Measurement of the charged particle multiplicity distribution in hadronic Z decays

Décamp, D.; Deschizeaux, B.; Goy, C.; Lees, J. P.; Minard, M.-N.; Alemany, R.; Crespo, J.M.; Delfino, M.; Fernández, E.; Gaitan, V.; Garrido, Ll.; Mir, L. M.; Pacheco, A.; Catanesi, M. G.; Creanza, D.; Palma, M. De; Farilla, A.; Iaselli, G.; Mäggi, G.; Maggi, M.; Natali, S.; Nuzzo, S.; Quattromini, M.; Ranieri, A.; Raso, G.; Romano, F.; Ruggieri, F.; Selvaggi, G.; Silvestris, L.; Tempesta, P.; Zito, G.; Hu, H.; Huang, D.; Huang, X. T.; Lin, J.; Lou, J.; Qiao, C. F.; Ruan, T.; Wang, T.; Xie, Y.; Xu, D.; Xu, R.; Zhang, J.; Zhao, W.; Atwood, W. B.; Bauerdick, L. A. T.; Bird, F.; Blucher, E.; Bonvicini, G.; Bossi, F.; Boudreau, J.; Burnett, T. H.; Drevermann, H.; Forty, R.; Grab, C.; Hagelberg, R.; Haywood, S. J.; Hilgart, J.; Jost, B.; Kasemann, M.; Knobloch, J.; Lacourt, A.; Lançon, E.; Lehraus, I.; Löhse, T.; Lusiani, A.; Marchioro, A.; Martı́nez, M.; Mató, P.; Menary, S.; Meyer, T. C.; Minten, A.; Miotto, A.; Miquel, R.; Moser, H. G.; Nash, J.; Palazzi, P.; Ranjard, F.; Redlinger, G.; Rolandi, G.; Roth, A.; Rothberg, J.; Rotscheidt, H.; Saich, M.; Schlatter, D.; Schmelling, M.; Tejessy, W.; Wachsmuth, H.; Wasserbaech, S.; Wiedenmann, W.; Witzeling, W.; Wotschack, J.; Ajaltouni, Z.; Badaud, F.; Bardadin-Otwinowska, M.; Bencheikh, A. M.; Fellous, R. El; Falvard, A.; Guicheney, C.; Henrard, P.; Jousset, J.; Michel, B.; Montret, J. C.; Pallin, D.; Perret, P.; Proriol, J.; Prulhière, F.; Stimpfl, G.; Hansen, J. D.; Hansen, J. R.; Hansen, P. H.; Möllerud, R.; Nilsson, B.S.; Efthymiopoulos, I.; Simopoulou, E.; Vayaki, A.; Badier, J.; Blondel, A.; Bonneaud, G. R.; Brient, J. C.; Fouque, G.; Gamess, A.; Harvey, J.; Orteu, S.; Rosowsky, A.; Rougé, A.; Rumpf, M.; Tanaka, R.; Videau, H.; Candlin, D. J.; Veitch, E.; Moneta, L.; Parrini, G.; Corden, M.; Georgiopoulos, C.; Ikeda, M.; Lannutti, J.; Levinthal, D.; Mermikides, M.; Sawyer, L.; Antonelli, A.; Baldini, R.; Bencivenni, G.; Bologna, G.; Campana, P.; Capon, G.; Cerutti, F.; Chiarella, V.; D’Ettorre-Piazzoli, B.; Felici, G.; Laurelli, P.; Mannocchi, G.; Murtas, F.; Murtas, F.; Passalacqua, L.; Pepe-Altarelli, M.; Picchi, P.; Zografou, P.; Altoon, B.; Boyle, O.; Colrain, P.; Halley, A.W.; Have, I. ten; Lynch, J.G.; Maitland, W.; Morton, W. T.; Raine, C.; Scarr, J. M.; Smith, K. M.; Thompson, A. S.; Turnbull, R.M.; Brandl, B.; Braun, O.; Geiges, R.; Geweniger, C.; Hanke, P.; Hepp, V.; Kluge, E.-E.; Maumary, Y.; Putzer, A.; Rensch, B.; Stahl, A.; Tittel, K.; Wunsch, M.; Belk, A. T.; Beuselinck, R.; Binnie, D. M.; Cameron, W.; Cattaneo, M.; Dornan, P. J.; Dugeay, S.; Greene, A. M.; Hassard, J. F.; Lieske, N. M.; Patton, S.; Payne, D. G.; Phillips, M. J.; Sedgbeer, J. K.; Taylor, G. P.; Tomalin, I. R.; Wright, A. G.; Girtler, P.; Kühn, D.; Rudolph, G.; Bowdery, C. K.; Brodbeck, T. J.; Finch, A. J.; Foster, F.; Hughes, G.; Keemer, N. R.; Nuttall, M.; Patel, Apoorva; Rowlingson, B. S.; Sloan, T.; Snow, S. W.; Whelan, E. P.; Barczewski, T.; Kleinknecht, K.; Raab, J.; Renk, B.; Roehn, S.; Sander, H. G.; Schmidt, H.; Steeg, F.; Walther, S. M.; Wolf, B.; Aubert, J.J.; Benchouk, C.; Bernard, Véronique; Bonissent, A.; Carr, J.; Coyle, P.; Drinkard, J.; Etienne, F.; Papalexiou, S.; Payre, P.; Pietrzyk, B.; Qian, Z.; Rousseau, D.; Schwemling, Ph.; Talby, M.; Adlung, S.; Becker, H.; Blum, W.; Brown, D. N.; Cattaneo, P. W.; Cowan, G.; Dehning, B.; Dietl, H.; Dydak, F.; Fernández-Bosman, M.; Hansl‐Kozanecka, T.; Jahn, A.; Kozanecki, W.; Lange, E.; Lauber, J.; Lütjens, G.; Lütz, G.; Männer, W.; Richter, R.; Schröder, J.; Schwarz, A. S.; Settles, R.; Stierlin, U.; Denis, R. St.; Takashima, M.; Thomas, J. P.; Wolf, G.; Bertín, V.; Boucrot, J.; Callot, O.; Chen, X.; Cordier, A.; Davier, M.; Grivaz, J.-F.; Gros, M. H.; Heusse, P.; Janot, P.; Kim, D. W.; Diberder, F. Le; Lefrançois, J.; Lutz, A. M.; Veillet, J. J.; Videau, I.; Zhang, Z.; Zomer, F.; Abbaneo, D.; Amendolia, S. R.; Bagliesi, G.; Batignani, G.; Bosisio, L.; Bottigli, U.; Bradaschia, C.; Carpinelli, M.; Ciocci, M. A.; Dell’Orso, R.; Ferrante, I.; Fidecaro, F.; Foà, L.; Focardi, E.; Forti, F.; Gatto, C.; Giassi, A.; Giorgi, M. A.; Ligabue, F.; Mannelli, E. B.; Marrocchesi, P. S.; Messineo, A.; Palla, F.; Sanguinetti, G.; Steinberger, J.; Тенчини, Р.; Tonelli, G.; Triggiani, G.; Vannini, C.; Venturi, A.; Verdini, P. G.; Walsh, J.; Carter, J. M.; Green, M. G.; March, P.V.; Medcalf, T.; Quazi, I. S.; Strong, J. A.; West, L.R.; Wildish, T.; Botterill, D.; Clifft, R. W.; Edgecock, R.; Edwards, M.; Fisher, S. M.; Jones, T. J.; Norton, P. R.; Salmon, D. P.; Thompson, J.C.; Bloch-Devaux, B.; Colas, P.; Locci, E.; Loucatos, S.; Monnier, E.; Pérez, P.; Perlas, J. A.; Perrier, Frédéric; Rander, J.; Renardy, J. F.; Roussarie, A.; Schuller, J. P.; Schwindling, J.; Vallage, B.; Ashman, J. G.; Booth, C. N.; Buttar, C. M.; Carney, R.; Cartwright, S. L.; Combley, F.; Doḡru, M.; Hatfield, F.; Martin, J. P.; Parker, D.; Reeves, P.; Thompson, L.F.; Barberio, E.; Brandt, Siegmund; Grupen, C.; Meinhard, H.; Mirabito, L.; Schäfer, U.; Seywerd, H.; Ganis, G.; Giannini, G.; Gobbo, B.; Ragusa, F.; Stiegler, U.; Bellantoni, L.; Cinabro, D.; Conway, J.; Cowen, D. F.; Feng, Z.; Ferguson, D.P.S.; Gao, Y. S.; Grahl, J.; Harton, J. L.; Jared, R. C.; Johnson, R.P.; Leclaire, B. W.; Lishka, C.; Pan, Y.; Pater, J. R.; Saadi, Y.; Sharma, V.; Shi, Z. H.; Tang, Yangyang; Walsh, A. M.; Wear, J.; Weber, F. V.; Whitney, Milton; Sau, Lan. Wu; Zobernig, G.

doi:10.1016/0370-2693(91)90575-b

Cited by 80 publications

(33 citation statements)

References 30 publications

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“…from the charged particle multiplicity distribution. Based on rather general assumptions one expects from a cascading model that its shape should be described by a log-normal distribution [198,199], which is in good agreement with the experimental ndings [193,195]. Another piece of evidence comes from the study of intermittency, i.e.…”

Section: Charged Particle Multiplicitiessupporting

confidence: 70%

QCD results from the study of hadronicZ-decays

Schmelling

1995

Phys. Scr.

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The high statistics data collected from hadronic Z-decays have lead to remarkable progress in the understanding of the dynamics of strong interactions. In addition to precision measurements of the strong coupling constant, the colour factors dening the gauge structure of QCD were determined with large accuracy. They are found to agree with the expectation for an unbroken SU(3) symmetry, t h us establishing unambigously the non-abelian nature of QCD. Higher order eects in many cases are known to next-to-leading logarithmic precision. Coherence eects as predicted in the framework of the modied leading-log approximation and local parton-hadron duality are experimentally well established. Studies of the hadronization process favour a chain-like production mechanism which bridges the gap between perturbative QCD as described by coherent parton shower models and the nal state hadrons. Submitted to Physica Scripta

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Section: Charged Particle Multiplicitiessupporting

confidence: 70%

QCD results from the study of hadronicZ-decays

Schmelling

1995

Phys. Scr.

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“…The data are found to be in reasonable agreement with the JETSET prediction, whereas the HERWIG model exhibits signi cant discrepancies. The results for the full rapidity window are also in good agreement with the previously published values [1].…”

Section: Model Independent Resultssupporting

confidence: 91%

“…The data in Tab. 1 superseed the previously published results [1]. For the restricted rapidity i n tervals even and odd multiplicities are found; for the full Y-interval because of charge conservation only even values are allowed.…”

Section: The Unfolding Proceduressupporting

confidence: 82%

“…Translating this to the number of charged tracks that should be visible, the systematic error on the mean charged particle multiplicity is 0.05 units. The e ect of the nite two-track resolution of the TPC was taken from the previous analysis [1], which estimated this contribution to the systematic error to be 0.04 tracks/event.…”

Section: Model Independent Resultsmentioning

confidence: 99%

“…A previous paper presented an analysis of the charged particle multiplicity distribution in hadronic Z decays [1]. In this paper the study is extended to restricted central rapidity i n tervals along the thrust axis.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals

Buskulic¹,

Casper²,

Bonis³

et al. 1995

Z. Phys. C - Particles and Fields

Self Cite

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Charged particle multiplicity distributions have been measured with the ALEPH detector in restricted rapidity i n tervals jY j 0 : 5 ; 1 : 0 ; 1 : 5 ; 2 : 0 along the thrust axis and also without restriction on rapidity. The distribution for the full range can be parametrized by a log-normal distribution. For smaller windows one nds a more complicated structure, which is understood to arise from perturbative e ects. The negative-binomial distribution fails to describe the data both with and without the restriction on rapidity. The JETSET model is found to describe all aspects of the data while the width predicted by HERWIG is in signi cant disagreement.

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Particle Detectors, Tracking

Acevski

Meyer

2003

Digital Encyclopedia of Applied Physics

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Measurement of the charged particle multiplicity distribution in hadronic Z decays

Cited by 80 publications

References 30 publications

QCD results from the study of hadronicZ-decays

QCD results from the study of hadronicZ-decays

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals

Particle Detectors, Tracking

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