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Polarization, CP asymmetry, and branching ratios in B ->(KK*)-K-* with the perturbative QCD approach
Zhu J(朱晋); Shen YL(沈月龙); Lv CD(吕才典); Zhu, J; Shen, YL; Lu, CD
2005
发表期刊PHYSICAL REVIEW D
卷号72期号:5页码:54015
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; CAS, Inst High Energy Phys, Beijing 100049, Peoples R China ; Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
文章类型Article
摘要We study the charmless rare decays B -> (KK*)-K-* within the perturbative QCD picture. We calculate not only factorizable and nonfactorizable diagrams, but also annihilation ones. Our predictions are the following: The longitudinal polarization fraction vary from 75% to 99% depending on channels, the branching ratios are of order 10(-7) for B-0(B over-bar(0))-> (KK)-K-*0 over-bar(*0) and B+/--> K*+/-K over-bar(*0)(K-*0), much bigger than that for B-0(B over-bar(0))-> K*+Kover-bar*-(10(-8)). The direct CP asymmetry in B+/--> K*+/-Kover-bar*0(K-*0) and B-0(B over-bar(0))-> K*+K*- is about -15% and -65% if we choose alpha(phi(2)) as 95 degrees. The direct CP violation in B-0(B over-bar(0))-> (KKover-bar*0)-K-*0 decays is negligible if there is not strong final state interactions. Our predictions will be tested in the future B experiments.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.72.054015
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000232230000053
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被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240665
专题理论物理室
作者单位中国科学院高能物理研究所
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Zhu J,Shen YL,Lv CD,et al. Polarization, CP asymmetry, and branching ratios in B ->(KK*)-K-* with the perturbative QCD approach[J]. PHYSICAL REVIEW D,2005,72(5):54015.
APA 朱晋,沈月龙,吕才典,Zhu, J,Shen, YL,&Lu, CD.(2005).Polarization, CP asymmetry, and branching ratios in B ->(KK*)-K-* with the perturbative QCD approach.PHYSICAL REVIEW D,72(5),54015.
MLA 朱晋,et al."Polarization, CP asymmetry, and branching ratios in B ->(KK*)-K-* with the perturbative QCD approach".PHYSICAL REVIEW D 72.5(2005):54015.
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