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Phenomenological evidence for gluon depletion in pA collisions



Phenomenological evidence for gluon depletion in pA collisions



Physical Review Letters 85(19): 4008-4011



The data of J/psi suppression at large x(F) in pA collisions are used to infer the existence of gluon depletion as the projectile proton traverses the nucleus. The modification of the gluon distribution is studied by use of a convolution equation whose nonperturbative splitting function is determined phenomenologically. The depletion factor at x(1) = 0.8 is found to be about 25% at A = 100.

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Accession: 046973403

Download citation: RISBibTeXText

PMID: 11056611

DOI: 10.1103/physrevlett.85.4008


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