STAR Results from the RHIC Beam Energy Scan-I

被引：47
|
作者：
Kumar, Lokesh [1 ]
机构：
[1] Kent State Univ, Dept Phys, Kent, OH 44242 USA
来源：
NUCLEAR PHYSICS A | 2013年 / 904卷
基金：
新加坡国家研究基金会; 巴西圣保罗研究基金会;
关键词：
PHASE-DIAGRAM; COLLISIONS; TRANSITION;
D O I：
10.1016/j.nuclphysa.2013.01.070
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：
The Beam Energy Scan (BES) program is being pursued at RHIC to study the QCD phase diagram, and search for the possible QCD phase boundary and possible QCD critical point. The data for Phase-I of the BES program have been collected for Au+Au collisions at center-of-mass energies (root s(NN)) of 7.7, 11.5, 19.6, 27, and 39 GeV. These collision energies allowed the STAR experiment to cover a wide range of baryon chemical potential mu(B) (100-400 MeV) in the QCD phase diagram. We report on several interesting results from the BES Phase-I covering the high net-baryon density region. These results shed light on particle production mechanism and freeze-out conditions, first-order phase transition and "turn-off" of QGP signatures, and existence of a critical point in the phase diagram. Finally, we give an outlook for the future BES Phase-II program and a possible fixed target program at STAR.
引用
收藏
页码：256C / 263C
页数：8
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