Quarkonia Photoproduction at Nucleus Colliders

  • David d’Enterria
  • Published 2008


Exclusive photoproduction of heavy quarkonia in high-energy ultraperipheral ion-ion interactions (γ A → V A, where V = J/ψ,Υ and the nucleus A remains intact) offers a useful means to constrain the small-x nuclear gluon density. We discuss [1] preliminary results on J/ψ photoproduction in Au-Au collisions at RHIC [2], as well as full… (More)


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