Radiative Energy Loss in a Finite Dynamical QCD Medium

Journal Article · Fri Jul 11 04:00:00 EDT 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.101.022302· OSTI ID:21134106

Djordjevic, Magdalena ^[1]; Heinz, Ulrich ^[1]

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1. Physics Department, Ohio State University, Columbus, Ohio 43210 (United States)

The radiative energy loss of a quark jet traversing a finite size QCD medium with dynamical constituents is calculated to first order in opacity. Although finite size corrections reduce the energy loss relative to an infinite dynamical QCD medium, under realistic conditions it remains significantly larger than in a static medium. Quantitative predictions of jet suppression in relativistic heavy ion collisions must therefore account for the dynamics of the medium's constituents. Finite size effects are shown to induce a nonlinear path length dependence of the energy loss. Our results suggest a simple general mapping between energy loss expressions for static and dynamical QCD media.

• OSTI ID: 21134106
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 2 Vol. 101; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CORRECTIONS
ENERGY LOSSES
HEAVY ION REACTIONS
NONLINEAR PROBLEMS
QUANTUM CHROMODYNAMICS
QUARKS
RELATIVISTIC RANGE