A Monte Carlo Study on Event-by-Event Transverse Momentum Fluctuation at RHIC

XU Ming-Mei

Chinese Physics C> 2005, Vol. 29> Issue(9) : 892-895

A Monte Carlo Study on Event-by-Event Transverse Momentum Fluctuation at RHIC

XU Ming-Mei ^,

Institute of Particle Physics, Huazhong Normal University, Wuhan 430079, China

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Abstract：
The experimental observation on the multiplicity dependence of event-by-event transverse momentum fluctuation in relativistic heavy ion collisions is studied using Monte Carlo simulation. It is found that the Monte Carlo generator HIJING is unable to describe the experimental phenomenon well. A simple Monte Carlo model is proposed, which can recover the data and thus shed some light on the dynamical origin of the multiplicity dependence of event-by-event transverse momentum fluctuation.

References

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. Proceedings for Quark Matter'04. Oakland, Jan., 20042. Gyulassy M. The QGP Discovered at RHIC. nucl-th/0403032, 2004; Shuryak E. What RHIC Experiments and Theory Tell us about Properties of Quark-Gluon Plasma?hepph/0405066, 20043. Mr'owczy'nski S. Phys. Lett., 1993, B314: 1184. Stephanov M A, Rajagopal K, Shuryak E V. Phys. Rev.Lett., 1998, 81: 4816; Phys. Rev., 1999, D60: 1140285. Dumitru A, Pisarski R. Phys. Lett., 2001, B504: 2826. Adams J et al(STAR Collab). nucl-ex/0308033, 20037. Adamov D et al(CERES Collab). Nucl. Phys., 2003,A727: 97|1198. Adler C et al(STAR Collab). Phys. Rev. Lett., 2001, 87:1123039. Barnby L for STAR Collab. Identied Hadron Spectra and Yields, Talk at 19th Winter Workshop on Nuclear Dynamics, Breckenridge, Feb. 200310. Voloshin S A, Koch V, Ritter H G. Phys. Rev., 1999, C60:02490111. FU J H, LIU L S. Phys. Rev., 2003, C68: 06490412. LIU Lian-Shou, FU Jing-Hua. Chin. Phys. Lett., 2004, 21:1467

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XU Ming-Mei. A Monte Carlo Study on Event-by-Event Transverse Momentum Fluctuation at RHIC[J]. Chinese Physics C, 2005, 29(9): 892-895.

XU Ming-Mei. A Monte Carlo Study on Event-by-Event Transverse Momentum Fluctuation at RHIC[J]. Chinese Physics C, 2005, 29(9): 892-895. shu

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Received: 2005-03-07
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A Monte Carlo Study on Event-by-Event Transverse Momentum Fluctuation at RHIC

XU Ming-Mei ^,

Corresponding author: XU Ming-Mei,

Institute of Particle Physics, Huazhong Normal University, Wuhan 430079, China

Received Date: 2005-03-07
Accepted Date: 1900-01-01
Available Online: 2005-09-05

Abstract: The experimental observation on the multiplicity dependence of event-by-event transverse momentum fluctuation in relativistic heavy ion collisions is studied using Monte Carlo simulation. It is found that the Monte Carlo generator HIJING is unable to describe the experimental phenomenon well. A simple Monte Carlo model is proposed, which can recover the data and thus shed some light on the dynamical origin of the multiplicity dependence of event-by-event transverse momentum fluctuation.