Hadronic dissipative effects on transverse dynamics at RHIC

被引：8

作者：

Hirano, T. ^{[1
]}

Heinz, U. ^{[2
,3
]}

Kharzeev, D. ^{[4
]}

Lacey, R. ^{[5
]}

Nara, Y. ^{[6
]}

机构：

[1] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[2] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[3] CERN, Dept Phys, Div Theory, CH-1211 Geneva 23, Switzerland

[4] Brookhaven Natl Lab, Dept Phys, Nucl Theory Grp, Upton, NY 11973 USA

[5] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

[6] Akita Int Univ, Akita 0101211, Japan

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2008年 / 35卷 / 10期

关键词：

D O I：

10.1088/0954-3899/35/10/104124

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We simulate the dynamics of Au+Au collisions at the relativistic heavy ion collider (RHIC) with a hybrid model that treats the quark-gluon plasma macroscopically as an ideal fluid, but models the hadron resonance gas microscopically using a hadronic cascade. We find that much of the mass-ordering pattern for nu(2)(p(T)) observed at RHIC is generated during the hadronic stage due to build-up of additional radial flow. We also find that the mass-ordering pattern is violated for phi mesons due to small interaction cross section in the hadron resonance gas.

引用

页数：4

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