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High Energy Physics - Phenomenology

arXiv:1503.05958 (hep-ph)
[Submitted on 19 Mar 2015]

Title:Jet Structure in Heavy Ion Collisions

Authors:Jean-Paul Blaizot, Yacine Mehtar-Tani
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Abstract:We review recent theoretical developments in the study of the structure of jets that are produced in ultra relativistic heavy ion collisions. The core of the review focusses on the dynamics of the parton cascade that is induced by the interactions of a fast parton crossing a quark-gluon plasma. We recall the basic mechanisms responsible for medium induced radiation, underline the rapid disappearance of coherence effects, and the ensuing probabilistic nature of the medium induced cascade. We discuss how large radiative corrections modify the classical picture of the gluon cascade, and how these can be absorbed in a renormalization of the jet quenching parameter $\hat q $. Then, we analyze the (wave)-turbulent transport of energy along the medium induced cascade, and point out the main characteristics of the angular structure of such a cascade. Finally, color decoherence of the in-cone jet structure is discussed. Modest contact with phenomenology is presented towards the end of the review.
Comments: Review to appear in QGP 5, 55 pages, 15 figures
Subjects: High Energy Physics - Phenomenology (hep-ph); Nuclear Theory (nucl-th)
Report number: INT-PUB-15-006
Cite as: arXiv:1503.05958 [hep-ph]
  (or arXiv:1503.05958v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1503.05958
Related DOI: https://doi.org/10.1142/S021830131530012X

Submission history

From: Yacine Mehtar-Tani [view email]
[v1] Thu, 19 Mar 2015 22:05:42 UTC (874 KB)
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