Charmonium production and absorption in p-A and A-A collision
Yao XX(姚晓霞); Zhang XF(张晓飞); Zhao WQ(赵维勤); Yao, XX; Zhang, XF; Qiao, CF; Zhao, WQ
刊名HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
1999
卷号23期号:3页码:#REF!
关键词J/psi suppression color singlet color octet comover QGP
学科分类Physics
其他题名p-A 和 A-A 碰撞中重夸克偶素的产生和吸收机制
通讯作者Yao, XX (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
文章类型Article
英文摘要J/psi and psi' production cross sections in fixed-target experiment is calculated, considering the contributions from both color-singlet and color-octet mechanisms. The results are applied to the investigations of the J/psi suppression and the psi'/psi ratio problems in p-A collisions. The results agree with the experimental data as the (c (c) over bar)-nucleon absorption cross sections sigma(abs)(8) approximate to 10mb for (c (c) over bar)(8) and sigma(abs)(1) approximate to 0mb for (c (c) over bar)(1). The model is further used to investigate A-h collisions when comover absorption mechanism is also considered. It is found that the observed experiment data of J/psi and psi'/psi ratio in S-U collisions and Pb-Pb collisions can not be explained consistently within this model. The possibility of QGP formation in S-U and Pb-Pb collisions is also discussed.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000079697700008
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227299
专题中国科学院高能物理研究所_理论物理室_期刊论文
中国科学院高能物理研究所_理论物理室
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Yao XX,Zhang XF,Zhao WQ,et al. Charmonium production and absorption in p-A and A-A collision[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,1999,23(3):#REF!.
APA 姚晓霞.,张晓飞.,赵维勤.,Yao, XX.,Zhang, XF.,...&Zhao, WQ.(1999).Charmonium production and absorption in p-A and A-A collision.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,23(3),#REF!.
MLA 姚晓霞,et al."Charmonium production and absorption in p-A and A-A collision".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 23.3(1999):#REF!.
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