Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-08-29
Physics
High Energy Physics
High Energy Physics - Phenomenology
Presented at Panic 11
Scientific paper
We have implemented the LPM effect into a microscopic transport model with partonic degrees of freedom by following the algorithm of Zapp & Wiedemann. The Landau-Pomeranchuk-Migdal (LPM) effect is a quantum interference process that modifies the emission of radiation in the presence of a dense medium. In QCD this results in a quadratic length dependence for radiative energy loss. This is an important effect for the modification of jets by their passage through the QGP. We verify the leading parton energy loss in the model against the leading order Baier-Dokshitzer-Mueller-Peigne-Schiff-Zakharov (BDMPS-Z) result. We apply our model to the recent observations of the modification of di-jets at the LHC.
Bass Steffen A.
Coleman-Smith Christopher E.
Müller Berndt
Qin G-Y.
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