PWGHF/vertexingHF/AliAnalysisTaskSELc2V0bachelor.h

   1 #ifndef ALIANALYSISTASKSELC2V0BACHELOR_H
   2 #define ALIANALYSISTASKSELC2V0BACHELOR_H
   3 /**************************************************************************
   4  * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
   5  *                                                                        *
   6  * Author: The ALICE Off-line Project.                                    *
   7  * Contributors are mentioned in the code where appropriate.              *
   8  *                                                                        *
   9  * Permission to use, copy, modify and distribute this software and its   *
  10  * documentation strictly for non-commercial purposes is hereby granted   *
  11  * without fee, provided that the above copyright notice appears in all   *
  12  * copies and that both the copyright notice and this permission notice   *
  13  * appear in the supporting documentation. The authors make no claims     *
  14  * about the suitability of this software for any purpose. It is          *
  15  * provided "as is" without express or implied warranty.                  *
  16  **************************************************************************/
  17
  18 /* $Id$ */
  19
  20 #include "TROOT.h"
  21 #include "TSystem.h"
  22
  23 #include "AliAnalysisTaskSE.h"
  24 #include "AliAODEvent.h"
  25 #include "AliPID.h"
  26 #include "AliAODTrack.h"
  27 #include "AliRDHFCutsLctoV0.h"
  28 #include "AliNormalizationCounter.h"
  29
  30 class TH1F;
  31 class TClonesArray;
  32 class AliAODRecoCascade;
  33
  34 class AliAnalysisTaskSELc2V0bachelor : public AliAnalysisTaskSE
  35 {
  36
  37  public:
  38
  39   AliAnalysisTaskSELc2V0bachelor();
  40   AliAnalysisTaskSELc2V0bachelor(const Char_t* name, AliRDHFCutsLctoV0* cuts,
  41                                  Bool_t useOnTheFly=kFALSE, Bool_t writeVariableTree=kTRUE, Bool_t additionalChecks=kFALSE, Bool_t trackRotation=kFALSE);
  42   virtual ~AliAnalysisTaskSELc2V0bachelor();
  43
  44   // Implementation of interface methods
  45   virtual void UserCreateOutputObjects();
  46   virtual void Init();
  47   virtual void LocalInit() {Init();}
  48   virtual void UserExec(Option_t *option);
  49   virtual void Terminate(Option_t *option);
  50
  51   // histos
  52   void FillLc2pK0Sspectrum(AliAODRecoCascadeHF *part, Int_t isLc,
  53                            Int_t &nSelectedAnal, AliRDHFCutsLctoV0 *cutsAnal,
  54                            TClonesArray *mcArray);
  55
  56   void MakeAnalysisForLc2prK0S(TClonesArray *arrayLctopK0S,
  57                                TClonesArray *mcArray,
  58                                Int_t &nSelectedAnal, AliRDHFCutsLctoV0 *cutsAnal);
  59
  60   // set MC usage
  61   void SetMC(Bool_t theMCon) {fUseMCInfo = theMCon;}
  62   Bool_t GetMC() const {return fUseMCInfo;}
  63
  64   // set flag for additional checks
  65   void SetAdditionalChecks(Bool_t additionalChecks) {fAdditionalChecks = additionalChecks;}
  66   Bool_t GetAdditionalChecks() const {return fAdditionalChecks;}
  67
  68   void FillArmPodDistribution(AliAODv0 *vZero, TString histoTitle, TList *histoList);
  69
  70   void SetK0SAnalysis(Bool_t a) {fIsK0SAnalysis=a;}
  71   Bool_t GetK0SAnalysis() const {return fIsK0SAnalysis;}
  72
  73   void SetUseOnTheFlyV0(Bool_t a) { fUseOnTheFlyV0=a; }
  74   Bool_t GetUseOnTheFlyV0() { return fUseOnTheFlyV0; }
  75
  76   Int_t MatchToMClabelC(AliAODRecoCascadeHF *candidate,TClonesArray *mcArray);
  77
  78  private:
  79
  80   void CheckEventSelection(AliAODEvent *aodEvent);
  81   void CheckEventSelectionWithCandidates(AliAODEvent *aodEvent);
  82   void CheckCandidatesAtDifferentLevels(AliAODRecoCascadeHF *part,AliRDHFCutsLctoV0* cutsAnal);
  83   void FillTheTree(AliAODRecoCascadeHF *part, AliRDHFCutsLctoV0 *cutsAnal, TClonesArray *mcArray, Int_t isLc);
  84   void DefineTreeVariables();
  85
  86   Int_t MatchToMC(AliAODRecoCascadeHF *lc2bacV0,
  87                   Int_t *pdgDgLc2bacV0, Int_t *pdgDgV0,
  88                   TClonesArray *mcArray);
  89
  90   Int_t SearchLcDaughter(TClonesArray *arrayMC, Int_t iii);
  91
  92   void DefineGeneralHistograms();
  93   void DefineAnalysisHistograms();
  94   void DefineK0SHistos();
  95   void FillAnalysisHistograms(AliAODRecoCascadeHF *part, Bool_t isBachelorID, TString appendthis);
  96   void TrackRotation(AliRDHFCutsLctoV0 *cutsAnal, AliAODRecoCascadeHF *part, TString appendthis);
  97
  98   AliAnalysisTaskSELc2V0bachelor(const AliAnalysisTaskSELc2V0bachelor &source);
  99   AliAnalysisTaskSELc2V0bachelor& operator=(const AliAnalysisTaskSELc2V0bachelor& source);
 100
 101   Double_t Det(Double_t a00,Double_t a01,
 102                Double_t a10,Double_t a11) const;
 103   Double_t Det(Double_t a00,Double_t a01,Double_t a02,
 104                Double_t a10,Double_t a11,Double_t a12,
 105                Double_t a20,Double_t a21,Double_t a22) const;
 106   Double_t PropagateToDCA(AliAODv0 *v, AliAODTrack *bachelor, Double_t b,
 107                           Double_t &xVtxLc, Double_t &yVtxLc, Double_t &zVtxLc,
 108                           Double_t &pxVtxLc, Double_t &pyVtxLc, Double_t &pzVtxLc);
 109
 110   Double_t GetAlpha(Double_t xyz[3],Double_t pxpypz[3]);
 111
 112   Int_t SearchForCommonMother(TClonesArray *mcArray,
 113                               Int_t dgLabels[10],Int_t ndg,
 114                               Int_t &ndgCk, Int_t *pdgDg, Int_t &labelMother, Int_t &nDauCand) const;
 115
 116   Bool_t fUseMCInfo;          // Use MC info
 117   TList *fOutput;             // User output slot 1 // general histos
 118   TList *fOutputAll;          // User output slot 4 // histos without pid and cut on V0
 119   TList *fOutputPIDBach;      // User output slot 5 // histos with PID on Bachelor
 120
 121   TH1F *fCEvents;                    // Histogram to check selected events
 122   Bool_t fIsK0SAnalysis;             // switch between Lpi and K0Sp
 123   AliNormalizationCounter *fCounter; // AliNormalizationCounter on output slot 2
 124   AliRDHFCutsLctoV0 *fAnalCuts;      // Cuts - sent to output slot 3
 125   //TList *fListCuts;                  // list of cuts
 126   Bool_t fUseOnTheFlyV0;             // flag to analyze also on-the-fly V0 candidates
 127   Bool_t fIsEventSelected;           // flag for event selected
 128
 129   Bool_t    fWriteVariableTree;       // flag to decide whether to write the candidate variables on a tree variables
 130   TTree    *fVariablesTree;           //! tree of the candidate variables after track selection on output slot 4
 131   Float_t *fCandidateVariables;       //! variables to be written to the tree
 132   AliAODVertex *fVtx1;                // primary vertex
 133   Float_t fBzkG;                      // magnetic field value [kG]
 134   Bool_t fAdditionalChecks;           // flag to fill additional histograms
 135
 136   Bool_t fTrackRotation;              // flag to check track rotation
 137   TList *fOutputPIDBachTR;            // User output slot 6 // histos with PID on Bachelor and track rotation
 138
 139   Double_t fMinAngleForRot;//=5*TMath::Pi()/6;
 140   Double_t fMaxAngleForRot;//=7*TMath::Pi()/6;
 141   Double_t fMinMass;//=mLcPDG-0.250;
 142   Double_t fMaxMass;//=mLcPDG+0.250;
 143   Int_t fNRotations;//=9;
 144
 145   ClassDef(AliAnalysisTaskSELc2V0bachelor,6); // class for Lc->p K0
 146 };
 147
 148 #endif
 149