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Flavor symmetry analysis of charmless B -> V P decays
Chiang, Cheng-Wei; Zhou, Yu-Feng; Chiang, CW , Natl Cent Univ, Dept Phys, Chungli 320, Taiwan
2009
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1126-6708
期号3页码:-
摘要Based upon flavor SU(3) symmetry, we perform global fits to charmless B decays into one pseudoscalar meson and one vector meson in the final state. We consider different symmetry breaking schemes and find that the one implied by naive scaling, where strangeness-conserving and strangeness-changing amplitudes are related by the ratio of appropriate decay constants, is slightly favored over the exact symmetry case. The ((rho) over bar, (eta) over bar) vertex of the unitarity triangle (UT) constrained by our fits is consistent with other methods within errors. We have found large color-suppressed, electroweak penguin and singlet penguin amplitudes when the spectator quark ends up in the final-state vector meson. Nontrivial relative strong phases are also required to explain the data. The best-fit parameters are used to compute branching ratio and CP asymmetry observables in all of the decay modes, particularly those in the B(s) decays to be measured at the Tevatron and LHC experiments.
部门归属[Chiang, CW] Natl Cent Univ, Dept Phys, Chungli 320, Taiwan; [Chiang, CW] Natl Cent Univ, Ctr Math & Theoret Phys, Chungli 320, Taiwan; [Chiang, CW] Acad Sinica, Inst Phys, Taipei 115, Taiwan; [Zhou, YF] Korea Inst Adv Study, Seoul 130722, South Korea; [Zhou, YF] Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Meson Decays Cp-violation Final-states Asymmetries Penguins Search Matrix Vector Omega Eta
学科领域Physics
资助者National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001]
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收录类别SCI
资助者National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001] ; National Center for Theoretical Sciences in Hsinchu; National Science Council of Taiwan, R. O. C.[NSC 96-2112-M-008-001]
WOS记录号WOS:000265600800055
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被引频次:11[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/311006/5380
专题理论物理所SCI论文
通讯作者Chiang, CW , Natl Cent Univ, Dept Phys, Chungli 320, Taiwan
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Chiang, Cheng-Wei,Zhou, Yu-Feng,Chiang, CW , Natl Cent Univ, Dept Phys, Chungli 320, Taiwan. Flavor symmetry analysis of charmless B -> V P decays[J]. JOURNAL OF HIGH ENERGY PHYSICS,2009(3):-.
APA Chiang, Cheng-Wei,Zhou, Yu-Feng,&Chiang, CW , Natl Cent Univ, Dept Phys, Chungli 320, Taiwan.(2009).Flavor symmetry analysis of charmless B -> V P decays.JOURNAL OF HIGH ENERGY PHYSICS(3),-.
MLA Chiang, Cheng-Wei,et al."Flavor symmetry analysis of charmless B -> V P decays".JOURNAL OF HIGH ENERGY PHYSICS .3(2009):-.
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