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Ma, JP; Sang, HZ; Zhu, SJ; Ma, JP (reprint author), Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Collinear factorization for single transverse-spin asymmetry in Drell-Yan processes
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordDeep-inelastic Scattering Final-state Interactions To-back Jets Azimuthal Asymmetries Pion-production Quark Polarization Hard-scattering Cross-section Parton Distributions Hadronic Scattering
AbstractWe study the scattering of a single parton state with a multiparton state to derive the complete results of perturbative coefficient functions at leading order, which appear in the collinear factorization for single transverse-spin asymmetry (SSA) in Drell-Yan processes with a transversely polarized hadron in the initial state. We find that the factorization formula of SSA contains hard-pole, soft-quark-pole, and soft-gluon-pole contributions. It is interesting to note that the leading-order perturbative coefficient functions of soft-quark-pole and soft-gluon-pole contributions are extracted from parton-scattering amplitudes at one-loop, while the functions of hard-pole contributions are extracted from the tree-level amplitudes at tree-level. Our method to derive the factorization of SSA is different than the existing one in literature. A comparison of our results with those obtained by other methods is made here.
2012
ISSN1550-7998
Volume85Issue:11Pages:114011
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Nature Science Foundation of P.R. China [10975169, 11021092, 11147168]; Fundamental Research Funds for the Central Universities [WM1114025] ; National Nature Science Foundation of P.R. China [10975169, 11021092, 11147168]; Fundamental Research Funds for the Central Universities [WM1114025] ; National Nature Science Foundation of P.R. China [10975169, 11021092, 11147168]; Fundamental Research Funds for the Central Universities [WM1114025] ; National Nature Science Foundation of P.R. China [10975169, 11021092, 11147168]; Fundamental Research Funds for the Central Universities [WM1114025]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15080
Collection理论物理所科研产出_SCI论文
Corresponding AuthorMa, JP (reprint author), Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Ma, JP,Sang, HZ,Zhu, SJ,et al. Collinear factorization for single transverse-spin asymmetry in Drell-Yan processes[J]. PHYSICAL REVIEW D,2012,85(11):114011.
APA Ma, JP,Sang, HZ,Zhu, SJ,&Ma, JP .(2012).Collinear factorization for single transverse-spin asymmetry in Drell-Yan processes.PHYSICAL REVIEW D,85(11),114011.
MLA Ma, JP,et al."Collinear factorization for single transverse-spin asymmetry in Drell-Yan processes".PHYSICAL REVIEW D 85.11(2012):114011.
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