EPJ Web of Conferences
Volume 13, 2011HCBM 2010 – International Workshop on Hot and Cold Baryonic Matter
|Number of page(s)||5|
|Published online||19 April 2011|
Deflected Jets or Hot Spots? Conical Correlations of Hard Trigger Particles
Department of Physics, Columbia University, New York, 10027, USA
a e-mail: firstname.lastname@example.org
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.
© Owned by the authors, published by EDP Sciences, 2011
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