Added normalization counter (Andrea, Davide)
[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAnalysisTaskSECharmFraction.h
4/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
8// Class AliAnalysisTaskSECharmFraction
9// AliAnalysisTask for the extraction of the fraction of prompt charm
10// using the charm hadron impact parameter to the primary vertex
ac4c229c 11//
d39e8f99 13// Author: Andrea Rossi
624c07ab 14//*************************************************************************
16class TH1F;
17class TH2F;
18class AliAODDEvent;
19class AliAODMCHeader;
20class AliAODRecoDecayHF2Prong;
21class AliAODRecoDecayHF;
22class AliAODMCParticle;
ac4c229c 23class AliAnalysisVertexingHF;
e047b348 24class AliRDHFCutsD0toKpi;
bd0c851a 25class AliNormalizationCounter;
624c07ab 27#include "AliAnalysisTaskSE.h"
29class AliAnalysisTaskSECharmFraction : public AliAnalysisTaskSE {
30 public:
31 AliAnalysisTaskSECharmFraction();
32 AliAnalysisTaskSECharmFraction(const char *name);
e047b348 33 AliAnalysisTaskSECharmFraction(const char *name,AliRDHFCutsD0toKpi *cutsA,AliRDHFCutsD0toKpi *cutsB);
624c07ab 35 virtual ~AliAnalysisTaskSECharmFraction();
e047b348 36
624c07ab 37 // Implementation of interface methods
38 virtual void UserCreateOutputObjects();
39 virtual void Init();
40 virtual void LocalInit() {Init();}
41 virtual void UserExec(Option_t *option);
42 virtual void Terminate(Option_t *option);
bf74e6db 43 void SetReadMC(Bool_t readMC=kTRUE){fReadMC=readMC;}
cc3209fb 44 void SetSplitMassD0D0bar(Bool_t splitD0D0bar=kTRUE){fsplitMassD0D0bar=splitD0D0bar;}
45 Bool_t GetIsSplitMassD0D0bar(){return fsplitMassD0D0bar;}
e047b348 46 void SetUsePID(Bool_t pid){fusePID=pid;}
47 void SetAnalyzeLikeSign(Bool_t likesign=kFALSE){fLikeSign=likesign;}
48 void SetNMaxTrForVtx(const Int_t ntrMaxforVtx){fNtrMaxforVtx=ntrMaxforVtx;}
49 Int_t GetNMaxTrForVtx(){return fNtrMaxforVtx;}
50 void SetPtBins(Int_t nbins,const Float_t *ptbins);
c387e585 51 void SetSignalInvMassCut(const Double_t signalInvMassCut=0.027){fsignalInvMassCut=signalInvMassCut;}
52 void SetLargeInvMassCut(const Double_t largeInvMassCut=2.){flargeInvMassCut=largeInvMassCut;}
53 void SetSideBandInvMassCut(const Double_t sidebandInvMassCut=0.054){// default value ~ 2x3 times inv mass resol.: a factor 2 is applied w.r.t. 3sigma, should be safe enough to exclude most of the reflections
624c07ab 54 fsidebandInvMassCut=sidebandInvMassCut;
55 }
c387e585 56 void SetSideBandInvMassWindow(const Double_t sidebandInvMassWindow=0.108){//~ 6 times inv. mass resol.
624c07ab 57 fsidebandInvMassWindow=sidebandInvMassWindow;
ac4c229c 58 }
e047b348 59 void SetAcceptanceCut(const Double_t eta=0.8,const Double_t nITSpoints=5.,const Double_t nSPDpoints=2.){fAcceptanceCuts[0]=eta;fAcceptanceCuts[1]=nITSpoints;fAcceptanceCuts[2]=nSPDpoints;}
ac4c229c 60 void SetStandardMassSelection();
624c07ab 61 Int_t SetStandardCuts(Double_t pt,Double_t invMassCut);
e047b348 62 Int_t SetStandardCuts(Float_t *&ptbinlimits);
624c07ab 63 void CheckInvMassD0(AliAODRecoDecayHF2Prong *d,Double_t &invMassD0,Double_t &invMassD0bar,Bool_t &isPeakD0,Bool_t &isPeakD0bar,Bool_t &isSideBandD0,Bool_t &isSideBandD0bar);
d39e8f99 64 void SetAnalysisLevel(Int_t level){fFastAnalysis=level;}
65 Int_t GetAnalysisLevel(){return fFastAnalysis;}
ac4c229c 66 AliAODRecoDecayHF *GetD0toKPiSignalType(const AliAODRecoDecayHF2Prong *d,TClonesArray *arrayMC,Int_t &signaltype,Double_t &massMumTrue,Double_t *primaryVtx);
67 AliAODRecoDecayHF* ConstructFakeTrueSecVtx(const AliAODMCParticle *b1,const AliAODMCParticle *b2,const AliAODMCParticle *mum,Double_t *primaryVtxTrue);
68 void SetUseMC(Bool_t useMC){fUseMC=useMC;}
e047b348 69 Bool_t SpecialSelD0(AliAODRecoDecayHF2Prong *d,Int_t &nusedforVtx);
77ed0cdb 70 Bool_t FillAziList(AliAODEvent *aod,Double_t azilist[30000],Int_t trkIDlist[30000],Int_t &nprim)const;
71 void FillAziHistos(AliAODRecoDecayHF2Prong *d,TList *&list,Int_t ptbin,Double_t azilist[30000],Int_t trkIDlist[30000],Int_t nprim,Int_t okD0,Int_t okD0bar,Bool_t isPeakD0,Bool_t isPeakD0bar,Bool_t isSideBandD0,Bool_t isSideBandD0bar)const;
e047b348 73 AliAODVertex* GetPrimaryVtxSkipped(AliAODEvent *aodev,AliAODRecoDecayHF2Prong *d);
76 Int_t GetPtBin(Double_t pt)const;
77 void SetD0Cuts(Int_t ptbin,Double_t &*d0cutsLoose,Double_t &*d0cutsTight);
79 // void InvMassSelection();
81 void SetCheckMC(Bool_t checkMC){fcheckMC=checkMC;}
82 void SetCheckMC_D0(Bool_t check_D0){fcheckMCD0=check_D0;}
83 void SetCheckMC_2prongs(Bool_t check2prongs){fcheckMC2prongs=check2prongs;}
84 void SetCheckMC_prompt(Bool_t checkprompt){fcheckMCprompt=checkprompt;}
85 void SetCheckMC_fromB(Bool_t checkfromB){fcheckMCfromB=checkfromB;}
86 void SetCheckMC_fromDstar(Bool_t skipD0star){fSkipD0star=skipD0star;}
87 void SetUseCuts(Bool_t usecuts){fD0usecuts=usecuts;}
88 void SetSideBands(Double_t sideband){fSideBands=sideband;}
89 void SetStudyPureBackground(Bool_t back){fStudyPureBackground=back;}
624c07ab 90 */
e047b348 91 AliRDHFCutsD0toKpi* GetLooseCut(){
92 return fCutsLoose;
93 }
94 AliRDHFCutsD0toKpi* GetTightCut(){
95 return fCutsTight;
96 }
97 /* void SetCutFunction(Int_t (*setcuts)(AliAnalysisTaskSECharmFraction*,Double_t,Double_t)){
98 fSetCuts=setcuts;
99 fStandCuts=kFALSE;
100 }
101 */
102 // Int_t SetCuts(AliAnalysisTaskSECharmFraction *alchfr,Double_t pt,Double_t invMassCut);
624c07ab 104 private:
d39e8f99 105 Bool_t FillHistos(AliAODRecoDecayHF2Prong *d,TList *&list,Int_t ptbin,Int_t okD0,Int_t okD0bar,Double_t invMassD0,Double_t invMassD0bar,Bool_t isPeakD0,Bool_t isPeakD0bar,Bool_t isSideBandD0,Bool_t isSideBandD0bar,Double_t massmumtrue,AliAODRecoDecayHF *aodDMC,Double_t *vtxTrue);
e047b348 106 void FillHistoMCproperties(TClonesArray *arrayMC);
108 AliRDHFCutsD0toKpi *fCutsLoose; // Loose cuts object
109 AliRDHFCutsD0toKpi *fCutsTight; // Vertexer heavy flavour
d39e8f99 110 Int_t fFastAnalysis; // Level of analysis speed: default is 1, switch it to 2 to fill the THnSparse
bf74e6db 111 Bool_t fReadMC; // Flag To switch on/off access to MC
cc3209fb 112 Bool_t fsplitMassD0D0bar; // Flag to use two shistos for D0 and D0bar invariant masses
e047b348 113 Bool_t fLikeSign; // Flag to analyse Like Sign array
114 Bool_t fusePID; // Flag to use PID
624c07ab 115 Double_t fmD0PDG; // MC D0 mass
116 Int_t fnbins; // Number of pt bins
e047b348 117 Float_t *fptbins; //[fnbins] ptbins
118 Int_t fNtrMaxforVtx; // N Max acceptable tracks used for vertex (0,1,2)
119 Double_t fptAll; //!Sum of pt of the reco tracks
120 Double_t fptAllSq; //!Sum of the square of the pt of the reco tracks
121 Double_t fptMax[3]; //!Three largest track pt in the event
c387e585 122 Double_t fAcceptanceCuts[3]; // array with acceptance cuts
624c07ab 123 Double_t fsignalInvMassCut; // invariant mass cut to define signal region
124 Double_t flargeInvMassCut; // invariant mass cut to accept all inv mass window
125 Double_t fsidebandInvMassCut; // invariant mass cut to define side band region lower limit
126 Double_t fsidebandInvMassWindow; // invariant mass cut to define side band region width
127 Bool_t fUseMC; // flag to use or not MC info
77ed0cdb 128 Bool_t fCleanCandOwnVtx; // flag to switch on/off cleaning of the candidate own vtx
ac4c229c 129 TH1F *fNentries; //!histo for #AOD analysed, container 1
130 TH1F *fSignalType; //!histo for the type of MC signal , container 2
131 TH1F *fSignalTypeLsCuts; //!histo for the type of MC signal with loose cuts , container 3
132 TH1F *fSignalTypeTghCuts; //!histo for the type of MC signal with tight cuts, container 4
bd0c851a 133 AliNormalizationCounter *fCounter; //!counter for the normalization
e047b348 134 TList *flistMCproperties; //!TLists for MC properties of D0 w.r.t. B mesons and c quarks cntainer 5
135 TList *flistNoCutsSignal; //!TList for signal (D prompt) with nocuts, container 6
136 TList *flistNoCutsBack; //!TList for background with nocuts, container 7
137 TList *flistNoCutsFromB; //!TList for D from B or D from Dstar from Bwith nocuts, container 8
138 TList *flistNoCutsFromDstar; //!TList for D from Dstar with nocuts, container 9
139 TList *flistNoCutsOther; //!TList for others with nocuts, container 10
140 TList *flistLsCutsSignal; //!TList for signal (D prompt) with loose cuts, container 11
141 TList *flistLsCutsBack; //!TList for background with loose cuts, container 12
142 TList *flistLsCutsFromB; //!TList for D from B or D from Dstar from B with loose cuts, container 13
143 TList *flistLsCutsFromDstar; //!TList for D from Dstar with loose cuts, container 14
144 TList *flistLsCutsOther; //!TList for others with loose cuts, container 15
145 TList *flistTghCutsSignal; //!TList for signal (D prompt) with tight cuts, container 16
146 TList *flistTghCutsBack; //!TList for backgrnd with tight cuts, container 17
147 TList *flistTghCutsFromB; //!TList for D from B or D from Dstar from Bwith tight cuts, container 18
148 TList *flistTghCutsFromDstar; //!TList for D from Dstar Dstar with tight cuts, container 19
149 TList *flistTghCutsOther; //!TList for others with tight cuts, container 20
624c07ab 150 /* Bool_t fD0usecuts; // Switch on the use of the cuts TO BE IMPLEMENTED
151 Bool_t fcheckMC; // Switch on MC check: minimum check is same mother TO BE IMPLEMENTED
152 Bool_t fcheckMCD0; // check the mother is a D0 TO BE IMPLEMENTED
153 Bool_t fcheckMC2prongs; // check the decay is in two prongs TO BE IMPLEMENTED
154 Bool_t fcheckMCprompt; // check the D0 comes from a c quark TO BE IMPLEMENTED
155 Bool_t fcheckMCfromB; // check the D0 comes from a b quark TO BE IMPLEMENTED
156 Bool_t fSkipD0star; // skip if D0 comes from a D* TO BE IMPLEMENTED
157 Bool_t fStudyd0fromBTrue; // Flag for analyze true impact par of D0 from B TO BE IMPLEMENTED
158 Bool_t fStudyPureBackground; // Flag to study the background (reverse the selection on the signal) TO BE IMPLEMENTED
159 Double_t fSideBands; //Side bands selection (see cxx) TO BE IMPLEMENTED
160 */
161 AliAnalysisTaskSECharmFraction(const AliAnalysisTaskSECharmFraction&); // not implemented
162 AliAnalysisTaskSECharmFraction& operator=(const AliAnalysisTaskSECharmFraction&); // not implemented
bd0c851a 164 ClassDef(AliAnalysisTaskSECharmFraction,3); // analysis task for prompt charm fraction
624c07ab 165};