Electric charge fluctuations in central Pb + Pb collisions at 20, 30, 40, 80 and 158 AGeV

Christopher Alt, Tome Antičić, B. Baatar, Daniel Barna, Jerzy Bartke, Matthias Behler, Latchezar Betev, Helena Białkowska, Anja Billmeier, Christoph Blume, Bożena Boimska, Michiel Botje, Juraj Bracinik, Roland Bramm, René Brun, Predrag Bunčić, Vladimír Cerny, Panagiotis Christakoglou, Ondrej Chvala, John G. Cramer, Péter Csató, Nikolay Darmenov, Anton Dimitrov, Peter Dinkelaker, Volker Eckardt, Peter Filip, Dominik Bernhard Flierl, Zoltán Fodor, Panagiota Foka, Peter Freund, Volker Friese, József Gál, Marek Gaździcki, George Georgopoulos, Ewa Gładysz-Dziaduś, Katarzyna Grebieszkow, Sándor Hegyi, Claudia Höhne, Krešo Kadija, Alexandre Karev, Michael Kliemant, Stefan Kniege, Vadim I. Kolesnikov, Thorsten Kollegger, Ewelina Kornas, Robert Korus, Marek Kowalski, Ingrid Kraus, Michal Kreps, Marco van Leeuwen, Péter Lévai, Leandr Litov, Benjamin Lungwitz, Martin Makariev, Aleksandr I. Malakhov, Christina Markert, Matej D. Mateev, Bill W. Mayes, Georgy L. Melkumov, Christine Meurer, André Mischke, Michael Kosta Mitrovski, József Molnár, Stanislaw Mrówczyński, Gabriella Pálla, Apostolos D. Panagiotou, Dobromir Panayotov, Athanasios Petridis, Miroslav Pikna, Lawrence Pinsky, Falk Pühlhofer, Jeffrey G. Reid, Rainer Arno Ernst Renfordt, Agnes Carol Joanna Richard, Christof Roland, Gunther Roland, Maciej Rybczyński, Andrzej Rybicki, Andres Sandoval, Hans Sann, Norbert Schmitz, Peter Seyboth, Ferenc Siklér, Branislav Sitar, Ewa Skrzypczak, Grzegorz Stefanek, Reinhard Stock, Herbert Ströbele, Tatjana Šuša, Imre Szentpétery, János Sziklai, Thomas A. Trainor, Dezsö Varga, Maria Vassiliou, Gábor I. Veres, György Vesztergombi, Danilo Vranić, Alexander Albert Wetzler, Zbigniew Włodarczyk, In-Kwon Yoo, Jacek Zaranek, József Zimányi

  • Results are presented on event-by-event electric charge fluctuations in central Pb+Pb collisions at 20, 30, 40, 80 and 158 AGeV. The observed fluctuations are close to those expected for a gas of pions correlated by global charge conservation only. These fluctuations are considerably larger than those calculated for an ideal gas of deconfined quarks and gluons. The present measurements do not necessarily exclude reduced fluctuations from a quark-gluon plasma because these might be masked by contributions from resonance decays.

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Author:Christopher Alt, Tome AntičićORCiD, B. Baatar, Daniel BarnaORCiD, Jerzy BartkeGND, Matthias BehlerGND, Latchezar BetevORCiDGND, Helena BiałkowskaORCiD, Anja BillmeierGND, Christoph BlumeORCiDGND, Bożena BoimskaORCiD, Michiel BotjeORCiD, Juraj BracinikORCiD, Roland BrammGND, René BrunGND, Predrag Bunčić, Vladimír Cerny, Panagiotis ChristakoglouORCiD, Ondrej ChvalaORCiD, John G. CramerGND, Péter Csató, Nikolay Darmenov, Anton Dimitrov, Peter DinkelakerGND, Volker Eckardt, Peter FilipORCiD, Dominik Bernhard FlierlGND, Zoltán FodorGND, Panagiota FokaORCiD, Peter Freund, Volker FrieseORCiDGND, József Gál, Marek GaździckiORCiD, George Georgopoulos, Ewa Gładysz-DziaduśORCiD, Katarzyna GrebieszkowORCiD, Sándor Hegyi, Claudia HöhneGND, Krešo Kadija, Alexandre Karev, Michael KliemantGND, Stefan KniegeGND, Vadim I. KolesnikovORCiD, Thorsten KolleggerORCiDGND, Ewelina Kornas, Robert Korus, Marek Kowalski, Ingrid KrausGND, Michal KrepsORCiD, Marco van LeeuwenORCiDGND, Péter LévaiGND, Leandr LitovORCiD, Benjamin LungwitzGND, Martin MakarievORCiD, Aleksandr I. MalakhovGND, Christina MarkertORCiDGND, Matej D. MateevGND, Bill W. Mayes, Georgy L. Melkumov, Christine MeurerGND, André MischkeORCiD, Michael Kosta MitrovskiGND, József Molnár, Stanislaw MrówczyńskiORCiD, Gabriella Pálla, Apostolos D. Panagiotou, Dobromir PanayotovORCiD, Athanasios PetridisORCiD, Miroslav Pikna, Lawrence PinskyORCiD, Falk PühlhoferGND, Jeffrey G. Reid, Rainer Arno Ernst Renfordt, Agnes Carol Joanna Richard, Christof RolandORCiDGND, Gunther RolandGND, Maciej RybczyńskiORCiD, Andrzej RybickiORCiD, Andres SandovalORCiD, Hans Sann, Norbert SchmitzGND, Peter SeybothORCiDGND, Ferenc SiklérORCiD, Branislav Sitar, Ewa Skrzypczak, Grzegorz StefanekORCiD, Reinhard StockGND, Herbert Ströbele, Tatjana ŠušaORCiD, Imre Szentpétery, János SziklaiORCiD, Thomas A. TrainorORCiD, Dezsö VargaORCiDGND, Maria VassiliouORCiD, Gábor I. VeresORCiD, György Vesztergombi, Danilo VranićGND, Alexander Albert WetzlerGND, Zbigniew WłodarczykORCiD, In-Kwon YooORCiDGND, Jacek ZaranekGND, József Zimányi
URN:urn:nbn:de:hebis:30-16207
DOI:https://doi.org/10.48550/arXiv.nucl-ex/0406013
ArXiv Id:http://arxiv.org/abs/nucl-ex/0406013
Parent Title (German):Preprint, später in Physical review C 70.2004, 064903
Document Type:Preprint
Language:English
Date of Publication (online):2004/06/11
Date of first Publication:2004/06/11
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:NA49 Collaboration
Release Date:2005/09/26
Tag:Charge fluctuations; QGP; Relativistic heavy-ion collisions
Page Number:20
Note:
Preprint, später in Physical review C 70.2004, 064903
HeBIS-PPN:190343494
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht