Regular Article - Theoretical Physics
Production of in B and decays
School of Physics and Center of High Energy Physics, Peking University, 100871, Beijing, China
2 School of Physics, Southeast University, 210094, Nanjing, China
3 Lanzhou Center for Theoretical Physics, Lanzhou University, 730000, Lanzhou, China
4 College of Physics and Engineering, Qufu Normal University, 273165, Qufu, China
Accepted: 23 May 2022
Published online: 10 June 2022
In the present work, we investigate the productions of in and decays, where is assigned as a molecular state. By using an effective Lagrangian approach, we evaluate the branching fractions of and via the triangle loop mechanism. The estimated branching fractions of and are of the order of and , respectively. The ratio of these two branching fractions is estimated to be about 4, which indicate that the may be a better process of searching and accessible for further experimental measurements of the Belle II and LHCb Collaborations.
© The Author(s) 2022
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