Observation of the annihilation decay mode B0→K+K−. (Physical Review Letters, 2017)

(untitled) - Aaij, R; Adeva, B; Adinolfi, M; Evans, T; Gandini, P; Gruberg Cazon, B; Hadavizadeh, T; Harnew, N; Hill, D; Jalocha, P; John, M; Malde, S; et al.