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He, XG; Ma, JP; Wu, CY; He, XG , Natl Taiwan Univ, Dept Phys, Taipei, Taiwan, Taiwan.
B ->phi K and B ->phi Xs in the heavy quark limit
Source PublicationPHYSICAL REVIEW D
KeywordDirect Cp Violation B-meson Decays Qcd Factorization Perturbative Qcd V-ub Physics Lattice
AbstractWe study B-->phiK and B-->phiX(s) decays in the heavy quark limit using perturbative QCD. The next leading order corrections introduce substantial modifications to the naive factorization results (more than 50%). The branching ratio Br(B-->phiK) is predicted to be in the range [F-1(B-->K)(m(phi)(2))/0.33](2)(3.2-4.5)x10(-6) that is within the one sigma allowed region from the central value of 6.2x10(-6) measured by CLEO Collaboration, but outside the one sigma allowed region from the central value of 17.2x10(-6) measured by BELLE Collaboration for reasonable F-1(B-->K). For the semi-inclusive decay B-->phiX(s) we also include initial bound state effects in the heavy quark limit that decreases the branching ratio by about 10%. Br(B-->phiX(s)) is predicted to be in the range (4.8-6.6)x10(-5).
2001
ISSN0556-2821
Volume63Issue:9Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12764
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorHe, XG , Natl Taiwan Univ, Dept Phys, Taipei, Taiwan, Taiwan.
Recommended Citation
GB/T 7714
He, XG,Ma, JP,Wu, CY,et al. B ->phi K and B ->phi Xs in the heavy quark limit[J]. PHYSICAL REVIEW D,2001,63(9):-.
APA He, XG,Ma, JP,Wu, CY,&He, XG , Natl Taiwan Univ, Dept Phys, Taipei, Taiwan, Taiwan..(2001).B ->phi K and B ->phi Xs in the heavy quark limit.PHYSICAL REVIEW D,63(9),-.
MLA He, XG,et al."B ->phi K and B ->phi Xs in the heavy quark limit".PHYSICAL REVIEW D 63.9(2001):-.
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