Observation of exotic J/ψφ resonances in diffractive processes in proton-proton collisions

The first study of J/\psi\phi production in diffractive processes in proton-proton collisions is presented. The study is based on an LHCb dataset recorded at centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5 fb^{-1}. The data disfavour a nonresonant J/\psi\phi production but are consistent with a resonant... Show more