--- /dev/null
+//-*- Mode: C++ -*-
+
+#if __GNUC__>= 3
+ using namespace std;
+#endif
+
+#include "TH1F.h"
+#include "TH2F.h"
+#include "TList.h"
+
+#include "AliMultiplicityCorrelations.h"
+
+// Task for HI Multiplicity correlation checks
+// Author: Jochen Thaeder <jochen@thaeder.de>
+
+/** ROOT macro for the implementation of ROOT specific class methods */
+ClassImp(AliMultiplicityCorrelations)
+
+/*
+ * ---------------------------------------------------------------------------------
+ * Constructor / Destructor
+ * ---------------------------------------------------------------------------------
+ */
+
+//##################################################################################
+AliMultiplicityCorrelations::AliMultiplicityCorrelations() :
+ TNamed(),
+ fHistList(NULL),
+ fIsMC(kFALSE),
+ fESDEvent(NULL),
+ fESDZDC(NULL), fESDVZERO(NULL), fESDMultiplicity(NULL),
+ fESDTrackCuts(NULL), fESDTrackCuts2(NULL),
+ fCleanSample(kFALSE), fCleanMinKeep(0.),fCleanMaxKeep(999999999.),
+ fRunNo(-1), fCurrentRunNo(-1),
+ fProcessTPC(kTRUE), fProcessSPD(kTRUE), fProcessVZERO(kTRUE), fProcessZDC(kTRUE),
+ fEsdTracks(0), fEsdTracksA(0), fTpcTracks(0), fTpcTracksA(0),
+ fVzeroMult(0.), fVzeroMultA(0.), fVzeroMultC(0.),
+ fSpdNClusters(0), fSpdNClustersInner(0), fSpdNClustersOuter(0),
+ fVzeroBinning(1500), fVzeroBinningMin(0.), fVzeroBinningMax(30000.),
+ fTpcBinning(800),fTpcBinningMin(0.),fTpcBinningMax(8000.),
+ fZdcBinning(1000),fZdcBinningMin(0.),fZdcBinningMax(6000.),
+ fZemBinning(500),fZemBinningMin(0.),fZemBinningMax(2500.),
+ fSpdBinning(750),fSpdBinningMin(0.),fSpdBinningMax(15000.) {
+ // see header file for class documentation
+
+}
+//##################################################################################
+AliMultiplicityCorrelations::AliMultiplicityCorrelations(Char_t* name, Char_t* title) :
+ TNamed(name,title),
+ fHistList(NULL),
+ fIsMC(kFALSE),
+ fESDEvent(NULL),
+ fESDZDC(NULL), fESDVZERO(NULL), fESDMultiplicity(NULL),
+ fESDTrackCuts(NULL), fESDTrackCuts2(NULL),
+ fCleanSample(kFALSE), fCleanMinKeep(0.),fCleanMaxKeep(999999999.),
+ fRunNo(-1), fCurrentRunNo(-1),
+ fProcessTPC(kTRUE), fProcessSPD(kTRUE),fProcessVZERO(kTRUE), fProcessZDC(kTRUE),
+ fEsdTracks(0), fEsdTracksA(0), fTpcTracks(0), fTpcTracksA(0),
+ fVzeroMult(0.), fVzeroMultA(0.), fVzeroMultC(0.),
+ fSpdNClusters(0), fSpdNClustersInner(0), fSpdNClustersOuter(0),
+ fVzeroBinning(1000), fVzeroBinningMin(0.), fVzeroBinningMax(20000.),
+ fTpcBinning(800),fTpcBinningMin(0.),fTpcBinningMax(8000.),
+ fZdcBinning(280),fZdcBinningMin(0.),fZdcBinningMax(140.),
+ fZemBinning(100),fZemBinningMin(0.),fZemBinningMax(5.),
+ fSpdBinning(750),fSpdBinningMin(0.),fSpdBinningMax(15000.) {
+ // see header file for class documentation
+
+}
+
+//##################################################################################
+AliMultiplicityCorrelations::~AliMultiplicityCorrelations() {
+ // see header file for class documentation
+
+ if ( fHistList ) {
+ fHistList->Clear();
+ delete fHistList;
+ }
+ fHistList = NULL;
+}
+
+/*
+ * ---------------------------------------------------------------------------------
+ * Initialize / Reset
+ * ---------------------------------------------------------------------------------
+ */
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::Initialize( const Char_t* listName) {
+ // see header file for class documentation
+
+ Int_t iResult = 0;
+
+ fHistList = new TList();
+ fHistList->SetOwner(kTRUE);
+ fHistList->SetName(Form("MultiplicityCorrelations_%s",listName));
+ iResult = SetupHistograms();
+
+ if (fProcessZDC) { AliInfo("Processing of ZDC enabled"); }
+ if (fProcessTPC) { AliInfo("Processing of TPC enabled"); }
+ if (fProcessSPD) { AliInfo("Processing of SPD enabled"); }
+ if (fProcessVZERO) { AliInfo("Processing of VZERO enabled"); }
+
+ return iResult;
+}
+
+/*
+ * ---------------------------------------------------------------------------------
+ * Output - public
+ * ---------------------------------------------------------------------------------
+ */
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::ProcessEvent(AliESDEvent *esd) {
+ // see header file for class documentation
+
+ Int_t iResult = 0;
+
+ if ( ! AddESDEvent(esd) ) {
+ AliWarning("No ESD event.");
+ return -1;
+ }
+
+ // -- TPC .. To be done before the others
+ if (fESDEvent->GetNumberOfTracks() > 0 && fProcessTPC)
+ iResult = ProcessTPC();
+
+ // -- TPC / global track cuts
+ if (iResult == -3)
+ return iResult;
+
+ // -- check if cleaning
+ if (iResult == -2)
+ return iResult;
+
+ // -- SPD
+ if (fESDMultiplicity && fProcessSPD)
+ iResult = ProcessSPD();
+
+ // -- VZERO
+ if (fESDVZERO && fProcessVZERO)
+ iResult = ProcessVZERO();
+
+ // -- ZDC and Correlations
+ if (fESDZDC && fProcessZDC)
+ iResult = ProcessZDC();
+
+ return iResult;
+}
+
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+/// ///
+////// PRIVATE //////
+/// ///
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+
+/*
+ * ---------------------------------------------------------------------------------
+ * Setup / Initialize - private
+ * ---------------------------------------------------------------------------------
+ */
+
+//##################################################################################
+Bool_t AliMultiplicityCorrelations::AddESDEvent( AliESDEvent* esd ) {
+ // see header file for class documentation
+
+ fESDEvent = esd;
+
+ // -- Check for ESD
+ if ( !fESDEvent ) {
+ AliWarning("No ESD event present.");
+ return kFALSE;
+ }
+
+ fESDZDC = esd->GetESDZDC();
+ if ( !fESDZDC ) {
+ AliInfo("No ZDC information !");
+ }
+
+ fESDVZERO = esd->GetVZEROData();
+ if ( !fESDVZERO ) {
+ AliInfo("No VZERO information !");
+ }
+
+ fESDMultiplicity = const_cast<AliMultiplicity*>(esd->GetMultiplicity());
+ if ( !fESDMultiplicity ) {
+ AliInfo("No Multiplicity information !");
+ }
+
+ if (fCurrentRunNo == esd->GetRunNumber())
+ return kTRUE;
+
+ fCurrentRunNo = esd->GetRunNumber();
+ fRunNo = fCurrentRunNo;
+
+ // CHANGE HERE FOR RUN RANGES
+ if ( fRunNo == 137162 ) fRunNo = 137161;
+ else if ( fRunNo == 137365 ) fRunNo = 137366;
+ else if ( fRunNo > 137366 ) fRunNo = 137366;
+ // CHANGE HERE FOR RUN RANGES
+
+ return kTRUE;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::SetupHistograms() {
+ // see header file for class documentation
+
+ Int_t iResult = 0;
+
+ if (fProcessVZERO) iResult = SetupVZERO();
+ if (fProcessZDC) iResult = SetupZDC();
+ if (fProcessTPC) iResult = SetupTPC();
+ if (fProcessSPD) iResult = SetupSPD();
+
+ iResult = SetupCorrelations();
+
+ return iResult;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::SetupVZERO() {
+ // see header file for class documentation
+
+ // VzeroMult
+ fHistList->Add(new TH1F("fVzeroMult", "Multiplicity^{VZERO};Multiplicity^{VZERO};N_{Events}",
+ fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ fHistList->Add(new TH1F("fVzeroMultUnCorr", "Multiplicity^{VZERO} uncorrected;Multiplicity^{VZERO};N_{Events}",
+ fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ fHistList->Add(new TH2F("fVzeroMultAC", "Multiplicity^{VZERO} A vs C;Multiplicity^{VZERO}A ;Multiplicity^{VZERO} C",
+ fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ return 0;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::SetupZDC() {
+ // see header file for class documentation
+
+ // E_{ZDC}
+ fHistList->Add(new TH1F("fZdcEzdc", "E_{ZDC};E_{ZDC} (TeV);N_{Events}",
+ fZdcBinning,fZdcBinningMin,fZdcBinningMax));
+
+ // E_{ZEM}
+ fHistList->Add(new TH1F("fZdcEzem", "E_{ZEM};E_{ZEM} (TeV);N_{Events}",
+ fZemBinning,fZemBinningMin,fZemBinningMax));
+
+ // E_{ZEM} vs E_{ZDC}
+ fHistList->Add(new TH2F("fZdcEzemEzdc", "E_{ZEM} vs E_{ZDC};E_{ZEM} (TeV); E_{ZDC} (TeV)",
+ fZemBinning,fZemBinningMin,fZemBinningMax, fZdcBinning,fZdcBinningMin,fZdcBinningMax));
+
+ return 0;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::SetupTPC() {
+ // see header file for class documentation
+
+ // Multiplicity
+ fHistList->Add(new TH1F("fTpcNch0", "N_{ch} esdTracks; N_{ch};N_{Events}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax));
+ fHistList->Add(new TH1F("fTpcNch1", "N_{ch} accepted esdTracks; N_{ch};N_{Events}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax));
+ fHistList->Add(new TH1F("fTpcNch2", "N_{ch} tpcTracks; N_{ch};N_{Events}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax));
+ fHistList->Add(new TH1F("fTpcNch3", "N_{ch} accepted tpcTracks; N_{ch};N_{Events}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax));
+
+ fHistList->Add(new TH2F("fTpcCorrNch","N_{ch} accepted tpcTracks vs globalTracks; N_{tpc};N_{global}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fTpcBinning,fTpcBinningMin,fTpcBinningMax));
+
+ fHistList->Add(new TH1F("fTpcRatioNch","N_{ch} accepted tpcTracks/globalTracks; N_{ch};Ratio",
+ 201,0.,2.));
+
+ fHistList->Add(new TH2F("fTpcCorrNchAll","N_{ch} accepted tpcTracks vs globalTracks - uncleaned ; N_{tpc};N_{global}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fTpcBinning,fTpcBinningMin,fTpcBinningMax));
+
+ fHistList->Add(new TH1F("fTpcRatioNchAll","N_{ch} accepted tpcTracks/globalTracks - uncleaned; N_{ch};Ratio",
+ 201,0.,2.));
+
+ return 0;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::SetupCorrelations() {
+ // see header file for class documentation
+
+ // ----------------------------------------------------
+ // TPC vs ZDC
+ // ----------------------------------------------------
+ if (fProcessTPC && fProcessZDC) {
+
+ // N_{ch} vs E_{ZDC}
+ fHistList->Add(new TH2F("fCorrEzdcNch", "N_{ch}^{TPC} vs E_{ZDC};N_{ch}^{TPC};E_{ZDC} (TeV)",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fZdcBinning,fZdcBinningMin,fZdcBinningMax));
+
+
+ // N_{ch} vs E_{ZEM}
+ fHistList->Add(new TH2F("fCorrEzemNch", "N_{ch}^{TPC} vs E_{ZEM};N_{ch}^{TPC};E_{ZEM} (TeV)",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fZdcBinning,fZdcBinningMin,fZdcBinningMax));
+ }
+ // ----------------------------------------------------
+ // ZDC vs VZERO
+ // ----------------------------------------------------
+ if (fProcessZDC && fProcessVZERO) {
+
+ // E_{ZDC} vs Multiplicity VZERO
+ fHistList->Add(new TH2F("fCorrEzdcVzero",
+ "E_{ZDC} vs Multiplicity^{VZERO};E_{ZDC} (TeV);Multiplicity^{VZERO}",
+ fZdcBinning,fZdcBinningMin,fZdcBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ // E_{ZEM} vs Multiplicity VZERO
+ fHistList->Add(new TH2F("fCorrEzemVzero",
+ "E_{ZEM} vs Multiplicity^{VZERO};E_{ZEM} (TeV);Multiplicity^{VZERO}",
+ fZemBinning,fZemBinningMin,fZemBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ }
+ // ----------------------------------------------------
+ // TPC vs VZERO
+ // ----------------------------------------------------
+ if ( fProcessTPC && fProcessVZERO ) {
+
+ fHistList->Add(new TH2F("fCorrVzeroNch",
+ "N_{ch}^{TPC} vs Multiplicity^{VZERO};N_{ch}^{TPC};Multiplicity^{VZERO}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ fHistList->Add(new TH2F("fCorrVzeroNchUnCorr",
+ "N_{ch}^{TPC} vs Multiplicity^{VZERO} uncorrected;N_{ch}^{TPC};Multiplicity^{VZERO}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ fHistList->Add(new TH2F("fCorrVzeroESDNch",
+ "N_{ch}^{global} vs Multiplicity^{VZERO};N_{ch}^{TPC};Multiplicity^{VZERO}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ fHistList->Add(new TH2F("fCorrVzeroESDNchUnCorr",
+ "N_{ch}^{global} vs Multiplicity^{VZERO} uncorrected;N_{ch}^{TPC};Multiplicity^{VZERO}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax));
+
+ }
+ // ----------------------------------------------------
+ // TPC vs SPD
+ // ----------------------------------------------------
+ if ( fProcessSPD && fProcessTPC ) {
+
+ fHistList->Add(new TH2F("fCorrSpdTpcNch", "N_{ch}^{TPC} vs N_{clusters}^{SPD};N_{ch}^{TPC};N_{clusters}^{SPD}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+
+ fHistList->Add(new TH2F("fCorrSpdOuterTpcNch"," N_{ch}^{TPC} vs N_{clusters}^{SPD}_{Outer};N_{ch}^{TPC};N_{clusters}^{SPD}",
+ fTpcBinning,fTpcBinningMin,fTpcBinningMax, fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+ }
+ // ----------------------------------------------------
+ // SPD vs VZERO
+ // ----------------------------------------------------
+ if ( fProcessSPD && fProcessVZERO ) {
+
+ fHistList->Add(new TH2F("fCorrVzeroSpd",
+ "Multiplicity^{VZERO} vs N_{ch}^{SPD};Multiplicity^{VZERO};N^{SPD}",
+ fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax, fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+
+ fHistList->Add(new TH2F("fCorrVzeroSpdOuter",
+ "Multiplicity^{VZERO} vs N_{ch}^{SPD}_{Outer};Multiplicity^{VZERO};N^{SPD}",
+ fVzeroBinning,fVzeroBinningMin,fVzeroBinningMax, fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+ }
+ // ----------------------------------------------------
+ // SPD vs ZDC
+ // ----------------------------------------------------
+ if ( fProcessSPD && fProcessZDC) {
+
+ // E_{ZDC} vs Multiplicity SPD
+ fHistList->Add(new TH2F("fCorrEzdcSpd", "E_{ZDC} vs N_{ch}^{SPD};E_{ZDC} (TeV);N^{SPD}",
+ fZdcBinning,fZdcBinningMin,fZdcBinningMax, fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+
+ fHistList->Add(new TH2F("fCorrEzdcSpdOuter", "E_{ZDC} vs N_{ch}^{SPD};E_{ZDC} (TeV);N^{SPD}",
+ fZdcBinning,fZdcBinningMin,fZdcBinningMax, fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+
+ }
+
+ return 0;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::SetupSPD() {
+ // see header file for class documentation
+
+ fHistList->Add(new TH1F("fSpdNClusters", "Multplicity_{SPD};Multplicity_{SPD};N_{Events}",
+ fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+
+ fHistList->Add(new TH1F("fSpdNClustersInner", "Multplicity_{SPD} Layer 0;Multplicity_{SPD};N_{Events}",
+ fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+
+ fHistList->Add(new TH1F("fSpdNClustersOuter", "Multplicity_{SPD} Layer 1;Multplicity_{SPD};N_{Events}",
+ fSpdBinning,fSpdBinningMin,fSpdBinningMax));
+ return 0;
+}
+
+/*
+ * ---------------------------------------------------------------------------------
+ * Process - private
+ * ---------------------------------------------------------------------------------
+ */
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::ProcessTPC() {
+ // see header file for class documentation
+
+ Int_t iResult = 0 ;
+
+ fEsdTracks = 0;
+ fEsdTracksA = 0;
+ fTpcTracks = 0;
+ fTpcTracksA = 0;
+
+ // -----------------------------------------------------------------
+
+ for (Int_t idx = 0; idx < fESDEvent->GetNumberOfTracks(); idx++) {
+
+ // -- check track
+ AliESDtrack* esdTrack = fESDEvent->GetTrack(idx);
+ if (!esdTrack) continue;
+
+ ++fEsdTracks;
+
+ if (!fESDTrackCuts2->AcceptTrack(esdTrack)) continue;
+ ++fEsdTracksA;
+ }
+
+ // -----------------------------------------------------------------
+
+ for (Int_t idx = 0; idx < fESDEvent->GetNumberOfTracks(); idx++) {
+
+ // -- check track
+ AliESDtrack* esdTrack = fESDEvent->GetTrack(idx);
+ if (!esdTrack) continue;
+
+ // -- TPC only
+ const AliExternalTrackParam *tpcTrack = esdTrack->GetTPCInnerParam();
+ if (!tpcTrack) continue;
+ ++fTpcTracks;
+
+ if (!fESDTrackCuts->AcceptTrack(esdTrack)) continue;
+ ++fTpcTracksA;
+ }
+
+ // -----------------------------------------------------------------
+
+ if (fCleanSample) {
+ if(fTpcTracksA < fCleanMinKeep || fTpcTracksA > fCleanMaxKeep)
+ return -2;
+ }
+
+ Float_t nESD = (Float_t) fEsdTracksA;
+ Float_t nTPC = (Float_t) fTpcTracksA;
+ Float_t ratio = -1;
+
+ if ( nESD != 0 )
+ ratio = nTPC/nESD;
+
+ (static_cast<TH2F*>(fHistList->FindObject("fTpcCorrNchAll")))->Fill(fTpcTracksA,fEsdTracksA);
+ (static_cast<TH1F*>(fHistList->FindObject("fTpcRatioNchAll")))->Fill(ratio);
+
+ // Cleaning Cut tpcTracks and globalTracks
+ if ( fEsdTracksA < (-39+0.5797*fTpcTracksA))
+ return -3;
+
+ (static_cast<TH1F*>(fHistList->FindObject("fTpcNch0")))->Fill(fEsdTracks);
+ (static_cast<TH1F*>(fHistList->FindObject("fTpcNch1")))->Fill(fEsdTracksA);
+ (static_cast<TH1F*>(fHistList->FindObject("fTpcNch2")))->Fill(fTpcTracks);
+ (static_cast<TH1F*>(fHistList->FindObject("fTpcNch3")))->Fill(fTpcTracksA);
+
+ (static_cast<TH2F*>(fHistList->FindObject("fTpcCorrNch")))->Fill(fTpcTracksA,fEsdTracksA);
+ (static_cast<TH1F*>(fHistList->FindObject("fTpcRatioNch")))->Fill(ratio);
+
+ return iResult;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::ProcessVZERO() {
+ // see header file for class documentation
+
+ Int_t iResult = 0 ;
+ Float_t vzeroCorr;;
+ fVzeroMultA = fESDVZERO->GetMTotV0A();
+ fVzeroMultC = fESDVZERO->GetMTotV0C();
+ if (!fIsMC)
+ fVzeroMult = GetCorrVZERO(vzeroCorr);
+ else
+ fVzeroMult = (fVzeroMultA+fVzeroMultC) * 0.85871;
+
+ (static_cast<TH1F*>(fHistList->FindObject("fVzeroMult")))->Fill(fVzeroMult);
+ (static_cast<TH1F*>(fHistList->FindObject("fVzeroMultUnCorr")))->Fill(fVzeroMultA+fVzeroMultC);
+ (static_cast<TH1F*>(fHistList->FindObject("fVzeroMultAC")))->Fill(fVzeroMultA,fVzeroMultC);
+
+ // -- VZERO - TPC correlations
+ if (fESDEvent->GetNumberOfTracks() > 0 && fProcessTPC) {
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrVzeroNch")))->Fill(fTpcTracksA,fVzeroMult);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrVzeroNchUnCorr")))->Fill(fTpcTracksA,fVzeroMultA+fVzeroMultC);
+
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrVzeroESDNch")))->Fill(fEsdTracksA,fVzeroMult);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrVzeroESDNchUnCorr")))->Fill(fEsdTracksA,fVzeroMultA+fVzeroMultC);
+ }
+
+ // -- VZERO - SPD correlations
+ if (fESDEvent->GetNumberOfTracks() > 0 && fProcessSPD) {
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrVzeroSpd")))->Fill(fVzeroMult, fSpdNClusters);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrVzeroSpdOuter")))->Fill(fVzeroMult, fSpdNClustersOuter);
+ }
+
+ return iResult;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::ProcessZDC() {
+ // see header file for class documentation
+
+ Int_t iResult = 0 ;
+
+ Double_t zdcEznA = fESDZDC->GetZDCN2Energy() / 8.;
+ Double_t zdcEznC = fESDZDC->GetZDCN1Energy() / 8.;
+ // Double_t zdcEznA = fESDZDC->GetZDCN2Energy() / 1000.;
+ // Double_t zdcEznC = fESDZDC->GetZDCN1Energy() / 1000.;
+
+ Double_t zdcEzpA = fESDZDC->GetZDCP2Energy() / 8.;
+ Double_t zdcEzpC = fESDZDC->GetZDCP1Energy() / 8.;
+ // Double_t zdcEzpA = fESDZDC->GetZDCP2Energy() / 1000.;
+ // Double_t zdcEzpC = fESDZDC->GetZDCP1Energy() / 1000.;
+
+ Double_t zdcEA = (zdcEznA + zdcEzpA);
+ Double_t zdcEC = (zdcEznC + zdcEzpC);
+ Double_t zdcE = zdcEA + zdcEC;
+
+ Double_t zdcEzemA = fESDZDC->GetZDCEMEnergy(1) / 8.;
+ Double_t zdcEzemC = fESDZDC->GetZDCEMEnergy(0) / 8.;
+ // Double_t zdcEzemA = fESDZDC->GetZDCEMEnergy(1) / 1000.;
+ // Double_t zdcEzemC = fESDZDC->GetZDCEMEnergy(0) / 1000.;
+ Double_t zdcEzem = zdcEzemA + zdcEzemC;
+
+ (static_cast<TH1F*>(fHistList->FindObject("fZdcEzdc")))->Fill(zdcE);
+
+ (static_cast<TH1F*>(fHistList->FindObject("fZdcEzem")))->Fill(zdcEzem);
+ (static_cast<TH2F*>(fHistList->FindObject("fZdcEzemEzdc")))->Fill(zdcEzem, zdcE);
+
+ // -- ZDC - TPC correlations
+ if (fESDEvent->GetNumberOfTracks() > 0 && fProcessTPC) {
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrEzdcNch")))->Fill(fTpcTracksA, zdcE);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrEzemNch")))->Fill(fTpcTracksA, zdcEzem);
+ }
+
+ // -- ZDC - SPD correlations
+ if (fProcessSPD) {
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrEzdcSpd")))->Fill(zdcE, fSpdNClusters);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrEzdcSpdOuter")))->Fill(zdcE, fSpdNClustersOuter);
+ }
+
+ // -- VZERO - ZDC correlations
+ if (fESDVZERO && fProcessVZERO) {
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrEzdcVzero")))->Fill(zdcE, fVzeroMult);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrEzemVzero")))->Fill(zdcEzem, fVzeroMult);
+ }
+
+ return iResult;
+}
+
+//##################################################################################
+Int_t AliMultiplicityCorrelations::ProcessSPD() {
+ // see header file for class documentation
+
+ const AliESDVertex* vtxESD = fESDEvent->GetPrimaryVertexSPD();
+ Float_t zvtx = vtxESD->GetZ();
+
+ if (!fIsMC) {
+ fSpdNClustersInner = GetCorrSPD2(fESDMultiplicity->GetNumberOfITSClusters(0),zvtx);
+ fSpdNClustersOuter = GetCorrSPD2(fESDMultiplicity->GetNumberOfITSClusters(1),zvtx);
+ }
+ else {
+ fSpdNClustersInner = fESDMultiplicity->GetNumberOfITSClusters(0);
+ fSpdNClustersOuter = fESDMultiplicity->GetNumberOfITSClusters(1);
+ }
+
+ fSpdNClusters = fSpdNClustersOuter + fSpdNClustersInner;
+
+ (static_cast<TH2F*>(fHistList->FindObject("fSpdNClusters")))->Fill(fSpdNClusters);
+ (static_cast<TH2F*>(fHistList->FindObject("fSpdNClustersInner")))->Fill(fSpdNClustersInner);
+ (static_cast<TH2F*>(fHistList->FindObject("fSpdNClustersOuter")))->Fill(fSpdNClustersOuter);
+
+ // -- SPD vs TPC correlations
+ if (fProcessTPC) {
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrSpdTpcNch")))->Fill(fTpcTracksA, fSpdNClusters);
+ (static_cast<TH2F*>(fHistList->FindObject("fCorrSpdOuterTpcNch")))->Fill(fTpcTracksA, fSpdNClustersOuter);
+ }
+
+ return 0;
+}
+
+//##################################################################################
+Float_t AliMultiplicityCorrelations::GetCorrVZERO(Float_t &v0CorrResc) {
+ // correct V0 non-linearity, prepare a version rescaled to SPD2 corr
+
+ Double_t *par0;
+ Double_t *par1;
+ Double_t *par2;
+
+ Double_t par0_137161[64] = { 6.71e-02 , 6.86e-02 , 7.06e-02 , 6.32e-02 ,
+ 5.91e-02 , 6.07e-02 , 5.78e-02 , 5.73e-02 , 5.91e-02 , 6.22e-02 ,
+ 5.90e-02 , 6.11e-02 , 5.55e-02 , 5.29e-02 , 5.19e-02 , 5.56e-02 ,
+ 6.25e-02 , 7.03e-02 , 5.64e-02 , 5.81e-02 , 4.57e-02 , 5.30e-02 ,
+ 5.13e-02 , 6.43e-02 , 6.27e-02 , 6.48e-02 , 6.07e-02 , 1.01e-01 ,
+ 6.68e-02 , 7.16e-02 , 6.36e-02 , 5.95e-02 , 2.52e-02 , 2.82e-02 ,
+ 2.56e-02 , 2.86e-02 , 2.82e-02 , 2.10e-02 , 2.13e-02 , 2.32e-02 ,
+ 2.75e-02 , 4.34e-02 , 3.78e-02 , 4.52e-02 , 4.11e-02 , 3.89e-02 ,
+ 4.10e-02 , 3.73e-02 , 4.51e-02 , 5.07e-02 , 5.42e-02 , 4.74e-02 ,
+ 4.33e-02 , 4.44e-02 , 4.64e-02 , 3.01e-02 , 6.38e-02 , 5.26e-02 ,
+ 4.99e-02 , 5.26e-02 , 5.47e-02 , 3.84e-02 , 5.00e-02 , 5.20e-02 };
+ Double_t par1_137161[64] = { -6.68e-05 , -7.78e-05 , -6.88e-05 , -5.92e-05 ,
+ -2.43e-05 , -3.54e-05 , -2.91e-05 , -1.99e-05 , -1.40e-05 , -4.01e-05 ,
+ -2.29e-05 , -3.68e-05 , -2.53e-05 , -2.44e-06 , -9.22e-06 , -1.51e-05 ,
+ -2.80e-05 , -2.34e-05 , -1.72e-05 , -1.81e-05 , -1.29e-05 , -2.65e-05 ,
+ -1.61e-05 , -2.86e-05 , -1.74e-05 , -4.23e-05 , -3.41e-05 , -1.05e-04 ,
+ -2.76e-05 , -4.71e-05 , -3.06e-05 , -2.32e-05 , -1.55e-06 , 2.15e-05 ,
+ 1.40e-05 , 2.16e-05 , 1.21e-05 , 3.05e-06 , 1.67e-05 , -3.84e-06 ,
+ 3.09e-06 , 1.50e-05 , 3.47e-06 , 4.87e-06 , -3.71e-07 , -1.75e-06 ,
+ -1.80e-06 , 9.99e-06 , -6.46e-06 , -4.91e-06 , 1.33e-05 , -2.52e-07 ,
+ -3.85e-06 , 4.94e-06 , -2.48e-07 , -1.20e-05 , 2.07e-06 , 6.12e-06 ,
+ -1.18e-06 , 4.54e-06 , -1.54e-05 , -1.25e-05 , 1.46e-06 , -6.67e-06 };
+ Double_t par2_137161[64] = { 1.29e-08 , 1.51e-08 , 1.43e-08 , 1.11e-08 ,
+ 5.04e-09 , 6.99e-09 , 5.58e-09 , 4.15e-09 , 4.00e-09 , 8.22e-09 ,
+ 4.97e-09 , 7.66e-09 , 4.91e-09 , 1.10e-09 , 2.64e-09 , 3.64e-09 ,
+ 5.76e-09 , 5.46e-09 , 3.38e-09 , 3.47e-09 , 2.43e-09 , 4.13e-09 ,
+ 2.80e-09 , 5.80e-09 , 3.86e-09 , 7.46e-09 , 5.98e-09 , 2.58e-08 ,
+ 5.50e-09 , 8.72e-09 , 5.23e-09 , 4.37e-09 , 2.33e-09 , -6.01e-10 ,
+ 3.99e-11 , -2.02e-10 , 7.67e-10 , 2.03e-09 , 1.17e-10 , 2.56e-09 ,
+ 1.16e-09 , -4.75e-10 , 1.28e-09 , 1.23e-09 , 1.62e-09 , 1.61e-09 ,
+ 1.93e-09 , 2.97e-10 , 2.21e-09 , 2.16e-09 , 5.22e-10 , 1.03e-09 ,
+ 1.56e-09 , 5.00e-10 , 1.01e-09 , 2.93e-09 , 1.05e-09 , 9.96e-11 ,
+ 1.21e-09 , 7.45e-10 , 3.07e-09 , 2.31e-09 , 6.70e-10 , 1.89e-09 };
+
+ Double_t par0_137366[64] = { 7.12e-02 , 7.34e-02 , 7.39e-02 , 6.54e-02 , 6.11e-02 , 6.31e-02 , 6.15e-02 ,
+ 6.00e-02 , 6.10e-02 , 6.49e-02 , 6.17e-02 , 6.33e-02 , 6.00e-02 , 5.48e-02 ,
+ 5.44e-02 , 5.81e-02 , 6.49e-02 , 7.07e-02 , 5.91e-02 , 6.18e-02 , 4.82e-02 ,
+ 5.67e-02 , 5.36e-02 , 6.60e-02 , 6.37e-02 , 6.78e-02 , 6.31e-02 , 1.04e-01 ,
+ 6.91e-02 , 7.32e-02 , 6.61e-02 , 6.16e-02 , 2.64e-02 , 2.81e-02 , 2.64e-02 ,
+ 2.85e-02 , 2.87e-02 , 2.18e-02 , 2.19e-02 , 2.43e-02 , 2.81e-02 , 4.37e-02 ,
+ 3.90e-02 , 4.66e-02 , 4.24e-02 , 4.09e-02 , 4.21e-02 , 3.88e-02 , 4.83e-02 ,
+ 5.23e-02 , 5.44e-02 , 4.85e-02 , 4.42e-02 , 4.58e-02 , 4.74e-02 , 3.14e-02 ,
+ 6.31e-02 , 5.30e-02 , 5.01e-02 , 5.33e-02 , 5.70e-02 , 3.95e-02 , 4.98e-02 , 5.31e-02 };
+ Double_t par1_137366[64] = { -6.99e-05 , -6.99e-05 , -6.94e-05 , -6.55e-05 , -3.55e-05 , -4.50e-05 ,
+ -3.10e-05 , -2.81e-05 , -2.29e-05 , -3.89e-05 , -2.53e-05 , -4.25e-05 ,
+ -1.87e-05 , -2.01e-05 , -1.53e-05 , -2.14e-05 , -2.86e-05 , -4.70e-05 ,
+ -2.23e-05 , -3.30e-05 ,-9.74e-06 , -2.62e-05 , -1.76e-05 , -2.38e-05 ,
+ -2.40e-05 , -3.43e-05 , -2.75e-05 , -6.86e-05 ,-2.35e-05 , -4.45e-05 ,
+ -2.51e-05 , -2.20e-05 , -1.25e-16 , -2.04e-17 , -2.06e-17 , -3.74e-19 ,
+ -1.18e-18 , -2.02e-15 , -3.78e-06 , -1.26e-06 , -2.71e-06 , -6.23e-17 ,
+ -7.39e-08 , -1.76e-16 , -8.98e-06 , -4.10e-18 , -1.34e-05 , -1.06e-16 ,
+ -3.34e-06 , -1.04e-05 , -5.28e-06 , -7.34e-06 , -1.05e-05 , -7.68e-06 ,
+ -1.78e-05 , -1.19e-05 , -1.78e-05 , -1.34e-06 , -9.23e-06 , -3.34e-06 ,
+ -8.02e-06 , -1.39e-05 , -1.38e-05 , -1.40e-05 };
+ Double_t par2_137366[64] = { 1.41e-08 , 1.47e-08 , 1.48e-08 , 1.24e-08 , 6.82e-09 , 8.73e-09 , 6.26e-09 ,
+ 5.53e-09 , 5.40e-09 , 7.93e-09 , 5.49e-09 , 8.77e-09 , 4.21e-09 , 3.93e-09 ,
+ 3.60e-09 , 4.67e-09 , 5.59e-09 , 8.81e-09 , 3.89e-09 , 6.19e-09 , 1.97e-09 ,
+ 4.38e-09 , 3.26e-09 , 5.00e-09 , 4.58e-09 , 6.39e-09 , 5.03e-09 , 1.30e-08 ,
+ 4.95e-09 , 8.26e-09 , 4.57e-09 , 4.10e-09 , 2.35e-09 , 2.30e-09 , 2.15e-09 ,
+ 2.27e-09 , 2.17e-09 , 2.27e-09 , 2.97e-09 , 2.25e-09 , 1.69e-09 , 1.44e-09 ,
+ 1.66e-09 , 1.75e-09 , 2.88e-09 , 1.82e-09 , 3.64e-09 , 1.80e-09 , 1.71e-09 ,
+ 2.66e-09 , 3.01e-09 , 1.95e-09 , 2.64e-09 , 2.42e-09 , 3.68e-09 , 2.66e-09 ,
+ 3.92e-09 , 1.18e-09 , 2.26e-09 , 1.57e-09 , 2.02e-09 , 2.71e-09 , 2.99e-09 , 3.04e-09 };
+
+
+
+ if ( fRunNo == 137161 ) {
+ par0=par0_137161;
+ par1=par1_137161;
+ par2=par2_137161;
+ }
+ else {
+ par0=par0_137366;
+ par1=par1_137366;
+ par2=par2_137366;
+ }
+
+ Float_t multCorr = 0;
+ Float_t multCorr2 = 0;
+ Float_t multChCorr[64];
+
+ for(Int_t i = 0; i < 64; ++i) {
+ Double_t b = (fESDVZERO->GetMultiplicity(i)*par1[i]-par0[i]);
+ Double_t s = (b*b-4.*par2[i]*fESDVZERO->GetMultiplicity(i)*fESDVZERO->GetMultiplicity(i));
+ Double_t n;
+ if (s<0) {
+ printf("FPE %d %.2f %.2f %.2e\n",i,fESDVZERO->GetMultiplicity(i),b,(b*b-4.*par2[i]*fESDVZERO->GetMultiplicity(i)*fESDVZERO->GetMultiplicity(i)));
+ n = -b;
+ }
+ else {
+ n = (-b + TMath::Sqrt(s));
+ }
+ multChCorr[i] = 2.*fESDVZERO->GetMultiplicity(i)/n*par0[i];
+ multCorr += multChCorr[i];
+ multCorr2 += (multChCorr[i]/par0[i]/64.);
+ }
+ v0CorrResc = multCorr2;
+ return multCorr;
+}
+
+
+//##################################################################################
+Float_t AliMultiplicityCorrelations::GetCorrSPD2(Float_t spd2raw,Float_t zv) {
+ // renormalize N spd2 clusters at given Zv to acceptance at Zv=0
+ const double pars[] = {8.10030e-01,-2.80364e-03,-7.19504e-04};
+ zv -= pars[0];
+ float corr = 1 + zv*(pars[1] + zv*pars[2]);
+ return corr>0 ? spd2raw/corr : -1;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff