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CERN Heavy Ion Forum
Photons and Gluons in pA Collisions - saturation and suppression
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Europe/Zurich
40-S2-B01 (CERN)
40-S2-B01
CERN
Description
Inclusive dilepton and direct photon production in proton (quark)-nucleus collisions at high energies in the very forward rapidity region is discussed. These processes are sensitive to large gluon densities in the nucleus (small-x physics) and are efficiently described in the kt-factorization formalism. Starting from the calculation in the quasi-classical approximation (McLerran-Venugopalan model), low-x evolution and saturation effects in the nucleus are included.
Already at RHIC energies significant suppression, i.e. gluon shadowing, and anomalous scaling with A of the hard production rates are predicted when compared to pp collisions.
Organiser(s): Yiota Foka and Urs Achim Wiedemann
More information: http://home.cern.ch/a/alicedoc/www/chic/
Already at RHIC energies significant suppression, i.e. gluon shadowing, and anomalous scaling with A of the hard production rates are predicted when compared to pp collisions.
Organiser(s): Yiota Foka and Urs Achim Wiedemann
More information: http://home.cern.ch/a/alicedoc/www/chic/