Observation of the $Ξ_c^0 \to pK^-$ decay and measurement of its decay asymmetry
LHCb collaboration, R. Aaij, M. Abdelfatah, A. S. W. Abdelmotteleb et autres
A search for the Cabibbo-suppressed decay $Ξ_c^0 \to pK^-$ is performed using $pp$ collision data corresponding to an integrated luminosity of $5.4\,\mathrm{fb}^{-1}$, collected by the LHCb experiment at a centre-of-mass energy of $13\,\mathrm{TeV}$. The decay is observed for the first time and …
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arXiv (Cornell University)