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J/psi suppression in p-A collisions from parton energy loss in cold QCD matter

Abstract : The effects of energy loss in cold nuclear matter on J/psi suppression in p-A collisions are studied. A simple model based on first principles and depending on a single free parameter is able to reproduce J/psi suppression data at large xF and at various center-of-mass energies. These results strongly support energy loss as a dominant effect in quarkonium suppression. They also give some hint on its hadroproduction mechanism suggesting color neutralization to happen on long time-scales. Predictions for J/psi and Upsilon suppression in p-Pb collisions at the LHC are made.
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Contributor : Dominique Girod <>
Submitted on : Monday, April 23, 2012 - 2:27:55 PM
Last modification on : Friday, November 13, 2020 - 6:30:04 PM

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F. Arleo, S. Peigné. J/psi suppression in p-A collisions from parton energy loss in cold QCD matter. Physical Review Letters, American Physical Society, 2012, 109, pp.122301. ⟨10.1103/PhysRevLett.109.122301⟩. ⟨in2p3-00690410⟩

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