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Zhou, GL
A Proof of Factorization Theorem of Drell Yan Process at Operator Level
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
Language英语
KeywordQCD factorization HADRON-HADRON SCATTERING Drell Yan process VACUUM POLARIZATION DIAGRAMS LEPTON-PAIR PRODUCTION HARD QCD PROCESSES CROSS-SECTION PERTURBATION-THEORY MASS SINGULARITIES ANNIHILATION PROCESSES INELASTIC-SCATTERING PARTON DISTRIBUTION
AbstractAn alternative proof of factorization theorem for Drell-Yan process that works at operator level is presented in this paper. Contributions of interactions after the hard collision for such inclusive processes are proved to be canceled at operator level according to the unitarity of time evolution operator. After this cancellation, there are no longer leading pinch singular surface in Glauber region in the time evolution of electromagnetic currents. Effects of soft gluons are absorbed into Wilson lines of scalar-polarized gluons. Cancelation of soft gluons is attribute to unitarity of time evolution operator and such Wilson lines.
2016
Volume65Issue:2Pages:193-203
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11275242]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23026
Collection理论物理所科研产出_SCI论文
AffiliationChinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhou, GL. A Proof of Factorization Theorem of Drell Yan Process at Operator Level[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2016,65(2):193-203.
APA Zhou, GL.(2016).A Proof of Factorization Theorem of Drell Yan Process at Operator Level.COMMUNICATIONS IN THEORETICAL PHYSICS,65(2),193-203.
MLA Zhou, GL."A Proof of Factorization Theorem of Drell Yan Process at Operator Level".COMMUNICATIONS IN THEORETICAL PHYSICS 65.2(2016):193-203.
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