LHCb reports the first experimental evidence for the Bs0 to K- pi+ gamma decay with 3.5 sigma significance and measures its branching fraction ratio to the B0 decay in two mass ranges.
Aaijet al.,Strong constraints on the b→sγ photon polarisa- tion fromB 0 →K ∗0e+e− decays, JHEP12(2020) 081,arXiv:2010.06011
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First evidence of the $B_s^0\rightarrow K^-\pi^+\gamma$ decay
LHCb reports the first experimental evidence for the Bs0 to K- pi+ gamma decay with 3.5 sigma significance and measures its branching fraction ratio to the B0 decay in two mass ranges.