Energy dependence of multiplicity fluctuations in heavy ion collisions at 20A to 158A GeV

C. Alt, T. Anticic, B. Baatar, D. Barna, J. Bartke, L. Betev, H. Białkowska, C. Blume, B. Boimska, M. Botje, J. Bracinik, R. Bramm, P. Bunčić, V. Cerny, P. Christakoglou, P. Chung, O. Chvala, J. G. Cramer, P. Csató, P. DinkelakerV. Eckardt, D. Flierl, Z. Fodor, P. Foka, V. Friese, J. Gál, M. Gaádzicki, V. Genchev, G. Georgopoulos, E. Gładysz, K. Grebieszkow, S. Hegyi, C. Höhne, K. Kadija, A. Karev, D. Kikola, M. Kliemant, S. Kniege, V. I. Kolesnikov, E. Kornas, R. Korus, M. Kowalski, I. Kraus, M. Kreps, A. László, R. Lacey, M. Can Leeuwen, P. Lévai, L. Litov, B. Lungwitz, M. Makariev, A. I. Malakhov, M. Mateev, G. L. Melkumov, A. Mischke, M. Mitrovski, J. Molnár, St Mrówczyński, V. Nicolic, G. Pálla, A. D. Panagiotou, D. Panayotov, A. Petridis, W. Peryt, M. Pikna, J. Pluta, D. Prindle, F. Pühlhofer, R. Renfordt, C. Roland, G. Roland, M. Rybczyński, A. Rybicki, A. Sandoval, N. Schmitz, T. Schuster, P. Seyboth, F. Siklér, B. Sitar, E. Skrzypczak, M. Slodkowski, G. Stefanek, R. Stock, C. Strabel, H. Ströbele, T. Susa, I. Szentpétery, J. Sziklai, M. Szuba, P. Szymanski, V. Trubnikov, M. Utvic, D. Varga, M. Vassiliou, G. I. Veres, G. Vesztergombi, D. Vranić, A. Wetzler, Z. Włodarczyk, A. Wojtaszek, I. K. Yoo, J. Zimányi

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

Multiplicity fluctuations of positively, negatively, and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A,30A,40A,80A, and 158A GeV. The multiplicity distributions and their scaled variances ω are presented as functions of their dependence on collision energy as well as on rapidity and transverse momentum. The distributions have bell-like shapes and their scaled variances are in the range from 0.8 to 1.2 without any significant structure in their energy dependence. No indication of the critical point in fluctuations are observed. The string-hadronic ultrarelativistic quantum molecular dynamics (UrQMD) model significantly overpredicts the mean, but it approximately reproduces the scaled variance of the multiplicity distributions. The predictions of the statistical hadron-resonance gas model obtained within the grand-canonical and canonical ensembles disagree with the measured scaled variances. The narrower than Poissonian multiplicity fluctuations measured in numerous cases may be explained by the impact of conservation laws on fluctuations in relativistic systems.

Original languageEnglish
Article number034914
JournalPhysical Review C - Nuclear Physics
Volume78
Issue number3
DOIs
Publication statusPublished - Sep 26 2008

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ionic collisions
collisions
energy
hemispheres
conservation laws
bells
transverse momentum
dynamic models
hadrons
critical point
indication
strings
molecular dynamics
momentum
predictions
gases

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Energy dependence of multiplicity fluctuations in heavy ion collisions at 20A to 158A GeV. / Alt, C.; Anticic, T.; Baatar, B.; Barna, D.; Bartke, J.; Betev, L.; Białkowska, H.; Blume, C.; Boimska, B.; Botje, M.; Bracinik, J.; Bramm, R.; Bunčić, P.; Cerny, V.; Christakoglou, P.; Chung, P.; Chvala, O.; Cramer, J. G.; Csató, P.; Dinkelaker, P.; Eckardt, V.; Flierl, D.; Fodor, Z.; Foka, P.; Friese, V.; Gál, J.; Gaádzicki, M.; Genchev, V.; Georgopoulos, G.; Gładysz, E.; Grebieszkow, K.; Hegyi, S.; Höhne, C.; Kadija, K.; Karev, A.; Kikola, D.; Kliemant, M.; Kniege, S.; Kolesnikov, V. I.; Kornas, E.; Korus, R.; Kowalski, M.; Kraus, I.; Kreps, M.; László, A.; Lacey, R.; Can Leeuwen, M.; Lévai, P.; Litov, L.; Lungwitz, B.; Makariev, M.; Malakhov, A. I.; Mateev, M.; Melkumov, G. L.; Mischke, A.; Mitrovski, M.; Molnár, J.; Mrówczyński, St; Nicolic, V.; Pálla, G.; Panagiotou, A. D.; Panayotov, D.; Petridis, A.; Peryt, W.; Pikna, M.; Pluta, J.; Prindle, D.; Pühlhofer, F.; Renfordt, R.; Roland, C.; Roland, G.; Rybczyński, M.; Rybicki, A.; Sandoval, A.; Schmitz, N.; Schuster, T.; Seyboth, P.; Siklér, F.; Sitar, B.; Skrzypczak, E.; Slodkowski, M.; Stefanek, G.; Stock, R.; Strabel, C.; Ströbele, H.; Susa, T.; Szentpétery, I.; Sziklai, J.; Szuba, M.; Szymanski, P.; Trubnikov, V.; Utvic, M.; Varga, D.; Vassiliou, M.; Veres, G. I.; Vesztergombi, G.; Vranić, D.; Wetzler, A.; Włodarczyk, Z.; Wojtaszek, A.; Yoo, I. K.; Zimányi, J.

In: Physical Review C - Nuclear Physics, Vol. 78, No. 3, 034914, 26.09.2008.

Research output: Contribution to journalArticle

Alt, C, Anticic, T, Baatar, B, Barna, D, Bartke, J, Betev, L, Białkowska, H, Blume, C, Boimska, B, Botje, M, Bracinik, J, Bramm, R, Bunčić, P, Cerny, V, Christakoglou, P, Chung, P, Chvala, O, Cramer, JG, Csató, P, Dinkelaker, P, Eckardt, V, Flierl, D, Fodor, Z, Foka, P, Friese, V, Gál, J, Gaádzicki, M, Genchev, V, Georgopoulos, G, Gładysz, E, Grebieszkow, K, Hegyi, S, Höhne, C, Kadija, K, Karev, A, Kikola, D, Kliemant, M, Kniege, S, Kolesnikov, VI, Kornas, E, Korus, R, Kowalski, M, Kraus, I, Kreps, M, László, A, Lacey, R, Can Leeuwen, M, Lévai, P, Litov, L, Lungwitz, B, Makariev, M, Malakhov, AI, Mateev, M, Melkumov, GL, Mischke, A, Mitrovski, M, Molnár, J, Mrówczyński, S, Nicolic, V, Pálla, G, Panagiotou, AD, Panayotov, D, Petridis, A, Peryt, W, Pikna, M, Pluta, J, Prindle, D, Pühlhofer, F, Renfordt, R, Roland, C, Roland, G, Rybczyński, M, Rybicki, A, Sandoval, A, Schmitz, N, Schuster, T, Seyboth, P, Siklér, F, Sitar, B, Skrzypczak, E, Slodkowski, M, Stefanek, G, Stock, R, Strabel, C, Ströbele, H, Susa, T, Szentpétery, I, Sziklai, J, Szuba, M, Szymanski, P, Trubnikov, V, Utvic, M, Varga, D, Vassiliou, M, Veres, GI, Vesztergombi, G, Vranić, D, Wetzler, A, Włodarczyk, Z, Wojtaszek, A, Yoo, IK & Zimányi, J 2008, 'Energy dependence of multiplicity fluctuations in heavy ion collisions at 20A to 158A GeV', Physical Review C - Nuclear Physics, vol. 78, no. 3, 034914. https://doi.org/10.1103/PhysRevC.78.034914
Alt, C. ; Anticic, T. ; Baatar, B. ; Barna, D. ; Bartke, J. ; Betev, L. ; Białkowska, H. ; Blume, C. ; Boimska, B. ; Botje, M. ; Bracinik, J. ; Bramm, R. ; Bunčić, P. ; Cerny, V. ; Christakoglou, P. ; Chung, P. ; Chvala, O. ; Cramer, J. G. ; Csató, P. ; Dinkelaker, P. ; Eckardt, V. ; Flierl, D. ; Fodor, Z. ; Foka, P. ; Friese, V. ; Gál, J. ; Gaádzicki, M. ; Genchev, V. ; Georgopoulos, G. ; Gładysz, E. ; Grebieszkow, K. ; Hegyi, S. ; Höhne, C. ; Kadija, K. ; Karev, A. ; Kikola, D. ; Kliemant, M. ; Kniege, S. ; Kolesnikov, V. I. ; Kornas, E. ; Korus, R. ; Kowalski, M. ; Kraus, I. ; Kreps, M. ; László, A. ; Lacey, R. ; Can Leeuwen, M. ; Lévai, P. ; Litov, L. ; Lungwitz, B. ; Makariev, M. ; Malakhov, A. I. ; Mateev, M. ; Melkumov, G. L. ; Mischke, A. ; Mitrovski, M. ; Molnár, J. ; Mrówczyński, St ; Nicolic, V. ; Pálla, G. ; Panagiotou, A. D. ; Panayotov, D. ; Petridis, A. ; Peryt, W. ; Pikna, M. ; Pluta, J. ; Prindle, D. ; Pühlhofer, F. ; Renfordt, R. ; Roland, C. ; Roland, G. ; Rybczyński, M. ; Rybicki, A. ; Sandoval, A. ; Schmitz, N. ; Schuster, T. ; Seyboth, P. ; Siklér, F. ; Sitar, B. ; Skrzypczak, E. ; Slodkowski, M. ; Stefanek, G. ; Stock, R. ; Strabel, C. ; Ströbele, H. ; Susa, T. ; Szentpétery, I. ; Sziklai, J. ; Szuba, M. ; Szymanski, P. ; Trubnikov, V. ; Utvic, M. ; Varga, D. ; Vassiliou, M. ; Veres, G. I. ; Vesztergombi, G. ; Vranić, D. ; Wetzler, A. ; Włodarczyk, Z. ; Wojtaszek, A. ; Yoo, I. K. ; Zimányi, J. / Energy dependence of multiplicity fluctuations in heavy ion collisions at 20A to 158A GeV. In: Physical Review C - Nuclear Physics. 2008 ; Vol. 78, No. 3.
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abstract = "Multiplicity fluctuations of positively, negatively, and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A,30A,40A,80A, and 158A GeV. The multiplicity distributions and their scaled variances ω are presented as functions of their dependence on collision energy as well as on rapidity and transverse momentum. The distributions have bell-like shapes and their scaled variances are in the range from 0.8 to 1.2 without any significant structure in their energy dependence. No indication of the critical point in fluctuations are observed. The string-hadronic ultrarelativistic quantum molecular dynamics (UrQMD) model significantly overpredicts the mean, but it approximately reproduces the scaled variance of the multiplicity distributions. The predictions of the statistical hadron-resonance gas model obtained within the grand-canonical and canonical ensembles disagree with the measured scaled variances. The narrower than Poissonian multiplicity fluctuations measured in numerous cases may be explained by the impact of conservation laws on fluctuations in relativistic systems.",
author = "C. Alt and T. Anticic and B. Baatar and D. Barna and J. Bartke and L. Betev and H. Białkowska and C. Blume and B. Boimska and M. Botje and J. Bracinik and R. Bramm and P. Bunčić and V. Cerny and P. Christakoglou and P. Chung and O. Chvala and Cramer, {J. G.} and P. Csat{\'o} and P. Dinkelaker and V. Eckardt and D. Flierl and Z. Fodor and P. Foka and V. Friese and J. G{\'a}l and M. Ga{\'a}dzicki and V. Genchev and G. Georgopoulos and E. Gładysz and K. Grebieszkow and S. Hegyi and C. H{\"o}hne and K. Kadija and A. Karev and D. Kikola and M. Kliemant and S. Kniege and Kolesnikov, {V. I.} and E. Kornas and R. Korus and M. Kowalski and I. Kraus and M. Kreps and A. L{\'a}szl{\'o} and R. Lacey and {Can Leeuwen}, M. and P. L{\'e}vai and L. Litov and B. Lungwitz and M. Makariev and Malakhov, {A. I.} and M. Mateev and Melkumov, {G. L.} and A. Mischke and M. Mitrovski and J. Moln{\'a}r and St Mr{\'o}wczyński and V. Nicolic and G. P{\'a}lla and Panagiotou, {A. D.} and D. Panayotov and A. Petridis and W. Peryt and M. Pikna and J. Pluta and D. Prindle and F. P{\"u}hlhofer and R. Renfordt and C. Roland and G. Roland and M. Rybczyński and A. Rybicki and A. Sandoval and N. Schmitz and T. Schuster and P. Seyboth and F. Sikl{\'e}r and B. Sitar and E. Skrzypczak and M. Slodkowski and G. Stefanek and R. Stock and C. Strabel and H. Str{\"o}bele and T. Susa and I. Szentp{\'e}tery and J. Sziklai and M. Szuba and P. Szymanski and V. Trubnikov and M. Utvic and D. Varga and M. Vassiliou and Veres, {G. I.} and G. Vesztergombi and D. Vranić and A. Wetzler and Z. Włodarczyk and A. Wojtaszek and Yoo, {I. K.} and J. Zim{\'a}nyi",
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TY - JOUR

T1 - Energy dependence of multiplicity fluctuations in heavy ion collisions at 20A to 158A GeV

AU - Alt, C.

AU - Anticic, T.

AU - Baatar, B.

AU - Barna, D.

AU - Bartke, J.

AU - Betev, L.

AU - Białkowska, H.

AU - Blume, C.

AU - Boimska, B.

AU - Botje, M.

AU - Bracinik, J.

AU - Bramm, R.

AU - Bunčić, P.

AU - Cerny, V.

AU - Christakoglou, P.

AU - Chung, P.

AU - Chvala, O.

AU - Cramer, J. G.

AU - Csató, P.

AU - Dinkelaker, P.

AU - Eckardt, V.

AU - Flierl, D.

AU - Fodor, Z.

AU - Foka, P.

AU - Friese, V.

AU - Gál, J.

AU - Gaádzicki, M.

AU - Genchev, V.

AU - Georgopoulos, G.

AU - Gładysz, E.

AU - Grebieszkow, K.

AU - Hegyi, S.

AU - Höhne, C.

AU - Kadija, K.

AU - Karev, A.

AU - Kikola, D.

AU - Kliemant, M.

AU - Kniege, S.

AU - Kolesnikov, V. I.

AU - Kornas, E.

AU - Korus, R.

AU - Kowalski, M.

AU - Kraus, I.

AU - Kreps, M.

AU - László, A.

AU - Lacey, R.

AU - Can Leeuwen, M.

AU - Lévai, P.

AU - Litov, L.

AU - Lungwitz, B.

AU - Makariev, M.

AU - Malakhov, A. I.

AU - Mateev, M.

AU - Melkumov, G. L.

AU - Mischke, A.

AU - Mitrovski, M.

AU - Molnár, J.

AU - Mrówczyński, St

AU - Nicolic, V.

AU - Pálla, G.

AU - Panagiotou, A. D.

AU - Panayotov, D.

AU - Petridis, A.

AU - Peryt, W.

AU - Pikna, M.

AU - Pluta, J.

AU - Prindle, D.

AU - Pühlhofer, F.

AU - Renfordt, R.

AU - Roland, C.

AU - Roland, G.

AU - Rybczyński, M.

AU - Rybicki, A.

AU - Sandoval, A.

AU - Schmitz, N.

AU - Schuster, T.

AU - Seyboth, P.

AU - Siklér, F.

AU - Sitar, B.

AU - Skrzypczak, E.

AU - Slodkowski, M.

AU - Stefanek, G.

AU - Stock, R.

AU - Strabel, C.

AU - Ströbele, H.

AU - Susa, T.

AU - Szentpétery, I.

AU - Sziklai, J.

AU - Szuba, M.

AU - Szymanski, P.

AU - Trubnikov, V.

AU - Utvic, M.

AU - Varga, D.

AU - Vassiliou, M.

AU - Veres, G. I.

AU - Vesztergombi, G.

AU - Vranić, D.

AU - Wetzler, A.

AU - Włodarczyk, Z.

AU - Wojtaszek, A.

AU - Yoo, I. K.

AU - Zimányi, J.

PY - 2008/9/26

Y1 - 2008/9/26

N2 - Multiplicity fluctuations of positively, negatively, and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A,30A,40A,80A, and 158A GeV. The multiplicity distributions and their scaled variances ω are presented as functions of their dependence on collision energy as well as on rapidity and transverse momentum. The distributions have bell-like shapes and their scaled variances are in the range from 0.8 to 1.2 without any significant structure in their energy dependence. No indication of the critical point in fluctuations are observed. The string-hadronic ultrarelativistic quantum molecular dynamics (UrQMD) model significantly overpredicts the mean, but it approximately reproduces the scaled variance of the multiplicity distributions. The predictions of the statistical hadron-resonance gas model obtained within the grand-canonical and canonical ensembles disagree with the measured scaled variances. The narrower than Poissonian multiplicity fluctuations measured in numerous cases may be explained by the impact of conservation laws on fluctuations in relativistic systems.

AB - Multiplicity fluctuations of positively, negatively, and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A,30A,40A,80A, and 158A GeV. The multiplicity distributions and their scaled variances ω are presented as functions of their dependence on collision energy as well as on rapidity and transverse momentum. The distributions have bell-like shapes and their scaled variances are in the range from 0.8 to 1.2 without any significant structure in their energy dependence. No indication of the critical point in fluctuations are observed. The string-hadronic ultrarelativistic quantum molecular dynamics (UrQMD) model significantly overpredicts the mean, but it approximately reproduces the scaled variance of the multiplicity distributions. The predictions of the statistical hadron-resonance gas model obtained within the grand-canonical and canonical ensembles disagree with the measured scaled variances. The narrower than Poissonian multiplicity fluctuations measured in numerous cases may be explained by the impact of conservation laws on fluctuations in relativistic systems.

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U2 - 10.1103/PhysRevC.78.034914

DO - 10.1103/PhysRevC.78.034914

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