The nonleptonic two body B decays involving a light tensor meson in final states
Zou, ZT; 吕才典;Lu, CD
刊名CHINESE SCIENCE BULLETIN
2014
卷号59期号:29-30页码:3738-3747
关键词PQCD Tensor meson CP violation Transverse polarizations
学科分类Science & Technology - Other Topics
DOI10.1007/s11434-014-0423-2
英文摘要The nonleptonic two body decays involving a light tensor meson in final states are studied in the perturbative QCD approach based on factorization. The decay modes with a tensor meson emitted, are prohibited in naive factorization, since the emission diagram with a tensor meson produced from vacuum is vanished. While contributions from the so-called hard scattering emission diagrams and annihilation type diagrams are important and calculable in the perturbative QCD approach. The branching ratios of most decays are in the range of -, which are bigger by 1 or 2 orders of magnitude than the predictions given by the naive factorization, but consistent with the predictions from the QCD factorization and the recent experimental measurements. We also give the predictions for the direct asymmetries, some of which are large enough for the future experiments to measure. We also find that, even with a small mixing angle, the mixing between and can bring remarkable changes to both branching ratios and the direct asymmetries for some decays involving mesons. For decays with a vector meson and a tensor meson in final states, we predict a large percentage of transverse polarization contributions due to the contributions of the orbital angular momentum of the tensor mesons.
收录类别SCI
WOS记录号WOS:000342145200005
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被引频次:4[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/311005/224968
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,吕才典;Lu, CD. The nonleptonic two body B decays involving a light tensor meson in final states[J]. CHINESE SCIENCE BULLETIN,2014,59(29-30):3738-3747.
APA Zou, ZT,&吕才典;Lu, CD.(2014).The nonleptonic two body B decays involving a light tensor meson in final states.CHINESE SCIENCE BULLETIN,59(29-30),3738-3747.
MLA Zou, ZT,et al."The nonleptonic two body B decays involving a light tensor meson in final states".CHINESE SCIENCE BULLETIN 59.29-30(2014):3738-3747.
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