Regular Article - Theoretical Physics
Study of the and decays
Chongqing University of Posts and Telecommunications, 400065, Chongqing, China
2 School of Physics and Information Engineering, Shanxi Normal University, 041004, Linfen, China
3 School of Physics and Microelectronics, Zhengzhou University, 450001, Zhengzhou, Henan, China
Accepted: 30 November 2021
Published online: 12 December 2021
We study , , and the resonant , decays. In the final state interaction, where are followed by the to rescatterings, we predict . Due to the cancellation of the rescattering effects and the suppressed short-distance W annihilation contribution, we expect that . In our calculation, agrees with the data, whereas is 10 times smaller than the observation, which requires a careful examination.
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