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Heavy quarks in proton-nucleus collisions - the hybrid formalism

Authors: 
T. Altinoluk
N. Armesto
G. Beuf
A. Kovner
M. Lublinsky
Abstract: 
We explore the quark mass effects on inclusive hadron production in proton-nucleus collisions at high energies. We consider two processes. First, we compute the single inclusive cross-section for production of hadrons with open heavy flavour in the proton forward direction at leading order. Next, in the same kinematics, we calculate the heavy-quark contribution to single inclusive production of light or unidentified hadrons at next-to-leading-order. For both studies we exploit the hybrid formalism, that is the collinear factorisation on the proton side while high-density and high-energy effects are resummed on the side of the nucleus.
Date of publication: 
31/03/2016
Published in: 
Phys. Rev. D 93, 054049 (2016)