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Theoretical Particle Physics

Publications

Gluon saturation effects on the color singlet J/Psi production in high energy dA and AA collisions

Publicaciones

Gluon saturation effects on the color singlet J/Psi production in high energy dA and AA collisions

Research areas:

Física Teórica de Partículas

Year:

2012

Type of Publication:

In Proceeding

Authors:

  • F. Dominguez
  • D. E. Kharzeev
  • Eugeny Levin
  • A. H. Mueller
  • K. Tuchin

Journal:

Phys.Lett.

Volume:

B710

Pages:

11

Abstract:

We derive the formulae for the cross section of J/Psi production in high energy pA and AA collisions taking into account the gluon saturation/color glass condensate effects. We then perform the numerical calculations of the corresponding nuclear modification factors and find a good agreement between our calculations and the experimental data on J/Psi production in dA collisions. We also observe that cold nuclear modification effects alone cannot describe the data on J/Psi production in AA collisions. Additional final state suppression (at RHIC) and enhancement (at LHC) mechanisms are required to explain the experimental observations.

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