PWG3/vertexingHF/AliAnalysisVertexingHF.h

   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, X.M.Zhang
  11 //  Contact: andrea.dainese@pd.infn.it
  12 //-------------------------------------------------------------------------
  13
  14 #include <TNamed.h>
  15
  16 class TList;
  17 class AliESDVertex;
  18 class AliAODRecoDecayHF;
  19 class AliAODRecoDecayHF2Prong;
  20 class AliAODRecoDecayHF3Prong;
  21 class AliAODRecoDecayHF4Prong;
  22 class AliAODRecoCascadeHF;
  23 class AliAnalysisFilter;
  24 class AliRDHFCutsD0toKpi;
  25 class AliRDHFCutsJpsitoee;
  26 class AliRDHFCutsDplustoKpipi;
  27 class AliRDHFCutsDstoKKpi;
  28 class AliRDHFCutsLctopKpi;
  29 class AliRDHFCutsLctoV0;
  30 class AliRDHFCutsD0toKpipipi;
  31 class AliRDHFCutsDStartoKpipi;
  32 class AliESDtrack;
  33 class AliVEvent;
  34 class AliAODVertex;
  35 class AliESDv0;
  36 class AliAODv0;
  37
  38 //-----------------------------------------------------------------------------
  39 class AliAnalysisVertexingHF : public TNamed {
  40  public:
  41   //
  42   AliAnalysisVertexingHF();
  43   AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source);
  44   AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source);
  45   virtual ~AliAnalysisVertexingHF();
  46
  47   void FindCandidates(AliVEvent *event,
  48                       TClonesArray *aodVerticesHFTClArr,
  49                       TClonesArray *aodD0toKpiTClArr,
  50                       TClonesArray *aodJPSItoEleTClArr,
  51                       TClonesArray *aodCharm3ProngTClArr,
  52                       TClonesArray *aodCharm4ProngTClArr,
  53                       TClonesArray *aodDstarTClArr,
  54                       TClonesArray *aodCascadesTClArr,
  55                       TClonesArray *aodLikeSign2ProngTClArr,
  56                       TClonesArray *aodLikeSign3ProngTClArr);
  57
  58   TList* FillListOfCuts();
  59   void PrintStatus() const;
  60   void SetSecVtxWithKF() { fSecVtxWithKF=kTRUE; }
  61   void SetD0toKpiOn() { fD0toKpi=kTRUE; }
  62   void SetD0toKpiOff() { fD0toKpi=kFALSE; }
  63   void SetJPSItoEleOn() { fJPSItoEle=kTRUE; }
  64   void SetJPSItoEleOff() { fJPSItoEle=kFALSE; }
  65   void Set3ProngOn() { f3Prong=kTRUE; }
  66   void Set3ProngOff() { f3Prong=kFALSE; }
  67   void Set4ProngOn() { f4Prong=kTRUE; }
  68   void Set4ProngOff() { f4Prong=kFALSE; }
  69   void SetDstarOn() { fDstar=kTRUE; }
  70   void SetDstarOff() { fDstar=kFALSE; }
  71   void SetCascadesOn() { fCascades=kTRUE; }
  72   void SetCascadesOff() { fCascades=kFALSE; }
  73   void SetLikeSignOn() { fLikeSign=kTRUE; }
  74   void SetLikeSignOff() { fLikeSign=kFALSE; }
  75   void SetMixEventOn() { fMixEvent=kTRUE; }
  76   void SetMixEventOff() { fMixEvent=kFALSE; }
  77   void SetInputAOD() { fInputAOD=kTRUE; }
  78   Bool_t GetD0toKpi() const { return fD0toKpi; }
  79   Bool_t GetJPSItoEle() const { return fJPSItoEle; }
  80   Bool_t Get3Prong() const { return f3Prong; }
  81   Bool_t Get4Prong() const { return f4Prong; }
  82   Bool_t GetDstar()  const { return fDstar; }
  83   Bool_t GetCascades() const { return fCascades; }
  84   Bool_t GetLikeSign() const { return fLikeSign; }
  85   Bool_t GetMixEvent() const { return fMixEvent; }
  86   Bool_t GetInputAOD() const { return fInputAOD; }
  87   Bool_t GetRecoPrimVtxSkippingTrks() const {return fRecoPrimVtxSkippingTrks;}
  88   Bool_t GetRmTrksFromPrimVtx() const {return fRmTrksFromPrimVtx;}
  89   void SetFindVertexForDstar(Bool_t vtx=kTRUE) { fFindVertexForDstar=vtx; }
  90   void SetFindVertexForCascades(Bool_t vtx=kTRUE) { fFindVertexForCascades=vtx; }
  91   void SetRecoPrimVtxSkippingTrks()
  92     { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;}
  93   void UnsetRecoPrimVtxSkippingTrks()
  94     { fRecoPrimVtxSkippingTrks=kFALSE; fRmTrksFromPrimVtx=kFALSE;}
  95   void SetRmTrksFromPrimVtx()
  96     {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; }
  97   void SetTrackFilter(AliAnalysisFilter* trackF) { fTrackFilter = trackF; }
  98   void SetTrackFilterSoftPi(AliAnalysisFilter* trackF) { fTrackFilterSoftPi = trackF; }
  99   AliAnalysisFilter* GetTrackFilter() const { return fTrackFilter; }
 100   AliAnalysisFilter* GetTrackFilterSoftPi() const { return fTrackFilterSoftPi; }
 101   void SetCutsD0toKpi(AliRDHFCutsD0toKpi* cuts) { fCutsD0toKpi = cuts; }
 102   AliRDHFCutsD0toKpi* GetCutsD0toKpi() const { return fCutsD0toKpi; }
 103   void SetCutsJpsitoee(AliRDHFCutsJpsitoee* cuts) { fCutsJpsitoee = cuts; }
 104   AliRDHFCutsJpsitoee* GetCutsJpsitoee() const { return fCutsJpsitoee; }
 105   void SetCutsDplustoKpipi(AliRDHFCutsDplustoKpipi* cuts) { fCutsDplustoKpipi = cuts; }
 106   AliRDHFCutsDplustoKpipi* GetCutsDplustoKpipi() const { return fCutsDplustoKpipi; }
 107   void SetCutsDstoKKpi(AliRDHFCutsDstoKKpi* cuts) { fCutsDstoKKpi = cuts; }
 108   AliRDHFCutsDstoKKpi* GetCutsDstoKKpi() const { return fCutsDstoKKpi; }
 109   void SetCutsLctopKpi(AliRDHFCutsLctopKpi* cuts) { fCutsLctopKpi = cuts; }
 110   AliRDHFCutsLctopKpi* GetCutsLctopKpi() const { return fCutsLctopKpi; }
 111   void SetCutsLctoV0(AliRDHFCutsLctoV0* cuts) { fCutsLctoV0 = cuts; }
 112   AliRDHFCutsLctoV0* GetCutsLctoV0() const { return fCutsLctoV0; }
 113   void SetCutsD0toKpipipi(AliRDHFCutsD0toKpipipi* cuts) { fCutsD0toKpipipi = cuts; }
 114   AliRDHFCutsD0toKpipipi* GetCutsD0toKpipipi() const { return fCutsD0toKpipipi; }
 115   void SetCutsDStartoKpipi(AliRDHFCutsDStartoKpipi* cuts) { fCutsDStartoKpipi = cuts; }
 116   AliRDHFCutsDStartoKpipi* GetCutsDStartoKpipi() const { return fCutsDStartoKpipi; }
 117
 118   void SetD0toKpiCuts(Double_t cut0=1000.,Double_t cut1=100000.,
 119                       Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
 120                       Double_t cut5=100000.,Double_t cut6=100000.,
 121                       Double_t cut7=100000000.,Double_t cut8=-1.1);
 122   void SetD0toKpiCuts(const Double_t cuts[9]);
 123   void SetD0fromDstarCuts(Double_t cut0=1000.,Double_t cut1=100000.,
 124                           Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
 125                           Double_t cut5=100000.,Double_t cut6=100000.,
 126                           Double_t cut7=100000000.,Double_t cut8=-1.1);
 127   void SetD0fromDstarCuts(const Double_t cuts[9]);
 128   void SetBtoJPSICuts(Double_t cut0=1000.,Double_t cut1=100000.,
 129                       Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
 130                       Double_t cut5=100000.,Double_t cut6=100000.,
 131                       Double_t cut7=100000000.,Double_t cut8=-1.1);
 132   void SetBtoJPSICuts(const Double_t cuts[9]);
 133   void SetDplusCuts(Double_t cut0=1000.,Double_t cut1=0.,
 134                     Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
 135                     Double_t cut5=0.,Double_t cut6=10000000000.,
 136                     Double_t cut7=0.,Double_t cut8=0.,
 137                     Double_t cut9=-1.1,Double_t cut10=0.,
 138                     Double_t cut11=10000000000.);
 139   void SetDplusCuts(const Double_t cuts[12]);
 140   void SetDsCuts(Double_t cut0=1000.,Double_t cut1=0.,
 141                  Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
 142                  Double_t cut5=0.,Double_t cut6=10000000000.,
 143                  Double_t cut7=0.,Double_t cut8=0.,
 144                  Double_t cut9=-1.1,Double_t cut10=0.,
 145                  Double_t cut11=10000000000., Double_t cut12=1000.,
 146                  Double_t cut13=1000.);
 147   void SetDsCuts(const Double_t cuts[14]);
 148   void SetLcCuts(Double_t cut0=1000.,Double_t cut1=0.,
 149                  Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
 150                  Double_t cut5=0.,Double_t cut6=10000000000.,
 151                  Double_t cut7=0.,Double_t cut8=0.,
 152                  Double_t cut9=-1.1,Double_t cut10=0.,
 153                  Double_t cut11=10000000000.);
 154   void SetLcCuts(const Double_t cuts[12]);
 155   void SetLctoV0Cuts(Double_t cut0=1000.,Double_t cut1=1000.,
 156                      Double_t cut2=1000., Double_t cut3=1000.,
 157                      Double_t cut4=0., Double_t cut5=0.,Double_t cut6=0.,
 158                      Double_t cut7=0.,Double_t cut8=0.);
 159   void SetLctoV0Cuts(const Double_t cuts[9]);
 160   void SetDstarCuts(Double_t cut0=1000., Double_t cut1=1000.,
 161                       Double_t cut2=-1., Double_t cut3=1000.,
 162                       Double_t cut4=1.6);
 163   void SetDstarCuts(const Double_t cuts[5]);
 164   void SetD0to4ProngsCuts(Double_t cut0=1000.,Double_t cut1=100000.,
 165                       Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0.,
 166                       Double_t cut5=-1.1,Double_t cut6=0.,
 167                       Double_t cut7=0.,Double_t cut8=0.);
 168   void SetD0to4ProngsCuts(const Double_t cuts[9]);
 169   const Double_t *GetD0toKpiCuts() const {return fD0toKpiCuts;}
 170   const Double_t *GetD0fromDstarCuts() const {return fD0fromDstarCuts;}
 171   const Double_t *GetBtoJPSICuts() const {return fBtoJPSICuts;}
 172   const Double_t *GetDplusCuts() const {return fDplusCuts;}
 173   const Double_t *GetDsCuts() const {return fDsCuts;}
 174   const Double_t *GetLcCuts() const {return fLcCuts;}
 175   const Double_t *GetLctoV0Cuts() const {return fLctoV0Cuts;}
 176   const Double_t *GetDstarCuts() const {return fDstarCuts;}
 177   const Double_t *GetD0to4ProngsCuts() const {return fD0to4ProngsCuts;}
 178
 179   //
 180  private:
 181   //
 182   enum { kBitDispl = 0, kBitSoftPi = 1 };
 183
 184   Bool_t fInputAOD; // input from AOD (kTRUE) or ESD (kFALSE)
 185   Int_t fAODMapSize; // size of fAODMap
 186   Int_t *fAODMap; //[fAODMapSize] map between index and ID for AOD tracks
 187
 188   Double_t fBzkG; // z componenent of field in kG
 189
 190   Bool_t fSecVtxWithKF; // if kTRUE use KF vertexer, else AliVertexerTracks
 191
 192   Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly
 193                                    // for each candidate, w/o its daughters
 194   Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from
 195                              // the primary vertex
 196
 197   AliESDVertex *fV1; // primary vertex
 198
 199   // flag to enable candidates production
 200   Bool_t fD0toKpi;   // D0->Kpi
 201   Bool_t fJPSItoEle; // Jpsi->ee
 202   Bool_t f3Prong;    // D+,Ds,Lc
 203   Bool_t f4Prong;    // D0->Kpipipi
 204   Bool_t fDstar;     // D*->D0pi
 205   Bool_t fCascades;  // cascades, Lc --> v0+track
 206   Bool_t fLikeSign;  // Like-sign pairs
 207   Bool_t fMixEvent; // event mixing
 208
 209   // single-track cuts
 210   AliAnalysisFilter *fTrackFilter; //  Track Filter for displaced vertices
 211   AliAnalysisFilter *fTrackFilterSoftPi; //  Track Filter for D* soft pion
 212   // candidates cuts
 213   AliRDHFCutsD0toKpi *fCutsD0toKpi; // D0->Kpi cuts
 214   AliRDHFCutsJpsitoee *fCutsJpsitoee; // J/psi->ee cuts
 215   AliRDHFCutsDplustoKpipi *fCutsDplustoKpipi; // D+->Kpipi cuts
 216   AliRDHFCutsDstoKKpi *fCutsDstoKKpi; // Ds->KKpi cuts
 217   AliRDHFCutsLctopKpi *fCutsLctopKpi; // Lc->pKpi cuts
 218   AliRDHFCutsLctoV0 *fCutsLctoV0; // Lc --> v0 + bachelor cuts
 219   AliRDHFCutsD0toKpipipi *fCutsD0toKpipipi; // D0->Kpipipi cuts
 220   AliRDHFCutsDStartoKpipi *fCutsDStartoKpipi; // Dstar->D0pi cuts
 221
 222   Double_t fD0toKpiCuts[9]; // cuts on D0->Kpi candidates
 223                   // (to be passed to AliAODRecoDecayHF2Prong::SelectD0())
 224                           // 0 = inv. mass half width [GeV]
 225                           // 1 = dca [cm]
 226                           // 2 = cosThetaStar
 227                           // 3 = pTK [GeV/c]
 228                           // 4 = pTPi [GeV/c]
 229                           // 5 = d0K [cm]   upper limit!
 230                           // 6 = d0Pi [cm]  upper limit!
 231                           // 7 = d0d0 [cm^2]
 232                           // 8 = cosThetaPoint
 233   Double_t fD0fromDstarCuts[9]; // cuts on D0->Kpi candidates from D*
 234                         // (to be passed to AliAODRecoCascadeHF::SelectDstar())
 235                           // 0 = inv. mass half width [GeV]
 236                           // 1 = dca [cm]
 237                           // 2 = cosThetaStar
 238                           // 3 = pTK [GeV/c]
 239                           // 4 = pTPi [GeV/c]
 240                           // 5 = d0K [cm]   upper limit!
 241                           // 6 = d0Pi [cm]  upper limit!
 242                           // 7 = d0d0 [cm^2]
 243                           // 8 = cosThetaPoint
 244   Double_t fBtoJPSICuts[9]; // cuts on JPSI candidates
 245                   // (to be passed to AliAODRecoDecayHF2Prong::SelectBtoJPSI())
 246                           // 0 = inv. mass half width [GeV]
 247                           // 1 = dca [cm]
 248                           // 2 = cosThetaStar (negative electron)
 249                           // 3 = pTP [GeV/c]
 250                           // 4 = pTN [GeV/c]
 251                           // 5 = d0O [cm]   upper limit!
 252                           // 6 = d0N [cm]  upper limit!
 253                           // 7 = d0d0 [cm^2]
 254                           // 8 = cosThetaPoint
 255   Double_t fDplusCuts[12]; // cuts on Dplus candidates
 256                   // (to be passed to AliAODRecoDecayHF3Prong::SelectDplus())
 257                           // 0 = inv. mass half width [GeV]
 258                           // 1 = pTK [GeV/c]
 259                           // 2 = pTPi [GeV/c]
 260                           // 3 = d0K [cm]   lower limit!
 261                           // 4 = d0Pi [cm]  lower limit!
 262                           // 5 = dist12 (cm)
 263                           // 6 = sigmavert (cm)
 264                           // 7 = dist prim-sec (cm)
 265                           // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
 266                           // 9 = cosThetaPoint
 267                           // 10 = Sum d0^2 (cm^2)
 268                           // 11 = dca cut (cm)
 269   Double_t fDsCuts[14]; // cuts on Ds candidates
 270                         // (to be passed to AliAODRecoDecayHF3Prong::SelectDs())
 271                         // 0 = inv. mass half width [GeV]
 272                         // 1 = pTK [GeV/c]
 273                         // 2 = pTPi [GeV/c]
 274                         // 3 = d0K [cm]   lower limit!
 275                         // 4 = d0Pi [cm]  lower limit!
 276                         // 5 = dist12 (cm)
 277                         // 6 = sigmavert (cm)
 278                         // 7 = dist prim-sec (cm)
 279                         // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
 280                         // 9 = cosThetaPoint
 281                         // 10 = Sum d0^2 (cm^2)
 282                         // 11 = dca cut (cm)
 283                         // 12 = inv. mass cut around phi
 284                         // 13 = inv. mass cut around phi K0* [GeV]
 285    Double_t fLcCuts[12]; // cuts on Lambdac candidates
 286                         // (to be passed to AliAODRecoDecayHF3Prong::SelectLc())
 287                         // 0 = inv. mass half width [GeV]
 288                         // 1 = pTP [GeV/c]
 289                         // 2 = pTPi abd pTK [GeV/c]
 290                         // 3 = d0P [cm]   lower limit!
 291                         // 4 = d0Pi and d0K [cm]  lower limit!
 292                         // 5 = dist12 (cm)
 293                         // 6 = sigmavert (cm)
 294                         // 7 = dist prim-sec (cm)
 295                         // 8 = pM=Max{pT1,pT2,pT3} (GeV/c)
 296                         // 9 = cosThetaPoint
 297                         // 10 = Sum d0^2 (cm^2)
 298                         // 11 = dca cut (cm)
 299
 300    Double_t fLctoV0Cuts[9]; // cuts on Lambdac candidates to V0+bachelor
 301                         // (to be passed to AliAODRecoDecayHF3Prong::SelectLctoV0())
 302                         // 0 = inv. mass half width in K0s hypothesis [GeV]
 303                         // 1 = inv. mass half width in Lambda hypothesis [GeV]
 304                         // 2 = inv. mass V0 in K0s hypothesis half width [GeV]
 305                         // 3 = inv. mass V0 in Lambda hypothesis half width [GeV]
 306                         // 4 = pT min Bachelor track [GeV/c]
 307                         // 5 = pT min V0-Positive track [GeV/c]
 308                         // 6 = pT min V0-Negative track [GeV/c]
 309                         // 7 = dca cut on the V0 (cm)
 310                         // 8 = dca cut on the cascade (cm)
 311
 312   Double_t fDstarCuts[5]; // cuts on D* candidates
 313                         // (to be passed to AliAODRecoCascadeHF::SelectDstar())
 314                         // 0 = inv. mass half width of D* [GeV]
 315                         // 1 = half width of (M_Kpipi-M_Kpi) [GeV]
 316                         // 2 = PtMin of pi_s [GeV/c]
 317                         // 3 = PtMax of pi_s [GeV/c]
 318                         // 4 = theta, angle between the track of pi_s and D0 decay plane [rad]
 319
 320   Double_t fD0to4ProngsCuts[9]; // cuts on D0->K3pi candidates
 321                         // (to be passed to AliAODRecoDecayHF4Prong::SelectD0())
 322                         // 0 = inv. mass half width of D0 [GeV]
 323                         // 1 = DCA between opposite sign tracks
 324                         // 2 = Distance between primary and two tracks vertex fDist12toPrim
 325                         // 3 = Distance between primary and three tracks vertex fDist3toPrim
 326                         // 4 = Distance between primary and two tracks vertex fDist4toPrim
 327                         // 5 = Cosinus of the pointing angle
 328                         // 6 = Transverse momentum of the D0 candidate
 329                         // 7 = Mass Pi+Pi- = mass of the rho0
 330                         // 8 = PID cut (one K in the quadruplet)
 331
 332   TList *fListOfCuts;    // pointer to list of cuts for output file
 333   Bool_t fFindVertexForDstar; // reconstruct a secondary vertex or assume it's from the primary vertex
 334   Bool_t fFindVertexForCascades;  // reconstruct a secondary vertex or assume it's from the primary vertex
 335   //
 336   void AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,const AliVEvent *event,
 337                const TObjArray *trkArray) const;
 338   void AddDaughterRefs(AliAODVertex *v,const AliVEvent *event,
 339                        const TObjArray *trkArray) const;
 340   AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliVEvent *event,
 341                                       AliAODVertex *secVert,Double_t dcap1n1,
 342                                       Bool_t &okD0,Bool_t &okJPSI,Bool_t &okD0fromDstar) const;
 343   AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliVEvent *event,
 344                                       AliAODVertex *secVert,
 345                                       Double_t dispersion,
 346                                       const AliAODVertex *vertexp1n1,
 347                                       const AliAODVertex *vertexp2n1,
 348                                       Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
 349                                       Bool_t &ok3Prong) const;
 350   AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliVEvent *event,
 351                                       AliAODVertex *secVert,
 352                                       const AliAODVertex *vertexp1n1,
 353                                       const AliAODVertex *vertexp1n1p2,
 354                                       Double_t dcap1n1,Double_t dcap1n2,
 355                                       Double_t dcap2n1,Double_t dcap2n2,
 356                                       Bool_t &ok4Prong) const;
 357   AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
 358                                    AliAODVertex *secVert,
 359                                    AliAODRecoDecayHF2Prong *rd2Prong,
 360                                    Double_t dca,
 361                                    Bool_t &okDstar) const;
 362   AliAODRecoCascadeHF* MakeCascade(TObjArray *twoTrackArray,AliVEvent *event,
 363                                    AliAODVertex *secVert,
 364                                    AliAODv0 *v0,
 365                                    Double_t dca,
 366                                    Bool_t &okCascades) const;
 367
 368   AliAODVertex* PrimaryVertex(const TObjArray *trkArray=0x0,AliVEvent *event=0x0) const;
 369   AliAODVertex* ReconstructSecondaryVertex(TObjArray *trkArray,Double_t &dispersion,Bool_t useTRefArray=kTRUE) const;
 370   Bool_t SelectInvMass(Int_t decay,Int_t nprongs,
 371                        Double_t *px,Double_t *py,Double_t *pz) const;
 372   void   SelectTracksAndCopyVertex(const AliVEvent *event,
 373                                    TObjArray &seleTrksArray,Int_t &nSeleTrks,
 374                                    UChar_t *seleFlags,Int_t *evtNumber);
 375   Bool_t SingleTrkCuts(AliESDtrack *trk,Bool_t &okDisplaced,Bool_t &okSoftPi) const;
 376
 377   AliAODv0* TransformESDv0toAODv0(AliESDv0 *esdv0,
 378                                   TObjArray *twoTrackArrayV0);
 379
 380   //
 381   ClassDef(AliAnalysisVertexingHF,18);  // Reconstruction of HF decay candidates
 382 };
 383
 384
 385 #endif
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