1 #ifndef ALIRESONANCEKINK_H
2 #define ALIRESONANCEKINK_H
4 /* See cxx source for full Copyright notice */
6 //------------------------------------------------------------------------------
7 // class AliResonanceKink
8 // This task is an example of an analysis task
9 // for analysing resonances having one kaon kink
10 //Author: Paraskevi Ganoti, University of Athens (pganoti@phys.uoa.gr)
11 //------------------------------------------------------------------------------
25 class AliResonanceKink : public TObject {
28 enum ResonanceType {kPhi=333, kKstar0=313, kLambda1520=3124};
31 AliResonanceKink(Int_t nbins, Float_t nlowx, Float_t nhighx, Int_t netabins, Float_t nloweta, Float_t nupeta, Int_t nptbins, Float_t nlowpt, Float_t nupperpt, Int_t daughter1, Int_t daughter2, Int_t resonancePDG);
32 virtual ~AliResonanceKink();
34 TList* GetHistogramList();
35 void Analyse(AliESDEvent* esd, AliMCEvent* mcEvent);
36 void Analyse(AliESDEvent* esd);
37 Float_t GetSigmaToVertex(AliESDtrack* esdTrack) const ;
38 const AliESDVertex *GetEventVertex(const AliESDEvent* esd) const;
39 void SetDebugLevel(Int_t level) {fDebug = level;}
40 void SetAnalysisType(TString type) {fAnalysisType=type;}
41 TString GetAnalysisType() {return fAnalysisType;}
42 void SetPDGCodes(Int_t d1, Int_t d2, Int_t res) {fdaughter1pdg=d1; fdaughter2pdg=d2; fresonancePDGcode=res;}
43 void InitOutputHistograms(Int_t nbins, Float_t nlowx, Float_t nhighx, Int_t netabins, Float_t nloweta, Float_t nupeta, Int_t nptbins, Float_t nlowpt, Float_t nupperpt);
44 Bool_t IsAcceptedForKink(AliESDEvent *localesd, const AliESDVertex *localvertex, AliESDtrack *localtrack);
45 Bool_t IsAcceptedForTrack(AliESDEvent *localesd, const AliESDVertex *localvertex, AliESDtrack *localtrack);
46 Bool_t IsKink(AliESDEvent *localesd, Int_t kinkIndex, TVector3 trackMom);
48 void SetMaxNsigmaToVertex(Float_t maxNSigmaToVertex) {
49 fMaxNSigmaToVertex=maxNSigmaToVertex;
51 Float_t GetMaxNsigmaToVertex() const {return fMaxNSigmaToVertex;}
53 void SetPtTrackCut(Double_t minPtTrackCut) {
54 fMinPtTrackCut=minPtTrackCut;
56 Double_t GetPtTrackCut() const {return fMinPtTrackCut;}
58 void SetMaxDCAxy(Double_t maxDCAxy) {
61 Double_t GetMaxDCAxy() const {return fMaxDCAxy;}
63 void SetMaxDCAzaxis(Double_t maxDCAzaxis) {
64 fMaxDCAzaxis=maxDCAzaxis;
66 Double_t GetMaxDCAzaxis() const {return fMaxDCAzaxis;}
68 void SetMinTPCclusters(Int_t minTPCclusters) {
69 fMinTPCclusters=minTPCclusters;
71 Int_t GetMinTPCclusters() const {return fMinTPCclusters;}
73 void SetMaxChi2PerTPCcluster(Double_t maxChi2PerTPCcluster) {
74 fMaxChi2PerTPCcluster=maxChi2PerTPCcluster;
76 Double_t GetMaxChi2PerTPCcluster() const {return fMaxChi2PerTPCcluster;}
78 void SetMaxCov0(Double_t maxCov0) {
81 Double_t GetMaxCov0() const {return fMaxCov0;}
83 void SetMaxCov2(Double_t maxCov2) {
86 Double_t GetMaxCov2() const {return fMaxCov2;}
88 void SetMaxCov5(Double_t maxCov5) {
91 Double_t GetMaxCov5() const {return fMaxCov5;}
93 void SetMaxCov9(Double_t maxCov9) {
96 Double_t GetMaxCov9() const {return fMaxCov9;}
98 void SetMaxCov14(Double_t maxCov14) {
101 Double_t GetMaxCov14() const {return fMaxCov14;}
103 void SetMinKinkRadius(Float_t minKinkRadius) {
104 fminKinkRadius=minKinkRadius;
106 Float_t GetMinKinkRadius() const {return fminKinkRadius;}
108 void SetMaxKinkRadius(Float_t maxKinkRadius) {
109 fmaxKinkRadius=maxKinkRadius;
111 Float_t GetMaxKinkRadius() const {return fmaxKinkRadius;}
113 void SetQtLimits(Float_t minQt, Float_t maxQt) {fminQt=minQt; fmaxQt=maxQt;}
115 void SetUpperAbsEtaCut(Double_t maxAbsEtaCut) {
116 fmaxAbsEtaCut=maxAbsEtaCut;
118 Double_t GetUpperAbsEtaCut() const {return fmaxAbsEtaCut;}
120 //void SetTPCrefit() {Int_t fTPCrefitFlag=kTRUE;}
124 Int_t fDebug; // Debug flag
125 TList *fListOfHistos; // List
126 TH1D *fOpeningAngle; // Opening
127 TH1D *fInvariantMass; // invMass spectrum
128 TH1D *fInvMassTrue; // invMassTrue spectrum
129 TH1D *fPhiBothKinks; // bothKaonsKinks
130 Int_t fetabins; // number of eta bins
131 Float_t floweta; // lower limit for eta
132 Float_t fupeta; // upper limit for eta
133 TH1D *fRecPt; // pT spectrum
134 TH1D *fRecEta; // Eta spectrum
135 TH2D *fRecEtaPt; // Eta pT spectrum
136 TH1D *fSimPt; // pT Sim spectrum
137 TH1D *fSimEta; // Eta Sim spectrum
138 TH2D *fSimEtaPt; // Eta pT Sim spectrum
139 TH1D *fSimPtKink; // pT Sim one kaon kink spectrum
140 TH1D *fSimEtaKink; // Eta Sim one kaon kink spectrum spectrum
141 TH2D *fSimEtaPtKink; // Eta pT Sim one kaon kink spectrum
142 TF1 *f1; //upper limit curve for the decay K->mu
143 TF1 *f2; //upper limit curve for the decay pi->mu
144 TString fAnalysisType;//"ESD" or "MC"
145 TH1D *fvtxz ; // vtx z component
146 Int_t fNbins; // bins
147 Float_t fLowX;// lowx
148 Float_t fHighX; // high x
149 Int_t fdaughter1pdg; // pdg code of the resonance's first daughter
150 Int_t fdaughter2pdg; // pdg code of the resonance's second daughter
151 Int_t fresonancePDGcode; // pdg code of the resonance
152 Float_t fMaxNSigmaToVertex; // standard cut to select primary tracks
153 Double_t fMinPtTrackCut; // lower pt cut for the tracks
154 Double_t fMaxDCAxy; // impact parameter in the xy plane
155 Double_t fMaxDCAzaxis; // impact parameter in the z axis
156 Int_t fMinTPCclusters; // standard cut for the TPC clusters
157 Double_t fMaxChi2PerTPCcluster; // standard cut for the chi2 of the TPC clusters
158 Double_t fMaxCov0; // standard cut
159 Double_t fMaxCov2; // standard cut
160 Double_t fMaxCov5; // standard cut
161 Double_t fMaxCov9; // standard cut
162 Double_t fMaxCov14; // standard cut
163 TH2D *fInvmassPt; // 2D histo for invariant mass calculation in pt bins (all pairs, ESD)
164 TH2D *fInvmassPtTrue; // 2D histo for invariant mass calculation in pt bins (true pairs, ESD)
165 TH2D *fMCInvmassPt; // 2D histo for invariant mass calculation in pt bins (all pairs, MC)
166 TH2D *fMCInvmassPtTrue; // 2D histo for invariant mass calculation in pt bins (true pairs, MC)
167 Float_t fminKinkRadius; // min accepted radius for the kink vertex
168 Float_t fmaxKinkRadius; // max accepted radius for the kink vertex
169 Float_t fminQt; //min Qt cut
170 Float_t fmaxQt; //max Qt cut
171 Int_t fptbins; // number of bins in pt
172 Float_t flowpt; // pt lower limit
173 Float_t fupperpt; // pt upper limit
174 Double_t fmaxAbsEtaCut; // max abolute eta cut for analysis
175 // Bool_t fTPCrefitFlag;
177 AliResonanceKink(const AliResonanceKink&); // not implemented
178 AliResonanceKink& operator=(const AliResonanceKink&); // not implemented
180 ClassDef(AliResonanceKink, 1); // example of analysis