Pure annihilation type decays B-0 -> Ds-K2*(+) and B-s ->(D)over-bara(2) in the perturbative QCD approach
Zou ZT(邹芝田); Zhou R(周锐); 吕才典;Zou, ZT; Zhou, R; Lu, CD
刊名CHINESE PHYSICS C
2013
卷号37期号:1页码:13103
关键词B decay PQCD branching ratio
学科分类Physics
DOI10.1088/1674-1137/37/1/013103
英文摘要We calculate the branching ratios of pure annihilation type decays B-0 -> Ds-K2*(+) and B-s ->(D) over bara(2) using the perturbative QCD approach based on kT factorization. The branching ratios are predicted to be (60.6(-16.5-10.4-2.1)(+17.3+4.3+3.2)) x 10(-6) for B-0 -> Ds-K2*(+), (1.1(-0.4-0.2-0.1)(+0.4+0.1+0.1)) x10(-6) for Bs ->(D) over bar (00)(a2) and (2.3(-0.8-0.4-0.1)(+0.8+0.2+0.1)) x10(-6) for B-s -> D(-)a(2)(+). They are large enough to be measured in the ongoing experiment. Due to the shortage of contributions from penguin operators, there are no direct CP asymmetries for these decays in the Standard Model. We also derive simple relations among these decay channels to reduce theoretical uncertainties for the experiments, to test the accuracy of theory, and to search for a signal of new physics.
收录类别SCI
WOS记录号WOS:000314891200004
引用统计
被引频次:3[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/311005/224483
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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GB/T 7714
Zou ZT,Zhou R,吕才典;Zou, ZT,et al. Pure annihilation type decays B-0 -> Ds-K2*(+) and B-s ->(D)over-bara(2) in the perturbative QCD approach[J]. CHINESE PHYSICS C,2013,37(1):13103.
APA 邹芝田,周锐,吕才典;Zou, ZT,Zhou, R,&Lu, CD.(2013).Pure annihilation type decays B-0 -> Ds-K2*(+) and B-s ->(D)over-bara(2) in the perturbative QCD approach.CHINESE PHYSICS C,37(1),13103.
MLA 邹芝田,et al."Pure annihilation type decays B-0 -> Ds-K2*(+) and B-s ->(D)over-bara(2) in the perturbative QCD approach".CHINESE PHYSICS C 37.1(2013):13103.
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