PWGJE/EMCALJetTasks/UserTasks/AliAnalysisTaskRhoVnModulation.h

   1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */
   2 /* See cxx source for full Copyright notice */
   3 /* $Id$ */
   4
   5 #ifndef ALIANALYSISTASKRHOVNMODULATION_H
   6 #define ALIANALYSISTASKRHOVNMODULATION_H
   7
   8 #include <AliAnalysisTaskEmcalJet.h>
   9 #include <AliEmcalJet.h>
  10 #include <AliVEvent.h>
  11 #include <AliVTrack.h>
  12 #include <AliVCluster.h>
  13 #include <TClonesArray.h>
  14 #include <TMath.h>
  15 #include <TRandom3.h>
  16
  17 class TF1;
  18 class THF1;
  19 class THF2;
  20 class TProfile;
  21
  22 class AliAnalysisTaskRhoVnModulation : public AliAnalysisTaskEmcalJet
  23 {
  24     public:
  25          // enumerators
  26         enum fitModulationType  { kNoFit, kV2, kV3, kCombined, kFourierSeries, kIntegratedFlow, kQC2, kQC4 }; // fit type
  27         enum runModeType        { kLocal, kGrid };                      // run mode type
  28         enum dataType           { kESD, kAOD, kESDMC, kAODMC };         // data type
  29         enum detectorType       { kTPC, kVZEROA, kVZEROC};    // detector that was used
  30         // constructors, destructor
  31                                 AliAnalysisTaskRhoVnModulation();
  32                                 AliAnalysisTaskRhoVnModulation(const char *name, runModeType type);
  33         virtual                 ~AliAnalysisTaskRhoVnModulation();
  34
  35         // setting up the task and technical aspects
  36         Bool_t                  InitializeAnalysis();
  37         virtual void            UserCreateOutputObjects();
  38         virtual Bool_t          Run();
  39         TH1F*                   BookTH1F(const char* name, const char* x, Int_t bins, Double_t min, Double_t max, Int_t c = -1, Bool_t append = kTRUE);
  40         TH2F*                   BookTH2F(const char* name, const char* x, const char* y, Int_t binsx, Double_t minx, Double_t maxx, Int_t binsy, Double_t miny, Double_t maxy, Int_t c = -1, Bool_t append = kTRUE);
  41         /* inline */    Double_t PhaseShift(Double_t x) const {
  42             while (x>=TMath::TwoPi())x-=TMath::TwoPi();
  43             while (x<0.)x+=TMath::TwoPi();
  44             return x; }
  45         /* inline */    Double_t PhaseShift(Double_t x, Double_t n) const {
  46             x = PhaseShift(x);
  47             if(TMath::Nint(n)==2) while (x>TMath::Pi()) x-=TMath::Pi();
  48             if(TMath::Nint(n)==3) {
  49                 if(x>2.*TMath::TwoPi()/n) x = TMath::TwoPi() - x;
  50                 if(x>TMath::TwoPi()/n) x = TMath::TwoPi()-(x+TMath::TwoPi()/n);
  51             }
  52             return x; }
  53         /* inline */    Double_t ChiSquarePDF(Int_t ndf, Double_t x) const {
  54             Double_t n(ndf/2.), denom(TMath::Power(2, n)*TMath::Gamma(n));
  55             if (denom!=0)  return ((1./denom)*TMath::Power(x, n-1)*TMath::Exp(-x/2.));
  56             return -999; }
  57         // note that the cdf of the chisquare distribution is the normalized lower incomplete gamma function
  58         /* inline */    Double_t ChiSquareCDF(Int_t ndf, Double_t x) const { return TMath::Gamma(ndf/2., x/2.); }
  59         /* inline */    Double_t RhoVal() const { return (fRho) ? fRho->GetVal(): -999.;}
  60         /* inline */    Double_t RhoVal(Double_t phi, Double_t r, Double_t n) const {
  61             if(!fFitModulation) return RhoVal(); // coverity
  62             switch (fFitModulationType) {
  63                 case kNoFit : return RhoVal();
  64                 default : {
  65                     Double_t denom(2*r*fFitModulation->GetParameter(0));
  66                     return  (denom <= 0.) ? RhoVal() : n*(fFitModulation->Integral(phi-r, phi+r)/denom);
  67                 }
  68             }
  69         }
  70         // setters - analysis setup
  71         void                    SetDebugMode(Int_t d)                           {fDebug = d;}
  72         void                    SetFillQAHistograms(Bool_t qa)                  {fFillQAHistograms = qa;}
  73         void                    SetCentralityClasses(TArrayI* c)                {fCentralityClasses = c;}
  74         void                    SetIntegratedFlow(TH1F* i, TH1F* j)             {fUserSuppliedV2 = i;
  75                                                                                  fUserSuppliedV3 = j; }
  76         void                    SetOnTheFlyResCorrection(TH1F* r2, TH1F* r3)    {fUserSuppliedR2 = r2;
  77                                                                                  fUserSuppliedR3 = r3; }
  78         void                    SetNameJetClones(const char* name)              {fNameJetClones = name; }
  79         void                    SetNamePicoTrackClones(const char* name)        {fNamePicoTrackClones = name; }
  80         void                    SetNameRho(const char* name)                    {fNameRho = name; }
  81         void                    SetRandomSeed(TRandom3* r)                      {if (fRandom) delete fRandom; fRandom = r; }
  82         void                    SetModulationFit(TF1* fit)                      {if (fFitModulation) delete fFitModulation;
  83                                                                                  fFitModulation = fit; }
  84         void                    SetModulationFitMinMaxP(Float_t m, Float_t n)   {fMinPvalue = m; fMaxPvalue = n; }
  85         void                    SetModulationFitType(fitModulationType type)    {fFitModulationType = type; }
  86         void                    SetModulationFitOptions(TString opt)            {fFitModulationOptions = opt; }
  87         void                    SetReferenceDetector(detectorType type)         {fDetectorType = type; }
  88         void                    SetUsePtWeight(Bool_t w)                        {fUsePtWeight = w; }
  89         void                    SetRunModeType(runModeType type)                {fRunModeType = type; }
  90         void                    SetAbsVertexZ(Float_t v)                        {fAbsVertexZ = v; }
  91         void                    SetMinDistanceRctoLJ(Float_t m)                 {fMinDisanceRCtoLJ = m; }
  92         void                    SetRandomConeRadius(Float_t r)                  {fRandomConeRadius = r; }
  93         void                    SetMinLeadingHadronPt(Double_t m)               {fMinLeadingHadronPt = m; }
  94         void                    SetForceAbsVnHarmonics(Bool_t f)                {fAbsVnHarmonics = f; }
  95         void                    SetExcludeLeadingJetsFromFit(Float_t n)         {fExcludeLeadingJetsFromFit = n; }
  96         void                    SetRebinSwapHistoOnTheFly(Bool_t r)             {fRebinSwapHistoOnTheFly = r; }
  97         void                    SetSaveThisPercentageOfFits(Float_t p)          {fPercentageOfFits = p; }
  98         void                    SetUseV0EventPlaneFromHeader(Bool_t h)          {fUseV0EventPlaneFromHeader = h;}
  99         void                    SetSetPtSub(Bool_t s)                           {fSetPtSub = s; }
 100         void                    SetExplicitOutlierCutForYear(Int_t y)           {fExplicitOutlierCut = y;}
 101         // local cuts
 102         void                    SetLocalJetMinMaxEta(Float_t min, Float_t max)  {fLocalJetMinEta = min; fLocalJetMaxEta = max;}
 103         void                    SetLocalJetMinMaxEta(Float_t R)                 {fLocalJetMinEta = - 0.9 + R; fLocalJetMaxEta = 0.9 - R; }
 104         void                    SetLocalJetMinMaxPhi(Float_t min, Float_t max)  {fLocalJetMinPhi = min; fLocalJetMaxEta = max;}
 105         void                    SetSoftTrackMinMaxPt(Float_t min, Float_t max)  {fSoftTrackMinPt = min; fSoftTrackMaxPt = max;}
 106         // numerical evaluations
 107         void                    CalculateEventPlaneVZERO(Double_t vzero[2][2]) const;
 108         void                    CalculateEventPlaneTPC(Double_t* tpc);
 109         void                    CalculateEventPlaneResolution(Double_t vzero[2][2], Double_t* tpc) const;
 110         void                    CalculateRandomCone(Float_t &pt, Float_t &eta, Float_t &phi, AliEmcalJet* jet = 0x0, Bool_t randomize = 0) const;
 111         Double_t                CalculateQC2(Int_t harm);
 112         Double_t                CalculateQC4(Int_t harm);
 113         // helper calculations for the q-cumulant analysis
 114         void                    QCnQnk(Int_t n, Int_t k, Double_t &reQ, Double_t &imQ);
 115         Double_t                QCnS(Int_t i, Int_t j);
 116         Double_t                QCnM();
 117         Double_t                QCnM11();
 118         Double_t                QCnM1111();
 119         // analysis details
 120         Bool_t                  CorrectRho(Double_t psi2, Double_t psi3);
 121         // event and track selection
 122         /* inline */    Bool_t PassesCuts(const AliVTrack* track) const {
 123             if(!track) return kFALSE;
 124             return (track->Pt() < fTrackPtCut || track->Eta() < fTrackMinEta || track->Eta() > fTrackMaxEta || track->Phi() < fTrackMinPhi || track->Phi() > fTrackMaxPhi) ? kFALSE : kTRUE; }
 125         /* inline */    Bool_t PassesCuts(AliEmcalJet* jet) const {
 126             if(!jet || fJetRadius <= 0) return kFALSE;
 127             return (GetLeadingHadronPt(jet) < fMinLeadingHadronPt || jet->Pt() < fJetPtCut || jet->Area()/(fJetRadius*fJetRadius*TMath::Pi()) < fPercAreaCut || jet->Eta() < fJetMinEta || jet->Eta() > fJetMaxEta || jet->Phi() < fJetMinPhi || jet->Phi() > fJetMaxPhi) ? kFALSE : kTRUE; }
 128         Bool_t                  PassesCuts(AliVEvent* event);
 129         Bool_t                  PassesCuts(Int_t year);
 130         Bool_t                  PassesCuts(const AliVCluster* track) const;
 131         // filling histograms
 132         void                    FillHistogramsAfterSubtraction(Double_t vzero[2][2], Double_t* tpc) const;
 133         void                    FillTrackHistograms() const;
 134         void                    FillClusterHistograms() const;
 135         void                    FillCorrectedClusterHistograms() const;
 136         void                    FillEventPlaneHistograms(Double_t vzero[2][2], Double_t* tpc) const;
 137         void                    FillRhoHistograms() const;
 138         void                    FillDeltaPtHistograms(Double_t psi2, Double_t psi3) const;
 139         void                    FillJetHistograms(Double_t vzero[2][2], Double_t* psi) const;
 140         void                    FillDeltaPhiHistograms(Double_t vzero[2][2], Double_t* tpc) const;
 141         void                    FillQAHistograms(AliVTrack* vtrack) const;
 142         void                    FillQAHistograms(AliVEvent* vevent);
 143         void                    FillAnalysisSummaryHistogram() const;
 144         virtual void            Terminate(Option_t* option);
 145         // interface methods for the output file
 146         void                    SetOutputList(TList* l) {fOutputList = l;}
 147         TH1F*                   GetResolutionFromOuptutFile(detectorType detector, Int_t h = 2, TArrayD* c = 0x0);
 148         TH1F*                   CorrectForResolutionDiff(TH1F* v, detectorType detector, TArrayD* cen, Int_t c, Int_t h = 2);
 149         TH1F*                   CorrectForResolutionInt(TH1F* v, detectorType detector, TArrayD* cen, Int_t h = 2);
 150     private:
 151         // analysis flags and settings
 152         Int_t                   fDebug;                 // debug level (0 none, 1 fcn calls, 2 verbose)
 153         Bool_t                  fInitialized;           //! is the analysis initialized?
 154         Bool_t                  fFillQAHistograms;      // fill qa histograms
 155         TArrayI*                fCentralityClasses;     //-> centrality classes (maximum 10)
 156         TH1F*                   fUserSuppliedV2;        // histo with integrated v2
 157         TH1F*                   fUserSuppliedV3;        // histo with integrated v3
 158         TH1F*                   fUserSuppliedR2;        // correct the extracted v2 with this r
 159         TH1F*                   fUserSuppliedR3;        // correct the extracted v3 with this r
 160         // members
 161         Int_t                   fNAcceptedTracks;       //! number of accepted tracks
 162         Int_t                   fNAcceptedTracksQCn;    //! accepted tracks for QCn
 163         fitModulationType       fFitModulationType;     // fit modulation type
 164         Bool_t                  fUsePtWeight;           // use dptdphi instead of dndphi
 165         detectorType            fDetectorType;          // type of detector used for modulation fit
 166         TString                 fFitModulationOptions;  // fit options for modulation fit
 167         runModeType             fRunModeType;           // run mode type
 168         dataType                fDataType;              // datatype
 169         TRandom3*               fRandom;                //-> dont use gRandom to not interfere with other tasks
 170         Int_t                   fMappedRunNumber;       //! mapped runnumer (for QA)
 171         Int_t                   fInCentralitySelection; //! centrality bin
 172         TF1*                    fFitModulation;         //-> modulation fit for rho
 173         Float_t                 fMinPvalue;             // minimum value of p
 174         Float_t                 fMaxPvalue;             // maximum value of p
 175         const char*             fNameJetClones;         //! collection of tclones array with jets
 176         const char*             fNamePicoTrackClones;   //! collection of tclones with pico tracks
 177         const char*             fNameRho;               //! name of rho
 178         // additional jet cuts (most are inherited)
 179         Float_t                 fLocalJetMinEta;        // local eta cut for jets
 180         Float_t                 fLocalJetMaxEta;        // local eta cut for jets
 181         Float_t                 fLocalJetMinPhi;        // local phi cut for jets
 182         Float_t                 fLocalJetMaxPhi;        // local phi cut for jets
 183         Float_t                 fSoftTrackMinPt;        // min pt for soft tracks
 184         Float_t                 fSoftTrackMaxPt;        // max pt for soft tracks
 185         // event cuts
 186         Float_t                 fAbsVertexZ;            // cut on zvertex
 187         // general qa histograms
 188         TH1F*                   fHistCentrality;        //! accepted centrality
 189         TH1F*                   fHistVertexz;           //! accepted verte
 190         TH2F*                   fHistRunnumbersPhi;     //! run numbers averaged phi
 191         TH2F*                   fHistRunnumbersEta;     //! run numbers averaged eta
 192         TH1F*                   fHistPvaluePDF;         //! pdf value of chisquare p
 193         TH1F*                   fHistPvalueCDF;         //! cdf value of chisquare p
 194         // general settings
 195         Float_t                 fMinDisanceRCtoLJ;      // min distance between rc and leading jet
 196         Float_t                 fRandomConeRadius;      // radius of random cone
 197         Bool_t                  fAbsVnHarmonics;        // force postive local rho
 198         Float_t                 fExcludeLeadingJetsFromFit;    // exclude n leading jets from fit
 199         Bool_t                  fRebinSwapHistoOnTheFly;       // rebin swap histo on the fly
 200         Float_t                 fPercentageOfFits;      // save this percentage of fits
 201         Bool_t                  fUseV0EventPlaneFromHeader;    // use the vzero event plane from the header
 202         Bool_t                  fSetPtSub;              // store the subtracted pt in the jet
 203         Int_t                   fExplicitOutlierCut;    // cut on correlation of tpc and global multiplicity
 204         Double_t                fMinLeadingHadronPt;    // minimum pt for leading hadron
 205         // transient object pointers
 206         TList*                  fOutputList;            //! output list
 207         TList*                  fOutputListGood;        //! output list for local analysis
 208         TList*                  fOutputListBad;         //! output list for local analysis
 209         TH1F*                   fHistAnalysisSummary;   //! analysis summary
 210         TH1F*                   fHistSwap;              //! swap histogram
 211         TProfile*               fProfV2;                //! extracted v2
 212         TProfile*               fProfV2Cumulant;        //! v2 cumulant
 213         TProfile*               fProfV2Resolution[10];  //! resolution parameters for v2
 214         TProfile*               fProfV3;                //! extracted v3
 215         TProfile*               fProfV3Cumulant;        //! v3 cumulant
 216         TProfile*               fProfV3Resolution[10];  //! resolution parameters for v3
 217         // qa histograms for accepted pico tracks
 218         TH1F*                   fHistPicoTrackPt[10];    //! pt of all charged tracks
 219         TH2F*                   fHistPicoCat1[10];       //! pico tracks spd hit and refit
 220         TH2F*                   fHistPicoCat2[10];       //! pico tracks wo spd hit w refit, constrained
 221         TH2F*                   fHistPicoCat3[10];       //! pico tracks wo spd hit wo refit, constrained
 222         // qa histograms for accepted emcal clusters
 223         /* TH1F*                   fHistClusterPt[10];      //! pt uncorrected emcal clusters */
 224         /* TH1F*                   fHistClusterPhi[10];     //! phi uncorrected emcal clusters */
 225         /* TH1F*                   fHistClusterEta[10];     //! eta uncorrected emcal clusters */
 226         // qa histograms for accepted emcal clusters aftehadronic correction
 227         /* TH1F*                   fHistClusterCorrPt[10];  //! pt corrected emcal clusters */
 228         /* TH1F*                   fHistClusterCorrPhi[10]; //! phi corrected emcal clusters */
 229         /* TH1F*                   fHistClusterCorrEta[10]; //! eta corrected emcal clusters */
 230         // qa event planes
 231         TProfile*               fHistPsiControl;         //! event plane control histogram
 232         TProfile*               fHistPsiSpread;          //! event plane spread histogram
 233         TH1F*                   fHistPsiVZEROA;          //! psi 2 from vzero a
 234         TH1F*                   fHistPsiVZEROC;          //! psi 2 from vzero c
 235         TH1F*                   fHistPsiTPC;             //! psi 2 from tpc
 236         // background
 237         TH1F*                   fHistRhoPackage[10];     //! rho as estimated by emcal jet package
 238         TH1F*                   fHistRho[10];            //! background
 239         TH2F*                   fHistRhoVsMult;          //! rho versus multiplicity
 240         TH2F*                   fHistRhoVsCent;          //! rho veruss centrality
 241         TH2F*                   fHistRhoAVsMult;         //! rho * A vs multiplicity for all jets
 242         TH2F*                   fHistRhoAVsCent;         //! rho * A vs centrality for all jets
 243         // delta pt distributions
 244         TH2F*                   fHistRCPhiEta[10];              //! random cone eta and phi
 245         TH2F*                   fHistRhoVsRCPt[10];             //! rho * A vs rcpt
 246         TH1F*                   fHistRCPt[10];                  //! rcpt
 247         TH2F*                   fHistDeltaPtDeltaPhi2[10];      //! dpt vs dphi
 248         TH2F*                   fHistDeltaPtDeltaPhi3[10];      //! dpt vs dphi
 249         TH2F*                   fHistRCPhiEtaExLJ[10];          //! random cone eta and phi, excl leading jet
 250         TH2F*                   fHistRhoVsRCPtExLJ[10];         //! rho * A vs rcpt, excl leading jet
 251         TH1F*                   fHistRCPtExLJ[10];              //! rcpt, excl leading jet
 252         TH2F*                   fHistDeltaPtDeltaPhi2ExLJ[10];  //! dpt vs dphi, excl leading jet
 253         TH2F*                   fHistDeltaPtDeltaPhi3ExLJ[10];  //! dpt vs dphi, excl leading jet
 254         /* TH2F*                   fHistRCPhiEtaRand[10];          //! random cone eta and phi, randomized */
 255         /* TH2F*                   fHistRhoVsRCPtRand[10];         //! rho * A vs rcpt, randomized */
 256         /* TH1F*                   fHistRCPtRand[10];              //! rcpt, randomized */
 257         /* TH2F*                   fHistDeltaPtDeltaPhi2Rand[10];  //! dpt vs dphi, randomized */
 258         /* TH2F*                   fHistDeltaPtDeltaPhi3Rand[10];  //! dpt vs dphi, randomized */
 259         // jet histograms (after kinematic cuts)
 260         TH1F*                   fHistJetPtRaw[10];              //! jet pt - no background subtraction
 261         TH1F*                   fHistJetPt[10];                 //! pt of found jets (background subtracted)
 262         TH2F*                   fHistJetEtaPhi[10];             //! eta and phi correlation
 263         TH2F*                   fHistJetPtArea[10];             //! jet pt versus area
 264         TH2F*                   fHistJetPtConstituents[10];     //! jet pt versus number of constituents
 265         TH2F*                   fHistJetEtaRho[10];             //! jet eta versus jet rho
 266         // in plane, out of plane jet spectra
 267         TH2F*                   fHistJetPsiTPCPt[10];            //! psi tpc versus pt
 268         TH2F*                   fHistJetPsiVZEROAPt[10];         //! psi vzeroa versus pt
 269         TH2F*                   fHistJetPsiVZEROCPt[10];         //! psi vzeroc versus pt
 270         // phi minus psi
 271         TH1F*                   fHistDeltaPhi2VZEROA[10];       //! phi minus psi_A
 272         TH1F*                   fHistDeltaPhi2VZEROC[10];       //! phi minus psi_C
 273         TH1F*                   fHistDeltaPhi2TPC[10];          //! phi minus psi_TPC
 274         TH1F*                   fHistDeltaPhi3VZEROA[10];       //! phi minus psi_A
 275         TH1F*                   fHistDeltaPhi3VZEROC[10];       //! phi minus psi_C
 276         TH1F*                   fHistDeltaPhi3TPC[10];          //! phi minus psi_TPC
 277
 278         AliAnalysisTaskRhoVnModulation(const AliAnalysisTaskRhoVnModulation&);                  // not implemented
 279         AliAnalysisTaskRhoVnModulation& operator=(const AliAnalysisTaskRhoVnModulation&);       // not implemented
 280
 281         ClassDef(AliAnalysisTaskRhoVnModulation, 12);
 282 };
 283
 284 #endif