Local multiplicity fluctuations in hadronic Z decay

Acciarri, M.; Адриани, О.; Aguilar-Benı́tez, M.; Ahlen, S. P.; Alcaraz, J.; Alemanni, G.; Allaby, J.; Aloisio, A.; Alviggi, M. G.; Ambrosi, G.; Anderhub, H.; Andreev, V.; Angelescu, T.; Anselmo, F.; Arefiev, A.; Azemoon, T.; Aziz, T.; Bagnaia, P.; Baksay, L.; Ball, R. C.; Banerjee, S.; Banicz, K.; Barczyk, A.; Barillère, R.; Barone, L.; Bartalini, P.; Basçhirotto, 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.; Bobbink, G. J.; Böck, R.; Böhm, A.; Boldizsár, L.; Borgia, B.; Bourilkov, D.; Bourquin, M.; Boutigny, D.; Braccini, S.; Branson, J. G.; Brigljević, V.; Brock, I. C.; Buffini, A.; Buijs, A.; Burger, J. D.; Burger, W. J.; Busenitz, J.; Cai, X.; Campanelli, M.; Capell, M.; Romeo, Giovanni; Carlino, G.; Cartacci, A. M.; Casaus, J.; Castellini, G.; Cavallari, F.; Cavallo, N.; Cecchi, C.; Cerrada, M.; Cesaroni, F.; Chamizo, M.; Chang, Yu-Hsiang; Chaturvedi, U. K.; Chekanov, S.; 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.; Costantini, S.; Cotorobai, F.; Cruz, B. De La; Csilling, Á.; Dai, T.; D’Alessandro, R.; Asmundis, R. de; Degré, A.; Deiters, K.; Denes, P.; DeNotaristefani, F.; DiBitonto, D.; Diemoz, M.; Dierendonck, D. van; Lodovico, F. Di; Dionisi, C.; Dittmar, M.; Dominguez, A.; Doria, A.; Dova, M. T.; Drago, E.; Duchesneau, D.; Duinker, P.; Durán, I.; Dutta, S.; Easo, S.; Efremenko, Y. V.; Mamouni, H. El; Engler, A.; Eppling, F. J.; Erné, F.C.; Ernenwein, J.-P.; Extermann, P.; Fabre, Michel; Faccini, R.; Falciano, S.; Favara, A.; Fay, J.; Fedin, O. L.; Felcini, M.; Fenyi, B.; Ferguson, T.; Ferroni, F.; Fesefeldt, H.; Fiandrini, E.; Field, J. H.; Filthaut, F.; Fisher, P. H.; Fisk, I.; Forconì, G.; Fredj, L.; Freudenreich, K.; Furetta, C.; Galaktionov, Yu.; Ganguli, S.N.; Garcı́a-Abia, P.; 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.; Haas, D.; Hartmann, B.; Hasan, A.; Hatzifotiadou, D.; Hebbeker, T.; Hervé, A.; Hirschfelder, J.; Hoek, W. C. van; Hofer, H.; Hong, S. J.; Hoorani, H. R.; Hou, S.; Hu, G.; Innocente, V.; Jenkes, K.; Jin, B. N.; Jones, L. W.; Jong, P. de; Josa-Mutuberria, I.; Kasser, A.; Khan, R. A.; Kamrad, D.; Kamyshkov, Yu.; Kapustinsky, J.; 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.; König, A. C.; Kopp, A. K.; Korolko, I.; Koutsenko, V.; Kraemer, R.W.; Krenz, W.; Kunin, A.; Lacentre, P.; Guevara, P. Ladrón de; Landi, G.; Lapoint, C.; Lassila-Perini, K.; Laurikainen, P.; Lavorato, A.; Lebeau, M.; Lebedev, A.; Lebrun, P.; Lecomte, P.; Lecoq, P.; Coultre, P. Le; Lee, H. J.; Leggett, C.; Goff, J. M. Le; Leiste, R.; Leonardi, Emanuele; Levtchenko, P.; Lin, W.; Linde, F.L.; Lista, L.; Liu, Z. A.; Lohmann, W.; Longo, E.; Lu, W.; Lu, Y. S.; Lübelsmeyer, K.; Luci, C.; Luckey, D.; Luminari, L.; Lustermann, W.; G., W.; Maity, M.; Majumder, G.; Malgeri, L.; Малинин, А.; Mañá, C.; Mangeol, D.; Mangla, Sachin Kumar; Marchesini, P.; Marín, A.; Martin, J. P.; Marzano, F.; Massaro, G.; McNally, D.; Mele, S.; Merola, L.; Meschini, M.; Metzger, W. J.; Mey, M. von der; Mei, Yong; Mil, A. J.W. van; Milcent, H.; Mirabelli, G.; Mnich, J.; Molnár, Péter; Monteleoni, B.; Moore, R. W.; Morganti, S.; Moulik, T.; Mount, R.; Muheim, F.; Muijs, A. J.M.; Nahn, S.; Napolitano, M.; Nessi‐Tedaldi, F.; Newman, H. B.; Nießen, T.; Nippe, A.; Nisati, A.; Nowak, H.; Oh, Y. D.; Opitz, Herwart; Organtini, G.; Ostonen, R.; Palit, Santi R.; Palomares, C.; Pandoulas, D.; Paoletti, S.; Paolucci, P.; Park, H. K.; Park, I. H.; Pascale, Gennaro De; Passaleva, G.; Patricelli, S.; Paul, T.; Pauluzzi, M.; Paus, C.; Pauß, F.; Peach, D.; Pei, Y. J.; Pensotti, S.; Perret-Gallix, D.; Petersen, B. A.; Petrak, S.; Pevsner, A.; Piccolo, D.; Pieri, M.; Piroué, P.; 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. A.; Read, K. F.; Ren, D.; Rescigno, M.; Reucroft, S.; Rhee, T. van; Riemann, S.; Riles, K.; Rind, O.; Robohm, A.; Rodin, J.; Roe, B. P.; Romero, L.; Rosier‐Lees, S.; Rosselet, Ph.; Rossum, W. van; Roth, Stefan; Rubio, J. A.; Ruschmeier, D.; Rykaczewski, H.; Salicio, J.; Sánchez, E.; Sanders, M.P.; Sarakinos, M. E.; Sarkar, S.; Sauvage, G.; Schäfer, C.; Schegelsky, V. A.; 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.; Son, D.; Soulimov, V.; Smith, Bryan; Спиллантини, П.; Steuer, M.; Stickland, D.; Stone, Howard A.; Stoyanov, B.; Straessner, A.; Sudhakar, K.; Sultanov, G.; Suter, H.; Swain, J.; Tang, X. W.; Tauscher, L.; Taylor, L.; Samuel, C C Ting; Ting, A.; Ting, S. M.; Tonwar, S. C.; Töth, 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.; Völkert, 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.; Wu, S. X.; Wynhoff, S.; Xu, J.; Yang, C.; Yao, Xiaojun; 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.

doi:10.1016/s0370-2693(98)00438-9

Cited by 4 publications

(2 citation statements)

References 36 publications

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“…This is in contrast to nucleus collisions where it has not yet proved possible to observe correlations for groups of more than two particles. The fractal nature of the particle distributions in e + e − events has been also demonstrated [209] using the socalled bunching parameters [210,211].…”

Section: Multiplicity Of Three-jet Eventsmentioning

confidence: 94%

Hadron multiplicities

2001

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We review results on hadron multiplicities in high energy particle collisions. Both theory and experiment are discussed. The general procedures used to describe particle multiplicity in Quantum Chromodynamics (QCD) are summarized. The QCD equations for the generating functions of the multiplicity distributions are presented both for fixed and running coupling strengths. The mean multiplicities of gluon and quark jets, their ratio, higher moments, and the slopes of multiplicities as a function of energy scale, are among the main global features of multiplicity for which QCD results exist. Recent data from high energy e + e − experiments, including results for separated quark and gluon jets, allow rather direct tests of these results. The theoretical predictions are generally quite successful when confronted with data. Jet and subjet multiplicities are described. Multiplicity in limited regions of phase space is discussed in the context of intermittency and fractality. The problem of singularities in the generating functions is formulated. Some special features of average multiplicities in heavy quark jets are described.

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Section: Multiplicity Of Three-jet Eventsmentioning

confidence: 94%

Hadron multiplicities

2001

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“…Such a correlation between space-time and momentum-energy is also a feature of the Lund string model, which, as incorporated in JETSET, is very successful in describing detailed features of the hadronic final states of e + e − annihilation. Not only inclusive single-particle distributions and event shapes, but also correlations [64][65][66] are well described.…”

Section: Time Dependence Of the Sourcementioning

confidence: 98%

Test of the τ-model of Bose–Einstein correlations and reconstruction of the source function in hadronic Z-boson decay at LEP

Achard¹,

Adriani²,

Aguilar-Benı́tez³

et al. 2011

Eur. Phys. J. C

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Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a Lévy stable distribution in conjunction with a model where a particle's momentum is correlated with its space-time point of production, the τ -model. Using this description and the measured rapidity and transverse momentum distributions, the space-time evolution of particle emission in two-jet events is reconstructed. However, the elongation of the particle emission region previously observed is not accommodated in the τ -model, and this is investigated using an ad hoc modification.

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Suppression of multi-gluon fluctuations in jets at a linear collider

Chekanov

2001

Physics Letters B

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It was shown that at typical energies and luminosities of an e + e − linear collider one can observe a significant suppression of fluctuations of the number of gluons in small angular regions. This property of jets is expected in e + e − annihilation as well as in any collision producing high energy quarks which give rise to the QCD gluon cascade. The reduction of multiplicity fluctuations was obtained from perturbative QCD using bunching parameters and then cross checked with a Monte Carlo simulation. The parton-level Monte Carlo simulation confirms the prediction, while the hadron level illustrates that the effect survives the hadronization process.

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Local multiplicity fluctuations in hadronic Z decay

Cited by 4 publications

References 36 publications

Hadron multiplicities

Hadron multiplicities

Test of the τ-model of Bose–Einstein correlations and reconstruction of the source function in hadronic Z-boson decay at LEP

Suppression of multi-gluon fluctuations in jets at a linear collider

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