Antishadowing Effect on Charmonium Production at a Fixed-Target Experiment Using LHC Beams

被引：3
|
作者：
Zhou, Kai [1 ,2 ,3 ]
Chen, Zhengyu [1 ,2 ]
Zhuang, Pengfei [1 ,2 ]
机构：
[1] Tsinghua Univ, Phys Dept, Beijing 100084, Peoples R China
[2] Collaborat Innovat Ctr Quantum Matter, Beijing 100084, Peoples R China
[3] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany
来源：
ADVANCES IN HIGH ENERGY PHYSICS | 2015年 / 2015卷
关键词：
HEAVY-ION COLLISIONS; QUARK-GLUON PLASMA; J/PSI PRODUCTION; MOMENTUM SPECTRA; DA COLLISIONS; ART; PHYSICS; SUPPRESSION; HADRON; FLOW;
D O I：
10.1155/2015/439689
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We investigate charmonium production in Pb + Pb collisions at LHC beam energy E-lab = 2.76A TeV at fixed-target experiment (root S-NN = 72GeV). In the frame of a transport approach including cold and hot nuclear matter effects on charmonium evolution, we focus on the antishadowing effect on the nuclear modification factors R-AA and r(AA) for the J/psi yield and transverse momentum. The yield is more suppressed at less forward rapidity (y(lab) similar or equal to 2) than that at very forward rapidity (y(lab) similar or equal to 4) due to the shadowing and antishadowing in different rapidity bins.
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页数：8
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