MFT/AliMuonForwardTrackAnalysis.h

   1 #ifndef AliMuonForwardTrackAnalysis_H
   2 #define AliMuonForwardTrackAnalysis_H
   3
   4 //====================================================================================================================================================
   5 //
   6 //      Class for the analysis of the ALICE muon forward tracks (MUON + MFT)
   7 //
   8 //      Contact author: antonio.uras@cern.ch
   9 //
  10 //====================================================================================================================================================
  11
  12 #include "TObject.h"
  13 #include "TClonesArray.h"
  14 #include "AliMuonForwardTrack.h"
  15 #include "TMatrixD.h"
  16 #include "TTree.h"
  17 #include "TH1D.h"
  18 #include "TH2D.h"
  19 #include "AliLog.h"
  20 #include "TFile.h"
  21 #include "TParticle.h"
  22 #include "AliMUONTrackParam.h"
  23 #include "AliMUONTrackExtrap.h"
  24 #include "TDatabasePDG.h"
  25 #include "TGraph.h"
  26 #include "TAxis.h"
  27
  28 //====================================================================================================================================================
  29
  30 class AliMuonForwardTrackAnalysis : public TObject {
  31
  32 public:
  33
  34   enum {kNoOption, kResonanceOnly};
  35
  36   AliMuonForwardTrackAnalysis();
  37
  38   virtual ~AliMuonForwardTrackAnalysis() {};  // destructor
  39
  40   Bool_t Init(Char_t *inputFileName);
  41   Bool_t LoadNextEvent();
  42   void Terminate(Char_t *outputFileName);
  43
  44   void BookHistos();
  45
  46   void SetInputDir(Char_t *inputDir)   { fInputDir  = inputDir; }
  47   void SetOutputDir(Char_t *outputDir) { fOutputDir = outputDir; }
  48
  49   Int_t GetNTracksAnalyzed() { return fNTracksAnalyzed; }
  50
  51   void SetMassRange(Double_t min, Double_t max) { fMassMin=min; fMassMax=max; }
  52   void SetTrueMass(Double_t mass) { fTrueMass = mass; }
  53   void SetSingleMuonAnalysis(Bool_t singleMuonAnalysis) { fSingleMuonAnalysis = singleMuonAnalysis; }
  54   void SetMuonPairAnalysis(Bool_t muonPairAnalysis) { fMuonPairAnalysis = muonPairAnalysis; }
  55   void SetMatchTrigger(Int_t triggerLevel) { fTriggerLevel = triggerLevel; }
  56
  57   Bool_t AnalyzeSingleMuon();
  58   Bool_t AnalyzeMuonPair();
  59   void BuildMuonPairs();
  60
  61   void EvalDimuonVtxResolution(Bool_t eval) { fEvalDimuonVtxResolution = eval; }
  62
  63   Bool_t PassedCutSingleMuon(AliMuonForwardTrack *track);
  64   Bool_t PassedCutMuonPair(AliMuonForwardTrackPair *pair);
  65
  66   void SetVertResMC(Double_t xRes, Double_t yRes, Double_t zRes) { fXVertResMC=xRes; fYVertResMC=yRes; fZVertResMC=zRes; }
  67
  68   void SetOption(Int_t option) { fOption = option; }
  69
  70   void SetMaxNWrongClustersMC(Int_t nClusters) { fMaxNWrongClustersMC = nClusters; }
  71   void SetMinPtSingleMuons(Double_t ptMin) { fPtMinSingleMuons = ptMin; }
  72   void SetMaxChi2SingleMuons(Double_t chi2Max) { fMaxChi2SingleMuons = chi2Max; }
  73   void SetMaxOffsetSingleMuons(Double_t offsetMax) { fMaxOffsetSingleMuons = offsetMax; }
  74   void CorrelateCutOnOffsetChi2(Bool_t option) { fCorrelateCutOnOffsetChi2 = option; }
  75
  76   void SetMaxWOffsetMuonPairsAtPrimaryVtx(Double_t wOffsetMax) { fMaxWOffsetMuonPairsAtPrimaryVtx = wOffsetMax; }
  77   void SetMaxWOffsetMuonPairsAtPCA(Double_t wOffsetMax) { fMaxWOffsetMuonPairsAtPCA = wOffsetMax; }
  78   void SetMaxDistancePrimaryVtxPCA(Double_t distanceMax) { fMaxDistancePrimaryVtxPCA = distanceMax; }
  79   void SetMinPCAQuality(Double_t minQuality) { fMinPCAQuality = minQuality; }
  80
  81   void ReadEvents(Int_t firstEv, Int_t lastEv) { fFirstEvent = firstEv; fLastEvent = lastEv; }
  82   Int_t GetFirstEvent() { return fFirstEvent; }
  83   Int_t GetLastEvent()  { return fLastEvent; }
  84
  85   void UseBransonForCut(Bool_t useBranson) { fUseBransonForCut = useBranson; }
  86   void UseBransonForKinematics(Bool_t useBranson) { fUseBransonForKinematics = useBranson; }
  87
  88   Double_t GetPseudoProperDecayLength(AliMuonForwardTrackPair *pair, Double_t trueMass);
  89
  90 private:
  91
  92   TString fInputDir, fOutputDir;
  93
  94   TTree *fInputTreeWithBranson, *fInputTreeWithoutBranson;  //!
  95
  96   TClonesArray *fMuonForwardTracksWithBranson,    *fMuonForwardTrackPairsWithBranson;                //!
  97   TClonesArray *fMuonForwardTracksWithoutBranson, *fMuonForwardTrackPairsWithoutBranson;             //!
  98   AliMuonForwardTrack *fMFTTrackWithBranson, *fMFTTrackWithoutBranson, *fMFTTrack;                   //!
  99   AliMuonForwardTrackPair *fMFTTrackPairWithBranson, *fMFTTrackPairWithoutBranson, *fMFTTrackPair;   //!
 100   TParticle *fMCRefTrack;                                                                            //!
 101
 102   Int_t fEv, fFirstEvent, fLastEvent, fNTracksOfEvent, fNTracksAnalyzedOfEvent, fNTracksAnalyzed, fNPairsOfEvent, fNPairsAnalyzedOfEvent;
 103   Int_t fNTracksAnalyzedOfEventAfterCut, fNPairsAnalyzedOfEventAfterCut;
 104
 105   TH1D *fHistOffsetSingleMuonsX, *fHistOffsetSingleMuonsY, *fHistOffsetSingleMuons, *fHistWOffsetSingleMuons;      //!
 106   TH1D *fHistErrorSingleMuonsX, *fHistErrorSingleMuonsY;                                                           //!
 107   TH1D *fHistZOriginSingleMuonsMC;
 108
 109   TH2D *fHistZROriginSingleMuonsMC, *fHistSingleMuonsPtRapidity, *fHistSingleMuonsOffsetChi2;   //!
 110
 111   TH2D *fHistRapidityPtMuonPairs;  //!
 112
 113   TH2D *fHistMassMuonPairsMCVsPt;              //!
 114   TH2D *fHistMassMuonPairsVsPt;                //!
 115   TH2D *fHistMassMuonPairsWithoutMFTVsPt;      //!
 116   TH2D *fHistMassMuonPairsVsPtLSp;             //!
 117   TH2D *fHistMassMuonPairsWithoutMFTVsPtLSp;   //!
 118   TH2D *fHistMassMuonPairsVsPtLSm;             //!
 119   TH2D *fHistMassMuonPairsWithoutMFTVsPtLSm;   //!
 120
 121   TH2D *fHistWOffsetMuonPairsAtPrimaryVtxVsPt;    //!
 122   TH2D *fHistWOffsetMuonPairsAtPCAVsPt;           //!
 123   TH2D *fHistDistancePrimaryVtxPCAVsPt;           //!
 124   TH2D *fHistPCAQualityVsPt;                      //!
 125   TH2D *fHistPseudoProperDecayLengthVsPt;         //!
 126   TH2D *fHistDimuonVtxResolutionXVsPt;            //!
 127   TH2D *fHistDimuonVtxResolutionYVsPt;            //!
 128   TH2D *fHistDimuonVtxResolutionZVsPt;            //!
 129
 130   Bool_t fEvalDimuonVtxResolution;
 131
 132   Double_t fTrueMass, fMassMin, fMassMax;
 133
 134   Bool_t fSingleMuonAnalysis, fMuonPairAnalysis;
 135   Int_t fOption, fTriggerLevel;
 136
 137   Double_t fXVertResMC, fYVertResMC, fZVertResMC;
 138   Double_t fPrimaryVtxX, fPrimaryVtxY, fPrimaryVtxZ;
 139   Int_t fMaxNWrongClustersMC;
 140   Double_t fPtMinSingleMuons;
 141
 142   Bool_t fUseBransonForCut, fUseBransonForKinematics, fCorrelateCutOnOffsetChi2;
 143
 144   Double_t fMaxChi2SingleMuons, fMaxOffsetSingleMuons;
 145   Double_t fMaxWOffsetMuonPairsAtPrimaryVtx, fMaxWOffsetMuonPairsAtPCA, fMaxDistancePrimaryVtxPCA, fMinPCAQuality;
 146
 147   ClassDef(AliMuonForwardTrackAnalysis, 1)
 148
 149 };
 150
 151 //====================================================================================================================================================
 152
 153 #endif
 154