1 #ifndef ALIANALYSISTASKSECHARMFRACTION_H
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2 #define ALIANALYSISTASKSECHARMFRACTION_H
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4 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
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5 * See cxx source for full Copyright notice */
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7 //*************************************************************************
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8 // Class AliAnalysisTaskSECharmFraction
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9 // AliAnalysisTask for the extraction of the fraction of prompt charm
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10 // using the charm hadron impact parameter to the primary vertex
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13 // Author: Andrea Rossi andrea.rossi@pd.infn.it
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14 //*************************************************************************
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19 class AliAODMCHeader;
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20 class AliAODRecoDecayHF2Prong;
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21 class AliAODRecoDecayHF;
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22 class AliAODMCParticle;
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23 class AliAnalysisVertexingHF;
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24 class AliRDHFCutsD0toKpi;
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25 class AliNormalizationCounter;
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27 #include "AliAnalysisTaskSE.h"
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29 class AliAnalysisTaskSECharmFraction : public AliAnalysisTaskSE {
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31 AliAnalysisTaskSECharmFraction();
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32 AliAnalysisTaskSECharmFraction(const char *name);
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33 AliAnalysisTaskSECharmFraction(const char *name,AliRDHFCutsD0toKpi *cutsA,AliRDHFCutsD0toKpi *cutsB);
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35 virtual ~AliAnalysisTaskSECharmFraction();
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37 // Implementation of interface methods
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38 virtual void UserCreateOutputObjects();
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39 virtual void Init();
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40 virtual void LocalInit() {Init();}
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41 virtual void UserExec(Option_t *option);
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42 virtual void Terminate(Option_t *option);
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43 void SetReadMC(Bool_t readMC=kTRUE){fReadMC=readMC;}
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44 void SetSplitMassD0D0bar(Bool_t splitD0D0bar=kTRUE){fsplitMassD0D0bar=splitD0D0bar;}
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45 Bool_t GetIsSplitMassD0D0bar(){return fsplitMassD0D0bar;}
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46 void SetUsePID(Bool_t pid){fusePID=pid;}
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47 void SetAnalyzeLikeSign(Bool_t likesign=kFALSE){fLikeSign=likesign;}
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48 void SetNMaxTrForVtx(const Int_t ntrMaxforVtx){fNtrMaxforVtx=ntrMaxforVtx;}
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49 Int_t GetNMaxTrForVtx(){return fNtrMaxforVtx;}
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50 void SetPtBins(Int_t nbins,const Float_t *ptbins);
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51 void SetSignalInvMassCut(const Double_t signalInvMassCut=0.027){fsignalInvMassCut=signalInvMassCut;}
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52 void SetLargeInvMassCut(const Double_t largeInvMassCut=2.){flargeInvMassCut=largeInvMassCut;}
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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
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54 fsidebandInvMassCut=sidebandInvMassCut;
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56 void SetSideBandInvMassWindow(const Double_t sidebandInvMassWindow=0.108){//~ 6 times inv. mass resol.
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57 fsidebandInvMassWindow=sidebandInvMassWindow;
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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;}
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60 void SetStandardMassSelection();
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61 Int_t SetStandardCuts(Double_t pt,Double_t invMassCut);
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62 Int_t SetStandardCuts(Float_t *&ptbinlimits);
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63 void CheckInvMassD0(AliAODRecoDecayHF2Prong *d,Double_t &invMassD0,Double_t &invMassD0bar,Bool_t &isPeakD0,Bool_t &isPeakD0bar,Bool_t &isSideBandD0,Bool_t &isSideBandD0bar);
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64 void SetAnalysisLevel(Int_t level){fFastAnalysis=level;}
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65 Int_t GetAnalysisLevel(){return fFastAnalysis;}
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66 Int_t CheckOrigin(const TClonesArray* arrayMC, const AliAODMCParticle *mcPartCandidate)const;
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67 AliAODRecoDecayHF *GetD0toKPiSignalType(const AliAODRecoDecayHF2Prong *d,TClonesArray *arrayMC,Int_t &signaltype,Double_t &massMumTrue,Double_t *primaryVtx);
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68 AliAODRecoDecayHF *GetD0toKPiSignalTypeObsolete(const AliAODRecoDecayHF2Prong *d,TClonesArray *arrayMC,Int_t &signaltype,Double_t &massMumTrue,Double_t *primaryVtx);
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69 AliAODRecoDecayHF* ConstructFakeTrueSecVtx(const AliAODMCParticle *b1,const AliAODMCParticle *b2,const AliAODMCParticle *mum,Double_t *primaryVtxTrue);
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70 void SetUseMC(Bool_t useMC){fUseMC=useMC;}
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71 Bool_t SpecialSelD0(AliAODRecoDecayHF2Prong *d,Int_t &nusedforVtx);
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72 Bool_t FillAziList(AliAODEvent *aod,Double_t azilist[30000],Int_t trkIDlist[30000],Int_t &nprim)const;
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73 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;
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75 AliAODVertex* GetPrimaryVtxSkipped(AliAODEvent *aodev,AliAODRecoDecayHF2Prong *d);
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77 /* ######### THE FOLLOWING IS FOR FURTHER IMPLEMENATION ############
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78 Int_t GetPtBin(Double_t pt)const;
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79 void SetD0Cuts(Int_t ptbin,Double_t &*d0cutsLoose,Double_t &*d0cutsTight);
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81 // void InvMassSelection();
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83 void SetCheckMC(Bool_t checkMC){fcheckMC=checkMC;}
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84 void SetCheckMC_D0(Bool_t check_D0){fcheckMCD0=check_D0;}
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85 void SetCheckMC_2prongs(Bool_t check2prongs){fcheckMC2prongs=check2prongs;}
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86 void SetCheckMC_prompt(Bool_t checkprompt){fcheckMCprompt=checkprompt;}
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87 void SetCheckMC_fromB(Bool_t checkfromB){fcheckMCfromB=checkfromB;}
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88 void SetCheckMC_fromDstar(Bool_t skipD0star){fSkipD0star=skipD0star;}
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89 void SetUseCuts(Bool_t usecuts){fD0usecuts=usecuts;}
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90 void SetSideBands(Double_t sideband){fSideBands=sideband;}
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91 void SetStudyPureBackground(Bool_t back){fStudyPureBackground=back;}
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93 AliRDHFCutsD0toKpi* GetLooseCut(){
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96 AliRDHFCutsD0toKpi* GetTightCut(){
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99 /* void SetCutFunction(Int_t (*setcuts)(AliAnalysisTaskSECharmFraction*,Double_t,Double_t)){
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104 // Int_t SetCuts(AliAnalysisTaskSECharmFraction *alchfr,Double_t pt,Double_t invMassCut);
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107 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);
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108 void FillHistoMCproperties(TClonesArray *arrayMC);
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110 AliRDHFCutsD0toKpi *fCutsLoose; // Loose cuts object
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111 AliRDHFCutsD0toKpi *fCutsTight; // Vertexer heavy flavour
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112 Int_t fFastAnalysis; // Level of analysis speed: default is 1, switch it to 2 to fill the THnSparse
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113 Bool_t fReadMC; // Flag To switch on/off access to MC
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114 Bool_t fsplitMassD0D0bar; // Flag to use two shistos for D0 and D0bar invariant masses
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115 Bool_t fLikeSign; // Flag to analyse Like Sign array
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116 Bool_t fusePID; // Flag to use PID
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117 Double_t fmD0PDG; // MC D0 mass
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118 Int_t fnbins; // Number of pt bins
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119 Float_t *fptbins; //[fnbins] ptbins
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120 Int_t fNtrMaxforVtx; // N Max acceptable tracks used for vertex (0,1,2)
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121 Double_t fptAll; //!Sum of pt of the reco tracks
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122 Double_t fptAllSq; //!Sum of the square of the pt of the reco tracks
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123 Double_t fptMax[3]; //!Three largest track pt in the event
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124 Double_t fAcceptanceCuts[3]; // array with acceptance cuts
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125 Double_t fsignalInvMassCut; // invariant mass cut to define signal region
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126 Double_t flargeInvMassCut; // invariant mass cut to accept all inv mass window
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127 Double_t fsidebandInvMassCut; // invariant mass cut to define side band region lower limit
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128 Double_t fsidebandInvMassWindow; // invariant mass cut to define side band region width
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129 Bool_t fUseMC; // flag to use or not MC info
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130 Bool_t fCleanCandOwnVtx; // flag to switch on/off cleaning of the candidate own vtx
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131 TH1F *fNentries; //!histo for #AOD analysed, container 1
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132 TH1F *fSignalType; //!histo for the type of MC signal , container 2
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133 TH1F *fSignalTypeLsCuts; //!histo for the type of MC signal with loose cuts , container 3
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134 TH1F *fSignalTypeTghCuts; //!histo for the type of MC signal with tight cuts, container 4
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135 AliNormalizationCounter *fCounter; //!counter for the normalization
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136 TList *flistMCproperties; //!TLists for MC properties of D0 w.r.t. B mesons and c quarks cntainer 5
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137 TList *flistNoCutsSignal; //!TList for signal (D prompt) with nocuts, container 6
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138 TList *flistNoCutsBack; //!TList for background with nocuts, container 7
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139 TList *flistNoCutsFromB; //!TList for D from B or D from Dstar from Bwith nocuts, container 8
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140 TList *flistNoCutsFromDstar; //!TList for D from Dstar with nocuts, container 9
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141 TList *flistNoCutsOther; //!TList for others with nocuts, container 10
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142 TList *flistLsCutsSignal; //!TList for signal (D prompt) with loose cuts, container 11
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143 TList *flistLsCutsBack; //!TList for background with loose cuts, container 12
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144 TList *flistLsCutsFromB; //!TList for D from B or D from Dstar from B with loose cuts, container 13
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145 TList *flistLsCutsFromDstar; //!TList for D from Dstar with loose cuts, container 14
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146 TList *flistLsCutsOther; //!TList for others with loose cuts, container 15
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147 TList *flistTghCutsSignal; //!TList for signal (D prompt) with tight cuts, container 16
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148 TList *flistTghCutsBack; //!TList for backgrnd with tight cuts, container 17
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149 TList *flistTghCutsFromB; //!TList for D from B or D from Dstar from Bwith tight cuts, container 18
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150 TList *flistTghCutsFromDstar; //!TList for D from Dstar Dstar with tight cuts, container 19
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151 TList *flistTghCutsOther; //!TList for others with tight cuts, container 20
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152 /* Bool_t fD0usecuts; // Switch on the use of the cuts TO BE IMPLEMENTED
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153 Bool_t fcheckMC; // Switch on MC check: minimum check is same mother TO BE IMPLEMENTED
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154 Bool_t fcheckMCD0; // check the mother is a D0 TO BE IMPLEMENTED
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155 Bool_t fcheckMC2prongs; // check the decay is in two prongs TO BE IMPLEMENTED
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156 Bool_t fcheckMCprompt; // check the D0 comes from a c quark TO BE IMPLEMENTED
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157 Bool_t fcheckMCfromB; // check the D0 comes from a b quark TO BE IMPLEMENTED
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158 Bool_t fSkipD0star; // skip if D0 comes from a D* TO BE IMPLEMENTED
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159 Bool_t fStudyd0fromBTrue; // Flag for analyze true impact par of D0 from B TO BE IMPLEMENTED
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160 Bool_t fStudyPureBackground; // Flag to study the background (reverse the selection on the signal) TO BE IMPLEMENTED
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161 Double_t fSideBands; //Side bands selection (see cxx) TO BE IMPLEMENTED
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163 AliAnalysisTaskSECharmFraction(const AliAnalysisTaskSECharmFraction&); // not implemented
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164 AliAnalysisTaskSECharmFraction& operator=(const AliAnalysisTaskSECharmFraction&); // not implemented
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166 ClassDef(AliAnalysisTaskSECharmFraction,3); // analysis task for prompt charm fraction
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