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题名: Scale dependence of twist-3 quark-gluon operators for single spin asymmetries
作者: Ma, JP ;  Wang, Q
刊名: PHYSICS LETTERS B
出版日期: 2012
卷号: 715, 期号:1-3, 页码:157-163
关键词: QCD ;  SCATTERING
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.] 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, Q.] Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210046, Jiangsu, Peoples R China; [Wang, Q.] Nanjing Normal Univ, Dept Phys, Nanjing 210046, Jiangsu, Peoples R China
英文摘要: We derive the scale dependence of twist-3 quark-gluon operators, or ETQS matrix elements, at one-loop. These operators are used to factorize transverse single spin asymmetries, which are studied intensively both in experiment and theory. The scale dependence of two special cases are particularly interesting. One is of soft-gluon-pole matrix elements, another is of soft-quark-pole matrix elements. From our results the evolutions in the two cases can be obtained. A comparison with existing results of soft-gluon-pole matrix elements is made. (c) 2012 Elsevier B.V. All rights reserved.
资助者: National Nature Science Foundation of P.R. China [10975169, 11021092, 10805028]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000308519000021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15042
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Ma, JP,Wang, Q. Scale dependence of twist-3 quark-gluon operators for single spin asymmetries[J]. PHYSICS LETTERS B,2012,715(1-3):157-163.
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