Feasibility of the experimental study of $D_{s}^{\ast}$ ${\to}$ $ϕπ$ decay
Yueling Yang,
Kang Li,
Zhenglin Li
et al.
Abstract:The current knowledge on the D * s meson are very limited. Besides the dominant electromagnetic decays, the D * s weak decays are legal and offer the valuable opportunities to explore the wanted D * s meson. In this paper, the D * s → φπ decay was studied with the PQCD approach. It is found that the branching ratio B(D * s →φπ) ∼ O(10 −7 ), which corresponds to several thousands of events at the e + e − collider experiments including STCF, SuperKEKB, CEPC and FCC-ee, and several millions of events at the hadro… Show more
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