Search for excited $B_c^{+}$ states

LHCb collaboration, R. Aaij, B. Adeva +792

A search is performed in the invariant mass spectrum of the $B_c^{+}{\pi }^{+}{\pi }^{-}$ system for the excited $B_c^{+}$ states $B_c(2^1{S}_0{)}^{+}$ and $B_c(2^3{S}_1{)}^{+}$ using a data sam…