Evidence for exotic Hadron contributions to Λ_{b}^{0}→J/ψpπ^{-} decays (Physical Review Letters, 2016)

(untitled) - Aaij, R; Abellán Beteta, C; Adeva, B; Adinolfi, M; Ajaltouni, Z; Akar, S; Albrecht, J; Alessio, F; Alexander, M; Ali, S; Alkhazov, G; Alvarez Cartelle, P; et al.