LineNumber,VariableName,Type,Description 1,ambiguityLink,vector<ElementLink<DataVector<xAOD::Egamma_v1> > >,Links Photon<-> Electron when ambiguous 2,pt,vector<float>,Photon kinematics 3,eta,vector<float>,Photon kinematics 4,phi,vector<float>,Photon kinematics 5,m,vector<float>,Photon mass (0) 6,ptcone20,vector<float>,Photon track isolation 7,topoetcone20,vector<float>,Photon topo isolation within a cone of 0.2 8,topoetcone40,vector<float>,Photon topo isolation within a cone of 0.4 9,f1,vector<float>,Photon: ratio of the energy measured in the first layer of the EM to the total energy of the EM cluster 10,truthType,vector<int>,MCTC (Monte Carlo Truth Classifier) type of matched truth particle 11,truthOrigin,vector<int>,MCTC (Monte Carlo Truth Classifier) origin of matched truth particle 12,truthParticleLink,vector<ElementLink<DataVector<xAOD::TruthParticle_v1> > >,Link from photon to corresponding truth object 13,topoetcone20_CloseByCorr,vector<float>,Photon topo isolation within R=0.2 (calo-based) with close-by lepton correction 14,ptcone20_CloseByCorr,vector<float>,Photon fixed radius (0.2) track-based isolation with close-by lepton correction 15,topoetcone40_CloseByCorr,vector<float>,Photon topo isolation within R=0.4 (calo-based) with close-by lepton correction 16,DFCommonPhotonsCleaning,vector<char>,Full cleaning decision (includes timing) 17,DFCommonPhotonsIsEMLoose,vector<char>,Identification decision 18,TruthLink,vector<ElementLink<DataVector<xAOD::TruthParticle_v1> > >,Link from photon to corresponding truth object 19,caloClusterLinks,vector<vector<ElementLink<DataVector<xAOD::CaloCluster_v1> > > >,Photon/electron -> Cluster 20,author,vector<unsigned short>,Almost surely a photon or ambiguous with electron 21,OQ,vector<unsigned int>,Cluster quality 22,topoetcone20ptCorrection,vector<float>,"Leakage correction for topo isolation, R = 0.2" 23,topoetcone40ptCorrection,vector<float>,"Leakage correction for topo isolation, R = 0.4" 24,vertexLinks,vector<vector<ElementLink<DataVector<xAOD::Vertex_v1> > > >,Photon -> vertex 25,DFCommonPhotonsIsEMTight,vector<char>,Identification decision 26,DFCommonPhotonsIsEMTightIsEMValue,vector<unsigned int>,Word to find which cuts did not pass (cut-based) 27,DFCommonPhotonsCleaningNoTime,vector<char>,Cleaning decision (no requirement on timing) 28,DFCommonPhotonsIsEMMedium,vector<char>,Identification decision