Observation of a New Excited Beauty Strange Baryon Decaying to$\Xi^-_\mathrm{b} \pi^+ \pi^-$

The CMS collaboration
Phys.Rev.Lett. 126 (2021) 252003, 2021.

Abstract (data abstract)
CERN-LHC-CMS. Observation of a new excited beautiful strange baryon decaying to Xib- pi+ pi-.

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