Gluon Radiation off Massive Quarks in a QCD Medium
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Medium-induced gluon radiation from massless and massive quarks is treated in the same formalism. The dead cone which regulates gluon radiation from massive quarks in the vacuum at small angles, is filled in the medium but constitutes a small fraction of the available phase space. Our study indicates that the energy loss for charmed hadrons at RHIC should be smaller than for light hadrons, but still sizable.
4 pages, uses enclosed moriond.sty, 3 eps figures included using epsfig; presented by N. Armesto at the XXXIXth Rencontres de Moriond: QCD and High Energy Hadronic Interactions, La Thuile, March 28th-April 4th 2004, to appear in the proceedings
4 pages, uses enclosed moriond.sty, 3 eps figures included using epsfig; presented by N. Armesto at the XXXIXth Rencontres de Moriond: QCD and High Energy Hadronic Interactions, La Thuile, March 28th-April 4th 2004, to appear in the proceedings