Figure Information Scope: PWG PWG-EM (Electromagnetic probes) Energy 5.02 TeV System Pb-Pb Figure Group Direct photon R_gamma in PbPb 5.02TeV Figure Image Figure image (.eps) ALLDR_0.eps Figure image (.pdf) ALLDR_0.pdf Figure Caption Direct photon double ratios in PbPb 5.02TeV from PCM, all centrality classes