Measurement of the branching fraction of the $$ {\Lambda}_b^0\to J/\psi \Lambda $$ decay and isospin asymmetry of B → J/ψK decays
R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres
nl, gb, ch, us, es, se, fr, pl, it, de, lt, br, cn, cz, ua (code pays fourni par la source)