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263 results on '"Yao, X. Y."'

2. Phase equilibrium in two orbital model under magnetic field

Author

Dong, S., Yao, X. Y., Wang, K. F., and Liu, J. -M.

Subjects
Condensed Matter - Strongly Correlated Electrons, Condensed Matter - Materials Science
Abstract

The phase equilibrium in manganites under magnetic field is studied using a two orbital model, based on the equivalent chemical potential principle for the competitive phases. We focus on the magnetic field induced melting process of CE phase in half-doped manganites. It is predicted that the homogenous CE phase begins to decompose into coexisting ferromagnetic phase and CE phase once the magnetic field exceeds the threshold field. In a more quantitative way, the volume fractions of the two competitive phases in the phase separation regime are evaluated., Comment: 4 pages, 4 figures

Published
2006
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3. Jahn-Teller distortion induced charge-ordering in CE phase of manganites

Author

Dong, S., Dai, S., Yao, X. Y., Wang, K. F., Zhu, C., and Liu, J. -M.

Subjects
Condensed Matter - Strongly Correlated Electrons, Condensed Matter - Materials Science
Abstract

The charge order of CE phase in half-doped manganites is studied, based on an argument that the charge-ordering is caused by the Jahn-Teller distortions of MnO6 octahedra rather than Coulomb repulsion between electrons. The uantitative calculation on the ferromagnetic zigzag chain as the basic structure unit of CE phase within the framework of two-orbital double exchange model including Jahn-Teller effect is performed, and it is shown that the charge-disproportionation of Mn cations in the charge-ordered CE phase is less than 13%. In addition, we predict the negative charge-disproportionation once the Jahn-Teller effect is weak enough., Comment: 12 pages, 4 figures(contained in the pdf file). submitted to Physical Review B

Published
2005
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4. Colossal resistivity change besides magnetoresistance: an extended theoretical framework for electronic transport of manganites

Author

Dong, S., Wang, K. F., Zhu, Han, Yao, X. Y., and Liu, J. -M.

Subjects
Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons
Abstract

Current theoretical approaches to manganites mainly stem from magnetic framework, in which the electronic transport is thought to be spin-dependent and the double exchange mechanism plays a core role. However, quite a number of experimental observations can yet not be reasonably explained. For example, multiplicate insulator-metal transitions and resistivity reduction induced by perturbations other than magnetic field, such as electric current, are not well understood. A comprehensive analysis on earlier extensive studies is performed and two types of origins for resistivity change are highlighted. Besides the insulated-to-metallic transition induced by external field such as magnetic field, the insulated-to-insulated transition induced extrinsically is even a more important source for the colossal resistivity change. We propose an extended framework for the electronic transport of manganites, in which the contribution of charge degree of freedom is given a special priority., Comment: 12 pages, 3 figures (contained in the pdf file). submitted to Physical Review B

Published
2005
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11. Measurement of the branching ratiosb →e ν X, μ ν X, τ ν X andν X

Author

Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., 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., Barillère, 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., Biasini, M., Biland, A., Bilei, G. M., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bock, R., Böhm, 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., Busenitz, J., Buytenhuijs, A., Cai, X. D., Campanelli, M., Capell, M., Romeo, G. Cara, 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, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chiefari, G., Chien, C. Y., Choi, M. T., Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Cohn, H. O., Coignet, G., Colijn, A. P., Colino, N., Costantini, S., Cotorobai, F., de al Cruz, B., Csilling, A., Dai, T. S., D’Alessandro, R., de Asmundis, R., De Boeck, H., Degré, A., Deiters, K., Denes, P., DeNotaristefani, F., DiBitonto, D., Diemoz, M., van Dierendonck, D., Di Lodovico, 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, Yu., El Mamouni, H., Engler, A., Eppling, F. J., Erné, F. C., Ernenwein, J. P., Extermann, P., Fabre, M., Faccini, R., Falciano, S., Favara, A., Fay, J., Felcini, M., Furetta, C., Ferguson, T., Fernandez, D., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Galaktionov, Yu., Ganguli, S. N., 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., Hangarter, K., Hartmann, B., Hasan, A., Hebbeker, T., Hervé, A., van Hoek, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Ilyas, M. M., Innocente, V., Janssen, H., Jin, B. N., Jones, L. W., de Jong, P., Josa-Mutuberria, I., Kasser, A., Khan, R. A., Kamyshkov, Yu., Kapinos, P., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzle-Focacci, M. N., Kim, D., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., König, A. C., Korolko, I., Koutsenko, V., Koulbardis, A., Kraemer, R. W., Kramer, T., Krenz, W., Kuijten, H., Kunin, A., Ladron de Guevara, P., Landi, G., Lapoint, C., Lassila-Perini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Le Coultre, P., Lee, J. S., Lee, K. Y., Leggett, C., Le Goff, J. M., Leiste, R., Lenti, M., Leonardi, E., Levtchenko, P., Li, C., Lieb, E., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Lu, W., Lu, Y. S., Lübelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., Ma, W. G., Macchiolo, A., Maity, M., Majumder, G., Malgeri, L., Malinin, A., Maña, C., Mangla, S., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., Massaro, G. G. G., Mazumdar, K., McNally, D., Mele, S., Merola, L., Meschini, M., Metzger, W. J., von der Mey, M., Mi, Y., Mihul, A., van Mil, A. J. W., Mirabelli, G., Mnich, J., Monteleoni, B., Moore, R., Morganti, S., Mount, R., Müller, S., Muheim, F., Nagy, E., Nahn, S., Napolitano, M., Nessi-Tedaldi, F., Newman, H., Nippe, A., Nowak, H., Organtini, G., Ostonen, R., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Pascale, G., Passaleva, G., Patricelli, S., Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Peach, D., Pei, Y. J., Pensotti, S., Perret-Gallix, D., Petrak, S., Pevsner, A., Piccolo, D., Pieri, M., Pinto, J. C., Piroué, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Produit, N., Raghavan, R., Rahal-Callot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., van Rhee, T., Riemann, S., Riemers, B. C., Riles, K., Rind, O., Ro, S., Robohm, A., Rodin, J., Rodriguez, F. J., Roe, B. P., Röhner, S., Romero, L., Rosier-Lees, S., Rosselet, Ph., van Rossum, W., Roth, S., Rubio, J. A., Rykaczewski, H., Salicio, J., Sanchez, E., Santocchia, A., Sarakinos, M. E., Sarkar, S., Sassowsky, M., Sauvage, G., Schneegans, M., Schoeneich, B., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Sens, J. C., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Siedenburg, T., Son, D., Sopczak, A., Soulimov, V., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Sticozzi, F., 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., Ting, Samuel C. C., Ting, S. M., Tonisch, F., Tonutti, M., Tonwar, S. C., Tóth, J., Tsaregorodtsev, A., Tully, C., Tuchscherer, H., Tung, K. L., Ulbricht, J., Uwer, U., Valente, E., Van de Walle, R. T., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Völkert, R., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorobyov, An. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, J. C., Wang, X. L., Wang, Y. F., Wang, Z. M., Weber, A., Wittgenstein, F., Wu, S. X., Wynhoff, S., Xu, J., Xu, Z. Z., Yang, B. Z., Yang, C. G., Yao, X. Y., Ye, J. B., Yeh, S. C., You, J. M., Zaccardelli, C., Zalite, An., Zemp, P., Zeng, Y., Zhang, Z., Zhang, Z. P., Zhou, B., Zhou, Y., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and L3 Collaboration

Published
1996
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13. Steplike magnetocapacitance and dielectric relaxation in spin frustrated Ca3Co2O6.

Author

Li, P. L., Yao, X. Y., Wang, K. F., Lu, C. L., Gao, F., and Liu, J.-M.

Subjects
*DIELECTRICS, *MONTE Carlo method, *POLARIZATION (Electricity), *DIELECTRIC relaxation, *LOW temperatures, *MATHEMATICAL models
Abstract

The dielectric relaxation and magnetocapacitance effect of one-dimensional spin frustrated compound Ca3Co2O6 are investigated. The steplike magnetocapacitance effect is observed and one to one corresponds to the steplike magnetization. We explain this phenomenon from the spin configuration dependent dielectric response. The simulation results using the Monte Carlo method are in good agreement with experimental data at low temperature. The close correspondence between the magnetic and dielectric properties indicates that the coupling is the intrinsic character of Ca3Co2O. The steplike magnetocapacitance effect may find potential applications in data storage and sensors. [ABSTRACT FROM AUTHOR]

Published
2008
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14. Steplike magnetocapacitance and dielectric relaxation in spin frustrated Ca3Co2O6.

Author

Li, P. L., Yao, X. Y., Wang, K. F., Lu, C. L., Gao, F., and Liu, J.-M.

Subjects
DIELECTRICS, MONTE Carlo method, POLARIZATION (Electricity), DIELECTRIC relaxation, LOW temperatures, MATHEMATICAL models
Abstract

The dielectric relaxation and magnetocapacitance effect of one-dimensional spin frustrated compound Ca3Co2O6 are investigated. The steplike magnetocapacitance effect is observed and one to one corresponds to the steplike magnetization. We explain this phenomenon from the spin configuration dependent dielectric response. The simulation results using the Monte Carlo method are in good agreement with experimental data at low temperature. The close correspondence between the magnetic and dielectric properties indicates that the coupling is the intrinsic character of Ca3Co2O. The steplike magnetocapacitance effect may find potential applications in data storage and sensors. [ABSTRACT FROM AUTHOR]

Published
2008
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15. Monte Carlo simulation on the resistivity and magnetization in anisotropic layered structure.

Author

Yao, X. Y., Dong, Sh., Zhu, H., Yu, H., and Liu, J.-M.

Subjects
*MONTE Carlo method, *SIMULATION methods & models, *MAGNETIZATION, *ANISOTROPY, *MANGANITE, *FERROMAGNETIC materials, *PHYSICS
Abstract

An anisotropic layered mode structure composed of line groups as an approach to anisotropic bilayered manganites is constructed based on the elementary interactions existing in the bilayered manganites. The anisotropic electronic transport and magnetic behaviors of the mode structure are investigated using Monte Carlo simulation and the microscopic resistor network scheme in Ising model. The simulation reproduces qualitatively the main characteristic transport behaviors of bilayered manganites. The significant anisotropy in resistivity and ferromagnetic orderings along different orientations is observed, and the underlying physics is discussed in the framework of spatial correlation of the microscopic metallic resistor network. The simulated results are believed to cast some light on the understanding of the anomaly in the transport behaviors of bilayered manganites, which are gaining more and more importance. [ABSTRACT FROM AUTHOR]

Published
2005
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16. Determination of the number of light neutrino species from single photon production at LEP

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Bizzarri, R, Blaising, J J, Blyth, S C, Bobbink, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Haas, D, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Hirschfelder, J, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, 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, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Lacentre, P E, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lavorato, A, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Migani, D, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Moulik, T, Mount, R, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, Opitz, H, Organtini, G, Ostonen, R, Palit, S, Palomares, C, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Park, I H, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Quartieri, J, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Vlachos, S, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, IHEF (IoP, FNWI), 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., Bizzarri, R., 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., 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., 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., Dibitonto, D., 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., Dutta, S., Easo, S., Efremenko, Y., Mamouni, H. E., 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., Garcia Abia, P., Gau, S. S., Gentile, S., Gerald, J., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Grunewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hirschfelder, J., Van, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., 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., 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., 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., 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, Opitz, H., Organtini, G., Ostonen, R., Palit, S., 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., 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., Produit, N., Prokofiev, D., Quartieri, J., Rahal Callot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., 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., Rossum, W. v., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., 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., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tuchscherer, H., Tung, K. L., Uchida, Y., Ulbricht, J., Uwer, U., Valente, E., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Vlachos, S., Volkert, R., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, W. 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., 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., and Ziegler, F.

Subjects
Nuclear and High Energy Physics, Particle physics, Photon, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, light neutrino species, 01 natural sciences, 7. Clean energy, Resonance (particle physics), Standard Model, Luminosity, Nuclear physics, SEARCH, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ANNIHILATION, Nuclear Experiment, 010306 general physics, DETECTOR, Ciencias Exactas, L3 EXPERIMENT, Physics, 010308 nuclear & particles physics, ANOMALOUS PRODUCTION, photon, Física, E+E COLLISIONS, LEP, TOP-QUARK, RESONANCE, SUPERSYMMETRIC PARTICLES, High Energy Physics::Experiment, Production (computer science), Neutrino, Particle Physics - Experiment, Energy (signal processing)
Abstract

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in eqey collision near the Z resonance is reported. From an integrated luminosity of 100 pby1 , collected during the years 1991–94, we have observed 2091 single photon candidates with an energy above 1 GeV in the polar angular region 458-u -1358. From a maximum likelihood fit to the single photon cross section, the Z decay width into invisible particles g is measured to be G s498"12 stat Ž . Ž. "12 sys MeV. Using the Standard Model couplings of neutrinos to the Z, the inv number of light neutrino species is determined to be N s2.98"0.07 stat Ž . Ž. "0.07 sys., Facultad de Ciencias Exactas

Published
1998

17. Measurement of tau polarization at LEP

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Haas, D, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Hirschfelder, J, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, 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, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Lacentre, P E, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lavorato, A, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Migani, D, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Moulik, T, Mount, R, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, Opitz, H, Organtini, G, Ostonen, R, Palit, S, Palomares, C, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Park, I H, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Quartieri, J, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Vlachos, S, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, Flores, Sylvie, IHEF (IoP, FNWI), 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., Chekanov, S. V., Chemarin, M., Chen, A., Chen, G., Chen, G. C., 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., 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., Dibitonto, D., 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., Dutta, S., Easo, S., Efremenko, Y., Mamouni, H. E., 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., Garcia Abia, 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., Haas, D., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hirschfelder, J., Van, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., 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., 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., 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., 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, Opitz, H., Organtini, G., Ostonen, R., Palit, S., 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., 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., Produit, N., Prokofiev, D., Quartieri, J., Rahal Callot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., 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., Rossum, W. v., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., 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. S., Tang, S. W., Tauscher, L., Taylor, L., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tuchscherer, H., Tung, K. L., Uchida, Y., Ulbricht, J., Uwer, U., Valente, E., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Vlachos, S., 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., 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, Z., and Ziegler, F.

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, POLARIZATION, CONSTRUCTION, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], LUND MONTE-CARLO, PAIR PRODUCTION, 010308 nuclear & particles physics, MICHEL PARAMETERS, 01 natural sciences, JET FRAGMENTATION, NEUTRINO HELICITY, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, 010306 general physics, DECAY CORRELATIONS, Particle Physics - Experiment
Abstract

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb(-1), the tau longitudinal polarisation has been measured as a function of the production polar angle using the tau decays tau(-) --> h(-)nu(tau) (h = pi,rho,a(1)) and tau(-)-->l(-)(l)nu(tau) (l = e,mu). From this measurement the quantities A(c) and A(tau), which depend on the couplings of the electron and the tau to the Z, are determined to be A(c) = 0.1678 +/- 0.0127 +/- 0.0030 and A(tau) = 0.1476 +/- 0.0088 +/- 0.0062, consistent with the hypothesis of e-tau universality, Under this assumption a value of A(l) = 0.1540 +/- 0.0074 +/- 0.0044 is obtained, yielding the value of the effective weak mixing angle sin(2)(W) = 0.2306 +/- 0.0011. (C) 1998 Elsevier Science B.V. All rights reserved.

Published
1998

18. Inclusive J, Psi' and Chi(c) production in hadronic Z decays

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Boucham, A, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dorne, I, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Janssen, H, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, Flores, Sylvie, 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, E., 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., Hartmann, 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., Josamutuberria, 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., Schmidtz, D., 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., and Ziegler, F.

Subjects
COLLISIONS, Nuclear and High Energy Physics, Particle physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Meson, LUND MONTE-CARLO, Electron–positron annihilation, Hadron, ddc:500.2, 01 natural sciences, JET FRAGMENTATION, CHARMONIUM, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), L3 EXPERIMENT, Physics, E+E-PHYSICS, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, HEAVY QUARKONIUM, LEP, Z(0) DECAYS, High Energy Physics::Experiment, J/PSI-PRODUCTION, Atomic physics, Particle Physics - Experiment
Abstract

We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The J and $\psi'$ mesons are reconstructed through their decays into lepton pairs, while the $\mathrm{\chi_c}$ mesons are reconstructed via the decay mode $ \mathrm{\chi_c} \rightarrow \mathrm{J} + \gamma $. The measured branching fractions are: \begin{eqnarray*} \mathrm{Br(Z \rightarrow J + X)} &=& (3.40 \pm 0.23\:(\mathrm {stat.}) \pm 0.27\:(\mathrm {sys.}))\,\times\,10^{-3} \\ \mathrm{Br(Z \rightarrow \psi' + X)} &=& (1.6 \pm 0.5\:(\mathrm {stat.}) \pm 0.3\:(\mathrm {sys.}))\,\times\,10^{-3} \\ \mathrm{Br(Z \rightarrow \chi_{c1} + X)} &=& (2.7 \pm 0.6\:(\mathrm {stat.})\pm 0.5\:(\mathrm {sys.}))\, \times\,10^{-3}. \\ \end{eqnarray*} In the absence of a clear $\mathrm{\chi_{c2}}$ signal, the upper limit at 90\% C.L. is set: \mathrm{ Br(Z \rightarrow \chi_{c2} + X) 3.2\,\times\,10^{-3}}. \end{document}

Published
1997

19. Measurement of W-pair cross sections in e(+)e(-) interactions at root s=172 GeV and W-decay branching fractions

Author

Acciarri, M., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, Paolo, Baksay, L., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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., Chereau, X., Chiefari, G., 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., Dellavolpe, D., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., 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, Riccardo, Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Fenyi, B., Ferguson, T., Ferroni, Fernando, 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, Simonetta, Gheordanescu, N., Giagu, Stefano, Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, 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., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, 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., Laktineh, I., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., 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., Mcneil, R. R., Mele, S., Merola, L., 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, M., Nessitedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Y. D., Oh, Opitz, H., Organtini, Giovanni, Ostonen, R., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, S., 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., 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., Schafer, C., Schegelsky, V., Schmidtkaerst, S., Schmitz, D., Schmitz, P., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Sopczak, A., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., 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., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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., Chereau, X., 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., DELLA VOLPE, Domenico, Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., 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., 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., Hartmann, 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., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, 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., Laktineh, I., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., 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., Mcneil, R. R., 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., 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., Schafer, C., Schegelsky, V., Schmidtkaerst, S., Schmitz, D., Schmitz, P., 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., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and Ziegler, F.

Subjects
Z-PEAK, CERN PBARP COLLIDER, MONTE-CARLO, STATE QED CORRECTIONS, High Energy Physics::Experiment, ANGLE BHABHA SCATTERING, E+E COLLISIONS, CARLO EVENT GENERATOR, Nuclear Experiment, LEPTON, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), BOSON MASS, L3 EXPERIMENT
Abstract

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13 GeV. In a data sample corresponding to a total luminosity of 10.25 pb(-1) we select 110 four-fermion events with pairs of hadronic jets or leptons with high invariant masses. Branching fractions of W decays into different fermion-antifermion pairs are determined with and without the assumption of charged-current lepton universality. The branching fraction for hadronic W decays is measured to be: B(W --> hadrons) = 64.2(-3.8)(+3.7) (stat.) +/- 0.5 (syst.) %. Combining all final states the total cross section for W-pair production is measured to be: sigma(ww) = 12.27(-1.32)(+1.41) (stat.) +/- 0.23 (syst.) pb. The results are in good agreement with the Standard Model. (C) 1997 Elsevier Science B.V.

Published
1997

20. K-S(0) and Lambda production in quark and gluon jets at LEP

Author

Acciarri, M., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, Paolo, 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., Rock, R., Bohm, A., Boldizar, 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, G., 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., Gerald, J., Gheordanescu, N., Giagu, Stefano, Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, 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., Josamutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzlefoccacci, 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., Koning, A. C., Kopp, A., Korolko, I., Koutsenko, V., Kraemer, R. W., Krenz, W., Kunin, A., Deguevara, P. L., Landi, G., Lapoint, C., Lassilaperini, K., Lauikainen, 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, Claudio, 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., Massaro, G. G., Mcnally, D., Mele, S., Merola, L., Meschini, M., Metzger, W. J., Vondermey, M., Mi, Y., Mihul, A., Ajw, Vanmil, Mirabelli, G., Mnich, J., Molnar, P., Monteleoni, B., Moore, R., Morganti, S., Moulik, T., Mount, R., 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., Particelli, S., 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., Prokofiev, D., Rahalcallot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Rieman, 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, C., 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., Scc, Ting, 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., 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., Rock, R., Bohm, A., Boldizar, 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., 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., Hartmann, 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., Josamutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzlefoccacci, M. N., Kim, D., Kim, D. H., Kim, J. K., Kim, S. C., Kinnison, W. 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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., and Ziegler, F.

Subjects
PHYSICS, MONTE-CARLO, CONSTRUCTION, HADRONIC Z-DECAYS, QCD, DETECTOR, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), L3 EXPERIMENT
Abstract

A measurement of the K-s(0) and Lambda inclusive production rates and momentum spectra in two-and three-jet events is presented. On the basis of about 3.1 million Z decays collected with the L3 detector at LEP, we observe that the production of these particles is well modelled by string fragmentation. (C) 1997 Elsevier Science B.V.

Published
1997

21. HOXA11-AS regulates diabetic arteriosclerosis-related inflammation via PI3K/AKT pathway.

Author

JIN, Q. S., HUANG, L. J., ZHAO, T. T., YAO, X. Y., LIN, L. Y., TENG, Y. Q., KIM, S. H., NAM, M. S., ZHANG, L. Y., and JIN, Y. J.

Abstract

OBJECTIVE: This study aims to explore whether homeobox A11 antisense RNA (HOXA11-AS) could regulate inflammation induced by diabetic arteriosclerosis (DAA) via PI3K/AKT pathway. PATIENTS AND METHODS: Quantitative Real Time-Polymerase Chain Reaction (qRT-PCR) was used to detect expressions of HOXA11- AS and proinflammatory genes in carotid endarterectomy samples of symptomatic and asymptomatic atherosclerosis (AS) patients, diabetes mellitus (DM), and non-DM patients. The above-mentioned genes in DM animal model and non-DM animal model were also detected. We detected the expression of HOXA11-AS in vascular smooth muscle cells (VSMCs) treated with platelet-derived growth factor (PDGF) or PDGF inhibitor imatinib, respectively. Subsequently, we applied cell transfection technology to interfere with the expression of HOXA11-AS in VSMCs. In vascular endothelial cells (VECs) and VSMCs, we detected the effect of HOXA11- AS on the expressions of genes related to the proliferation, migration, and cell cycle. Then, VSMCs were treated with tumor necrosis factor- α (TNF-α), and the expression of HOXA11-AS was examined in VSMCs. The effect of HOXA11- AS on TNF-α-induced inflammation in VSMCs was detected as well. Finally, we analyzed the effect of HOXA11-AS on PDGF-induced activation of PI3K/AKT pathway in VSMCs and VECs. RESULTS: HOXA11-AS expression was markedly increased in carotid endarterectomy specimens of symptomatic AS patients compared to that of asymptomatic AS patients. Expression levels of HOXA11-AS and pro-inflammatory genes were significantly elevated in carotid endarterectomy specimens of DM patients. Similarly, HOXA11-AS expression was also significantly increased in carotid arteries of DM mice compared with that of non-DM mice. PDGF could upregulate HOXA11-AS expression in VSMCs, which was reversed by PDGF inhibitor imatinib. HOXA11-AS knockdown could reduce the expressions of the proliferation-associated gene (PCNA) and the cycle-related genes (p21, p53), and also inhibited the proliferation and migration of VSMCs induced by PDGF. HOXA11-AS was upregulated by TNF-α. HOXA11-AS knockdown remarkably downregulated expressions of inflammation-related genes in VSMCs induced by TNF-α. In VECs, low expression of HOXA11- AS can inhibit the expression of TNF-α-induced pro-inflammatory genes and PDGF-induced vascular inflammation-related genes. Low expression of HOXA11-AS inhibited PDGF-induced activation of PI3K/AKT pathway in VSMCs and VECs. CONCLUSIONS: HOXA11-AS may participate in DAA by activating the PI3K/AKT pathway to regulate inflammation in VSMCs and VECs. [ABSTRACT FROM AUTHOR]

Published
2018

22. Missing mass spectra in hadronic events from e(+)e(-) collisions at root s=161-172GeV and limits on invisible Higgs decays

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, Alessandro, R D, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, L3 (IHEF, IoP, FNWI), Acciarri, M., Adriani, O., Aguilar Benitez, 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., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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., Chereau, X., 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., B. d., La, Csilling, A., Dai, T. S., D'Alessandro, R., Asmundis, R. d., Degre, A., Deiters, K., Volpe, D. d., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Y., Mamouni, H. E., 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., Garcia Abia, P., Gau, S. S., Gentile, S., 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., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Van, W. C., Hofer, H., Hong, S. J., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzle Focacci, 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., P. L., De, Laktineh, I., Landi, G., Lapoint, C., 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., 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., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Mi, Y., Mihul, A., A. J. W., Milcent, H., 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, Nessi Tedaldi, 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., 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., Produit, N., Prokofiev, D., Rahal Callot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., Rhee, T. v., Riemann, S., Riles, K., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosier Lees, S., Rosselet, P., Rossum, W. v., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., Sassowsky, M., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schmitz, P., 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., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Van, 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and Ziegler, F.

Subjects
Nuclear and High Energy Physics, Particle physics, STATE QED CORRECTIONS, Hadron, 7. Clean energy, 01 natural sciences, Resonance (particle physics), Standard Model, W-PAIR PRODUCTION, PHYSICS, Nuclear physics, MONTE-CARLO, SEARCH, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Limit (mathematics), CALORIMETER, 010306 general physics, DETECTOR, L3 EXPERIMENT, Physics, Luminosity (scattering theory), CONSTRUCTION, 010308 nuclear & particles physics, Branching fraction, High Energy Physics::Phenomenology, LEP2/NLC, Mass spectrum, Higgs boson, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding to an integrated luminosity of 21 pb(-1) The visible mass and the missing mass distributions of the selected events are consistent with those expected from Standard Model processes. This result is combined with that from data taken at the Z resonance to sci an upper limit on the production rate and decay into invisible final states of a non-minimal Higgs boson. as a function of the Higgs mass. Assuming the non-minimal Higgs production cross section to be the same as for the Standard Model Higgs boson and the decay branching fraction into invisible final states to be 100%, a Higgs mass lower limit of 69.6 GeV is derived at 95% confidence level. (C) 1998 Elsevier Science B.V.

Published
1998

23. Search for new physics phenomena in fermion-pair production at LEP

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gataullin, M, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, van Gulik, R, Gupta, V K, Gurtu, A, Gutay, L J, Haas, D, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Hirschfelder, J, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Khan, R A, Kamrad, D, Kapustinsky, J S, Karyotakis, Yu, 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, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Lacentre, P E, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lavorato, A, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marian, G, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Migani, D, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Moulik, T, Mount, R, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, Opitz, H, Organtini, G, Ostonen, R, Palit, S, Palomares, C, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Park, I H, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Pothier, J, Produit, N, Prokofev, D, Prokofiev, D O, Quartieri, J, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonwar, S C, Tóth, J, Tully, C, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Vlachos, S, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, Zilizi, G, 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., 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., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Busenitz, J., Button, A., Cai, X. C., 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., Chereau, X., Chiefari, Giovanni, Chien, C. Y., Cifarelli, L., Cindolo, F., Civinini, C., 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., DELLA VOLPE, Domenico, Denes, P., Denotaristefani, F., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Mamouni, H. E., 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., 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., 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., Hirschfelder, J., Van, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., 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, Laktineh, I., 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., 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., Mangla, S., Marchesini, P., Marian, G., Main, A., Martin, J. P., Marzano, F., G. G. G., Mcnally, D., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., Migani, D., Mihul, A., A. J. W., Milcent, H., Mirabelli, G., Mnich, J., Molnar, P., Monteleoni, B., Moore, R., Moulik, T., Mount, R., 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, Opitz, H., Organtini, G., Ostonen, R., Palit, S., 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., 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., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosier Lees, S., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., 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., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Uchida, Y., Ulbricht, J., Uwer, U., Valente, E., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Vlachos, S., 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., 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., and Zilizi, G.

Subjects
Quark, Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, Physics beyond the Standard Model, Scalar (mathematics), Hadron, Fizikai tudományok, 01 natural sciences, Standard Model, physics phenomena, Nuclear physics, Természettudományok, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Ciencias Exactas, L3 EXPERIMENT, Physics, 010308 nuclear & particles physics, QUARK, High Energy Physics::Phenomenology, Física, Fermion, Coupling (physics), Pair production, L3 detector, High Energy Physics::Experiment, LEPTOQUARKS, Particle Physics - Experiment, fermion-pair production
Abstract

The measurements of hadron and lepton-pair production cross sections and lepton-pair forward–backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 172 GeV are used to search for new physics phenomena. New physics effects involving four fermion vertices – contact interactions – are looked for in all channels. For hadron production the exchange of virtual leptoquarks and scalar quarks is studied. No evidence for deviations from the Standard Model expectations is found. Lower limits on the scale Λ of contact interactions in the range 1.2–7.1 TeV are obtained at the 95% confidence level for various models. Upper limits on the coupling strengths of leptoquarks and scalar quarks are derived., Facultad de Ciencias Exactas

Published
1998

24. Search for new physics in energetic single photon production in $e^{+}e^{-}$ annihilation at the $Z$ resonance

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, LEP (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, 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, 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., 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., Detiers, K., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., 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., Gheordenescu, 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., Hartmann, 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., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, 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., Lee, H. J., 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, G., 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., 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., and Ziegler, F.

Subjects
Nuclear and High Energy Physics, Particle physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, ddc:500.2, Photon energy, 01 natural sciences, Resonance (particle physics), Standard Model, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), L3 EXPERIMENT, Physics, Annihilation, 010308 nuclear & particles physics, Branching fraction, E+E COLLISIONS, BOSON, LEP, NEUTRINO MAGNETIC-MOMENT, COUPLINGS, High Energy Physics::Experiment, Production (computer science), Neutrino, DECAY, Particle Physics - Experiment
Abstract

Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched for anomalous production of $\gamma \mathrm{X}$ final states where $\mathrm{X}$ represents stable, weakly interacting particles and the photon energy is greater than 15 GeV. The sample of events found is consistent with Standard Model expectations. Upper limits are set on $\Z \gamma$ couplings, the $\tau$ neutrino magnetic moment, and the branching ratio for $\mathrm{Z} \rightarrow \gamma \mathrm{X}$.

Published
1997

25. Measurement of D-s(-)->tau(-)(nu)over-bar(tau) and a new limit for B-->tau(-)(nu)over-bar(tau center dot)

Author

Acciarri, M., Oscar Adriani, Aguilarbenitez, M., Ahlen, S., Alpat, B., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., 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., Berdugo, J., Berges, P., Bertucci, B., Betev, V. L., Bhattacharya, S., Biasini, M., Biland, A., Bilei, G. M., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bock, R., Bohm, A., Borgia, B., Boucham, A., Bourilkov, D., Bourquin, M., Boutigny, D., 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., Caria, M., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chan, A., Chang, Y. H., Chaturvedi, U. K., Chekanov, S. V., Chemarin, M., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chiefari, G., Chien, C. Y., Choi, M. T., 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., Dellacruz, B., Csilling, A., Dai, T. S., Raffaello D'Alessandro, 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., Fernandez, D., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., 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., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Vanhoek, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Janssen, H., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., 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., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Korolko, I., Koutsenko, V., Kraemer, R. W., Krenz, W., Kunin, A., P. L. D., 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., Leonardi, E., Levtchenko, P., Li, C., Lieb, E., 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., Manna, C., Mangeol, D., Mangla, S., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., G. G. G., Mcnally, D., Mele, S., Merola, L., 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., Mont, R., Muller, S., Muheim, F., A. J. M., Nagy, E., Nahn, S., Napolitano, M., Nessitedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Opitz, H., Organtini, G., Ostonen, R., Pakhlov, P., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Pascale, G., Passaleva, G., Patricelli, S., 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., 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., Ro, S., Robohm, A., Rodin, J., Rodriguez, F. J., Roe, B. P., Romero, L., Rosierlees, S., Rosselet, P., Vanrossum, W., Roth, S., Rubio, J. A., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Santocchia, A., 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, C., Sciarrino, D., Sens, J. C., 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., Acciarri, M., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alpat, B., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., 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., Berdugo, J., Berges, P., Bertucci, B., Betev, V. L., Bhattacharya, S., Biasini, M., Biland, A., Bilei, G. M., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bock, R., Bohm, A., Borgia, B., Boucham, A., Bourilkov, D., Bourquin, M., Boutigny, D., 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., Caria, M., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Cesaroni, F., Chamizo, M., Chan, A., Chang, Y. H., Chaturvedi, U. K., Chekanov, S. V., Chemarin, M., 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., Cohn, H. O., Coignet, G., Colijn, A. P., Colino, N., Commichau, V., Costantini, S., Cotorobai, F., Dellacruz, 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., Fernandez, D., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., 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., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Vanhoek, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Janssen, H., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., 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., Kiss, D., Kittel, W., Klimentov, A., Konig, A. C., Korolko, I., Koutsenko, V., Kraemer, R. W., Krenz, W., Kunin, A., P. L. D., 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., Leonardi, E., Levtchenko, P., Li, C., Lieb, E., 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., Manna, 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., Mont, R., Muller, S., Muheim, F., A. J. M., Nagy, E., Nahn, S., Napolitano, Marco, Nessitedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Opitz, H., Organtini, G., Ostonen, R., Pakhlov, P., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., 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., 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., Ro, S., Robohm, A., Rodin, J., Rodriguez, F. J., Roe, B. P., Romero, L., Rosierlees, S., Rosselet, P., Vanrossum, W., Roth, S., Rubio, J. A., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Santocchia, A., 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., Sens, J. C., 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., and Ziegler, F.

Subjects
CONSTRUCTION, DECAY, DETECTOR, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries)
Abstract

Using a data sample of 1475000 Z --> q (q) over bar(gamma) events collected during 1993 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, D-s(-) --> tau(-)(v) over bar(tau) and B- --> tau(-)(v) over bar(tau). A signal is observed in the invariant mass distribution M(gamma D-s(-)) corresponding to the decay sequence D-s(*-) --> gamma D-s(-), D-s(-) --> tau(-)(v) over bar(tau), tau(-)(v) over bar(tau), tau(-) --> l(-)(v) over bar(l)v(tau). The branching fraction for D-s(-) tau(-) (v) over bar(tau) decays is measured to be B(D-s(-) --> tau(-)(v) over bar(tau)) = 0.074 +/- 0.028(stat) +/- 0.016(syst) +/- 0.018(norm). No signal of B- --> tau-(v) over bar(tau) decays is observed in the data, corresponding to an upper limit on the branching fraction B(B- --> tau(-)(v) over bar(tau)) < 5.7 x 10(-4) at 90% CL. (C) 1997 Elsevier Science B.V.

Published
1997

26. Neutral-current four-fermion production in e(+)e(-) interactions at 130 GeV<=root s<=172 GeV

Author

Acciarri, M., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, Paolo, Baksay, L., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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. G., Chen, H. S., Chereau, X., Chiefari, G., Chien, G. 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., Dellavolpe, D., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., 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, Riccardo, 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, Simonetta, Gheordanescu, N., Giagu, Stefano, Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, 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., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinksy, J. S., Karyotakis, H., 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., Laktineh, I., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, H. J., 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., Mcneil, R. R., Mele, S., Merola, L., Meschini, M., Metzger, W. J., Vondermey, M., Mi, Y., Mihul, A., A. J. W., Milcent, H., 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, M., Nessitedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Y. D., Oh, Opitz, H., Organtini, Giovanni, Ostonen, R., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, S., 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., Piroue, P., 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., 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., Schafer, C., Schegelsky, V., Schmidtkaerst, S., Schmitz, D., Schmitz, P., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Sopczak, A., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., 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., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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. G., Chen, H. S., Chereau, X., Chiefari, Giovanni, Chien, G. 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., DELLA VOLPE, Domenico, Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., 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., Gheordanescu, N., Giagu, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, 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., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinksy, J. S., Karyotakis, H., 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., Laktineh, I., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, H. J., 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., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Vondermey, M., Mi, Y., Mihul, A., A. J. W., Milcent, H., 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., Piroue, P., 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., 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., Schafer, C., Schegelsky, V., Schmidtkaerst, S., Schmitz, D., Schmitz, P., 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., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and Ziegler, F.

Subjects
Z-PEAK, MONTE-CARLO, CONSTRUCTION, STATE QED CORRECTIONS, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, LEPTON PAIR PRODUCTION, ANGLE BHABHA SCATTERING, E+E COLLISIONS, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), 4-FERMION PROCESSES, DETECTOR, L3 EXPERIMENT
Abstract

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130-136, 161 and 170-172 GeV, with integrated luminosities of 4.9, 10.7 and 10.1 pb(-1), respectively. The total cross sections for the final states lll'l' and llqq(l, l' = e, mu or tau) are measured and found to be in agreement with the Standard Model prediction. (C) 1997 Elsevier Science B.V.

Published
1997

27. Single and multi-photon events with missing energy in e(+)e(-) collisions at 161 GeV <root s < 172 GeV

Author

Acciarri, M., Adriani, O., Aguilar Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, Paolo, Baksay, L., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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., Chereau, X., Chiefari, G., 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., B. d., La, Csilling, A., Dai, T. S., D'Alessandro, R., Asmundis, R. d., Degre, A., Deiters, K., Volpe, D. d., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Y., Mamouni, H. E., Engler, A., Eppling, F. J., Erne, F. C., Ernenwein, J. P., Extermann, P., Fabre, M., Faccini, Riccardo, 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., Garcia Abia, P., Gau, S. S., Gentile, Simonetta, Gheordanescu, N., Giagu, Stefano, Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Van, W. C., Hofer, H., Hong, S. J., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzle Focacci, 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., P. L., De, Laktineh, I., Landi, G., Lapoint, C., Lassila Perini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., 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., Mangla, S., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., G. G. G., Mcnally, D., Mcneil, R. R., Mele, S., Merola, L., Meschini, M., Metzger, W. J., Der, M. v., 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, M., Nessi Tedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Y. D., Oh, Opitz, H., Organtini, Giovanni, Ostonen, R., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, S., Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Peach, D., Pei, Y. J., Pensotti, S., Perret Gallix, 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., Rahal Callot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., Rhee, T. v., Riemann, S., Riles, K., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosier Lees, S., Rosselet, P., Rossum, W. v., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., Sassowsky, M., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schmitz, P., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Sopczak, A., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Van, 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., Ziegler, F., Acciarri, M., Adriani, O., Aguilar Benitez, 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., 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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., Chereau, X., 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., B. d., La, Csilling, A., Dai, T. S., D'Alessandro, R., Asmundis, R. d., Degre, A., Deiters, K., DELLA VOLPE, Domenico, Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Dierendonck, D. v., Lodovico, F. D., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Y., Mamouni, H. E., 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., Garcia Abia, P., Gau, S. S., Gentile, S., 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., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Van, W. C., Hofer, H., Hong, S. J., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., Jong, P. d., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzle Focacci, 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., P. L., De, Laktineh, I., Landi, G., Lapoint, C., Lassila Perini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., 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., Mangla, S., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., G. G. G., Mcnally, D., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Der, M. v., 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, Nessi Tedaldi, 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., Perret Gallix, 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., Rahal Callot, G., Raja, N., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., Rhee, T. v., Riemann, S., Riles, K., Robohm, A., Rodin, J., Roe, B. P., Romero, L., Rosier Lees, S., Rosselet, P., Rossum, W. v., Roth, S., Rubio, J. A., Ruschmeier, D., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Sarakinos, M. E., Sarkar, S., Sassowsky, M., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schmitz, P., 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., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., 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., Van, 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and Ziegler, F.

Subjects
COLLIDER, Z-PEAK, E+E ANNIHILATION, NU-NU-BAR-GAMMA%22">E+E-->NU-NU-BAR-GAMMA, ANGLE BHABHA SCATTERING, LIGHT GRAVITINO, LEPTON-PAIR PRODUCTION, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), SUPERSYMMETRY, L3 EXPERIMENT, PHOTINOS
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 nugamma(gamma) cross section as well as upper limits on new physics processes. (C) 1997 Published by Elsevier Science B.V.

Published
1997

29. Steplike magnetocapacitance and dielectric relaxation in spin frustrated Ca(3)Co(2)O(6)

Author

Li, P. L., Yao, X. Y., Wang, K. F., Lu, C. L., Gao, Feng, Liu, J. -M., Li, P. L., Yao, X. Y., Wang, K. F., Lu, C. L., Gao, Feng, and Liu, J. -M.

Abstract

The dielectric relaxation and magnetocapacitance effect of one-dimensional spin frustrated compound Ca(3)Co(2)O(6) are investigated. The steplike magnetocapacitance effect is observed and one to one corresponds to the steplike magnetization. We explain this phenomenon from the spin configuration dependent dielectric response. The simulation results using the Monte Carlo method are in good agreement with experimental data at low temperature. The close correspondence between the magnetic and dielectric properties indicates that the coupling is the intrinsic character of Ca(3)Co(2)O. The steplike magnetocapacitance effect may find potential applications in data storage and sensors. (C) 2008 American Institute of Physics., Funding Agencies|National Natural Science Foundation of China [50528203, 50502018, 50572038]; National Key Projects for Basic Research of China [2009CB929501, 2006CB921802]

Published
2008
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30. Measurement of the $B_{d}^{0} - \overline{B}_{d}^{0}$ oscillation frequency

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Haas, D, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Hirschfelder, J, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, 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, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Lacentre, P E, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lavorato, A, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Migani, D, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Moulik, T, Mount, R, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, Opitz, H, Organtini, G, Ostonen, R, Palit, S, Palomares, C, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Park, I H, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Quartieri, J, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Vlachos, S, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, and Ziegler, F

Subjects
High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

Time-dependent ${\mathrm{B^{0}}\mbox{-}\bar{\mathrm{B}} ^{0}}$ mixing is studied using about two million hadronic Z decays registered by L3 in 1994 and 1995. For this study three techniques are used. Tagging of the b-quark charge at decay time is performed by identifying leptons from semileptonic B decays. The flavour of the b quark at production time is determined from the charge of the lepton in the opposite hemisphere or by using a jet-charge technique. The proper time of the B-particle decay is obtained by reconstructing the production and decay vertices or by a measurement of the lepton impact parameter. The combined result for the frequency of ${\mathrm{B_d^0}}$ meson oscillations is \begin{displaymath} {\Delta m_d} = 0.444 \pm 0.040 \ \mathrm{ps}^{-1}. \end{displaymath} \end{abstract} \end{document}

Published
1998

31. Measurement of the $B_{d^0}-B_{d^0}$ oscillation frequency

Author

Acciarri, M., Adriani, O., Aguilar Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alviggi, M G., 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., Boehm, 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., Cara Romeo, G., 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, G., Chien, C Y., Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Cohn, H O., Coignet, G., Colijn, A P., Costantini, S., Cotorobai, F., De La Cruz, B., Csilling, A., Dai, T S., D'Alessandro, R., De Asmundis, R., Degre, A., Deiters, K., Denes, P., De Notaristefani, F., DiBitonto, D., Diemoz, M., Van Dierendonck, D., Di Lodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Yu., El Mamouni, 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., 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, Yu., Ganguli, S N., Garcia Abia, P., Gau, S S., Gentile, S., Gerland, J., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z F., Gougas, A., Gratta, G., Grunewald, M W., Gupta, V K., Gurtu, A., Gutay, L J., Haas, D., Hartmann, B., Hasan, A., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hirschfelder, J., Van Hoek, W C., Hofer, H., Hoorani, H., Hou, S R., Hu, G., Innocente, V., Jenkes, K., Jin, B N., Jones, L W., De Jong, P., Josa Mutuberria, I., Kasser, A., Khan, R A., Kamrad, D., Kamyshkov, Yu., KapustinskyJ, S., Karyotakis, Y., Kaur, M., Kienzle Focacci, M N., Kim, D H., Kim, J K., Kim, S C., Kinnison, W W., Kirkby, A., Kirkby, D., Kirkby, J., Kiss, D., Kittel, W., Klimentov, A., Koenig, A C., Kopp, A., Korolko, I., Koutsenko, V., Kraemer, R W., Krenz, W., Kunin, A., Lacentre, P., Ladron De Guevara, P., Lapoint, C., Lassila Perini, K., Laurikainen, P., Lavorato, A., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Le Coultre, P., Lee, HJ., Leggett, C., Le Goff, J M., Leiste, R., Leonardi, Emilio, Levtchenko, P., Li, C., Lin, C H., Lin, W T., Linde, F L., Lista, L., Liu, Z A., Lohmann, W., Longo, E., Lu, W., Lu, Y S., Luebelsmeyer, K., Luci, C., Luckey, D., Luminari, L., Lustermann, W., Ma, W G., Maity, M., Majumder, G., Malgeri, L., Malinin, A., Mana, C., Mangeol, D., Marchesini, P., Marin, A., Martin, J.-P., Marzano, F., Massaro, G G G., McNally, D., Mele, S., Merola, L., Meschini, M., Metzger, W J., Von Der Mey, M., Mi, Y., Migani, D., Mihul, A., Van Mil, A J W., Milcent, H., Mirabelli, G., Mnich, J., Molnar, P., Monteleoni, B., Moore, R., Moulik, T., Mount, R., Muheim, F., Muijs, A J M., Nahn, S., Napolitano, M., Nessi Tedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Oh, Y D., Opitz, H., Organtini, G., Ostonen, R., Palit, S., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H K., Park, I H., Pascale, G., Passaleva, G., Patricelli, S., Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Peach, D., 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., Produit, N., Prokofiev, D., Quatieri, J., Rahal Callot, G., Raja, N., Rancoita, P G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., Van Rhee, T., Riemann, S., Riles, K., Rind, O., Robohm, A., Rodin, J., Roe, B P., Romero, L., Rosier-Lees, 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., Sauvage, G., Schaefer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schneegans, M., Scholz, N., Schopper, H., Schotanus, D J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Smith, B., Soulimov, V., 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., Ting, S C C., Ting, S M., Tonwar, S C., Toth, J., Tuchscherer, H., Tung, K L., Uchida, Y., Ulbricht, J., Uwer, U., Valente, E., Van De Walle, R T., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Voelkert, R., Vlachos, S., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A A., Vorvolakos, A., Wadhwa, M., Wallraff, W., Wang, J C., Wang, XL., Wang, Z M., Weber, A., Wu, S X., Wynhoff, S., Xu, J., Xu, Z Z., Yang, B Z., Yang, C G., Yao, X Y., Ye, J B., Yeh, S C., You, J M., Zalite, A., Zalite, Yu., Zemp, P., Zeng, Y., Zhang, Zhen, Zhang, Z P., Zhou, B., Zhou, Y., Zhu, G Y., Zhu, R Y., Zichichi, A., Ziegler, F., 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
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
Published
1998

32. Preparation of aligned Ca3Co2O6 nanorods and their steplike magnetization

Author

Li, P. L., Yao, X. Y., Gao, Feng, Zhao, C., Yin, K. B., Weng, Y. Y., Liu, J.-M., Ren, Z. F., Li, P. L., Yao, X. Y., Gao, Feng, Zhao, C., Yin, K. B., Weng, Y. Y., Liu, J.-M., and Ren, Z. F.

Abstract

Well-aligned Ca3Co2O6 nanorods (similar to 300 nm in length and similar to 40 nm in diameter) on Si substrates are prepared by pulsed laser deposition. The steplike magnetization feature as identified in bulk Ca3Co2O6 can be retained in the nanorods in spite of the enhanced distortion of the magnetically ordered spin chains due to the finite size effect. The out-of-plane magnetization value is slightly larger than the in-plane value, which shows the small magnetic anisotropy. An additional distinct transition at 54 K associated with the spin frustration is revealed, different from the bulk samples. (C) 2007 American Institute of Physics.

Published
2007
Full Text
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33. Hard-photon production at root s=161 and 172 GeV at LEP

Author

Acciarri, M., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, Paolo, Baksay, L., Banerjee, S., Banicz, K., Barcyzk, 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., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., 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, 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., Chereau, X., Chiefari, G., 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., Dellavolpe, D., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Vandierendonck, D., Dilodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., 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, Riccardo, 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, Simonetta, Gheordanescu, N., Giagu, Stefano, Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Gruenewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, 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., Jenkes, K., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, 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., Laktineh, I., Landi, G., Lapoint, C., Lassilaperini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., 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., Mcneil, R. R., Mele, S., Merola, L., 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, M., Nessitedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Y. D., Oh, Opitz, H., Organtini, Giovanni, Ostonen, R., Palomares, C., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Park, I. H., Pascale, G., Passaleva, G., Patricelli, S., Paul, T., Pauluzzi, M., Paus, C., Puass, 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., 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., Schafer, C., Schegelsky, V., Schmidtkaerst, S., Schmitz, D., Schmitz, P., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Sopczak, A., Smith, B., Spillantini, P., Steuer, M., Stickland, D. P., Stone, A., Stone, H., Stoyanov, B., Straessner, A., Strauch, K., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Tang, S. 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., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and Ziegler, F.

Subjects
ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries)
Abstract

Contains fulltext : 29126.pdf (Author’s version preprint ) (Open Access) Contains fulltext : 29126.pdf (Publisher’s version ) (Open Access)

Published
1997

34. Search for scalar leptons, charginos and neutralinos in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 161-172 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Lacentre, P E, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, and Ziegler, F

Subjects
High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

Scalar leptons, charginos and neutralinos, predicted by supersymmetric theories, have been searched for in data samples collected with the L3 detector at centre-of-mass energies of 161 GeV and 172 GeV with integrated luminosities of 10.7 pb$^{-1}$ and 10.0 pb$^{-1}$ respectively. No evidence for such particles is found. New limits on production cross sections are set, assuming R--parity conservation. New exclusion contours in the Minimal Supersymmetric Standard Model parameter space as well as new lower limits on masses are derived.

Published
1997

35. Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV < $\sqrt{s}$ < 172 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, and Flores, Sylvie

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Astrophysics::High Energy Astrophysical Phenomena, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
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

36. Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, and Flores, Sylvie

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
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 $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 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

37. $K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Boucham, A, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dorne, I, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Janssen, H, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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), L3, and Flores, Sylvie

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected with the L3 detector at LEP, we observe that the production of these particles is well modeled by string fragmentation.

Published
1997

38. Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, and Flores, Sylvie

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV, with integrated luminosities of 4.9, 10.7 and 10.1 pb$^{-1}$, respectively. The total cross sections for the final states $ \ell\ell \ell^\prime \ell^\prime $ and $\rm \ell\ell qq $ ($\ell$,~$\ell^\prime $ = e, $\mu$ or $\tau$) are measured and found to be in agreement with the Standard Model prediction.

Published
1997

39. Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Antreasyan, D, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banicz, K, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Caria, M, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, M, Chan, A, Chang, Y H, Chaturvedi, U K, Chekanov, S V, Chemarin, M, Chen, A, Chen, G, Chen, G M, Chen, H F, Chen, H S, Chéreau, X J, Chiefari, G, Chien, C Y, Choi, M T, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Fernández, D, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee Jae Sik, Lee, K Y, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lieb, E H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nagy, E, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Opitz, H, Organtini, G, Ostonen, R, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Ro, S, Robohm, A, Rodin, J, Rodríguez-Calonge, F J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Santocchia, A, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, and Flores, Sylvie

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we select four-fermion events with high invariant masses of pairs of hadronic jets or leptons. Combining all final states, the measured total cross section for W-pair production is: $\SWW = 2.89^{+0.81}_{-0.70}~(stat.)\pm0.14~(syst.)$~pb. Within the Standard Model, this corresponds to a mass of the W boson of: $\MW = 80.80^{+0.48}_{-0.42}~(exp.)\pm 0.03$~(LEP)~\GeV. Limits on anomalous triple-vector-boson couplings are derived. \end{abstract}

Published
1997

40. Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of 10.25~pb$^{-1}$ we select 110 four-fermion events with pairs of hadronic jets or leptons with high invariant masses. Branching fractions of W decays into different fermion-antifermion pairs are determined with and without the assumption of charged-current lepton universality. The branching fraction for hadronic W decays is measured to be: $ B(\mathrm{W\rightarrow hadrons}) = 64.2^{+3.7}_{-3.8}~(stat.) \pm 0.5~(syst.)~\%$. Combining all final states the total cross section for W-pair production is measured to be: $\sigma_{\mathrm{WW}} = 12.27^{+1.41}_{-1.32}~(stat.)\pm0.23~(syst.)$~pb. The results are in good agreement with the Standard Model.

Published
1997

41. Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated luminosities of 10.8, 1.0 and 9.2 $pb^-1$, respectively. No Higgs signal is observed. In combination with previous data taken at the Z resonance, a lower Higgs mass limit, $M_H > 69.5$ GeV, is obtained at 95\% confidence level.

Published
1997

42. Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Antreasyan, D, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banicz, K, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Borgia, B, Boucham, A, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Caria, M, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, M, Chan, A, 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, G, Chien, C Y, Choi, M T, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dorne, I, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Fernández, D, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Janssen, H, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee Jae Sik, Lee, K Y, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lieb, E H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nagy, E, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Opitz, H, Organtini, G, Ostonen, R, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Ro, S, Robohm, A, Rodin, J, Rodríguez-Calonge, F J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Santocchia, A, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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, and Flores, Sylvie

Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Astrophysics::High Energy Astrophysical Phenomena, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
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

43. Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Antreasyan, D, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banicz, K, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Borgia, B, Boucham, A, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Caria, M, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, M, Chan, A, 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, G, Chien, C Y, Choi, M T, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dorne, I, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Fernández, D, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Janssen, H, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee Jae Sik, Lee, K Y, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lieb, E H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nagy, E, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Opitz, H, Organtini, G, Ostonen, R, Pakhlov, P, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Ro, S, Robohm, A, Rodin, J, Rodríguez-Calonge, F J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Santocchia, A, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Sens, Johannes C, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is observed in the invariant mass distribution $\MDgamma$ corresponding to the decay sequence $\Dstar \rightarrow \gamma {\rm D^{-}_{s}}$, ~$\Dtau$, ~$\tauto \lnunu$. The branching fraction for $\Dtau$ decays is measured to be {$\BR (\Dtau) = 0.074 \pm 0.028(stat) \pm 0.016(syst) \pm 0.018(norm)$}. No signal of $\Btau$ decays is observed in the data, corresponding to an upper limit on the branching fraction $\BR(\Btau) < 5.7 \times 10^{-4}$ at 90\% CL. \end{abstract}

Published
1997

44. QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
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

45. Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
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

46. PAIR PRODUCTION OF W BOSONS IN E+ E- INTERACTIONS AT sqrt(s) = 161 GeV

Author

Acciarri, M., Adriani, O., Aguilar Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alverson, G., Alviggi, M. G., Ambrosi, G., Anderhub, H., Andreev, V. P., Angelescu, T., Anselmo, F., Antreasyan, D., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Banerjee, S., Banicz, K., 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., Borgia, B., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brigljevic, V., Brock, I. C., Buffini, A., Buijs, A., Burger, J. D., Burger, W. J., Busenitz, J., Button, A., Cai, X. D., Campanelli, M., Capell, M., Cara Romeo, G., Caria, M., Carlino, G., Cartacci, A. M., Casaus, J., Castellini, G., Cavallari, F., Cavallo, N., Cecchi, Claudia, Cerrada, M., Cesaroni, F., Chamizo, M., Chan, A., Chang, Y. H., Chaturvediu, K., Chekanov, S. V., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chereau, X., Chiefari, G., Chien, C. Y., Choi, M. T., 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., de la Cruz, B., Csilling, A., Dai, T. S., D'Alessandro, R., De Asmundis, R., Degre, A., Deiters, K., Della Volpe, D., Denes, P., De Notaristefani, F., Dibitonto, D., Diemoz, M., van Dierendonck, D., Di Lodovico, F., Dionisi, C., Dittmar, M., Dominguez, A., Doria, A., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Dutta, S., Easo, S., Efremenko, Y. u., El Mamouni, 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., Fernandez, D., Ferroni, F., Fesefeldt, H., Fiandrini, Emanuele, Field, J. H., Filthaut, F., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Furetta, C., Ganguli, S. N., Garcia Abia, P., Gau, S. S., Gentile, S., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z. F., Gougas, A., Gratta, G., Grunewald, M. W., Gupta, V. K., Gurtu, A., Gutay, L. J., Hartmann, B., Hatzifotiadou, D., Hebbeker, T., Herve, A., Van Hoek, W. C., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Innocente, V., Jenkes, K., Jin, B. N., Jones, L. W., de Jong, P., Josa Mutuberria, I., Kasser, A., Khan, R. A., Kamrad, D., Kamyshkov, Y. u., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Kienzle Focacci, M. N., Kim, D., 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., Korolko, I., Koutsenko, V., Kraemer, R. W., Krenz, W., Kunin, A., Ladron de Guevara, P., Laktineh, I., Landi, G., Lapoint, C., Lassila Perini, K., Laurikainen, P., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Le Coultre, P., Lee, J. S., Lee, K. Y., Le Goff, J. M., Leiste, R., Leonardi, E., Levtchenko, P., Li, C., 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., Mangeol, D., Mangla, S., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., Massaro, G. G. G., Mcnally, D., Mcneil, R. R., Mele, S., Merola, L., Meschini, M., Metzger, W. J., von der Mey, M., Mi, Y., Mihul, A., Van Mil, A. J. W., Mirabelli, G., Mnich, J., Molnar, P., Monteleoni, B., Moore, R., Morganti, S., Moulik, T., Mount, R., Moller, S., Muheim, F., Muijs, A. J. M., Nagy, E., Nahn, S., Napolitano, M., Nessi Tedaldi, F., Newman, H., Niessen, T., Nippe, A., Nisati, A., Nowak, H., Opitz, H., Organtini, G., Ostonen, R., Pandoulas, D., Paoletti, S., Paolucci, P., Park, H. K., Pascale, G., Passaleva, G., Patricelli, S., Paul, T., Pauluzzi, Michele, Paus, C., Pauss, F., Peach, D., Pei, Y. J., Pensotti, S., Perret Gallix, 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., Rahal Callot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Rescigno, M., Reucroft, S., Van Rhee, T., Riemann, S., Riles, K., Ro, S., Robohm, A., Rodin, J., Rodriguez, F. J., Roe, B. P., Romero, L., Rosier Lees, S., Rosselet, P., Van Rossum, W., Roth, S., Rubio, J. A., Rykaczewski, H., Salicio, J., Sanchez, E., Sanders, M. P., Santocchia, Attilio, Sarakinos, M. E., Sarkar, S., Sassowsky, M., Schafer, C., Schegelsky, V., Schmidt Kaerst, S., Schmitz, D., Schmitz, P., Scholz, N., Schopper, H., Schotanus, D. J., Schwenke, J., Schwering, G., Sciacca, C., Sciarrino, D., Servoli, L., Shevchenko, S., Shivarov, N., Shoutko, V., Shukla, J., Shumilov, E., Shvorob, A., Siedenburg, T., Son, D., Sopczak, A., 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., Ting, 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., Van de Walle, R. T., Vesztergombi, G., Vetlitsky, I., Viertel, G., Vivargent, M., Volkert, R., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vorvolakos, A., 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, Yu, Zemp, P., Zeng, Y., Zhang, Z., Zhang, Z. P., Zhou, B., Zhu, G. Y., Zhu, R. Y., Zichichi, A., and Ziegler, F.

Published
1997

47. Search for anomalous four-jet events in $e^+e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the Standard Model predictions and upper limits are set on the production cross section of pairs of heavy particles that decay hadronically.

Published
1997

48. Measurement of hadron and lepton pair production at 161 GeV $\sqrt{s}$ 172 GeV at LEP

Author

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, 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, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Button, A M, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, 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, Chéreau, X J, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Della Volpe, D, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hong, S J, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Ladrón de Guevara, P, Laktineh, I, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Morganti, S, Moulik, T, Mount, R, Müller, S, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, 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, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schultze, K, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, A, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonutti, M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F, 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
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
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

49. Measurement of the branching ratios b --> e$\nu$X, $\mu\nu$X, $\tau\nu$X and $\nu$X

Author

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Antreasyan, D, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banicz, K, Barillère, 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, Biasini, M, Biland, A, Bilei, G M, Blaising, J J, Blyth, S C, Bobbink, Gerjan J, Böck, R K, Böhm, A, Borgia, B, Boucham, A, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Brambilla, Elena, Branson, J G, Brigljevic, V, Brock, I C, Buijs, A, Bujak, A T, Burger, J D, Burger, W J, Busenitz, J K, Buytenhuijs, A O, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Caria, M, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Castello, R, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, M, Chan, A, Chang, Y H, Chaturvedi, U K, Chemarin, M, Chen, A, Chen, G, Chen, G M, Chen, H F, Chen, H S, Chen, M, Chiefari, G, Chien, C Y, Choi, M T, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, De Boeck, H, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dorne, I, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Felcini, Marta, Furetta, C, Ferguson, T, Fernández, D, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Forconi, G, Fredj, L, Freudenreich, Klaus, Galaktionov, Yu, Ganguli, S N, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hangarter, K, Hartmann, B, Hasan, A, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Ilyas, M M, Innocente, Vincenzo, Janssen, H, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamyshkov, Yu A, Kapinos, P, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Korolko, I, Koutsenko, V F, Koulbardis, A, Krämer, R W, Kramer, T, Krenz, W, Kuijten, H, Kunin, A, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee Jae Sik, Lee, K Y, Leggett, C, Le Goff, J M, Leiste, R, Lenti, M, Leonardi, E, Levchenko, P M, Li Chuan, Lieb, E H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Ludovici, L, Luminari, L, Lustermann, W, Ma Wen Gan, Macchiolo, A, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, Mazumdar, K, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Monteleoni, B, Moore, R, Morganti, S, Mount, R, Müller, S, Muheim, F, Nagy, E, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Nippe, A, Nowak, H, Organtini, G, Ostonen, R, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Raghavan, R, Rahal-Callot, G, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riemers, B C, Riles, K, Rind, O, Ro, S, Robohm, A, Rodin, J, Rodríguez-Calonge, F J, Roe, B P, Röhner, S, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Rykaczewski, H, Salicio, J, Sánchez, E, Santocchia, A, Sarakinos, M E, Sarkar, S, Sassowsky, M, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Schöneich, B, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Sens, Johannes C, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Siedenburg, T, Son, D, Sopczak, André, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Sticozzi, F, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonisch, F, Tonutti, M, Tonwar, S C, Tóth, J, Tsaregorodtsev, A Yu, Tully, C, Tuchscherer, H, Tung, K L, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Y F, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zaccardelli, C, Zalite, A, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, and Zichichi, Antonino

Subjects
Particle Physics - Experiment
Published
1996

50. Observation of multiple hard photon final states at $\sqrt{s}$ = 130 - 140 GeV at LEP

Author

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alverson, G, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Antreasyan, D, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banicz, K, Barillère, 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, Biasini, M, Biland, A, Bilei, G M, Blaising, J J, Blyth, S C, Bobbink, Gerjan J, Böck, R K, Böhm, A, Borgia, B, Boucham, A, Bourilkov, D, Bourquin, Maurice, Brambilla, Elena, Branson, J G, Brigljevic, V, Brock, I C, Buijs, A, Bujak, A T, Burger, J D, Burger, W J, Busenitz, J K, Buytenhuijs, A O, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Caria, M, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Castello, R, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, M, Chan, A, Chang, Y H, Chaturvedi, U K, Chemarin, M, Chen, A, Chen, G, Chen, G M, Chen, H F, Chen, H S, Chéreau, X J, Chiefari, G, Chien, C Y, Choi, M T, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Commichau, V, Costantini, S, Cotorobai, F, de la Cruz, B, Dai, T S, D'Alessandro, R, De Asmundis, R, De Boeck, H, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dorne, I, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Felcini, Marta, Furetta, C, Ferguson, T, Fernández, D, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Forconi, G, Fredj, L, Freudenreich, Klaus, Galaktionov, Yu, Ganguli, S N, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Hangarter, K, Hartmann, B, Hasan, A, Hebbeker, T, Hervé, A, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Ilyas, M M, Innocente, Vincenzo, Janssen, H, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamyshkov, Yu A, Kapinos, P, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, J K, Kim, S C, Kim, Y G, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kittel, E W, Klimentov, A, König, A C, Köngeter, A, Korolko, I, Koutsenko, V F, Koulbardis, A, Krämer, R W, Kramer, T, Krenz, W, Kuijten, H, Kunin, A, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee Jae Sik, Lee, K Y, Le Goff, J M, Leiste, R, Lenti, M, Leonardi, E, Levchenko, P M, Li Chuan, Lieb, E H, Lin, W T, Linde, Frank L, Lindemann, B, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Ludovici, L, Luminari, L, Lustermann, W, Ma Wen Gan, Macchiolo, A, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, Mazumdar, K, McNally, D, McNeil, R R, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Mihul, A, Van Mil, A J W, Mirabelli, G, Mnich, J, Möller, M, Monteleoni, B, Moore, R, Morganti, S, Mount, R, Müller, S, Muheim, F, Nagy, E, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Nippe, A, Nowak, H, Organtini, G, Ostonen, R, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Pinto, J C, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Raghavan, R, Rahal-Callot, G, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Ricker, A, Riemann, S, Riemers, B C, Riles, K, Ro, S, Robohm, A, Rodin, J, Rodríguez-Calonge, F J, Roe, B P, Röhner, S, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Rykaczewski, H, Salicio, J, Sánchez, E, Santocchia, A, Sarakinos, M E, Sarkar, S, Sassowsky, M, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schmitz, P, Schneegans, M, Schöneich, B, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schulte, R, Schultze, K, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Sens, Johannes C, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Siedenburg, T, Son, D, Sopczak, André, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Sticozzi, F, Stone, H, Stoyanov, B, Strässner, A, Strauch, K, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Toker, O, Tonisch, F, Tonutti, M, Tonwar, S C, Tóth, J, Tsaregorodtsev, A Yu, Tully, C, Tuchscherer, H, Tung, K L, Ulbricht, J, Uwer, U, Valente, E, Van de Walle, R T, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Y F, Wang, Z M, Weber, A, Wittgenstein, F, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zaccardelli, C, Zalite, A, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, and Zichichi, Antonino

Subjects
Particle Physics - Experiment
Published
1996

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