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624c07ab | 1 | #ifndef ALIANALYSISTASKSECHARMFRACTION_H |
2 | #define ALIANALYSISTASKSECHARMFRACTION_H | |
3 | ||
4 | /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | //************************************************************************* | |
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 | // |
12 | // | |
624c07ab | 13 | // Author: Andrea Rossi andrea.rossi@ts.infn.it |
14 | //************************************************************************* | |
15 | ||
16 | class TH1F; | |
17 | class TH2F; | |
18 | class AliAODDEvent; | |
19 | class AliAODMCHeader; | |
20 | class AliAODRecoDecayHF2Prong; | |
21 | class AliAODRecoDecayHF; | |
22 | class AliAODMCParticle; | |
ac4c229c | 23 | class AliAnalysisVertexingHF; |
e047b348 | 24 | class AliRDHFCutsD0toKpi; |
624c07ab | 25 | #include "AliAnalysisTaskSE.h" |
26 | ||
27 | class AliAnalysisTaskSECharmFraction : public AliAnalysisTaskSE { | |
28 | public: | |
29 | AliAnalysisTaskSECharmFraction(); | |
30 | AliAnalysisTaskSECharmFraction(const char *name); | |
e047b348 | 31 | AliAnalysisTaskSECharmFraction(const char *name,AliRDHFCutsD0toKpi *cutsA,AliRDHFCutsD0toKpi *cutsB); |
32 | ||
624c07ab | 33 | virtual ~AliAnalysisTaskSECharmFraction(); |
e047b348 | 34 | |
624c07ab | 35 | // Implementation of interface methods |
36 | virtual void UserCreateOutputObjects(); | |
37 | virtual void Init(); | |
38 | virtual void LocalInit() {Init();} | |
39 | virtual void UserExec(Option_t *option); | |
40 | virtual void Terminate(Option_t *option); | |
bf74e6db | 41 | void SetReadMC(Bool_t readMC=kTRUE){fReadMC=readMC;} |
cc3209fb | 42 | void SetSplitMassD0D0bar(Bool_t splitD0D0bar=kTRUE){fsplitMassD0D0bar=splitD0D0bar;} |
43 | Bool_t GetIsSplitMassD0D0bar(){return fsplitMassD0D0bar;} | |
e047b348 | 44 | void SetUsePID(Bool_t pid){fusePID=pid;} |
45 | void SetAnalyzeLikeSign(Bool_t likesign=kFALSE){fLikeSign=likesign;} | |
46 | void SetNMaxTrForVtx(const Int_t ntrMaxforVtx){fNtrMaxforVtx=ntrMaxforVtx;} | |
47 | Int_t GetNMaxTrForVtx(){return fNtrMaxforVtx;} | |
48 | void SetPtBins(Int_t nbins,const Float_t *ptbins); | |
c387e585 | 49 | void SetSignalInvMassCut(const Double_t signalInvMassCut=0.027){fsignalInvMassCut=signalInvMassCut;} |
50 | void SetLargeInvMassCut(const Double_t largeInvMassCut=2.){flargeInvMassCut=largeInvMassCut;} | |
51 | 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 | 52 | fsidebandInvMassCut=sidebandInvMassCut; |
53 | } | |
c387e585 | 54 | void SetSideBandInvMassWindow(const Double_t sidebandInvMassWindow=0.108){//~ 6 times inv. mass resol. |
624c07ab | 55 | fsidebandInvMassWindow=sidebandInvMassWindow; |
ac4c229c | 56 | } |
e047b348 | 57 | 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 | 58 | void SetStandardMassSelection(); |
624c07ab | 59 | Int_t SetStandardCuts(Double_t pt,Double_t invMassCut); |
e047b348 | 60 | Int_t SetStandardCuts(Float_t *&ptbinlimits); |
624c07ab | 61 | void CheckInvMassD0(AliAODRecoDecayHF2Prong *d,Double_t &invMassD0,Double_t &invMassD0bar,Bool_t &isPeakD0,Bool_t &isPeakD0bar,Bool_t &isSideBandD0,Bool_t &isSideBandD0bar); |
ac4c229c | 62 | AliAODRecoDecayHF *GetD0toKPiSignalType(const AliAODRecoDecayHF2Prong *d,TClonesArray *arrayMC,Int_t &signaltype,Double_t &massMumTrue,Double_t *primaryVtx); |
63 | AliAODRecoDecayHF* ConstructFakeTrueSecVtx(const AliAODMCParticle *b1,const AliAODMCParticle *b2,const AliAODMCParticle *mum,Double_t *primaryVtxTrue); | |
64 | void SetUseMC(Bool_t useMC){fUseMC=useMC;} | |
e047b348 | 65 | Bool_t SpecialSelD0(AliAODRecoDecayHF2Prong *d,Int_t &nusedforVtx); |
66 | AliAODVertex* GetPrimaryVtxSkipped(AliAODEvent *aodev,AliAODRecoDecayHF2Prong *d); | |
67 | ||
68 | /* ######### THE FOLLOWING IS FOR FURTHER IMPLEMENATION ############ | |
69 | Int_t GetPtBin(Double_t pt)const; | |
70 | void SetD0Cuts(Int_t ptbin,Double_t &*d0cutsLoose,Double_t &*d0cutsTight); | |
71 | ||
72 | // void InvMassSelection(); | |
73 | ||
74 | void SetCheckMC(Bool_t checkMC){fcheckMC=checkMC;} | |
75 | void SetCheckMC_D0(Bool_t check_D0){fcheckMCD0=check_D0;} | |
76 | void SetCheckMC_2prongs(Bool_t check2prongs){fcheckMC2prongs=check2prongs;} | |
77 | void SetCheckMC_prompt(Bool_t checkprompt){fcheckMCprompt=checkprompt;} | |
78 | void SetCheckMC_fromB(Bool_t checkfromB){fcheckMCfromB=checkfromB;} | |
79 | void SetCheckMC_fromDstar(Bool_t skipD0star){fSkipD0star=skipD0star;} | |
80 | void SetUseCuts(Bool_t usecuts){fD0usecuts=usecuts;} | |
81 | void SetSideBands(Double_t sideband){fSideBands=sideband;} | |
82 | void SetStudyPureBackground(Bool_t back){fStudyPureBackground=back;} | |
624c07ab | 83 | */ |
e047b348 | 84 | AliRDHFCutsD0toKpi* GetLooseCut(){ |
85 | return fCutsLoose; | |
86 | } | |
87 | AliRDHFCutsD0toKpi* GetTightCut(){ | |
88 | return fCutsTight; | |
89 | } | |
90 | /* void SetCutFunction(Int_t (*setcuts)(AliAnalysisTaskSECharmFraction*,Double_t,Double_t)){ | |
91 | fSetCuts=setcuts; | |
92 | fStandCuts=kFALSE; | |
93 | } | |
94 | */ | |
95 | // Int_t SetCuts(AliAnalysisTaskSECharmFraction *alchfr,Double_t pt,Double_t invMassCut); | |
96 | ||
624c07ab | 97 | private: |
98 | 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 isSideBand,Double_t massmumtrue,AliAODRecoDecayHF *aodDMC,Double_t *vtxTrue); | |
e047b348 | 99 | void FillHistoMCproperties(TClonesArray *arrayMC); |
100 | ||
101 | AliRDHFCutsD0toKpi *fCutsLoose; // Loose cuts object | |
102 | AliRDHFCutsD0toKpi *fCutsTight; // Vertexer heavy flavour | |
bf74e6db | 103 | Bool_t fReadMC; // Flag To switch on/off access to MC |
cc3209fb | 104 | Bool_t fsplitMassD0D0bar; // Flag to use two shistos for D0 and D0bar invariant masses |
e047b348 | 105 | Bool_t fLikeSign; // Flag to analyse Like Sign array |
106 | Bool_t fusePID; // Flag to use PID | |
624c07ab | 107 | Double_t fmD0PDG; // MC D0 mass |
108 | Int_t fnbins; // Number of pt bins | |
e047b348 | 109 | Float_t *fptbins; //[fnbins] ptbins |
110 | Int_t fNtrMaxforVtx; // N Max acceptable tracks used for vertex (0,1,2) | |
111 | Double_t fptAll; //!Sum of pt of the reco tracks | |
112 | Double_t fptAllSq; //!Sum of the square of the pt of the reco tracks | |
113 | Double_t fptMax[3]; //!Three largest track pt in the event | |
c387e585 | 114 | Double_t fAcceptanceCuts[3]; // array with acceptance cuts |
624c07ab | 115 | Double_t fsignalInvMassCut; // invariant mass cut to define signal region |
116 | Double_t flargeInvMassCut; // invariant mass cut to accept all inv mass window | |
117 | Double_t fsidebandInvMassCut; // invariant mass cut to define side band region lower limit | |
118 | Double_t fsidebandInvMassWindow; // invariant mass cut to define side band region width | |
119 | Bool_t fUseMC; // flag to use or not MC info | |
ac4c229c | 120 | TH1F *fNentries; //!histo for #AOD analysed, container 1 |
121 | TH1F *fSignalType; //!histo for the type of MC signal , container 2 | |
122 | TH1F *fSignalTypeLsCuts; //!histo for the type of MC signal with loose cuts , container 3 | |
123 | TH1F *fSignalTypeTghCuts; //!histo for the type of MC signal with tight cuts, container 4 | |
e047b348 | 124 | TList *flistMCproperties; //!TLists for MC properties of D0 w.r.t. B mesons and c quarks cntainer 5 |
125 | TList *flistNoCutsSignal; //!TList for signal (D prompt) with nocuts, container 6 | |
126 | TList *flistNoCutsBack; //!TList for background with nocuts, container 7 | |
127 | TList *flistNoCutsFromB; //!TList for D from B or D from Dstar from Bwith nocuts, container 8 | |
128 | TList *flistNoCutsFromDstar; //!TList for D from Dstar with nocuts, container 9 | |
129 | TList *flistNoCutsOther; //!TList for others with nocuts, container 10 | |
130 | TList *flistLsCutsSignal; //!TList for signal (D prompt) with loose cuts, container 11 | |
131 | TList *flistLsCutsBack; //!TList for background with loose cuts, container 12 | |
132 | TList *flistLsCutsFromB; //!TList for D from B or D from Dstar from B with loose cuts, container 13 | |
133 | TList *flistLsCutsFromDstar; //!TList for D from Dstar with loose cuts, container 14 | |
134 | TList *flistLsCutsOther; //!TList for others with loose cuts, container 15 | |
135 | TList *flistTghCutsSignal; //!TList for signal (D prompt) with tight cuts, container 16 | |
136 | TList *flistTghCutsBack; //!TList for backgrnd with tight cuts, container 17 | |
137 | TList *flistTghCutsFromB; //!TList for D from B or D from Dstar from Bwith tight cuts, container 18 | |
138 | TList *flistTghCutsFromDstar; //!TList for D from Dstar Dstar with tight cuts, container 19 | |
139 | TList *flistTghCutsOther; //!TList for others with tight cuts, container 20 | |
624c07ab | 140 | /* Bool_t fD0usecuts; // Switch on the use of the cuts TO BE IMPLEMENTED |
141 | Bool_t fcheckMC; // Switch on MC check: minimum check is same mother TO BE IMPLEMENTED | |
142 | Bool_t fcheckMCD0; // check the mother is a D0 TO BE IMPLEMENTED | |
143 | Bool_t fcheckMC2prongs; // check the decay is in two prongs TO BE IMPLEMENTED | |
144 | Bool_t fcheckMCprompt; // check the D0 comes from a c quark TO BE IMPLEMENTED | |
145 | Bool_t fcheckMCfromB; // check the D0 comes from a b quark TO BE IMPLEMENTED | |
146 | Bool_t fSkipD0star; // skip if D0 comes from a D* TO BE IMPLEMENTED | |
147 | Bool_t fStudyd0fromBTrue; // Flag for analyze true impact par of D0 from B TO BE IMPLEMENTED | |
148 | Bool_t fStudyPureBackground; // Flag to study the background (reverse the selection on the signal) TO BE IMPLEMENTED | |
149 | Double_t fSideBands; //Side bands selection (see cxx) TO BE IMPLEMENTED | |
150 | */ | |
151 | AliAnalysisTaskSECharmFraction(const AliAnalysisTaskSECharmFraction&); // not implemented | |
152 | AliAnalysisTaskSECharmFraction& operator=(const AliAnalysisTaskSECharmFraction&); // not implemented | |
153 | ||
154 | ClassDef(AliAnalysisTaskSECharmFraction,1); // analysis task for prompt charm fraction | |
155 | }; | |
156 | ||
157 | #endif |