1 #ifndef ALIRESONANCEKINKLIKESIGN_H
2 #define ALIRESONANCEKINKLIKESIGN_H
4 /* See cxx source for full Copyright notice */
6 //--------------------------------------------------------------------------------
7 // class AliResonanceKinkLikeSign
8 // This task is an example of an analysis task
9 // for producing a like-sign background for resonances having at least one
10 // kaon-kink in their decay products.
11 // Author: Paraskevi Ganoti, University of Athens (pganoti@phys.uoa.gr)
12 //---------------------------------------------------------------------------------
14 #include "AliAnalysisTaskSE.h"
24 class AliResonanceKinkLikeSign : public AliAnalysisTaskSE {
26 AliResonanceKinkLikeSign(const char *name = "AliResonanceKinkLikeSign");
27 virtual ~AliResonanceKinkLikeSign() {}
29 virtual void UserCreateOutputObjects();
30 virtual void UserExec(Option_t *option);
31 virtual void Terminate(Option_t *);
33 void SetPDGCodes(Int_t d1, Int_t d2) {fdaughter1pdg=d1; fdaughter2pdg=d2;}
34 void SetHistoSettings(Int_t nbins, Float_t nlowx, Float_t nhighx, Int_t nptbins, Float_t nlowpt, Float_t nupperpt) {fnbins=nbins; fnlowx=nlowx; fnhighx=nhighx; fptbins=nptbins; flowpt=nlowpt; fupperpt=nupperpt;}
35 void SetEtaLimits(Float_t nloweta, Float_t nuppereta) {floweta=nloweta; fuppereta=nuppereta;}
36 Float_t GetSigmaToVertex(AliESDtrack* esdTrack) const ;
37 const AliESDVertex *GetEventVertex(const AliESDEvent* esd) const;
38 void SetDebugLevel(Int_t level) {fDebug = level;}
39 Bool_t IsAcceptedForKink(AliESDEvent *localesd, const AliESDVertex *localvertex, AliESDtrack *localtrack);
40 Bool_t IsAcceptedForTrack(AliESDEvent *localesd, const AliESDVertex *localvertex, AliESDtrack *localtrack);
41 Bool_t IsKink(AliESDEvent *localesd, Int_t kinkIndex, TVector3 trackMom);
43 void SetMaxNsigmaToVertex(Float_t maxNSigmaToVertex) {
44 fMaxNSigmaToVertex=maxNSigmaToVertex;
46 Float_t GetMaxNsigmaToVertex() const {return fMaxNSigmaToVertex;}
48 void SetPtTrackCut(Double_t minPtTrackCut) {
49 fMinPtTrackCut=minPtTrackCut;
51 Double_t GetPtTrackCut() const {return fMinPtTrackCut;}
53 void SetMaxDCAxy(Double_t maxDCAxy) {
56 Double_t GetMaxDCAxy() const {return fMaxDCAxy;}
58 void SetMaxDCAzaxis(Double_t maxDCAzaxis) {
59 fMaxDCAzaxis=maxDCAzaxis;
61 Double_t GetMaxDCAzaxis() const {return fMaxDCAzaxis;}
63 void SetMinTPCclusters(Int_t minTPCclusters) {
64 fMinTPCclusters=minTPCclusters;
66 Int_t GetMinTPCclusters() const {return fMinTPCclusters;}
68 void SetMaxChi2PerTPCcluster(Double_t maxChi2PerTPCcluster) {
69 fMaxChi2PerTPCcluster=maxChi2PerTPCcluster;
71 Double_t GetMaxChi2PerTPCcluster() const {return fMaxChi2PerTPCcluster;}
73 void SetMaxCov0(Double_t maxCov0) {
76 Double_t GetMaxCov0() const {return fMaxCov0;}
78 void SetMaxCov2(Double_t maxCov2) {
81 Double_t GetMaxCov2() const {return fMaxCov2;}
83 void SetMaxCov5(Double_t maxCov5) {
86 Double_t GetMaxCov5() const {return fMaxCov5;}
88 void SetMaxCov9(Double_t maxCov9) {
91 Double_t GetMaxCov9() const {return fMaxCov9;}
93 void SetMaxCov14(Double_t maxCov14) {
96 Double_t GetMaxCov14() const {return fMaxCov14;}
98 void SetMinKinkRadius(Float_t minKinkRadius) {
99 fminKinkRadius=minKinkRadius;
101 Float_t GetMinKinkRadius() const {return fminKinkRadius;}
103 void SetMaxKinkRadius(Float_t maxKinkRadius) {
104 fmaxKinkRadius=maxKinkRadius;
106 Float_t GetMaxKinkRadius() const {return fmaxKinkRadius;}
108 void SetQtLimits(Float_t minQt, Float_t maxQt) {fminQt=minQt; fmaxQt=maxQt;}
110 void SetUpperAbsEtaCut(Double_t maxAbsEtaCut) {
111 fmaxAbsEtaCut=maxAbsEtaCut;
113 Double_t GetUpperAbsEtaCut() const {return fmaxAbsEtaCut;}
116 Int_t fDebug; // Debug flag
117 TList *fListOfHistos; // List
118 TF1 *f1; //upper limit curve for the decay K->mu
119 TF1 *f2; //upper limit curve for the decay pi->mu
120 TH1D *fPosKaonLikeSign; // negative spectrum
121 TH2D *fLikeSignInvmassPt; // negative spectrum
122 Float_t fMaxNSigmaToVertex; // standard cut to select primary tracks
123 Double_t fMinPtTrackCut; // lower pt cut for the tracks
124 Double_t fMaxDCAxy; // impact parameter in the xy plane
125 Double_t fMaxDCAzaxis; // impact parameter in the z axis
126 Int_t fMinTPCclusters; // standard cut for the TPC clusters
127 Double_t fMaxChi2PerTPCcluster; // standard cut for the chi2 of the TPC clusters
128 Double_t fMaxCov0; // standard cut
129 Double_t fMaxCov2; // standard cut
130 Double_t fMaxCov5; // standard cut
131 Double_t fMaxCov9; // standard cut
132 Double_t fMaxCov14; // standard cut
133 Int_t fdaughter1pdg; // pdg code of the resonance's first daughter
134 Int_t fdaughter2pdg; // pdg code of the resonance's second daughter
135 Int_t fnbins; // Inv mass histo number of bins
136 Float_t fnlowx; // Inv mass histo lower limit
137 Float_t fnhighx; // Inv mass histo upper limit
138 Float_t floweta; // lower eta limit
139 Float_t fuppereta; // upper eta limit
140 Float_t fminKinkRadius; // min accepted radius for the kink vertex
141 Float_t fmaxKinkRadius; // max accepted radius for the kink vertex
142 Float_t fminQt; //min Qt cut
143 Float_t fmaxQt; //max Qt cut
144 Int_t fptbins; // number of bins in pt
145 Float_t flowpt; // pt lower limit
146 Float_t fupperpt; // pt upper limit
147 Double_t fmaxAbsEtaCut; // max abolute eta cut for analysis
149 AliResonanceKinkLikeSign(const AliResonanceKinkLikeSign&); // not implemented
150 AliResonanceKinkLikeSign& operator=(const AliResonanceKinkLikeSign&); // not implemented
152 ClassDef(AliResonanceKinkLikeSign, 1); // example of analysis