On a Wilson lines approach to the study of jet quenching
Abstract
We address the geometrical structure of the "skewed" correlator of two space-like separated (almost) oppositely directed Wilson lines. Similar objects occur in the analysis of the transverse-momentum broadening probability function, the first moment of which is associated with the jet quenching parameter. We start from the Euclidean space formulation and then transform the result to the Minkowski light-cone geometry, arguing that this procedure is consistent in the leading order of the perturbative expansion. We discuss as well the issues of the UV, rapidity and IR singularities, and possible use of the proposed approach in lattice simulations.
Keywords
Cite
@article{arxiv.1307.5518,
title = {On a Wilson lines approach to the study of jet quenching},
author = {I. O. Cherednikov and J. Lauwers and P. Taels},
journal= {arXiv preprint arXiv:1307.5518},
year = {2014}
}
Comments
v1: 6 pages, no figures; v2: 7 pages, 1 eps figure, comparison with other methods added, references updated; v3: 11 pages, version accepted to Eur. Phys. J. C