ITP OpenIR  > 理论物理所科研产出  > SCI论文
Wang, WY; Wu, YL; Zhou, YF; Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
More precise determination of V-cb & V-ub and direct CP violation in charmless B decays
Source PublicationJOURNAL OF THE KOREAN PHYSICAL SOCIETY
KeywordEffective-field-theory Quark Effective Theory Heavy-quark Meson Decays Vertical-bar Qcd Factorization Strong Phases Form-factors Pi Decays Hqeft
AbstractMore precise extractions on the two important CKM matrix elements \V-cb\ and \V-ub\ are presented up to 1/m(Q)(2) corrections, based on the complete heavy-quark effective field theory (HQEFT) of QCD. The HQEFT as a large component QCD provides us with a complete theoretical framework for correctly and systematically evaluating the subleading and higher-order contributions in 1/m(Q) expansion of heavy quarks. A global analysis on charmless B decays is made, based on the isospin and SU(3) flavor symmetry. An isospin relation is found to be very useful for studying SU(3) symmetry-breaking effects of strong phases and exploring new types of electroweak penguin effects. The direct CP violation in charmless B decays is predicted, and its precise measurement is helpful either for testing SU(3) symmetry breaking effects of strong phases or for probing news physics beyond standard model.
2004
ISSN0374-4884
Volume45Issue:0Pages:S459-S466
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13979
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Wang, WY,Wu, YL,Zhou, YF,et al. More precise determination of V-cb & V-ub and direct CP violation in charmless B decays[J]. JOURNAL OF THE KOREAN PHYSICAL SOCIETY,2004,45(0):S459-S466.
APA Wang, WY,Wu, YL,Zhou, YF,&Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2004).More precise determination of V-cb & V-ub and direct CP violation in charmless B decays.JOURNAL OF THE KOREAN PHYSICAL SOCIETY,45(0),S459-S466.
MLA Wang, WY,et al."More precise determination of V-cb & V-ub and direct CP violation in charmless B decays".JOURNAL OF THE KOREAN PHYSICAL SOCIETY 45.0(2004):S459-S466.
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