Chinese Physics C > 2018, Vol. 42 > Issue(11): 113102 DOI: 10.1088/1674-1137/42/11/113102

B_u→ψMdecays andS-Dwave mixing effects

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Institute of Particle and Nuclear Physics, Henan Normal University, Xinxiang 453007, China

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Abstract：
The B _u→ ψMdecays are studied with the perturbative QCD approach, where the psion ψ= ψ(2 S), ψ(3770), ψ(4040) and ψ(4160), and the light meson M= π, K, ρand K ^*. The factorizable and non-factorizable contributions, and the S-Dwave mixing effects on the psions, are considered in the calculation. With appropriate inputs, the branching ratios for the B _u→ ψKdecays are generally coincident with the experimental data within errors. However, due to the large theoretical and experimental errors, it is impossible for the moment to give a severe constraint on the S-Dwave mixing angles.
- B meson,
- weak decay,
- psion,
- perturbative QCD

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Yueling Yang, Yupei Guo, Junfeng Sun, Na Wang, Qin Chang and Gongru Lu. B _u→ ψMdecays and S-Dwave mixing effects[J]. Chinese Physics C, 2018, 42(11): 113102. doi: 10.1088/1674-1137/42/11/113102

Yueling Yang, Yupei Guo, Junfeng Sun, Na Wang, Qin Chang and Gongru Lu. B _u→ ψMdecays and S-Dwave mixing effects[J]. Chinese Physics C, 2018, 42(11): 113102. doi:10.1088/1674-1137/42/11/113102 shu

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Received: 2018-06-21

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Supported by the National Natural Science Foundation of China (11705047, U1632109, 11547014, 11475055) and Open Research Program of Large Research Infrastructures (2017), Chinese Academy of Sciences

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

B_u→ψMdecays andS-Dwave mixing effects

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