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Event-by-event fluctuations of the kaon to pion ratio in central Pb+Pb collisions at 158 GeV per Nucleon

Sergey V. Afanasiev, Tome Antičić, Joachim Bächler, Daniel Barna, Lee Stuart Barnby, Jerzy Bartke, Robert Allan Barton, Latchezar Betev, Helena Białkowska, Anja Billmeier, Christoph Blume, Charles O. Blyth, Bożena Boimska, Michiel Botje, Juraj Bracinik, Franklin Paul Brady, Roland Bramm, René Brun, Predrag Bunčić, Lincoln D. Carr, Daniel A. Cebra, Glenn E. Cooper, John G. Cramer, Péter Csató, Volker Eckardt, Frank Eckhardt, Daniel Ferenc, Peter Filip, Hans Gerhard Fischer, Zoltán Fodor, Panagiota Foka, Peter Freund, Volker Friese, Jan Ftacnik, József Gál, Marek Gaździcki, George Georgopoulos, Ewa Gładysz-Dziaduś, John W. Harris, Sándor Hegyi, V. Hlinka, Claudia Höhne, George J. Igo, Marian Ivanov, Peter Martin Jacobs, Rudolf Janik, Peter Graham Jones, Krešo Kadija, Vadim I. Kolesnikov, Thorsten Kollegger, Marek Kowalski, Brian Lasiuk, Marco van Leeuwen, Péter Lévai, Aleksandr I. Malakhov, Spyridon Margetis, Christina Markert, Bill W. Mayes, Georgy L. Melkumov, André Mischke, József Molnár, John M. Nelson, Grazyna Janina Odyniec, Gabriella Pálla, Apostolos D. Panagiotou, Athanasios Petridis, Miroslav Pikna, Lawrence Pinsky, Arthur M. Poskanzer, Duncan J. Prindle, Falk Pühlhofer, Jeffrey G. Reid, Rainer Arno Ernst Renfordt, Waldemar Retyk, Hans Georg Ritter, Dieter Röhrich, Christof Roland, Gunther Roland, Andrzej Rybicki, Thomas Sammer, Andres Sandoval, Hans Sann, Erich Schäfer, Norbert Schmitz, Peter Seyboth, Ferenc Siklér, Branislav Sitar, Ewa Skrzypczak, Raimond Snellings, Gordon Thomas Anderson Squier, Reinhard Stock, Peter Strmen, Herbert Ströbele, Tatjana Šuša, Imrich Szarka, Imre Szentpétery, János Sziklai, Milton Y. Toy, Thomas A. Trainor, Stephen Trentalange, Thomas Ullrich, Dezsö Varga, Maria Vassiliou, Gábor I. Veres, György Vesztergombi, Sergei Voloshin, Danilo Vranić, Feipeng Wang, Dhammika D. Weerasundara, Siegfried Wenig, Alexander Albert Wetzler, Charles A. Whitten, Nu Xu, Tim A. Yates, In-Kwon Yoo, József Zimányi

  • We present the first measurement of fluctuations from event to event in the production of strange particles in collisions of heavy nuclei. The ratio of charged kaons to charged pions is determined for individual central Pb+Pb collisions. After accounting for the fluctuations due to detector resolution and finite number statistics we derive an upper limit on genuine non-statistical fluctuations, perhaps related to a first or second order QCD phase transition. Such fluctuations are shown to be very small.

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Author:Sergey V. AfanasievORCiDGND, Tome AntičićORCiD, Joachim Bächler, Daniel BarnaORCiD, Lee Stuart BarnbyORCiD, Jerzy BartkeGND, Robert Allan Barton, Latchezar BetevORCiDGND, Helena BiałkowskaORCiD, Anja BillmeierGND, Christoph BlumeORCiDGND, Charles O. Blyth, Bożena BoimskaORCiD, Michiel BotjeORCiD, Juraj BracinikORCiD, Franklin Paul Brady, Roland BrammGND, René BrunGND, Predrag Bunčić, Lincoln D. CarrORCiDGND, Daniel A. CebraORCiD, Glenn E. Cooper, John G. CramerGND, Péter Csató, Volker Eckardt, Frank Eckhardt, Daniel FerencORCiD, Peter FilipORCiD, Hans Gerhard Fischer, Zoltán FodorGND, Panagiota FokaORCiD, Peter Freund, Volker FrieseORCiDGND, Jan Ftacnik, József Gál, Marek GaździckiORCiDGND, George Georgopoulos, Ewa Gładysz-DziaduśORCiD, John W. HarrisORCiDGND, Sándor Hegyi, V. Hlinka, Claudia HöhneGND, George J. Igo, Marian IvanovORCiDGND, Peter Martin JacobsORCiD, Rudolf Janik, Peter Graham Jones, Krešo Kadija, Vadim I. KolesnikovORCiD, Thorsten KolleggerORCiDGND, Marek Kowalski, Brian Lasiuk, Marco van LeeuwenORCiDGND, Péter LévaiGND, Aleksandr I. MalakhovGND, Spyridon Margetis, Christina MarkertORCiDGND, Bill W. Mayes, Georgy L. Melkumov, André MischkeORCiD, József Molnár, John M. Nelson, Grazyna Janina Odyniec, Gabriella Pálla, Apostolos D. Panagiotou, Athanasios PetridisORCiD, Miroslav Pikna, Lawrence PinskyORCiD, Arthur M. PoskanzerORCiDGND, Duncan J. Prindle, Falk PühlhoferGND, Jeffrey G. Reid, Rainer Arno Ernst Renfordt, Waldemar Retyk, Hans Georg Ritter, Dieter RöhrichORCiD, Christof RolandORCiDGND, Gunther RolandGND, Andrzej RybickiORCiD, Thomas SammerGND, Andres SandovalORCiD, Hans Sann, Erich SchäferGND, Norbert SchmitzGND, Peter SeybothORCiDGND, Ferenc SiklérORCiD, Branislav Sitar, Ewa Skrzypczak, Raimond SnellingsORCiD, Gordon Thomas Anderson Squier, Reinhard StockGND, Peter Strmen, Herbert Ströbele, Tatjana ŠušaORCiD, Imrich Szarka, Imre Szentpétery, János SziklaiORCiD, Milton Y. Toy, Thomas A. TrainorORCiD, Stephen TrentalangeORCiD, Thomas UllrichORCiDGND, Dezsö VargaORCiDGND, Maria VassiliouORCiD, Gábor I. VeresORCiD, György Vesztergombi, Sergei VoloshinORCiDGND, Danilo VranićGND, Feipeng Wang, Dhammika D. Weerasundara, Siegfried WenigORCiD, Alexander Albert WetzlerGND, Charles A. Whitten, Nu Xu, Tim A. Yates, In-Kwon YooORCiDGND, József Zimányi
URN:urn:nbn:de:hebis:30-16791
DOI:https://doi.org/10.48550/arXiv.hep-ex/0009053
ArXiv Id:http://arxiv.org/abs/hep-ex/0009053
Document Type:Preprint
Language:English
Date of Publication (online):2000/09/25
Date of first Publication:2000/09/25
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:NA49 Collaboration
Release Date:2005/09/29
Page Number:4
Note:
Preprint, später in Physical review letters 86.1965, 10
Source:Phys.Rev.Lett. 86 (2001), http://arxiv.org/abs/hep-ex/0009053
HeBIS-PPN:185506933
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoDeutsches Urheberrecht