Scaling properties of light (anti)nuclei and (anti)hypertriton production in Au plus Au collisions at √SNN=200 GeV

被引：11
作者：
Chen Gang [1 ,2 ]
Chen Huan [1 ]
Wang Jiang-Ling [1 ]
Chen Zheng-Yu [1 ]
机构：
[1] China Univ Geosci, Sch Math & Phys, Wuhan 430074, Peoples R China
[2] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2014年 / 41卷 / 11期
关键词：
relativistic heavy ion collision; antinuclei and hypertriton; DCPC model; scaling properties; COALESCENCE; HYPERNUCLEI; FLOW;
D O I：
10.1088/0954-3899/41/11/115102
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 present a mass number scaling property of light (anti)nuclei production in midrapidity Au + Au collisions at root sNN = 200 GeV, based on the parton and hadron cascade and dynamically constrained phase-space coalescence (PACIAE + DCPC) model. We found that the integrated yields of light (anti) nuclei decrease exponentially with the increase of mass numbers, which can be characterized quantitatively with temperature T at the hadronic freeze-out process. Furthermore, we found that the integrated yields of (anti)nuclei per participant nucleon increase from peripheral to central collisions more rapidly with increasing mass number, and the increasing rates for different mass numbers can be approximately described by a universal line.
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页数：8
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