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6a213b59 | 1 | #ifndef AliAnalysisVertexingHF_H |
2 | #define AliAnalysisVertexingHF_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //------------------------------------------------------------------------- | |
7 | // Class AliAnalysisVertexingHF | |
8 | // Reconstruction of heavy-flavour decay candidates | |
9 | // | |
10 | // Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita | |
11 | //------------------------------------------------------------------------- | |
12 | ||
13 | #include <TNamed.h> | |
14 | #include <TTree.h> | |
15 | #include "AliESD.h" | |
16 | #include "AliESDVertex.h" | |
17 | #include "AliAODRecoDecayHF.h" | |
18 | #include "AliAODRecoDecayHF2Prong.h" | |
19 | #include "AliAODRecoDecayHF3Prong.h" | |
20 | #include "AliAODRecoDecayHF4Prong.h" | |
21 | ||
22 | //----------------------------------------------------------------------------- | |
23 | class AliAnalysisVertexingHF : public TNamed { | |
24 | public: | |
25 | // | |
26 | AliAnalysisVertexingHF(); | |
27 | virtual ~AliAnalysisVertexingHF(); | |
28 | ||
29 | void FindCandidates(AliESD *esd,TTree treeout[]); | |
30 | AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliESD *esd, | |
31 | AliESDVertex *vertexp1n1,Double_t dcap1n1, | |
32 | Bool_t &okD0,Bool_t &okJPSI) const; | |
33 | AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliESD *esd, | |
34 | AliESDVertex *vertexp1n1, | |
35 | AliESDVertex *vertexp2n1, | |
36 | Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2, | |
37 | Bool_t &ok3Prong) const; | |
38 | AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliESD *esd, | |
39 | AliESDVertex *vertexp1n1, | |
40 | AliESDVertex *vertexp2n1, | |
41 | Double_t dcap1n1,Double_t dcap1n2, | |
42 | Double_t dcap2n1, | |
43 | Bool_t &ok4Prong) const; | |
44 | ||
45 | ||
46 | void SetDebug(Int_t debug=0) {fDebug=debug;} | |
47 | void PrintStatus() const; | |
48 | void SetD0toKpiOn() { fD0toKpi=kTRUE; } | |
49 | void SetD0toKpiOff() { fD0toKpi=kFALSE; } | |
50 | void SetJPSItoEleOn() { fJPSItoEle=kTRUE; } | |
51 | void SetJPSItoEleOff() { fJPSItoEle=kFALSE; } | |
52 | void Set3ProngOn() { f3Prong=kTRUE; } | |
53 | void Set3ProngOff() { f3Prong=kFALSE; } | |
54 | void Set4ProngOn() { f4Prong=kTRUE; } | |
55 | void Set4ProngOff() { f4Prong=kFALSE; } | |
56 | void SetRecoPrimVtxSkippingTrks() | |
57 | { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;} | |
58 | void SetRmTrksFromPrimVtx() | |
59 | {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; } | |
60 | void SetITSrefitRequired() { fITSrefit=kTRUE; } | |
61 | void SetITSrefitNotRequired() { fITSrefit=kFALSE; } | |
62 | void SetBothSPDRequired() { fBothSPD=kTRUE; } | |
63 | void SetBothSPDNotRequired() {fBothSPD=kFALSE;} | |
64 | void SetMinITSCls(Int_t n=6) { fMinITSCls=n; } | |
65 | void SetMinPtCut(Double_t pt=0.) { fMinPtCut=pt; } | |
66 | void SetMind0Cut(Double_t d0=0.) { fMind0rphiCut=d0; } | |
67 | void SetD0toKpiCuts(Double_t cut0=1000.,Double_t cut1=100000., | |
68 | Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0., | |
69 | Double_t cut5=100000.,Double_t cut6=100000., | |
70 | Double_t cut7=100000000.,Double_t cut8=-1.1); | |
71 | void SetD0toKpiCuts(const Double_t cuts[9]); | |
72 | void SetBtoJPSICuts(Double_t cut0=1000.,Double_t cut1=100000., | |
73 | Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0., | |
74 | Double_t cut5=100000.,Double_t cut6=100000., | |
75 | Double_t cut7=100000000.,Double_t cut8=-1.1); | |
76 | void SetBtoJPSICuts(const Double_t cuts[9]); | |
77 | void SetDplusCuts(Double_t cut0=1000.,Double_t cut1=0., | |
78 | Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0., | |
79 | Double_t cut5=0.,Double_t cut6=10000000000., | |
80 | Double_t cut7=0.,Double_t cut8=0., | |
81 | Double_t cut9=-1.1,Double_t cut10=0., | |
82 | Double_t cut11=0.); | |
83 | void SetDplusCuts(const Double_t cuts[12]); | |
84 | // | |
85 | private: | |
86 | // | |
87 | Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly | |
88 | // for each candidate, w/o its daughters | |
89 | Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from | |
90 | // the primary vertex | |
91 | ||
92 | AliESDVertex *fV1; // primary vertex | |
93 | ||
94 | Int_t fDebug; // enable verbose mode | |
95 | ||
96 | // flag to enable candidates production | |
97 | Bool_t fD0toKpi; | |
98 | Bool_t fJPSItoEle; | |
99 | Bool_t f3Prong; | |
100 | Bool_t f4Prong; | |
101 | ||
102 | // single-track cuts | |
103 | Bool_t fITSrefit; // require kITSrefit | |
104 | Bool_t fBothSPD; // require both SPD layers | |
105 | Int_t fMinITSCls; // minimum number of ITS clusters | |
106 | Double_t fMinPtCut; // minimum track pt [GeV/c] | |
107 | Double_t fMind0rphiCut; // minimum track |rphi impact parameter| [cm] | |
108 | // candidates cuts | |
109 | Double_t fD0toKpiCuts[9]; // cuts on D0->Kpi candidates | |
110 | // (to be passed to AliAODRecoDecayHF2Prong::SelectD0()) | |
111 | // 0 = inv. mass half width [GeV] | |
112 | // 1 = dca [cm] | |
113 | // 2 = cosThetaStar | |
114 | // 3 = pTK [GeV/c] | |
115 | // 4 = pTPi [GeV/c] | |
116 | // 5 = d0K [cm] upper limit! | |
117 | // 6 = d0Pi [cm] upper limit! | |
118 | // 7 = d0d0 [cm^2] | |
119 | // 8 = cosThetaPoint | |
120 | Double_t fBtoJPSICuts[9]; // cuts on JPSI candidates | |
121 | // (to be passed to AliAODRecoDecayHF2Prong::SelectBtoJPSI()) | |
122 | // 0 = inv. mass half width [GeV] | |
123 | // 1 = dca [cm] | |
124 | // 2 = cosThetaStar (negative electron) | |
125 | // 3 = pTP [GeV/c] | |
126 | // 4 = pTN [GeV/c] | |
127 | // 5 = d0O [cm] upper limit! | |
128 | // 6 = d0N [cm] upper limit! | |
129 | // 7 = d0d0 [cm^2] | |
130 | // 8 = cosThetaPoint | |
131 | Double_t fDplusCuts[12]; // cuts on Dplus candidates | |
132 | // (to be passed to AliAODRecoDecayHF2Prong::SelectDplus()) | |
133 | // 0 = inv. mass half width [GeV] | |
134 | // 1 = pTK [GeV/c] | |
135 | // 2 = pTPi [GeV/c] | |
136 | // 3 = d0K [cm] lower limit! | |
137 | // 4 = d0Pi [cm] lower limit! | |
138 | // 5 = dist12 (cm) | |
139 | // 6 = sigmavert (cm) | |
140 | // 7 = dist prim-sec (cm) | |
141 | // 8 = pM=Max{pT1,pT2,pT3} (GeV/c) | |
142 | // 9 = cosThetaPoint | |
143 | // 10 = Sum d0^2 (cm^2) | |
144 | // 11 = dca cut (cm) | |
145 | ||
146 | // | |
147 | AliESDVertex* OwnPrimaryVertex(Int_t ntrks,TObjArray *trkArray,AliESD *esd) const; | |
148 | Bool_t SelectInvMass(Int_t decay,Int_t nprongs, | |
149 | Double_t *px,Double_t *py,Double_t *pz) const; | |
150 | void SelectTracks(AliESD *esd, | |
151 | TObjArray &trksP,Int_t &nTrksP, | |
152 | TObjArray &trksN,Int_t &nTrksN) const; | |
153 | void SetPrimaryVertex(AliESDVertex* v1) { fV1 = v1; } | |
154 | Bool_t SingleTrkCuts(AliESDtrack& trk, Double_t b) const; | |
155 | // | |
156 | ClassDef(AliAnalysisVertexingHF,1) // Reconstruction of HF decay candidates | |
157 | }; | |
158 | ||
159 | ||
160 | #endif | |
161 | ||
162 | ||
163 | ||
164 | ||
165 | ||
166 | ||
167 | ||
168 |