Related paper First measurement of jet mass in Pb-Pb and p-Pb collisions at the LHC Comparison of the mean jet mass in \PbPb{} collisions to detector-level embedded PYTHIA jets, for anti-\kt{} charged jets with $R=0.4$ in 10\% most central \PbPb{} collisions. Background subtraction with the area-based method [png] [pdf]