paper

Radiative energy loss of high energy quarks in finite-size nuclear matter and quark-gluon plasma

arXiv:hep-ph/9704255 · doi:10.1134/1.567389

Abstract

The induced gluon radiation of a high energy quark in a finite-size QCD medium is studied. For a sufficiently energetic quark produced inside a medium we find the radiative energy loss , where L is the distance passed by quark in the medium. It has a weak dependence on the initial quark energy . The dependence turns to as the quark energy decreases. Numerical calculations are performed for a cold nuclear matter and a hot quark-gluon plasma. For a quark incident on a nucleus we predict , with close to unity.

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