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10. chinaXiv:201711.02304 [pdf]

Prospects for rare and forbidden hyperon decays at BESIII

Hai-Bo Li
Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.

The study of hyperon decays at the Beijing Electron Spectrometer III (BESIII) is proposed to investigate the events of J/ψ decay into hyperon pairs, which provide a pristine experimental environment at the Beijing Electron–Positron Collider II. About 106–108 hyperons, i.e., Λ, Σ, Ξ, and ?, will be produced in the J/ψ and ψ(2S) decays with the proposed data samples at BESIII. Based on these samples, the measurement sensitivity of the branching fractions of the hyperon decays is in the range of 10?5–10?8. In addition, with the known center-of-mass energy and “tag technique,” rare decays and decays with invisible ?nal states can be probed.

submitted time 2017-11-10 Hits1298Downloads647 Comment 0

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