Search for vector-like quarks in events with two oppositely charged leptons and jets in proton-proton collisions at root s=13TeV - Sirunyan, AM; Tumasyan, A; Adam, W; Ambrogi, F; Asilar, E; Bergauer, T; Brandstetter, J; Dragicevic, M; Eroe, J; Escalante, Del Valle A; Flechl, M; Fruehwirth, R; et al. (European Physical Journal C: Particles and Fields, 2019)