ITP OpenIR  > 理论物理所2017年知识产出
One-loop corrections to single spin asymmetries at twist-3 in Drell-Yan processes
Chen, AP; Ma, JP; Zhang, GP; Chen, AP (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.; Chen, AP (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China.
2017
发表期刊PHYSICAL REVIEW D
卷号95期号:7页码:74005
文章类型Article
摘要We study single spin asymmetries at one-loop accuracy in Drell-Yan processes in which one of the initial hadrons is transversely polarized. The spin-dependent part of differential cross sections can be factorized with various hadronic matrix elements of twist-2 and twist-3 operators. These operators can be of even and odd chirality. In this work, the studied observables of asymmetries are differential cross sections with different weights. These weights are selected so that the observables are spin dependent and their virtual corrections are completely determined by the quark form factor. In the calculations of one-loop corrections we meet collinear divergences in the contributions involving chirality-odd and chirality-even operators. We find that all of the divergences can be correctly subtracted. Therefore, our results give an explicit example of QCD factorization at one loop with twist-3 operators, especially QCD factorization with chirality-odd twist-3 operators.
学科领域Astronomy & Astrophysics ; Physics
资助者National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; CAS center for excellence in particle physics (CCEPP) ; CAS center for excellence in particle physics (CCEPP) ; National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; CAS center for excellence in particle physics (CCEPP) ; CAS center for excellence in particle physics (CCEPP)
DOIhttp://dx.doi.org/10.1103/PhysRevD.95.074005
关键词[WOS]DEEP-INELASTIC SCATTERING ; ODD PARTON DISTRIBUTIONS ; DIRECT PHOTON PRODUCTION ; SCALE DEPENDENCE ; PION-PRODUCTION ; QCD ; OPERATORS ; EVOLUTION
语种英语
资助者National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; CAS center for excellence in particle physics (CCEPP) ; CAS center for excellence in particle physics (CCEPP) ; National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; National Nature Science Foundation of the People's Republic of China [11275244, 11675241, 11605195] ; CAS center for excellence in particle physics (CCEPP) ; CAS center for excellence in particle physics (CCEPP)
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22086
专题理论物理所2017年知识产出
通讯作者Chen, AP (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.; Chen, AP (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China.
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Chen, AP,Ma, JP,Zhang, GP,et al. One-loop corrections to single spin asymmetries at twist-3 in Drell-Yan processes[J]. PHYSICAL REVIEW D,2017,95(7):74005.
APA Chen, AP,Ma, JP,Zhang, GP,Chen, AP ,&Chen, AP .(2017).One-loop corrections to single spin asymmetries at twist-3 in Drell-Yan processes.PHYSICAL REVIEW D,95(7),74005.
MLA Chen, AP,et al."One-loop corrections to single spin asymmetries at twist-3 in Drell-Yan processes".PHYSICAL REVIEW D 95.7(2017):74005.
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