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Generalized counting rule for hard exclusive processes
Ji, XD; Ma, JP; Yuan, F; Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
2003
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号90期号:24页码:-
摘要We derive a generalized counting rule for hard exclusive processes involving parton orbital angular momentum and hadron helicity flip. We start with a systematic way to enumerate the Fock components of a hadronic light-cone wave function with n partons and orbital angular momentum projection l(z). We show that the wave-function amplitude psi(n)(x(i),k(iperpendicular to),l(zi)) has a leading behavior 1/(k(perpendicular to)(2))([n+parallel tol)(z)parallel to+min(n(')+parallel tol(z)(')parallel to)]/2-1 when all parton transverse momenta are uniformly large, where n(') and l(z)(') are the number of partons and orbital angular momentum projection, respectively, of an amplitude that mixes under renormalization. Besides the generalized counting rule, the result can be used as a constraint in modeling the hadronic light-cone wave functions.
部门归属Univ Maryland, Dept Phys, College Pk, MD 20742 USA; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Large-transverse-momentum Constituent-quark-model Elastic-scattering Distribution Amplitudes Form-factors Qcd Nucleon Behavior Angle Spin
学科领域Physics
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收录类别SCI
WOS记录号WOS:000183642800006
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被引频次:56[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/311006/13273
专题理论物理所1978-2010年知识产出
通讯作者Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
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Ji, XD,Ma, JP,Yuan, F,et al. Generalized counting rule for hard exclusive processes[J]. PHYSICAL REVIEW LETTERS,2003,90(24):-.
APA Ji, XD,Ma, JP,Yuan, F,&Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA..(2003).Generalized counting rule for hard exclusive processes.PHYSICAL REVIEW LETTERS,90(24),-.
MLA Ji, XD,et al."Generalized counting rule for hard exclusive processes".PHYSICAL REVIEW LETTERS 90.24(2003):-.
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