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Large strong phases and CP violation in the annihilation processes (B)over-bar(0)-> K+ K-, K*(+/-) K--/+, K*(+) K*(-)
Su, F.; Wu, Y.-L.; Yang, Y.-D.; Zhuang, C.; Su, F , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
2006
发表期刊EUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
卷号48期号:2页码:401-411
摘要The strong phases and CP violation in the rare (B) over bar (0)-> K+ K-, K*(+/-) K--/+, K*(+) K*(-) decays are investigated. As these decays proceed only via annihilation type diagrams in the standard model (SM), a dynamical gluon mass is introduced to avoid the infrared divergence in the soft endpoint regions. The Cutkosky rule is adopted to deal with a physical-region singularity of the on-mass-shell quark propagators, which leads to a big imaginary part and hence a large strong phase. As a consequence, large CP asymmetries are predicted in those decay modes due to a big interference between the annihilation amplitudes from penguin and tree operators, which may be tested in future more precise experiments.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Henan Normal Univ, Dept Phys, Xinxiang 453007, Henan, Peoples R China
关键词Landau Gauge Qcd 2-higgs-doublet Model Perturbative Qcd Form-factors B-mesons Decays Factorization Charmless Renormalization Regularization
学科领域Physics
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收录类别SCI
WOS记录号WOS:000249009900005
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被引频次:9[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/311006/5869
专题理论物理所1978-2010年知识产出
通讯作者Su, F , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
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GB/T 7714
Su, F.,Wu, Y.-L.,Yang, Y.-D.,et al. Large strong phases and CP violation in the annihilation processes (B)over-bar(0)-> K+ K-, K*(+/-) K--/+, K*(+) K*(-)[J]. EUROPEAN PHYSICAL JOURNAL C,2006,48(2):401-411.
APA Su, F.,Wu, Y.-L.,Yang, Y.-D.,Zhuang, C.,&Su, F , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2006).Large strong phases and CP violation in the annihilation processes (B)over-bar(0)-> K+ K-, K*(+/-) K--/+, K*(+) K*(-).EUROPEAN PHYSICAL JOURNAL C,48(2),401-411.
MLA Su, F.,et al."Large strong phases and CP violation in the annihilation processes (B)over-bar(0)-> K+ K-, K*(+/-) K--/+, K*(+) K*(-)".EUROPEAN PHYSICAL JOURNAL C 48.2(2006):401-411.
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