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题名: Indirect measurement of quarkonium in the two-photon process
作者: Sang, WL ;  Gao, YJ ;  Chen, YQ
刊名: PHYSICAL REVIEW D
出版日期: 2012
卷号: 86, 期号:7, 页码:74031
关键词: ANNIHILATION ;  ETA(C)
学科分类: Physics
通讯作者: Sang, WL (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
部门归属: [Sang, Wen-Long] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Sang, Wen-Long] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China; [Gao, Ying-Jia; Chen, Yu-Qi] Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In this paper, we propose a new approach to probe the quarkonium at the BES-III and the B factories. In the two-photon process, e(+)e(-) -> e(+)e(-) + hadron, the signals of the emitted hadron can be reconstructed through investigating the final leptons e(+)e(-). Furthermore, by analyzing the distribution of the relative angle between the final e(+) and e(-), we can determine the quantum number of the final hadron. For those hadrons that are hard to detect directly, this may provide an effective way. We calculate the cross sections as well as the distributions of the eta(c)(1S, 2S) and chi(cJ)(1P, 2P) production at tree level and the next-to-leading order QCD radiative corrections. In addition, the cross sections of bottomonium production are considered at tree level. Unfortunately, they are too tiny to be detected.
资助者: China Postdoctoral Science Foundation [10875130, 10935012]; NSFC [10875156]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000310436300005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15008
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Sang, WL,Gao, YJ,Chen, YQ. Indirect measurement of quarkonium in the two-photon process[J]. PHYSICAL REVIEW D,2012,86(7):74031.
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