Effective lifetime measurements in the B_s^0 → K^+K^-, B^0 → K^+π^- and B_s^0 → π^+K^- decays - Aaij, R; Adeva, B; Adinolfi, M; Affolder, A; Ajaltouni, Z; Albrecht, J; Alessio, F; Alexander, M; Ali, S; Alkhazov, G; Cartelle, P; Jr, A; et al. (Phys.Lett.B, 2014)