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 "AliMuonForwardTrackPair.h"
  16 #include "TMatrixD.h"
  17 #include "TTree.h"
  18 #include "TH1D.h"
  19 #include "TH2D.h"
  20 #include "TH3D.h"
  21 #include "AliLog.h"
  22 #include "TFile.h"
  23 #include "TParticle.h"
  24 #include "AliMUONTrackParam.h"
  25 #include "AliMUONTrackExtrap.h"
  26 #include "TDatabasePDG.h"
  27 #include "TGraph.h"
  28 #include "TAxis.h"
  29
  30 //====================================================================================================================================================
  31
  32 class AliMuonForwardTrackAnalysis : public TObject {
  33
  34 public:
  35
  36   enum {kNoOption, kResonanceOnly, kCharmOnly, kBeautyOnly, kBackground1mu, kBackground2mu, kNoResonances};
  37   enum {kSingleEvent, kMixedEvent};
  38
  39   AliMuonForwardTrackAnalysis();
  40
  41   virtual ~AliMuonForwardTrackAnalysis() {};  // destructor
  42
  43   Bool_t Init(Char_t *inputFileName);
  44   Bool_t LoadNextEvent();
  45   void Terminate(Char_t *outputFileName);
  46
  47   void BookHistos();
  48
  49   void SetInputDir(Char_t *inputDir)   { fInputDir  = inputDir; }
  50   void SetOutputDir(Char_t *outputDir) { fOutputDir = outputDir; }
  51
  52   Int_t GetNTracksAnalyzed() { return fNTracksAnalyzed; }
  53
  54   void SetMassRange(Double_t min, Double_t max) { fMassMin=min; fMassMax=max; }
  55   void SetTrueMass(Double_t mass) { fTrueMass = mass; }
  56   void SetSingleMuonAnalysis(Bool_t singleMuonAnalysis) { fSingleMuonAnalysis = singleMuonAnalysis; }
  57   void SetMuonPairAnalysis(Bool_t muonPairAnalysis) { fMuonPairAnalysis = muonPairAnalysis; }
  58   void SetMatchTrigger(Int_t triggerLevel) { fTriggerLevel = triggerLevel; }
  59
  60   Bool_t AnalyzeSingleMuon();
  61   Bool_t AnalyzeMuonPair(Int_t opt);
  62   void BuildMuonPairs();
  63   void BuildMuonPairsMix();
  64
  65   void EvalDimuonVtxResolution(Bool_t eval) { fEvalDimuonVtxResolution = eval; }
  66
  67   Bool_t PassedCutSingleMuon(AliMuonForwardTrack *track);
  68   Bool_t PassedCutMuonPair(AliMuonForwardTrackPair *pair);
  69
  70   void SetVertResMC(Double_t xRes, Double_t yRes, Double_t zRes) { fXVertResMC=xRes; fYVertResMC=yRes; fZVertResMC=zRes; }
  71
  72   void SetOption(Int_t option) { fOption = option; }
  73
  74   void SetMaxNWrongClustersMC(Int_t nClusters) { fMaxNWrongClustersMC = nClusters; }
  75   void SetMinPtSingleMuons(Double_t ptMin) { fMinPtSingleMuons = ptMin; }
  76   void SetEtaRangeSingleMuons(Double_t min, Double_t max) { fMinEtaSingleMuons=min; fMaxEtaSingleMuons=max; }
  77   void SetMaxChi2SingleMuons(Double_t chi2Max) { fMaxChi2SingleMuons = chi2Max; }
  78   void SetMaxOffsetSingleMuons(Double_t offsetMax) { fMaxOffsetSingleMuons = offsetMax; }
  79   void CorrelateCutOnOffsetChi2(Bool_t option) { fCorrelateCutOnOffsetChi2 = option; }
  80
  81   void SetMaxWOffsetMuonPairsAtPrimaryVtx(Double_t wOffsetMax) { fMaxWOffsetMuonPairsAtPrimaryVtx = wOffsetMax; }
  82   void SetMaxWOffsetMuonPairsAtPCA(Double_t wOffsetMax) { fMaxWOffsetMuonPairsAtPCA = wOffsetMax; }
  83   void SetMaxDistancePrimaryVtxPCA(Double_t distanceMax) { fMaxDistancePrimaryVtxPCA = distanceMax; }
  84   void SetMinPCAQuality(Double_t minQuality) { fMinPCAQuality = minQuality; }
  85
  86   void ReadEvents(Int_t firstEv, Int_t lastEv) { fFirstEvent = firstEv; fLastEvent = lastEv; }
  87   Int_t GetFirstEvent() { return fFirstEvent; }
  88   Int_t GetLastEvent()  { return fLastEvent; }
  89
  90   void UseBransonForCut(Bool_t useBranson) { fUseBransonForCut = useBranson; }
  91   void UseBransonForKinematics(Bool_t useBranson) { fUseBransonForKinematics = useBranson; }
  92
  93   Double_t GetPseudoProperDecayLength(AliMuonForwardTrackPair *pair, Double_t trueMass);
  94
  95   void SetNEventsToMix(Int_t nEvents) { fNEventsToMix = nEvents; if (0<fNEventsToMix && fNEventsToMix<100) fMixing = kTRUE; }
  96
  97 private:
  98
  99   TString fInputDir, fOutputDir;
 100
 101   TTree *fInputTreeWithBranson, *fInputTreeWithoutBranson;   //!
 102
 103   TClonesArray *fMuonForwardTracksWithBranson,    *fMuonForwardTracksWithBransonMix,    *fMuonForwardTrackPairsWithBranson;                //!
 104   TClonesArray *fMuonForwardTracksWithoutBranson, *fMuonForwardTracksWithoutBransonMix, *fMuonForwardTrackPairsWithoutBranson;             //!
 105   AliMuonForwardTrack *fMFTTrackWithBranson, *fMFTTrackWithoutBranson, *fMFTTrack;                   //!
 106   AliMuonForwardTrackPair *fMFTTrackPairWithBranson, *fMFTTrackPairWithoutBranson, *fMFTTrackPair;   //!
 107   TParticle *fMCRefTrack;                                                                            //!
 108
 109   Int_t fEv, fEvMix, fFirstEvent, fLastEvent, fNTracksOfEvent, fNTracksAnalyzedOfEvent, fNTracksAnalyzed, fNPairsOfEvent, fNPairsAnalyzedOfEvent;
 110   Int_t fNTracksAnalyzedOfEventAfterCut, fNPairsAnalyzedOfEventAfterCut;
 111
 112   TH3D *fHistXOffsetSingleMuonsVsEtaVsP,  *fHistYOffsetSingleMuonsVsEtaVsP,  *fHistOffsetSingleMuonsVsEtaVsP,  *fHistWOffsetSingleMuonsVsEtaVsP;      //!
 113   TH3D *fHistXOffsetSingleMuonsVsEtaVsPt, *fHistYOffsetSingleMuonsVsEtaVsPt, *fHistOffsetSingleMuonsVsEtaVsPt, *fHistWOffsetSingleMuonsVsEtaVsPt;     //!
 114   TH3D *fHistXErrorSingleMuonsVsEtaVsP,   *fHistYErrorSingleMuonsVsEtaVsP;                                                                  //!
 115   TH3D *fHistXErrorSingleMuonsVsEtaVsPt,  *fHistYErrorSingleMuonsVsEtaVsPt;                                                                 //!
 116   TH1D *fHistZOriginSingleMuonsMC;
 117
 118   TH2D *fHistZROriginSingleMuonsMC, *fHistSingleMuonsPtRapidity, *fHistSingleMuonsOffsetChi2;   //!
 119
 120   TH2D *fHistMassMuonPairsMCVsPt;         //!
 121   TH2D *fHistDimuonVtxResolutionXVsPt;    //!
 122   TH2D *fHistDimuonVtxResolutionYVsPt;    //!
 123   TH2D *fHistDimuonVtxResolutionZVsPt;    //!
 124
 125   TH2D *fHistRapidityPtMuonPairs[2];              //!
 126   TH2D *fHistMassMuonPairsVsPt[2];                //!
 127   TH2D *fHistMassMuonPairsWithoutMFTVsPt[2];      //!
 128   TH2D *fHistMassMuonPairsVsPtLSp[2];             //!
 129   TH2D *fHistMassMuonPairsWithoutMFTVsPtLSp[2];   //!
 130   TH2D *fHistMassMuonPairsVsPtLSm[2];             //!
 131   TH2D *fHistMassMuonPairsWithoutMFTVsPtLSm[2];   //!
 132
 133   TH2D *fHistWOffsetMuonPairsAtPrimaryVtxVsPt[2];    //!
 134   TH2D *fHistWOffsetMuonPairsAtPCAVsPt[2];           //!
 135   TH2D *fHistDistancePrimaryVtxPCAVsPt[2];           //!
 136   TH2D *fHistPCAQualityVsPt[2];                      //!
 137   TH2D *fHistPseudoProperDecayLengthVsPt[2];         //!
 138
 139   Bool_t fEvalDimuonVtxResolution;
 140
 141   Double_t fTrueMass, fMassMin, fMassMax;
 142
 143   Bool_t fSingleMuonAnalysis, fMuonPairAnalysis;
 144   Int_t fOption, fTriggerLevel;
 145
 146   Double_t fXVertResMC, fYVertResMC, fZVertResMC;
 147   Double_t fPrimaryVtxX, fPrimaryVtxY, fPrimaryVtxZ;
 148   Int_t fMaxNWrongClustersMC;
 149   Double_t fMinPtSingleMuons, fMinEtaSingleMuons, fMaxEtaSingleMuons;
 150
 151   Bool_t fUseBransonForCut, fUseBransonForKinematics, fCorrelateCutOnOffsetChi2;
 152
 153   Double_t fMaxChi2SingleMuons, fMaxOffsetSingleMuons;
 154   Double_t fMaxWOffsetMuonPairsAtPrimaryVtx, fMaxWOffsetMuonPairsAtPCA, fMaxDistancePrimaryVtxPCA, fMinPCAQuality;
 155
 156   Bool_t fMixing;
 157   Int_t fNEventsToMix;
 158
 159   ClassDef(AliMuonForwardTrackAnalysis, 1)
 160
 161 };
 162
 163 //====================================================================================================================================================
 164
 165 #endif
 166