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B-meson wave function with contributions from three-particle Fock states
Huang, T; Qiao, CF; Wu, XG; Huang, T , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
2006
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号73期号:7页码:-
摘要The B-meson light-cone wave functions, Psi(+/-)(omega,z(2)), are investigated up to the next-to-leading order in Fock state expansion in the heavy-quark limit. In order to know the transverse momentum dependence of the B-meson wave functions with 3-particle Fock states' contributions, we make use of the relations between 2- and 3- particle wave functions derived from the QCD equations of motion and the heavy-quark symmetry, especially two constraints derived from the gauge field equation of motion are employed. Our results show that the use of gluon equation of motion can give a constraint on the transverse momentum dependence chi(omega,k(perpendicular to)) of the B-meson wave functions, whose distribution tends to be a hyperbolalike curve under the condition 0 < c(1)< 1, which is quite different from the Wandzura-Wilczek-(WW)-type wave functions, whose transverse momentum dependence chi(WW)(omega,k(perpendicular to)) is merely a delta function. Based on the derived results, we propose a simple model for the B-meson wave functions with 3-particle Fock states' contributions.
部门归属CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; Chinese Acad Sci, Grad Sch, Dept Phys, Beijing 100049, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Heavy-quark Limit Transverse-momentum Distribution Effective Field-theory Form-factors Sum-rules Qcd Electroproduction Approximation Symmetry Lattice
学科领域Physics
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收录类别SCI
WOS记录号WOS:000237158500027
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被引频次:26[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/311006/6009
专题理论物理所SCI论文
通讯作者Huang, T , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
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GB/T 7714
Huang, T,Qiao, CF,Wu, XG,et al. B-meson wave function with contributions from three-particle Fock states[J]. PHYSICAL REVIEW D,2006,73(7):-.
APA Huang, T,Qiao, CF,Wu, XG,&Huang, T , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.(2006).B-meson wave function with contributions from three-particle Fock states.PHYSICAL REVIEW D,73(7),-.
MLA Huang, T,et al."B-meson wave function with contributions from three-particle Fock states".PHYSICAL REVIEW D 73.7(2006):-.
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