Advancing QCD-based calculations of energy loss

Abstract

We give a brief overview of the basics and current developments of QCD-based calculations of radiative processes in medium. We put an emphasis on the underlying physics concepts and discuss the theoretical uncertainties inherently associated with the fundamental parameters to be extracted from data. An important area of development is the study of the single-gluon emission in medium. Moreover, establishing the correct physical picture of multi-gluon emissions is imperative for comparison with data. We will report on progress made in both directions and discuss perspectives for the future.

8 pages, 2 figures, plenary talk at the confererence "Hard Probes 2012", Cagliari, Sardinia, Italy, 27 May - 1 June 2012

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