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Article
Report number hep-ex/0110051 ; CERN-EP-2001-070 ; CERN-EP-2001-070
Title Genuine Correlations of Like-Sign Particles in Hadronic $Z^0$ Decays
Author(s)

Abbiendi, G. ; Ainsley, C. ; Akesson, P.F. ; Alexander, G. ; Allison, John ; Anagnostou, G. ; Anderson, K.J. ; Arcelli, S. ; Asai, S. ; Axen, D. ; Azuelos, G. ; Bailey, I. ; Barberio, E. ; Barlow, R.J. ; Batley, R.J. ; Behnke, T. ; Bell, Kenneth Watson ; Bell, P.J. ; Bella, G. ; Bellerive, A. ; Benelli, G. ; Bethke, S. ; Biebel, O. ; Bloodworth, I.J. ; Boeriu, O. ; Bock, P. ; Bohme, J. ; Bonacorsi, D. ; Boutemeur, M. ; Braibant, S. ; Brigliadori, L. ; Brown, Robert M. ; Burckhart, H.J. ; Cammin, J. ; Carnegie, R.K. ; Caron, B. ; Carter, A.A. ; Carter, J.R. ; Chang, C.Y. ; Charlton, David G. ; Clarke, P.E.L. ; Clay, E. ; Cohen, I. ; Couchman, J. ; Csilling, A. ; Cuffiani, M. ; Dado, S. ; Dallavalle, G.Marco ; Dallison, S. ; De Roeck, A. ; De Wolf, E.A. ; Dervan, P. ; Desch, K. ; Dienes, B. ; Dixit, M.S. ; Donkers, M. ; Dubbert, J. ; Duchovni, E. ; Duckeck, G. ; Duerdoth, I.P. ; Etzion, E. ; Fabbri, F. ; Feld, L. ; Ferrari, P. ; Fiedler, F. ; Fleck, I. ; Ford, M. ; Frey, A. ; Furtjes, A. ; Futyan, D.I. ; Gagnon, P. ; Gary, J.W. ; Gaycken, G. ; Geich-Gimbel, C. ; Giacomelli, G. ; Giacomelli, P. ; Glenzinski, D. ; Goldberg, J. ; Graham, K. ; Gross, E. ; Grunhaus, J. ; Gruwe, M. ; Gunther, P.O. ; Gupta, A. ; Hajdu, C. ; Hamann, M. ; Hanson, G.G. ; Harder, K. ; Harel, A. ; Harin-Dirac, M. ; Hauschild, M. ; Hauschildt, J. ; Hawkes, C.M. ; Hawkings, R. ; Hemingway, R.J. ; Hensel, C. ; Herten, G. ; Heuer, R.D. ; Hill, J.C. ; Hoffman, Kara Dion ; Homer, R.J. ; Horvath, D. ; Hossain, K.R. ; Howard, R. ; Huntemeyer, P. ; Igo-Kemenes, P. ; Ishii, K. ; Jawahery, A. ; Jeremie, H. ; Jones, C.R. ; Jovanovic, P. ; Junk, T.R. ; Kanaya, N. ; Kanzaki, J. ; Karapetian, G. ; Karlen, D. ; Kartvelishvili, V. ; Kawagoe, K. ; Kawamoto, T. ; Keeler, R.K. ; Kellogg, R.G. ; Kennedy, B.W. ; Kim, D.H. ; Klein, K. ; Klier, A. ; Kluth, S. ; Kobayashi, T. ; Kobel, M. ; Kokott, T.P. ; Komamiya, S. ; Kowalewski, Robert V. ; Kramer, T. ; Kress, T. ; Krieger, P. ; von Krogh, J. ; Krop, D. ; Kuhl, T. ; Kupper, M. ; Kyberd, P. ; Lafferty, G.D. ; Landsman, H. ; Lanske, D. ; Lawson, I. ; Layter, J.G. ; Leins, A. ; Lellouch, D. ; Letts, J. ; Levinson, L. ; Lillich, J. ; Littlewood, C. ; Lloyd, S.L. ; Loebinger, F.K. ; Long, G.D. ; Losty, M.J. ; Lu, J. ; Ludwig, J. ; Macchiolo, A. ; Macpherson, A. ; Mader, W. ; Marcellini, S. ; Marchant, T.E. ; Martin, A.J. ; Martin, J.P. ; Martinez, G. ; Masetti, G. ; Mashimo, T. ; Mattig, Peter ; McDonald, W.J. ; McKenna, J. ; McMahon, T.J. ; McPherson, R.A. ; Meijers, F. ; Mendez-Lorenzo, P. ; Menges, W. ; Merritt, F.S. ; Mes, H. ; Michelini, A. ; Mihara, S. ; Mikenberg, G. ; Miller, D.J. ; Moed, S. ; Mohr, W. ; Mori, T. ; Mutter, A. ; Nagai, K. ; Nakamura, I. ; Neal, H.A. ; Nisius, R. ; O'Neale, S.W. ; Oh, A. ; Okpara, A. ; Oreglia, M.J. ; Orito, S. ; Pahl, C. ; Pasztor, G. ; Pater, J.R. ; Patrick, G.N. ; Pilcher, J.E. ; Pinfold, J. ; Plane, David E. ; Poli, B. ; Polok, J. ; Pooth, O. ; Quadt, A. ; Rabbertz, K. ; Rembser, C. ; Renkel, P. ; Rick, H. ; Rodning, N. ; Roney, J.M. ; Rosati, S. ; Roscoe, K. ; Rozen, Y. ; Runge, K. ; Rust, D.R. ; Sachs, K. ; Saeki, T. ; Sahr, O. ; Sarkisyan, E.K.G. ; Sbarra, C. ; Schaile, A.D. ; Schaile, O. ; Scharff-Hansen, P. ; Schroder, Matthias ; Schumacher, M. ; Schwick, C. ; Scott, W.G. ; Seuster, R. ; Shears, T.G. ; Shen, B.C. ; Shepherd-Themistocleous, C.H. ; Sherwood, P. ; Skuja, A. ; Smith, A.M. ; Snow, G.A. ; Sobie, R. ; Soldner-Rembold, S. ; Spagnolo, S. ; Spano, F. ; Sproston, M. ; Stahl, A. ; Stephens, K. ; Strom, David M. ; Strohmer, R. ; Stumpf, L. ; Surrow, B. ; Tarem, S. ; Tasevsky, M. ; Taylor, R.J. ; Teuscher, R. ; Thomas, J. ; Thomson, M.A. ; Torrence, E. ; Toya, D. ; Trefzger, T. ; Tricoli, A. ; Trigger, I. ; Trocsanyi, Z. ; Tsur, E. ; Turner-Watson, M.F. ; Ueda, I. ; Ujvari, B. ; Vachon, B. ; Vollmer, C.F. ; Vannerem, P. ; Verzocchi, M. ; Voss, H. ; Vossebeld, J. ; Waller, D. ; Ward, C.P. ; Ward, D.R. ; Watkins, P.M. ; Watson, A.T. ; Watson, N.K. ; Wells, P.S. ; Wengler, T. ; Wermes, N. ; Wetterling, D. ; Wilson, G.W. ; Wilson, J.A. ; Wyatt, T.R. ; Yamashita, S. ; Zacek, V. ; Zer-Zion, D.

Affiliation (CERN)
Publication 2001
Imprint 25 Sep 2001
Number of pages 26
Note 26 pages, 6 figures, Submitted to Phys. Lett. B Report-no: CERN-EP-2001-070
In: Phys. Lett. B 523 (2001) 35-52
DOI 10.1016/S0370-2693(01)01332-6
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LEP ; OPAL
Abstract Correlations among hadrons with the same electric charge produced in Z0 decays are studied using the high statistics data collected from 1991 through 1995 with the OPAL detector at LEP. Normalized factorial cumulants up to fourth order are used to measure genuine particle correlations as a function of the size of phase space domains in rapidity, azimuthal angle and transverse momentum. Both all-charge and like-sign particle combinations show strong positive genuine correlations. One-dimensional cumulants initially increase rapidly with decreasing size of the phase space cells but saturate quickly. In contrast, cumulants in two- and three-dimensional domains continue to increase. The strong rise of the cumulants for all-charge multiplets is increasingly driven by that of like-sign multiplets. This points to the likely influence of Bose-Einstein correlations. Some of the recently proposed algorithms to simulate Bose-Einstein effects, implemented in the Monte Carlo model PYTHIA, are found to reproduce reasonably well the measured second- and higher-order correlations between particles with the same charge as well as those in all-charge particle multiplets.
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 記錄創建於2001-10-23,最後更新在2021-10-29


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