Regular Article - Theoretical Physics
CP violation in non-leptonic decays to excited final states
School of Physics, Harbin Institute of Technology, 150001, Harbin, China
2 Center for Theoretical Physics, College of Physics, Jilin University, 130012, Changchun, China
3 School of Electrical and Information Engineering, North Minzu University, 750021, Yinchuan, China
Accepted: 9 April 2021
Published online: 20 April 2021
We study the CP violation in two-body nonleptonic decays of meson. We concentrate on the decay channels which contain at least one excited heavy meson in the final states. Specifically, the following channels are considered: , , , , and . The improved Bethe-Salpeter method is applied to calculate the hadronic transition matrix element. Our results show that some decay modes have large branching ratios, which is of the order of . The CP violation effect in , , and are most likely to be found. If the detection precision of the CP asymmetry in such channels can reach the level, at least events are needed.
© The Author(s) 2021
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