return kTRUE;
}
//--------------------------------------------------------------------------
-Bool_t AliAODRecoDecayHF3Prong::SelectDs(const Double_t *cuts,Int_t &okDsKKpi,Int_t &okDspiKK)
+Bool_t AliAODRecoDecayHF3Prong::SelectDs(const Double_t *cuts,Int_t &okDsKKpi,Int_t &okDspiKK, Int_t &okMassPhi, Int_t &okMassK0star)
const {
//
// This function compares the Ds with a set of cuts
// cuts[9] = cosThetaPoint
// cuts[10] = Sum d0^2 (cm^2)
// cuts[11] = dca cut (cm)
-// cuts[12] = max. inv. mass difference(Mphi-MKK and MK0*-MKpi) [GeV]
+// cuts[12] = max. inv. mass difference(Mphi-MKK) [GeV]
+// cuts[13] = max. inv. mass difference(MK0*-MKpi) [GeV]
//
// If candidate Ds does not pass the cuts return kFALSE
//
Double_t mDsKKpi,mDspiKK;
okDsKKpi=1; okDspiKK=1;
+ okMassPhi=0; okMassK0star=0;
Double_t mDsPDG = TDatabasePDG::Instance()->GetParticle(431)->Mass();
if(TMath::Abs(PtProng(2)) < cuts[2] || TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion
// cuts on resonant decays (via Phi or K0*)
- Bool_t okMassPhi=1;
- Double_t mass01phi=InvMass2Prongs(0,1,321,321);
- Double_t mass12phi=InvMass2Prongs(1,2,321,321);
Double_t mPhiPDG = TDatabasePDG::Instance()->GetParticle(333)->Mass();
- if(TMath::Abs(mass01phi-mPhiPDG)>cuts[12] && TMath::Abs(mass12phi-mPhiPDG)>cuts[12]) okMassPhi = 0;
- Bool_t okMassK0star=1;
- Double_t mass01K0s=InvMass2Prongs(0,1,211,321);
- Double_t mass12K0s=InvMass2Prongs(1,2,321,211);
- Double_t mK0sPDG = TDatabasePDG::Instance()->GetParticle(313)->Mass();
- if(TMath::Abs(mass01K0s-mK0sPDG)>cuts[12] && TMath::Abs(mass12K0s-mK0sPDG)>cuts[12]) okMassK0star = 0;
- if(!okMassPhi && !okMassK0star) return kFALSE;
+ Double_t mK0starPDG = TDatabasePDG::Instance()->GetParticle(313)->Mass();
+ if(okDsKKpi){
+ Double_t mass01phi=InvMass2Prongs(0,1,321,321);
+ Double_t mass12K0s=InvMass2Prongs(1,2,321,211);
+ if(TMath::Abs(mass01phi-mPhiPDG)<cuts[12]) okMassPhi=1;
+ if(TMath::Abs(mass12K0s-mK0starPDG)<cuts[13]) okMassK0star = 1;
+ if(!okMassPhi && !okMassK0star) okDsKKpi=kFALSE;
+ }
+ if(okDspiKK){
+ Double_t mass01K0s=InvMass2Prongs(0,1,211,321);
+ Double_t mass12phi=InvMass2Prongs(1,2,321,321);
+ if(TMath::Abs(mass01K0s-mK0starPDG)<cuts[13]) okMassK0star = 1;
+ if(TMath::Abs(mass12phi-mPhiPDG)<cuts[12]) okMassPhi=1;
+ if(!okMassPhi && !okMassK0star) okDspiKK=kFALSE;
+ }
+ if(!okDsKKpi && !okDspiKK) return kFALSE;
+
+
+
//DCA
for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;
Double_t CtDs(AliAODVertex *vtx1) const {return AliAODRecoDecay::Ct(431,vtx1);}
Double_t InvMassDsKKpi() const {UInt_t pdg[3]={321,321,211};return InvMass(3,pdg);}
Double_t InvMassDspiKK() const {UInt_t pdg[3]={211,321,321};return InvMass(3,pdg);}
- Bool_t SelectDs(const Double_t* cuts,Int_t &okDsKKpi,Int_t &okDspiKK)
+ Bool_t SelectDs(const Double_t* cuts,Int_t &okDsKKpi,Int_t &okDspiKK, Int_t &okMassPhi, Int_t &okMassK0star)
const; // same variables as D+, for now
// Lambdac+->pKpi