Modification of ${\rm Y}$ production in $p$O and OO collisions at LHCb

LHCb collaboration, R. Aaij, M. Abdelfatah +1161

The production rates of ${\rm Y}(2S)$ and ${\rm Y}(3S)$ mesons relative to that of the ${\rm Y}(1S)$ state are measured in $pp$, $p$O, and OO collisions by the LHCb collaboratio…