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Energy dependence of multiplicity fluctuations in heavy ion collisions

Christopher Alt, Tome Antičić, B. Baatar, Daniel Barna, Jerzy Bartke, Latchezar Betev, Helena Białkowska, Christoph Blume, Bożena Boimska, Michiel Botje, J. Bracinik, Roland Bramm, Vladimír Černý, Panagiotis Christakoglou, P. Chung, Ondrej Chvala, John G. Cramer, Péter Csató, Peter Dinkelaker, V. Eckard, Dominik Bernhard Flierl, Zoltán Fodor, Panagiota Foka, Volker Friese, József Gál, Marek Gaździcki, Vladimir Genchev, George Georgopoulos, Ewa Gładysz-Dziaduś, Katarzyna Grebieszkow, Sándor Hegyi, Claudia Höhne, Krešo Kadija, A. Karev, D. Kikola, Michael Kliemant, Stefan Kniege, Vadim I. Kolesnikov, Ewelina Kornaś, Robert Korus, Marek Kowalski, Ingrid Kraus, Michal Kreps, A. Laszlo, R Lacey, Marco van Leeuwen, Péter Lévai, Leandr Litov, Benjamin Lungwitz, Martin Makariev, Aleksandr I. Malakhov, Matej D. Mateev, Georgy L. Melkumov, André Mischke, Michael Kosta Mitrovski, József Molnár, Stanislaw Mrówczynski, V. Nicolic, G. Nicolic, Apostolos D. Panagiotou, Dobromir Panayotov, Athanasios Petridis, Wiktor Stanislaw Peryt, Miroslav Pikna, Jan Marian Pluta, Duncan J. Prindle, Falk Pühlhofer, Rainer Arno Ernst Renfordt, Christof Roland, Gunther Roland, Maciej Rybczyński, Andrzej Rybicki, Andres Sandoval, N. Schmitz, Tim Schuster, Peter Seyboth, Ferenc Siklér, Branislav Sitar, Ewa Skrzypczak, M. Slodkowski, Grzegorz Stefanek, Reinhard Stock, Claudia Strabel, Herbert Ströbele, Tatjana Šuša, Imre Szentpétery, János Sziklai, M. Szuba, P. Szymanski, Victor Trubnikov, Dezsö Varga, Maria Vassiliou, Gábor I. Veres, György Vesztergombi, Danilo Vranić, Alexander Albert Wetzler, Zbigniew Włodarczyk, A. Wojtaszek, In-Kwon Yoo, József Zimányi

  • The energy dependence of multiplicity fluctuations was studied for the most central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV by the NA49 experiment at the CERN SPS. The multiplicity distribution for negatively and positively charged hadrons is significantly narrower than Poisson one for all energies. No significant structure in energy dependence of the scaled variance of multiplicity fluctuations is observed. The measured scaled variance is lower than the one predicted by the grand-canonical formulation of the hadron-resonance gas model. The results for scaled variance are in approximate agreement with the string-hadronic model UrQMD.

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Author:Christopher Alt, Tome AntičićORCiD, B. Baatar, Daniel BarnaORCiD, Jerzy BartkeGND, Latchezar BetevORCiDGND, Helena BiałkowskaORCiD, Christoph BlumeORCiDGND, Bożena BoimskaORCiD, Michiel BotjeORCiD, J. Bracinik, Roland BrammGND, Vladimír Černý, Panagiotis ChristakoglouORCiD, P. Chung, Ondrej ChvalaORCiD, John G. CramerGND, Péter Csató, Peter DinkelakerGND, V. Eckard, Dominik Bernhard FlierlGND, Zoltán FodorGND, Panagiota FokaORCiD, Volker FrieseORCiDGND, József Gál, Marek GaździckiORCiDGND, Vladimir GenchevGND, George Georgopoulos, Ewa Gładysz-DziaduśORCiD, Katarzyna GrebieszkowORCiD, Sándor Hegyi, Claudia HöhneGND, Krešo Kadija, A. Karev, D. Kikola, Michael KliemantGND, Stefan KniegeGND, Vadim I. KolesnikovORCiD, Ewelina Kornaś, Robert Korus, Marek Kowalski, Ingrid KrausGND, Michal KrepsORCiD, A. Laszlo, R Lacey, Marco van LeeuwenORCiDGND, Péter LévaiGND, Leandr LitovORCiD, Benjamin LungwitzGND, Martin MakarievORCiD, Aleksandr I. MalakhovGND, Matej D. MateevGND, Georgy L. Melkumov, André MischkeORCiD, Michael Kosta MitrovskiGND, József Molnár, Stanislaw MrówczynskiORCiD, V. Nicolic, G. Nicolic, Apostolos D. Panagiotou, Dobromir PanayotovORCiD, Athanasios PetridisORCiD, Wiktor Stanislaw Peryt, Miroslav PiknaORCiD, Jan Marian Pluta, Duncan J. Prindle, Falk PühlhoferGND, Rainer Arno Ernst Renfordt, Christof RolandORCiDGND, Gunther RolandGND, Maciej RybczyńskiORCiD, Andrzej RybickiORCiD, Andres SandovalORCiD, N. Schmitz, Tim SchusterORCiDGND, Peter SeybothORCiDGND, Ferenc SiklérORCiD, Branislav Sitar, Ewa Skrzypczak, M. Slodkowski, Grzegorz StefanekORCiD, Reinhard StockGND, Claudia Strabel, Herbert Ströbele, Tatjana ŠušaORCiD, Imre Szentpétery, János SziklaiORCiD, M. Szuba, P. Szymanski, Victor Trubnikov, Dezsö VargaORCiDGND, Maria VassiliouORCiD, Gábor I. VeresORCiD, György Vesztergombi, Danilo VranićGND, Alexander Albert WetzlerGND, Zbigniew WłodarczykORCiD, A. Wojtaszek, In-Kwon YooORCiDGND, József Zimányi
URN:urn:nbn:de:hebis:30-45383
ArXiv Id:http://arxiv.org/abs/nucl-ex/0610046v3
Parent Title (German):Proceedings of Science
Document Type:Article
Language:English
Date of Publication (online):2007/06/14
Year of first Publication:2006
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Contributing Corporation:Correlations and Fluctuations in Relativistic Nuclear Collisions July 7-9 2006 Florence, Italy
Release Date:2007/06/14
Volume:2006
Source:Correlations and Fluctuations in Relativistic Nuclear Collisions, July 7 - 9 2006, Florence, Italy. - arXiv:nucl-ex/0610046v3
HeBIS-PPN:188847820
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0