Nuclear Shadowing in Exclusive Processes
We show that exclusive photoproduction of J/ψ in ultraperipheral collisions of heavy ions at the LHC constrains the nuclear gluon density at small x and gives evidence of large nuclear gluon shadowing.
We show that exclusive photoproduction of J/ψ in ultraperipheral collisions of heavy ions at the LHC constrains the nuclear gluon density at small x and gives evidence of large nuclear gluon shadowing.