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B-meson wavefunction in the Wandzura-Wilczek approximation
黄涛(理); Wu XG(吴小刚); Zhou MZ(周明震); Huang, T; Wu, XG; Zhou, MZ
Source PublicationPHYSICS LETTERS B
Corresponding AuthorHuang, T (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
AbstractThe B-meson wavefunction has been studied with the help of the vacuum-to-meson matrix element of the non-local operators in the heavy quark effective theory. In order to obtain the Wandzura-Wilczek-type B-meson wavefunction, we solve the equations which are derived from the equation of motion of the light spectator quark in the B meson by using two different assumptions. Under the condition that omega(0) = 2 (Lambda) over bar, the solutions for the B-meson wavefunction in this paper agree well with the one obtained by directly taking the heavy quark limit m(b) -> infinity. Our results show that the equation of motion of the light spectator quark in the B meson can impose a strong constraint on the B-meson wavefunctions Psi(+/-)(omega, z(2)). Based on the obtained results, we claim that both its distribution amplitudes phi(B)(omega) and phi(B)(omega) are important for calculating the B meson decays. (c) 2005 Elsevier B.V. All rights reserved.
KeywordB meson wavefunction heavy quark limit
Subject AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000228172000006
ADS Bibcode2005PhLB..611..260H
ADS URLhttps://ui.adsabs.harvard.edu/abs/2005PhLB..611..260H
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2005PhLB..611..260H/citations
Citation statistics
Cited Times:19 [INSPIRE]
Cited Times:20 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Huang T,Wu XG,Zhou MZ,et al. B-meson wavefunction in the Wandzura-Wilczek approximation[J]. PHYSICS LETTERS B,2005,611(3-4):#REF!.
APA 黄涛,吴小刚,周明震,Huang, T,Wu, XG,&Zhou, MZ.(2005).B-meson wavefunction in the Wandzura-Wilczek approximation.PHYSICS LETTERS B,611(3-4),#REF!.
MLA 黄涛,et al."B-meson wavefunction in the Wandzura-Wilczek approximation".PHYSICS LETTERS B 611.3-4(2005):#REF!.
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