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Study of B -> K-*rho, K-*omega decays with polarization in the perturbative QCD approach
Huang, HW; Lv CD(吕才典); Shen YL(沈月龙); Zhu J(朱晋); Lu, CD; Morii, T; Shen, YL; Song, GL; Zhu, J
2006
发表期刊PHYSICAL REVIEW D
卷号73期号:1页码:14011
通讯作者Inst High Energy Phys, Beijing 100039, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China ; Univ Colorado, Dept Phys, Boulder, CO 80302 USA ; Kobe Univ, Fac Human Dev, Kobe, Hyogo 6578501, Japan ; Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
文章类型Article
摘要The B -> K(*)rho, K(*)omega decays are useful to determine the Cabbibo-Kobayashi-Maskawa (CKM) angle phi(3) = gamma. Their polarization fractions are also interesting because of the polarization puzzle of the B -> phi K-* decay. We study these decays in the perturbative QCD approach based on k(T) factorization. After calculating the nonfactorizable and annihilation type contributions, in addition to the conventional factorizable contributions, we find that the contributions from the annihilation diagrams are crucial. They give dominant contribution to the strong phases and suppress the longitudinal polarizations. Our results agree with the current existing data. We also predict sizable direct CP asymmetries in B+ -> K(*+)rho(0), B-0 -> K(*+)rho(-), and B+ -> K(*+)omega decays, which can be tested by the oncoming measurements in the B factory experiments.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.73.014011
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语种英语
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000235009900034
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被引频次:27[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/311005/240425
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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Huang, HW,Lv CD,Shen YL,et al. Study of B -> K-*rho, K-*omega decays with polarization in the perturbative QCD approach[J]. PHYSICAL REVIEW D,2006,73(1):14011.
APA Huang, HW.,吕才典.,沈月龙.,朱晋.,Lu, CD.,...&Zhu, J.(2006).Study of B -> K-*rho, K-*omega decays with polarization in the perturbative QCD approach.PHYSICAL REVIEW D,73(1),14011.
MLA Huang, HW,et al."Study of B -> K-*rho, K-*omega decays with polarization in the perturbative QCD approach".PHYSICAL REVIEW D 73.1(2006):14011.
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