First observation of B0->J/ψK+K- and search for B0->J/ψφ\ decays (Phys. Rev. D, 2013)

(untitled) - collaboration, L; Aaij, R; Adeva, B; Adinolfi, M; Adrover, C; Affolder, A; Ajaltouni, Z; Albrecht, J; Alessio, F; Alexander, M; Ali, S; Alkhazov, G; et al.