Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2010-12-20
Eur.Phys.J. Conf. 13, 07002,2011
Physics
Nuclear Physics
Nuclear Theory
6 pages, 3 figures, to appear in the proceedings of the Workshop on 'Hot & Cold Baryonic Matter 2010' (HCBM 2010), Budapest (H
Scientific paper
The double-peak structure observed in soft-hard dihadron correlations was recently studied intensively in order to learn more about the jet-induced medium excitation in ultrarelativistic heavy-ion collisions. Experimental data shows that the double-peak structure obtained for soft trigger particles coalesces into one peak for harder trigger particles. We demonstrate that this effect occurs when averaging over many jet events in a transversally expanding background, while a hot spot scenario always leads to two distinct peaks. This suggests to study soft-hard correlations induced by heavy-flavor jets with those generated by light-flavor jets at RHIC and LHC in order to really disentangle medium effects from jets.
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