Nuclear modification factor in intermediate-energy heavy-ion collisions
Lv, M ; Ma, YG ; Zhang, GQ ; Chen, JH ; Fang, DQ
刊名PHYSICS LETTERS B
2014
卷号733页码:105—111
关键词LARGE TRANSVERSE-MOMENTUM QUARK-GLUON PLASMA PLUS AU COLLISIONS AU+AU COLLISIONS HADRONS MATTER PERSPECTIVE PIONS COLLABORATION EXPANSION
ISSN号0370-2693
通讯作者ygma@sinap.ac.cn
英文摘要The transverse momentum dependent nuclear modification factor (NMF), namely R-CP, is investigated for protons produced in Au + Au at 1A GeV within the framework of the isospin-dependent quantum molecular dynamics (IQMD) model. It is found that the radial collective motion during the expansion stage affects the NMF at low transverse momentum a lot. By fitting the transverse mass spectra of protons with the distribution function from the Blast-Wave model, the magnitude of radial flow can be extracted. After removing the contribution from radial flow, the R-CP can be regarded as a thermal one and is found to keep unitary at transverse momentum lower than 0.6 GeV/c and enhance at higher transverse momentum, which can be attributed to the Cronin effect. (C) 2014 The Authors. Published by Elsevier B.V.
收录类别SCI
语种英语
WOS记录号WOS:000336430400019
公开日期2015-03-13
内容类型期刊论文
源URL[http://ir.sinap.ac.cn/handle/331007/14282]  
专题上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式
GB/T 7714
Lv, M,Ma, YG,Zhang, GQ,et al. Nuclear modification factor in intermediate-energy heavy-ion collisions[J]. PHYSICS LETTERS B,2014,733:105—111.
APA Lv, M,Ma, YG,Zhang, GQ,Chen, JH,&Fang, DQ.(2014).Nuclear modification factor in intermediate-energy heavy-ion collisions.PHYSICS LETTERS B,733,105—111.
MLA Lv, M,et al."Nuclear modification factor in intermediate-energy heavy-ion collisions".PHYSICS LETTERS B 733(2014):105—111.
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