/ Experiment-Nucl arXiv:0805.2245

Energy dependence of fluctuations in central Pb+Pb collisions from NA49 at the CERN SPS

Rybczynski, M. (Jan Kochanowski U.) ; Alt, C. (Frankfurt U.) ; Anticic, T. (Boskovic Inst., Zagreb) ; Baatar, B. (Dubna, JINR) ; Barna, D. (Budapest, RMKI) ; Bartke, J. (Cracow, INP) ; Betev, L. (CERN) ; Bialkowska, H. (Warsaw, Inst. Nucl. Studies) ; Blume, C. (Frankfurt U.) ; Boimska, B. (Warsaw, Inst. Nucl. Studies) ; Botje, M. (NIKHEF, Amsterdam) ; Bracinik, J. (Comenius U.) ; Bramm, R. (Frankfurt U.) ; Buncic, P. (CERN) ; Cerny, V. (Comenius U.) ; Christakoglou, P. (Athens U.) ; Chung, P. (SUNY, Stony Brook, Chem. Dept.) ; Chvala, O. (Charles U.) ; Cramer, J.G. (CENPA, Seattle) ; Csato, P. (Budapest, RMKI) ; Dinkelaker, P. (Frankfurt U.) ; Eckardt, V. (Munich, Max Planck Inst.) ; Flierl, D. (Frankfurt U.) ; Fodor, Z. (Budapest, RMKI) ; Foka, P. (Darmstadt, GSI) ; Friese, V. (Darmstadt, GSI) ; Gal, J. (Budapest, RMKI) ; Gazdzicki, M. (Jan Kochanowski U.) ; Genchev, V. (Sofiya, Inst. Nucl. Res.) ; Gladysz, E. (Cracow, INP) ; Grebieszkow, K. (Warsaw U. of Tech.) ; Hegyi, S. (Budapest, RMKI) ; Hohne, C. (Darmstadt, GSI) ; Kadija, K. (Boskovic Inst., Zagreb) ; Karev, A. (Munich, Max Planck Inst.) ; Kikola, D. (Warsaw U. of Tech.) ; Kliemant, M. (Frankfurt U.) ; Kniege, S. (Frankfurt U.) ; Kolesnikov, V.I. (Dubna, JINR) ; Kornas, E. (Cracow, INP) ; Kowalski, M. (Cracow, INP) ; Kraus, I. (Darmstadt, GSI) ; Kreps, M. (Comenius U.) ; Laszlo, A. (Budapest, RMKI) ; Lacey, R. (SUNY, Stony Brook, Chem. Dept.) ; van Leeuwen, M. (NIKHEF, Amsterdam) ; Levai, P. (Budapest, RMKI) ; Litov, L. (Sofiya U.) ; Lungwitz, B. (Frankfurt U.) ; Makariev, M. (Sofiya U.) ; Malakhov, A.I. (Dubna, JINR) ; Mateev, M. (Sofiya U.) ; Melkumov, G.L. (Dubna, JINR) ; Mischke, A. (NIKHEF, Amsterdam) ; Mitrovski, M. (Frankfurt U.) ; Molnar, J. (Budapest, RMKI) ; Mrowczynski, St. (Jan Kochanowski U.) ; Nicolic, V. (Boskovic Inst., Zagreb) ; Palla, G. (Budapest, RMKI) ; Panagiotou, A.D. (Athens U.) ; Panayotov, D. (Sofiya U.) ; Petridis, A. (Athens U.) ; Peryt, W. (Warsaw U. of Tech.) ; Pikna, M. (Comenius U.) ; Pluta, J. (Warsaw U. of Tech.) ; Prindle, D. (CENPA, Seattle) ; Puhlhofer, F. (Marburg U., ITP) ; Renfordt, R. (Frankfurt U.) ; Roland, C. (MIT) ; Roland, G. (MIT) ; Rybicki, A. (Cracow, INP) ; Sandoval, A. (Darmstadt, GSI) ; Schmitz, N. (Munich, Max Planck Inst.) ; Schuster, T. (Frankfurt U.) ; Seyboth, P. (Munich, Max Planck Inst.) ; Sikler, F. (Budapest, RMKI) ; Sitar, B. (Comenius U.) ; Skrzypczak, E. (Warsaw U.) ; Slodkowski, M. (Warsaw U. of Tech.) ; Stefanek, G. (Jan Kochanowski U.) ; Stock, R. (Frankfurt U.) ; Strabel, C. (Frankfurt U.) ; Strobele, H. (Frankfurt U.) ; Susa, T. (Boskovic Inst., Zagreb) ; Szentpetery, I. (Budapest, RMKI) ; Sziklai, J. (Budapest, RMKI) ; Szuba, M. (Warsaw U. of Tech.) ; Szymanski, P. (Warsaw, Inst. Nucl. Studies) ; Trubnikov, V. (Warsaw, Inst. Nucl. Studies) ; Utvic, M. (Frankfurt U.) ; Varga, D. (CERN) ; Vassiliou, M. (Athens U.) ; Veres, G.I. (MIT) ; Vesztergombi, G. (Budapest, RMKI) ; Vranic, D. (Darmstadt, GSI) ; Wetzler, A. (Frankfurt U.) ; Wlodarczyk, Z. (Jan Kochanowski U.) ; Wojtaszek, A. (Jan Kochanowski U.) ; Yoo, I.K. (Pusan Natl. U.) ; Zimanyi, J. (Budapest, RMKI)

Published in: J.Phys.G
Year: 2008
Vol.: G35
Page No: 104091
Pages: 5

Abstract: The latest NA49 results on fluctuations of multiplicity and average transverse-momentum analyzed on an event-by-event basis are presented for central Pb+Pb interactions over the whole SPS energy range (20A - 158A GeV). The scaled variance of the multiplicity distribution decreases with collision energy whereas the $\Phi_{p_{T}}$ measure of $<p_T>$ fluctuations is small and independent of collision energy. Thus in central Pb+Pb collisions these fluctuations do not show an indication of the critical point of strongly interacting matter.

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