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.
Charged multiplicities in pp and AA collisions at LHC
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abstract
The mid-rapidity charged particle multiplicities in pp and AA collisions at LHC energies are described in the framework of a generalized eikonal model with shadowing corrections incorporated in AA. We show that the pp data require a Pomeron intercept close to 1.2, higher than the conventional one close to 1.1. An $s^{0.11}$ energy dependence is obtained in the LHC range and beyond. The size and centrality dependence of the AA multiplicity at $\sqrt{s} = 2.76$ TeV is reproduced and its energy dependence is predicted.
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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.