Abstract
Highly energetic jets produced in nuclear collisions are considered to be a direct probe of hot and dense QCD medium created in these collisions. Jet measurements performed both at the LHC and RHIC indicate a presence of “jet quenching” – strong energy loss of fast partons in the hot and dense QCD medium. This note reports study of properties of the multi-jet production in heavy ion collisions presented in terms of jet angular correlations . The jet angular correlations are a valuable tool to study the beyond-leading-order effects in QCD and are expected to shed a light on the process of the parton energy loss. The study is performed using Pb + Pb data collected in 2011 by the ATLAS detector at the center of mass energy of 2.76 TeV.
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