// class AliAnalysisTaskSEVertexingHF.
// An example of usage in the macro AliAnalysisTaskSEVertexingHFTest.C.
//
-// Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita
-// Contact: andrea.dainese@lnl.infn.it
+// Contact: andrea.dainese@pd.infn.it
+// Contributors: E.Bruna, G.E.Bruno, A.Dainese, C.Di Gliglio,
+// F.Prino, R.Romita, X.M.Zhang
//----------------------------------------------------------------------------
#include <TFile.h>
#include <TDatabasePDG.h>
#include "AliVVertex.h"
#include "AliVTrack.h"
#include "AliVertexerTracks.h"
-#include "AliKFParticle.h"
+#include "AliKFVertex.h"
#include "AliESDEvent.h"
#include "AliESDVertex.h"
+#include "AliExternalTrackParam.h"
+#include "AliNeutralTrackParam.h"
#include "AliESDtrack.h"
+#include "AliESDtrackCuts.h"
#include "AliAODEvent.h"
#include "AliAODRecoDecay.h"
#include "AliAODRecoDecayHF.h"
#include "AliAODRecoDecayHF2Prong.h"
#include "AliAODRecoDecayHF3Prong.h"
#include "AliAODRecoDecayHF4Prong.h"
+#include "AliAODRecoCascadeHF.h"
+#include "AliAnalysisFilter.h"
#include "AliAnalysisVertexingHF.h"
+#include "AliMixedEvent.h"
ClassImp(AliAnalysisVertexingHF)
//----------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF():
fInputAOD(kFALSE),
+fAODMapSize(0),
fAODMap(0),
fBzkG(0.),
fSecVtxWithKF(kFALSE),
fJPSItoEle(kTRUE),
f3Prong(kTRUE),
f4Prong(kTRUE),
-fITSrefit(kFALSE),
-fBothSPD(kTRUE),
-fMinITSCls(5),
-fMinPtCut(0.),
-fMind0rphiCut(0.)
+fDstar(kTRUE),
+fLikeSign(kFALSE),
+fMixEvent(kFALSE),
+fTrackFilter(0x0),
+fTrackFilterSoftPi(0x0),
+fFindVertexForDstar(kTRUE)
{
// Default constructor
SetDplusCuts();
SetDsCuts();
SetLcCuts();
+ SetDstarCuts();
+ SetD0to4ProngsCuts();
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) :
TNamed(source),
fInputAOD(source.fInputAOD),
+fAODMapSize(source.fAODMapSize),
fAODMap(source.fAODMap),
fBzkG(source.fBzkG),
fSecVtxWithKF(source.fSecVtxWithKF),
fJPSItoEle(source.fJPSItoEle),
f3Prong(source.f3Prong),
f4Prong(source.f4Prong),
-fITSrefit(source.fITSrefit),
-fBothSPD(source.fBothSPD),
-fMinITSCls(source.fMinITSCls),
-fMinPtCut(source.fMinPtCut),
-fMind0rphiCut(source.fMind0rphiCut)
+fDstar(source.fDstar),
+fLikeSign(source.fLikeSign),
+fMixEvent(source.fMixEvent),
+fTrackFilter(source.fTrackFilter),
+fTrackFilterSoftPi(source.fTrackFilterSoftPi),
+fFindVertexForDstar(source.fFindVertexForDstar)
{
//
// Copy constructor
for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i];
for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i];
for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i];
- for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i];
- for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i];
+ for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<5; i++) fDstarCuts[i]=source.fDstarCuts[i];
+ for(Int_t i=0; i<9; i++) fD0to4ProngsCuts[i]=source.fD0to4ProngsCuts[i];
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source)
//
if(&source == this) return *this;
fInputAOD = source.fInputAOD;
+ fAODMapSize = source.fAODMapSize;
fBzkG = source.fBzkG;
fSecVtxWithKF = source.fSecVtxWithKF;
fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks;
fJPSItoEle = source.fJPSItoEle;
f3Prong = source.f3Prong;
f4Prong = source.f4Prong;
- fITSrefit = source.fITSrefit;
- fBothSPD = source.fBothSPD;
- fMinITSCls = source.fMinITSCls;
- fMinPtCut = source.fMinPtCut;
- fMind0rphiCut = source.fMind0rphiCut;
+ fDstar = source.fDstar;
+ fLikeSign = source.fLikeSign;
+ fMixEvent = source.fMixEvent;
+ fTrackFilter = source.fTrackFilter;
+ fTrackFilterSoftPi = source.fTrackFilterSoftPi;
+ fFindVertexForDstar = source.fFindVertexForDstar;
for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i];
for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i];
for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i];
- for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i];
- for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i];
+ for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<5; i++) fDstarCuts[i]=source.fDstarCuts[i];
+ for(Int_t i=0; i<9; i++) fD0to4ProngsCuts[i]=source.fD0to4ProngsCuts[i];
return *this;
}
AliAnalysisVertexingHF::~AliAnalysisVertexingHF() {
// Destructor
if(fV1) { delete fV1; fV1=0; }
+ if(fTrackFilter) { delete fTrackFilter; fTrackFilter=0; }
+ if(fTrackFilterSoftPi) { delete fTrackFilterSoftPi; fTrackFilterSoftPi=0; }
+ if(fAODMap) { delete fAODMap; fAODMap=0; }
}
//----------------------------------------------------------------------------
void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event,
TClonesArray *aodD0toKpiTClArr,
TClonesArray *aodJPSItoEleTClArr,
TClonesArray *aodCharm3ProngTClArr,
- TClonesArray *aodCharm4ProngTClArr)
+ TClonesArray *aodCharm4ProngTClArr,
+ TClonesArray *aodDstarTClArr,
+ TClonesArray *aodLikeSign2ProngTClArr,
+ TClonesArray *aodLikeSign3ProngTClArr)
{
// Find heavy-flavour vertex candidates
// Input: ESD or AOD
// Output: AOD (additional branches added)
+ if(!fMixEvent){
+ TString evtype = event->IsA()->GetName();
+ fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE);
+ } // if we do mixing AliVEvent is a AliMixedEvent
- TString evtype = event->IsA()->GetName();
- fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE);
+ if(fInputAOD) {
+ AliDebug(2,"Creating HF candidates from AOD");
+ } else {
+ AliDebug(2,"Creating HF candidates from ESD");
+ }
if(!aodVerticesHFTClArr) {
printf("ERROR: no aodVerticesHFTClArr");
return;
}
- if(fD0toKpi && !aodD0toKpiTClArr) {
+ if((fD0toKpi || fDstar) && !aodD0toKpiTClArr) {
printf("ERROR: no aodD0toKpiTClArr");
return;
}
printf("ERROR: no aodCharm4ProngTClArr");
return;
}
+ if(fDstar && !aodDstarTClArr) {
+ printf("ERROR: no aodDstarTClArr");
+ return;
+ }
+ if(fLikeSign && !aodLikeSign2ProngTClArr) {
+ printf("ERROR: no aodLikeSign2ProngTClArr");
+ return;
+ }
+ if(fLikeSign && f3Prong && !aodLikeSign3ProngTClArr) {
+ printf("ERROR: no aodLikeSign2ProngTClArr");
+ return;
+ }
// delete candidates from previous event and create references
- Int_t iVerticesHF=0,iD0toKpi=0,iJPSItoEle=0,i3Prong=0,i4Prong=0;
+ Int_t iVerticesHF=0,iD0toKpi=0,iJPSItoEle=0,i3Prong=0,i4Prong=0,iDstar=0,iLikeSign2Prong=0,iLikeSign3Prong=0;
aodVerticesHFTClArr->Delete();
iVerticesHF = aodVerticesHFTClArr->GetEntriesFast();
TClonesArray &verticesHFRef = *aodVerticesHFTClArr;
- if(fD0toKpi) {
+ if(fD0toKpi || fDstar) {
aodD0toKpiTClArr->Delete();
iD0toKpi = aodD0toKpiTClArr->GetEntriesFast();
}
aodCharm4ProngTClArr->Delete();
i4Prong = aodCharm4ProngTClArr->GetEntriesFast();
}
- TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr;
- TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr;
- TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr;
- TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr;
-
-
- AliAODRecoDecayHF2Prong *io2Prong = 0;
- AliAODRecoDecayHF3Prong *io3Prong = 0;
- AliAODRecoDecayHF4Prong *io4Prong = 0;
-
- Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,trkEntries;
- Int_t nTrksP=0,nTrksN=0;
- Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2;
+ if(fDstar) {
+ aodDstarTClArr->Delete();
+ iDstar = aodDstarTClArr->GetEntriesFast();
+ }
+ if(fLikeSign) {
+ aodLikeSign2ProngTClArr->Delete();
+ iLikeSign2Prong = aodLikeSign2ProngTClArr->GetEntriesFast();
+ }
+ if(fLikeSign && f3Prong) {
+ aodLikeSign3ProngTClArr->Delete();
+ iLikeSign3Prong = aodLikeSign3ProngTClArr->GetEntriesFast();
+ }
+
+ TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr;
+ TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr;
+ TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr;
+ TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr;
+ TClonesArray &aodDstarRef = *aodDstarTClArr;
+ TClonesArray &aodLikeSign2ProngRef = *aodLikeSign2ProngTClArr;
+ TClonesArray &aodLikeSign3ProngRef = *aodLikeSign3ProngTClArr;
+
+
+ AliAODRecoDecayHF2Prong *io2Prong = 0;
+ AliAODRecoDecayHF3Prong *io3Prong = 0;
+ AliAODRecoDecayHF4Prong *io4Prong = 0;
+ AliAODRecoCascadeHF *ioCascade = 0;
+
+ Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,iTrkSoftPi,trkEntries;
+ Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2,dcap2n2,dcaCasc;
Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE;
+ Bool_t okDstar=kFALSE,okD0fromDstar=kFALSE;
AliESDtrack *postrack1 = 0;
AliESDtrack *postrack2 = 0;
AliESDtrack *negtrack1 = 0;
AliESDtrack *negtrack2 = 0;
+ AliESDtrack *trackPi = 0;
Double_t dcaMax = fD0toKpiCuts[1];
if(dcaMax < fBtoJPSICuts[1]) dcaMax=fBtoJPSICuts[1];
if(dcaMax < fDplusCuts[11]) dcaMax=fDplusCuts[11];
+ if(dcaMax < fD0to4ProngsCuts[1]) dcaMax=fD0to4ProngsCuts[1];
AliDebug(2,Form(" dca cut set to %f cm",dcaMax));
AliDebug(1," No primary vertex from tracks");
return;
}
- TString primTitle = primary->GetTitle();
- if(!primTitle.Contains("VertexerTracks")) {
+
+ TString primTitle=primary->GetTitle();
+ if(!primTitle.Contains("VertexerTracks") ||
+ primary->GetNContributors()<=0) {
AliDebug(1," No primary vertex from tracks");
return;
}
+
// call function that applies sigle-track selection,
- // separates positives and negatives,
+ // for displaced tracks and soft pions (both charges) for D*,
// and retrieves primary vertex
- TObjArray trksP(trkEntries/2);
- TObjArray trksN(trkEntries/2);
- SelectTracksAndCopyVertex(event,trksP,nTrksP,trksN,nTrksN);
+ TObjArray seleTrksArray(trkEntries);
+ UChar_t *seleFlags = new UChar_t[trkEntries]; // bit 0: displaced, bit 1: softpi
+ Int_t nSeleTrks=0;
+ Int_t *evtNumber = new Int_t[trkEntries];
+ SelectTracksAndCopyVertex(event,seleTrksArray,nSeleTrks,seleFlags,evtNumber);
- AliDebug(1,Form(" Pos. tracks: %d Neg. tracks: %d",nTrksP,nTrksN));
+ AliDebug(1,Form(" Selected tracks: %d",nSeleTrks));
- TObjArray *twoTrackArray1 = new TObjArray(2);
- TObjArray *twoTrackArray2 = new TObjArray(2);
- TObjArray *threeTrackArray = new TObjArray(3);
- TObjArray *fourTrackArray = new TObjArray(4);
+ TObjArray *twoTrackArray1 = new TObjArray(2);
+ TObjArray *twoTrackArray2 = new TObjArray(2);
+ TObjArray *twoTrackArrayCasc = new TObjArray(2);
+ TObjArray *threeTrackArray = new TObjArray(3);
+ TObjArray *fourTrackArray = new TObjArray(4);
Double_t dispersion;
+ Bool_t isLikeSign2Prong=kFALSE,isLikeSign3Prong=kFALSE;
+
+ AliAODRecoDecayHF *rd = 0;
+ AliAODRecoCascadeHF *rc = 0;
// LOOP ON POSITIVE TRACKS
- for(iTrkP1=0; iTrkP1<nTrksP; iTrkP1++) {
- if(iTrkP1%1==0) AliDebug(1,Form(" Processing positive track number %d of %d",iTrkP1,nTrksP));
+ for(iTrkP1=0; iTrkP1<nSeleTrks; iTrkP1++) {
+
+ if(iTrkP1%1==0) AliDebug(1,Form(" 1st loop on pos: track number %d of %d",iTrkP1,nSeleTrks));
+
// get track from tracks array
- postrack1 = (AliESDtrack*)trksP.UncheckedAt(iTrkP1);
-
+ postrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP1);
+
+ if(!TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue;
+
+ if(postrack1->Charge()<0 && !fLikeSign) continue;
+
// LOOP ON NEGATIVE TRACKS
- for(iTrkN1=0; iTrkN1<nTrksN; iTrkN1++) {
- if(iTrkN1%1==0) AliDebug(1,Form(" Processing negative track number %d of %d",iTrkN1,nTrksN));
+ for(iTrkN1=0; iTrkN1<nSeleTrks; iTrkN1++) {
+
+ if(iTrkN1%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks));
+
+ if(iTrkN1==iTrkP1) continue;
+
// get track from tracks array
- negtrack1 = (AliESDtrack*)trksN.UncheckedAt(iTrkN1);
+ negtrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN1);
+
+ if(negtrack1->Charge()>0 && !fLikeSign) continue;
+
+ if(!TESTBIT(seleFlags[iTrkN1],kBitDispl)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(postrack1->Charge()==negtrack1->Charge()) { // like-sign
+ isLikeSign2Prong=kTRUE;
+ if(!fLikeSign) continue;
+ if(iTrkN1<iTrkP1) continue; // this is needed to avoid double-counting of like-sign
+ } else { // unlike-sign
+ isLikeSign2Prong=kFALSE;
+ if(postrack1->Charge()<0 || negtrack1->Charge()>0) continue; // this is needed to avoid double-counting of unlike-sign
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+
// DCA between the two tracks
dcap1n1 = postrack1->GetDCA(negtrack1,fBzkG,xdummy,ydummy);
if(dcap1n1>dcaMax) { negtrack1=0; continue; }
+
// Vertexing
twoTrackArray1->AddAt(postrack1,0);
twoTrackArray1->AddAt(negtrack1,1);
negtrack1=0;
continue;
}
- if(fD0toKpi || fJPSItoEle) {
- io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI);
- if(okD0 || okJPSI) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
- if(fInputAOD) AddDaughterRefs(v,event,twoTrackArray1);
- if(okD0) {
- AliAODRecoDecayHF2Prong *rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+
+ // 2 prong candidate
+ if(fD0toKpi || fJPSItoEle || fDstar || fLikeSign) {
+
+ io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI,okD0fromDstar);
+
+ if((fD0toKpi && okD0) || (fJPSItoEle && okJPSI) || (isLikeSign2Prong && (okD0 || okJPSI))) {
+ // add the vertex and the decay to the AOD
+ AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
+ if(fInputAOD) AddDaughterRefs(v2Prong,event,twoTrackArray1);
+ if(!isLikeSign2Prong) {
+ if(okD0) {
+ rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ }
+ if(okJPSI) {
+ rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ...
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ }
+ } else { // isLikeSign2Prong
+ rd = new(aodLikeSign2ProngRef[iLikeSign2Prong++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
}
- if(okJPSI) {
- AliAODRecoDecayHF2Prong *rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong);
- rd->SetSecondaryVtx(v);
- if(!okD0) v->SetParent(rd); // do something better here...
+ }
+ // D* candidates
+ if(fDstar && okD0fromDstar && !isLikeSign2Prong) {
+ // write references in io2Prong
+ if(fInputAOD) {
+ AddDaughterRefs(vertexp1n1,event,twoTrackArray1);
+ } else {
+ vertexp1n1->AddDaughter(postrack1);
+ vertexp1n1->AddDaughter(negtrack1);
}
+ io2Prong->SetSecondaryVtx(vertexp1n1);
+ //printf("---> %d %d %d %d %d\n",vertexp1n1->GetNDaughters(),iTrkP1,iTrkN1,postrack1->Charge(),negtrack1->Charge());
+ // create a track from the D0
+ AliNeutralTrackParam *trackD0 = new AliNeutralTrackParam(io2Prong);
+
+ // LOOP ON TRACKS THAT PASSED THE SOFT PION CUTS
+ for(iTrkSoftPi=0; iTrkSoftPi<nSeleTrks; iTrkSoftPi++) {
+
+ if(iTrkSoftPi==iTrkP1 || iTrkSoftPi==iTrkN1) continue;
+
+ if(!TESTBIT(seleFlags[iTrkSoftPi],kBitSoftPi)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkSoftPi] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkSoftPi] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(iTrkSoftPi%1==0) AliDebug(1,Form(" 1st loop on pi_s: track number %d of %d",iTrkSoftPi,nSeleTrks));
+
+ trackD0->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ if(trackD0->GetSigmaY2()<0. || trackD0->GetSigmaZ2()<0.) continue; // this is insipired by the AliITStrackV2::Invariant() checks
+
+ // get track from tracks array
+ trackPi = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkSoftPi);
+ trackPi->PropagateToDCA(fV1,fBzkG,kVeryBig);
+
+ twoTrackArrayCasc->AddAt(trackPi,0);
+ twoTrackArrayCasc->AddAt(trackD0,1);
+
+ AliAODVertex *vertexCasc = 0;
+
+ if(fFindVertexForDstar) {
+ // DCA between the two tracks
+ dcaCasc = trackPi->GetDCA(trackD0,fBzkG,xdummy,ydummy);
+ // Vertexing
+ vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE);
+ } else {
+ // assume Dstar decays at the primary vertex
+ Double_t pos[3],cov[6],chi2perNDF;
+ fV1->GetXYZ(pos);
+ fV1->GetCovMatrix(cov);
+ chi2perNDF = fV1->GetChi2toNDF();
+ vertexCasc = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,2);
+ dcaCasc = 0.;
+ }
+ if(!vertexCasc) {
+ twoTrackArrayCasc->Clear();
+ trackPi=0;
+ continue;
+ }
+
+ ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,io2Prong,dcaCasc,okDstar);
+ if(okDstar) {
+ // add the D0 to the AOD (if not already done)
+ if(!okD0) {
+ AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
+ if(fInputAOD) AddDaughterRefs(v2Prong,event,twoTrackArray1);
+ rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ okD0=kTRUE; // this is done to add it only once
+ }
+ // add the vertex and the cascade to the AOD
+ AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc);
+ if(fInputAOD) {
+ AddDaughterRefs(vCasc,event,twoTrackArrayCasc); // add the pion
+ } else {
+ vCasc->AddDaughter(rd); // just to fill ref #0
+ }
+ vCasc->AddDaughter(rd); // add the D0 (in ref #1)
+ rc = new(aodDstarRef[iDstar++])AliAODRecoCascadeHF(*ioCascade);
+ rc->SetSecondaryVtx(vCasc);
+ vCasc->SetParent(rc);
+ if(fInputAOD) rc->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ }
+ twoTrackArrayCasc->Clear();
+ trackPi=0;
+ if(ioCascade) {delete ioCascade; ioCascade=NULL;}
+ delete vertexCasc; vertexCasc=NULL;
+ } // end loop on soft pi tracks
+
+ if(trackD0) {delete trackD0; trackD0=NULL;}
+
}
- io2Prong=NULL;
- }
-
+ if(io2Prong) {delete io2Prong; io2Prong=NULL;}
+ }
+
twoTrackArray1->Clear();
- if(!f3Prong && !f4Prong) {
+ if( (!f3Prong && !f4Prong) ||
+ (isLikeSign2Prong && !f3Prong) ) {
negtrack1=0;
delete vertexp1n1;
continue;
// 2nd LOOP ON POSITIVE TRACKS
- for(iTrkP2=iTrkP1+1; iTrkP2<nTrksP; iTrkP2++) {
+ for(iTrkP2=iTrkP1+1; iTrkP2<nSeleTrks; iTrkP2++) {
+
+ if(iTrkP2==iTrkP1 || iTrkP2==iTrkN1) continue;
+
+ if(iTrkP2%1==0) AliDebug(1,Form(" 2nd loop on pos: track number %d of %d",iTrkP2,nSeleTrks));
+
// get track from tracks array
- postrack2 = (AliESDtrack*)trksP.UncheckedAt(iTrkP2);
+ postrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP2);
+
+ if(postrack2->Charge()<0) continue;
+
+ if(!TESTBIT(seleFlags[iTrkP2],kBitDispl)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet
+ if(postrack1->Charge()>0) { // ok: like-sign triplet (+++)
+ isLikeSign3Prong=kTRUE;
+ } else { // not ok
+ continue;
+ }
+ } else { // normal triplet (+-+)
+ isLikeSign3Prong=kFALSE;
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ //printf("********** %d %d %d\n",postrack1->GetID(),postrack2->GetID(),negtrack1->GetID());
+
dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy);
if(dcap2n1>dcaMax) { postrack2=0; continue; }
dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy);
if(!vertexp2n1) {
twoTrackArray2->Clear();
postrack2=0;
- continue;
+ continue;
}
+
+ // 3 prong candidates
if(f3Prong) {
- threeTrackArray->AddAt(postrack1,0);
- threeTrackArray->AddAt(negtrack1,1);
- threeTrackArray->AddAt(postrack2,2);
+ if(postrack2->Charge()>0) {
+ threeTrackArray->AddAt(postrack1,0);
+ threeTrackArray->AddAt(negtrack1,1);
+ threeTrackArray->AddAt(postrack2,2);
+ } else {
+ threeTrackArray->AddAt(negtrack1,0);
+ threeTrackArray->AddAt(postrack1,1);
+ threeTrackArray->AddAt(postrack2,2);
+ }
+
AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion);
io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong);
if(ok3Prong) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
- if(fInputAOD) AddDaughterRefs(v,event,threeTrackArray);
- AliAODRecoDecayHF3Prong *rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+ AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
+ if(fInputAOD) AddDaughterRefs(v3Prong,event,threeTrackArray);
+ if(!isLikeSign3Prong) {
+ rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ } else { // isLikeSign3Prong
+ rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ }
}
- if(io3Prong) io3Prong=NULL;
+ if(io3Prong) {delete io3Prong; io3Prong=NULL;}
+ if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;}
}
- if(f4Prong) {
+
+ // 4 prong candidates
+ if(f4Prong
+ // don't make 4 prong with like-sign pairs and triplets
+ && !isLikeSign2Prong && !isLikeSign3Prong
+ // track-to-track dca cuts already now
+ && dcap1n1 < fD0to4ProngsCuts[1]
+ && dcap2n1 < fD0to4ProngsCuts[1]) {
+
+ // back to primary vertex
+ postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ // Vertexing for these 3 (can be taken from above?)
+ threeTrackArray->AddAt(postrack1,0);
+ threeTrackArray->AddAt(negtrack1,1);
+ threeTrackArray->AddAt(postrack2,2);
+ AliAODVertex* vertexp1n1p2 = ReconstructSecondaryVertex(threeTrackArray,dispersion);
+
// 3rd LOOP ON NEGATIVE TRACKS (for 4 prong)
- for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) {
+ for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) {
+
+ if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue;
+
+ if(iTrkN2%1==0) AliDebug(1,Form(" 3rd loop on neg: track number %d of %d",iTrkN2,nSeleTrks));
+
// get track from tracks array
- negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2);
+ negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2);
+
+ if(negtrack2->Charge()>0) continue;
+
+ if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue;
+ if(fMixEvent){
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkP2]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkP2]) continue;
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
- if(dcap1n2>dcaMax) { negtrack2=0; continue; }
+ if(dcap1n2 > fD0to4ProngsCuts[1]) { negtrack2=0; continue; }
+ dcap2n2 = postrack2->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
+ if(dcap2n2 > fD0to4ProngsCuts[1]) { negtrack2=0; continue; }
+
// Vertexing
fourTrackArray->AddAt(postrack1,0);
fourTrackArray->AddAt(negtrack1,1);
fourTrackArray->AddAt(postrack2,2);
fourTrackArray->AddAt(negtrack2,3);
+
AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion);
- io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong);
+ io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp1n1p2,dcap1n1,dcap1n2,dcap2n1,dcap2n2,ok4Prong);
if(ok4Prong) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD);
- if(fInputAOD) AddDaughterRefs(v,event,fourTrackArray);
- AliAODRecoDecayHF4Prong *rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+ AliAODVertex *v4Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD);
+ if(fInputAOD) AddDaughterRefs(v4Prong,event,fourTrackArray);
+ rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong);
+ rd->SetSecondaryVtx(v4Prong);
+ v4Prong->SetParent(rd);
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
}
- if(io4Prong) io4Prong=NULL;
+
+ if(io4Prong) {delete io4Prong; io4Prong=NULL;}
+ if(secVert4PrAOD) {delete secVert4PrAOD; secVert4PrAOD=NULL;}
fourTrackArray->Clear();
negtrack2 = 0;
+
} // end loop on negative tracks
+
+ threeTrackArray->Clear();
+ delete vertexp1n1p2;
+
}
+
postrack2 = 0;
delete vertexp2n1;
+
} // end 2nd loop on positive tracks
+
twoTrackArray2->Clear();
- // 2nd LOOP ON NEGATIVE TRACKS
- for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) {
+ // 2nd LOOP ON NEGATIVE TRACKS (for 3 prong -+-)
+ for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) {
+
+ if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue;
+
+ if(iTrkN2%1==0) AliDebug(1,Form(" 2nd loop on neg: track number %d of %d",iTrkN2,nSeleTrks));
+
// get track from tracks array
- negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2);
+ negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2);
+
+ if(negtrack2->Charge()>0) continue;
+
+ if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet
+ if(postrack1->Charge()<0) { // ok: like-sign triplet (---)
+ isLikeSign3Prong=kTRUE;
+ } else { // not ok
+ continue;
+ }
+ } else { // normal triplet (-+-)
+ isLikeSign3Prong=kFALSE;
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ //printf("********** %d %d %d\n",postrack1->GetID(),negtrack1->GetID(),negtrack2->GetID());
+
dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
if(dcap1n2>dcaMax) { negtrack2=0; continue; }
dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
negtrack2=0;
continue;
}
+
if(f3Prong) {
threeTrackArray->AddAt(negtrack1,0);
threeTrackArray->AddAt(postrack1,1);
AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion);
io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong);
if(ok3Prong) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
- if(fInputAOD) AddDaughterRefs(v,event,threeTrackArray);
- AliAODRecoDecayHF3Prong *rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+ AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
+ if(fInputAOD) AddDaughterRefs(v3Prong,event,threeTrackArray);
+ if(!isLikeSign3Prong) {
+ rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ } else { // isLikeSign3Prong
+ rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ if(fInputAOD) rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ }
}
- if(io3Prong) io3Prong=NULL;
+ if(io3Prong) {delete io3Prong; io3Prong=NULL;}
+ if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;}
}
+
negtrack2 = 0;
delete vertexp1n2;
+
} // end 2nd loop on negative tracks
+
twoTrackArray2->Clear();
negtrack1 = 0;
} // end 1st loop on positive tracks
+ AliDebug(1,Form(" Total HF vertices in event = %d;",
+ (Int_t)aodVerticesHFTClArr->GetEntriesFast()));
if(fD0toKpi) {
AliDebug(1,Form(" D0->Kpi in event = %d;",
(Int_t)aodD0toKpiTClArr->GetEntriesFast()));
AliDebug(1,Form(" Charm->4Prong in event = %d;\n",
(Int_t)aodCharm4ProngTClArr->GetEntriesFast()));
}
+ if(fDstar) {
+ AliDebug(1,Form(" D*->D0pi in event = %d;\n",
+ (Int_t)aodDstarTClArr->GetEntriesFast()));
+ }
+ if(fLikeSign) {
+ AliDebug(1,Form(" Like-sign 2Prong in event = %d;\n",
+ (Int_t)aodLikeSign2ProngTClArr->GetEntriesFast()));
+ }
+ if(fLikeSign && f3Prong) {
+ AliDebug(1,Form(" Like-sign 3Prong in event = %d;\n",
+ (Int_t)aodLikeSign3ProngTClArr->GetEntriesFast()));
+ }
twoTrackArray1->Delete(); delete twoTrackArray1;
twoTrackArray2->Delete(); delete twoTrackArray2;
+ twoTrackArrayCasc->Delete(); delete twoTrackArrayCasc;
threeTrackArray->Clear();
threeTrackArray->Delete(); delete threeTrackArray;
fourTrackArray->Delete(); delete fourTrackArray;
+ delete [] seleFlags; seleFlags=NULL;
+ if(evtNumber) {delete [] evtNumber; evtNumber=NULL;}
if(fInputAOD) {
- trksP.Delete();
- trksN.Delete();
+ seleTrksArray.Delete();
+ if(fAODMap) { delete fAODMap; fAODMap=NULL; }
}
return;
Int_t nTrks = trkArray->GetEntriesFast();
- AliESDtrack *esdTrack = 0;
+ AliExternalTrackParam *track = 0;
AliAODTrack *aodTrack = 0;
Int_t id;
for(Int_t i=0; i<nTrks; i++) {
- esdTrack = (AliESDtrack*)trkArray->UncheckedAt(i);
- id = (Int_t)esdTrack->GetID();
+ track = (AliExternalTrackParam*)trkArray->UncheckedAt(i);
+ id = (Int_t)track->GetID();
+ //printf("---> %d\n",id);
+ if(id<0) continue; // this track is a AliAODRecoDecay
aodTrack = (AliAODTrack*)event->GetTrack(fAODMap[id]);
v->AddDaughter(aodTrack);
}
return;
}
//----------------------------------------------------------------------------
+AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade(
+ TObjArray *twoTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,
+ AliAODRecoDecayHF2Prong *rd2Prong,
+ Double_t dca,
+ Bool_t &okDstar) const
+{
+ // Make the cascade as a 2Prong decay and check if it passes Dstar
+ // reconstruction cuts
+
+ okDstar = kFALSE;
+
+ Bool_t dummy1,dummy2,dummy3;
+
+ // We use Make2Prong to construct the AliAODRecoCascadeHF
+ // (which inherits from AliAODRecoDecayHF2Prong)
+ AliAODRecoCascadeHF *theCascade =
+ (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca,
+ dummy1,dummy2,dummy3);
+ if(!theCascade) return 0x0;
+
+ // charge
+ AliESDtrack *trackPi = (AliESDtrack*)twoTrackArray->UncheckedAt(0);
+ theCascade->SetCharge(trackPi->Charge());
+
+ //--- selection cuts
+ //
+ AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade);
+ tmpCascade->GetSecondaryVtx()->AddDaughter(trackPi);
+ tmpCascade->GetSecondaryVtx()->AddDaughter(rd2Prong);
+ AliAODVertex *primVertexAOD=0;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
+ // take event primary vertex
+ primVertexAOD = PrimaryVertex();
+ tmpCascade->SetOwnPrimaryVtx(primVertexAOD);
+ rd2Prong->SetOwnPrimaryVtx(primVertexAOD);
+ }
+ // select D*->D0pi
+ if(fDstar) {
+ Bool_t testD0=kTRUE;
+ okDstar = tmpCascade->SelectDstar(fDstarCuts,fD0fromDstarCuts,testD0);
+ }
+ tmpCascade->GetSecondaryVtx()->RemoveDaughters();
+ tmpCascade->UnsetOwnPrimaryVtx();
+ delete tmpCascade; tmpCascade=NULL;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ rd2Prong->UnsetOwnPrimaryVtx();
+ }
+ if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;}
+ //---
+
+ return theCascade;
+}
+//-----------------------------------------------------------------------------
AliAODRecoDecayHF2Prong *AliAnalysisVertexingHF::Make2Prong(
- TObjArray *twoTrackArray1,AliVEvent *event,
+ TObjArray *twoTrackArray,AliVEvent *event,
AliAODVertex *secVert,Double_t dca,
- Bool_t &okD0,Bool_t &okJPSI) const
+ Bool_t &okD0,Bool_t &okJPSI,
+ Bool_t &okD0fromDstar) const
{
// Make 2Prong candidates and check if they pass D0toKpi or BtoJPSI
// reconstruction cuts
// G.E.Bruno (J/psi), A.Dainese (D0->Kpi)
- okD0=kFALSE; okJPSI=kFALSE;
+ okD0=kFALSE; okJPSI=kFALSE; okD0fromDstar=kFALSE;
Double_t px[2],py[2],pz[2],d0[2],d0err[2];
-
- AliESDtrack *postrack = (AliESDtrack*)twoTrackArray1->UncheckedAt(0);
- AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray1->UncheckedAt(1);
+ AliESDtrack *postrack = (AliESDtrack*)twoTrackArray->UncheckedAt(0);
+ AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray->UncheckedAt(1);
// propagate tracks to secondary vertex, to compute inv. mass
postrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
Bool_t okMassCut=kFALSE;
if(!okMassCut && fD0toKpi) if(SelectInvMass(0,2,px,py,pz)) okMassCut=kTRUE;
if(!okMassCut && fJPSItoEle) if(SelectInvMass(1,2,px,py,pz)) okMassCut=kTRUE;
+ if(!okMassCut && fDstar) if(SelectInvMass(3,2,px,py,pz)) okMassCut=kTRUE;
if(!okMassCut) {
AliDebug(2," candidate didn't pass mass cut");
return 0x0;
}
-
// primary vertex to be used by this candidate
- AliAODVertex *primVertexAOD = OwnPrimaryVertex(twoTrackArray1,event);
+ AliAODVertex *primVertexAOD = PrimaryVertex(twoTrackArray,event);
if(!primVertexAOD) return 0x0;
+
Double_t d0z0[2],covd0z0[3];
postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
d0[0] = d0z0[0];
negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
d0[1] = d0z0[0];
d0err[1] = TMath::Sqrt(covd0z0[0]);
-
+
// create the object AliAODRecoDecayHF2Prong
AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVert,px,py,pz,d0,d0err,dca);
the2Prong->SetOwnPrimaryVtx(primVertexAOD);
UShort_t id[2]={(UShort_t)postrack->GetID(),(UShort_t)negtrack->GetID()};
the2Prong->SetProngIDs(2,id);
+ delete primVertexAOD; primVertexAOD=NULL;
-
+
// select D0->Kpi
Int_t checkD0,checkD0bar;
- if(fD0toKpi) okD0 = the2Prong->SelectD0(fD0toKpiCuts,checkD0,checkD0bar);
+ if(fD0toKpi) okD0 = the2Prong->SelectD0(fD0toKpiCuts,checkD0,checkD0bar);
//if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0);
// select J/psi from B
Int_t checkJPSI;
- if(fJPSItoEle) okJPSI = the2Prong->SelectBtoJPSI(fBtoJPSICuts,checkJPSI);
+ if(fJPSItoEle) okJPSI = the2Prong->SelectBtoJPSI(fBtoJPSICuts,checkJPSI);
//if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI);
+ // select D0->Kpi from Dstar
+ if(fDstar) okD0fromDstar = the2Prong->SelectD0(fD0fromDstarCuts,checkD0,checkD0bar);
+ //if(fDebug && fDstar) printf(" %d\n",(Int_t)okD0fromDstar);
- if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the2Prong->UnsetOwnPrimaryVtx();
-
- if(okD0 || okJPSI) {
- // get PID info from ESD
- Double_t esdpid0[5];
- postrack->GetESDpid(esdpid0);
- Double_t esdpid1[5];
- negtrack->GetESDpid(esdpid1);
- Double_t esdpid[10];
- for(Int_t i=0;i<5;i++) {
- esdpid[i] = esdpid0[i];
- esdpid[5+i] = esdpid1[i];
- }
- the2Prong->SetPID(2,esdpid);
+ // remove the primary vertex (was used only for selection)
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the2Prong->UnsetOwnPrimaryVtx();
}
+
+ // get PID info from ESD
+ Double_t esdpid0[5]={0.,0.,0.,0.,0.};
+ if(postrack->GetStatus()&AliESDtrack::kESDpid) postrack->GetESDpid(esdpid0);
+ Double_t esdpid1[5]={0.,0.,0.,0.,0.};
+ if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1);
+ Double_t esdpid[10];
+ for(Int_t i=0;i<5;i++) {
+ esdpid[i] = esdpid0[i];
+ esdpid[5+i] = esdpid1[i];
+ }
+ the2Prong->SetPID(2,esdpid);
return the2Prong;
}
ok3Prong=kFALSE;
- if(!secVert) return 0x0;
+ if(!secVert || !vertexp1n1 || !vertexp2n1) return 0x0;
Double_t px[3],py[3],pz[3],d0[3],d0err[3];
Double_t momentum[3];
}
// primary vertex to be used by this candidate
- AliAODVertex *primVertexAOD = OwnPrimaryVertex(threeTrackArray,event);
+ AliAODVertex *primVertexAOD = PrimaryVertex(threeTrackArray,event);
if(!primVertexAOD) return 0x0;
Double_t d0z0[2],covd0z0[3];
UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()};
the3Prong->SetProngIDs(3,id);
+ delete primVertexAOD; primVertexAOD=NULL;
// select D+->Kpipi, Ds->KKpi, Lc->pKpi
if(f3Prong) {
}
//if(fDebug) printf("ok3Prong: %d\n",(Int_t)ok3Prong);
- if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the3Prong->UnsetOwnPrimaryVtx();
-
- if(ok3Prong) {
- // get PID info from ESD
- Double_t esdpid0[5];
- postrack1->GetESDpid(esdpid0);
- Double_t esdpid1[5];
- negtrack->GetESDpid(esdpid1);
- Double_t esdpid2[5];
- postrack2->GetESDpid(esdpid2);
-
- Double_t esdpid[15];
- for(Int_t i=0;i<5;i++) {
- esdpid[i] = esdpid0[i];
- esdpid[5+i] = esdpid1[i];
- esdpid[10+i] = esdpid2[i];
- }
- the3Prong->SetPID(3,esdpid);
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the3Prong->UnsetOwnPrimaryVtx();
+ }
+
+ // get PID info from ESD
+ Double_t esdpid0[5]={0.,0.,0.,0.,0.};
+ if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0);
+ Double_t esdpid1[5]={0.,0.,0.,0.,0.};
+ if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1);
+ Double_t esdpid2[5]={0.,0.,0.,0.,0.};
+ if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2);
+
+ Double_t esdpid[15];
+ for(Int_t i=0;i<5;i++) {
+ esdpid[i] = esdpid0[i];
+ esdpid[5+i] = esdpid1[i];
+ esdpid[10+i] = esdpid2[i];
}
+ the3Prong->SetPID(3,esdpid);
return the3Prong;
}
//----------------------------------------------------------------------------
AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong(
TObjArray *fourTrackArray,AliVEvent *event,
- AliAODVertex *secVert,
- AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1,
- Double_t dcap1n1,Double_t dcap1n2,Double_t dcap2n1,
- Bool_t &ok4Prong) const
+ AliAODVertex *secVert,
+ AliAODVertex *vertexp1n1,
+ AliAODVertex *vertexp1n1p2,
+ Double_t dcap1n1,Double_t dcap1n2,
+ Double_t dcap2n1,Double_t dcap2n2,
+ Bool_t &ok4Prong) const
{
// Make 4Prong candidates and check if they pass D0toKpipipi
// reconstruction cuts
// G.E.Bruno, R.Romita
ok4Prong=kFALSE;
- if(!secVert) return 0x0;
+ if(!secVert || !vertexp1n1 || !vertexp1n1p2) return 0x0;
Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3];
- px[0]=dcap1n1*dcap1n2*dcap2n1; // TO BE CHANGED (done just to removed compilation warning about dca... not used)
-
AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0);
AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1);
AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2);
px[3] = momentum[0]; py[3] = momentum[1]; pz[3] = momentum[2];
// invariant mass cut for rho or D0 (try to improve coding here..)
- //Bool_t okMassCut=kFALSE;
- //if(!okMassCut) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE;
- //if(!okMassCut) {
- // if(fDebug) printf(" candidate didn't pass mass cut\n");
- // return 0x0;
- //}
+ Bool_t okMassCut=kFALSE;
+ if(!okMassCut && fD0to4ProngsCuts[8]==0.){ //no PID, to be implemented with PID
+ if(SelectInvMass(4,4,px,py,pz)) okMassCut=kTRUE;
+ }
+ if(!okMassCut) {
+ //if(fDebug) printf(" candidate didn't pass mass cut\n");
+ //printf(" candidate didn't pass mass cut\n");
+ return 0x0;
+ }
// primary vertex to be used by this candidate
- AliAODVertex *primVertexAOD = OwnPrimaryVertex(fourTrackArray,event);
+ AliAODVertex *primVertexAOD = PrimaryVertex(fourTrackArray,event);
if(!primVertexAOD) return 0x0;
- /*
- Double_t d0z0[2],covd0z0[3];
- postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- */
+ Double_t d0z0[2],covd0z0[3];
+ postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[0]=d0z0[0];
+ d0err[0] = TMath::Sqrt(covd0z0[0]);
+ negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[1]=d0z0[0];
+ d0err[1] = TMath::Sqrt(covd0z0[0]);
+ postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[2]=d0z0[0];
+ d0err[2] = TMath::Sqrt(covd0z0[0]);
+ negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[3]=d0z0[0];
+ d0err[3] = TMath::Sqrt(covd0z0[0]);
+
// create the object AliAODRecoDecayHF4Prong
Double_t pos[3]; primVertexAOD->GetXYZ(pos);
- Double_t dca[6]={0.,0.,0.,0.,0.,0.}; // modify it
+ Double_t dca[6]={dcap1n1,0.,dcap1n2,dcap2n1,0.,dcap2n2};
Double_t dist12=TMath::Sqrt((vertexp1n1->GetX()-pos[0])*(vertexp1n1->GetX()-pos[0])+(vertexp1n1->GetY()-pos[1])*(vertexp1n1->GetY()-pos[1])+(vertexp1n1->GetZ()-pos[2])*(vertexp1n1->GetZ()-pos[2]));
- Double_t dist23=TMath::Sqrt((vertexp2n1->GetX()-pos[0])*(vertexp2n1->GetX()-pos[0])+(vertexp2n1->GetY()-pos[1])*(vertexp2n1->GetY()-pos[1])+(vertexp2n1->GetZ()-pos[2])*(vertexp2n1->GetZ()-pos[2]));
- Double_t dist14=0.; // to be implemented
- Double_t dist34=0.; // to be implemented
+ Double_t dist3=TMath::Sqrt((vertexp1n1p2->GetX()-pos[0])*(vertexp1n1p2->GetX()-pos[0])+(vertexp1n1p2->GetY()-pos[1])*(vertexp1n1p2->GetY()-pos[1])+(vertexp1n1p2->GetZ()-pos[2])*(vertexp1n1p2->GetZ()-pos[2]));
+ Double_t dist4=TMath::Sqrt((secVert->GetX()-pos[0])*(secVert->GetX()-pos[0])+(secVert->GetY()-pos[1])*(secVert->GetY()-pos[1])+(secVert->GetZ()-pos[2])*(secVert->GetZ()-pos[2]));
Short_t charge=0;
- AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist23,dist14,dist34,charge);
+ AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist3,dist4,charge);
the4Prong->SetOwnPrimaryVtx(primVertexAOD);
UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()};
the4Prong->SetProngIDs(4,id);
+ delete primVertexAOD; primVertexAOD=NULL;
- // use the following two lines once AliAODRecoDecayHF4Prong::SelectD0 is available
- // select D0->Kpipipi
- //Int_t checkD0,checkD0bar;
- // ok4Prong=the4Prong->SelectD0(fD04pCuts,checkD0,checkD0bar);
- ok4Prong=kFALSE; //for the time being ...
+ Int_t checkD0,checkD0bar;
+ ok4Prong=the4Prong->SelectD0(fD0to4ProngsCuts,checkD0,checkD0bar);
- if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the4Prong->UnsetOwnPrimaryVtx();
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the4Prong->UnsetOwnPrimaryVtx();
+ }
+
// get PID info from ESD
- Double_t esdpid0[5];
- postrack1->GetESDpid(esdpid0);
- Double_t esdpid1[5];
- negtrack1->GetESDpid(esdpid1);
- Double_t esdpid2[5];
- postrack2->GetESDpid(esdpid2);
- Double_t esdpid3[5];
- negtrack2->GetESDpid(esdpid3);
+ Double_t esdpid0[5]={0.,0.,0.,0.,0.};
+ if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0);
+ Double_t esdpid1[5]={0.,0.,0.,0.,0.};
+ if(negtrack1->GetStatus()&AliESDtrack::kESDpid) negtrack1->GetESDpid(esdpid1);
+ Double_t esdpid2[5]={0.,0.,0.,0.,0.};
+ if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2);
+ Double_t esdpid3[5]={0.,0.,0.,0.,0.};
+ if(negtrack2->GetStatus()&AliESDtrack::kESDpid) negtrack2->GetESDpid(esdpid3);
Double_t esdpid[20];
for(Int_t i=0;i<5;i++) {
- esdpid[i] = esdpid0[i];
- esdpid[5+i] = esdpid1[i];
+ esdpid[i] = esdpid0[i];
+ esdpid[5+i] = esdpid1[i];
esdpid[10+i] = esdpid2[i];
esdpid[15+i] = esdpid3[i];
}
the4Prong->SetPID(4,esdpid);
-
+
return the4Prong;
}
//-----------------------------------------------------------------------------
-AliAODVertex* AliAnalysisVertexingHF::OwnPrimaryVertex(TObjArray *trkArray,
- AliVEvent *event) const
+AliAODVertex* AliAnalysisVertexingHF::PrimaryVertex(TObjArray *trkArray,
+ AliVEvent *event) const
{
- // Returns primary vertex specific to this candidate
+ // Returns primary vertex to be used for this candidate
AliESDVertex *vertexESD = 0;
AliAODVertex *vertexAOD = 0;
- Int_t nTrks = trkArray->GetEntriesFast();
if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
// primary vertex from the input event
} else {
// primary vertex specific to this candidate
+ Int_t nTrks = trkArray->GetEntriesFast();
AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField());
if(fRecoPrimVtxSkippingTrks) {
if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter"))
vertexer->SetOnlyFitter();
}
- Int_t skipped[10];
- AliESDtrack *t = 0;
+ Int_t skipped[1000];
+ Int_t nTrksToSkip=0,id;
+ AliExternalTrackParam *t = 0;
for(Int_t i=0; i<nTrks; i++) {
- t = (AliESDtrack*)trkArray->UncheckedAt(i);
- skipped[i] = (Int_t)t->GetID();
+ t = (AliExternalTrackParam*)trkArray->UncheckedAt(i);
+ id = (Int_t)t->GetID();
+ if(id<0) continue;
+ skipped[nTrksToSkip++] = id;
+ }
+ // TEMPORARY FIX
+ // For AOD, skip also tracks without covariance matrix
+ if(fInputAOD) {
+ Double_t covtest[21];
+ for(Int_t j=0; j<event->GetNumberOfTracks(); j++) {
+ AliVTrack *vtrack = (AliVTrack*)event->GetTrack(j);
+ if(!vtrack->GetCovarianceXYZPxPyPz(covtest)) {
+ id = (Int_t)t->GetID();
+ if(id<0) continue;
+ skipped[nTrksToSkip++] = id;
+ }
+ }
}
- vertexer->SetSkipTracks(nTrks,skipped);
+ //
+ vertexer->SetSkipTracks(nTrksToSkip,skipped);
vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(event);
} else if(fRmTrksFromPrimVtx) {
t = (AliESDtrack*)trkArray->UncheckedAt(i);
esdTrack = new AliESDtrack(*t);
rmArray.AddLast(esdTrack);
- rmId[i]=(UShort_t)esdTrack->GetID();
+ if(esdTrack->GetID()>=0) {
+ rmId[i]=(UShort_t)esdTrack->GetID();
+ } else {
+ rmId[i]=9999;
+ }
}
Float_t diamondxy[2]={event->GetDiamondX(),event->GetDiamondY()};
vertexESD = vertexer->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy);
void AliAnalysisVertexingHF::PrintStatus() const {
// Print parameters being used
- printf("Preselections:\n");
- printf(" fITSrefit = %d\n",(Int_t)fITSrefit);
- printf(" fBothSPD = %d\n",(Int_t)fBothSPD);
- printf(" fMinITSCls = %d\n",fMinITSCls);
- printf(" fMinPtCut = %f GeV/c\n",fMinPtCut);
- printf(" fMind0rphiCut = %f cm\n",fMind0rphiCut);
+ //printf("Preselections:\n");
+ // fTrackFilter->Dump();
if(fSecVtxWithKF) {
printf("Secondary vertex with Kalman filter package (AliKFParticle)\n");
} else {
printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]);
printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]);
}
+ if(fDstar) {
+ if(fFindVertexForDstar) {
+ printf(" Reconstruct a secondary vertex for the D*\n");
+ } else {
+ printf(" Assume the D* comes from the primary vertex\n");
+ }
+ printf(" |M-MD*| [GeV] < %f\n",fDstarCuts[0]);
+ printf(" |M_Kpipi-M_Kpi-(MD*-MD0)| [GeV] < %f\n",fDstarCuts[1]);
+ printf(" pTpisoft [GeV/c] > %f\n",fDstarCuts[2]);
+ printf(" pTpisoft [GeV/c] < %f\n",fDstarCuts[3]);
+ printf(" Theta(pisoft,D0plane) < %f\n",fDstarCuts[4]);
+ printf("Reconstruct D*->D0pi candidates with cuts:\n");
+ printf(" D0 from D* cuts:\n");
+ printf(" |M-MD0| [GeV] < %f\n",fD0fromDstarCuts[0]);
+ printf(" dca [cm] < %f\n",fD0fromDstarCuts[1]);
+ printf(" cosThetaStar < %f\n",fD0fromDstarCuts[2]);
+ printf(" pTK [GeV/c] > %f\n",fD0fromDstarCuts[3]);
+ printf(" pTpi [GeV/c] > %f\n",fD0fromDstarCuts[4]);
+ printf(" |d0K| [cm] < %f\n",fD0fromDstarCuts[5]);
+ printf(" |d0pi| [cm] < %f\n",fD0fromDstarCuts[6]);
+ printf(" d0d0 [cm^2] < %f\n",fD0fromDstarCuts[7]);
+ printf(" cosThetaPoint > %f\n",fD0fromDstarCuts[8]);
+ }
if(fJPSItoEle) {
printf("Reconstruct J/psi from B candidates with cuts:\n");
printf(" |M-MJPSI| [GeV] < %f\n",fBtoJPSICuts[0]);
printf(" cosThetaPoint > %f\n",fLcCuts[9]);
printf(" Sum d0^2 [cm^2] > %f\n",fLcCuts[10]);
printf(" dca cut [cm] < %f\n",fLcCuts[11]);
- printf(" Ds->KKpi cuts:\n");
}
return;
}
//-----------------------------------------------------------------------------
AliAODVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray,
- Double_t &dispersion) const
+ Double_t &dispersion,Bool_t useTRefArray) const
{
// Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle
AliKFParticle::SetField(fBzkG);
- AliKFParticle vertexKF;
+ AliKFVertex vertexKF;
Int_t nTrks = trkArray->GetEntriesFast();
for(Int_t i=0; i<nTrks; i++) {
AliKFParticle daughterKF(*esdTrack,211);
vertexKF.AddDaughter(daughterKF);
}
- vertexESD = new AliESDVertex();
- vertexKF.CopyToESDVertex(*vertexESD);
+ vertexESD = new AliESDVertex(vertexKF.Parameters(),
+ vertexKF.CovarianceMatrix(),
+ vertexKF.GetChi2(),
+ vertexKF.GetNContributors());
}
dispersion = vertexESD->GetDispersion();
delete vertexESD; vertexESD=NULL;
- vertexAOD = new AliAODVertex(pos,cov,chi2perNDF);
- vertexAOD->SetType(AliAODVertex::kUndef); // to be changed
+ Int_t nprongs= (useTRefArray ? 0 : trkArray->GetEntriesFast());
+ vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs);
return vertexAOD;
}
Double_t *dummyd0 = new Double_t[nprongs];
for(Int_t ip=0;ip<nprongs;ip++) dummyd0[ip]=0.;
AliAODRecoDecay *rd = new AliAODRecoDecay(0x0,nprongs,dummycharge,px,py,pz,dummyd0);
- delete [] dummyd0;
+ delete [] dummyd0; dummyd0=NULL;
- UInt_t pdg2[2],pdg3[3];
+ UInt_t pdg2[2],pdg3[3],pdg4[4];
Double_t mPDG,minv;
Bool_t retval=kFALSE;
minv = rd->InvMass(nprongs,pdg3);
if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE;
break;
+ case 3: // D*->D0pi
+ pdg2[0]=421; pdg2[1]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(413)->Mass();
+ minv = rd->InvMass(nprongs,pdg2);
+ if(TMath::Abs(minv-mPDG)<fDstarCuts[0]) retval=kTRUE;
+ break;
+ case 4: // D0->K3pi without PID
+ pdg4[0]=321; pdg4[1]=211; pdg4[2]=211; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = rd->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0])
+ retval=kTRUE;
+ pdg4[0]=211; pdg4[1]=321; pdg4[2]=211; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = rd->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ pdg4[0]=211; pdg4[1]=211; pdg4[2]=321; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = rd->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ pdg4[0]=211; pdg4[1]=211; pdg4[2]=211; pdg4[3]=321;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = rd->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ break;
default:
+ printf("SelectInvMass(): wrong decay selection\n");
break;
}
- delete rd;
+ delete rd; rd=NULL;
return retval;
}
//-----------------------------------------------------------------------------
void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(AliVEvent *event,
- TObjArray &trksP,Int_t &nTrksP,
- TObjArray &trksN,Int_t &nTrksN)
+ TObjArray &seleTrksArray,Int_t &nSeleTrks,
+ UChar_t *seleFlags,Int_t *evtNumber)
{
- // Fill two TObjArrays with positive and negative tracks and
- // apply single-track preselection.
+ // Apply single-track preselection.
+ // Fill a TObjArray with selected tracks (for displaced vertices or
+ // soft pion from D*). Selection flag stored in seleFlags.
// Create the AliESDVertex object (convert from AliAODVertex if necessary)
// In case of AOD input, also fill fAODMap for track index<->ID
const AliVVertex *vprimary = event->GetPrimaryVertex();
if(fV1) { delete fV1; fV1=NULL; }
- if(fAODMap) { delete [] fAODMap; fAODMap=NULL; }
+ if(fAODMap) { delete fAODMap; fAODMap=NULL; }
Int_t nindices=0;
UShort_t *indices = 0;
vprimary->GetCovarianceMatrix(cov);
fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName());
indices = new UShort_t[event->GetNumberOfTracks()];
- fAODMap = new Int_t[100000];
+ fAODMapSize = 100000;
+ fAODMap = new Int_t[fAODMapSize];
}
- for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++) {
-
- }
-
-
- nTrksP=0,nTrksN=0;
-
Int_t entries = (Int_t)event->GetNumberOfTracks();
+ Bool_t okDisplaced=kFALSE,okSoftPi=kFALSE;
+ nSeleTrks=0;
// transfer ITS tracks from event to arrays
for(Int_t i=0; i<entries; i++) {
+ AliVTrack *track;
+ track = (AliVTrack*)event->GetTrack(i);
- AliVTrack *track = (AliVTrack*)event->GetTrack(i);
+ // TEMPORARY: check that the cov matrix is there
+ Double_t covtest[21];
+ if(!track->GetCovarianceXYZPxPyPz(covtest)) continue;
+ //
if(fInputAOD) {
AliAODTrack *aodt = (AliAODTrack*)track;
fAODMap[(Int_t)aodt->GetID()] = i;
}
- // require refit in ITS
- UInt_t status = track->GetStatus();
- if(fITSrefit && !(status&AliESDtrack::kITSrefit)) {
- AliDebug(2,Form("track %d is not kITSrefit",i));
- continue;
- }
-
- Int_t ncls0=0;
- for(Int_t l=0;l<6;l++) if(TESTBIT(track->GetITSClusterMap(),l)) ncls0++;
-
- // require minimum # of ITS points
- if(ncls0<fMinITSCls) {
- AliDebug(2,Form("track %d has %d ITS cls",i,ncls0));
- continue;
- }
- // require points on the 2 pixel layers
- if(fBothSPD)
- if(!TESTBIT(track->GetITSClusterMap(),0) ||
- !TESTBIT(track->GetITSClusterMap(),1)) continue;
-
AliESDtrack *esdt = 0;
+
if(!fInputAOD) {
esdt = (AliESDtrack*)track;
} else {
}
// single track selection
- if(!SingleTrkCuts(*esdt)) {
+ okDisplaced=kFALSE; okSoftPi=kFALSE;
+ if(fMixEvent){
+ evtNumber[i]=((AliMixedEvent*)event)->EventIndex(i);
+ const AliVVertex* eventVtx=((AliMixedEvent*)event)->GetEventVertex(i);
+ Double_t vtxPos[3],primPos[3],primCov[6],trasl[3];
+ eventVtx->GetXYZ(vtxPos);
+ vprimary->GetXYZ(primPos);
+ eventVtx->GetCovarianceMatrix(primCov);
+ for(Int_t ind=0;ind<3;ind++){
+ trasl[ind]=vtxPos[ind]-primPos[ind];
+ }
+
+ Bool_t isTransl=esdt->Translate(trasl,primCov);
+ if(!isTransl) {
+ delete esdt;
+ esdt = NULL;
+ continue;
+ }
+ }
+
+ if(SingleTrkCuts(esdt,okDisplaced,okSoftPi)) {
+ seleTrksArray.AddLast(esdt);
+ seleFlags[nSeleTrks]=0;
+ if(okDisplaced) SETBIT(seleFlags[nSeleTrks],kBitDispl);
+ if(okSoftPi) SETBIT(seleFlags[nSeleTrks],kBitSoftPi);
+ nSeleTrks++;
+ } else {
if(fInputAOD) delete esdt;
esdt = NULL;
continue;
- }
-
- if(track->Charge()<0) { // negative track
- trksN.AddLast(esdt);
- nTrksN++;
- } else { // positive track
- trksP.AddLast(esdt);
- nTrksP++;
- }
+ }
} // end loop on tracks
return;
}
//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0fromDstarCuts(Double_t cut0,Double_t cut1,
+ Double_t cut2,Double_t cut3,Double_t cut4,
+ Double_t cut5,Double_t cut6,
+ Double_t cut7,Double_t cut8)
+{
+ // Set the cuts for D0 from D* selection
+ fD0fromDstarCuts[0] = cut0;
+ fD0fromDstarCuts[1] = cut1;
+ fD0fromDstarCuts[2] = cut2;
+ fD0fromDstarCuts[3] = cut3;
+ fD0fromDstarCuts[4] = cut4;
+ fD0fromDstarCuts[5] = cut5;
+ fD0fromDstarCuts[6] = cut6;
+ fD0fromDstarCuts[7] = cut7;
+ fD0fromDstarCuts[8] = cut8;
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0fromDstarCuts(const Double_t cuts[9])
+{
+ // Set the cuts for D0 from D* selection
+
+ for(Int_t i=0; i<9; i++) fD0fromDstarCuts[i] = cuts[i];
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetDstarCuts(Double_t cut0,Double_t cut1,
+ Double_t cut2,Double_t cut3,
+ Double_t cut4)
+{
+ // Set the cuts for D* selection
+ fDstarCuts[0] = cut0;
+ fDstarCuts[1] = cut1;
+ fDstarCuts[2] = cut2;
+ fDstarCuts[3] = cut3;
+ fDstarCuts[4] = cut4;
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetDstarCuts(const Double_t cuts[5])
+{
+ // Set the cuts for D* selection
+
+ for(Int_t i=0; i<5; i++) fDstarCuts[i] = cuts[i];
+
+ return;
+}
+//-----------------------------------------------------------------------------
void AliAnalysisVertexingHF::SetBtoJPSICuts(Double_t cut0,Double_t cut1,
Double_t cut2,Double_t cut3,Double_t cut4,
Double_t cut5,Double_t cut6,
return;
}
//-----------------------------------------------------------------------------
-Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack& trk) const
+void AliAnalysisVertexingHF::SetD0to4ProngsCuts(Double_t cut0,Double_t cut1,
+ Double_t cut2,Double_t cut3,Double_t cut4,
+ Double_t cut5,Double_t cut6,
+ Double_t cut7,Double_t cut8)
+{
+ // Set the cuts for D0->Kpipipi selection
+
+ fD0to4ProngsCuts[0] = cut0;
+ fD0to4ProngsCuts[1] = cut1;
+ fD0to4ProngsCuts[2] = cut2;
+ fD0to4ProngsCuts[3] = cut3;
+ fD0to4ProngsCuts[4] = cut4;
+ fD0to4ProngsCuts[5] = cut5;
+ fD0to4ProngsCuts[6] = cut6;
+ fD0to4ProngsCuts[7] = cut7;
+ fD0to4ProngsCuts[8] = cut8;
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0to4ProngsCuts(const Double_t cuts[9])
+{
+ // Set the cuts for D0->Kpipipi selection
+
+ for(Int_t i=0; i<9; i++) fD0to4ProngsCuts[i] = cuts[i];
+
+ return;
+}
+//-----------------------------------------------------------------------------
+Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk,
+ Bool_t &okDisplaced,Bool_t &okSoftPi) const
{
// Check if track passes some kinematical cuts
- if(trk.Pt() < fMinPtCut) {
- //printf("pt %f\n",1./trk.GetParameter()[4]);
- return kFALSE;
+ // this is needed to store the impact parameters
+ trk->RelateToVertex(fV1,fBzkG,kVeryBig);
+
+ UInt_t selectInfo;
+ //
+ // Track selection, displaced tracks
+ selectInfo = 0;
+ if(fTrackFilter) {
+ selectInfo = fTrackFilter->IsSelected(trk);
}
- Double_t d0z0[2],covd0z0[3];
- trk.PropagateToDCA(fV1,fBzkG,kVeryBig,d0z0,covd0z0);
- if(TMath::Abs(d0z0[0]) < fMind0rphiCut) {
- //printf("d0rphi %f\n",TMath::Abs(d0z0[0]));
- return kFALSE;
+ if(selectInfo) okDisplaced=kTRUE;
+ // Track selection, soft pions
+ selectInfo = 0;
+ if(fDstar && fTrackFilterSoftPi) {
+ selectInfo = fTrackFilterSoftPi->IsSelected(trk);
}
+ if(selectInfo) okSoftPi=kTRUE;
+
+ if(okDisplaced || okSoftPi) return kTRUE;
- return kTRUE;
+ return kFALSE;
}
//-----------------------------------------------------------------------------
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff