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Aug 16 – 21, 2019
Guilin Bravo Hotel, Guilin, China
Asia/Shanghai timezone

Observations of new hyperons at Belle

Aug 18, 2019, 2:00 PM
25m
Guihu Room (Guilin Bravo Hotel, Guilin, China)

Guihu Room

Guilin Bravo Hotel, Guilin, China

14 South Ronghu Road, Xiangshan, Guilin 541002, Guangxi, China
Leading parallel Session 2: Baryon spectroscopy Session 2: Baryon sepctroscopy

Speaker

Dr Chengping Shen (Fudan University)

Description

The spectrum of hyperon with S=-2,-3 are still not well known. The large data sample accumulated by the Belle experiment at KEKB asymmetric energy $e^+ e^-$ collider provide a unique opportunity to study these hyperons. In this presentation, we report observation and evidence of $\Xi(1620)$ and $\Xi(1690)$ in the $\Xi_c \to \Xi\pi\pi$ decay, and observation of new excited Omega- baryon decaying into Xi K produced from bottomonium decay.

Primary author

Dr Chengping Shen (Fudan University)

Presentation materials