Observation of a new excited $D_s^{+}$ meson in $B^0\to D^{-}{D}^{+}{K}^{+}{\pi }^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +961

Using $pp$ collision data corresponding to an integrated luminosity of $5.4{\mathrm{fb}}^{-1}$ collected with the LHCb detector at a center-of-mass energy of $13\mathrm{TeV}$, the $B^0…