotti, S., Perret Gallix, D., Petersen, B., Petrak, S., Pevsner, A., Piccolo, D., Pieri, M., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Pothier, J., Produit, N., Prokofiev, D., Quartieri, J., Rahal Callot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Rhee, T. v., Riemann, S., Riles, K., Rind, O., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosier Lees, S., Rosselet, P., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Sakar, S., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sauvage, G., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schneegans, M., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Soulimov, V., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, H., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Tang, X. W., Tauscher, L., Taylor, L., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Valente, E., Vesztergombi, G., Vetlitsky, I., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, J. C., Wang, X. L., Wang, Z. M., Weber, A., S. X., Wu, Wynhoff, S., Xu, J., Z. Z., Xu, Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., J. B., Ye, Yeh, S. C., You, J. M., Zalite, A., Zalite, Y., Zemp, P., Zeng, Y., Zhang, Z. P., Zhou, B., Zhou, Y., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., Zilizi, G., IHEF (IoP, FNWI), and L3 (IHEF, IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, Meson, LUND MONTE-CARLO, Electron–positron annihilation, Hadron, AVERAGE LIFETIME, PRECISION-MEASUREMENT, OSCILLATION FREQUENCY, MIXING PARAMETER, 01 natural sciences, B-HADRON LIFETIME, JET FRAGMENTATION, Nuclear physics, Rate difference, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Limit (mathematics), 010306 general physics, Z-DECAYS, L3 EXPERIMENT, Physics, 010308 nuclear & particles physics, SEMILEPTONIC DECAYS, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3 experiment at LEP. A lifetime fit has been performed on data samples separately enriched in neutral and charged b hadrons. An experimental upper limit on the decay rate difference of short- and long-lived $\rm B^0_s$ mesons of \begin{displaymath} ~~~~ {\rm (|\Delta\Gamma|/\Gamma)_{B^0_s}} < 0.67 ~~~~~~~\mathrm{(95\% \; C.L.)} \end{displaymath} has been determined. In addition, the lifetimes of $\rm B^+$ and $\rm B^0_d$ mesons have been measured to be $\tau(\rm B^+) = 1.66 \pm 0.06 \, \pm 0.03 \; \mathrm{ps}$ and $\tau(\rm B^0_d) = 1.52 \pm 0.06 \, \pm 0.04 \; \mathrm{ps}$, where the first errors are statistical and the second are systematic.
Published: 1998
Full Text: View/download PDF

32. Single and multi-photon events with missing energy in e+e− collisions at 161 < < 172

Author: H. Nowak, P. Paolucci, R. Leiste, H. Hoorani, I. Duran, P. Duinker, K. Banicz, D. Piccolo, I. Korolko, J. Casaus, J. M. Le Goff, E. Valente, W. van Rossum, Y. Karyotakis, A. Nisati, G. Schwering, J.M. You, H. El Mamouni, M. Chamizo, X. D. Cai, S. Müller, A. Klimentov, K. Jenkes, S Nahn, Georgi Sultanov, Maurizio Biasini, L. Merola, S. X. Wu, D. Mangeol, A. Kasser, E. Longo, S Sarkar, Manjit Kaur, L. W. Jones, B. Petersen, D. Luckey, X. L. Wang, A. Favara, Yu.K. Zalite, An. Zalite, J. Allaby, Ph. Rosselet, S Dutta, P. G. Rancoita, J. G. Branson, Francesco Becattini, Fj Eppling, D. Kim, R. Battiston, D. Ren, Y. D. Oh, M. Steuer, A. C. König, P. Marchesini, P. Schmitz, W. J. Metzger, M. P. Sanders, Y.G. Kim, M. Chemarin, F. Muheim, D. Kamrad, A. Degré, U. K. Chaturvedi, B. N. Jin, M. Diemoz, Y. J. Pei, A. Gurtu, B. Monteleoni, A. Barczyk, A. Buijs, S. Banerjee, F. Wittgenstein, J. Ulbricht, P. H. Fisher, F. Cesaroni, C. Maña, H. Vogel, J. C. Pinto, C. G. Yang, D.W. Schmitz, G.G.G. Massaro, N. Shivarov, Robert Clare, D Hatzifotiadou, Thomas Hebbeker, Paul Lecoq, S. Petrak, D. Duchesneau, A. Doria, J. Alcaraz, K. Freudenreich, P. Bartalini, J. Shukla, V. Innocente, P. A. Piroue, M. Aguilar-Benitez, L. Boldizsar, B. Bertucci, W. Wallraff, Kati Lassila-Perini, W. Lustermann, V. Plyaskin, C. Luci, Z. Z. Xu, A. Hasan, G. Landi, A. Straessner, Maria-Teresa Dova, Raffaello D'Alessandro, A. Kopp, M. Rattaggi, V. Schegelsky, Y Uchida, D. Ruschmeier, Sw. Banerjee, S. Costantini, Dimitri Bourilkov, L. Barone, M. Bourquin, A. Sopczak, R. W. Kraemer, Juven Wang, M. N. Kienzle-Focacci, Samuel C.C. Ting, O. Adriani, Vladimir Andreev, T. Moulik, Luisa Cifarelli, D. della Volpe, B. P. Roe, W. Lu, W. Kittel, F. Behner, Michael Dittmar, R. T. Van de Walle, R. Bock, D. Sciarrino, K. Read, R. A. Khan, F. Cotorobai, Aaron Dominguez, Felicitas Pauss, G. Chen, Andrea Baschirotto, S. Pensotti, G. Cara Romeo, F. Filthaut, T. Ferguson, T. Azemoon, P. Spillantini, S. Rosier-Lees, P Laurikainen, P. Le Coultre, G. Majumder, P. Lebrun, S. Wynhoff, U. Becker, M. Pohl, G. J. Bobbink, L. Z. Sun, M. Pauluzzi, K. Riles, X Chereau, Lucas Taylor, G. Carlino, C. Tully, A. Robohm, Suresh C Tonwar, F Cindolo, C. Dionisi, L Tauscher, T. Paul, E. Leonardi, J. Berdugo, A. Button, W. T. Lin, Steven Goldfarb, G. Passaleva, C. Palomares, Igor Vorobiev, M. Rescigno, F. Marzano, Z. A. Liu, N. Scholz, X. Y. Yao, S.V. Chekanov, A. Engler, A. Nippe, Gyorgy Vesztergombi, Marta Felcini, F. Cavallari, Yu. Galaktionov, L. Malgeri, N. Raja, J. Goldstein, Alexander Malinin, R. Barillère, M. Wadhwa, V. Koutsenko, F. C. Erné, Jean Fay, T. Angelescu, H. S. Chen, Mario Campanelli, Christoph Paus, D. Peach, S. N. Ganguli, H. K. Park, S.S Gau, J. D. Burger, G. Castellini, A.M. Cartacci, H. Tuchscherer, Y. Zeng, S. Easo, J. P. Ernenwein, P. de Jong, V. K. Gupta, W.G. Ma, B. L. Betev, Vuko Brigljevic, A. Böhm, Hans Rykaczewski, D. P. Stickland, R. Mount, B. C. Smith, G. Coignet, Francesca Nessi-Tedaldi, P. Razis, E. Sanchez, A. Vorvolakos, John Swain, S. M. Ting, G. Alemanni, S. Riemann, I. Laktineh, Nicolas Produit, Zheng Wang, P. Denes, N. Cavallo, Alain Hervé, S. Ahlen, G. M. Chen, Yu. Kamyshkov, J. Mnich, C. H. Lin, W. J. Burger, Jasper Kirkby, N. Gheordanescu, A. Arefiev, I. Josa-Mutuberria, A. J.M. Muijs, M Basile, S.J. Hong, Yu. Efremenko, M. Sassowsky, A. J.W. van Mil, A. Buffini, S. C. Yeh, S. Bhattacharya, S. Reucroft, R. de Asmundis, S. C. Blyth, Tariq Aziz, F. Di Lodovico, A. Zichichi, A. Bay, T. Siedenburg, J. Tóth, M. von der Mey, A. Kunin, P. Garcia-Abia, R. Völkert, Mw Gruenewald, Pierre Lecomte, R.R McNeil, J. B. Ye, G. M. Bilei, L. Romero, S Mangla, M. Fabre, G. Rahal-Callot, G. Organtini, Carlo Civinini, M. E. Sarakinos, C. Sciacca, D. Perret-Gallix, D. J. Schotanus, Z Zhang, J. Busenitz, M. Vivargent, H. Anderhub, L. Luminari, D. Kirkby, X. W. Tang, A. Shvorob, G. Forconi, J. K. Kim, A. C. Weber, S. Braccini, J Rodin, G. Raven, D. DiBitonto, R Ostonen, D. Kiss, Z. F. Gong, G. Gratta, K. Strauch, A. Pevsner, S. Morganti, G. Hu, A. Chen, G. Chiefari, D. Prokofiev, A. Mihul, W.W. Kinnison, M. Napolitano, M. Lebeau, P. Levtchenko, W. Krenz, D. Son, D. Pandoulas, H.F. Chen, F Anselmo, B. Zhou, S. Mele, S. Roth, L. Baksay, A. Gougas, F. Ferroni, S. Giagu, M. Cerrada, A. Marin, S. Patricelli, D. H. Kim, Marco Pieri, P. Extermann, Christoph Schäfer, B. Z. Yang, H. Hofer, K. Lübelsmeyer, S. Shevchenko, P. Zemp, H. Postema, C. Y. Chien, S. Paoletti, I. Clare, T.S. Dai, R. Faccini, V. Pojidaev, H. Vogt, K. L. Tung, H. Opitz, L. Fredj, F. DeNotaristefani, George Alverson, S. Falciano, K. Deiters, L. Servoli, J. Xu, F. L. Linde, G. Ambrosi, S. R. Hou, A. Stone, W. Lohmann, M.G. Alviggi, C Lapoint, F. Ziegler, D. McNally, M. Maity, P. Berges, J. S. Kapustinsky, B. Fenyi, Z. P. Zhang, A.P Colijn, G. F. Susinno, T. Niessen, I. H. Park, G. Viertel, G. Pascale, C. Furetta, A.A. Vorobyov, L. Lista, G. Y. Zhu, E. Shumilov, P. Ladron de Guevara, Y. Mi, O. Fedin, J. Schwenke, I. C. Brock, S. C. Kim, V. Shoutko, E. Fiandrini, Y. H. Chang, R.Y. Zhu, Claudia Cecchi, M. Tonutti, W. C. van Hoek, Marco Meschini, L. J. Gutay, G. Mirabelli, Adrian Biland, K. Sudhakar, J. A. Rubio, B de la Cruz, Y. S. Lu, A. Csilling, M. Capell, R. Moore, H. Schopper, H. Newman, H. Suter, H. S. Fesefeldt, E. Pistolesi, N. Colino, J. P. Martin, A. Aloisio, A. Lebedev, S. Gentile, J. J. Blaising, A. Kirkby, H. Stone, B. Borgia, Ian Fisk, I. Vetlitsky, J. H. Field, C. Li, B. Stoyanov, S. Schmidt-Kaerst, H.O. Cohn, T. van Rhee, V. Commichau, B. Hartmann, P. Bagnaia, M. Acciarri, U. Uwer, D. van Dierendonck, J. Salicio, and P. Molnar
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), Missing energy, Photon, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Physics beyond the Standard Model, Electron–positron annihilation, 01 natural sciences, Lower limit, Nuclear physics, 0103 physical sciences, Large Electron–Positron Collider, High Energy Physics::Experiment, 010306 general physics, Bar (unit)
Abstract: A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated luminosity. The results obtained are used to derive the value for the $\nu\bar{\nu}\gamma(\gamma)$ cross section as well as upper limits on new physics processes.
Published: 1997
Full Text: View/download PDF

33. Hard-photon production at = 161 and 172 GeV at LEP

Author: W. Lu, Federico Cindolo, S. Mangla, Roberto Battiston, Samuel C.C. Ting, D. Kamrad, A. Button, S. C. Tonwar, G. Chiefari, S. Shevchenko, W. C. van Hoek, Frank Filthaut, F. Behner, Andrea Baschirotto, F. C. Erné, P. Schmitz, Thomas Ferguson, G. Passaleva, M. W. Gruenewald, Sc Yeh, L. Romero, I. Josa-Mutuberria, Gerjan Bobbink, B. Borgia, G. Ambrosi, Alessandra Doria, G. Schwering, C. Dionisi, J. M. You, Wt Lin, Vladimir Andreev, M. Bourquin, Roger Moore, J. Ulbricht, S. Easo, Kati Lassila-Perini, Pablo Garcia-Abia, V. Plyaskin, V. Koutsenko, K. Strauch, Georgi Sultanov, T. S. Dai, R. A. Khan, Joachim Mnich, Alain Hervé, H. El Mamouni, N. Scholz, B. P. Roe, F. Di Lodovico, C. Cecchi, D.W. Schmitz, G. Pascale, S. R. Hou, Subir Sarkar, D. della Volpe, P. de Jong, M. Pohl, B. De La Cruz, G. Cara Romeo, A. Kasser, M. Wadhwa, Y. J. Pei, D. J. Schotanus, F. Cesaroni, A. Arefiev, Yu. Efremenko, T. Paul, K. Freudenreich, A. Robohm, J. G. Branson, A. Bay, Davide Piccolo, R. R. McNeil, S. N. Ganguli, G. Hu, J. Busenitz, A. Degré, N. Shivarov, Claudio Luci, Robert Clare, M. Rattaggi, Zhenghao Xu, Carlo Civinini, I. Clare, M. Chemarin, M. Chamizo, B. Fenyi, Peter Denes, Konrad Deiters, An.A. Vorobyov, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, A. Lebedev, Dong-Chul Son, G. M. Chen, M. T. Dova, M. Napolitano, G. Raven, Vincenzo Innocente, Yu. Galaktionov, M. Aguilar-Benitez, Ren-Yuan Zhu, J. Alcaraz, Aaron Dominguez, Stefano Giagu, H. O. Cohn, Paolo Bagnaia, T. Moulik, Bz Yang, Oleg Fedin, Luciano Barone, Herwig Schopper, K. Riles, M. Rescigno, Alberto Aloisio, J. J. Blaising, D. Ruschmeier, S. V. Chekanov, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, F. Marzano, Felicitas Pauss, D. Duchesneau, H. S. Chen, L. Servoli, Speranza Falciano, G. Coignet, W. Krenz, S. C. Blyth, Marco Meschini, Pierluigi Paolucci, H. Postema, T. van Rhee, P. Le Coultre, D. Kirkby, A. C. Weber, L. J. Gutay, M. Basile, U. Becker, R. Leiste, Christoph Paus, X. W. Tang, D. P. Stickland, F. Ziegler, A. Mihul, Dimitri Bourilkov, G. Alemanni, W. J. Burger, C. Maña, I. C. Brock, Mariagrazia Alviggi, P. A. Piroué, T. Angelescu, I. Vetlitsky, D. Mangeol, J. K. Kim, Christopher George Tully, H. Anderhub, A. Gurtu, A. Buijs, V. Commichau, S. X. Wu, B. Zhou, D. Luckey, B. Monteleoni, R. Barillère, I. Duran, B. Hartmann, G. F. Susinno, W. W. Kinnison, H. Vogt, Wolfgang Lohmann, J. Casaus, Yu. Kamyshkov, C. Furetta, B. Bertucci, Egidio Longo, H. Tuchscherer, S. C. Kim, J. C. Pinto, F. Wittgenstein, A. Hasan, F. J. Eppling, L. W. Jones, Tariq Aziz, D. DiBitonto, Ph. Rosselet, P. Spillantini, S. Braccini, M. Steuer, P. H. Fisher, F. Anselmo, Nicanor Colino, G. Mirabelli, H.F. Chen, Emilio Leonardi, Francesca Nessi-Tedaldi, Raffaello D'Alessandro, S. M. Ting, S. J. Hong, Howard A. Stone, K. Banicz, D. Perret-Gallix, B. Petersen, R. Ostonen, A. Marin, K. Lübelsmeyer, F. Ferroni, C. G. Yang, P. Zemp, Yu. Zalite, W. van Rossum, S. Pensotti, Valery Schegelsky, A. Barczyk, Antonino Zichichi, D. O. Prokofiev, S. P. Ahlen, Jasper Kirkby, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, J. D. Burger, T. Siedenburg, G. Rahal-Callot, H. Rykaczewski, Giovanni Organtini, M. Sassowsky, A. J.W. van Mil, R. de Asmundis, I. Fisk, D. Kim, Anna Katharina Kopp, N. Raja, Y. Zeng, Crisostomo Sciacca, S. S. Gau, R. Bock, Marco Pieri, G. Landi, Adrian Biland, Simone Paoletti, A. Buffini, Suchandra Dutta, A. J.M. Muijs, Zheng Wang, D. Sciarrino, Bryan R. Smith, Leonardo Merola, L. Tauscher, T. Azemoon, G. M. Bilei, Sw. Banerjee, S. Rosier-Lees, S. Petrak, Manjit Kaur, I. Vorobiev, P. Bartalini, P. Laurikainen, U. K. Chaturvedi, Lamberto Luminari, P. G. Rancoita, K. Sudhakar, X. Chereau, Y. S. Lu, H. Suter, Marcos Cerrada, B. N. Jin, J.V. Allaby, Y. Mi, H. Nowak, A. Shvorob, A. Stone, M. von der Mey, S. Patricelli, L. Baksay, Jean Fay, Aleandro Nisati, S. Bhattacharya, F. Cotorobai, P. Extermann, Christoph Schäfer, Harvey B Newman, H. Hofer, K. L. Tung, Pierre Lecomte, Xl Wang, W. Wallraff, J. B. Ye, P. Ladron de Guevara, D. Hatzifotiadou, J. Rodin, H. Opitz, Laszlo Boldizsar, Werner Lustermann, A. Engler, A. Malinin, M. Capell, J. H. Field, C. Y. Chien, L. Z. Sun, Nicolas Produit, A. Kirkby, Maurizio Biasini, S. Banerjee, Zp Zhang, C. Li, Marta Felcini, L. Fredj, Michael Dittmar, F. Muheim, Zhidong Zhang, M. Vivargent, B. Stoyanov, G. Forconi, H. S. Fesefeldt, E. Pistolesi, J.P. Ernenwein, Y. G. Kim, P. Duinker, I. Korolko, Simonetta Gentile, A. Kunin, J. D. Swain, S. Schmidt-Kaerst, Z. A. Liu, M. Campanelli, D. Peach, A. Gougas, M.E. Sarakinos, Hafeez R Hoorani, Y. H. Chang, Francesco Becattini, A. Vorvolakos, George Alverson, X. Y. Yao, A. Klimentov, P. Lebrun, A. Böhm, G. Gratta, J. G. Xu, K. Jenkes, Kenneth Francis Read, J. S. Kapustinsky, W. J. Metzger, Jozsef Toth, D. Pandoulas, M. Acciarri, Guo-Ming Chen, T. Niessen, F. L. Linde, S. Goldfarb, Luisa Cifarelli, U. Uwer, A. Chen, D. van Dierendonck, J. Salicio, Y. D. Oh, J. M. Le Goff, N. Gheordanescu, S. Reucroft, J. A. Rubio, P. Molnar, S. Wynhoff, A. Nippe, Marcella Diemoz, S. Mele, X. D. Cai, S. Müller, W.G. Ma, An. Zalite, V. K. Gupta, Gianpaolo Carlino, F. DeNotaristefani, P. Marchesini, D. Kiss, V. Brigljevic, Manas Maity, P. Berges, Steve Nahn, R. T. Van de Walle, Dong-Hyun Kim, E. Valente, D. McNally, R. Faccini, G. Viertel, G. G.G. Massaro, M. Pauluzzi, Hans J. Vogel, S. Morganti, D. Ren, J. Shukla, J. Schwenke, A. P. Colijn, Francesca Cavallari, S. Roth, A. Pevsner, S. Costantini, J. P. Martin, G. Y. Zhu, E. Shumilov, V. Shoutko, Gobinda Majumder, R. Völkert, M. Tonutti, P. Levtchenko, Panos A Razis, W. Kittel, Y. Karyotakis, J. Berdugo, E. J. Sanchez, M. Fabre, R. Mount, Nicola Cavallo, H. K. Park, G. Castellini, Z. F. Gong, M. N. Kienzle-Focacci, C. Lapoint, A. Csilling, M. Lebeau, A. Straessner, Luca Lista, Juven Wang, C. Palomares, Sabine Riemann, Y. Uchida, M. P. Sanders, B. L. Betev, A. M. Cartacci, A. C. König, Andre Sopczak, Joel Goldstein, A. Favara, I. H. Park, C. H. Lin, V. Pojidaev, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Burger, William, Paus-Cecchi, Claudia, Extermann, Pierre, Field, John, Fredj, Lotfi, Kienzle, Maria-Novella, Muheim, Franz, Produit, Nicolas, Sciarrino, Deborah, and Susinno, Gabriele
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, 010308 nuclear & particles physics, ddc:500.2, Interaction energy, 01 natural sciences, 7. Clean energy, Standard Model, Excited state, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Atomic physics, 010306 general physics
Abstract: We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3 detector in 1996 corresponding to total integrated luminosities of 10.7 ${\rm pb^{-1}}$ and 10.1 ${\rm pb^{-1}}$ respectively. The observed rates of events with two and more photons and the characteristic distributions are in good agreement with the Standard Model expectations. This is used to set lower limits on contact interaction energy scale parameters, on the QED cut-off parameters and on the mass of excited electrons.
Published: 1997
Full Text: View/download PDF

34. Search for heavy neutral and charged leptons in e+e− annihilation at =161 = 172

Author: T. Paul, J. G. Branson, R. Leiste, S. N. Ganguli, Christoph Paus, A. Degré, M. Rattaggi, B. Monteleoni, S. X. Wu, G. Passaleva, Bryan R. Smith, K. Sudhakar, E. Valente, Howard A. Stone, S. C. Blyth, D. McNally, M. von der Mey, J. B. Ye, D. DiBitonto, M. Steuer, G. Landi, G. Viertel, P. Extermann, Salvatore Mele, Simone Paoletti, Suchandra Dutta, A. J.M. Muijs, Manjit Kaur, P. Laurikainen, Lamberto Luminari, H. El Mamouni, F. Di Lodovico, D. Kirkby, U. K. Chaturvedi, Roberto Battiston, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, S. Easo, G. Cara Romeo, B. P. Roe, Hans J. Vogel, S. Morganti, Y. S. Lu, Y. G. Kim, C. Cecchi, G. Forconi, J. Schwenke, Kati Lassila-Perini, V. Plyaskin, S. Pensotti, Valery Schegelsky, Antonino Zichichi, A. Shvorob, K. Banicz, D. Perret-Gallix, Subir Sarkar, Gerjan Bobbink, B. Borgia, S. Costantini, Y. H. Chang, Y. J. Pei, Pierre Lecomte, S. S. Gau, George Alverson, D. della Volpe, Jozsef Toth, D. Pandoulas, J. Ulbricht, G. Gratta, W. van Rossum, Igor Vorobiev, A. Barczyk, Vincenzo Innocente, Raffaello D'Alessandro, S. Bhattacharya, J. S. Kapustinsky, T. Niessen, Oleg Fedin, H. Rykaczewski, Giovanni Organtini, M. Pohl, J. M. You, G. Schwering, P. Marchesini, M. T. Dova, A. Arefiev, C. Lapoint, Werner Lustermann, Yu. Efremenko, J. H. Field, C. Y. Chien, Alessandra Doria, A. Kirkby, D. Kiss, V. Brigljevic, Christopher George Tully, Leonardo Merola, A. C. Weber, H. O. Cohn, R. R. McNeil, A. Straessner, G. Carlino, B. Stoyanov, S. Schmidt-Kaerst, L. Z. Sun, Egidio Longo, S. Rosier-Lees, P. Levtchenko, H. Tuchscherer, Konrad Deiters, L. Tauscher, L. J. Gutay, T. Azemoon, A. Stone, U. Becker, Luca Lista, I. Clare, Adrian Biland, Ren-Yuan Zhu, Luciano Barone, S. Reucroft, S. V. Chekanov, Dimitri Bourilkov, Panos A Razis, Alberto Aloisio, V. Koutsenko, H. Anderhub, F. Ferroni, R. T. Van de Walle, Wolfgang Lohmann, B. Bertucci, Juven Wang, I. Duran, S. C. Kim, X. Chereau, Jean Fay, Y. Zeng, K. Riles, T. van Rhee, H. Vogt, C. Palomares, M. E. Sarakinos, Marcos Cerrada, Y. Mi, F. J. Eppling, L. W. Jones, Z. M. Wang, G. Mirabelli, P. Spillantini, R. Barillère, P. H. Fisher, Sabine Riemann, A. Gurtu, Marco Pieri, V. Commichau, Samuel C.C. Ting, P. Duinker, Nicolas Produit, S. M. Ting, S. J. Hong, F. Wittgenstein, Yu. Galaktionov, I. Korolko, Simonetta Gentile, K. Lübelsmeyer, S. Braccini, Dong-Hyun Kim, B. Petersen, X. W. Tang, P. A. Piroué, F. Marzano, G. Coignet, W. Krenz, B. Hartmann, F. Anselmo, Nicanor Colino, B. Zhou, A. Klimentov, N. Scholz, J. Alcaraz, K. Jenkes, P. Zemp, R. Ostonen, R. de Asmundis, I. Fisk, A. Hasan, A. Kunin, Y. Kamyshkov, Hafeez R Hoorani, Tariq Aziz, E. Fiandrini, Kenneth Francis Read, F. Muheim, S. R. Hou, M. Wadhwa, D. J. Schotanus, P. Ladron de Guevara, J. P. Ernenwein, Gyorgy Vesztergombi, Luca Malgeri, A. Buffini, D. Kim, A. Marin, G. M. Bilei, D. O. Prokofiev, P. Lebrun, Y. Uchida, F. C. Erné, P. Schmitz, W. Lu, S. P. Ahlen, Pierluigi Paolucci, M. Campanelli, W. J. Metzger, Federico Cindolo, S. Goldfarb, A. Mihul, S. Mangla, Michael Dittmar, A. Gougas, Jasper Kirkby, M. Acciarri, Guo-Ming Chen, K. Freudenreich, G. Alemanni, M. Sassowsky, W. J. Burger, A. J.W. van Mil, M. W. Gruenewald, M. P. Sanders, B. L. Betev, U. Uwer, J.V. Allaby, S. Patricelli, J. D. Swain, C. Dionisi, Anna Katharina Kopp, Pablo Garcia-Abia, Alain Hervé, I. Josa-Mutuberria, A. Chen, Y. Karyotakis, D. van Dierendonck, An.A. Vorobyov, J. Salicio, W. W. Kinnison, A. Button, Marcella Diemoz, M. Rescigno, D. Peach, A. Bay, D. Hatzifotiadou, J. Rodin, H. Opitz, Laszlo Boldizsar, L. Cifarelli, A. M. Cartacci, A. Engler, J. Berdugo, G. F. Susinno, B. De La Cruz, G. Hu, A. C. König, C. Maña, I. C. Brock, C. Furetta, Carlo Civinini, G. Raven, A. Böhm, L. Fredj, S. C. Tonwar, W. C. van Hoek, Andre Sopczak, Frank Filthaut, J. C. Pinto, E. J. Sanchez, A. Buijs, Joel Goldstein, M. Capell, Harvey B Newman, M. Aguilar-Benitez, Herwig Schopper, O. Adriani, H. Postema, Crisostomo Sciacca, J. J. Blaising, Francesca Cavallari, Imad Baptiste Laktineh, Lucas Taylor, Speranza Falciano, M. G. Alviggi, Thomas Ferguson, S. Roth, H. S. Fesefeldt, A. Favara, I. H. Park, Z. Z. Xu, E. Pistolesi, C. H. Lin, V. Pojidaev, P. Rosselet, M. Vivargent, T. Angelescu, A. Pevsner, P. Molnar, J. P. Martin, J. Casaus, P. Bartalini, G. Y. Zhu, E. Shumilov, D. Kamrad, G. Chiefari, P. G. Rancoita, Vladimir Andreev, D. Ruschmeier, S. Shevchenko, V. Shoutko, A. Lebedev, F. Behner, Andrea Baschirotto, C. G. Yang, Dong-Chul Son, Yu. Zalite, R. Völkert, M. Tonutti, Stefano Giagu, B. N. Jin, J. Busenitz, H. Nowak, R. Faccini, X. L. Wang, G. G.G. Massaro, Peter Denes, Paolo Bagnaia, I. Vetlitsky, M. Pauluzzi, D. Ren, J. Shukla, A. P. Colijn, W. Wallraff, S. Banerjee, Zp Zhang, D.W. Schmitz, G. Pascale, P. de Jong, N. Shivarov, Claudio Luci, Robert Clare, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, S. Petrak, D. Duchesneau, H. S. Chen, L. Servoli, A. Nippe, Francesca Nessi-Tedaldi, Alexander Malinin, J. D. Burger, T. Siedenburg, G. Ambrosi, G. Rahal-Callot, N. Raja, M. N. Kienzle-Focacci, A. Csilling, Roger Moore, M. Lebeau, Davide Piccolo, H. Suter, An. Zalite, Georgi Sultanov, Gobinda Majumder, Fl Linde, T. S. Dai, Maurizio Biasini, Sc Yeh, L. Romero, R. A. Khan, Marta Felcini, Wt Lin, M. Bourquin, K. Strauch, W. Kittel, Joachim Mnich, Francesco Becattini, Z. P. Zhang, A. Robohm, B. Fenyi, T. Moulik, Y. D. Oh, D. P. Stickland, F. Ziegler, X. D. Cai, S. Müller, H. F. Chen, M. Chemarin, N. Cavallo, S. Wynhoff, C-Q. Li, G. M. Chen, V. K. Gupta, M. Fabre, F. DeNotaristefani, R. Mount, Z. A. Liu, H. K. Park, G. Castellini, A. Vorvolakos, X. Y. Yao, Aleandro Nisati, J. G. Xu, Z. F. Gong, Manas Maity, P. Berges, Steve Nahn, Marco Meschini, J. M. Le Goff, N. Gheordanescu, J. A. Rubio, F. Cesaroni, M. Chamizo, Emilio Leonardi, R. Bock, D. Sciarrino, L. Baksay, F. Cotorobai, Aaron Dominguez, Felicitas Pauss, W. G. Ma, P. Le Coultre, M. Basile, D. Mangeol, J. K. Kim, D. Luckey, and A. Kasser
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, 01 natural sciences, Massless particle, Nuclear physics, MAJORANA, 0103 physical sciences, Large Electron–Positron Collider, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Lepton
Abstract: A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies s = 161 GeV and s 172 GeV with the L3 detector at LEP. No evidence for their existence was found. We exclude unstable neutral leptons of Dirac (Majorana) type for masses below 78.0 (66.7), 78.0 (66.7) and 72.2 (58.2) GeV, if the heavy neutrino couples to the electron, muon or tau family, respectively. We exclude unstable charged heavy leptons for masses below 81.0 GeV for a wide mass range of the associated neutral heavy lepton. The production of stable charged heavy leptons with a mass less than 84.2 GeV is also excluded. If the unstable charged heavy lepton decays via mixing into a massless neutrino, we exclude masses below 78.7 GeV.
Published: 1997
Full Text: View/download PDF

35. Measurement of hadron and lepton-pair production at 161 < < 172 at LEP

Author: B. L. Betev, Francesca Nessi-Tedaldi, F. Cesaroni, G. Landi, H. Anderhub, Alessandra Doria, M. Chamizo, T. Siedenburg, R. Y. Zhu, G. Rahal-Callot, Samuel C.C. Ting, N. Raja, Emilio Leonardi, S. Braccini, G. F. Susinno, R. Bock, D. Sciarrino, K. Schultze, Bryan R. Smith, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, S. C. Kim, J. Alcaraz, H. Suter, N. Scholz, R. A. Khan, S. R. Hou, M. Wadhwa, P. Zemp, M. von der Mey, P. Marchesini, S. Petrak, S. S. Gau, L. Baksay, F. Cotorobai, R. Leiste, J. B. Ye, M. Lebeau, C. Y. Chien, I. Fisk, D. Kim, V. Brigljevic, Christoph Paus, A. Mihul, W. J. Metzger, Luciano Barone, S. V. Chekanov, S. C. Blyth, J. Tóth, G. Alemanni, W. W. Kinnison, S. C. Yeh, F. Wittgenstein, P. Molnar, R. Ostonen, A. Marin, M. Bourquin, A. Stone, S. Patricelli, M. Rescigno, B. Monteleoni, T. van Rhee, A. Biland, Helmut Vogel, R. T. Van de Walle, G. Ambrosi, S. X. Wu, Y. Zeng, Gian Mario Bilei, Joachim Mnich, Andre Sopczak, X. W. Tang, M. Vivargent, Werner Lustermann, S. Riemann, Roger Moore, G. Forconi, A. Robohm, Georgi Sultanov, Dong-Hyun Kim, S. Mele, A. Malinin, R. Barillère, Joel Goldstein, D. DiBitonto, V. Commichau, J. S. Kapustinsky, Suresh C Tonwar, Ph. Rosselet, P. Bartalini, P. Duinker, D. J. Schotanus, X. L. Wang, D. Schmitz, F. Di Lodovico, I. Korolko, M. Steuer, M. N. Kienzle-Focacci, S. Müller, A. Klimentov, E. Valente, A. Favara, I. H. Park, S. J. Hong, P. Extermann, W. Kittel, K. Jenkes, C. H. Lin, V. Pojidaev, Raffaello D'Alessandro, B. Hartmann, Howard A. Stone, T.S. Dai, Kenneth Francis Read, P. Bagnaia, B. Fenyi, A. Csilling, K. L. Tung, O. Adriani, M. Chemarin, P. Lecomte, Christoph Schäfer, B. Z. Yang, S. Morganti, K. Banicz, D. McNally, D. Perret-Gallix, David Stickland, P. G. Rancoita, Imad Baptiste Laktineh, S. Reucroft, Lucas Taylor, A. Hasan, L. Tauscher, C. Lapoint, R. de Asmundis, G. M. Chen, H.F. Chen, L. Luminari, T. Azemoon, T. Moulik, J. K. Kim, S. M. Ting, Oleg Fedin, Gobinda Majumder, Z. A. Liu, A. Vorvolakos, A. Arefiev, Yu. Efremenko, B. De La Cruz, A. Straessner, X. Y. Yao, Roberto Battiston, Luca Lista, R. R. McNeil, Marcos Cerrada, K. Lübelsmeyer, Y. Mi, Axel König, F. Ziegler, J. G. Xu, M. Pauluzzi, Despina Hatzifotiadou, T. Angelescu, Aleandro Nisati, I. C. Brock, F. C. Erné, P. Schmitz, Y. Galaktionov, D. Ruschmeier, B. Borgia, M. T. Dova, B. N. Jin, J. Ulbricht, C. Maña, Dimitri Bourilkov, D. O. Prokofiev, I. Duran, James G Branson, Juven Wang, Willis Lin, W. Krenz, A. Buffini, M. Acciarri, Guo-Ming Chen, Y. Karyotakis, Francesca Cavallari, F. Muheim, Zhidong Zhang, C. G. Yang, J. Casaus, Yu. Kamyshkov, D. Kamrad, Z. Z. Xu, D. Pandoulas, S. Ahlen, W. J. Burger, C. Dionisi, Michael Dittmar, Aaron Dominguez, J.V. Allaby, G. Cara Romeo, I. Clare, B. Petersen, Gyorgy Vesztergombi, Luca Malgeri, S. Shevchenko, U. Uwer, Jasper Kirkby, X. D. Cai, M. Sassowsky, J. Schwenke, A. J.W. van Mil, D. van Dierendonck, C. Sciacca, F. DeNotaristefani, N. Gheordanescu, M. Fabre, Felicitas Pauss, C. Palomares, F. Behner, E. Fiandrini, S. Costantini, Gianpaolo Carlino, Andrea Baschirotto, A. Gurtu, J. Busenitz, S. Rosier-Lees, J. Salicio, P. Le Coultre, S. Easo, M. Basile, Yu. Zalite, Kati Lassila-Perini, Y. Uchida, H. Nowak, J. D. Swain, D. Peach, S. Falciano, Manas Maity, M. Campanelli, A. Zichichi, P. Berges, Steve Nahn, F. Ferroni, J. P. Martin, M. P. Sanders, S. Roth, J. Rodin, H. Opitz, Laszlo Boldizsar, L. Fredj, A. Kopp, G. Schwering, S. Banerjee, Zp Zhang, D. Mangeol, Harvey B Newman, D. Luckey, A. Nippe, R. Mount, Nicola Cavallo, A. Shvorob, G. Y. Zhu, E. Shumilov, S. Gentile, D. Kiss, A. Böhm, C. Furetta, J. C. Pinto, G. Coignet, H. Tuchscherer, P. Denes, H. K. Park, Marcella Diemoz, V. Koutsenko, G. Castellini, K. Riles, J. Berdugo, Yongsun Kim, A. Kirkby, C. Li, J. H. Field, B. Stoyanov, G. J. Bobbink, Konrad Deiters, S. Schmidt-Kaerst, V. Shoutko, Alberto Aloisio, W.G. Ma, G. Gratta, Zheng Wang, Z. F. Gong, L. J. Gutay, Luisa Cifarelli, G. Mirabelli, X. Chereau, M. E. Sarakinos, P. A. Piroué, G. Viertel, B. Zhou, H. Hofer, R. Völkert, Tariq Aziz, An. Zalite, M. Tonutti, K. Strauch, P. Ladron de Guevara, W. Wallraff, V. Schegelsky, G. Hu, Maurizio Biasini, Marta Felcini, A. Gougas, P. Levtchenko, J. D. Burger, Panos A Razis, Y. H. Chang, F. Marzano, Marco Pieri, Francesco Becattini, R. W. Kraemer, Y. D. Oh, U. K. Chaturvedi, P. Lebrun, E. J. Sanchez, S. Wynhoff, R. Faccini, A. Chen, H. El Mamouni, D. Ren, J. Shukla, V. Innocente, A. P. Colijn, Simone Paoletti, Suchandra Dutta, A. J.M. Muijs, Sw. Banerjee, Manjit Kaur, P. Laurikainen, L. W. Jones, U. Becker, W. van Rossum, S. Bhattacharya, A. Barczyk, B. P. Roe, L. Z. Sun, Pablo Garcia-Abia, Alain Hervé, A. Bay, K. Sudhakar, Carlo Civinini, G. Raven, G. G.G. Massaro, J. A. Rubio, M. Aguilar-Benitez, Herwig Schopper, Y. J. Pei, H. Postema, G. Pascale, Marco Meschini, D. Kirkby, P. de Jong, N. Shivarov, Claudio Luci, F. J. Eppling, Christopher George Tully, Wolfgang Lohmann, H. Vogt, Robert Clare, Y. S. Lu, A. Engler, B. Bertucci, F. Anselmo, M. Napolitano, Nicanor Colino, W. Lu, Federico Cindolo, S. Mangla, Pierluigi Paolucci, A. Button, A. Weber, W. C. van Hoek, Frank Filthaut, H. S. Fesefeldt, E. Pistolesi, Thomas Hebbeker, Paul Lecoq, J.P. Ernenwein, Thomas Ferguson, S. Pensotti, G. Chiefari, Vladimir Andreev, A. Lebedev, D. Duchesneau, H. S. Chen, L. Servoli, Dong-Chul Son, J. J. Blaising, Stefano Giagu, Mariagrazia Alviggi, H. Rykaczewski, I. Vetlitsky, Giovanni Organtini, P. Spillantini, I. Vorobiev, Jean Fay, S. N. Ganguli, Nicolas Produit, A. Kunin, Hafeez R Hoorani, V. K. Gupta, S. Goldfarb, F. L. Linde, Luciano Romero, A. Buijs, L. Merola, A. Pevsner, C. Cecchi, Subir Sarkar, K. Freudenreich, D. della Volpe, A. A. Vorobyov, M. Pohl, J. M. Le Goff, A. Kasser, E. Longo, H. O. Cohn, Davide Piccolo, A. Degré, P. H. Fisher, M. Rattaggi, J. M. You, V. Plyaskin, M. Capell, T. Paul, George Alverson, T. Niessen, and A.M. Cartacci
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), Annihilation, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, 01 natural sciences, Standard Model, Nuclear physics, Pair production, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton, S-matrix
Abstract: We report on measurements of $\mathrm{e^+e^-}$ annihilation into hadrons and lepton pairs. The data have been taken with the L3 detector at LEP at centre--of--mass energies between 161~$\mathrm{Ge\kern -0.12em V}$ and 172~$\mathrm{Ge\kern -0.12em V}$. In a data sample corresponding to 21.2~pb$^{-1}$ of integrated luminosity 2728 hadronic and 868 lepton--pair events are selected. The measured cross sections and leptonic forward--backward asymmetries agree well with the Standard Model predictions. \end{abstract}
Published: 1997
Full Text: View/download PDF

36. QCD studies and determination of αs in e+e− collisions at s=161GeV and 172 GeV

Author: M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, S. Banerjee, Sw. Banerjee, K. Banicz, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, S.V. Chekanov, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, B. Fenyi, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay, B. Hartmann, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, S.J. Hong, H. Hoorani, S.R. Hou, G. Hu, V. Innocente, K. Jenkes, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, D. Kamrad, Yu. Kamyshkov, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, S. Mangla, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, D. McNally, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, P. Molnar, B. Monteleoni, R. Moore, S. Morganti, T. Moulik, R. Mount, S. Müller, F. Muheim, A.J.M. Muijs, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nippe, A. Nisati, H. Nowak, Y.D. Oh, H. Opitz, G. Organtini, R. Ostonen, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, Y.J. Pei, S. Pensotti, D. Perret-Gallix, B. Petersen, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, D. Prokofiev, G. Rahal-Callot, N. Raja, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, S. Sarkar, M. Sassowsky, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, P. Schmitz, N. Scholz, H. Schopper, D.J. Schotanus, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, A. Sopczak, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, M. Tonutti, S.C. Tonwar, J. Tóth, C. Tully, H. Tuchscherer, K.L. Tung, Y. Uchida, J. Ulbricht, U. Uwer, E. Valente, R.T. Van de Walle, G. Vesztergombi, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Z.M. Wang, A. Weber, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, An. Zalite, Yu. Zalite, P. Zemp, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, and F. Ziegler
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Luminosity (scattering theory), 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Center of mass, 010306 general physics, Constant (mathematics), Event (particle physics)
Abstract: We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of 21.25 pb-1 collected during the high energy runs of 1996. The distributions of event shape variables and the energy dependence of their mean values are well reproduced by QCD models. From a comparison of the data with resummed second order QCD calculations, we determine the strong coupling constant at the two energies. Combining with our earlier measurements we find that the strong coupling constant decreases with increasing energy as expected in QCD.
Published: 1997
Full Text: View/download PDF

37. Search for excited leptons in e+e− annihilation at =161

Author: M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, B. Alpat, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, D. Antreasyan, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, S. Banerjee, K. Banicz, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Rock, A. Böhm, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, A. Chan, Y.H. Chang, U.K. Chaturvedi, S.V. Chekanov, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, M.T. Choi, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, P. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, E. Drago, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, B. Fenyi, T. Ferguson, D. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay, B. Hartmann, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, V. Innocente, K. Jenkes, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, D. Kamrad, Yu. Kamyshkov, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, I. Korolko, V. Koutsenko, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.S. Lee, K.Y. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, S. Mangla, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, D. McNally, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, P. Molnar, B. Monteleoni, R. Moore, S. Morganti, T. Moulik, R. Mount, S. Müller, F. Muheim, A.J.M. Muijs, E. Nagy, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nippe, A. Nisati, H. Nowak, H. Opitz, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, Y.J. Pei, S. Pensotti, D. Perret-Gallix, B. Petersen, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, D. Prokofiev, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, S. Ro, A. Robohm, J. Rodin, F.J. Rodriguez, B.P. Roe, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, H. Rykaczewski, J. Salicio, E. Sanchez, M.P. Sanders, A. Santocchia, M.E. Sarakinos, S. Sarkar, M. Sassowsky, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, N. Scholz, H. Schopper, D.J. Schotanus, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, A. Sopczak, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, M. Tonutti, S.C. Tonwar, J. Tóth, C. Tully, H. Tuchscherer, K.L. Tung, Y. Uchida, J. Ulbricht, U. Uwer, E. Valente, R.T. Van de Walle, G. Vesztergombi, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Z.M. Wang, A. Weber, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, An. Zalite, Yu. Zalite, P. Zemp, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, and F. Ziegler
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, Lambda, 01 natural sciences, Nuclear physics, Pair production, Excited state, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Lepton
Abstract: A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected $\ell^*\ell^*$ pair production in the channels $\rm ee\gamma\gamma$, $\rm \mu\mu\gamma\gamma$, $\rm \tau\tau\gamma\gamma$, $\rm eeWW$, and $\rm \nu\nu\gamma\gamma$, the lower mass limits at 95\% C.L. are 79.7 GeV for $\rm e^{*}$, 79.9 GeV for $\mu^{*}$, 79.3 GeV for $\tau^{*}$ and 71.3 GeV for $\nu_{\rm e}^{*}$ assuming the same couplings as for standard leptons. From an analysis of the expected $\ell\ell^*$ single production in channels $\rm ee\gamma$, $\mu\mu\gamma$, $ \tau\tau\gamma$, $\rm \nu_{e}eW$ and $\nu\nu\gamma$, the upper limits on the couplings $\lambda/m_{\ell^*}$ up to $m_{\ell^{*}}$ = 161 GeV are determined.
Published: 1997
Full Text: View/download PDF

38. Measurement of → τ and a new limit for → τ

Author: D. Kiss, V. Brigljevic, Ren-Yuan Zhu, Z. A. Liu, A. Vorvolakos, X. Y. Yao, J. G. Xu, Luciano Barone, S. V. Chekanov, Dimitri Bourilkov, G. F. Susinno, R. T. Van de Walle, Yu. Galaktionov, C. Furetta, Konrad Deiters, J. C. Pinto, P. Spillantini, T. van Rhee, B. Petersen, J. Alcaraz, S. X. Wu, L. J. Gutay, U. Becker, Alberto Aloisio, E. Fiandrini, Gyorgy Vesztergombi, A. Gurtu, V. Commichau, A. Arefiev, Yu. Efremenko, J. M. Le Goff, D. DiBitonto, Francesca Cavallari, J. P. Ernenwein, N. Gheordanescu, G. Carlino, H. Anderhub, W. van Rossum, K. Riles, M. Steuer, B. Hartmann, F. Marzano, G. Coignet, W. Krenz, I. Duran, A. Hasan, K. Banicz, A. Mihul, D. Perret-Gallix, G. Alemanni, J. A. Rubio, P. Molnar, Y. Kamyshkov, H. Vogt, F. J. Eppling, L. W. Jones, P. H. Fisher, S. M. Ting, W. J. Burger, T. Angelescu, R. Leiste, Christoph Paus, M. W. Gruenewald, I. Josa-Mutuberria, Adrian Biland, X. W. Tang, W. W. Kinnison, E. Lieb, P. Lebrun, M. Campanelli, Harvey B Newman, R. Barillère, O. Adrian, J. Casaus, M. Acciarri, G. Forconi, M. N. Kienzle-Focacci, A. M. Cartacci, Guo-Ming Chen, S. Pensotti, Valery Schegelsky, A. C. König, U. Uwer, Antonino Zichichi, Andre Sopczak, A. Chen, D. van Dierendonck, A. Csilling, B. Monteleoni, M. Lebeau, J. Salicio, Jozsef Toth, Z. P. Zhang, G. Sauvage, A. C. Weber, P. Pakhlov, A. Engler, Y. J. Pei, P. A. Piroué, B. Zhou, Davide Piccolo, L. Cifarelli, K. Y. Lee, Joel Goldstein, M. E. Sarakinos, Aleandro Nisati, Maurizio Biasini, Marta Felcini, D. Pandoulas, J. S. Lee, M. Vivargent, H. Rykaczewski, Giovanni Organtini, C. G. Yang, X. D. Cai, G. Mirabelli, S. Müller, Tariq Aziz, Raffaello D'Alessandro, G. Passaleva, D. Kamrad, G. Chiefari, S. Shevchenko, F. Behner, Andrea Baschirotto, Alessandra Doria, Howard A. Stone, P. Zemp, R. de Asmundis, S. Reucroft, Yu. Zalite, I. Dorne, U. K. Chaturvedi, Y. S. Lu, A. Shvorob, E. Valente, R. Mount, D. McNally, A. Favara, Z. Z. Xu, V. Pojidaev, Francesco Becattini, O. Rind, G. M. Bilei, H. K. Park, G. Castellini, Leonardo Merola, L. Tauscher, F. Cesaroni, M. Chamizo, M. Capell, H. S. Fesefeldt, E. Pistolesi, Attilio Santocchia, Marco Pieri, Jean Fay, K. Lübelsmeyer, J. H. Field, C. Y. Chien, G. Viertel, T. Azemoon, P. Ladron de Guevara, Z. F. Gong, A. Gougas, P. Rosselet, Hans J. Vogel, J.V. Allaby, S. Patricelli, N. Scholz, Roberto Battiston, Pierluigi Paolucci, A. Kirkby, R. Bock, D. Sciarrino, Gobinda Majumder, A. Buffini, S. Morganti, Dai-Sik Kim, B. Stoyanov, J. Schwenke, Aaron Dominguez, Felicitas Pauss, D. Hatzifotiadou, Y. Uchida, J. Rodin, D. O. Prokofiev, S. R. Hou, M. Wadhwa, H. Opitz, S. Bhattacharya, S. S. Gau, D. J. Schotanus, Nicolas Produit, Gerjan Bobbink, B. Borgia, J. Ulbricht, G. Schwering, S. Schmidt-Kaerst, Crisostomo Sciacca, H. El Mamouni, Y. Karyotakis, W. Kittel, S. Costantini, D. Boutigny, L. Fredj, W. G. Ma, P. Le Coultre, E. Drago, M. Basile, M. Schneegans, Marcos Cerrada, Bryan R. Smith, L. Baksay, F. Cotorobai, F. Di Lodovico, A. Lebedev, Dong-Chul Son, S. P. Ahlen, Jasper Kirkby, Michael Dittmar, H. F. Chen, M. P. Sanders, B. L. Betev, P. Bartalini, E. Nagy, K. Sudhakar, F. J. Rodriguez, J. J. Blaising, Stefano Giagu, M. Sassowsky, P. G. Rancoita, S. Wynhoff, C-Q. Li, I. Clare, V. K. Gupta, A. J.W. van Mil, Y. Mi, D. Duchesneau, A. Buijs, M. von der Mey, Marcella Diemoz, M. Rescigno, Vincenzo Innocente, L. Z. Sun, G. Gratta, D. Mangeol, B. N. Jin, Oleg Fedin, J. K. Kim, H. Nowak, D. Luckey, J. B. Ye, M. Fabre, An.A. Vorobyov, J. D. Swain, S. Ro, S. Easo, B. De La Cruz, C. Lapoint, G. Hu, I. Vetlitsky, F. DeNotaristefani, D. Peach, A. Chan, Kati Lassila-Perini, A. Straessner, V. Plyaskin, G. Ambrosi, W. Wallraff, Lucas Taylor, Luca Lista, D. Fernandez, Speranza Falciano, Roger Moore, Juven Wang, A. Kunin, S. Banerjee, M. G. Alviggi, Georgi Sultanov, Zp Zhang, Fl Linde, Hafeez R Hoorani, T. S. Dai, R. A. Khan, M. T. Dova, A. Böhm, D. Antreasyan, Sabine Riemann, J. M. You, H. O. Cohn, H. Janssen, W. J. Metzger, S. Goldfarb, Samuel C.C. Ting, P. Duinker, I. Korolko, Simonetta Gentile, V. P. Andreev, Lamberto Luminari, A. Klimentov, M. Caria, Manas Maity, Z. M. Wang, K. Jenkes, Kenneth Francis Read, J. Busenitz, M. Chemarin, N. Cavallo, S. Rosier-Lees, G. M. Chen, V. Koutsenko, F. Wittgenstein, R. C. Ball, P. Berges, Steve Nahn, Marco Meschini, Peter Denes, Pierre Lecomte, R. Ostonen, A. Marin, Paolo Bagnaia, A. Nippe, S. C. Blyth, Werner Lustermann, Behcet Alpat, D.W. Schmitz, G. Pascale, P. de Jong, N. Shivarov, Claudio Luci, D. Kirkby, Robert Clare, Alexander Malinin, A. Boucham, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, A. Bay, S. Petrak, Carlo Civinini, G. Raven, H. S. Chen, M. Aguilar-Benitez, L. Servoli, Herwig Schopper, H. Postema, G. Landi, Simone Paoletti, Suchandra Dutta, Christopher George Tully, A. J.M. Muijs, Manjit Kaur, Wolfgang Lohmann, P. Laurikainen, B. Bertucci, S. C. Kim, L. Malgeri, An. Zalite, F. Anselmo, Nicanor Colino, W. Lu, Federico Cindolo, S. Mangla, S. C. Tonwar, W. C. van Hoek, Frank Filthaut, G. Cara Romeo, B. P. Roe, Thomas Ferguson, C. Cecchi, Subir Sarkar, B. Fenyi, M. Pohl, Y. Zhou, A. Kasser, T. Paul, T. Moulik, D. P. Stickland, F. Ziegler, J. G. Branson, S. N. Ganguli, M. T. Choi, Francesca Nessi-Tedaldi, A. Degré, M. Rattaggi, J. D. Burger, T. Siedenburg, G. Rahal-Callot, H. Suter, Sc Yeh, L. Romero, Wt Lin, M. Bourquin, K. Strauch, Joachim Mnich, A. Robohm, Egidio Longo, H. Tuchscherer, F. Muheim, V. Soulimov, P. Extermann, Salvatore Mele, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, Mingshui Chen, J. Gerald, R. Faccini, X. L. Wang, G. G.G. Massaro, M. Pauluzzi, D. Ren, J. Shukla, A. P. Colijn, F. C. Erné, C. Leggett, S. Roth, P. Schmitz, A. Pevsner, K. Freudenreich, J. P. Martin, G. Y. Zhu, E. Shumilov, V. Shoutko, J. C. Sens, R. Völkert, M. Tonutti, Igor Vorobiev, C. Maña, I. C. Brock, P. Levtchenko, Panos A Razis, E. Leonard, J. Berdugo, E. J. Sanchez, Y. G. Kim, Y. H. Chang, George Alverson, J. S. Kapustinsky, T. Niessen, F. Ferroni, Y. Zeng, and P. Marchesini
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, 0103 physical sciences, Analytical chemistry, Invariant mass, 010306 general physics, 01 natural sciences
Abstract: Using a data sample of 1 475 000 Z → qq(γ) events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, D s − → τ − ν τ and B − → τ − ν τ . A signal is observed in the invariant mass distribution M(γD s − ) corresponding to the decay sequence D ∗− → γD s − , D s − → τ − ν τ , τ − → l − ν l ν τ . The branching fraction for D s − → τ − ν τ decays is measured to be β (D s − → τ − ν τ ) = 0.074 ± 0.028(stat) ± 0.016(syst) ± 0.018(norm) . No signal of B − → τ − ν τ decays is observed in the data, corresponding to an upper limit on the branching franction β( B − → τ − ν τ ) −4 at 90% CL.
Published: 1997
Full Text: View/download PDF

39. Upsilon production in Z decays

Author: J. Alcaraz, P. Schmitz, Y. Galaktionov, Francesca Cavallari, V. Schegelsky, Maurizio Biasini, Marta Felcini, C. Leggett, J. D. Burger, Francesco Becattini, R. W. Kraemer, Y. D. Oh, U. K. Chaturvedi, J. P. Martin, P. Lebrun, S. Wynhoff, H. Rykaczewski, Giovanni Organtini, G. Y. Zhu, Y. Karyotakis, R. C. Ball, A. Nippe, S. Easo, M. Vivargent, Kati Lassila-Perini, E. Shumilov, A. Mihul, G. Alemanni, Z. A. Liu, C. Sciacca, F. DeNotaristefani, Manas Maity, P. Berges, Steve Nahn, J. H. Field, D. H. Kim, V. Shoutko, P. Spillantini, Werner Lustermann, A. Vorvolakos, X. Y. Yao, W. W. Kinnison, W.G. Ma, L. J. Gutay, A. Malinin, An. Zalite, J. G. Xu, G. Landi, Marco Meschini, S. C. Yeh, D. Kirkby, P. Bartalini, G. Mirabelli, G. Chiefari, R. Völkert, M. Tonutti, R. Y. Zhu, S. Falciano, Y. J. Pei, P. Marchesini, R. Leiste, H. Anderhub, S. Roth, W. J. Metzger, Christoph Paus, T. Paul, Jean Fay, S. N. Ganguli, D. Boutigny, H.F. Chen, L. Luminari, Christopher George Tully, R. Mount, N. Cavallo, A. Lebedev, Dong-Chul Son, Mingshui Chen, P. Molnar, M. Schneegans, S. Ahlen, N. Gheordanescu, C. Lapoint, K. Lübelsmeyer, J. Gerald, R. Faccini, V. Brigljevic, G. F. Susinno, G. Gratta, A. Chen, J. J. Blaising, Wolfgang Lohmann, Raffaello D'Alessandro, H. Vogt, B. Bertucci, Nicolas Produit, Stefano Giagu, M. Bourquin, H. K. Park, Bryan R. Smith, H. El Mamouni, A. Buffini, George Alverson, Luisa Cifarelli, F. Anselmo, Nicanor Colino, D. Pandoulas, H. Tuchscherer, W. J. Burger, W. Lu, A. Straessner, O. Adriani, F. J. Eppling, P. Bagnaia, Lucas Taylor, S. Bhattacharya, Federico Cindolo, S. Mangla, Luca Lista, Joachim Mnich, D. Ren, B. Monteleoni, C. Maña, M. von der Mey, C. Dionisi, Michael Dittmar, Simone Paoletti, Suchandra Dutta, I. Dome, J. B. Ye, James G Branson, Juven Wang, Mariagrazia Alviggi, A. J.M. Muijs, B. P. Roe, J. Shukla, V. Innocente, A. Robohm, F. Cesaroni, M. Chamizo, Emilio Leonardi, W. C. van Hoek, Suresh C Tonwar, M. Napolitano, A. P. Colijn, Manjit Kaur, Frank Filthaut, L. Z. Sun, L. Tauscher, J. D. Swain, D. Peach, T. Azemoon, C. G. Yang, R. Bock, Thomas Ferguson, A. Kunin, Dimitri Bourilkov, Pierluigi Paolucci, M. W. Gruenewald, Hafeez R Hoorani, A. Biland, I. Josa-Mutuberria, S. C. Kim, L. W. Jones, Willis Lin, S. Braccini, T. Angelescu, I. Vetlitsky, G. Castellini, R. A. Khan, W. van Rossum, R. T. Van de Walle, D. J. Schotanus, D. Kamrad, B. Fenyi, U. Becker, G. Forconi, Igor Vorobiev, S. Pensotti, B. Petersen, A. Barczyk, G. J. Bobbink, J. Berdugo, Yongsun Kim, Vladimir Andreev, L. Baksay, F. Cotorobai, P. Levtchenko, Z. Z. Xu, K. Riles, D. Sciarrino, J. Casaus, Y. Zhou, D. Ruschmeier, Z. F. Gong, S. Shevchenko, Gyorgy Vesztergombi, P. Zemp, M. Rescigno, C. Y. Chien, I. Fisk, Dong-Hyun Kim, Panos A Razis, Y. H. Chang, F. Behner, F. C. Emé, R. Barillère, P. Laurikainen, J. S. Kapustinsky, A. Böhm, Howard A. Stone, K. Sudhakar, G. Coignet, Helmut Vogel, G. Sauvage, Andrea Baschirotto, T.S. Dai, Marcos Cerrada, V. K. Gupta, Y. Mi, J. A. Rubio, T. Moulik, S. Goldfarb, G. Pascale, Andre Sopczak, P. de Jong, N. Shivarov, Claudio Luci, F. Wittgenstein, X. W. Tang, Alessandra Doria, M. N. Kienzle-Focacci, Roberto Battiston, M. Campanelli, Joel Goldstein, Yu. Zalite, Robert Clare, A. Zichichi, Y. S. Lu, A. Engler, A. Csilling, Harvey B Newman, Thomas Hebbeker, Paul Lecoq, Axel König, S. Müller, S. Petrak, B. Borgia, S. X. Wu, M. T. Dova, B. N. Jin, R. Ostonen, A. Marin, S. Morganti, J. Ulbricht, S. Reucroft, A. Favara, I. H. Park, A. Weber, H. S. Fesefeldt, C. H. Lin, E. Pistolesi, F. Di Lodovico, D. Duchesneau, H. S. Chen, L. Servoli, Gobinda Majumder, N. Scholz, D. O. Prokofiev, F. L. Linde, V. Pojidaev, D. DiBitonto, F. Ziegler, F. Muheim, Jasper Kirkby, X. D. Cai, S. R. Hou, M. Wadhwa, David Stickland, Ph. Rosselet, M. Sassowsky, A. J.W. van Mil, A. Boucham, Anna Katharina Kopp, M. Steuer, Pablo Garcia-Abia, Alain Hervé, E. J. Sanchez, Y. Uchida, C. Palomares, Luciano Romero, A.M. Cartacci, A. Bay, A. Buijs, Oleg Fedin, I. Clare, J. Busenitz, Carlo Civinini, G. Raven, J. Tóth, M. P. Sanders, L. Merola, J. P. Emenwein, G. G.G. Massaro, M. Aguilar-Benitez, Marcella Diemoz, M. Fabre, K. Banicz, D. Perret-Gallix, V. Soulimov, B. L. Betev, Francesca Nessi-Tedaldi, M. Lebeau, Herwig Schopper, S. Gentile, H. Postema, A. Pevsner, A. Gurtu, Luciano Barone, S. V. Chekanov, S. C. Blyth, T. van Rhee, K. L. Tung, A. Arefiev, Yu. Efremenko, T. Siedenburg, D. Schmitz, P. Extermann, W. Kittel, Salvatore Mele, P. Lecomte, Christoph Schäfer, B. Z. Yang, G. Rahal-Callot, N. Raja, E. Valente, W. Krenz, V. Commichau, H. Suter, D. McNally, B. Hartmann, A. Hasan, Y. Kamyshkov, J. Schwenke, E. Fiandrini, S. Costantini, Gianpaolo Carlino, F. Ferroni, G. Schwering, C. Furetta, J. C. Pinto, M. Acciarri, Guo-Ming Chen, U. Uwer, D. van Dierendonck, J. Salicio, A. Shvorob, J. K. Kim, V. Koutsenko, A. Kirkby, C. Li, B. Stoyanov, S. Schmidt-Kaerst, S. S. Gau, E. Drago, Gian Mario Bilei, H. Nowak, Samuel C.C. Ting, P. Duinker, I. Korolko, A. Klimentov, K. Jenkes, Zheng Wang, Zhenyu Zhang, H. Janssen, Kenneth Francis Read, M. E. Sarakinos, K. Strauch, P. Ladron de Guevara, B. De La Cruz, G. Hu, Konrad Deiters, A. Gougas, Alberto Aloisio, I. C. Brock, P. A. Piroué, G. Viertel, B. Zhou, H. Hofer, P. G. Rancoita, S. Banerjee, Zp Zhang, P. Denes, M. Pauluzzi, G. Passaleva, Tariq Aziz, W. Wallraff, I. Duran, J.V. Allaby, D. Hatzifotiadou, J. Rodin, H. Opitz, Laszlo Boldizsar, T. Niessen, L. Fredj, F. Marzano, Marco Pieri, G. Ambrosi, S. Riemann, Roger Moore, Georgi Sultanov, X. L. Wang, M. Chemarin, R. de Asmundis, G. M. Chen, Aaron Dominguez, Felicitas Pauss, S. Rosier-Lees, P. Le Coultre, M. Basile, D. Mangeol, D. Luckey, D. Kiss, Aleandro Nisati, L. Malgeri, O. Rind, G. Cara Romeo, C. Cecchi, Subir Sarkar, K. Freudenreich, A. A. Vorobyov, M. Pohl, J. M. You, V. Plyaskin, M. Capell, Y. Zeng, J. M. Le Goff, A. Kasser, E. Longo, H. O. Cohn, Davide Piccolo, A. Degré, P. H. Fisher, M. Rattaggi, S. Patricelli, S. J. Hong, S. M. Ting, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Burger, William, Paus-Cecchi, Claudia, Extermann, Pierre, Field, John, Fredj, Lotfi, Kienzle, Maria-Novella, Muheim, Franz, Produit, Nicolas, Sciarrino, Deborah, Susinno, Gabriele, LEP (IHEF, IoP, FNWI), Acciarri, M., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Ball, R. C., Banerjee, S., Banicz, K., Barczyk, A., Barillere, R., Barone, L., Bartalini, P., Baschirotto, A., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Bhattacharya, S., Biasini, M., Biland, A., Bilei, G. M., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bock, R., Bohm, A., Boldizsar, L., Borgia, B., Boucham, A., Bourilkov, D., Bourquin, M., Boutigny, D., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Busenitz, J., Cai, X. D., Campanelli, M., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chekanov, S. V., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chiefari, Giovanni, Chien, C. Y., Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Cohn, H. O., Coignet, G., Colijn, A. P., Colino, N., Commichau, V., Costantini, S., Cotorobai, F., Delacruz, B., Csilling, A., Dai, T. S., Dalessandro, R., Deasmundis, R., Degre, A., Deiters, K., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dorne, I., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Y., Elmamouni, H., Engler, A., Eppling, F. J., Erne, F. C., Ernenwein, J. P., Extermann, P., Fabre, M., Faccini, R., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Fenyi, B., Ferguson, T., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisk, I., Forconi, G., Fredj, L., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garciaabia, P., Gau, S. S., Gentile, S., Gerald, J., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartman, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Vanhoek, W. C., Hofer, H., Hong, S. J., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Janssen, H., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamatuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzlefocacci, M. N., Kim, D., Kim, D. H., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Kopp, A., Korolko, I., Koutsenko, V., Kraemer, R. W., Krenz, W., Kunin, A., Deguevara, P. L., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Leggett, C., Legoff, J. M., Leiste, R., Leonardi, E., Levtchenko, P., Li, C., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Lu, W., Y. S., Lu, Lubelsmeyer, K., Luci, C., Luckey, D., Luminari, L., Lustermann, W., W. G., Ma, Maity, M., Majumder, G., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Mangla, S., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., G. G. G., Mcnally, D., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Vondermey, M., Mi, Y., Mihul, A., A. J. W., Mirabelli, G., Mnich, J., Molnar, P., Monteleoni, B., Moore, R., Morganti, S., Moulik, T., Mount, R., Muller, S., Muheim, F., A. J. M., Nahn, S., Napolitano, Marco, Nessitedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Y. D., Oh, Opitz, H., Organtini, G., Ostonen, R., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Peach, D., Pei, Y. J., Pensotti, S., Perretgallix, D., Petersen, B., Petrak, S., Pevsner, A., Piccolo, D., Pieri, M., Pinto, J. C., Piroue, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Produit, N., Prokofiev, D., Rahalcallot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., Vanrhee, T., Riemann, S., Riles, K., Rind, O., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosierlees, S., Rosselet, P., Vanrossum, W., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., Sassowsky, M., Sauvage, G., Schafer, C., Schegelsky, V., Schmidtkaerst, S., Schmitz, D., Schmitz, P., Schneegans, M., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Sopczak, A., Soulimov, V., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, H., Stoyanov, B., Straessner, A., Strauch, K., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Tang, X. W., Tauscher, L., Taylor, L., S. C. C., Ting, S. M., Tonutti, M., Tonwar, S. C., Toth, J., Tully, C., Tuchscherer, H., Tung, K. L., Uchida, Y., Ulbricht, J., Uwer, U., Valente, E., Vandewalle, R. T., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Volkert, R., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, J. C., Wang, X. L., Wang, Z. M., Weber, A., Wittgenstein, F., S. X., Wu, Wynhoff, S., Xu, J., Z. Z., Xu, Yang, B. Z., Yang, C. G., Yao, X. Y., J. B., Ye, Yeh, S. C., You, J. M., Zalite, A., Zalite, Y., Zemp, P., Zeng, Y., Zhang, Z., Zhang, Z. P., Zhou, B., Zhou, Y., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., and Flores, Sylvie
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 010308 nuclear & particles physics, Hadron, HEAVY QUARKONIUM, LEP, ddc:500.2, 01 natural sciences, PHYSICS, Theoretical physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Decay chain, J/PSI-PRODUCTION, FRAGMENTATION, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, L3 EXPERIMENT
Abstract: We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X; Upsilon -> l+l- (l= e, mu), therefore upper limits at the 95% confidence level are set on the following Z branching fractions: BR (Z -> Upsilon(1S) X) < 5.5 x 10**-5; BR (Z -> Upsilon(2S) X) < 13.9 x 10**-5; BR (Z -> Upsilon(3S) X) < 9.4 x 10**-5.
Published: 1997

40. Observation of multiple hard photon final states at GeV at LEP

Author: M. Campanelli, D. Antreasyan, Sc Yeh, L. Romero, Marcella Diemoz, P. G. Rancoita, Wt Lin, B. Schoeneich, P. Kapinos, Samuel C.C. Ting, H. Kuijten, A. Lebedev, Dong-Chul Son, T. Kramer, B. N. Jin, H. Nowak, P. Duinker, I. Korolko, Simonetta Gentile, P. Rosselet, Z. P. Zhang, R. Barillère, A. C. Weber, Ren-Yuan Zhu, Luciano Barone, J. J. Blaising, Aaron Dominguez, M. N. Kienzle-Focacci, A. Klimentov, S. Mele, Kajari Mazumdar, Stefano Giagu, C. Lapoint, Felicitas Pauss, M. Bourquin, A. Straessner, Luca Lista, D. Fernandez, Juven Wang, Sabine Riemann, C-Q. Li, T. van Rhee, P. Extermann, Christoph Schäfer, B. Z. Yang, H. Hofer, K. L. Tung, H. Janssen, Kenneth Francis Read, Alessandra Doria, S. Müller, E. Valente, K. Strauch, Mariagrazia Alviggi, W. Wallraff, W. G. Ma, M. Basile, J. Gerald, Dai-Sik Kim, V. K. Gupta, R. Faccini, G. Mirabelli, D. McNally, X. L. Wang, G. G.G. Massaro, S. Banerjee, A. Gurtu, V. Commichau, M. Lebeau, A. Tsaregorodtsev, K. Y. Lee, I. Vetlitsky, M. Pauluzzi, Xd Cai, K. Hangarter, Joachim Mnich, G. Viertel, Y. J. Pei, W. van Rossum, G.M. Chan, S. C. Blyth, Adrian Biland, Z. A. Liu, A. Vorvolakos, X. Y. Yao, Hans J. Vogel, S. Morganti, J. K. Kim, D. Luckey, J. G. Xu, Reinhard W. Schulte, Marco Meschini, Tariq Aziz, J. Schwenke, G. M. Bilei, S. Ro, F. DeNotaristefani, M. Lenti, K. Lübelsmeyer, S. Costantini, R. Leiste, Christoph Paus, B. L. Betev, D. Ren, A. Robohm, Gianpaolo Carlino, B. Hartmann, A. Hasan, Y. Kamyshkov, Gobinda Majumder, A. Engler, J. Shukla, P. Marchesini, N. Gheordanescu, V. Brigljevic, B. De La Cruz, G. Hu, Giovanni Ambrosi, N. Scholz, J. M. You, A. Macchiolo, Manas Maity, S. Petrak, Lamberto Luminari, A. M. Cartacci, R. Raghavan, A. C. König, Andre Sopczak, Joel Goldstein, A. Favara, Z. Z. Xu, V. Pojidaev, M. Capell, J.V. Allaby, Vincenzo Innocente, Yu. Galaktionov, S. P. Ahlen, S. Patricelli, A. Boucham, W. Kittel, M. Caria, H. S. Fesefeldt, E. Pistolesi, A. P. Colijn, D.W. Schmitz, G. Pascale, N. Shivarov, Claudio Luci, Crisostomo Sciacca, J. A. Rubio, E. Nagy, F. Cesaroni, Marco Pieri, S. R. Hou, M. Wadhwa, D. J. Schotanus, M. Chamizo, J. Alcaraz, B. Monteleoni, F. Sticozzi, P. Berges, Steve Nahn, Roberto Castello, F. Muheim, Igor Vorobiev, M. Sassowsky, A. J.W. van Mil, J. Rodin, C. Dionisi, P. Levtchenko, S.X. Wu, Robert Clare, Alain Hervé, F. DiLodovico, P. Bartalini, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, A. Nippe, R. T. Van de Walle, Panos A Razis, A. Koulbardis, Konrad Deiters, R. C. Ball, J. S. Lee, Pierre Lecomte, Christopher George Tully, Alexander Malinin, L. Fredj, S. Easo, J. P. Ernenwein, Kati Lassila-Perini, M. Fabre, P. Lebrun, M. Napolitano, P. LeCoultre, Emilio Leonardi, R. Bock, D. Sciarrino, M. T. Choi, Francesca Nessi-Tedaldi, Alberto Aloisio, O. Toker, A. Ricker, Speranza Falciano, F. C. Erné, V. Plyaskin, Werner Lustermann, Behcet Alpat, L. J. Gutay, Howard A. Stone, A. Mihul, G. Alemanni, Y. Karyotakis, P. Schmitz, U. Becker, H. Anderhub, W. J. Burger, M. Vivargent, A. Bay, M. Acciarri, Pierluigi Paolucci, M. Möller, J. Berdugo, V. Koutsenko, D. Duchesneau, H. S. Chen, L. Servoli, L. Baksay, F. Cotorobai, Wolfgang Lohmann, B. Bertucci, S. C. Kim, E. J. Sanchez, H. ElMamouni, A. Buijs, C. Zaccardelli, M. T. Dova, A. Köngeter, F. Tonisch, I. Duran, Roberto Battiston, G. Schwering, W. W. Kinnison, J. D. Burger, T. Siedenburg, G. F. Susinno, H. O. Cohn, H. Vogt, G. Rahal-Callot, U. Uwer, A. Chen, D. van Dierendonck, G. Forconi, J. Salicio, R. Mount, X. W. Tang, Nicola Cavallo, A. Buytenhuijs, An. Zalite, Nicanor Colino, P. A. Piroué, B. Zhou, G. Landi, H. K. Park, Egidio Longo, H. Tuchscherer, Simone Paoletti, Suchandra Dutta, J. Kirby, F. J. Eppling, L. W. Jones, Gerjan Bobbink, B. Borgia, P. H. Fisher, J. Ulbricht, P. de Jong, S. M. Ting, Maurizio Biasini, Carlo Civinini, Raffaello D'Alessandro, Michael Dittmar, Marta Felcini, G. Raven, Francesca Cavallari, S. Roth, I. Dorne, U. K. Chaturvedi, A. Pevsner, K. Freudenreich, Manjit Kaur, G. Chiefari, C. Furetta, J. C. Pinto, K. Schultze, G. Castellini, Francesco Becattini, S. Shevchenko, M. M. Ilyas, S. S. Gau, Leonardo Merola, Z. F. Gong, P. Zemp, J. P. Martin, R. de Asmundis, Y. S. Lu, J. D. Swain, A. Kasser, D. Peach, A. Chan, M.E. Sarakinos, L. Tauscher, G. Y. Zhu, E. Shumilov, F. Behner, Andrea Baschirotto, Roger Moore, M. Aguilar-Benitez, T. Azemoon, I. Clare, Jozsef Toth, Herwig Schopper, D. Pandoulas, M. Rescigno, H. Suter, Y. F. Wang, V. Shoutko, J. C. Sens, B. C. Riemers, J. H. Field, C. Y. Chien, G.C. Romeo, A. Adam, B. Stoyanov, S. Schmidt-Kaerst, A. Böhm, R. Völkert, H. Postema, T. Paul, Marcos Cerrada, H. F. Chen, J. Busenitz, Y. Mi, Georgi Sultanov, P. De Ladron Guevara, Fl Linde, T. S. Dai, Peter Denes, R. A. Khan, M. Tonutti, Y. Zhou, J. G. Branson, S. Wynhoff, B. Lindemann, Paolo Bagnaia, G. Gratta, W. Lu, Davide Piccolo, Dimitri Bourilkov, P. Spillantini, X. Chereau, Federico Cindolo, A. Kunin, V. P. Andreev, S. Mangla, M. Chemarin, L. Z. Sun, H. DeBoeck, S. N. Ganguli, D. P. Stickland, Luisa Cifarelli, S. Reucroft, S. C. Tonwar, E. Fiandrini, Luca Malgeri, W. C. van Hoek, Frank Filthaut, Hafeez R Hoorani, G. M. Chen, A. Kirby, A. Degré, Thomas Ferguson, M. Schneegans, Harvey B Newman, Bryan R. Smith, K. Sudhakar, M. Rattaggi, M. von der Mey, J. B. Ye, W. J. Metzger, D. Kirby, Z. M. Wang, A. Gougas, C. Maña, S. Röhner, B. P. Roe, F. Wittgenstein, L. Ludovici, E. Drago, C. Cecchi, S. Goldfarb, I. C. Brock, Subir Sarkar, A. Bujak, M. Pohl, R. Ostonen, A. Marin, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, J.M. LeGoff, S. Rosier-Lees, Attilio Santocchia, Jean Fay, Y. G. Kim, Nicolas Produit, Y. H. Chang, George Alverson, J. S. Kapustinsky, F. Ferroni, Y. Zeng, A. Arefiev, Yu. Efremenko, R. R. McNeil, T. Angelescu, E. Lieb, E. Brambilla, J. Casaus, K. Riles, F. Marzano, G. Coignet, W. Krenz, C. G. Yang, D. DiBitonto, M. Steuer, F. J. Rodriguez, K. Banicz, An.A. Vorobyov, O. Adriani, Lucas Taylor, D. Perret-Gallix, G. Passaleva, M. W. Gruenewald, and I. Josa-Mutuberria
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Luminosity (scattering theory), Photon, 010308 nuclear & particles physics, Electron–positron annihilation, Scalar (mathematics), 01 natural sciences, Nuclear physics, Angular distribution, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Event (particle physics)
Abstract: We have studied the process e+e− → nγ (n ≥ 2) at an average center-of-mass energy of 133 GeV using the L3 detector at LEP. For an integrated luminosity of 4.95 pb−1 we find one γγγγ(γ) final state with only hard photons. The rates of both γγγ and γγ events are consistent with QED expectations. The cross section of the reaction e+e− → γγ(γ) in the polar range 16° < θγ < 164° is measured to be 22.6 ± 2.2 pb. Decays into photons of narrow scalar resonances with masses between 90 and 130 GeV are not observed. The observation of the event with four energetic photons is consistent with QED although the kinematic configuration of the photons is atypical.
Published: 1996
Full Text: View/download PDF

41. Measurement of the branching ratiosb →e ν X, μ ν X, τ ν X andν X

Author: G. Schwering, L. Z. Sun, Maurizio Biasini, G. Ambrosi, Marta Felcini, Roger Moore, F. J. Rodriguez, Francesco Becattini, Georgi Sultanov, Fl Linde, F. C. Erné, T. S. Dai, R. A. Khan, An.A. Vorobyov, V. P. Andreev, Lamberto Luminari, W. Lu, K. Freudenreich, Z. M. Wang, Sc Yeh, F. Cesaroni, M. Chamizo, Mingshui Chen, J. Gerald, R. Faccini, X. L. Wang, G. G.G. Massaro, O. Adriani, Lucas Taylor, Alessandra Doria, H. F. Chen, M. Chemarin, G. M. Chen, Federico Cindolo, R. C. Ball, Pierre Lecomte, Raffaello D'Alessandro, Leonardo Merola, L. Romero, Wt Lin, M. Bourquin, K. Strauch, Emilio Leonardi, R. Bock, D. Sciarrino, M. Pauluzzi, W. van Rossum, Adrian Biland, S. C. Blyth, Marco Meschini, D. Kirkby, P. G. Rancoita, Christopher George Tully, G. F. Susinno, Wolfgang Lohmann, C. Furetta, J. C. Pinto, B. Bertucci, S. Wynhoff, S. C. Kim, Nicanor Colino, Aaron Dominguez, Felicitas Pauss, S. Mangla, S. C. Tonwar, W. C. van Hoek, Frank Filthaut, Thomas Ferguson, N. Scholz, S. R. Hou, M. Wadhwa, D. J. Schotanus, C. Maña, I. C. Brock, S. Röhner, F. Wittgenstein, L. Tauscher, T. Azemoon, Joachim Mnich, A. Robohm, P. Lebrun, E. Valente, L. Baksay, F. Cotorobai, D. Ren, J. Shukla, Werner Lustermann, Behcet Alpat, A. Nippe, Alexander Malinin, W. G. Ma, P. Le Coultre, M. Basile, K. Hangarter, S. Easo, Kati Lassila-Perini, V. Plyaskin, L. Ludovici, E. Drago, R. Ostonen, A. Marin, B. N. Jin, H. Nowak, T. Paul, Y. G. Kim, Marcos Cerrada, Y. Mi, M. Acciarri, Guo-Ming Chen, G. M. Bilei, M. T. Choi, Francesca Nessi-Tedaldi, D. McNally, G. Viertel, T. Angelescu, E. Lieb, A. Buytenhuijs, Z. A. Liu, A. Vorvolakos, X. Y. Yao, A. P. Colijn, G. Carlino, J. Busenitz, Peter Denes, Paolo Bagnaia, U. Uwer, A. Chen, D. van Dierendonck, J. Salicio, A. C. Weber, H. Anderhub, S. S. Gau, J. K. Kim, D. Luckey, J. Casaus, Yu. Kamyshkov, Y. J. Pei, J.V. Allaby, S. Patricelli, C. Lapoint, M. T. Dova, Gobinda Majumder, W. Kittel, Y. H. Chang, George Alverson, J. S. Kapustinsky, Roberto Battiston, J. D. Burger, T. Siedenburg, G. Rahal-Callot, Hans J. Vogel, S. Morganti, J. Schwenke, S. Costantini, G. Chiefari, S. Shevchenko, J. G. Xu, M. Lenti, G. Mirabelli, A. Engler, Francesca Cavallari, C. Leggett, S. Roth, Ren-Yuan Zhu, Luciano Barone, G. Cara Romeo, B. P. Roe, A. Boucham, C. Dionisi, Alain Hervé, J. Rodin, An. Zalite, A. Straessner, L. Fredj, C. Cecchi, H. O. Cohn, F. Behner, Andrea Baschirotto, A. Pevsner, Luca Lista, C. G. Yang, F. Ferroni, J. M. Le Goff, N. Gheordanescu, M. Rescigno, K. Lübelsmeyer, C-Q. Li, T. van Rhee, H. Suter, M. Vivargent, D. Fernandez, Juven Wang, Y. Zeng, M. Campanelli, Gerjan Bobbink, B. Borgia, Yu. Galaktionov, H. De Boeck, J. A. Rubio, V. K. Gupta, M. Capell, Subir Sarkar, M. Schneegans, Y. Zhou, M. E. Sarakinos, P. Laurikainen, S. Ro, F. DeNotaristefani, J. P. Martin, G. Y. Zhu, E. Shumilov, A. Gurtu, W. Wallraff, Marcella Diemoz, Z. P. Zhang, S. Mele, P. Landron De Guevara, E. Nagy, Sabine Riemann, Bryan R. Smith, H. S. Fesefeldt, E. Pistolesi, Pierluigi Paolucci, Roberto Castello, A. Bujak, M. Pohl, J. M. You, A. Bay, Carlo Civinini, G. Raven, M. Aguilar-Benitez, G. Gratta, M. Fabre, A. Macchiolo, P. Zemp, V. Shoutko, J. C. Sens, B. Hartmann, A. Gougas, A. Hasan, Herwig Schopper, B. De La Cruz, Kajari Mazumdar, S. Müller, Michael Dittmar, B. C. Riemers, K. Sudhakar, A. Buijs, G. Hu, R. de Asmundis, H. Postema, M. Caria, Luisa Cifarelli, P. de Jong, R. Barillère, D. P. Stickland, A. Adam, P. Marchesini, Manas Maity, D. Kiss, V. Brigljevic, Xd Cai, A. Lebedev, Dong-Chul Son, T. Kramer, S. Banerjee, Zp Zhang, Dai-Sik Kim, J. J. Blaising, O. Rind, M. von der Mey, J. Ulbricht, A. Koulbardis, P. Berges, Steve Nahn, L. J. Gutay, U. Becker, R. Völkert, I. Dorne, J. Alcaraz, J. P. Ernenwein, J. D. Swain, Stefano Giagu, M. Tonutti, U. K. Chaturvedi, J. B. Ye, D. Peach, I. Duran, A. Chan, Igor Vorobiev, Y. S. Lu, Speranza Falciano, R. T. Van de Walle, R. Mount, Mariagrazia Alviggi, V. Koutsenko, Nicola Cavallo, H. Vogt, F. J. Eppling, L. W. Jones, G. Forconi, P. H. Fisher, S. M. Ting, P. Levtchenko, Y. F. Wang, Panos A Razis, A. Mihul, G. Alemanni, W. J. Burger, H. K. Park, Tariq Aziz, D. Antreasyan, A. Böhm, S. P. Ahlen, J. H. Field, C. Y. Chien, A. Kirkby, G. Castellini, I. Vetlitsky, Jasper Kirkby, M. Sassowsky, A. J.W. van Mil, Jozsef Toth, H. El Mamouni, B. Stoyanov, B. Schoeneich, D. Pandoulas, P. Kapinos, P. Duinker, C. Zaccardelli, A. Kasser, G. Pascale, W. W. Kinnison, N. Shivarov, Claudio Luci, Z. F. Gong, I. Korolko, Simonetta Gentile, B. L. Betev, Y. Karyotakis, Robert Clare, Thomas Hebbeker, F. Di Lodovico, Paul Lecoq, R. W. Kraemer, J. Berdugo, A. Klimentov, H. Janssen, Kenneth Francis Read, I. Clare, J. G. Branson, M. Napolitano, S. Petrak, E. J. Sanchez, H. Kuijten, Davide Piccolo, S. Reucroft, S. N. Ganguli, A. Kunin, D. Duchesneau, H. S. Chen, L. Servoli, A. Degré, M. N. Kienzle-Focacci, G. Landi, A. Csilling, Simone Paoletti, Suchandra Dutta, M. Rattaggi, V. Soulimov, M. Lebeau, A. Tsaregorodtsev, Manjit Kaur, K. Y. Lee, Vincenzo Innocente, Crisostomo Sciacca, Marco Pieri, Hafeez R Hoorani, P. Bartalini, A. M. Cartacci, R. Raghavan, Konrad Deiters, A. C. König, Alberto Aloisio, Dimitri Bourilkov, W. J. Metzger, Andre Sopczak, P. Spillantini, Joel Goldstein, X. W. Tang, P. A. Piroué, B. Zhou, S. Goldfarb, A. Favara, Z. Z. Xu, R. Leiste, Samuel C.C. Ting, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, Christoph Paus, V. Pojidaev, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, S. Pensotti, Antonino Zichichi, G. Sauvage, H. Rykaczewski, Giovanni Organtini, B. Monteleoni, F. Sticozzi, A. Arefiev, Yu. Efremenko, S. Rosier-Lees, Harvey B Newman, Aa Vorobyov, J. S. Lee, E. Brambilla, Attilio Santocchia, Jean Fay, D. Boutigny, K. Riles, Howard A. Stone, F. Tonisch, F. Marzano, G. Coignet, W. Krenz, Nicolas Produit, S. X. Wu, D. DiBitonto, Ph. Rosselet, M. Steuer, K. Banicz, D. Perret-Gallix, F. Muheim, P. Extermann, B. Z. Yang, H. Hofer, K. L. Tung, Egidio Longo, H. Tuchscherer, and M. M. Ilyas
Subjects: Physics, Semileptonic decay, Particle physics, Muon, Missing energy, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, Hadron, Electron, Branching (polymer chemistry), 01 natural sciences, 7. Clean energy, Measure (mathematics), Nuclear physics, 0103 physical sciences, Neutrino, 010306 general physics
Abstract: The inclusive semileptonic branching ratios b→eνX,μ νX,τ νX andνX have been measured at LEP with the L3 detector. The analysis is based on 2-jet hadronic Z decays obtained in the data collected between 1991 and 1992. Three separate event samples are analysed, containing electrons, muons and large missing energy (neutrinos), respectively. From the electron sample, we measure Br(b→eνX)=(10.89±0.20±0.51)% and, from the muon sample, Br(b→μ νX)=(10.82±0.15±0.59)%, where the first error is statistical and the second is systematic. From the missing energy sample, we measure Br(b→νX)=(23.08±0.77±1.24)%, assuming the relative semileptonic decay rates e:μ:τ=1:1:(0.25±0.05), according to theoretical expectations. From a combined analysis of all three samples and constraining the relative semileptonic rates, we measure Br(b→eνX)=Br(b→μ νX)=(10.68±0.11±0.46)%. Alternatively, we can remove the constraint on the relative semileptonic rates and measure Br(b→τ νX)=(1.7±0.5±1.1)%.
Published: 1996
Full Text: View/download PDF

42. Search for unstable sequential neutral and charged heavy leptons in e+e− annihilation at and 136 GeV

Author: M Acciarri, A Adam, O Adriani, M Aguilar-Benitez, S Ahlen, B Alpat, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, M.G Alviggi, G Ambrosi, H Anderhub, V.P Andreev, T Angelescu, D Antreasyan, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, R.C Ball, S Banerjee, K Banicz, R Barillère, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, B.L Betev, M Biasini, A Biland, G.M Bilei, J.J Blaising, S.C Blyth, G.J Bobbink, R Bock, A Böhm, B Borgia, A Boucham, D Bourilkov, M Bourquin, E Brambilla, J.G Branson, V Brigljevic, I.C Brock, A Buijs, A Bujak, J.D Burger, W.J Burger, J Busenitz, A Buytenhuijs, X.D Cai, M Campanelli, M Capell, G Cara Romeo, M Caria, G Carlino, A.M Cartacci, J Casaus, G Castellini, R Castello, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, A Chan, Y.H Chang, U.K Chaturvedi, M Chemarin, A Chen, G Chen, G.M Chen, H.F Chen, H.S Chen, X Chereau, G Chiefari, C.Y Chien, M.T Choi, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, H.O Cohn, G Coignet, A.P Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B de la Cruz, T.S Dai, R D'Alessandro, R de Asmundis, H De Boeck, A Degré, K Deiters, P Denes, F DeNotaristefani, D DiBitonto, M Diemoz, D van Dierendonck, F Di Lodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, I Dorne, M.T Dova, E Drago, D Duchesneau, P Duinker, I Duran, S Dutta, S Easo, Yu Efremenko, H El Mamouni, A Engler, F.J Eppling, F.C Erné, J.P Ernenwein, P Extermann, M Fabre, R Faccini, S Falciano, A Favara, J Fay, M Felcini, C Furetta, T Ferguson, D Fernandez, F Ferroni, H Fesefeldt, E Fiandrini, J.H Field, F Filthaut, P.H Fisher, G Forconi, L Fredj, K Freudenreich, Yu Galaktionov, S.N Ganguli, S.S Gau, S Gentile, J Gerald, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, Z.F Gong, A Gougas, G Gratta, M.W Gruenewald, V.K Gupta, A Gurtu, L.J Gutay, K Hangarter, B Hartmann, A Hasan, T Hebbeker, A Hervé, W.C van Hoek, H Hofer, H Hoorani, S.R Hou, G Hu, M.M Ilyas, V Innocente, H Janssen, B.N Jin, L.W Jones, P de Jong, I Josa-Mutuberria, A Kasser, R.A Khan, Yu Kamyshkov, P Kapinos, J.S Kapustinsky, Y Karyotakis, M Kaur, M.N Kienzle-Focacci, D Kim, J.K Kim, S.C Kim, Y.G Kim, W.W Kinnison, A Kirkby, D Kirkby, J Kirkby, W Kittel, A Klimentov, A.C König, A Köngeter, I Korolko, V Koutsenko, A Koulbardis, R.W Kraemer, T Kramer, W Krenz, H Kuijten, A Kunin, P Ladron de Guevara, G Landi, C Lapoint, K Lassila-Perini, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P Le Coultre, J.S Lee, K.Y Lee, J.M Le Goff, R Leiste, M Lenti, E Leonardi, P Levtchenko, C Li, E Lieb, W.T Lin, F.L Linde, B Lindemann, L Lista, Z.A Liu, W Lohmann, E Longo, W Lu, Y.S Lu, K Lübelsmeyer, C Luci, D Luckey, L Ludovici, L Luminari, W Lustermann, W.G Ma, S Macchiolo, M Maity, G Majumder, L Malgeri, A Malinin, C Maña, S Mangla, P Marchesini, A Marin, J.P Martin, F Marzano, G.G.G Massaro, K Mazumdar, D McNally, R.R McNeil, S Mele, L Merola, M Meschini, W.J Metzger, M von der Mey, Y Mi, A Mihul, A.J.W van Mil, G Mirabelli, J Mnich, M Möller, B Monteleoni, R Moore, S Morganti, R Mount, S Müller, F Muheim, E Nagy, S Nahn, M Napolitano, F Nessi-Tedaldi, H Newman, A Nippe, H Nowak, G Organtini, R Ostonen, D Pandoulas, S Paoletti, P Paolucci, H.K Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Pauss, D Peach, Y.J Pei, S Pensotti, D Perret-Gallix, S Petrak, A Pevsner, D Piccolo, M Pieri, J.C Pinto, P.A Piroué, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, N Produit, R Raghavan, G Rahal-Callot, P.G Rancoita, M Rattaggi, G Raven, P Razis, K Read, D Ren, M Rescigno, S Reucroft, T van Rhee, A Ricker, S Riemann, B.C Riemers, K Riles, S Ro, A Robohm, J Rodin, F.J Rodriguez, B.P Roe, S Röhner, L Romero, S Rosier-Lees, Ph Rosselet, W van Rossum, S Roth, J.A Rubio, H Rykaczewski, J Salicio, E Sanchez, A Santocchia, M.E Sarakinos, S Sarkar, M Sassowsky, C Schäfer, V Schegelsky, S Schmidt-Kaerst, D Schmitz, P Schmitz, M Schneegans, B Schoeneich, N Scholz, H Schopper, D.J Schotanus, R Schulte, K Schultze, J Schwenke, G Schwering, C Sciacca, D Sciarrino, J.C Sens, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, T Siedenburg, D Son, A Sopczak, B Smith, P Spillantini, M Steuer, D.P Stickland, F Sticozzi, H Stone, B Stoyanov, A Straessner, K Strauch, K Sudhakar, G Sultanov, L.Z Sun, G.F Susinno, H Suter, J.D Swain, X.W Tang, L Tauscher, L Taylor, Samuel C.C Ting, S.M Ting, O Toker, F Tonisch, M Tonutti, S.C Tonwar, J Tóth, A Tsaregorodtsev, C Tully, H Tuchscherer, K.L Tung, J Ulbricht, U Uwer, E Valente, R.T Van de Walle, I Vetlitsky, G Viertel, M Vivargent, R Völkert, H Vogel, H Vogt, I Vorobiev, A.A Vorobyov, An.A Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, J.C Wang, X.L Wang, Y.F Wang, Z.M Wang, A Weber, F Wittgenstein, S.X Wu, S Wynhoff, J Xu, Z.Z Xu, B.Z Yang, C.G Yang, X.Y Yao, J.B Ye, S.C Yeh, J.M You, C Zaccardelli, An Zalite, P Zemp, Y Zeng, Z Zhang, Z.P Zhang, B Zhou, Y Zhou, G.Y Zhu, R.Y Zhu, and A Zichichi
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Annihilation, Muon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, High Energy Physics::Phenomenology, Electron, 01 natural sciences, 7. Clean energy, Nuclear physics, MAJORANA, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Lepton
Abstract: A search for unstable sequential neutral and charged heavy leptons has been made at center-of-mass energies 130 and 136 GeV with the L3 detector at LEP. The neutral leptons are assumed to decay via mixing to electrons and muons. No evidence for their existence was found. We exclude unstable Dirac neutrinos for masses below 59.3 (57.9) GeV and unstable Majorana neutrinos below 48.6 (47.2) GeV if the neutrino couples to the electron(muon) family. We exclude unstable charged heavy leptons for masses below 61 GeV for a wide range of the associated neutral lepton mass.
Published: 1996
Full Text: View/download PDF

43. Search for supersymmetric particles at at LEP

Author: M Acciarri, A Adam, O Adriani, M Aguilar-Benitez, S Ahlen, B Alpat, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, M.G Alviggi, G Ambrosi, H Anderhub, V.P Andreev, T Angelescu, D Antreasyan, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, R.C Ball, S Banerjee, K Banicz, R Barillère, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, B.L Betev, M Biasini, A Biland, G.M Bilei, J.J Blaising, S.C Blyth, G.J Bobbink, R Bock, A Böhm, B Borgia, A Boucham, D Bourilkov, M Bourquin, E Brambilla, J.G Branson, V Brigljevic, I.C Brock, A Buijs, A Bujak, J.D Burger, W.J Burger, J Busenitz, A Buytenhuijs, X.D Cai, M Campanelli, M Capell, G.Cara Romeo, M Caria, G Carlino, A.M Cartacci, J Casaus, G Castellini, R Castello, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, A Chan, Y.H Chang, U.K Chaturvedi, M Chemarin, A Chen, C Chen, G Chen, G.M Chen, H.F Chen, H.S Chen, X Chereau, G Chiefari, C.Y Chien, M.T Choi, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, H.O Cohn, G Coignet, A.P Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B de la Cruz, T.S Dai, R D'Alessandro, R de Asmundis, H De Boeck, A Degré, K Deiters, P Denes, F DeNotaristefani, D DiBitonto, M Diemoz, D van Dierendonck, F Di Lodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, I Dorne, M.T Dova, E Drago, D Duchesneau, P Duinker, I Duran, S Dutta, S Easo, Yu Efremenko, H El Mamouni, A Engler, F.J Eppling, F.C Erné, J.P Ernenwein, P Extermann, M Fabre, R Faccini, S Falciano, A Favara, J Fay, M Felcini, T Ferguson, D Fernandez, F Ferroni, H Fesefeldt, E Fiandrini, J.H Field, F Filthaut, P.H Fisher, G Forconi, L Fredj, K Freudenreich, Yu Galaktionov, S.N Ganguli, S.S Gau, S Gentile, J Gerald, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, Z.F Gong, A Gougas, G Gratta, M.W Gruenewald, V.K Gupta, A Gurtu, L.J Gutay, K Hangarter, B Hartmann, A Hasan, J.T He, T Hebbeker, A Hervé, W.C van Hoek, H Hofer, H Hoorani, S.R Hou, G Hu, M.M Ilyas, V Innocente, H Janssen, B.N Jin, L.W Jones, P de Jong, I Josa-Mutuberria, A Kasser, R.A Khan, Yu Kamyshkov, P Kapinos, J.S Kapustinsky, Y Karyotakis, M Kaur, M.N Kienzle-Focacci, D Kim, J.K Kim, S.C Kim, Y.G Kim, W.W Kinnison, A Kirkby, D Kirkby, J Kirkby, W Kittel, A Klimentov, A.C König, A Köngeter, I Korolko, V Koutsenko, A Koulbardis, R.W Kraemer, T Kramer, W Krenz, H Kuijten, A Kunin, P.Ladron de Guevara, G Landi, C Lapoint, K Lassila-Perini, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P Le Coultre, J.S Lee, K.Y Lee, J.M Le Goff, R Leiste, M Lenti, E Leonardi, P Levtchenko, C Li, E Lieb, W.T Lin, F.L Linde, B Lindemann, L Lista, Z.A Liu, W Lohmann, E Longo, W Lu, Y.S Lu, K Lübelsmeyer, C Luci, D Luckey, L Ludovici, L Luminari, W Lustermann, W.G Ma, A Macchiolo, M Maity, G Majumder, L Malgeri, A Malinin, C Maña, S Mangla, P Marchesini, A Marin, J.P Martin, F Marzano, G.G.G Massaro, K Mazumdar, D McNally, R.R McNeil, S Mele, L Merola, M Meschini, W.J Metzger, M von der Mey, Y Mi, A Mihul, A.J.W van Mil, G Mirabelli, J Mnich, M Möller, B Monteleoni, R Moore, S Morganti, R Mount, S Müller, F Muheim, E Nagy, S Nahn, M Napolitano, F Nessi-Tedaldi, H Newman, A Nippe, H Nowak, G Organtini, R Ostonen, D Pandoulas, S Paoletti, P Paolucci, H.K Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Pauss, D Peach, Y.J Pei, S Pensotti, D Perret-Gallix, S Petrak, A Pevsner, D Piccolo, M Pieri, J.C Pinto, P.A Piroué, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, N Produit, R Raghavan, G Rahal-Callot, P.G Rancoita, M Rattaggi, G Raven, P Razis, K Read, M Redaelli, D Ren, M Rescigno, S Reucroft, A Ricker, S Riemann, B.C Riemers, K Riles, S Ro, A Robohm, J Rodin, F.J Rodriguez, B.P Roe, S Röhner, L Romero, S Rosier-Lees, Ph Rosselet, W van Rossum, S Roth, J.A Rubio, H Rykaczewski, J Salicio, E Sanchez, A Santocchia, M.E Sarakinos, S Sarkar, M Sassowsky, C Schäfer, V Schegelsky, S Schmidt-Kaerst, D Schmitz, P Schmitz, M Schneegans, B Schoeneich, N Scholz, H Schopper, D.J Schotanus, R Schulte, K Schultze, J Schwenke, G Schwering, C Sciacca, D Sciarrino, J.C Sens, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, T Siedenburg, D Son, A Sopczak, B Smith, P Spillantini, M Steuer, D.P Stickland, F Sticozzi, H Stone, B Stoyanov, A Straessner, K Strauch, K Sudhakar, G Sultanov, L.Z Sun, G.F Susinno, H Suter, J.D Swain, X.W Tang, L Tauscher, L Taylor, Samuel C.C Ting, S.M Ting, O Toker, F Tonisch, M Tonutti, S.C Tonwar, J Tóth, A Tsaregorodtsev, C Tully, H Tuchscherer, K.L Tung, J Ulbricht, U Uwer, E Valente, R.T Van de Walle, I Vetlitsky, G Viertel, M Vivargent, R Völkert, H Vogel, H Vogt, I Vorobiev, A.A Vorobyov, An.A Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, J.C Wang, X.L Wang, Y.F Wang, Z.M Wang, A Weber, F Wittgenstein, S.X Wu, S Wynhoff, J Xu, Z.Z Xu, B.Z Yang, C.G Yang, X.Y Yao, J.B Ye, S.C Yeh, J.M You, C Zaccardelli, An Zalite, P Zemp, J.Y Zeng, Y Zeng, Z Zhang, Z.P Zhang, B Zhou, G.J Zhou, Y Zhou, G.Y Zhu, R.Y Zhu, and A Zichichi
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Supersymmetry, 01 natural sciences, 7. Clean energy, law.invention, Nuclear physics, Chargino, law, 0103 physical sciences, Neutralino, High Energy Physics::Experiment, 010306 general physics, Collider
Abstract: A search for supersymmetric particles (charginos, neutralinos, sleptons and stop quarks) has been performed with data collected by the L3 detector during the November 1995 run of the LEP collider at centre of mass energies between 130 and 140 GeV with a total integrated luminosity of 5.1 pb−1. We observe no signal for supersymmetric particles and we set improved exclusion limits on their production cross sections and masses.
Published: 1996
Full Text: View/download PDF

44. Measurement of muon-pair production at at LEP

Author: M. Acciarri, A. Adam, O. Adriani, M. Aguilar-Benitez, S. Ahlen, B. Alpat, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, D. Antreasyan, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, R.C. Ball, S. Banerjee, K. Banicz, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, B. Borgia, A. Boucham, D. Bourilkov, M. Bourquin, D. Boutigny, E. Brambilla, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buijs, A. Bujak, J.D. Burger, W.J. Burger, J. Busenitz, A. Buytenhuijs, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, R. Castello, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, A. Chan, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, M. Chen, G. Chiefari, C.Y. Chien, M.T. Choi, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, T.S. Dai, R. D'Alessandro, R. de Asmundis, H. De Boeck, A. Degré, K. Deiters, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, I. Dorne, M.T. Dova, E. Drago, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, M. Felcini, T. Ferguson, D. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, Yu. Galaktionov, S.N. Ganguli, S.S. Gau, S. Gentile, J. Gerald, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay, K. Hangarter, B. Hartmann, A. Hasan, J.T. He, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, M.M. Ilyas, V. Innocente, H. Janssen, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, Yu. Kamyshkov, P. Kapinos, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, A. Köngeter, I. Korolko, V. Koutsenko, A. Koulbardis, R.W. Kraemer, T. Kramer, W. Krenz, H. Kuijten, A. Kunin, P. Ladron de Guevara, G. Landi, C. Lapoint, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.S. Lee, K.Y. Lee, C. Leggett, J.M. Le Goff, R. Leiste, M. Lenti, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, B. Lindemann, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Ludovici, L. Luminari, W. Lustermann, W.G. Ma, A. Macchiolo, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, S. Mangla, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, D. McNally, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, M. Möller, B. Monteleoni, R. Moore, S. Morganti, R. Mount, S. Müller, F. Muheim, E. Nagy, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nippe, H. Nowak, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, Y.J. Pei, S. Pensotti, D. Perret-Gallix, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, R. Raghavan, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, M. Redaelli, D. Ren, M. Rescigno, S. Reucroft, A. Ricker, S. Riemann, B.C. Riemers, K. Riles, O. Rind, S. Ro, A. Robohm, J. Rodin, F.J. Rodriguez, B.P. Roe, S. Röhner, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, H. Rykaczewski, J. Salicio, E. Sanchez, A. Santocchia, M.E. Sarakinos, S. Sarkar, M. Sassowsky, G. Sauvage, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, P. Schmitz, M. Schneegans, B. Schoeneich, N. Scholz, H. Schopper, D.J. Schotanus, R. Schulte, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, J.C. Sens, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, T. Siedenburg, D. Son, A. Sopczak, V. Soulimov, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, F. Sticozzi, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, O. Toker, F. Tonisch, M. Tonutti, S.C. Tonwar, J. Tóth, A. Tsaregorodtsev, C. Tully, H. Tuchscherer, K.L. Tung, J. Ulbricht, U. Uwer, E. Valente, R.T. Van de Walle, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, A. Weber, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, C. Zaccardelli, An. Zalite, P. Zemp, J.Y. Zeng, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.J. Zhou, Y. Zhou, G.Y. Zhu, R.Y. Zhu, and A. Zichichi
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Luminosity (scattering theory), Muon, Photon, 010308 nuclear & particles physics, Detector, Charge (physics), 7. Clean energy, 01 natural sciences, Resonance (particle physics), Nuclear physics, Pair production, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract: Using the data recorded with the L3 detector at LEP, we study the process e + e − → μ + μ − ( γ ) for events with hard initial-state photon radiation. The effective centre-of-mass energies of the muons range from 50 GeV to 86 GeV. The data sample corresponds to an integrated luminosity of 103.5 pb −1 and yields 293 muon-pair events with a hard photon along the beam direction. The events are used to determine the cross sections and the forward-backward charge asymmetries at centre-of-mass energies below the Z resonance.
Published: 1996
Full Text: View/download PDF

45. Study of the structure of hadronic events and determination of αS at

Author: Pablo Garcia-Abia, Alain Hervé, Roberto Battiston, P. Marchesini, A. Bay, V. Brigljevic, Gerjan Bobbink, B. Borgia, Carlo Civinini, J. Ulbricht, G. Forconi, Gerard Fernandez, M. Maolinbay, G. Raven, A. Marin, S. Pensotti, B. De La Cruz, Raffaello D'Alessandro, M. Rescigno, M. Aguilar-Benitez, Igor Vorobiev, G. Hu, P. Levtchenko, H. Postema, Leonardo Merola, Panos A Razis, R. T. Van de Walle, I. Clare, H. De Boeck, L. Tauscher, Y. J. Pei, Carlos Willmott, T. Azemoon, B. Lindemann, Speranza Falciano, E. Dénes, P. Pistolesi, O. Toker, T. Paul, S. Costantini, T. Siedenburg, Marcos Cerrada, Y. G. Kim, Peter H. Fisher, Roberto Castello, S. Reucroft, A. Kasser, Y. Zhou, G. Gratta, Y. Karyotakis, Y. Mi, Peter Denes, O. Rind, D.W. Schmitz, G. Pascale, Y. H. Chang, N. Shivarov, Claudio Luci, Robert Clare, A. Arefiev, R. R. McNeil, J. Berdugo, L. Z. Sun, George Alverson, Marco Pieri, E. J. Sanchez, Tariq Aziz, M. Möller, J. S. Kapustinsky, W. G. Ma, Thomas Hebbeker, I. Dorne, M. Redaelli, G. Landi, Paul Lecoq, R. W. Kraemer, M. Napolitano, S. Petrak, Francesca Cavallari, C. Leggett, H. F. Chen, R. Leiste, E. Valente, Pierluigi Paolucci, M. Gailloud, L. Fredj, U. K. Chaturvedi, D. McNally, Christoph Paus, Lamberto Luminari, Yu. Galaktionov, A. Buytenhuijs, E. Brambilla, Y. S. Lu, C. Burgos, D. Duchesneau, H. S. Chen, T. E. Coan, L. J. Gutay, L. Servoli, J. G. Branson, S. S. Gau, Dimitri Bourilkov, W. Lu, Yuri Efremenko, G. Chiefari, S. Shevchenko, Federico Cindolo, S. Mangla, Valery Schegelsky, Antonino Zichichi, F. Ferroni, V. Pojidaev, M. Schneegans, U. Becker, I. Duran, H. Rykaczewski, Giovanni Organtini, J. H. Field, C. Y. Chien, J. Alcaraz, Y. Zeng, J. P. Ernenwein, S. X. Wu, R. C. Ball, Davide Piccolo, A. Kirkby, F. Behner, Andrea Baschirotto, K. Riles, P. Spillantini, S. N. Ganguli, J. D. Swaint, F. Marzano, B. Stoyanov, Bryan R. Smith, B. Monteleoni, F. Sticozzi, Alessandra Doria, Simone Paoletti, Suchandra Dutta, J. P. Martin, G. Coignet, W. Krenz, G. Y. Zhu, E. Shumilov, A. Lebedev, Dong-Chul Son, T. Kramer, J. J. Blaising, F. J. Eppling, G. J. Zhou, L. W. Jones, Stefano Giagu, Cheng Chen, A. Mihul, P. Extermann, S. Schmidt-Kaerst, Salvatore Mele, F. J. Rodriguez, H. R. Gustafson, M. Lebeau, S. C. Tonwar, S. Röhner, S. M. Ting, J. S. Lee, A. Degré, C. Zaccardelli, Werner Lustermann, R. Barillère, V. Shoutko, K. Sudhakar, W. C. van Hoek, Frank Filthaut, Hans J. Vogel, S. Morganti, J. C. Sens, B. C. Riemers, P. Lecomte, J. Schwenke, Christoph Schäfer, B. Z. Yang, Ren-Yuan Zhu, Luciano Barone, D. Antreasyan, Crisostomo Sciacca, F. Wittgenstein, W. W. Kinnison, S. C. Yeh, M. Rattaggi, L. Ludovici, A. Adam, D. Pandoulas, M. von der Mey, Thomas Ferguson, N. Scholz, J. Y. Zeng, J. B. Ye, Howard A. Stone, M. Wadhwa, D. J. Schotanus, H. Hofer, W. J. Burger, An.A. Vorobyov, A. Gurtu, F. Tonisch, E. Drago, R. Völkert, A. P. Colijn, M. Tonutti, K. L. Tung, Els Koffeman, V. Commichau, E. Fiandrini, L. Romero, L. Malgeri, B. Schoeneich, H. Schopper, S. C. Blyth, R. Ostonen, G. Passaleva, M. W. Gruenewald, Gianpaolo Carlino, Konrad Deiters, I. Josa-Mutuberria, P. Kapinos, Samuel C.C. Ting, J. Rodin, Marco Meschini, B. Hartmann, J. Tóth, Harvey B Newman, D. Kirkby, Michael Dittmar, O. Adriani, G. Cara Romeo, B. P. Roe, A. Hasan, M. Pauluzzi, Attilio Santocchia, Jean Fay, F. C. Erné, C. Cecchi, P. Schmitz, G. M. Bilei, Alberto Aloisio, A. Ricker, I. Vetlitsky, W. van Rossum, Lucas Taylor, J. Gerald, R. Faccini, P. Duinker, Simonetta Gentile, M. Bourquin, D. Boutigny, K. Strauch, Subir Sarkar, M. G. Alviggi, X. L. Wang, G. G.G. Massaro, A. Chen, L. Urbán, Adrian Biland, M. Campanelli, Christopher George Tully, P. Lebrun, M. Vivargent, K. Freudenreich, A. Bujak, M. Pohl, Joachim Mnich, Nicolas Produit, A. Klimentov, T. Angelescu, R. de Jong, H. Janssen, Kenneth Francis Read, Wolfgang Lohmann, J.V. Allaby, E. Lieb, P. Bartalini, D. Ren, Jasper Kirkby, H. Vogt, B. Bertucci, M. Acciarri, Guo-Ming Chen, M. Sassowsky, A. J.W. van Mil, S. Patricelli, S. C. Kim, U. Uwer, J. Casaus, Yu. Kamyshkov, J. Shukla, X. W. Tang, D. DiBitonto, A. Robohm, D. van Dierendonck, Nicanor Colino, J. Salicio, P. A. Piroué, G. Viertel, B. Zhou, P. Laurikainen, A. Chan, A. Engler, Marcella Diemoz, M. T. Choi, M. Steuer, S. Easo, Kati Lassila-Perini, Francesca Nessi-Tedaldi, V. Plyaskin, J. D. Burger, Giovanni Ambrosi, M. Capell, C. G. Yang, B. C.C. van der Zwaan, G. Rahal-Callot, M. T. Dova, A. Köngeter, K. Banicz, H. S. Fesefeldt, P. G. Rancoita, L. Cifarelli, H. O. Cohn, D. Perret-Gallix, Y. F. Wang, R. Weill, F. Muheim, C. Maña, I. C. Brock, Paolo Bagnaia, K. Schultze, H. Suter, B. N. Jin, A. Böhm, H. Nowak, A. C. Weber, A. Buijs, G. Mirabelli, V. Soulimov, W. Wallraff, K. Lübelsmeyer, S. Banerjee, Zp Zhang, A. Pevsner, Egidio Longo, H. Tuchscherer, R. Fabbretti, C. Lapoint, A. Kunin, Roger Moore, Georgi Sultanov, T. S. Dai, R. A. Khan, V. P. Andreev, M. Chemarin, G. M. Chen, Aaron Dominguez, Felicitas Pauss, S. Rosier-Lees, P. Le Coultre, M. Basile, K. Hangarter, J. K. Kim, D. Luckey, Gy L. Bencze, Reinhard W. Schulte, M. M. Ilyas, Hafeez R Hoorani, A. Straessner, Luca Lista, W. J. Metzger, S. Goldfarb, D. Fernandez, Juven Wang, J. T. He, F. L. Linde, Willis Lin, Sabine Riemann, H. El Mamouni, F. Di Lodovico, A. M. Cartacci, R. Raghavan, A. C. König, Laurent Vuilleumier, D. Goujon, Andre Sopczak, Vincenzo Innocente, Joel Goldstein, H. Anderhub, S. P. Ahlen, P. Zemp, R. de Asmundis, A. Favara, Z. A. Liu, Z. Z. Xu, X. Y. Yao, J. G. Xu, M. Lenti, Stefan Roth, Dai-Sik Kim, J. M. Le Goff, N. Gheordanescu, P. G. Seiler, J. A. Rubio, S. R. Hou, F. Cesaroni, M. Chamizo, B. Alpat, Emilio Leonardi, B. L. Betev, R. Bock, L. Baksay, F. Cotorobai, Kajari Mazumdar, S. Müller, Xd Cai, C-Q. Li, V. K. Gupta, S. Ro, F. DeNotaristefani, A. Macchiolo, Manas Maity, J. M. Salicio, P. Berges, Steve Nahn, R. Mount, Nicola Cavallo, H. K. Park, A. Nippe, G. Castellini, Alexander Malinin, Z. F. Gong, H. Kuijten, M. N. Kienzle-Focacci, An. Zalite, A. Tsaregorodtsev, Maurizio Biasini, Marta Felcini, K. Y. Lee, Francesco Becattini, Gobinda Majumder, W. Kittel, E. Gonzalez, E. Nagy, S. Wynhoff, M. Fabre, P. Rosselet, J. M. You, M. Caria, D. P. Stickland, A. Koulbardis, V. Koutsenko, Zheng Wang, Zhenyu Zhang, X. Chereau, M. E. Sarakinos, P. Ladron de Guevara, A. Gougas, G. Schwering, G. F. Susinno, J. C. Pinto, Manjit Kaur, J. Busenitz, A. Boucham, and C. Dionisi
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, High energy, Luminosity (scattering theory), 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, Structure (category theory), 01 natural sciences, Nuclear physics, 0103 physical sciences, Strong coupling, High Energy Physics::Experiment, 010306 general physics, Event (particle physics)
Abstract: We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb-1 collected during the high energy run of 1995. The shapes of the event shape distributions and the energy dependence of their mean values are well reproduced by QCD models. From a comparison of the data with resummed O(alpha_s^2) QCD calculations, we determine the strong coupling constant to be alpha_s(133 GeV) = 0.107 +/- 0.005(exp) +/- 0.006(theor).
Published: 1996
Full Text: View/download PDF

46. Search for excited leptons in e+e− annihilation at = 130-140

Author: M. Acciarri, A. Adam, O. Adriani, M. Aguilar-Benitez, S. Ahlen, B. Alpat, J. Alcaraz, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, D. Antreasyan, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, R.C. Ball, S. Banerjee, K. Banicz, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, Gy.L. Bencze, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, B. Borgia, A. Boucham, D. Bourilkov, M. Bourquin, D. Boutigny, E. Brambilla, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buijs, A. Bujak, J.D. Burger, W.J. Burger, C. Burgos, J. Busenitz, A. Buytenhuijs, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, R. Castello, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, A. Chan, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, M.T. Choi, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, T.E. Coan, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, T.S. Dai, R. D'Alessandro, R. de Asmundis, H. De Boeck, A. Degré, K. Deiters, E. Dénes, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, I. Dorne, M.T. Dova, E. Drago, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, R. Fabbretti, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, M. Felcini, T. Ferguson, D. Fernandez, G. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, M. Gailloud, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, J. Gerald, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, E. Gonzalez, A. Gougas, D. Goujon, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, H.R. Gustafson, L.J. Gutay, K. Hangarter, B. Hartmann, A. Hasan, J.T. He, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, M.M. Ilyas, V. Innocente, H. Janssen, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, Yu. Kamyshkov, P. Kapinos, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, E. Koffeman, A. Köngeter, V. Koutsenko, A. Koulbardis, R.W. Kraemer, T. Kramer, W. Krenz, H. Kuijten, A. Kunin, P. Ladron de Guevara, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.S. Lee, K.Y. Lee, C. Leggett, J.M. Le Goff, R. Leiste, M. Lenti, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, B. Lindemann, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Ludovici, L. Luminari, W. Lustermann, W.G. Ma, A. Macchiolo, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, S. Mangla, M. Maolinbay, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, D. McNally, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, M. Möller, B. Monteleoni, R. Moore, S. Morganti, R. Mount, S. Müller, F. Muheim, E. Nagy, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nippe, H. Nowak, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, Y.J. Pei, S. Pensotti, D. Perret-Gallix, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, R. Raghavan, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, M. Redaelli, D. Ren, M. Rescigno, S. Reucroft, A. Ricker, S. Riemann, B.C. Riemers, K. Riles, O. Rind, S. Ro, A. Robohm, J. Rodin, F.J. Rodriguez, B.P. Roe, S. Röhner, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, H. Rykaczewski, J. Salicio, J.M. Salicio, E. Sanchez, A. Santocchia, M.E. Sarakinos, S. Sarkar, M. Sassowsky, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, P. Schmitz, M. Schneegans, B. Schoeneich, N. Scholz, H. Schopper, D.J. Schotanus, R. Schulte, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, P.G. Seiler, J.C. Sens, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, T. Siedenburg, D. Son, A. Sopczak, V. Soulimov, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, F. Sticozzi, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, O. Toker, F. Tonisch, M. Tonutti, S.C. Tonwar, J. Tóth, A. Tsaregorodtsev, C. Tully, H. Tuchscherer, K.L. Tung, J. Ulbricht, L. Urbán, U. Uwer, E. Valente, R.T. Van de Walle, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, L. Vuilleumier, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, A. Weber, R. Weill, C. Willmott, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, C. Zaccardelli, An. Zalite, P. Zemp, J.Y. Zeng, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.J. Zhou, Y. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, and B.C.C. van der Zwaan
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Electron–positron annihilation, Electron, 7. Clean energy, 01 natural sciences, Nuclear physics, Excited state, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Lepton
Abstract: We report on a search for the excited leptons e ∗ , μ ∗ , τ ∗ and ν ∗ in e + e − collisions at s = 130-140 GeV using the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected pair produced l ∗ l ∗ in the channels eeγγ, μμγγ, ττγγ, eeWW, and ννγγ, we determine the lower mass limits at 95% C.L. of 64.7 GeV for e ∗ , 64.9 GeV for μ ∗ , 64.2 GeV for τ ∗ , 57.3 GeV (eW decay mode) and 61.4 GeV (νγ decay mode) for ν ∗ . From an analysis of the expected singly produced ll ∗ in the channels eeγ, μμγ, ττγ, νeW and ννγ, we determine upper limits on the couplings λ m l ∗ up to m l ∗ = 130 GeV .
Published: 1996
Full Text: View/download PDF

47. Study of the KS0KS0 final state in two-photon collisions

Author: Roberto Battiston, S. X. Wu, Gerjan Bobbink, D. DiBitonto, Ph. Rosselet, M. Steuer, B. Borgia, J. Ulbricht, K. Banicz, D. Perret-Gallix, P. Lebrun, Samuel C.C. Ting, J. Y. Zeng, B. De La Cruz, Jasper Kirkby, M. Sassowsky, A. J.W. van Mil, H. De Boeck, G. Passaleva, M. W. Gruenewald, F. J. Rodriguez, H. R. Gustafson, A. Lebedev, Dong-Chul Son, T. Kramer, I. Josa-Mutuberria, J. J. Blaising, Yu. Galaktionov, J. Rodin, A. Arefiev, Yu. Efremenko, Alessandra Doria, R. Malik, Aa Vorobyov, E. Brambilla, Stefano Giagu, K. Riles, F. Marzano, G. Coignet, W. Krenz, D. Pandoulas, F. Di Lodovico, M. Acciarri, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. Rykaczewski, Giovanni Organtini, G. Hu, J. Alcaraz, Guo-Ming Chen, F. L. Linde, A. Nippe, An.A. Vorobyov, P. Vikas, F. Cesaroni, U. Uwer, A. Chen, I. Clare, D. van Dierendonck, J. Salicio, G. Tsipolitis, M. Chamizo, S. Easo, Kati Lassila-Perini, Y. H. Chang, Mariagrazia Alviggi, Alexander Malinin, J. P. Ernenwein, V. Plyaskin, T. Spickermann, George Alverson, A. Kasser, Michael Dittmar, Aaron Dominguez, G. Schwering, Felicitas Pauss, M. Schneegans, D. Goujon, J. S. Kapustinsky, O. Adriani, Carlos Willmott, Egidio Longo, H. Tuchscherer, Cheng Chen, A. Mihul, Lucas Taylor, P.V.K.S. Baba, H. Kuijten, I. Vetlitsky, S. Rosier-Lees, Vincenzo Innocente, B. Alpat, Bryan R. Smith, T. E. Coan, Emilio Leonardi, G. F. Susinno, Speranza Falciano, P. Le Coultre, M. Basile, I. Dorne, M. Redaelli, J.V. Allaby, M. T. Dova, Mingshui Chen, H. O. Cohn, W. van Rossum, J. Gerald, R. Faccini, W. J. Burger, N. Scholz, C. Zaccardelli, W. W. Kinnison, Attilio Santocchia, Jean Fay, M. N. Kienzle-Focacci, T. Angelescu, M. M. Ilyas, S. Patricelli, R. Bock, D. Boutigny, Peter Denes, X. L. Wang, S. Braccini, U. K. Chaturvedi, Davide Piccolo, Y. S. Lu, S. N. Ganguli, E. Lieb, F. Ferroni, R. Leiste, J. C. Pinto, Christoph Paus, Y. Zeng, X. T. Cui, Adrian Biland, G. G.G. Massaro, M. Pauluzzi, Zhuoxiang Ren, S. R. Hou, M. Wadhwa, J. Busenitz, J. D. Swain, Marcella Diemoz, J. Casaus, Q. Ye, Yu. Kamyshkov, Y. J. Pei, J. K. Kim, L. Baksay, A. Chan, Nicolas Produit, F. Cotorobai, S. Röhner, A. Degré, D. J. Schotanus, J. H. Field, C. Y. Chien, J. B. Ye, P. Laurikainen, M. A. Niaz, A. Kirkby, D. Luckey, Gy L. Bencze, B. Stoyanov, H. El Mamouni, K. Sudhakar, F. Wittgenstein, A. Tsaregorodtsey, S. Reucroft, Marco Meschini, D. Antreasyan, Gian Mario Bilei, V. Soulimov, Qi An, Reinhard W. Schulte, D. Kirkby, M. Lebeau, M. Rattaggi, Ren-Yuan Zhu, Luciano Barone, L. Fredj, J. M. You, B. Monteleoni, F. Sticozzi, C. G. Yang, H. Anderhub, Y. F. Wang, P. Extermann, Christoph Schäfer, B. Z. Yang, H. Hofer, Raffaello D'Alessandro, A. Engler, L. Ludovici, H. A. Rizvi, Roger Moore, B. Schoeneich, Minkyoo Choi, A. Gurtu, Els Koffeman, Helmut Vogel, P. Kapinos, P. Duinker, M. Caria, V. Commichau, A. Kunin, Georgi Sultanov, E. Drago, T. S. Dai, D. Ren, M. Capell, R. Morand, G. Forconi, G. A. Yang, Gerard Fernandez, K. Y. Lee, Leonardo Merola, H. S. Fesefeldt, P. Marchesini, J. Shukla, A. M. Cartacci, R. A. Khan, Simonetta Gentile, Paolo Bagnaia, R. Raghavan, Hafeez R Hoorani, Christopher George Tully, Ming Zeng, V. Brigljevic, B. Hartmann, A. Klimentov, A. Hasan, A. Koulbardis, A. Böhm, Howard A. Stone, R. Ostonen, E. Pistolesi, F. Tonisch, S. Mele, F. C. Erné, P. Schmitz, R. Weill, F. Muheim, Jozsef Toth, L. Tauscher, Kajari Mazumdar, A. Marin, M. Röhner, H. Janssen, V. P. Andreev, T. Azemoon, Kenneth Francis Read, Wolfgang Lohmann, H. Vogt, N. Yunus, M. Chemarin, S. Khokhar, S. Müller, B. Bertucci, S. C. Kim, G. Landi, A. C. Weber, G. M. Chen, Pierluigi Paolucci, M. Gailloud, T. Paul, Marcos Cerrada, Nicanor Colino, G. Gratta, Peter H. Fisher, Roberto Castello, Simone Paoletti, Suchandra Dutta, Xd Cai, Y. Mi, R. T. Van de Walle, W. Lu, Luisa Cifarelli, Z. A. Liu, J. M. Salicio, U. Vikas, A. P. Colijn, A. C. König, Laurent Vuilleumier, K. Freudenreich, W. J. Metzger, S. Goldfarb, V. Koutsenko, S. P. Ahlen, J. F. Zhou, Manjit Kaur, M. Rescigno, G. Mirabelli, P. de Jong, Federico Cindolo, S. Mangla, X. Y. Yao, L. J. Gutay, U. Becker, J. G. Xu, R. Mount, Francesca Cavallari, C. Leggett, M. Guanziroli, K. Lübelsmeyer, Piero Spillantini, Jongmin Lee, M. Lenti, P. Zemp, Stefan Roth, R. de Asmundis, J. T. He, Joel Goldstein, O. Rind, Nicola Cavallo, I. Duran, C. Maña, I. C. Brock, L. Urbán, E. Valente, J. M. Le Goff, Giovanni Ambrosi, W. C. van Hoek, Frank Filthaut, S. S. Gau, A. Favara, Z. Z. Xu, An. Zalite, J. P. Martin, N. Gheordanescu, F. J. Eppling, G. J. Zhou, L. W. Jones, B. Lindemann, Lamberto Luminari, D. McNally, S. M. Ting, P. G. Seiler, J. A. Rubio, R. Timellini, Luciano Romero, Thomas Ferguson, A. Buijs, V. Pojidaev, G. Castellini, Yongsun Kim, G. Y. Zhu, E. Shumilov, E. Dénes, R. Sehgal, D. Duchesneau, G. Viertel, Chenjie Gu, G. Cara Romeo, B. P. Roe, David Stickland, R. Fabbretti, C. Lapoint, C. Cecchi, Z. F. Gong, V. Shoutko, J. C. Sens, B. C. Riemers, R. C. Ball, Pierre Lecomte, G. Sartorelli, M. Möller, C-Q. Li, V. K. Gupta, D.W. Schmitz, G. Pascale, S. Morganti, A. Pevsner, N. Shivarov, Claudio Luci, Subir Sarkar, A. Adam, Werner Lustermann, J. Schwenke, H. F. Chen, X. Y. Cui, Pierre Piroué, L. Z. Sun, P. G. Rancoita, S. Costantini, Robert Clare, W. G. Ma, Luca Lista, D. Fernandez, W. Kittel, R. Völkert, James G Branson, Juven Wang, Yanwen Liu, M. Tonutti, A. Buytenhuijs, B. N. Jin, C. Burgos, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, A. Bujak, Oliver Kornadt, M. Pohl, M. Napolitano, S. Petrak, H. Nowak, Willis Lin, Igor Vorobiev, P. Levtchenko, S. Ro, Sabine Riemann, Panos A Razis, E. Nagy, G. Chiefari, S. Shevchenko, L. Servoli, Dai-Sik Kim, M. Fabre, F. Behner, Andrea Baschirotto, W. Wallraff, A. Boucham, C. Dionisi, O. Toker, Pablo Garcia-Abia, S. Banerjee, Zp Zhang, R. Bizzarri, Gianpaolo Carlino, F. DeNotaristefani, B. L. Betev, Alain Hervé, Tariq Aziz, Y. Karyotakis, J. Berdugo, A. Bay, E. J. Sanchez, Carlo Civinini, M. Maolinbay, G. Raven, Crisostomo Sciacca, Marco Pieri, M. Aguilar-Benitez, Zheng Wang, Zhenyu Zhang, Herwig Schopper, H. Postema, Konrad Deiters, Alberto Aloisio, A. Ricker, M. E. Sarakinos, X. W. Tang, P. Ladron de Guevara, Andre Sopczak, A. Macchiolo, B. Zhou, K. N. Qureshi, B. C.C. van der Zwaan, A. Gougas, Manas Maity, Sc Yeh, P. Berges, Steve Nahn, M. Vivargent, M. Bourquin, K. Strauch, Maurizio Biasini, Marta Felcini, Joachim Mnich, P. Bartalini, A. Robohm, Suresh C Tonwar, Francesco Becattini, Francesca Nessi-Tedaldi, J. D. Burger, G. Rahal-Callot, K. Schultze, E. Gonzalez, H. Suter, Y. Zhou, Y. Mir, C. H. Ye, Dimitri Bourilkov, N. E. Moulai, E. Fiandrini, Luca Malgeri, H. S. Chen, G. Sauvage, Harvey B Newman, K. Hilgers, S. Wynhoff, R. Barillère, Flores, Sylvie, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), and L3
Subjects: Physics, Nuclear and High Energy Physics, Luminosity (scattering theory), [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Meson, 010308 nuclear & particles physics, Branching fraction, Resonance, State (functional analysis), 01 natural sciences, Helicity, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Radiative transfer, Tensor, 010306 general physics, Particle Physics - Experiment
Abstract: The reaction \epem\ra\epem\gamma^*\gamma^*\ra\epem\kos\kos is studied with the L3 detector at LEP and the formation of the f_2\, \!\!\!'(1525) resonance is observed. For an integrated luminosity of 114 \pb, % \ collected over the years 1991-1994, 31\pm6 f_2\, \!\!\!' events are found. Their angular distribution is consistent with a pure helicity two. The radiative width times the branching ratio is measured to be \Gamma_{\gamma\gamma}(f_2\,\!\!\!')\times Br(f_2\ \!\!\!'\ra \k\bar{\k})=(0.093\pm 0.018\pm 0.022) keV. Only three events are found in the f_2(1270)-a_2(1320) mass region, consistent with destructive f_2-a_2 interference in the \kos\kos \ final state. The mixing angle of the tensor meson nonet is determined to be \theta=(29.4^{+1.4}_{-1.6})^\circ.
Published: 1995
Full Text: View/download PDF

48. Search for the decays Bd0 → γγ and Bs0 → γγ

Author: S. S. Gau, D. Pandoulas, G. Schwering, Y. Zhou, G. F. Susinno, S. X. Wu, T. Spickermann, J. C. Pinto, B. De La Cruz, Michael Dittmar, G. Hu, Roberto Battiston, Zheng Wang, Zhenyu Zhang, Carlos Willmott, D. DiBitonto, Speranza Falciano, M. E. Sarakinos, D.W. Schmitz, G. Pascale, W. Kittel, D. P. Stickland, Ph. Rosselet, P. Ladron de Guevara, Andre Sopczak, D. Antreasyan, N. Shivarov, Claudio Luci, M. Steuer, Gerjan Bobbink, Sc Yeh, Robert Clare, A. Gougas, L. Romero, B. Schoeneich, J. D. Swain, K. Banicz, D. Perret-Gallix, P. Kapinos, W. G. Ma, P. Duinker, Simonetta Gentile, A. Chan, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, Wt Lin, A. Klimentov, H. Janssen, F. Cesaroni, Kenneth Francis Read, M. Bourquin, E. Nagy, S. Easo, Kati Lassila-Perini, V. Plyaskin, B. Borgia, M. Chamizo, M. Lebeau, J. Ulbricht, M. Napolitano, S. Petrak, Y. F. Wang, K. Strauch, Joachim Mnich, Ren-Yuan Zhu, H. S. Chen, L. Servoli, G. Tsipolitis, W. van Rossum, Samuel C.C. Ting, Marco Meschini, A. Böhm, B. Alpat, J. Y. Zeng, Luciano Barone, M. Schneegans, D. Kirkby, A. Robohm, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, P. Marchesini, Maurizio Biasini, M. Fabre, T. Angelescu, Bryan R. Smith, Emilio Leonardi, R. Bock, E. Lieb, Yu. Galaktionov, A. C. Weber, S. Pensotti, Valery Schegelsky, Antonino Zichichi, H. El Mamouni, K. Sudhakar, M. T. Choi, Francesca Nessi-Tedaldi, J. Rodin, Y. J. Pei, Marta Felcini, J. Casaus, Yu. Kamyshkov, E. Dénes, J. Alcaraz, D. Duchesneau, Adrian Biland, A. Gurtu, J. D. Burger, Els Koffeman, Roger Moore, G. Rahal-Callot, G. Mirabelli, M. T. Dova, I. Clare, A. Arefiev, Y. G. Kim, Yu. Efremenko, V. Commichau, J. P. Ernenwein, H. Kuijten, J. B. Ye, P. Laurikainen, Tariq Aziz, Aa Vorobyov, F. Di Lodovico, K. Schultze, K. Lübelsmeyer, Piero Spillantini, Francesco Becattini, B. Hartmann, J. Busenitz, H. Suter, Y. H. Chang, H. Rykaczewski, Giovanni Organtini, L. Z. Sun, Christopher George Tully, Georgi Sultanov, M. N. Kienzle-Focacci, L. Baksay, F. Cotorobai, George Alverson, E. Brambilla, G. Cara Romeo, B. P. Roe, A. Hasan, C. G. Yang, M. Möller, T. S. Dai, C. Cecchi, Cheng Chen, A. Mihul, W. J. Burger, D. Goujon, V. Brigljevic, R. A. Khan, H. O. Cohn, J. S. Kapustinsky, C. Zaccardelli, V. Soulimov, A. Tsaregorodtsev, Subir Sarkar, K. Riles, W. W. Kinnison, R. Leiste, Christoph Paus, E. Gonzalez, A. Engler, M. Capell, F. Ferroni, A. Bujak, Oliver Kornadt, M. Pohl, J. M. You, Vincenzo Innocente, Wolfgang Lohmann, B. Monteleoni, H. Vogt, Lamberto Luminari, Y. Zeng, F. Marzano, G. Coignet, W. Krenz, Raffaello D'Alessandro, K. Y. Lee, J. M. Salicio, G. Landi, H. S. Fesefeldt, E. Pistolesi, B. Bertucci, Simone Paoletti, G. Forconi, Gerard Fernandez, Attilio Santocchia, Jozsef Toth, Jean Fay, M. Caria, Leonardo Merola, S. C. Kim, Nicanor Colino, D. Boutigny, F. Sticozzi, R. C. Ball, Pierre Lecomte, Pierluigi Paolucci, P. Lebrun, M. Gailloud, S. Röhner, Suchandra Dutta, R. Mount, Nicola Cavallo, S. Wynhoff, Igor Vorobiev, A. Nippe, Alexander Malinin, J. S. Lee, F. Wittgenstein, A. Koulbardis, G. M. Bilei, R. Morand, H. F. Chen, A. Buytenhuijs, C. Burgos, V. P. Andreev, L. Tauscher, W. Lu, M. Röhner, H. Anderhub, Werner Lustermann, Manjit Kaur, T. Azemoon, Howard A. Stone, L. Ludovici, Federico Cindolo, G. Castellini, Nicolas Produit, F. C. Erné, P. Schmitz, S. Mele, S. Reucroft, P. Levtchenko, S. Mangla, Kajari Mazumdar, F. Tonisch, M. Acciarri, E. Drago, T. Paul, Z. F. Gong, X. L. Wang, R. Ostonen, A. Lebedev, Guo-Ming Chen, Dong-Chul Son, T. Kramer, K. Freudenreich, G. Chiefari, F. L. Linde, S. Shevchenko, Panos A Razis, Egidio Longo, Marcos Cerrada, H. Tuchscherer, M. Chemarin, Giovanni Ambrosi, Y. Mi, P. de Jong, S. Müller, F. Behner, G. M. Chen, S. C. Tonwar, V. Koutsenko, J. J. Blaising, Stefano Giagu, A. Marin, R. Barillère, U. Uwer, Andrea Baschirotto, W. C. van Hoek, Frank Filthaut, S. P. Ahlen, A. Chen, D. van Dierendonck, C. Maña, I. C. Brock, J. Salicio, P. Zemp, L. Urbán, Alessandra Doria, Xd Cai, J.V. Allaby, Aaron Dominguez, Thomas Ferguson, R. de Asmundis, Mariagrazia Alviggi, S. Patricelli, Z. A. Liu, X. Y. Yao, An. Zalite, Felicitas Pauss, J. G. Xu, I. Dorne, M. Redaelli, I. Vetlitsky, A. Buijs, M. Lenti, Stefan Roth, A. Boucham, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, A. Kasser, C-Q. Li, V. K. Gupta, U. K. Chaturvedi, M. M. Ilyas, Y. S. Lu, A. Bay, Crisostomo Sciacca, S. Rosier-Lees, Marco Pieri, O. Toker, J. M. Le Goff, N. Gheordanescu, N. Scholz, S. Ro, R. Bizzarri, P. G. Seiler, J. A. Rubio, Carlo Civinini, P. Le Coultre, M. Basile, Gianpaolo Carlino, F. DeNotaristefani, S. R. Hou, M. Wadhwa, Jasper Kirkby, J. H. Field, C. Y. Chien, A. Kirkby, D. J. Schotanus, M. Maolinbay, G. Raven, Y. Karyotakis, M. Sassowsky, J. Berdugo, A. J.W. van Mil, H. De Boeck, L. Fredj, T. E. Coan, B. Stoyanov, J. G. Branson, M. Aguilar-Benitez, A. Macchiolo, Herwig Schopper, A. Pevsner, E. J. Sanchez, J. K. Kim, D. Luckey, Gy L. Bencze, Manas Maity, L. J. Gutay, H. Postema, R. T. Van de Walle, U. Becker, Davide Piccolo, Francesca Cavallari, C. Leggett, S. N. Ganguli, Reinhard W. Schulte, P. Berges, M. Rescigno, Peter Denes, Steve Nahn, I. Duran, Peter H. Fisher, A. Kunin, A. Degré, Konrad Deiters, Roberto Castello, Hafeez R Hoorani, J. P. Martin, M. Rattaggi, W. J. Metzger, F. J. Eppling, G. J. Zhou, L. W. Jones, Alberto Aloisio, A. Ricker, B. Lindemann, G. Y. Zhu, E. Shumilov, S. Goldfarb, S. M. Ting, J. T. He, V. Shoutko, J. C. Sens, B. C. Riemers, A. Adam, O. Rind, R. Völkert, M. Tonutti, Mingshui Chen, J. Gerald, R. Faccini, G. G.G. Massaro, M. Pauluzzi, D. Ren, J. Shukla, E. Valente, P. Extermann, A. P. Colijn, D. McNally, Christoph Schäfer, B. Z. Yang, G. Viertel, X. W. Tang, Hans J. Vogel, S. Morganti, H. Hofer, J. Schwenke, P. A. Piroué, G. Gratta, B. Zhou, B. C.C. van der Zwaan, S. Costantini, Luisa Cifarelli, P. G. Rancoita, B. N. Jin, R. Weill, F. Muheim, H. Nowak, J. F. Zhou, Marcella Diemoz, W. Wallraff, S. Banerjee, Zp Zhang, Paolo Bagnaia, F. J. Rodriguez, H. R. Gustafson, An.A. Vorobyov, O. Adriani, Lucas Taylor, Dimitri Bourilkov, E. Fiandrini, Luca Malgeri, G. Sauvage, Harvey B Newman, K. Hilgers, M. Vivargent, P. Bartalini, A. M. Cartacci, R. Raghavan, A. C. König, Laurent Vuilleumier, Joel Goldstein, A. Favara, Z. Z. Xu, V. Pojidaev, Dai-Sik Kim, B. L. Betev, R. Fabbretti, C. Lapoint, Luca Lista, D. Fernandez, Juven Wang, and Sabine Riemann
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Top quark, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Hadron, Detector, Signal region, 010306 general physics, 01 natural sciences
Abstract: A search for the decays B d,s 0 → γγ in 2.95 million hadronic Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on the branching ratios: Br(B d 0 → γ ) −5 and Br(B s 0 → γγ ) −5 at 90% CL. These are the first limits set on these exclusive rare decays.
Published: 1995
Full Text: View/download PDF

49. Tests of QED at LEP energies using e+e− → γγ(γ) and e+e− → ℓ+ℓ−γγ

Author: Aaron Dominguez, A. M. Cartacci, R. Raghavan, G. Landi, A. Arefiev, Yu. Efremenko, A. C. König, Simone Paoletti, Suchandra Dutta, A. Buytenhuijs, Aa Vorobyov, Felicitas Pauss, Laurent Vuilleumier, C. Burgos, E. Brambilla, Yu. Galaktionov, W. G. Ma, P. Le Coultre, M. Basile, Manjit Kaur, G. Chiefari, J. Alcaraz, S. Shevchenko, F. Behner, D. Antreasyan, Qi An, Andrea Baschirotto, Stefan Kirsch, P. Laurikainen, K. Riles, F. Marzano, G. Coignet, P. Vikas, F. Cesaroni, M. Chamizo, F. J. Rodriguez, W. Krenz, J. P. Ernenwein, J. K. Kim, B. Schoeneich, P. Kapinos, P. Duinker, D. Luckey, G. Tsipolitis, M. Schneegans, Gy L. Bencze, Reinhard W. Schulte, Simonetta Gentile, Samuel C.C. Ting, Bryan R. Smith, A. Klimentov, J. Y. Zeng, Cheng Chen, A. Mihul, Joel Goldstein, P. Schmitz, H. Janssen, Kenneth Francis Read, W. J. Burger, An.A. Vorobyov, Emilio Leonardi, A. A. Syed, M. Rescigno, E. Valente, K. Sudhakar, A. Favara, M. Yzerman, L. Z. Sun, B. Lindemann, Marcel Merk, Alessandra Doria, R. Malik, E. Dénes, R. Sehgal, D. Duchesneau, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, C. Zaccardelli, W. W. Kinnison, O. Adriani, R. Bock, Z. Z. Xu, V. Pojidaev, K. Freudenreich, M. Vivargent, Lucas Taylor, R. Leiste, Christoph Paus, N. Scholz, D. McNally, Zhuoxiang Ren, S. R. Hou, M. Wadhwa, J. B. Ye, D. J. Schotanus, H. A. Rizvi, A. Kunin, W. Kittel, S. S. Gau, L. Baksay, F. Cotorobai, C-Q. Li, G. A. Yang, F. C. Erné, Roberto Castello, B. Monteleoni, T. Angelescu, F. Sticozzi, Dai-Sik Kim, E. Lieb, W. Lu, Federico Cindolo, G. Viertel, C. Maña, I. C. Brock, Raffaello D'Alessandro, Hafeez R Hoorani, L. J. Gutay, S. Mangla, H. El Mamouni, Hans J. Vogel, S. Morganti, J. Casaus, Yu. Kamyshkov, C. Leggett, M. E. Sarakinos, V. K. Gupta, M. T. Choi, S. X. Wu, J. Schwenke, X. Y. Cui, S. C. Tonwar, S. Costantini, G. Forconi, U. Becker, W. J. Metzger, J. S. Lee, Gerard Fernandez, S. Goldfarb, E. Nagy, M. Guanziroli, S. Roth, B. L. Betev, R. Morand, Leonardo Merola, B. De La Cruz, A. Lebedev, Dong-Chul Son, T. Kramer, C. G. Yang, W. C. van Hoek, G. Hu, I. Duran, Y. J. Pei, D. DiBitonto, A. Kasser, J. T. He, Ph. Rosselet, Francesca Nessi-Tedaldi, A. Pevsner, D.W. Schmitz, G. Pascale, G.G.G. Massaro, N. Shivarov, Claudio Luci, Howard A. Stone, S. Ro, R. Bizzarri, Gianpaolo Carlino, F. DeNotaristefani, Robert Clare, J. P. Martin, Carlos Willmott, J. D. Burger, M. Steuer, F. Ferroni, J. J. Blaising, Frank Filthaut, Thomas Ferguson, Z. M. Wang, P. Ladron de Guevara, R. Fabbretti, A. Boucham, C. Dionisi, C. Lapoint, Jozsef Toth, D. Pandoulas, Speranza Falciano, Andre Sopczak, K. N. Qureshi, Lamberto Luminari, T. Azemoon, Paolo Bagnaia, Pablo Garcia-Abia, Alain Hervé, Roberto Battiston, S. Mele, G. Y. Zhu, E. Shumilov, D. Goujon, Vincenzo Innocente, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, O. Rind, Dimitri Bourilkov, P. Spillantini, Kajari Mazumdar, N. E. Moulai, A. Macchiolo, T. E. Coan, J. G. Branson, V. Shoutko, B. Borgia, J. C. Sens, T. Paul, B. C. Riemers, M. Fabre, Y. Zeng, E. Fiandrini, Luca Lista, Marcos Cerrada, M. Chermarin, A. Gougas, A. Bay, S. Khokhar, K. Banicz, D. Perret-Gallix, S. Müller, J. Ulbricht, A. Adam, G. Rahal-Callot, H. S. Chen, L. Servoli, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Luca Malgeri, D. Fernandez, Roger Moore, H. Rykaczewski, Giovanni Organtini, Georgi Sultanov, Y. Mi, Manas Maity, H. Vogt, F. J. Eppling, G. J. Zhou, L. W. Jones, P. H. Fisher, S. M. Ting, Egidio Longo, H. Tuchscherer, P. Berges, Steve Nahn, Juven Wang, Yanwen Liu, Stefano Giagu, Mariagrazia Alviggi, S. Reucroft, M. Tonutti, Carlo Civinini, S. Rosier-Lees, M. Maolinbay, G. Raven, G. Sauvage, J. Lecoq, Davide Piccolo, Vincenzo Monaco, S. N. Ganguli, Igor Vorobiev, T. S. Dai, R. A. Khan, H. Anderhub, I. Clare, Pierluigi Paolucci, M. Gailloud, Maurizio Biasini, P.V.K.S. Baba, H. R. Gustafson, Marcella Diemoz, Xd Cai, Sabine Riemann, J. M. Salicio, P. Levtchenko, Attilio Santocchia, Jean Fay, Panos A Razis, A. Degré, M. Aguilar-Benitez, D. Boutigny, Marta Felcini, Francesco Becattini, K. Schultze, M. M. Ilyas, Harvey B Newman, K. Hilgers, V. P. Andreev, J. Busenitz, P. de Jong, I. Vetlitsky, R. C. Ball, H. Suter, O. Toker, Z. A. Liu, X. Y. Yao, J. G. Xu, Nicolas Produit, Giovanni Ambrosi, Herwig Schopper, H. Postema, Y. Karyotakis, J. Berdugo, E. Gonzalez, E. J. Sanchez, R. Mount, R. Timellini, Sc Yeh, Pierre Lecomte, P. Marchesini, M. Rattaggi, G. Sartorelli, W. van Rossum, Ming Zeng, M. Lenti, Peter Denes, G. M. Chen, P. Zemp, G. M. Bilei, R. de Asmundis, S. Röhner, Chenjie Gu, G. Cara Romeo, B. P. Roe, Nicola Cavallo, H. F. Chen, V. Brigljevic, S. Easo, Kati Lassila-Perini, V. Plyaskin, M. Röhner, Adrian Biland, Mingshui Chen, J. Gerald, R. Faccini, G. J. Bobbink, S. Wynhoff, C. Cecchi, L. Romero, F. Wittgenstein, Wt Lin, Subir Sarkar, G. Schwering, J. M. Le Goff, Werner Lustermann, X. L. Wang, M. Pauluzzi, G. F. Susinno, N. Gheordanescu, G. Castellini, A. Nippe, Alexander Malinin, M. A. Niaz, D. Ren, Z. P. Zhang, P. G. Seiler, J. Shukla, A. Engler, Marco Meschini, D. Kirkby, A. Bujak, Oliver Kornadt, M. Pohl, J. M. You, J. C. Pinto, R. Voelkert, J. A. Rubio, M. Capell, Behcet Alpat, U. Vikas, M. Caria, L. Ludovici, E. Drago, R. Ostonen, A. Marin, R. T. Van de Walle, J.V. Allaby, S. Patricelli, H. S. Fesefeldt, E. Pistolesi, T. Spickermann, M. Bourquin, K. Strauch, Z. F. Gong, P. Extermann, Joachim Mnich, A. Koulbardis, M. T. Dova, Q. Ye, Christoph Schäfer, B. Z. Yang, H. Hofer, An. Zalite, Michael Dittmar, F.L. Linde, J. Rodin, A. Robohm, V. Koutsenko, Christopher George Tully, H. O. Cohn, L. Fredj, L. Urbán, Y. Zhou, H. Kuijten, Wolfgang Lohmann, B. Bertucci, R. Weill, X. T. Cui, S. C. Kim, Y. G. Kim, M. N. Kienzle-Focacci, Nicanor Colino, J. D. Swain, R. Barillère, Y. H. Chang, A. Chan, J. F. Zhou, V. Soulimov, George Alverson, Y. F. Wang, D. P. Stickland, M. Lebeau, A. Tsaregorodtsev, J. S. Kapustinsky, K. Y. Lee, A. Böhm, N. Yunus, Y. Mir, C. H. Ye, A. C. Weber, G. Gratta, S. P. Ahlen, Jasper Kirkby, M. Sassowsky, A. J.W. van Mil, H. De Boeck, G. Mirabelli, Luisa Cifarelli, K. Lübelsmeyer, I. Dorne, M. Redaelli, U. K. Chaturvedi, Y. S. Lu, J. H. Field, C. Y. Chien, A. Kirkby, B. Stoyanov, Ren-Yuan Zhu, Luciano Barone, A. Gurtu, Els Koffeman, V. Commichau, B. Hartmann, A. Hasan, P. Lebrun, BT Bouwens, M. Acciarri, Guo-Ming Chen, U. Uwer, A. Chen, J. Salicio, Tariq Aziz, Crisostomo Sciacca, Marco Pieri, P. Bartalini, Konrad Deiters, Alberto Aloisio, A. Ricker, X. W. Tang, P. A. Piroué, B. Zhou, B. C.C. van der Zwaan, P. G. Rancoita, B. N. Jin, H. Nowak, W. Wallraff, S. Banerjee, Zp Zhang, and M. Möller
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 91 GeV, lower limits, 010308 nuclear & particles physics, Electron–positron annihilation, Física, Interaction energy, 01 natural sciences, e+e− → γγ(γ), Nuclear physics, Angular distribution, Excited state, 0103 physical sciences, 010306 general physics, Ciencias Exactas
Abstract: Total and differential cross sections for the process e+e− → γγ(γ), and the total cross section for the process e+e− → γγγ, are measured at energies around 91 GeV using the data collected with the L3 detector from 1991 to 1993. We set lower limits, at 95% CL, on a contact interaction energy scale parameter Λ > 602 GeV, on the mass of an excited electron and on the QED cut-off parameters Λ+ > 149 GeV and Λ_ > 143 GeV. Upper limits are also set o branching fractions of Z decaying into γγ, π° and ηγ of 5.2 × 10−5, 5.2 × 10−5 and 7.6 × 10−5 respectively. The reactions e+e− → ℓ+ℓ−nγ (ℓ = e, μ, τ) are studied using the data collected from 1990 to 1994. The data are consistent with the QED expectations., Facultad de Ciencias Exactas
Published: 1995
Full Text: View/download PDF

50. Measurement of the spectroscopy of orbitally excited B mesons at LEP

Author: Roberto Battiston, P. Molnar, Z. A. Liu, F. C. Erné, H. F. Chen, A. Vorvolakos, Gerjan Bobbink, K. Freudenreich, B. Borgia, B. N. Jin, Raffaello D'Alessandro, J. Ulbricht, D. Kamrad, Leonardo Merola, G. Schwering, S. Cucciarelli, J. M. Le Goff, L. Tauscher, C. Maña, G. Chiefari, T. Azemoon, S. Shevchenko, C. Furetta, F. Behner, Speranza Falciano, Marcos Cerrada, L. Lugnier, J. A. Rubio, A. Straessner, Y. Mi, Luca Lista, Axel König, T. Angelescu, G. Forconi, Jozsef Toth, Claudio Luci, D. Pandoulas, F. Muheim, I. Clare, G. Grenier, S. Reucroft, H. K. Park, J. Casaus, H. El Mamouni, H. Milcent, Willis Lin, Sabine Riemann, F. Di Lodovico, P. Laurikainen, Igor Vorobiev, G. Castellini, A. Favara, T. Sztaricshai, C. Palomares, T. Paul, M. Rescigno, Yu. Galaktionov, Helmut Vogel, T. Moulik, J. Alcaraz, Zheng Wang, C. G. Yang, J. Pothier, P. Levtchenko, Yu. Zalite, Panos A Razis, Z. F. Gong, S. Vlachos, Y. Uchida, J. Rodin, Minhong Wang, J.V. Allaby, T. Niessen, S. Patricelli, D. Hatzifotiadou, Laszlo Boldizsar, L. Fredj, R. Ramelli, M. P. Sanders, B. L. Betev, Peter Raics, Kajari Mazumdar, X. D. Cai, W. Kittel, Simonetta Gentile, A. Balandras, J. Berdugo, A. Barczyk, Zhenyu Zhang, N. Gheordanescu, A. Rosca, X. Chereau, S. X. Wu, G. Alemanni, M. T. Dova, A. M. Cartacci, D.W. Schmitz, G. Pascale, Marco Pieri, C-Q. Li, J. A. van Dalen, E. J. Sanchez, U. Becker, Egidio Longo, V. K. Gupta, I. Duran, F. Ferroni, Vladimir Andreev, M. E. Sarakinos, Francesca Cavallari, D. Ruschmeier, D. P. Stickland, F. Ziegler, Y. H. Chang, Alessandra Doria, Oleg Fedin, Pierluigi Paolucci, M. Gailloud, R. Leiste, G. Marian, P. de Jong, Adrian Biland, N. Shivarov, Peter H. Fisher, F. J. Eppling, L. W. Jones, S. M. Ting, Robert Clare, Christoph Paus, P. Ladron de Guevara, S. C. Yeh, I. H. Park, Z. Z. Xu, C. H. Lin, V. Pojidaev, J. P. Martin, Giovanni Passaleva, L. Romero, M. Fabre, M. Steuer, A. Buijs, Mingming Yang, M. Bourquin, F. Cesaroni, Kati Lassila-Perini, P. Rosselet, V. Plyaskin, Max Weber, G. Y. Zhu, E. Shumilov, D. H. Kim, V. Shoutko, H. Anderhub, Emilio Leonardi, Joachim Mnich, Michele Guida, P. Achard, M. A. Rahaman, D. Perret-Gallix, B. Smith, Aleandro Nisati, D. Sciarrino, M. N. Kienzle-Focacci, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, S. R. Hou, M. Wadhwa, D. J. Schotanus, B. Monteleoni, F. DeNotaristefani, S. Braccini, Joseph Quartieri, L. Baksay, F. Cotorobai, Peter Denes, A. Csilling, A. Arefiev, R. de Asmundis, I. Fisk, Riccardo Paramatti, A. Kunin, A. Robohm, R. Faccini, X. L. Wang, R. van Gulik, R. R. McNeil, P. Extermann, Salvatore Mele, G. Carlino, Christoph Schäfer, B. Z. Yang, D. Kim, D. Prokofiev, Luisa Cifarelli, G. G.G. Massaro, H. Hofer, M. Pauluzzi, K. L. Tung, Paolo Bagnaia, S. C. Blyth, Marco Meschini, D. Duchesneau, H. S. Chen, L. Servoli, I. Vodopianov, A. Engler, G. Ambrosi, Hafeez R Hoorani, W. J. Metzger, S. Goldfarb, M. Capell, Francesca Nessi-Tedaldi, J. D. Burger, T. Siedenburg, D. Ren, G. Holzner, D. Haas, P. Wienemann, Georgi Sultanov, K. Riles, T. S. Dai, R. Barillère, R. A. Khan, H. S. Fesefeldt, E. Pistolesi, F. L. Linde, G. Rahal-Callot, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Howard A. Stone, F. Marzano, G. Coignet, W. Krenz, N. Raja, H. Rykaczewski, Giovanni Organtini, H. Wilkens, Christopher George Tully, A. P. Colijn, D. Dufournand, M. Chemarin, N. Cavallo, G. M. Chen, H. Suter, Ia Iashvili, J. Busenitz, Wolfgang Lohmann, A. Mihul, Aaron Dominguez, G. S. Muanza, Felicitas Pauss, H. Vogt, B. Bertucci, M. W. Gruenewald, S. C. Kim, D. O. Prokofiev, S. Rosier-Lees, I. Josa-Mutuberria, M. Kräber, M. Musy, Jean Fay, F. Anselmo, Nicanor Colino, P. Le Coultre, M. Basile, Manas Maity, Jasper Kirkby, M. A. Falagan, Nicolas Produit, F. Pierella, D. Mangeol, J. K. Kim, B. Cozzoni, M. Zöller, Federico Cindolo, D. Luckey, Anna Katharina Kopp, P. Berges, D. Kiss, A. Lebedev, Dong-Chul Son, A. Button, S. C. Tonwar, G. Landi, Frank Filthaut, J. J. Blaising, J. Hirschfelder, Thomas Ferguson, K. Sudhakar, M. von der Mey, J. B. Ye, Simone Paoletti, Stefano Giagu, A. J.M. Muijs, Manjit Kaur, Maurizio Biasini, Marta Felcini, Lamberto Luminari, I. Vetlitsky, Francesco Becattini, R. C. Ball, Pierre Lecomte, Y. D. Oh, Werner Lustermann, Charles Timmermans, A. Malinin, A. C. Weber, H. J. Yang, G. Mirabelli, S. Wynhoff, K. Lübelsmeyer, A. Nippe, A. Buffini, S. S. Gau, W. J. Burger, L. J. Gutay, Konrad Deiters, G. B. Mohanty, Alberto Aloisio, Michael Dittmar, An. Zalite, X. W. Tang, P. A. Piroué, M. Gataullin, M. Chamizo, Tariq Aziz, A. Stone, J. D. Swain, Crisostomo Sciacca, D. Peach, P. G. Rancoita, Samuel C.C. Ting, P. Duinker, I. Korolko, O. Adriani, Imad Baptiste Laktineh, Lucas Taylor, M. G. Alviggi, H. Nowak, D. Vicinanza, A. Klimentov, W. Wallraff, A. Böhm, U. K. Chaturvedi, B. De La Cruz, Y. S. Lu, S. Banerjee, A. Shvorob, P. Déglon, J. H. Field, B. Stoyanov, S. Schmidt-Kaerst, P. Lebrun, G. Cara Romeo, B. P. Roe, M. Acciarri, Guo-Ming Chen, C. Cecchi, A. Chen, D. van Dierendonck, J. Salicio, M. Lebeau, Ren-Yuan Zhu, Luciano Barone, Subir Sarkar, M. Pedace, T. van Rhee, A. Gurtu, F. Brochu, A. Hasan, D. della Volpe, A. A. Vorobyov, M. Pohl, M. Campanelli, Z. Szillasi, V. Koutsenko, A. Kasser, J. G. Branson, S. Villa, A. Lavorato, H. J. Lee, S. N. Ganguli, A. Degré, Marcella Diemoz, Pàl Hidas, S. Bhattacharya, M. Vivargent, D. Piccolo, E. Valente, L. Z. Sun, Dimitri Bourilkov, P. Spillantini, B. Petersen, E. Fiandrini, Gyorgy Vesztergombi, Luca Malgeri, A. De Salvo, P. Bartalini, A. Seganti, Harvey B Newman, G. Viertel, S. Costantini, P. Marchesini, L. Bellucci, V. Brigljevic, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, G. Zilizi, A. Bay, Carlo Civinini, G. Raven, L. Xia, M. Aguilar-Benitez, O. Grimm, Herwig Schopper, H. Postema, R. Ostonen, L3 (IHEF, IoP, FNWI), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, M., Acciarri, P., Achard, O., Adriani, M., Aguilar Benitez, J., Alcaraz, G., Alemanni, J., Allaby, Aloisio, Alberto, Alviggi, Mariagrazia, G., Ambrosi, H., Anderhub, V. P., Andreev, T., Angelescu, F., Anselmo, A., Arefiev, T., Azemoon, T., Aziz, P., Bagnaia, L., Baksay, A., Balandra, R. C., Ball, S., Banerjee, A., Barczyk, R., Barillere, L., Barone, P., Bartalini, M., Basile, R., Battiston, A., Bay, F., Becattini, U., Becker, F., Behner, L., Bellucci, J., Berdugo, P., Berge, B., Bertucci, B. L., Betev, S., Bhattacharya, M., Biasini, A., Biland, J. J., Blaising, S. C., Blyth, G. J., Bobbink, A., Bohm, L., Boldizsar, B., Borgia, D., Bourilkov, M., Bourquin, S., Braccini, J. G., Branson, V., Brigljevic, F., Brochu, A., Buffini, A., Buij, J. D., Burger, W. J., Burger, J., Busenitz, A., Button, X. D., Cai, M., Campanelli, M., Capell, G. C., Romeo, G., Carlino, A. M., Cartacci, J., Casau, G., Castellini, F., Cavallari, N., Cavallo, C., Cecchi, M., Cerrada, F., Cesaroni, M., Chamizo, Y. H., Chang, U. K., Chaturvedi, M., Chemarin, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, X., Chereau, Chiefari, Giovanni, L., Cifarelli, F., Cindolo, C., Civinini, I., Clare, R., Clare, G., Coignet, A. P., Colijn, N., Colino, S., Costantini, F., Cotorobai, B., Cozzoni, B. d., La, A., Csilling, S., Cucciarelli, T. S., Dai, J. A., Van, R., D'Alessandro, R. d., Asmundi, P., Deglon, A., Degre, K., Deiter, DELLA VOLPE, Domenico, P., Dene, F., Denotaristefani, A. D., Salvo, M., Diemoz, D. v., Dierendonck, F. D., Lodovico, C., Dionisi, M., Dittmar, A., Dominguez, A., Doria, M. T., Dova, D., Duchesneau, D., Dufournand, P., Duinker, I., Duran, H. E., Mamouni, A., Engler, F. J., Eppling, F. C., Erne, P., Extermann, M., Fabre, R., Faccini, M. A., Falagan, S., Falciano, A., Favara, J., Fay, O., Fedin, M., Felcini, T., Ferguson, F., Ferroni, H., Fesefeldt, E., Fiandrini, J. H., Field, F., Filthaut, P. H., Fisher, I., Fisk, G., Forconi, L., Fredj, K., Freudenreich, C., Furetta, M., Gailloud, Y., Galaktionov, S. N., Ganguli, P., Garcia Abia, M., Gataullin, S. S., Gau, S., Gentile, N., Gheordanescu, S., Giagu, S., Goldfarb, Z. F., Gong, G., Greiner, O., Grimm, M. W., Gruenewald, M., Guida, R. v., Gulik, V. K., Gupta, A., Gurtu, L. J., Gutay, D., Haa, A., Hasan, D., Hatzifotiadou, T., Hebbeker, A., Herve, P., Hida, J., Hirschfelder, H., Hofer, G., Holzner, H., Hoorani, S. R., Hou, I., Iashvili, B. N., Jin, L. W., Jone, P. d., Jong, I., Josa Mutuberria, R. A., Khan, D., Kamrad, A., Kasser, M., Kaur, M. N., Kienzle Focacci, D., Kim, D. H., Kim, J. K., Kim, S. C., Kim, J., Kirkby, D., Ki, W., Kittel, A., Klimentov, A. C., Konig, A., Kopp, I., Korolko, V., Koutsenko, M., Kraber, R. W., Kraemer, W., Krenz, A., Kunin, P. L., De, I., Laktineh, G., Landi, K., Lassila Perini, P., Laurikainen, A., Lavorato, M., Lebeau, A., Lebedev, P., Lebrun, P., Lecomte, P., Lecoq, P. L., Coultre, H. J., Lee, J. M., Le, R., Leiste, E., Leonardi, P., Levtchenko, C., Li, C. H., Lin, W. T., Lin, K., Lubelsmeyer, C., Luci, D., Luckey, L., Lugnier, L., Luminari, W., Lustermann, W. G., Ma, M., Maity, L., Malgeri, A., Malinin, C., Mana, D., Mangeol, P., Marchesini, G., Marian, J. P., Martin, F., Marzano, G. G., G., K., Mazumdar, R. R., Mcneil, S., Mele, Merola, Leonardo, M., Meschini, W. J., Metzger, M. v., Der, Y., Mi, A., Mihul, H., Milcent, G., Mirabelli, J., Mnich, G. B., Mohanty, P., Molnar, B., Monteleoni, T., Moulik, G. S., Muanza, F., Muheim, A. J., M., M., Musy, Napolitano, Marco, F., Nessi Tedaldi, H., Newman, T., Niessen, A., Nippe, A., Nisati, H., Nowak, Y. D., Oh, G., Organtini, R., Ostonen, C., Palomare, D., Pandoula, S., Paoletti, P., Paolucci, R., Paramatti, H. K., Park, I. H., Park, G., Pascale, G., Passaleva, Patricelli, Sergio, T., Paul, M., Pauluzzi, C., Pau, F., Pau, D., Peach, M., Pedace, S., Pensotti, D., Perret Gallix, B., Petersen, D., Piccolo, F., Pierella, M., Pieri, P. A., Piroue, E., Pisotolesi, V., Plyaskin, M., Pohl, V., Pojidaev, H., Postema, J. N., Pothier, N., Produit, D. O., Prokofiev, D., Prokofiev, J., Quartieri, G., Rahal Callot, M. A., Rahaman, P., Raic, N., Raja, R., Ramelli, P. G., Rancoita, G., Raven, P., Razi, D., Ren, M., Rescigno, S., Reucroft, T. v., Rhee, S., Riemann, K., Rile, A., Robohm, J., Rodin, B. P., Roe, L., Romero, A., Rosca, S., Rosier Lee, P., Rosselet, J. A., Rubio, D., Ruschmeier, H., Rykaczewski, S., Sarkar, J., Salicio, E., Sanchez, M. P., Sander, M. E., Sarakino, C., Schafer, V., Schegelsky, S., Schmidt Kaerst, D., Schmitz, H., Schopper, D. J., Schotanu, G., Schwering, Sciacca, Crisostomo, D., Sciarrino, A., Seganti, L., Servoli, S., Shevchenko, N., Shivarov, V., Shoutko, E., Shumilov, A., Shvorob, T., Siedenburg, D., Son, B., Smith, P., Spillantini, M., Steuer, D. P., Stickland, A., Stone, H., Stone, B., Stoyanov, A., Straessner, K., Sudhakar, G., Sultanov, L. Z., Sun, H., Suter, J. D., Swain, Z., Szillasi, T., Sztaricshai, X. W., Tang, L., Tauscher, L., Taylor, C., Timmerman, S. C., C., S. M., Ting, S. C., Tonwar, J., Toth, C., Tully, K. L., Tung, Y., Uchida, J., Ulbricht, E., Valente, G., Vesztergombi, I., Vetlitsky, D., Vicinanza, G., Viertel, S., Villa, M., Vivargent, S., Vlacho, I., Vodopianov, H., Vogel, H., Vogt, I., Vorobiev, A. A., Vorobyov, A., Vorvolako, M., Wadhwa, W., Wallraff, M., Wang, X. L., Wang, Z. M., Wang, A., Weber, M., Weber, P., Wienemann, H., Wilkin, S. X., Wu, S., Wynhoff, L., Xia, Z. Z., Xu, B. Z., Yang, C. G., Yang, H. J., Yang, M., Yang, J. B., Ye, S. C., Yeh, A., Zalite, Y., Zalite, Z. P., Zhang, G. Y., Zhu, R. Y., Zhu, A., Zichichi, F., Ziegler, G., Zilizi, M., Zoller, and Lista, Luca
Subjects: CHARMED MESONS, Quark, Nuclear and High Energy Physics, Particle physics, spectroscopy, LUND MONTE-CARLO, High Energy Physics::Lattice, Electron–positron annihilation, Hadron, FOS: Physical sciences, Fizikai tudományok, HEAVY-QUARK, Z decays, 01 natural sciences, JET FRAGMENTATION, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pion, Természettudományok, MUON DETECTOR, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], B meson, 010306 general physics, Nuclear Experiment, Z-DECAYS, Ciencias Exactas, L3 EXPERIMENT, Physics, E+E-PHYSICS, CONSTRUCTION, 010308 nuclear & particles physics, Branching fraction, Física, B mesons, L3 detector, Excited state, Mass spectrum, ASTERISK PRODUCTION, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: We measure the masses, decay widths and relative production rate of orbitally excited B mesons using 1.25 million hadronic Z decays recorded by the L3 detector. B-meson candidates are inclusively reconstructed and combined with charged pions produced at the primary event vertex. An excess of events above the expected background in the Bπ mass spectrum in the region 5.6–5.8 GeV is interpreted as resulting from the decay B∗∗u,d→B(∗)π), where B∗∗u,d denotes a mixture of l = 1 B-meson states containing a u or a d quark. A fit to the mass spectrum yields the masses and decay widths of the B1* and B2* spin states, as well as the branching fraction for the combination l = 1 states. In addition, evidence is presented for the existence of an excited B-meson state or mixture of states in the region 5.9–6.0 GeV., Facultad de Ciencias Exactas
Published: 1999
Full Text: View/download PDF

Catalog

Books, media, physical & digital resources

See catalog results

Searchworks

Select search scope, currently: Articles Catalog books, media & more in Jio Institute collections Articles journal articles & other e-resources

Search

Search Constraints

Refine your results

Search Limiters

Topic

Publication Year Range

Language

Journal

Database

Publisher

95 results on '"J. RODIN"'

Search Results

Catalog

Select search scope, currently: Articles

Catalog

books, media & more in Jio Institute collections

Articles

journal articles & other e-resources