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QCD studies in e+e- annihilation from 30 GeV to 189 GeV

  • M. Acciarri
  • , P. Achard
  • , O. Adriani
  • , M. Aguilar-Benitez
  • , J. Alcaraz
  • , G. Alemanni
  • , J. Allaby
  • , A. Aloisio
  • , M. G. Alviggi
  • , G. Ambrosi
  • , H. Anderhub
  • , V. P. Andreev
  • , T. Angelescu
  • , F. Anselmo
  • , A. Arefiev
  • , T. Azemoon
  • , T. Aziz
  • , P. Bagnaia
  • , A. Bajo
  • , L. Baksay
  • A. Balandras, S. V. Baldew, S. Banerjee, S. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B. L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J. J. Blaising, S. C. Blyth, G. J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J. G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J. D. Burger, W. J. Burger, X. D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A. M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y. H. Chang, U. K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G. M. Chen, H. F. Chen, H. S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, S. Cucciarelli, T. S. Dai, J. A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. de Salvo, M. Diemoz, M. Dierckxsens, D. van Dierendonck, F. di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M. T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F. J. Eppling, F. C. Erné, P. Extermann, M. Fabre, R. Faccini, M. A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J. H. Field, F. Filthaut, P. H. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Y. Galaktionov, S. N. Ganguli, P. Garcia-Abia, M. Gataullin, S. S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z. F. Gong, G. Grenier, O. Grimm, M. W. Gruenewald, M. Guida, R. van Gulik, V. K. Gupta, A. Gurtu, L. J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S. R. Hou, Y. Hu, I. Iashvili, B. N. Jin, L. W. Jones, P. de Jong, I. Josa-Mutuberría, R. A. Khan, M. Kaur, M. N. Kienzle-Focacci, D. Kim, J. K. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A. C. König, A. Kopp, V. Koutsenko, M. Kräber, R. W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H. J. Lee, J. M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, S. Likhoded, C. H. Lin, W. T. Lin, F. L. Linde, L. Lista, Z. A. Liu, W. Lohmann, E. Longo, Y. S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W. G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, J. Mans, P. Marchesini, G. Marian, J. P. Martin, F. Marzano, K. Mazumdar, R. R. McNeil, S. Mele, L. Merola, M. Meschini, W. J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G. B. Mohanty, P. Molnar, T. Moulik, G. S. Muanza, A. J.M. Muijs, B. Musicar, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H. K. Park, I. H. Park, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P. A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, D. O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M. A. Rahaman, P. Raics, N. Raja, R. Ramelli, P. G. Rancoita, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, A. Robohm, J. Rodin, B. P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J. A. Rubio, G. Ruggiero, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M. P. Sanders, M. E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D. J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D. P. Stickland, A. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L. Z. Sun, H. Suter, J. D. Swain, Z. Szillasi, T. Sztaricskai, X. W. Tang, L. Tauscher, L. Taylor, B. Tellili, C. Timmermans, C. C. Samuel Ting, S. M. Ting, S. C. Tonwar, J. Tóth, C. Tully, K. L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A. A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X. L. Wang, Z. M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S. X. Wu, S. Wynhoff, L. Xia, Z. Z. Xu, J. Yamamoto, B. Z. Yang, C. G. Yang, H. J. Yang, M. Yang, J. B. Ye, S. C. Yeh, A. Zalite, Y. Zalite, Z. P. Zhang, G. Y. Zhu, R. Y. Zhu, A. Zichichi, G. Zilizi, M. Zöller
  • National Institute for Nuclear Physics
  • University of Geneva
  • CIEMAT
  • University of Lausanne
  • CERN
  • Swiss Federal Institute of Technology Zurich
  • Louisiana State University
  • Nuclear Physics Institute
  • Institute of Atomic Physics and University of Bucharest
  • Alikhanov Institute for Theoretical and Experimental Physics
  • University of Michigan, Ann Arbor
  • Tata Institute of Fundamental Research
  • University of Rome La Sapienza
  • University of Alabama
  • IN2P3-CNRS
  • University of Amsterdam
  • Paul Scherrer Institute
  • University of Perugia
  • Massachusetts Institute of Technology
  • Carnegie Mellon University
  • RWTH Aachen University
  • Hungarian Academy of Sciences
  • University of California at San Diego
  • Utrecht University
  • University of Basilicata
  • University of Salento
  • National Central University
  • ICSC - World Laboratory
  • Institut de Physique des 2 Infinis de Lyon
  • CAS - Institute of High Energy Physics
  • University of Science and Technology of China
  • University of Salerno
  • University of Basel
  • Radboud University Nijmegen
  • Princeton University
  • University of Santiago de Compostela
  • California Institute of Technology
  • Northeastern University
  • Humboldt University of Berlin
  • Purdue University
  • University of Cyprus
  • Kyungpook National University
  • German Electron Synchrotron
  • Institute for Nuclear Research
  • University of Helsinki
  • University of Hamburg
  • Bulgarian Academy of Sciences
  • National Tsing Hua University

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies. The distributions of event shape variables and the energy dependence of their mean values are measured from 30 GeV to 189 GeV and compared with various QCD models. The energy dependence of the moments of event shape variables is used to test a power law ansatz for the non-perturbative component. We obtain a universal value of the non-perturbative parameter α0 = 0.537 ± 0.073. From a comparison with resummed O(α(s)/2) QCD calculations, we determine the strong coupling constant at each of the selected energies. The measurements demonstrate the running of α(s) as expected in QCD with a value of α(s)(m(z)) = 0.1215 ± 0.0012 (exp) ± 0.0061 (th). (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)65-80
Number of pages16
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume489
Issue number1-2
DOIs
StatePublished - Sep 14 2000

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