https://doi.org/10.1140/epjc/s10052-024-12796-5
Regular Article - Theoretical Physics
Production of 
in B nonleptonic decays
1
Department of Physics, Hebei University, 071002, Baoding, China
2
Hebei Key Laboratory of High-precision Computation and Application of Quantum Field Theory, 071002, Baoding, China
3
Hebei Research Center of the Basic Discipline for Computational Physics, 071002, Baoding, China
4
School of Physics, Harbin Institute of Technology, 150001, Harbin, China
Received:
24
March
2024
Accepted:
11
April
2024
Published online:
6
May
2024
In 2021, a new charm-strange meson, , was discovered, which is believed to be the 
. However, its low mass and wide width are challenged by theoretical results. Given the small branching ratio of the current production channel, resulting in a small number of events and large errors, we suggest searching for the in the B meson nonleptonic decays, 
(
), followed by 
. We find that 
is very large, and the result is not sensitive to the mass of . Due to the large branching ratio, numerous events are expected. This study is based on the framework of the instantaneous Bethe–Salpeter equation, and the relativistic wave functions used for mesons contain different partial waves. The contributions of the different partial waves are also studied.
© The Author(s) 2024
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