Generalized counting rule for hard exclusive processes

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	Ji, XD; Ma, JP; Yuan, F; Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
	Generalized counting rule for hard exclusive processes
发表期刊	PHYSICAL REVIEW LETTERS (IF:8.839[JCR-2017],7.888[5-Year])
关键词	Large-transverse-momentum Constituent-quark-model Elastic-scattering Distribution Amplitudes Form-factors Qcd Nucleon Behavior Angle Spin
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.
	2003
ISSN	0031-9007
卷号	90 期号:24 页码:-
学科领域	Physics
收录类别	SCI
引用统计	被引频次：60[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	SCI期刊论文
通讯作者	Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
推荐引用方式 GB/T 7714	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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