void InitHistograms(AliDielectron *die, Int_t cutDefinition); void InitCF(AliDielectron* die, Int_t cutDefinition); void SetupCuts(AliDielectron *die, Int_t cutDefinition); AliESDtrackCuts *SetupESDtrackCuts(Int_t cutDefinition); AliDielectronPID *SetPIDcuts(Int_t cutDefinition); //start systematics TString names= ("Base;SPDboth;TPCshift;TOFtight;PhiVhard"); Bool_t kRot = 0; Bool_t kMix = 1; TObjArray *arrNames=names.Tokenize(";"); const Int_t nDie=arrNames->GetEntriesFast(); AliDielectron* Config_lowmasspp(Int_t cutDefinition=1) { // // Setup the instance of AliDielectron // // create the actual framework object TString name=Form("%02d",cutDefinition); if (cutDefinitionGetEntriesFast()){ name=arrNames->At(cutDefinition)->GetName(); } AliDielectron *die = new AliDielectron(Form("%s",name.Data()), Form("Track cuts: %s",name.Data())); if(kRot){ AliDielectronTrackRotator *rot = new AliDielectronTrackRotator; rot->SetConeAnglePhi(TMath::Pi()); rot->SetIterations(10); die->SetTrackRotator(rot); }//kRot if(kMix){ AliDielectronMixingHandler *mix = new AliDielectronMixingHandler; mix->SetMixType(AliDielectronMixingHandler::kAll); mix->AddVariable(AliDielectronVarManager::kZvPrim,"-10., -7.5, -5., -2.5 , 0., 2.5, 5., 7.5 , 10."); mix->SetDepth(10); die->SetMixingHandler(mix); }//kMix // set track cuts SetupCuts(die,cutDefinition); // // histogram setup // only if an AliDielectronHistos object is attached to the // dielectron framework histograms will be filled // InitHistograms(die,cutDefinition); InitCF(die,cutDefinition); // eta correction // SetEtaCorrection(); return die; } //______________________________________________________________________________________ void SetupCuts(AliDielectron *die, Int_t cutDefinition) { // // Setup the track cuts // //options die->SetPreFilterAllSigns(); //pairing with TLorentzVector die->SetUseKF(kFALSE); //track cuts die->GetTrackFilter().AddCuts(SetupESDtrackCuts(cutDefinition)); //pid cuts die->GetTrackFilter().AddCuts(SetPIDcuts(cutDefinition)); if(cutDefinition >= 0){ AliDielectronTrackCuts *noconv=new AliDielectronTrackCuts("noConv","conversion tagging"); noconv->SetV0DaughterCut(AliPID::kElectron,kTRUE); die->GetTrackFilter().AddCuts(noconv); AliDielectronVarCuts *PhiV = new AliDielectronVarCuts("PhiV","PhiV");//mass and Phiv together PhiV->AddCut(AliDielectronVarManager::kM, 0. , 0.15); PhiV->AddCut(AliDielectronVarManager::kPhivPair, 2. , 3.2); die->GetPairPreFilter().AddCuts(PhiV); } if(cutDefinition == 4){ AliDielectronVarCuts *PhiVhard = new AliDielectronVarCuts("PhiVhard","PhiVhard");//mass and PhiVhard together (hard PhiVhard) PhiVhard->AddCut(AliDielectronVarManager::kM, 0. , 0.05); PhiVhard->AddCut(AliDielectronVarManager::kPhivPair, 1.5 , 3.2); die->GetPairPreFilter().AddCuts(PhiVhard); } } //______________________________________________________________________________________ //-----------------------------------pid------------------------------------------------ AliDielectronPID *SetPIDcuts(Int_t cutDefinition){ AliDielectronPID *pid = new AliDielectronPID(); if(cutDefinition == 0 || cutDefinition == 1 || cutDefinition == 4){//TPC+TOF pT200 //stronger electron inclusion pid->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-1.5,3.,0.2,100.,kFALSE); pid->AddCut(AliDielectronPID::kTPC,AliPID::kPion,-100.,4.,0.2,100.,kTRUE); //TOF pid->AddCut(AliDielectronPID::kTOF,AliPID::kElectron,-3.,3.,0.4, 5., kFALSE); }//complete PID if(cutDefinition == 2){//TPC+TOF pT200 shift in sigma_e (TPC) //stronger electron inclusion pid->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-2.,2.5,0.2,100.,kFALSE); pid->AddCut(AliDielectronPID::kTPC,AliPID::kPion,-100.,4.,0.2,100.,kTRUE); //TOF pid->AddCut(AliDielectronPID::kTOF,AliPID::kElectron,-3.,3.,0.4, 5., kFALSE); }//complete PID if(cutDefinition == 3){//TPC+TOF pT200 tighter sigma_e (TOF) //stronger electron inclusion pid->AddCut(AliDielectronPID::kTPC,AliPID::kElectron,-1.5,3.,0.2,100.,kFALSE); pid->AddCut(AliDielectronPID::kTPC,AliPID::kPion,-100.,4.,0.2,100.,kTRUE); //TOF pid->AddCut(AliDielectronPID::kTOF,AliPID::kElectron,-2.,2.,0.4, 5., kFALSE); }//complete PID return pid; } //______________________________________________________________________________________ AliESDtrackCuts *SetupESDtrackCuts(Int_t cutDefinition) { AliESDtrackCuts *fesdTrackCuts = new AliESDtrackCuts; //global fesdTrackCuts->SetPtRange( 0.2 , 100. ); fesdTrackCuts->SetAcceptKinkDaughters(kFALSE); fesdTrackCuts->SetRequireSigmaToVertex(kFALSE); fesdTrackCuts->SetDCAToVertex2D(kFALSE); fesdTrackCuts->SetMaxDCAToVertexZ(3.); fesdTrackCuts->SetMaxDCAToVertexXY(1.); fesdTrackCuts->SetEtaRange( -0.8 , 0.8 ); //ITS fesdTrackCuts->SetRequireITSRefit(kTRUE); fesdTrackCuts->SetMinNClustersITS(3); if(cutDefinition == 1)fesdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kBoth); else fesdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kFirst); //TPC fesdTrackCuts->SetRequireTPCRefit(kTRUE); fesdTrackCuts->SetMinNClustersTPC(80); fesdTrackCuts->SetMinNCrossedRowsTPC(100); fesdTrackCuts->SetMinRatioCrossedRowsOverFindableClustersTPC(0.5); fesdTrackCuts->SetMaxChi2PerClusterTPC(4); return fesdTrackCuts; } //______________________________________________________________________________________ void InitHistograms(AliDielectron *die, Int_t cutDefinition) { // // Initialise the histograms // //Setup histogram classes AliDielectronHistos *histos= new AliDielectronHistos(die->GetName(), die->GetTitle()); //Initialise histogram classes histos->SetReservedWords("Track;Pair"); //Event class histos->AddClass("Event"); //Track classes //to fill also track info from 2nd event loop until 2 for (Int_t i=0; i<2; ++i){ histos->AddClass(Form("Track_%s",AliDielectron::TrackClassName(i))); } //Pair classes // to fill also mixed event histograms loop until 10 for (Int_t i=0; i<3; ++i){ histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(i))); } if(kMix){ histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(3))); //ME ++ histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(4)));//ME -+ histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(6)));//ME +- histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(7))); // ME -- } if(kRot)histos->AddClass(Form("Pair_%s",AliDielectron::PairClassName(10)));//Rot //add histograms to event class histos->UserHistogram("Event","nEvents","Number of processed events after cuts;Number events",1,0,1,AliDielectronVarManager::kNevents); histos->UserHistogram("Event","ZVertex","ZVertex;ZVertex/cm",480,-12.,12.,AliDielectronVarManager::kZvPrim); histos->UserHistogram("Event","nESDTracks","ESD tracks;ESD tracks;Number events",100,0,200,AliDielectronVarManager::kTracks); histos->UserHistogram("Event","Nacc","Number of accepted tracks;Number events",100,0,200,AliDielectronVarManager::kNacc); histos->UserHistogram("Event","NVtxContrib","Number of Vertex Contributor;NVtx;Number events",100,0,100,AliDielectronVarManager::kNVtxContrib); //add histograms to Track classes histos->UserHistogram("Track","P","P;P [GeV];#tracks",500,0.,10.,AliDielectronVarManager::kPIn); histos->UserHistogram("Track","Pt","Pt;Pt [GeV];#tracks",500,0.,10.,AliDielectronVarManager::kPt); histos->UserHistogram("Track","Eta","Eta; Eta ;#tracks",100,-1.,1.,AliDielectronVarManager::kEta); histos->UserHistogram("Track","Phi","Phi; Phi ;#tracks",640,0.,6.4,AliDielectronVarManager::kPhi); histos->UserHistogram("Track","Eta_phi","Eta vs Phi;Eta;Phi",100,-1.,1.,320,0.,6.4,AliDielectronVarManager::kEta,AliDielectronVarManager::kPhi); histos->UserHistogram("Track","Eta_pt","Eta vs Pt;Eta;Pt",100,-1.,1.,500,0.,10.,AliDielectronVarManager::kEta,AliDielectronVarManager::kPt); histos->UserHistogram("Track","ImpParXY_Pt","ImpParXY_Pt; Pt; ÍmpParXY",500,0.,10.,500,-5.,5.,AliDielectronVarManager::kPt,AliDielectronVarManager::kImpactParXY); histos->UserHistogram("Track","ImpParZ_Pt","ImpParZ_Pt; Pt; ÍmpParZ",500,0.,10.,500,-5.,5.,AliDielectronVarManager::kPt,AliDielectronVarManager::kImpactParZ); //track checks (ITS) histos->UserHistogram("Track","ITSchi2Cl_Mom","ITS Chi2 vs Momentum;Mom;ITS chi2",500,0.,5.,50,0.,5.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSchi2Cl); histos->UserHistogram("Track","NclsITS_Mom",";Mom;kNclsITS",500,0.,5.,7,0,7,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNclsITS); //track checks (TPC) histos->UserHistogram("Track","TPCsignalNfrac_Mom",";fraction TPCSignalN/TPCncls vs Momentum;Mom;TPCSignalN/TPCncls",500,0.,5.,60,0.,1.2,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCsignalNfrac); histos->UserHistogram("Track","TPCchi2Cl_Mom","TPC Chi2 vs Momentum;Mom;TPC Chi2",500,0.,10.,100,0,5,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCchi2Cl); histos->UserHistogram("Track","TPCclsDiff_Mom","kTPCclsDiff vs Momentum;Mom;kTPCclsDiff",500,0.,10.,100,-10,10,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCclsDiff); histos->UserHistogram("Track","FindableTPCcls_Mom","kNFclsTPC vs Momentum;Mom;kNFclsTPC",500,0.,10.,200,0.,200.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNFclsTPC); histos->UserHistogram("Track","TPCcls_Mom","kNclsTPC vs Momentum;Mom;kNclsTPC",500,0.,10.,200,0.,200.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNclsTPC); histos->UserHistogram("Track","kNclsSFracTPC_Mom","kNclsSFracTPC vs Momentum;Mom;kTPCclsSFrac",500,0.,10.,1000,0.,1.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNclsSFracTPC); histos->UserHistogram("Track","kNFclsTPCrFrac_Mom","kNFclsTPCrFrac vs Momentum;Mom;kNFclsTPCrFrac",500,0.,10.,60,0.,1.2.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kNFclsTPCrFrac); //track checks (TOF) histos->UserHistogram("Track","TOFbeta_Mom","kTOFbeta vs Momentum;Mom;TOFbeta",500,0.,5.,120,0.,1.2,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTOFbeta); histos->UserHistogram("Track","TOFPIDBit_Mom","kTOFPIDBit vs Momentum;Mom;TOFPIDbit",500,0.,5.,2,0.,1.,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTOFPIDBit); //track checks (PID) histos->UserHistogram("Track","ITSnSigma_MomPio","ITS number of sigmas Pion vs Momentum;Mom;ITSsigmaPion",500,0.,5.,1000,-20,20,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSnSigmaPio); histos->UserHistogram("Track","TPCnSigma_MomPio","TPC number of sigmas Pions vs Momentum;Mom;TPCsigmaPion",500,0.,5.,1000,-20,20,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCnSigmaPio); histos->UserHistogram("Track","ITSnSigma_MomEle","ITS number of sigmas Electrons vs Momentum;Mom;ITSsigmaEle",500,0.,5.,800,-40,40,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSnSigmaEle); histos->UserHistogram("Track","TPCnSigma_MomEle","TPC number of sigmas Electrons vs Momentum;Mom;TPCsigmaEle",1000,0.,10.,800,-40,40,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCnSigmaEle); histos->UserHistogram("Track","TOFnSigma_MomEle","TOF number of sigmas Electrons vs Momentum;Mom;TOFsigmaEle",500,0.,5.,800,-40,40,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTOFnSigmaEle); histos->UserHistogram("Track","ITSdEdx_P","dEdx;P [GeV];ITS signal (arb units) vs Momentum;Mom;ITSsignal", 500,0,5,800,0,200,AliDielectronVarManager::kPIn,AliDielectronVarManager::kITSsignal); histos->UserHistogram("Track","TPCdEdx_P","dEdx;P [GeV];TPC signal (arb units) vs Momentum;Mom;TPCsignal", 500,0,10.,800,0,200,AliDielectronVarManager::kPIn,AliDielectronVarManager::kTPCsignal); // //add histograms to Pair classes // histos->UserHistogram("Pair","InvMass","Inv.Mass;Inv. Mass [GeV];#pairs", 500,0,4,AliDielectronVarManager::kM); histos->UserHistogram("Pair","InvMass_low","Inv.Mass;Inv. Mass [GeV];#pairs", 500,0,0.5,AliDielectronVarManager::kM); histos->UserHistogram("Pair","InvMass10","Inv.Mass;Inv. Mass [GeV];#pairs", 500,0.,5.,AliDielectronVarManager::kM); histos->UserHistogram("Pair","kDeltaEta","kDeltaEta;kDeltaEta;#pairs", 160,0.,1.6,AliDielectronVarManager::kDeltaEta); histos->UserHistogram("Pair","kDeltaEta_low","kDeltaEta;kDeltaEta;#pairs", 500,0.,0.5,AliDielectronVarManager::kDeltaEta); histos->UserHistogram("Pair","kDeltaPhi","kDeltaPhi;kDeltaPhi;#pairs", 320,0.,6.4,AliDielectronVarManager::kDeltaPhi); histos->UserHistogram("Pair", "kDeltaEta_kDeltaPhi","kDeltaEta_kDeltaPhi;kDeltaEta;kDeltaPhi", 160, 0. , 1.6, 320 , 0., 6.4 , AliDielectronVarManager::kDeltaEta , AliDielectronVarManager::kDeltaPhi ); histos->UserHistogram("Pair","PhiV",";PhiV;#pairs", 320,0.,6.4,AliDielectronVarManager::kPhivPair); histos->UserHistogram("Pair","PhiV_Pt",";Pt;PhiV", 100,0.,10.,320,0.,6.4,AliDielectronVarManager::kPt,AliDielectronVarManager::kPhivPair); histos->UserHistogram("Pair","InvMass_bin2","Inv.Mass;Inv. Mass [GeV];#pairs", "0. , 0.025, 0.05 , 0.075 ,0.1 ,0.15 , 0.2 , 0.25 , 0.3 , 0.4 , 0.5 , 0.6, 0.65 , 0.688 , 0.725, 0.75, 0.775, 0.8 , 0.85 , 0.95, 0.975 , 1.0 , 1.025 , 1.05, 1.125 , 1.25 , 1.5 , 1.75 , 2.0 , 2.25, 2.5 , 2.75 , 2.85, 2.95,3.05, 3.1 , 3.15 , 3.3 , 3.5, 3.75 , 4.0",AliDielectronVarManager::kM); histos->UserHistogram("Pair", "InvMass_Pt","InvMass_Pt;InvMass;Pt", 500, 0. , 4., 100 , 0., 5. , AliDielectronVarManager::kM , AliDielectronVarManager::kPt ); histos->UserHistogram("Pair", "InvMass_PhivPair","InvMass_PhivPair;InvMass;PhivPair", 500, 0. , 4., 320 , 0., 3.2 , AliDielectronVarManager::kM , AliDielectronVarManager::kPhivPair ); histos->UserHistogram("Pair", "OpAngle","Opening angle;Opening angle;#pairs", 320, 0. , 3.2, AliDielectronVarManager::kOpeningAngle); histos->UserHistogram("Pair", "OpAngle_InvMass","OpAngle_InvMass;Opening angle;Invariant Mass", 320, 0. , 3.2, 500 , 0. , 4. , AliDielectronVarManager::kOpeningAngle,AliDielectronVarManager::kM); histos->UserHistogram("Pair", "Phi","Phi;counts;Phi", 320, 0. , 6.4, AliDielectronVarManager::kPhi); histos->UserHistogram("Pair", "Y","Y;counts;Y", 120, -1.2 , 1.2, AliDielectronVarManager::kY); die->SetHistogramManager(histos); } void InitCF(AliDielectron* die, Int_t cutDefinition) { // // Setup the CF Manager if needed // AliDielectronCF *cf=new AliDielectronCF(die->GetName(),die->GetTitle()); //pair variables // cf->AddVariable(AliDielectronVarManager::kM,500,0.,4.); cf->AddVariable(AliDielectronVarManager::kM,"0. , 0.025, 0.05 , 0.075 ,0.1 ,0.15 , 0.2 , 0.25 , 0.3 , 0.4 , 0.5 , 0.6, 0.65 , 0.688 , 0.725, 0.75, 0.775, 0.8 , 0.85 , 0.95, 0.975 , 1.0 , 1.025 , 1.05, 1.125 , 1.25 , 1.5 , 1.75 , 2.0 , 2.25, 2.5 , 2.75 , 2.85, 2.95,3.05, 3.1 , 3.15 , 3.3 , 3.5, 3.75 , 4.0");//data cf->AddVariable(AliDielectronVarManager::kY,20,-1.,1.); cf->AddVariable(AliDielectronVarManager::kPhi,32, 0., 3.2); cf->AddVariable(AliDielectronVarManager::kPt,100,0.,5.); cf->AddVariable(AliDielectronVarManager::kOpeningAngle,62,0.,6.2); cf->AddVariable(AliDielectronVarManager::kPhivPair,64, 0., 6.4); cf->AddVariable(AliDielectronVarManager::kPairType,4,-0.5,3.5); //leg cf->AddVariable(AliDielectronVarManager::kPt,100,0.,10.,kTRUE); cf->AddVariable(AliDielectronVarManager::kPhi,36,0.,360.,kTRUE); cf->AddVariable(AliDielectronVarManager::kEta,100,-1.,1.,kTRUE); /* cf->AddVariable(AliDielectronVarManager::kTPCsignal,200,0.,200.,kTRUE); cf->AddVariable(AliDielectronVarManager::kImpactParXY,40,-2.,2.,kTRUE); cf->AddVariable(AliDielectronVarManager::kImpactParZ,40,-2.,2.,kTRUE); cf->AddVariable(AliDielectronVarManager::kNclsITS,10,0.,10.,kTRUE); cf->AddVariable(AliDielectronVarManager::kNFclsTPCrFrac,10,0.,1.,kTRUE); */ die->SetCFManagerPair(cf); } void SetEtaCorrection() { if (AliDielectronPID::GetEtaCorrFunction()) return; TString list=gSystem->Getenv("LIST"); TFile f("$TRAIN_ROOT/jpsi_JPSI/EtaCorrMaps.root"); if (!f.IsOpen()) return; TList *keys=f.GetListOfKeys(); for (Int_t i=0; iGetEntries(); ++i){ TString kName=keys->At(i)->GetName(); TPRegexp reg(kName); if (reg.MatchB(list)){ printf("Using Eta Correction Function: %s\n",kName.Data()); AliDielectronPID::SetEtaCorrFunction((TF1*)f.Get(kName.Data())); } } }