B-meson wave function with contributions from three-particle Fock states
黄涛(理); Huang, T; Qiao, CF; Wu, XG
刊名PHYSICAL REVIEW D
2006
卷号73期号:7页码:74004
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.73.074004
通讯作者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
文章类型Article
英文摘要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.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:000237158500027
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240769
专题中国科学院高能物理研究所_理论物理室_期刊论文
中国科学院高能物理研究所_理论物理室
作者单位中国科学院高能物理研究所
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Huang T,Huang, T,Qiao, CF,et al. B-meson wave function with contributions from three-particle Fock states[J]. PHYSICAL REVIEW D,2006,73(7):74004.
APA 黄涛,Huang, T,Qiao, CF,&Wu, XG.(2006).B-meson wave function with contributions from three-particle Fock states.PHYSICAL REVIEW D,73(7),74004.
MLA 黄涛,et al."B-meson wave function with contributions from three-particle Fock states".PHYSICAL REVIEW D 73.7(2006):74004.
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