B(B-s) -> D-(s) ((D)over-bar((s)))T and (D)over-bar*T-(s) decays in perturbative QCD approach
Zou ZT(邹芝田); Yu X(余欣); 吕才典;Zou, ZT; Yu, X; Lu, CD
刊名PHYSICAL REVIEW D
2012
卷号86期号:9页码:94001
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.86.094001
英文摘要In the perturbative QCD approach, we investigate the B(B-s) -> D-(s)((D) over bar ((s)))T and D*((s))((D) over bar*((s)))T decays, which include the Cabibbo-Kobayashi-Maskawa-favored (CKM-favored) decays and the CabibboKobayashi- Maskawa-suppressed decays, where T denotes a light tensor meson. From our calculations, we find that the nonfactorizable emission diagrams and the annihilation-type diagrams are important, especially for those color-suppressed channels. For those decays with a tensor meson emitted, the factorizable emission diagrams vanish owing to the fact that a tensor meson cannot be produced through the local (V - A) or tensor current. The numerical results show that the predictions for the branching ratios of considered charmed B decays are in the range of 10(-4) to 10(-6) for those CKM-favored decays (governed by jVcbj) and in the range of 10(-5) to 10(-8) for those CKM-suppressed decays (governed by vertical bar V-ub vertical bar). We also predict large transverse polarization contributions in many of the B(B-s) -> D*((s)) -> D*((s)) ((D) over bar ((s)) ((D) over bar*((s)))T decay channels.
收录类别SCI
WOS记录号WOS:000310500500004
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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.ihep.ac.cn/handle/311005/224607
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Zou ZT,Yu X,吕才典;Zou, ZT,et al. B(B-s) -> D-(s) ((D)over-bar((s)))T and (D)over-bar*T-(s) decays in perturbative QCD approach[J]. PHYSICAL REVIEW D,2012,86(9):94001.
APA 邹芝田,余欣,吕才典;Zou, ZT,Yu, X,&Lu, CD.(2012).B(B-s) -> D-(s) ((D)over-bar((s)))T and (D)over-bar*T-(s) decays in perturbative QCD approach.PHYSICAL REVIEW D,86(9),94001.
MLA 邹芝田,et al."B(B-s) -> D-(s) ((D)over-bar((s)))T and (D)over-bar*T-(s) decays in perturbative QCD approach".PHYSICAL REVIEW D 86.9(2012):94001.
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