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题名: Transverse momentum dependent factorization for quarkonium production at low transverse momentum
作者: Ma, JP ;  Wang, JX ;  Zhao, S
刊名: PHYSICAL REVIEW D
出版日期: 2013
卷号: 88, 期号:1, 页码:14027
关键词: FINAL-STATE INTERACTIONS ;  PARTON DISTRIBUTIONS ;  J/PSI PRODUCTION ;  GAUGE
学科分类: Physics
通讯作者: Ma, JP (reprint author), Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: [Ma, J. P.; Zhao, S.] Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China; [Ma, J. P.] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [Wang, J. X.] Acad Sinica, Inst High Energy Phys, Beijing 100049, Peoples R China
英文摘要: Quarkonium production in hadron collisions at low transverse momentum q(perpendicular to) << M with M as the quarkonium mass can be used for probing transverse momentum dependent (TMD) gluon distributions. For this purpose, one needs to establish the TMD factorization for the process. We examine the factorization at the one-loop level for the production of eta(c) or eta(b). The perturbative coefficient in the factorization is determined at one-loop accuracy. Comparing the factorization derived at tree level and that beyond the tree level, a soft factor is, in general, needed to completely cancel soft divergences. We have also discussed possible complications of TMD factorization of p-wave quarkonium production.
资助者: National Nature Science Foundation of People
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000322082000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15322
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Ma, JP,Wang, JX,Zhao, S. Transverse momentum dependent factorization for quarkonium production at low transverse momentum[J]. PHYSICAL REVIEW D,2013,88(1):14027.
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