Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2011-06-30
Physics
Nuclear Physics
Nuclear Experiment
4 pages, 2 figures, proceedings for Quark Matter 2011
Scientific paper
Advancements in full jet reconstruction have made it possible to use jets as triggers in azimuthal angular correlations to study the modification of hard-scattered partons in the medium created in ultrarelativistic heavy-ion collisions. This increases the range of parton energies accessible in these analyses and improves the signal-to-background ratio compared to dihadron correlations. Results of a systematic study of jet-hadron correlations in central Au-Au collisions at sqrt(s_NN) = 200 GeV are indicative of a broadening and softening of jets which interact with the medium. Furthermore, jet-hadron correlations suggest that the suppression of the associated hadron yield at high-pT is balanced in large part by low-pT enhancement.
for the STAR Collaboration
Ohlson Alice
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