51. STUDIES OF HADRONIC EVENT STRUCTURE AND COMPARISONS WITH QCD MODELS AT THE Z(0) RESONANCE
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Atul Gurtu, K. Deiters, Y. J. Pei, Pablo Garcia-Abia, Alain Hervé, Jj Blaising, A. C. Weber, Zhenghao Xu, T. Kramer, B. P. Roe, A. Bay, A. Arefiev, Zheng Wang, R. Leiste, Carlo Civinini, M. Maolinbay, D. Linnhofer, D.N. Mao, A. Bujak, Oliver Kornadt, M. Pohl, P. Schmitz, Mariagrazia Alviggi, A. Krivshich, G. Raven, X.G. Li, R. Malik, M. Caria, A. Koulbardis, F. Cesaroni, M. Aguilar-Benitez, S. Rosier-Lees, B. Monteleoni, Federico Carminati, V. Koutsenko, Herwig Schopper, R. Barillère, I. Vetlitsky, K. Freudenreich, F. Sticozzi, C. Spartiotis, Maurizio Biasini, J. Y. Liao, D. Boutigny, G. Mirabelli, H.F. Chen, A. Kasser, Guofan Hu, Yu. Galaktionov, M. White, M. Gailloud, M. S. Sarakinos, T. E. Coan, J. G. Branson, J. Alcaraz, Steven Ahlen, Yu. Kamyshkov, B. L. Betev, Marta Felcini, Z. W. Yin, S. N. Ganguli, K. Lübelsmeyer, Piero Spillantini, Emilio Leonardi, A. Degré, J. Schütte, E. Dénes, R. Sehgal, Tariq Aziz, Xl Wang, F. Marzano, G. Coignet, W. Krenz, R.J. Wu, R. Bock, G. M. Bilei, T. Angelov, Francesco Becattini, M. Capell, M.L. Chen, M. Vivargent, C. Maña, S. Schulte, Mw Gruenewald, R. Morand, Z. L. Xue, M. Merk, P. Vikas, K. Lanius, J. M. Lubbers, G. Tsipolitis, C. R. Wang, J. Krizmanic, G. B. Mills, L. Baksay, R. Rosmalen, Cheng Chen, L. Z. Sun, M. Schneegans, F. Bruyant, Adrian Biland, W. J. Burger, Samuel C.C. Ting, G. Herten, K. Schmiemann, Jianming Qian, Howard A. Stone, G. Hu, M. Guanziroli, A. M. Cartacci, R. Raghavan, A. C. König, Laurent Vuilleumier, S. J. Fan, J. M. Salicio, H. El Mamouni, K. N. Qureshi, Yuehong Xie, Roberto Battiston, C. Zaccardelli, I. C. Brock, W. W. Kinnison, W. Friebel, C. G. Yang, G. H. Wang, Lamberto Luminari, Christine Buisson, M. Sachwitz, K. Sudhakar, B. Borgia, Steven Goldfarb, G. Passaleva, Crisostomo Sciacca, J. Wenninger, Marco Pieri, S. Lanzano, Bernardo Adeva, J. Ulbricht, Marcella Diemoz, Raffaello D'Alessandro, A. Engler, U. Herten, J. S. Kapustinsky, D. P. Stickland, V. Pojidaev, Z. Y. Lin, Zhuoxiang Ren, E. Gonzales, S. Röhner, F. Wittgenstein, J. B. Ye, P. Arce, C. Grinnell, Carlos Willmott, J. P. Martin, Leonardo Merola, K. S. Kumar, R. Mount, Y. Mir, C. H. Ye, Speranza Falciano, Y. F. Wang, D. Goujon, R. C. Ball, Pierre Lecomte, G. Sartorelli, S. Patricelli, Giovanni Ambrosi, M. Wadhwa, D. J. Schotanus, L. Ludovici, M. Chmeissani, Alberto Aloisio, A. Ricker, Gerard Fernandez, R. Fabbretti, H. S. Fesefeldt, Kajari Mazumdar, H. T. Li, I. Clare, J. Busenitz, Sc Yeh, T. Azemoon, E. Drago, G. Schwering, L. Romero, G. Von Dardel, L. Niessen, D. Z. Shen, J. A. Bakken, G. Landi, M. L. Brooks, J. M. You, S. Khokhar, T.R. McMahon, Th. Meinholz, Jozsef Toth, N. Produit, O. Rind, X. J. Yan, S. Müller, A. Malinin, P. Göttlicher, Vincenzo Innocente, A. Marin, J. Lettry, Claudio Luci, E. Shumilov, Simone Paoletti, Wt Lin, X. W. Tang, I. Sheer, Elisabetta Gallo, Q. Ye, S. X. Wu, Bolek Wyslouch, Qian Wang, R. Bizzarri, D. Pandoulas, D. Fernandez, P. A. Piroué, Bz Yang, Marcos Cerrada, F. DeNotaristefani, Xd Cai, G. A. Yang, T. Spickermann, X. R. Shi, Yanwen Liu, C. Neyer, S. S. Gau, T. J. Wenaus, M. Bourquin, L. Leistam, P.V.K.S. Baba, D. Gele, V. Shoutko, Stefan Kirsch, Felicitas Pauss, H. R. Dimitrov, B. N. Jin, K. Strauch, Sw. Banerjee, Manjit Kaur, R.B. Sutton, Bernard Ille, H. Nowak, D. DiBitonto, Ph. Rosselet, E. Valente, O. Fackler, Sabine Riemann, L. Urbán, H. L. Zhuang, V. Plyaskin, A. A. Syed, C. Dionisi, A. Sopczak, M. Steuer, G. Forconi, M. Fukushima, J. D. Swain, H. R. Gustafson, S. Reucroft, Y. H. Chang, W. Wallraff, H. Akbari, Daqiang Zhang, M. Rescigno, S. Shotkin, M. Lenti, B.C. Stringfellow, J. Weber, P. Le Coultre, A. Nadtochy, P. McBride, Jiunn-Wei Chen, M. Tonutti, D. McNally, Chenjie Gu, M. T. Dova, M. Yzerman, F. Crijns, W. Y. Chen, D. Perret-Gallix, D. Antreasyan, An.A. Vorobyov, H. Anderhub, P. Berges, T. Matsuda, George Alverson, B. Zhou, J. M. Le Goff, H. O. Cohn, D. H. Wright, C. F. He, K. Hangarter, M. Hebert, Qi An, A. Böhm, O. Adriani, Panos A Razis, G. S. Sanders, Jun Guo, B. Lindemann, P. G. Seiler, J. A. Rubio, X. Leytens, G. Viertel, Z. F. Gong, H. Janssen, K.S. Yang, P. Kapinos, D. Duchesneau, J. P. Burq, Dimitri Bourilkov, Lucas Taylor, G. Finocchiaro, P. Blömeke, J. D. Burger, R. Starosta, P. Duinker, Vineet Kumar, X. T. Cui, A. Klimentov, G. Rahal-Callot, D. Luckey, Gy L. Bencze, Reinhard W. Schulte, Stéphane Jézéquel, Hans J. Vogel, J. Perrier, W.G. Ma, S. Morganti, Kenneth Francis Read, D.W. Schmitz, G.G.G. Massaro, Simonetta Gentile, Marco Meschini, D. Hauschildt, F. C. Erné, J. Schwenke, M. Möller, D. Kirkby, J. Berdugo, X. Y. Cui, Robert Clare, S. Beingessner, Z.Q. Yang, M. Fabre, R. L. Summer, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, K. Schultze, H. Suter, M. Napolitano, J. Mnich, F. Ferroni, L. Martinez-Laso, A. Atamanchuk, P. Zemp, D. Lanske, Georgi Sultanov, F. Plasil, Mingshui Chen, Fl Linde, P. Marchesini, T. S. Dai, R. A. Khan, Ming Zeng, E. Soderstrom, H. S. Chen, R. de Asmundis, L. Servoli, A. Rubbia, T. Foreman, V. R. Krastev, M. Pauluzzi, G. Chiefari, S. Shevchenko, Y. Zeng, J. Bao, M. Röhner, A. Pevsner, F. Behner, T. Driever, N. Yunus, W. Kittel, D. Ren, J. Shukla, V. P. Andreev, G.J. Bobbink, U. Vikas, M. Chemarin, Y.F. Mao, A. Contin, N. E. Moulai, R. T. Van de Walle, G. M. Chen, G. Gratta, I. Scott, Barry Blumenfeld, E. Fiandrini, Christopher George Tully, E. Nagy, Valery Schegelsky, Antonino Zichichi, L. J. Gutay, U. Becker, G. Sauvage, Wolfgang Lohmann, I. Duran, Ph Fisher, H. Rykaczewski, Giovanni Organtini, D. M. Lee, Y. Karyotakis, H. Vogt, B. Bertucci, F. J. Eppling, L. W. Jones, D. S. Yan, M. Bocciolini, I. Vorobiev, S. Chung, Harvey B Newman, S. M. Ting, K. Hilgers, Attilio Santocchia, Jean Fay, Nicanor Colino, M. Dhina, L. Antonov, M. N. Kienzle-Focacci, J.H. Wang, P. K. Malhotra, H. A. Rizvi, A. Kunin, Hafeez R Hoorani, W. J. Metzger, A. Tsaregorodtsev, J. Behrens, P. J. Li, P. Lebrun, BT Bouwens, U. Uwer, A. Chen, J. Salicio, Ren-Yuan Zhu, Luciano Barone, Q.Y. Yang, H. J. Schreiber, E. Brambilla, A. Hasan, Y. D. Xu, U. K. Chaturvedi, Y. S. Lu, Jérôme Rose, J. H. Field, C. Y. Chien, C. Li, Peter Denes, Paolo Bagnaia, Y. Mi, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, M. MacDermott, M. A. Niaz, C. J.W.P. Timmermans, P. Extermann, I. Leedom, H. Hofer, K. L. Tung, Egidio Longo, J.C. Sens, M. M. Ilyas, R. Weill, Zhidong Zhang, A. L. Anderson, F. Marion, Ying Wu, J. F. Zhou, 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, B., Adeva, O., Adriani, M., Aguilarbenitez, S., Ahlen, H., Akbari, J., Alcaraz, Aloisio, Alberto, G., Alverson, Alviggi, Mariagrazia, G., Ambrosi, Q., An, H., Anderhub, A. L., Anderson, V. P., Andreev, T., Angelov, L., Antonov, D., Antreasyan, P., Arce, A., Arefiev, A., Atamanchuk, T., Azemoon, T., Aziz, P. V., K., P., Bagnaia, J. A., Bakken, L., Baksay, R. C., Ball, S., Banerjee, J., Bao, R., Barillere, L., Barone, R., Battiston, A., Bay, F., Becattini, U., Becker, F., Behner, J., Behren, S., Beingessner, G. L., Bencze, J., Berdugo, P., Berge, B., Bertucci, B. L., Betev, M., Biasini, A., Biland, G. M., Bilei, R., Bizzarri, J. J., Blaising, P., Blomeke, B., Blumenfeld, G. J., Bobbink, M., Bocciolini, R., Bock, A., Bohm, B., Borgia, D., Bourilkov, M., Bourquin, D., Boutigny, B., Bouwen, E., Brambilla, J. G., Branson, I. C., Brock, M., Brook, F., Bruyant, C., Buisson, A., Bujak, J. D., Burger, W. J., Burger, J. P., Burq, J., Busenitz, X. D., Cai, M., Capell, M., Caria, F., Carminati, A. M., Cartacci, M., Cerrada, F., Cesaroni, Y. H., Chang, U. K., Chaturvedi, M., Chemarin, A., Chen, C., Chen, G. M., Chen, H. F., Chen, H. S., Chen, J., Chen, M., Chen, M. L., Chen, W. Y., Chen, Chiefari, Giovanni, C. Y., Chien, M., Chmeissani, S., Chung, C., Civinini, I., Clare, R., Clare, T. E., Coan, H. O., Cohn, G., Coignet, N., Colino, A., Contin, F., Crijn, X. T., Cui, X. Y., Cui, T. S., Dai, R., Dalessandro, R., Deasmundi, A., Degre, K., Deiter, E., Dene, P., Dene, F., Denotaristefani, M., Dhina, D., Dibitonto, M., Diemoz, H. R., Dimitrov, C., Dionisi, M. T., Dova, E., Drago, T., Driever, D., Duchesneau, P., Duinker, I., Duran, H., Elmamouni, A., Engler, F. J., Eppling, F. C., Erne, P., Extermann, R., Fabbretti, M., Fabre, S., Falciano, S. J., Fan, O., Fackler, J., Fay, M., Felcini, T., Ferguson, D., Fernandez, G., Fernandez, F., Ferroni, H., Fesefeldt, E., Fiandrini, J., Field, F., Filthaut, G., Finocchiaro, P. H., Fisher, G., Forconi, T., Foreman, K., Freudenreich, W., Friebel, M., Fukushima, M., Gailloud, Y., Galaktionov, E., Gallo, S. N., Ganguli, P., Garciaabia, S. S., Gau, D., Gele, S., Gentile, S., Goldfarb, Z. F., Gong, E., Gonzale, P., Gottlicher, D., Goujon, G., Gratta, C., Grinnell, M., Gruenewald, C., Gu, M., Guanziroli, J. K., Guo, A., Gurtu, H. R., Gustafson, L. J., Gutay, K., Hangarter, A., Hasan, D., Hauschildt, C. F., He, T., Hebbeker, M., Hebert, G., Herten, U., Herten, A., Herve, K., Hilger, H., Hofer, H., Hoorani, G., Hu, G. Q., Hu, B., Ille, M. M., Ilya, V., Innocente, H., Janssen, S., Jezequel, B. N., Jin, L. W., Jone, A., Kasser, R. A., Khan, Y., Kamyshkov, P., Kapino, J. S., Kapustinsky, Y., Karyotaki, M., Kaur, S., Khokhar, M. N., Kienzlefocacci, W. W., Kinnison, D., Kirkby, S., Kirsch, W., Kittel, A., Klimentov, A. C., Konig, O., Kornadt, V., Koutsenko, A., Koulbardi, R. W., Kraemer, T., Kramer, V. R., Krastev, W., Krenz, A., Krivshich, J., Krizmanic, K. S., Kumar, V., Kumar, A., Kunin, G., Landi, K., Laniu, D., Lanske, S., Lanzano, P., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, D. M., Lee, I., Leedom, J. M., Legoff, L., Leistam, R., Leiste, M., Lenti, E., Leonardi, J., Lettry, X., Leyten, C., Li, H. T., Li, P. J., Li, X. G., Li, J. Y., Liao, W. T., Lin, Z. Y., Lin, F. L., Linde, B., Lindemann, D., Linnhofer, Y., Liu, W., Lohmann, E., Longo, Y. S., Lu, J. M., Lubber, K., Lubelsmeyer, C., Luci, D., Luckey, L., Ludovici, L., Luminari, W. G., Ma, M., Macdermott, P. K., Malhotra, R., Malik, A., Malinin, C., Mana, D. N., Mao, Y. F., Mao, M., Maolinbay, P., Marchesini, F., Marion, A., Marin, J. P., Martin, L., Martinezlaso, F., Marzano, G. G., G., T., Matsuda, K., Mazumdar, P., Mcbride, T., Mcmahon, D., Mcnally, T., Meinholz, M., Merk, Merola, Leonardo, M., Meschini, W. J., Metzger, Y., Mi, G. B., Mill, Y., Mir, G., Mirabelli, J., Mnich, M., Moller, B., Monteleoni, R., Morand, S., Morganti, N. E., Moulai, R., Mount, S., Muller, A., Nadtochy, E., Nagy, Napolitano, Marco, H., Newman, C., Neyer, M. A., Niaz, L., Niessen, H., Nowak, G., Organtini, D., Pandoula, S., Paoletti, G., Passaleva, Patricelli, Sergio, M., Pauluzzi, F., Pau, Y. J., Pei, D., Perretgallix, J., Perrier, A., Pevsner, M., Pieri, P. A., Piroue, F., Plasil, V., Plyaskin, M., Pohl, V., Pojidaev, N., Produit, J. M., Qian, K. N., Qureshi, R., Raghavan, G., Rahalcallot, G., Raven, P., Razi, K., Read, D., Ren, Z., Ren, M., Rescigno, S., Reucroft, A., Ricker, S., Riemann, O., Rind, H. A., Rizvi, B. P., Roe, M., Rohner, S., Rohner, L., Romero, J., Rose, S., Rosierlee, R., Rosmalen, P., Rosselet, A., Rubbia, J. A., Rubio, H., Rykaczewski, M., Sachwitz, J., Salicio, J. M., Salicio, G. S., Sander, A., Santocchia, M. S., Sarakino, G., Sartorelli, G., Sauvage, V., Schegelsky, K., Schmiemann, D., Schmitz, P., Schmitz, M., Schneegan, H., Schopper, D. J., Schotanu, S., Shotkin, H. J., Schreiber, J., Shukla, R., Schulte, S., Schulte, K., Schultze, J., Schutte, J., Schwenke, G., Schwering, Sciacca, Crisostomo, I., Scott, R., Sehgal, P. G., Seiler, J. C., Sen, L., Servoli, I., Sheer, D. Z., Shen, S., Shevchenko, X. R., Shi, E., Shumilov, V., Shoutko, E., Soderstrom, A., Sopczak, C., Spartioti, T., Spickermann, P., Spillantini, R., Starosta, M., Steuer, D. P., Stickland, F., Sticozzi, H., Stone, K., Strauch, B. C., Stringfellow, K., Sudhakar, G., Sultanov, R. L., Summer, L. Z., Sun, H., Suter, R. B., Sutton, J. D., Swain, A. A., Syed, X. W., Tang, L., Taylor, C., Timmerman, S. C., C., S. M., Ting, M., Tonutti, S. C., Tonwar, J., Toth, A., Tsaregorodtsev, G., Tsipoliti, C., Tully, K. L., Tung, J., Ulbricht, L., Urban, U., Uwer, E., Valente, R. T., Vandewalle, I., Vetlitsky, G., Viertel, P., Vika, U., Vika, M., Vivargent, H., Vogel, H., Vogt, G., Vondardel, I., Vorobiev, A. A., Vorobyov, L., Vuilleumier, M., Wadhwa, W., Wallraff, C. R., Wang, G. H., Wang, J. H., Wang, Q. F., Wang, X. L., Wang, Y. F., Wang, Z. M., Wang, A., Weber, J., Weber, R., Weill, T. J., Wenau, J., Wenninger, M., White, C., Willmott, F., Wittgenstein, D., Wright, R. J., Wu, S. X., Wu, Y. G., Wu, B., Wyslouch, Y. Y., Xie, Y. D., Xu, Z. Z., Xu, Z. L., Xue, D. S., Yan, X. J., Yan, B. Z., Yang, C. G., Yang, G., Yang, K. S., Yang, Q. Y., Yang, Z. Q., Yang, C. H., Ye, J. B., Ye, Q., Ye, S. C., Yeh, Z. W., Yin, J. M., You, N., Yunu, M., Yzerman, C., Zaccardelli, P., Zemp, M., Zeng, Y., Zeng, D. H., Zhang, Z. P., Zhang, B., Zhou, J. F., Zhou, R. Y., Zhu, H. L., Zhuang, and A., Zichichi
- Subjects
Particle physics ,Physics and Astronomy (miscellaneous) ,MULTIPLICITY DISTRIBUTIONS ,MONTE-CARLO SIMULATION ,Monte Carlo method ,Parton ,01 natural sciences ,Nuclear physics ,0103 physical sciences ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,PERTURBATIVE QCD ,CHARGED-PARTICLE ,Nuclear Experiment ,010306 general physics ,Parton shower ,GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries) ,Engineering (miscellaneous) ,ELECTRON-POSITRON ANNIHILATION ,Quantum chromodynamics ,Physics ,QUANTUM CHROMODYNAMICS ,010308 nuclear & particles physics ,JET PRODUCTION-RATES ,Perturbative QCD ,E+E-ANNIHILATION ,SOFT GLUON INTERFERENCE ,Hadronization ,Initial and final state radiation ,High Energy Physics::Experiment ,Z0 RESONANCE ,Particle Physics - Experiment ,Factorial moment - Abstract
The structure of hadronic events fromZ 0 decay is studied by measuring event shape variables, factorial moments, and the energy flow distribution. The distributions, after correction for detector effects and initial and final state radiation, are compared with the predictions of different QCD Monte Carlo programs with optimized parameter values. These Monte Carlo programs use either the second order matrix element or the parton shower evolution for the perturbative QCD calculations and use the string, the cluster, or the independent fragmentation model for hadronization. Both parton shower andO(α 2 s matrix element based models with string fragmentation describe the data well. The predictions of the model based on parton shower and cluster fragmentation are also in good agreement with the data. The model with independent fragmentation gives a poor description of the energy flow distribution. The predicted energy evolutions for the mean values of thrust, sphericity, aplanarity, and charge multiplicity are compared with the data measured at different center-of-mass energies. The parton shower based models with string or cluster fragmentation are found to describe the energy dependences well while the model based on theO(α 2 s calculation fails to reproduce the energy dependences of these mean values.
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