Net-Baryon and Net-Kaon Rapidity Distributions in Ultrarelativistic Heavy-Ion Collisions

In this paper, the gluon distribution is extracted from the KLR-AdS/CFT saturation model and used to investigate net-baryon and net-kaon rapidity distributions in ultrarelativistic heavy-ion collisions. With the same parameters of the saturation model fitting to HERA data and an χ^2 analysis of the...

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Published inCommunications in theoretical physics Vol. 57; no. 6; pp. 1043 - 1047
Main Author 王宏民 侯召宇 孙献静
Format Journal Article
LanguageEnglish
Published 01.06.2012
Subjects
Accuracy
Collisions
Energy distribution
Fittings
Gluons
K介子
Mathematical models
RHIC能区
Saturation
Theoretical physics
大型强子对撞机
快度分布
相对论重离子碰撞
速度分布
重子
饱和度模型
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Summary:In this paper, the gluon distribution is extracted from the KLR-AdS/CFT saturation model and used to investigate net-baryon and net-kaon rapidity distributions in ultrarelativistic heavy-ion collisions. With the same parameters of the saturation model fitting to HERA data and an χ^2 analysis of the overall constant C, the theoretical results are in good agreement with RHIC data in Au＋Au collisions at √s = 0.2 TeV. Then, we present the predictive results for net-baryon rapidity distributions in central Pb＋Pb collisions at LHC energies of √s = 2.76, 3.94, and 5.52 TeV, and give the corresponding values of dN/ dy for net-baryon at y = 0.
Bibliography:In this paper, the gluon distribution is extracted from the KLR-AdS/CFT saturation model and used to investigate net-baryon and net-kaon rapidity distributions in ultrarelativistic heavy-ion collisions. With the same parameters of the saturation model fitting to HERA data and an χ^2 analysis of the overall constant C, the theoretical results are in good agreement with RHIC data in Au＋Au collisions at √s = 0.2 TeV. Then, we present the predictive results for net-baryon rapidity distributions in central Pb＋Pb collisions at LHC energies of √s = 2.76, 3.94, and 5.52 TeV, and give the corresponding values of dN/ dy for net-baryon at y = 0.
WANG Hong-Min HOU Zhao-Yu and SUN Xian-Jing 1physics Department, Academy of Armored Forces Engineering of PLA, Beijing 100072, China 2physics Graduate School, Shijiazhuang Railway Institute, Shijiazhuang 050043, China 3Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
11-2592/O3
relativistic heavy-ion collisions, net-baryon rapidity distribution, saturation model
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0253-6102
DOI:10.1088/0253-6102/57/6/17