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Transverse-momentum dependent factorization for gamma(*)pi(0)->gamma
Ma, J. P.; Wang, Q.; Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
2007
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号75期号:1页码:-
摘要With a consistent definition of transverse-momentum dependent (TMD) light-cone wave function, we show that the amplitude for the process gamma(*)pi(0)->gamma can be factorized when the virtuality of the initial photon is large. In contrast to the collinear factorization in which the amplitude is factorized as a convolution of the standard light-cone wave function and a hard part, the TMD factorization yields a convolution of a TMD light-cone wave function, a soft factor and a hard part. We explicitly show that the TMD factorization holds at one-loop level. It is expected that the factorization holds beyond one-loop level because the cancellation of soft divergences is on a diagram-by-diagram basis. We also show that the TMD factorization helps to resum large logarithms of type ln(2)x.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Nanjing Normal Univ, Dept Phys, Nanjing 210097, Jiangsu, Peoples R China; Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210097, Jiangsu, Peoples R China
关键词Transition Form-factors Cone Wave-function B-meson Decays To-back Jets Qcd Factorization Perturbative Qcd Exclusive Processes Amplitudes Extraction Behavior
学科领域Physics
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收录类别SCI
WOS记录号WOS:000243896200044
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5802
专题理论物理所SCI论文
通讯作者Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
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Ma, J. P.,Wang, Q.,Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China. Transverse-momentum dependent factorization for gamma(*)pi(0)->gamma[J]. PHYSICAL REVIEW D,2007,75(1):-.
APA Ma, J. P.,Wang, Q.,&Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China.(2007).Transverse-momentum dependent factorization for gamma(*)pi(0)->gamma.PHYSICAL REVIEW D,75(1),-.
MLA Ma, J. P.,et al."Transverse-momentum dependent factorization for gamma(*)pi(0)->gamma".PHYSICAL REVIEW D 75.1(2007):-.
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