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15–19 Nov 2021
Institute of High Energy Physics (IHEP), CAS
Asia/Shanghai timezone

Detecting the pure triangle singularity effect through the ψ(2S) decay

Not scheduled
15m
Institute of High Energy Physics (IHEP), CAS

Institute of High Energy Physics (IHEP), CAS

19B Yuquan Road, Shijingshan District, Beijing, China
Parallel-Hadron Structure

Speaker

佳俊 吴 (University of Chinese Academy of Sciences)

Description

In this talk, the triangle singularity mechanism is investigated in the two reactions of ψ decay, ψ(2S) → $p \bar{p} \eta$ and ψ(2S) →π +π−K+K−. They would generate a very narrow peak in the invariant mass spectrum of final states. In these processes, all the involved vertices are constrained by the experimental data. Thus, we can make a precise prediction here. We expect these effects can be observed by the Beijing Spectrometer and Super Tau-Charm Facility in the future.

Primary author

佳俊 吴 (University of Chinese Academy of Sciences)

Presentation materials

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