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Heavy Quark Energy Loss in Nuclear Medium

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arxiv nucl-th/0309040 v2 pith:KQEZ7ANB submitted 2003-09-16 nucl-th hep-ph

classification nucl-thhep-ph
keywords quarkenergyheavylossmediumdependencegluonmass
verification ladder T0 review T1 audit T2 compute T3 formal
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Multiple scattering, modified fragmentation functions and radiative energy loss of a heavy quark propagating in a nuclear medium are investigated in perturbative QCD. Because of the quark mass dependence of the gluon formation time, the medium size dependence of heavy quark energy loss is found to change from a linear to a quadratic form when the initial energy and momentum scale are increased relative to the quark mass. The radiative energy loss is also significantly suppressed relative to a light quark due to the suppression of collinear gluon emission by a heavy quark.

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Cited by 10 Pith papers

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