Relating the description of gluon production in pA collisions and parton energy loss in AA collisions

Abstract

We calculate the classical gluon field of a fast projectile passing through a dense medium. We show that this allows us to calculate both the initial state gluon production in proton-nucleus collisions and the final state gluon radiation off a hard parton produced in nucleus-nucleus collisions. This unified description of these two phenomena makes the relation between the saturation scale $Q_s$ and the transport coefficient $\hat{q}$ more transparent. Also, we discuss the validity of the eikonal approximation for gluon propagation inside the nucleus in proton-nucleus collisions at RHIC energy.

18 pages, 3 figures

Cited by in corpus (14)

• Antiangular Ordering of Gluon Radiation in QCD Media
• Next-to-eikonal corrections in the CGC: gluon production and spin asymmetries in pA collisions
• Jet quenching and broadening: the transport coefficient $\hat{q}$ in an anisotropic plasma
• Revisiting transverse momentum broadening in dense QCD media
• Jet broadening in dense inhomogeneous matter
• Jet Broadening in Flowing Matter -- Resummation
• Interference between initial and final state radiation in a QCD medium
• Medium-induced emissions of hard gluons
• Particle correlations from the initial state
• Multiparticle production in proton-nucleus collisions beyond eikonal accuracy
• Multi-particle production in proton-nucleus collisions in the Color Glass Condensate
• Quantum to classical parton dynamics in QCD media
• Jet evolution in a dense QCD medium
• Memory effect in Yang-Mills theory with an axion