Feasibility of the experimental study of decay

Yueling Yang; Kang Li; Zhenglin Li; Jinshu Huang; Junfeng Sun

doi:10.1140/epjc/s10052-022-10524-5

2024 Impact factor 4.8

Particles and Fields

Open Access

Eur. Phys. J. C (2022) 82: 555
https://doi.org/10.1140/epjc/s10052-022-10524-5

Regular Article - Theoretical Physics

Feasibility of the experimental study of $D_{s}^{} \to ϕ π$ $D_{s}^{}\rightarrow {\phi }{\pi }$ decay

Yueling Yang¹^a, Kang Li¹, Zhenglin Li¹, Jinshu Huang² and Junfeng Sun¹^e

¹ Institute of Particle and Nuclear Physics, Henan Normal University, 453007, Xinxiang, China
² School of Physics and Electronic Engineering, Nanyang Normal University, 473061, Nanyang, China

^a yangyueling@htu.edu.cn
^e sunjunfeng@htu.edu.cn

Received: 2 May 2022
Accepted: 15 June 2022
Published online: 24 June 2022

Abstract

The current knowledge on the $D_{s}^{*}$ $D_{s}^{*}$ meson are very limited. Besides the dominant electromagnetic decays, the $D_{s}^{*}$ $D_{s}^{*}$ weak decays are legal and offer the valuable opportunities to explore the wanted $D_{s}^{*}$ $D_{s}^{*}$ meson. In this paper, the $D_{s}^{*} \to ϕ π$ $D_{s}^{*}\rightarrow {\phi }{\pi }$ decay was studied with the factorization approach. It is found that the branching ratio $B (D_{s}^{*} \to ϕ π)$ ${\mathcal {B}}(D_{s}^{*}\rightarrow {\phi }{\pi })$ $\sim$ ${\sim }$ $O (10^{- 7})$ ${\mathcal {O}}(10^{-7})$ , which corresponds to several thousands of events at the $e^{+} e^{-}$ $e^{+}e^{-}$ collider experiments including STCF, SuperKEKB, CEPC and FCC-ee, and several millions of events at the hadron collider experiments, such as LHCb@HL-LHC. It is feasible to experimentally study the $D_{s}^{*} \to ϕ π$ $D_{s}^{*}\rightarrow {\phi }{\pi }$ weak decay in the future, even considering the identification efficiency.

© The Author(s) 2022

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