Abstract
Abstract We present the analysis of the semi-inclusive distribution of reconstructed charged particle jets recoiling from a high p T hadron trigger in central Pb–Pb collisions at s N N = 2.76 TeV measure, subtract and unfold the large underlying event background in such collisions, utilizing a novel technique that does not impose fragmentation bias on the measured jet population. The Pb–Pb measurements are compared to a pp PYTHIA reference distribution generated at the same s . Modification of the jet structure due to quenching is explored by varying the cone radius R ( 0.2 , 0.4 ) and the lower p T cutoff of the charged particle constituents ( 0.15 , 2.0 GeV / c ) .
Published Version
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