Observation of the $\Xi_ c^0\to pK^-$ decay and measurement of its asymmetry parameter
Roel Aaij, Mohammed Abdelfatah, Ahmed Sameh Wagih Abdelmotteleb, Carlos Abellan Beteta et autres
A search for the Cabibbo-suppressed decay $\Xi_c^0 \to p K^-$ 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 …
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