1. J/ψ production and suppression in high-energy proton-nucleus collisions.
- Author
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Yan-Qing Ma, Venugopalan, Raju, and Hong-Fei Zhang
- Subjects
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NUCLEAR size (Physics) , *COLLISIONS (Nuclear physics) , *QUANTUM chromodynamics , *PROTONS , *LARGE Hadron Collider , *PROTON-proton interactions - Abstract
We apply a color glass condensate+nonrelativistic QCD (CGC+NRQCD) framework to compute J/ψ production in deuteron-nucleus collisions at RHIC and proton-nucleus collisions at the LHC. Our results match smoothly at high p⊥ to a next-to-leading order perturbative QCD+NRQCD computation. Excellent agreement is obtained for p⊥ spectra at the RHIC and LHC for central and forward rapidities, as well as for the normalized ratio RpA of these results to spectra in proton-proton collisions. In particular, we observe that the RpA data are strongly bounded by our computations of the same for each of the individual NRQCD channels; this result provides strong evidence that our description is robust against uncertainties in initial conditions and hadronization mechanisms. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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