Radiative diquark energy loss from induced gluon emission can partially fill the midrapidity dip in the net proton rapidity distribution in central AA collisions at sqrt(s) ~ 10 GeV, with the effect's size strongly dependent on the assumed gluon mass.
On the Energy Loss of High Energy Quarks in a Finite-Size Quark-Gluon Plasma
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abstract
We study within the light-cone path integral approach the induced gluon emission from a fast quark passing through a finite-size QCD plasma. We show that the leading log approximation used in previous studies fails when the gluon formation length becomes of the order of the length of the medium traversed by the quark. Calculation of the energy loss beyond the leading log approximation gives the energy loss which grows logarithmically with quark energy contrary to the energy independent prediction of the leading log approximation.
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Radiative parton energy loss and baryon stopping in $AA$ collisions
Radiative diquark energy loss from induced gluon emission can partially fill the midrapidity dip in the net proton rapidity distribution in central AA collisions at sqrt(s) ~ 10 GeV, with the effect's size strongly dependent on the assumed gluon mass.