Study of coherent $J/\ddot{I}ˆ$ production in lead-lead collisions at $\sqrt{s_{NN}}=5TeV$

R. Aaij, C. Abellán Beteta, T. Ackernley +946

Coherent production of $J/\ddot{I}ˆ$ mesons is studied in ultraperipheral lead-lead collisions at a nucleon-nucleon centre-of-mass energy of 5 TeV, using a data sample collected by the LH…