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题名: QCD corrections of all structure functions in transverse momentum dependent factorization for Drell-Yan processes
作者: Ma, JP ;  Zhang, GP
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2014
期号: 2, 页码:100
关键词: FINAL-STATE INTERACTIONS ;  TO-BACK JETS ;  SPIN ASYMMETRIES ;  SINGLE-SPIN ;  PARTON DISTRIBUTIONS ;  SCATTERING ;  HADRON ;  GAUGE
学科分类: Physics
DOI: 10.1007/JHEP02(2014)100
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.; Zhang, G. P.] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
英文摘要: We study the one-loop correction in Transverse-Momentum-Dependent(TMD) factorization for Drell-Yan processes at small transverse momentum of the lepton pair. We adopt the so-called subtractive approach, in which one can systematically construct contributions for subtracting long-distance effects represented by diagrams. The perturbative parts are obtained after the subtraction. We find that the perturbative coefficients of all structure functions in TMD factorization at leading twist are the same. The perturbative parts can also be studied with scattering of partons instead of hadrons. In this way, the factorization of many structure functions can only be examined by studying the scattering of multi-parton states, where there are many diagrams. These diagrams have no similarities to those treated in the subtractive approach. As an example, we use existing results of one structure function responsible for Single-Spin-Asymmetry, to show that these diagrams in the scattering of multi-parton states are equivalent to those treated in the subtractive approach after using Ward identity.
资助者: National Nature Science Foundation of P.R. China [11021092, 11275244]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000331968500005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15470
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Ma, JP,Zhang, GP. QCD corrections of all structure functions in transverse momentum dependent factorization for Drell-Yan processes[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(2):100.
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