//----------------------------------------------------------------------------
// Implementation of the heavy-flavour vertexing analysis class
-// Candidates are store as objects deriving from AliAODRecoDecay.
-// An example of usage can be found in the macro AliVertexingHFTest.C.
-// Can be used as a task of AliAnalysisManager by means of the interface
-// classes AliAnalysisTaskSEVertexingHF or AliAnalysisTaskVertexingHF.
+// Candidates are stored in the AOD as objects deriving from AliAODRecoDecay.
+// To be used as a task of AliAnalysisManager by means of the interface
+// class AliAnalysisTaskSEVertexingHF.
+// An example of usage in the macro AliAnalysisTaskSEVertexingHFTest.C.
//
-// Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita
+// Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita, X.M.Zhang
// Contact: andrea.dainese@lnl.infn.it
//----------------------------------------------------------------------------
-#include <TTree.h>
#include <TFile.h>
#include <TDatabasePDG.h>
#include <TString.h>
-#include "AliESDEvent.h"
+#include "AliLog.h"
+#include "AliVEvent.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"
ClassImp(AliAnalysisVertexingHF)
//----------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF():
+fInputAOD(kFALSE),
+fAODMap(0),
fBzkG(0.),
fSecVtxWithKF(kFALSE),
-fUseTRef(kFALSE),
fRecoPrimVtxSkippingTrks(kFALSE),
fRmTrksFromPrimVtx(kFALSE),
fV1(0x0),
-fDebug(0),
fD0toKpi(kTRUE),
fJPSItoEle(kTRUE),
f3Prong(kTRUE),
f4Prong(kTRUE),
-fITSrefit(kFALSE),
-fBothSPD(kTRUE),
-fMinITSCls(5),
-fMinPtCut(0.),
-fMind0rphiCut(0.)
+fDstar(kTRUE),
+fTrackFilter(0x0),
+fTrackFilterSoftPi(0x0)
{
// Default constructor
SetDplusCuts();
SetDsCuts();
SetLcCuts();
+ SetDstarCuts();
+
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) :
TNamed(source),
+fInputAOD(source.fInputAOD),
+fAODMap(source.fAODMap),
fBzkG(source.fBzkG),
fSecVtxWithKF(source.fSecVtxWithKF),
-fUseTRef(source.fUseTRef),
fRecoPrimVtxSkippingTrks(source.fRecoPrimVtxSkippingTrks),
fRmTrksFromPrimVtx(source.fRmTrksFromPrimVtx),
fV1(source.fV1),
-fDebug(source.fDebug),
fD0toKpi(source.fD0toKpi),
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),
+fTrackFilter(source.fTrackFilter),
+fTrackFilterSoftPi(source.fTrackFilterSoftPi)
{
//
// 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];
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source)
// assignment operator
//
if(&source == this) return *this;
+ fInputAOD = source.fInputAOD;
fBzkG = source.fBzkG;
fSecVtxWithKF = source.fSecVtxWithKF;
- fUseTRef = source.fUseTRef;
fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks;
fRmTrksFromPrimVtx = source.fRmTrksFromPrimVtx;
fV1 = source.fV1;
- fDebug = source.fDebug;
fD0toKpi = source.fD0toKpi;
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;
+ fTrackFilter = source.fTrackFilter;
+ fTrackFilterSoftPi = source.fTrackFilterSoftPi;
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];
return *this;
}
AliAnalysisVertexingHF::~AliAnalysisVertexingHF() {
// Destructor
if(fV1) { delete fV1; fV1=0; }
+ if(fTrackFilter) { delete fTrackFilter; fTrackFilter=0; }
+ if(fTrackFilterSoftPi) { delete fTrackFilterSoftPi; fTrackFilterSoftPi=0; }
}
//----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::FindCandidatesESDtoAOD(AliESDEvent *esd,
- TClonesArray *aodVerticesHFTClArr,
- TClonesArray *aodD0toKpiTClArr,
- TClonesArray *aodJPSItoEleTClArr,
- TClonesArray *aodCharm3ProngTClArr,
- TClonesArray *aodCharm4ProngTClArr)
+void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event,
+ TClonesArray *aodVerticesHFTClArr,
+ TClonesArray *aodD0toKpiTClArr,
+ TClonesArray *aodJPSItoEleTClArr,
+ TClonesArray *aodCharm3ProngTClArr,
+ TClonesArray *aodCharm4ProngTClArr,
+ TClonesArray *aodDstarTClArr)
{
// Find heavy-flavour vertex candidates
- // Input: ESD
+ // Input: ESD or AOD
// Output: AOD (additional branches added)
+
+ TString evtype = event->IsA()->GetName();
+ fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE);
+
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;
+ }
// 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;
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;
+ if(fDstar) {
+ aodDstarTClArr->Delete();
+ iDstar = aodDstarTClArr->GetEntriesFast();
+ }
+ TClonesArray &aodD0toKpiRef = *aodD0toKpiTClArr;
+ TClonesArray &aodJPSItoEleRef = *aodJPSItoEleTClArr;
+ TClonesArray &aodCharm3ProngRef = *aodCharm3ProngTClArr;
+ TClonesArray &aodCharm4ProngRef = *aodCharm4ProngTClArr;
+ TClonesArray &aodDstarRef = *aodDstarTClArr;
- AliAODRecoDecayHF2Prong *io2Prong = 0;
- AliAODRecoDecayHF3Prong *io3Prong = 0;
- AliAODRecoDecayHF4Prong *io4Prong = 0;
+ AliAODRecoDecayHF2Prong *io2Prong = 0;
+ AliAODRecoDecayHF3Prong *io3Prong = 0;
+ AliAODRecoDecayHF4Prong *io4Prong = 0;
+ AliAODRecoCascadeHF *ioCascade = 0;
- Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,trkEntries;
- Int_t nTrksP=0,nTrksN=0;
- Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2;
+ Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,iTrkSoftPi,trkEntries;
+ Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2,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(fDebug) printf(" dca cut set to %f cm\n",dcaMax);
+ AliDebug(2,Form(" dca cut set to %f cm",dcaMax));
- //------- SINGLE EVENT ANALYSIS ---------------------------------
- //
- Int_t ev = (Int_t)esd->GetEventNumberInFile();
- printf("--- Finding candidates in event %d\n",ev);
-
- // get Bz from ESD
- fBzkG = (Double_t)esd->GetMagneticField();
+ // get Bz
+ fBzkG = (Double_t)event->GetMagneticField();
+
+ trkEntries = (Int_t)event->GetNumberOfTracks();
+ AliDebug(1,Form(" Number of tracks: %d",trkEntries));
- trkEntries = (Int_t)esd->GetNumberOfTracks();
- printf(" Number of tracks: %d\n",trkEntries);
+ if(trkEntries<2) {
+ AliDebug(1,Form(" Not enough tracks: %d",trkEntries));
+ return;
+ }
- if(trkEntries<2 || !esd->GetPrimaryVertex()) {
+ const AliVVertex *primary = event->GetPrimaryVertex();
+ if(!primary) {
+ AliDebug(1," No primary vertex from tracks");
+ return;
+ }
+ TString primTitle = primary->GetTitle();
+ if(!primTitle.Contains("VertexerTracks")) {
+ AliDebug(1," No primary vertex from tracks");
return;
}
- // retrieve primary vertex from the AliESDEvent
- AliESDVertex copy(*(esd->GetPrimaryVertex()));
- SetPrimaryVertex(©);
+ // call function that applies sigle-track selection,
+ // for displaced tracks and soft pions (both charges) for D*,
+ // and retrieves primary vertex
+ TObjArray seleTrksArray(trkEntries);
+ UChar_t *seleFlags = new UChar_t[trkEntries]; // bit 0: displaced, bit 1: softpi
+ Int_t nSeleTrks=0;
+ SelectTracksAndCopyVertex(event,seleTrksArray,nSeleTrks,seleFlags);
- // call function which applies sigle-track selection and
- // separates positives and negatives
- TObjArray trksP(trkEntries/2);
- TObjArray trksN(trkEntries/2);
- SelectTracks(esd,trksP,nTrksP,trksN,nTrksN);
+ AliDebug(1,Form(" Selected tracks: %d",nSeleTrks));
- printf(" Pos. tracks: %d Neg. tracks: %d\n",nTrksP,nTrksN);
-
- 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;
+
+ AliAODRecoDecayHF *rd = 0;
+ AliAODRecoCascadeHF *rc = 0;
+
// LOOP ON POSITIVE TRACKS
- for(iTrkP1=0; iTrkP1<nTrksP; iTrkP1++) {
- if(fDebug && iTrkP1%1==0) printf(" Processing positive track number %d of %d\n",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(postrack1->Charge()<0 || !TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue;
// LOOP ON NEGATIVE TRACKS
- for(iTrkN1=0; iTrkN1<nTrksN; iTrkN1++) {
- if(fDebug && iTrkN1%1==0) printf(" Processing negative track number %d of %d\n",iTrkN1,nTrksN);
+ for(iTrkN1=0; iTrkN1<nSeleTrks; iTrkN1++) {
+ if(iTrkN1==iTrkP1) continue;
+ if(iTrkN1%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks));
// get track from tracks array
- negtrack1 = (AliESDtrack*)trksN.UncheckedAt(iTrkN1);
+ negtrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN1);
+ if(negtrack1->Charge()>0 || !TESTBIT(seleFlags[iTrkN1],kBitDispl)) 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);
- AliESDVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1);
+ AliAODVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1,dispersion);
if(!vertexp1n1) {
twoTrackArray1->Clear();
negtrack1=0;
continue;
}
- if(fD0toKpi || fJPSItoEle) {
- io2Prong = Make2Prong(twoTrackArray1,esd,vertexp1n1,dcap1n1,okD0,okJPSI);
- if(okD0 || okJPSI) {
- if(fUseTRef) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])
- AliAODVertex(*(io2Prong->GetOwnSecondaryVtx()));
- v->SetType(AliAODVertex::kUndef); // to be changed
- Double_t px[2]={io2Prong->PxProng(0),io2Prong->PxProng(1)};
- Double_t py[2]={io2Prong->PyProng(0),io2Prong->PyProng(1)};
- Double_t pz[2]={io2Prong->PzProng(0),io2Prong->PzProng(1)};
- Double_t d0[2]={io2Prong->Getd0Prong(0),io2Prong->Getd0Prong(1)};
- Double_t d0err[2]={io2Prong->Getd0errProng(0),io2Prong->Getd0errProng(1)};
- UShort_t id[2]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID()};
- if(okD0) {
- AliAODRecoDecayHF2Prong *rd=new(aodD0toKpiRef[iD0toKpi++])
- AliAODRecoDecayHF2Prong(v,px,py,pz,d0,d0err,dcap1n1);
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) rd->SetOwnPrimaryVtx(io2Prong->GetOwnPrimaryVtx());
- rd->SetProngIDs(2,id);
- v->SetParent(rd);
+ if(fD0toKpi || fJPSItoEle || fDstar) {
+ io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI,okD0fromDstar);
+ if((fD0toKpi && okD0) || (fJPSItoEle && okJPSI)) {
+ // add the vertex and the decay to the AOD
+ AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
+ if(fInputAOD) AddDaughterRefs(v2Prong,event,twoTrackArray1);
+ if(okD0) {
+ rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ }
+ if(okJPSI) {
+ rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ...
+ }
+ }
+ if(fDstar && okD0fromDstar) {
+ if(fInputAOD) { // write references in io2Prong
+ AddDaughterRefs(vertexp1n1,event,twoTrackArray1);
+ io2Prong->SetSecondaryVtx(vertexp1n1);
+ }
+ // 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(iTrkSoftPi%1==0) AliDebug(1,Form(" 1st loop on pi_s: track number %d of %d",iTrkSoftPi,nSeleTrks));
+ // get track from tracks array
+ trackPi = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkSoftPi);
+
+ trackPi->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ trackD0->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ // DCA between the two tracks
+ dcaCasc = trackPi->GetDCA(trackD0,fBzkG,xdummy,ydummy);
+ // Vertexing
+ twoTrackArrayCasc->AddAt(trackPi,0);
+ twoTrackArrayCasc->AddAt(trackD0,1);
+ AliAODVertex *vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE);
+ if(!vertexCasc) {
+ twoTrackArrayCasc->Clear();
+ trackPi=0;
+ continue;
}
- if(okJPSI) {
- AliAODRecoDecayHF2Prong *rd=new(aodJPSItoEleRef[iJPSItoEle++])
- AliAODRecoDecayHF2Prong(v,px,py,pz,d0,d0err,dcap1n1);
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) rd->SetOwnPrimaryVtx(io2Prong->GetOwnPrimaryVtx());
- rd->SetProngIDs(2,id);
- if(!okD0) v->SetParent(rd); // do something better here...
+ ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,io2Prong,dcaCasc,okDstar);
+ if(okDstar) {
+ if(!okD0) {
+ // add the D0 to the AOD (if not already done)
+ 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);
+ 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);
}
- //printf("DCA: %f\n",rd->GetDCA());
- } else {
- if(okD0) new(aodD0toKpiRef[iD0toKpi++]) AliAODRecoDecayHF2Prong(*io2Prong);
- if(okJPSI) new(aodJPSItoEleRef[iJPSItoEle++]) AliAODRecoDecayHF2Prong(*io2Prong);
- }
+ twoTrackArrayCasc->Clear();
+ trackPi=0;
+ ioCascade=NULL;
+ delete vertexCasc;
+ } // end loop on soft pi tracks
+ if(trackD0) {delete trackD0; trackD0=NULL;}
}
- //delete io2Prong;
io2Prong=NULL;
- }
-
+ }
twoTrackArray1->Clear();
if(!f3Prong && !f4Prong) {
negtrack1=0;
// 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 || !TESTBIT(seleFlags[iTrkP2],kBitDispl)) 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);
// Vertexing
twoTrackArray2->AddAt(postrack2,0);
twoTrackArray2->AddAt(negtrack1,1);
- AliESDVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2);
+ AliAODVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2,dispersion);
if(!vertexp2n1) {
twoTrackArray2->Clear();
postrack2=0;
threeTrackArray->AddAt(postrack1,0);
threeTrackArray->AddAt(negtrack1,1);
threeTrackArray->AddAt(postrack2,2);
- io3Prong = Make3Prong(threeTrackArray,esd,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong);
+ AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion);
+ io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong);
if(ok3Prong) {
- if(fUseTRef) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])
- AliAODVertex(*(io3Prong->GetOwnSecondaryVtx()));
- v->SetType(AliAODVertex::kUndef);
- Double_t px[3]={io3Prong->PxProng(0),io3Prong->PxProng(1),io3Prong->PxProng(2)};
- Double_t py[3]={io3Prong->PyProng(0),io3Prong->PyProng(1),io3Prong->PyProng(2)};
- Double_t pz[3]={io3Prong->PzProng(0),io3Prong->PzProng(1),io3Prong->PzProng(2)};
- Double_t d0[3]={io3Prong->Getd0Prong(0),io3Prong->Getd0Prong(1),io3Prong->Getd0Prong(2)};
- Double_t d0err[3]={io3Prong->Getd0errProng(0),io3Prong->Getd0errProng(1),io3Prong->Getd0errProng(2)};
- Double_t dcas[3]={io3Prong->GetDCA(0),io3Prong->GetDCA(1),io3Prong->GetDCA(2)};
- UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID()};
- AliAODRecoDecayHF3Prong *rd=new(aodCharm3ProngRef[i3Prong++])
- AliAODRecoDecayHF3Prong(v,px,py,pz,d0,d0err,dcas,io3Prong->GetSigmaVert(),io3Prong->GetDist12toPrim(),io3Prong->GetDist23toPrim(),io3Prong->GetCharge());
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) rd->SetOwnPrimaryVtx(io3Prong->GetOwnPrimaryVtx());
- rd->SetProngIDs(3,id);
- v->SetParent(rd);
- } else {
- new(aodD0toKpiRef[i3Prong++]) AliAODRecoDecayHF3Prong(*io3Prong);
- }
+ AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
+ if(fInputAOD) AddDaughterRefs(v3Prong,event,threeTrackArray);
+ rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
}
- if(io3Prong) { /*delete io3Prong;*/ io3Prong=NULL; }
+ if(io3Prong) io3Prong=NULL;
}
if(f4Prong) {
// 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 || !TESTBIT(seleFlags[iTrkN2],kBitDispl)) 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; }
// Vertexing
fourTrackArray->AddAt(negtrack1,1);
fourTrackArray->AddAt(postrack2,2);
fourTrackArray->AddAt(negtrack2,3);
- io4Prong = Make4Prong(fourTrackArray,esd,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong);
+ AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion);
+ io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong);
if(ok4Prong) {
- if(fUseTRef) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])
- AliAODVertex(*(io4Prong->GetOwnSecondaryVtx()));
- v->SetType(AliAODVertex::kUndef);
- Double_t px[4]={io4Prong->PxProng(0),io4Prong->PxProng(1),
- io4Prong->PxProng(2),io4Prong->PxProng(3)};
- Double_t py[4]={io4Prong->PyProng(0),io4Prong->PyProng(1),
- io4Prong->PyProng(2),io4Prong->PyProng(3)};
- Double_t pz[4]={io4Prong->PzProng(0),io4Prong->PzProng(1),
- io4Prong->PzProng(2),io4Prong->PzProng(3)};
- Double_t d0[4]={io4Prong->Getd0Prong(0),io4Prong->Getd0Prong(1),
- io4Prong->Getd0Prong(2),io4Prong->Getd0Prong(3)};
- Double_t d0err[4]={io4Prong->Getd0errProng(0),io4Prong->Getd0errProng(1),
- io4Prong->Getd0errProng(2),io4Prong->Getd0errProng(3)};
- Double_t dcas[6]; io4Prong->GetDCAs(dcas);
- UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()};
- AliAODRecoDecayHF4Prong *rd=new(aodCharm4ProngRef[i4Prong++])
- AliAODRecoDecayHF4Prong(v,px,py,pz,d0,d0err,dcas,io4Prong->GetDist12toPrim(),io4Prong->GetDist23toPrim(),io4Prong->GetDist14toPrim(),io4Prong->GetDist34toPrim(),io4Prong->GetCharge());
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) rd->SetOwnPrimaryVtx(io4Prong->GetOwnPrimaryVtx());
- rd->SetProngIDs(4,id);
- v->SetParent(rd);
- } else {
- new(aodD0toKpiRef[i4Prong++]) AliAODRecoDecayHF4Prong(*io4Prong);
- }
+ 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(io4Prong) { /*delete io4Prong;*/ io4Prong=NULL; }
+ if(io4Prong) io4Prong=NULL;
fourTrackArray->Clear();
negtrack2 = 0;
} // end loop on negative tracks
twoTrackArray2->Clear();
// 2nd LOOP ON NEGATIVE TRACKS
- 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(" 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 || !TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue;
+ // 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);
// Vertexing
twoTrackArray2->AddAt(postrack1,0);
twoTrackArray2->AddAt(negtrack2,1);
- AliESDVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2);
+
+ AliAODVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2,dispersion);
if(!vertexp1n2) {
twoTrackArray2->Clear();
negtrack2=0;
threeTrackArray->AddAt(negtrack1,0);
threeTrackArray->AddAt(postrack1,1);
threeTrackArray->AddAt(negtrack2,2);
- io3Prong = Make3Prong(threeTrackArray,esd,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong);
+ AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion);
+ io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong);
if(ok3Prong) {
- if(fUseTRef) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])
- AliAODVertex(*(io3Prong->GetOwnSecondaryVtx()));
- v->SetType(AliAODVertex::kUndef);
- Double_t px[3]={io3Prong->PxProng(0),io3Prong->PxProng(1),io3Prong->PxProng(2)};
- Double_t py[3]={io3Prong->PyProng(0),io3Prong->PyProng(1),io3Prong->PyProng(2)};
- Double_t pz[3]={io3Prong->PzProng(0),io3Prong->PzProng(1),io3Prong->PzProng(2)};
- Double_t d0[3]={io3Prong->Getd0Prong(0),io3Prong->Getd0Prong(1),io3Prong->Getd0Prong(2)};
- Double_t d0err[3]={io3Prong->Getd0errProng(0),io3Prong->Getd0errProng(1),io3Prong->Getd0errProng(2)};
- Double_t dcas[3]={io3Prong->GetDCA(0),io3Prong->GetDCA(1),io3Prong->GetDCA(2)};
- UShort_t id[3]={(UShort_t)negtrack1->GetID(),(UShort_t)postrack1->GetID(),(UShort_t)negtrack2->GetID()};
- AliAODRecoDecayHF3Prong *rd=new(aodCharm3ProngRef[i3Prong++])
- AliAODRecoDecayHF3Prong(v,px,py,pz,d0,d0err,dcas,io3Prong->GetSigmaVert(),io3Prong->GetDist12toPrim(),io3Prong->GetDist23toPrim(),io3Prong->GetCharge());
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) rd->SetOwnPrimaryVtx(io3Prong->GetOwnPrimaryVtx());
- rd->SetProngIDs(3,id);
- v->SetParent(rd);
- } else {
- new(aodD0toKpiRef[i3Prong++]) AliAODRecoDecayHF3Prong(*io3Prong);
- }
+ AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
+ if(fInputAOD) AddDaughterRefs(v3Prong,event,threeTrackArray);
+ rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
}
- if(io3Prong) { /*delete io3Prong;*/ io3Prong=NULL; }
+ if(io3Prong) io3Prong=NULL;
}
negtrack2 = 0;
delete vertexp1n2;
} // end 1st loop on positive tracks
+ AliDebug(1,Form(" Total HF vertices in event = %d;",
+ (Int_t)aodVerticesHFTClArr->GetEntriesFast()));
if(fD0toKpi) {
- printf(" D0->Kpi in event %d = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)aodD0toKpiTClArr->GetEntriesFast());
+ AliDebug(1,Form(" D0->Kpi in event = %d;",
+ (Int_t)aodD0toKpiTClArr->GetEntriesFast()));
}
if(fJPSItoEle) {
- printf(" JPSI->ee in event %d = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)aodJPSItoEleTClArr->GetEntriesFast());
+ AliDebug(1,Form(" JPSI->ee in event = %d;",
+ (Int_t)aodJPSItoEleTClArr->GetEntriesFast()));
}
if(f3Prong) {
- printf(" Charm->3Prong in event %d = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)aodCharm3ProngTClArr->GetEntriesFast());
+ AliDebug(1,Form(" Charm->3Prong in event = %d;",
+ (Int_t)aodCharm3ProngTClArr->GetEntriesFast()));
}
if(f4Prong) {
- printf(" Charm->4Prong in event %d = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)aodCharm4ProngTClArr->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()));
}
- //printf("delete twoTr 1\n");
- twoTrackArray1->Delete(); delete twoTrackArray1;
- //printf("delete twoTr 2\n");
- twoTrackArray2->Delete(); delete twoTrackArray2;
- //printf("delete threeTr 1\n");
+ twoTrackArray1->Delete(); delete twoTrackArray1;
+ twoTrackArray2->Delete(); delete twoTrackArray2;
+ twoTrackArrayCasc->Delete(); delete twoTrackArrayCasc;
threeTrackArray->Clear();
threeTrackArray->Delete(); delete threeTrackArray;
- //printf("delete fourTr 1\n");
- fourTrackArray->Delete(); delete fourTrackArray;
+ fourTrackArray->Delete(); delete fourTrackArray;
+ delete [] seleFlags; seleFlags=NULL;
- //------- END SINGLE EVENT ANALYSIS --------------------------------
+ if(fInputAOD) {
+ seleTrksArray.Delete();
+ }
return;
}
//----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::FindCandidates(AliESDEvent *esd,TTree *treeout[])
+void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v,AliVEvent *event,
+ TObjArray *trkArray) const
{
- // Find heavy-flavour vertex candidates
- //
- // DEPRECATED: use FindCandidatesESDtoAOD!
-
- fUseTRef=kFALSE; // cannot use TRefs outside AOD
-
- AliAODRecoDecayHF2Prong *io2Prong = new AliAODRecoDecayHF2Prong();
- AliAODRecoDecayHF3Prong *io3Prong = new AliAODRecoDecayHF3Prong();
- AliAODRecoDecayHF4Prong *io4Prong = new AliAODRecoDecayHF4Prong();
- Int_t itree=0;
- Int_t itreeD0toKpi=-1,itreeJPSItoEle=-1,itree3Prong=-1,itree4Prong=-1;
- Int_t initEntriesD0toKpi=0,initEntriesJPSItoEle=0,initEntries3Prong=0,initEntries4Prong=0;
- if(fD0toKpi) {
- itreeD0toKpi=itree;
- treeout[itree]->SetBranchAddress("D0toKpi",&io2Prong);
- itree++;
- initEntriesD0toKpi = treeout[itreeD0toKpi]->GetEntries();
- }
- if(fJPSItoEle) {
- itreeJPSItoEle=itree;
- treeout[itree]->SetBranchAddress("JPSItoEle",&io2Prong);
- itree++;
- initEntriesJPSItoEle = treeout[itreeJPSItoEle]->GetEntries();
- }
- if(f3Prong) {
- itree3Prong=itree;
- treeout[itree]->SetBranchAddress("Charmto3Prong",&io3Prong);
- itree++;
- initEntries3Prong = treeout[itree3Prong]->GetEntries();
- }
- if(f4Prong) {
- itree4Prong=itree;
- treeout[itree]->SetBranchAddress("D0to4Prong",&io4Prong);
- itree++;
- initEntries4Prong = treeout[itree4Prong]->GetEntries();
- }
- delete io2Prong; io2Prong = NULL;
- delete io3Prong; io3Prong = NULL;
- delete io4Prong; io4Prong = NULL;
-
- Int_t iTrkP1,iTrkP2,iTrkN1,iTrkN2,trkEntries;
- Int_t nTrksP=0,nTrksN=0;
- Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2;
- Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE;
- AliESDtrack *postrack1 = 0;
- AliESDtrack *postrack2 = 0;
- AliESDtrack *negtrack1 = 0;
- AliESDtrack *negtrack2 = 0;
- Double_t dcaMax = fD0toKpiCuts[1];
- if(dcaMax<fBtoJPSICuts[1]) dcaMax=fBtoJPSICuts[1];
- if(dcaMax<fDplusCuts[11]) dcaMax=fDplusCuts[11];
- if(fDebug) printf(" dca cut set to %f cm\n",dcaMax);
-
- Int_t ev = (Int_t)esd->GetEventNumberInFile();
- printf("--- Finding candidates in event %d\n",ev);
+ // Add the AOD tracks as daughters of the vertex (TRef)
- fBzkG = (Double_t)esd->GetMagneticField();
+ Int_t nTrks = trkArray->GetEntriesFast();
- trkEntries = (Int_t)esd->GetNumberOfTracks();
- printf(" Number of tracks: %d\n",trkEntries);
- if(trkEntries<2) return;
+ AliExternalTrackParam *track = 0;
+ AliAODTrack *aodTrack = 0;
+ Int_t id;
- // retrieve primary vertex from the AliESDEvent
- if(!esd->GetPrimaryVertex()) {
- printf(" No vertex in AliESD\n");
- return;
+ for(Int_t i=0; i<nTrks; i++) {
+ 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);
}
- AliESDVertex copy(*(esd->GetPrimaryVertex()));
- SetPrimaryVertex(©);
-
- // call function which applies sigle-track selection and
- // separetes positives and negatives
- TObjArray trksP(trkEntries/2);
- TObjArray trksN(trkEntries/2);
- SelectTracks(esd,trksP,nTrksP,
- trksN,nTrksN);
-
- printf(" Pos. tracks: %d Neg. tracks: %d\n",nTrksP,nTrksN);
-
- TObjArray *twoTrackArray1 = new TObjArray(2);
- TObjArray *twoTrackArray2 = new TObjArray(2);
- TObjArray *threeTrackArray = new TObjArray(3);
- TObjArray *fourTrackArray = new TObjArray(4);
-
- // LOOP ON POSITIVE TRACKS
- for(iTrkP1=0; iTrkP1<nTrksP; iTrkP1++) {
- if(fDebug) if(iTrkP1%1==0) printf(" Processing positive track number %d of %d\n",iTrkP1,nTrksP);
- // get track from track array
- postrack1 = (AliESDtrack*)trksP.UncheckedAt(iTrkP1);
-
- // LOOP ON NEGATIVE TRACKS
- for(iTrkN1=0; iTrkN1<nTrksN; iTrkN1++) {
- if(fDebug) if(iTrkN1%1==0) printf(" Processing negative track number %d of %d\n",iTrkN1,nTrksN);
- // get track from tracks array
- negtrack1 = (AliESDtrack*)trksN.UncheckedAt(iTrkN1);
- // 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);
- AliESDVertex *vertexp1n1 = ReconstructSecondaryVertex(twoTrackArray1);
- if(!vertexp1n1) {
- twoTrackArray1->Clear();
- negtrack1=0;
- continue;
- }
- if(fD0toKpi || fJPSItoEle) {
- io2Prong = Make2Prong(twoTrackArray1,esd,vertexp1n1,dcap1n1,okD0,okJPSI);
- if(okD0) treeout[itreeD0toKpi]->Fill();
- if(okJPSI) treeout[itreeJPSItoEle]->Fill();
- delete io2Prong; io2Prong=NULL;
- }
- twoTrackArray1->Clear();
- if(!f3Prong && !f4Prong) {
- negtrack1=0;
- delete vertexp1n1;
- continue;
- }
-
- // 2nd LOOP ON POSITIVE TRACKS
- for(iTrkP2=iTrkP1+1; iTrkP2<nTrksP; iTrkP2++) {
- // get track from tracks array
- postrack2 = (AliESDtrack*)trksP.UncheckedAt(iTrkP2);
- dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy);
- if(dcap2n1>dcaMax) { postrack2=0; continue; }
- dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy);
- if(dcap1p2>dcaMax) { postrack2=0; continue; }
-
- // Vertexing
- twoTrackArray2->AddAt(postrack2,0);
- twoTrackArray2->AddAt(negtrack1,1);
- AliESDVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2);
- if(!vertexp2n1) {
- twoTrackArray2->Clear();
- postrack2=0;
- continue;
- }
- if(f3Prong) {
- threeTrackArray->AddAt(postrack1,0);
- threeTrackArray->AddAt(negtrack1,1);
- threeTrackArray->AddAt(postrack2,2);
- io3Prong = Make3Prong(threeTrackArray,esd,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong);
- if(ok3Prong) treeout[itree3Prong]->Fill();
- if(io3Prong) delete io3Prong; io3Prong=NULL;
- }
- if(f4Prong) {
- // 3rd LOOP ON NEGATIVE TRACKS (for 4 prong)
- for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) {
- // get track from tracks array
- negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2);
- dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
- if(dcap1n2>dcaMax) { negtrack2=0; continue; }
- // Vertexing
- fourTrackArray->AddAt(postrack1,0);
- fourTrackArray->AddAt(negtrack1,1);
- fourTrackArray->AddAt(postrack2,2);
- fourTrackArray->AddAt(negtrack2,3);
- io4Prong = Make4Prong(fourTrackArray,esd,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong);
- if(ok4Prong) treeout[itree4Prong]->Fill();
- delete io4Prong; io4Prong=NULL;
- fourTrackArray->Clear();
- negtrack2 = 0;
- } // end loop on negative tracks
- }
- postrack2 = 0;
- delete vertexp2n1;
- } // end 2nd loop on positive tracks
- twoTrackArray2->Clear();
-
- // 2nd LOOP ON NEGATIVE TRACKS
- for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) {
- // get track from tracks array
- negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2);
- dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
- if(dcap1n2>dcaMax) { negtrack2=0; continue; }
- dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
- if(dcan1n2>dcaMax) { negtrack2=0; continue; }
-
- // Vertexing
- twoTrackArray2->AddAt(postrack1,0);
- twoTrackArray2->AddAt(negtrack2,1);
- AliESDVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2);
- if(!vertexp1n2) {
- twoTrackArray2->Clear();
- negtrack2=0;
- continue;
- }
- if(f3Prong) {
- threeTrackArray->AddAt(negtrack1,0);
- threeTrackArray->AddAt(postrack1,1);
- threeTrackArray->AddAt(negtrack2,2);
- io3Prong = Make3Prong(threeTrackArray,esd,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong);
- if(ok3Prong) treeout[itree3Prong]->Fill();
- if(io3Prong) delete io3Prong; io3Prong=NULL;
- }
- negtrack2 = 0;
- delete vertexp1n2;
- } // end 2nd loop on negative tracks
- twoTrackArray2->Clear();
-
- negtrack1 = 0;
- delete vertexp1n1;
- } // end 1st loop on negative tracks
+ 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
- postrack1 = 0;
- } // end 1st loop on positive tracks
-
+ okDstar = kFALSE;
+ Bool_t dummy1,dummy2,dummy3;
- //printf("delete twoTr 1\n");
- twoTrackArray1->Delete(); delete twoTrackArray1;
- //printf("delete twoTr 2\n");
- twoTrackArray2->Delete(); delete twoTrackArray2;
- //printf("delete threeTr 1\n");
- threeTrackArray->Clear();
- threeTrackArray->Delete(); delete threeTrackArray;
- //printf("delete fourTr 1\n");
- fourTrackArray->Delete(); delete fourTrackArray;
+ // 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());
- // create a copy of this class to be written to output file
- //AliAnalysisVertexingHF *copy = (AliAnalysisVertexingHF*)this->Clone("AnalysisVertexingHF");
-
- // print statistics
- if(fD0toKpi) {
- printf(" D0->Kpi: event %d = %d; total = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)treeout[itreeD0toKpi]->GetEntries()-initEntriesD0toKpi,
- (Int_t)treeout[itreeD0toKpi]->GetEntries());
+ //--- 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);
}
- if(fJPSItoEle) {
- printf(" JPSI->ee: event %d = %d; total = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)treeout[itreeJPSItoEle]->GetEntries()-initEntriesJPSItoEle,
- (Int_t)treeout[itreeJPSItoEle]->GetEntries());
+ // select D*->D0pi
+ if(fDstar) {
+ Bool_t testD0=kTRUE;
+ okDstar = tmpCascade->SelectDstar(fDstarCuts,fD0fromDstarCuts,testD0);
}
- if(f3Prong) {
- printf(" Charm->3Prong: event %d = %d; total = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)treeout[itree3Prong]->GetEntries()-initEntries3Prong,
- (Int_t)treeout[itree3Prong]->GetEntries());
+ tmpCascade->GetSecondaryVtx()->RemoveDaughters();
+ tmpCascade->UnsetOwnPrimaryVtx();
+ delete tmpCascade; tmpCascade=NULL;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
+ rd2Prong->UnsetOwnPrimaryVtx();
+ delete primVertexAOD; primVertexAOD=NULL;
}
- if(f4Prong) {
- printf(" Charm->4Prong: event %d = %d; total = %d;\n",
- (Int_t)esd->GetEventNumberInFile(),
- (Int_t)treeout[itree4Prong]->GetEntries()-initEntries4Prong,
- (Int_t)treeout[itree4Prong]->GetEntries());
- }
-
-
- return;
+ //---
+
+ return theCascade;
}
-//----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
AliAODRecoDecayHF2Prong *AliAnalysisVertexingHF::Make2Prong(
- TObjArray *twoTrackArray1,AliESDEvent *esd,
- AliESDVertex *secVertexESD,Double_t dca,
- Bool_t &okD0,Bool_t &okJPSI) const
+ TObjArray *twoTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,Double_t dca,
+ 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->RelateToVertex(secVertexESD,fBzkG,10.);
- negtrack->RelateToVertex(secVertexESD,fBzkG,10.);
+ postrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
+ negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
Double_t momentum[3];
postrack->GetPxPyPz(momentum);
// invariant mass cut (try to improve coding here..)
Bool_t okMassCut=kFALSE;
- if(!okMassCut && fD0toKpi) if(SelectInvMass(0,2,px,py,pz)) okMassCut=kTRUE;
+ 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) {
- if(fDebug) printf(" candidate didn't pass mass cut\n");
+ AliDebug(2," candidate didn't pass mass cut");
return 0x0;
}
+ // primary vertex to be used by this candidate
+ AliAODVertex *primVertexAOD = PrimaryVertex(twoTrackArray,event);
+ if(!primVertexAOD) return 0x0;
- AliESDVertex *primVertex = fV1;
- AliESDVertex *ownPrimVertex=0;
-
- // primary vertex from *other* tracks in the event
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) {
- ownPrimVertex = OwnPrimaryVertex(2,twoTrackArray1,esd);
- if(!ownPrimVertex) {
- return 0x0;
- } else {
- if(ownPrimVertex->GetNContributors()<2) {
- delete ownPrimVertex;
- return 0x0;
- } else {
- primVertex = ownPrimVertex;
- }
- }
- }
-
- Float_t d0z0[2],covd0z0[3];
- postrack->RelateToVertex(primVertex,fBzkG,10.);
- postrack->GetImpactParameters(d0z0,covd0z0);
+ Double_t d0z0[2],covd0z0[3];
+ postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
d0[0] = d0z0[0];
d0err[0] = TMath::Sqrt(covd0z0[0]);
- negtrack->RelateToVertex(primVertex,fBzkG,10.);
- negtrack->GetImpactParameters(d0z0,covd0z0);
+ negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
d0[1] = d0z0[0];
d0err[1] = TMath::Sqrt(covd0z0[0]);
// create the object AliAODRecoDecayHF2Prong
- Double_t pos[3],cov[6];
- secVertexESD->GetXYZ(pos); // position
- secVertexESD->GetCovMatrix(cov); //covariance matrix
- AliAODVertex *secVertexAOD = new AliAODVertex(pos,cov,secVertexESD->GetChi2toNDF());
- AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVertexAOD,px,py,pz,d0,d0err,dca);
- the2Prong->SetOwnSecondaryVtx(secVertexAOD);
- primVertex->GetXYZ(pos); // position
- primVertex->GetCovMatrix(cov); //covariance matrix
- AliAODVertex *primVertexAOD = new AliAODVertex(pos,cov,primVertex->GetChi2toNDF());
+ 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);
// 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);
+ // remove the primary vertex (was used only for selection)
+ 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);
+ // 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);
- if(ownPrimVertex) delete ownPrimVertex;
-
return the2Prong;
}
//----------------------------------------------------------------------------
AliAODRecoDecayHF3Prong* AliAnalysisVertexingHF::Make3Prong(
- TObjArray *threeTrackArray,AliESDEvent *esd,
- AliESDVertex *vertexp1n1,AliESDVertex *vertexp2n1,
+ TObjArray *threeTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,Double_t dispersion,
+ AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1,
Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
Bool_t &ok3Prong) const
{
// reconstruction cuts
// E.Bruna, F.Prino
+
ok3Prong=kFALSE;
- Double_t px[3],py[3],pz[3],d0[3],d0err[3];//d0z[3];
- Float_t d0z0[2],covd0z0[3];
+ if(!secVert) return 0x0;
+
+ Double_t px[3],py[3],pz[3],d0[3],d0err[3];
+ Double_t momentum[3];
AliESDtrack *postrack1 = (AliESDtrack*)threeTrackArray->UncheckedAt(0);
- AliESDtrack *negtrack = (AliESDtrack*)threeTrackArray->UncheckedAt(1);
+ AliESDtrack *negtrack = (AliESDtrack*)threeTrackArray->UncheckedAt(1);
AliESDtrack *postrack2 = (AliESDtrack*)threeTrackArray->UncheckedAt(2);
- AliESDVertex *primVertex = fV1;
-
- postrack1->RelateToVertex(primVertex,fBzkG,10.);
- negtrack->RelateToVertex(primVertex,fBzkG,10.);
- postrack2->RelateToVertex(primVertex,fBzkG,10.);
-
- Double_t momentum[3];
+ postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig);
+ negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
+ postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig);
postrack1->GetPxPyPz(momentum);
px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2];
negtrack->GetPxPyPz(momentum);
postrack2->GetPxPyPz(momentum);
px[2] = momentum[0]; py[2] = momentum[1]; pz[2] = momentum[2];
- postrack1->GetImpactParameters(d0z0,covd0z0);
- d0[0]=d0z0[0];
- d0err[0] = TMath::Sqrt(covd0z0[0]);
- negtrack->GetImpactParameters(d0z0,covd0z0);
- d0[1]=d0z0[0];
- d0err[1] = TMath::Sqrt(covd0z0[0]);
- postrack2->GetImpactParameters(d0z0,covd0z0);
- d0[2]=d0z0[0];
- d0err[2] = TMath::Sqrt(covd0z0[0]);
-
-
// invariant mass cut for D+, Ds, Lc
Bool_t okMassCut=kFALSE;
if(!okMassCut && f3Prong) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE;
if(!okMassCut) {
- if(fDebug) printf(" candidate didn't pass mass cut\n");
+ AliDebug(2," candidate didn't pass mass cut");
return 0x0;
}
- //charge
- Short_t charge=(Short_t)(postrack1->GetSign()*postrack2->GetSign()*negtrack->GetSign());
+ // primary vertex to be used by this candidate
+ AliAODVertex *primVertexAOD = PrimaryVertex(threeTrackArray,event);
+ if(!primVertexAOD) return 0x0;
+
+ Double_t d0z0[2],covd0z0[3];
+ postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[0]=d0z0[0];
+ d0err[0] = TMath::Sqrt(covd0z0[0]);
+ negtrack->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]);
- AliESDVertex *ownPrimVertex = 0;
- // primary vertex from *other* tracks in the event
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) {
- ownPrimVertex = OwnPrimaryVertex(3,threeTrackArray,esd);
- if(!ownPrimVertex) {
- return 0x0;
- } else {
- if(ownPrimVertex->GetNContributors()<2) {
- delete ownPrimVertex;
- return 0x0;
- } else {
- primVertex = ownPrimVertex;
- }
- }
- }
// create the object AliAODRecoDecayHF3Prong
- AliESDVertex* secVert3Prong = ReconstructSecondaryVertex(threeTrackArray);
- if(!secVert3Prong) {
- if(ownPrimVertex) delete ownPrimVertex;
- return 0x0;
- }
- Double_t pos[3],cov[6],sigmavert;
- secVert3Prong->GetXYZ(pos); // position
- secVert3Prong->GetCovMatrix(cov); //covariance matrix
- sigmavert=secVert3Prong->GetDispersion();
-
- AliAODVertex *secVert3PrAOD = new AliAODVertex(pos,cov,secVert3Prong->GetChi2toNDF());
- primVertex->GetXYZ(pos); // position
- primVertex->GetCovMatrix(cov); //covariance matrix
- AliAODVertex *primVertexAOD = new AliAODVertex(pos,cov,primVertex->GetChi2toNDF());
+ Double_t pos[3]; primVertexAOD->GetXYZ(pos);
Double_t dca[3]={dcap1n1,dcap2n1,dcap1p2};
-
- Double_t dist12=TMath::Sqrt((vertexp1n1->GetXv()-pos[0])*(vertexp1n1->GetXv()-pos[0])+(vertexp1n1->GetYv()-pos[1])*(vertexp1n1->GetYv()-pos[1])+(vertexp1n1->GetZv()-pos[2])*(vertexp1n1->GetZv()-pos[2]));
- Double_t dist23=TMath::Sqrt((vertexp2n1->GetXv()-pos[0])*(vertexp2n1->GetXv()-pos[0])+(vertexp2n1->GetYv()-pos[1])*(vertexp2n1->GetYv()-pos[1])+(vertexp2n1->GetZv()-pos[2])*(vertexp2n1->GetZv()-pos[2]));
-
- AliAODRecoDecayHF3Prong *the3Prong = new AliAODRecoDecayHF3Prong(secVert3PrAOD,px,py,pz,d0,d0err,dca,sigmavert,dist12,dist23,charge);
- the3Prong->SetOwnSecondaryVtx(secVert3PrAOD);
+ 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]));
+ Short_t charge=(Short_t)(postrack1->Charge()*postrack2->Charge()*negtrack->Charge());
+ AliAODRecoDecayHF3Prong *the3Prong = new AliAODRecoDecayHF3Prong(secVert,px,py,pz,d0,d0err,dca,dispersion,dist12,dist23,charge);
the3Prong->SetOwnPrimaryVtx(primVertexAOD);
+ UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()};
+ the3Prong->SetProngIDs(3,id);
// select D+->Kpipi, Ds->KKpi, Lc->pKpi
if(the3Prong->SelectLc(fLcCuts,ok1,ok2)) ok3Prong = kTRUE;
}
//if(fDebug) printf("ok3Prong: %d\n",(Int_t)ok3Prong);
- 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(ownPrimVertex) delete ownPrimVertex;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the3Prong->UnsetOwnPrimaryVtx();
+
+ // 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);
return the3Prong;
}
//----------------------------------------------------------------------------
AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong(
- TObjArray *fourTrackArray,AliESDEvent *esd,
- AliESDVertex *vertexp1n1,AliESDVertex *vertexp2n1,
+ TObjArray *fourTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,
+ AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1,
Double_t dcap1n1,Double_t dcap1n2,Double_t dcap2n1,
Bool_t &ok4Prong) const
{
// G.E.Bruno, R.Romita
ok4Prong=kFALSE;
+ if(!secVert) return 0x0;
Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3];
- //Float_t d0z0[2],covd0z0[3];
px[0]=dcap1n1*dcap1n2*dcap2n1; // TO BE CHANGED (done just to removed compilation warning about dca... not used)
- //charge
- Short_t charge=0;
-
AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0);
AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1);
AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2);
AliESDtrack *negtrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(3);
- AliESDVertex *primVertex = fV1;
-
- postrack1->RelateToVertex(primVertex,fBzkG,10.);
- negtrack1->RelateToVertex(primVertex,fBzkG,10.);
- postrack2->RelateToVertex(primVertex,fBzkG,10.);
- negtrack2->RelateToVertex(primVertex,fBzkG,10.);
+ postrack1->PropagateToDCA(secVert,fBzkG,kVeryBig);
+ negtrack1->PropagateToDCA(secVert,fBzkG,kVeryBig);
+ postrack2->PropagateToDCA(secVert,fBzkG,kVeryBig);
+ negtrack2->PropagateToDCA(secVert,fBzkG,kVeryBig);
Double_t momentum[3];
postrack1->GetPxPyPz(momentum);
// return 0x0;
//}
- AliESDVertex *ownPrimVertex = 0;
- // primary vertex from *other* tracks in the event
- if(fRecoPrimVtxSkippingTrks || fRmTrksFromPrimVtx) {
- ownPrimVertex = OwnPrimaryVertex(4,fourTrackArray,esd);
- if(!ownPrimVertex) {
- return 0x0;
- } else {
- if(ownPrimVertex->GetNContributors()<2) {
- delete ownPrimVertex;
- return 0x0;
- } else {
- primVertex = ownPrimVertex;
- }
- }
- }
+ // primary vertex to be used by this candidate
+ 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);
+ */
// create the object AliAODRecoDecayHF4Prong
- AliESDVertex* secVert4Prong = ReconstructSecondaryVertex(fourTrackArray);
- if(!secVert4Prong) {
- if(ownPrimVertex) delete ownPrimVertex;
- return 0x0;
- }
- Double_t pos[3],cov[6],sigmavert;
- secVert4Prong->GetXYZ(pos); // position
- secVert4Prong->GetCovMatrix(cov); //covariance matrix
- sigmavert=secVert4Prong->GetDispersion();
-
- AliAODVertex *secVert4PrAOD = new AliAODVertex(pos,cov,secVert4Prong->GetChi2toNDF());
- primVertex->GetXYZ(pos); // position
- primVertex->GetCovMatrix(cov); //covariance matrix
- AliAODVertex *primVertexAOD = new AliAODVertex(pos,cov,primVertex->GetChi2toNDF());
- //Double_t dca[6]={dcap1n1,dcap2n1,dcap1p2,0.,0.,0.}; //
+ Double_t pos[3]; primVertexAOD->GetXYZ(pos);
Double_t dca[6]={0.,0.,0.,0.,0.,0.}; // modify it
-
- Double_t dist12=TMath::Sqrt((vertexp1n1->GetXv()-pos[0])*(vertexp1n1->GetXv()-pos[0])+(vertexp1n1->GetYv()-pos[1])*(vertexp1n1->GetYv()-pos[1])+(vertexp1n1->GetZv()-pos[2])*(vertexp1n1->GetZv()-pos[2]));
- Double_t dist23=TMath::Sqrt((vertexp2n1->GetXv()-pos[0])*(vertexp2n1->GetXv()-pos[0])+(vertexp2n1->GetYv()-pos[1])*(vertexp2n1->GetYv()-pos[1])+(vertexp2n1->GetZv()-pos[2])*(vertexp2n1->GetZv()-pos[2]));
+ 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
-
- //AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert4PrAOD,px,py,pz,d0,d0err,dca,sigmavert,dist12,dist23,charge);
- AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert4PrAOD,px,py,pz,d0,d0err,dca,dist12,dist23,dist14,dist34,charge);
+ Short_t charge=0;
+ AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist23,dist14,dist34,charge);
the4Prong->SetOwnPrimaryVtx(primVertexAOD);
- the4Prong->SetOwnSecondaryVtx(secVert4PrAOD);
+ UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()};
+ the4Prong->SetProngIDs(4,id);
// use the following two lines once AliAODRecoDecayHF4Prong::SelectD0 is available
// ok4Prong=the4Prong->SelectD0(fD04pCuts,checkD0,checkD0bar);
ok4Prong=kFALSE; //for the time being ...
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the4Prong->UnsetOwnPrimaryVtx();
// get PID info from ESD
Double_t esdpid0[5];
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);
- if(ownPrimVertex) delete ownPrimVertex;
-
return the4Prong;
}
//-----------------------------------------------------------------------------
-AliESDVertex* AliAnalysisVertexingHF::OwnPrimaryVertex(Int_t ntrks,
- TObjArray *trkArray,
- AliESDEvent *esd) 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
- AliVertexerTracks *vertexer1 = new AliVertexerTracks(esd->GetMagneticField());
- AliESDVertex *ownPrimVertex = 0;
-
- // recalculating the vertex
- if(fRecoPrimVtxSkippingTrks) {
- if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraint")) {
- Float_t diamondcovxy[3];
- esd->GetDiamondCovXY(diamondcovxy);
- Double_t pos[3]={esd->GetDiamondX(),esd->GetDiamondY(),0.};
- Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.};
- AliESDVertex *diamond = new AliESDVertex(pos,cov,1.,1);
- vertexer1->SetVtxStart(diamond);
- delete diamond; diamond=NULL;
- if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter"))
- vertexer1->SetOnlyFitter();
- }
- Int_t skipped[10];
- AliESDtrack *t = 0;
- for(Int_t i=0; i<ntrks; i++) {
- t = (AliESDtrack*)trkArray->UncheckedAt(i);
- skipped[i] = (Int_t)t->GetID();
+ AliESDVertex *vertexESD = 0;
+ AliAODVertex *vertexAOD = 0;
+
+
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
+ // primary vertex from the input event
+
+ vertexESD = new AliESDVertex(*fV1);
+
+ } else {
+ // primary vertex specific to this candidate
+
+ Int_t nTrks = trkArray->GetEntriesFast();
+ AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField());
+
+ if(fRecoPrimVtxSkippingTrks) {
+ // recalculating the vertex
+
+ if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraint")) {
+ Float_t diamondcovxy[3];
+ event->GetDiamondCovXY(diamondcovxy);
+ Double_t pos[3]={event->GetDiamondX(),event->GetDiamondY(),0.};
+ Double_t cov[6]={diamondcovxy[0],diamondcovxy[1],diamondcovxy[2],0.,0.,10.};
+ AliESDVertex *diamond = new AliESDVertex(pos,cov,1.,1);
+ vertexer->SetVtxStart(diamond);
+ delete diamond; diamond=NULL;
+ if(strstr(fV1->GetTitle(),"VertexerTracksWithConstraintOnlyFitter"))
+ vertexer->SetOnlyFitter();
+ }
+ Int_t skipped[10];
+ Int_t nTrksToSkip=0,id;
+ AliExternalTrackParam *t = 0;
+ for(Int_t i=0; i<nTrks; i++) {
+ t = (AliExternalTrackParam*)trkArray->UncheckedAt(i);
+ id = (Int_t)t->GetID();
+ if(id<0) continue;
+ skipped[nTrksToSkip++] = id;
+ }
+ vertexer->SetSkipTracks(nTrksToSkip,skipped);
+ vertexESD = (AliESDVertex*)vertexer->FindPrimaryVertex(event);
+
+ } else if(fRmTrksFromPrimVtx) {
+ // removing the prongs tracks
+
+ TObjArray rmArray(nTrks);
+ UShort_t *rmId = new UShort_t[nTrks];
+ AliESDtrack *esdTrack = 0;
+ AliESDtrack *t = 0;
+ for(Int_t i=0; i<nTrks; i++) {
+ t = (AliESDtrack*)trkArray->UncheckedAt(i);
+ esdTrack = new AliESDtrack(*t);
+ rmArray.AddLast(esdTrack);
+ 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);
+ delete [] rmId; rmId=NULL;
+ rmArray.Delete();
+
}
- vertexer1->SetSkipTracks(ntrks,skipped);
- ownPrimVertex = (AliESDVertex*)vertexer1->FindPrimaryVertex(esd);
- }
- // removing the prongs tracks
- if(fRmTrksFromPrimVtx) {
- TObjArray rmArray(ntrks);
- UShort_t *rmId = new UShort_t[ntrks];
- AliESDtrack *esdTrack = 0;
- AliESDtrack *t = 0;
- for(Int_t i=0; i<ntrks; i++) {
- t = (AliESDtrack*)trkArray->UncheckedAt(i);
- esdTrack = new AliESDtrack(*t);
- rmArray.AddLast(esdTrack);
- rmId[i]=(UShort_t)esdTrack->GetID();
+ if(!vertexESD) return vertexAOD;
+ if(vertexESD->GetNContributors()<=0) {
+ AliDebug(2,"vertexing failed");
+ delete vertexESD; vertexESD=NULL;
+ return vertexAOD;
}
- Float_t diamondxy[2]={esd->GetDiamondX(),esd->GetDiamondY()};
- ownPrimVertex = vertexer1->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy);
- delete [] rmId; rmId=NULL;
- rmArray.Delete();
+
+ delete vertexer; vertexer=NULL;
+
}
- delete vertexer1; vertexer1=NULL;
+ // convert to AliAODVertex
+ Double_t pos[3],cov[6],chi2perNDF;
+ vertexESD->GetXYZ(pos); // position
+ vertexESD->GetCovMatrix(cov); //covariance matrix
+ chi2perNDF = vertexESD->GetChi2toNDF();
+ delete vertexESD; vertexESD=NULL;
+
+ vertexAOD = new AliAODVertex(pos,cov,chi2perNDF);
- return ownPrimVertex;
+ return vertexAOD;
}
//-----------------------------------------------------------------------------
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) {
+ 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]);
return;
}
//-----------------------------------------------------------------------------
+AliAODVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray,
+ Double_t &dispersion,Bool_t useTRefArray) const
+{
+ // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle
+
+ AliESDVertex *vertexESD = 0;
+ AliAODVertex *vertexAOD = 0;
+
+ if(!fSecVtxWithKF) { // AliVertexerTracks
+
+ AliVertexerTracks *vertexer = new AliVertexerTracks(fBzkG);
+ vertexer->SetVtxStart(fV1);
+ vertexESD = (AliESDVertex*)vertexer->VertexForSelectedESDTracks(trkArray);
+ delete vertexer; vertexer=NULL;
+
+ if(!vertexESD) return vertexAOD;
+
+ if(vertexESD->GetNContributors()!=trkArray->GetEntriesFast()) {
+ AliDebug(2,"vertexing failed");
+ delete vertexESD; vertexESD=NULL;
+ return vertexAOD;
+ }
+
+ } else { // Kalman Filter vertexer (AliKFParticle)
+
+ AliKFParticle::SetField(fBzkG);
+
+ AliKFVertex vertexKF;
+
+ Int_t nTrks = trkArray->GetEntriesFast();
+ for(Int_t i=0; i<nTrks; i++) {
+ AliESDtrack *esdTrack = (AliESDtrack*)trkArray->At(i);
+ AliKFParticle daughterKF(*esdTrack,211);
+ vertexKF.AddDaughter(daughterKF);
+ }
+ vertexESD = new AliESDVertex(vertexKF.Parameters(),
+ vertexKF.CovarianceMatrix(),
+ vertexKF.GetChi2(),
+ vertexKF.GetNContributors());
+
+ }
+
+ // convert to AliAODVertex
+ Double_t pos[3],cov[6],chi2perNDF;
+ vertexESD->GetXYZ(pos); // position
+ vertexESD->GetCovMatrix(cov); //covariance matrix
+ chi2perNDF = vertexESD->GetChi2toNDF();
+ dispersion = vertexESD->GetDispersion();
+ delete vertexESD; vertexESD=NULL;
+
+ Int_t nprongs= (useTRefArray ? 0 : trkArray->GetEntriesFast());
+ vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs);
+
+ return vertexAOD;
+}
+//-----------------------------------------------------------------------------
Bool_t AliAnalysisVertexingHF::SelectInvMass(Int_t decay,
Int_t nprongs,
Double_t *px,
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;
default:
+ printf("SelectInvMass(): wrong decay selection\n");
break;
}
return retval;
}
//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SelectTracks(AliESDEvent *esd,
- TObjArray &trksP,Int_t &nTrksP,
- TObjArray &trksN,Int_t &nTrksN) const
+void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(AliVEvent *event,
+ TObjArray &seleTrksArray,Int_t &nSeleTrks,
+ UChar_t *seleFlags)
{
- // 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();
- nTrksP=0,nTrksN=0;
+ if(fV1) { delete fV1; fV1=NULL; }
+ if(fAODMap) { delete [] fAODMap; fAODMap=NULL; }
- Int_t entries = (Int_t)esd->GetNumberOfTracks();
+ Int_t nindices=0;
+ UShort_t *indices = 0;
+ Double_t pos[3],cov[6];
+
+ if(!fInputAOD) { // ESD
+ fV1 = new AliESDVertex(*((AliESDVertex*)vprimary));
+ } else { // AOD
+ vprimary->GetXYZ(pos);
+ vprimary->GetCovarianceMatrix(cov);
+ fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName());
+ indices = new UShort_t[event->GetNumberOfTracks()];
+ fAODMap = new Int_t[100000];
+ }
+
+
+ Int_t entries = (Int_t)event->GetNumberOfTracks();
+ Bool_t okDisplaced=kFALSE,okSoftPi=kFALSE;
+ nSeleTrks=0;
- // transfer ITS tracks from ESD to arrays and to a tree
+ // transfer ITS tracks from event to arrays
for(Int_t i=0; i<entries; i++) {
+ AliVTrack *track = (AliVTrack*)event->GetTrack(i);
- AliESDtrack *esdtrack = esd->GetTrack(i);
- UInt_t status = esdtrack->GetStatus();
-
- // require refit in ITS
- if(fITSrefit && !(status&AliESDtrack::kITSrefit)) {
- if(fDebug) printf("track %d is not kITSrefit\n",i);
- continue;
+ if(fInputAOD) {
+ AliAODTrack *aodt = (AliAODTrack*)track;
+ if(aodt->GetUsedForPrimVtxFit()) {
+ indices[nindices]=aodt->GetID(); nindices++;
+ }
+ fAODMap[(Int_t)aodt->GetID()] = i;
}
- // require minimum # of ITS points
- if(esdtrack->GetNcls(0)<fMinITSCls) {
- if(fDebug) printf("track %d has %d ITS cls\n",i,esdtrack->GetNcls(0));
- continue;
+ AliESDtrack *esdt = 0;
+ if(!fInputAOD) {
+ esdt = (AliESDtrack*)track;
+ } else {
+ esdt = new AliESDtrack(track);
}
- // require points on the 2 pixel layers
- if(fBothSPD)
- if(!TESTBIT(esdtrack->GetITSClusterMap(),0) ||
- !TESTBIT(esdtrack->GetITSClusterMap(),1)) continue;
// single track selection
- if(!SingleTrkCuts(*esdtrack)) continue;
-
- if(esdtrack->GetSign()<0) { // negative track
- trksN.AddLast(esdtrack);
- nTrksN++;
- } else { // positive track
- trksP.AddLast(esdtrack);
- nTrksP++;
- }
+ okDisplaced=kFALSE; okSoftPi=kFALSE;
+ 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;
+ }
+
+ } // end loop on tracks
+
+ // primary vertex from AOD
+ if(fInputAOD) {
+ delete fV1; fV1=NULL;
+ vprimary->GetXYZ(pos);
+ vprimary->GetCovarianceMatrix(cov);
+ Double_t chi2toNDF = vprimary->GetChi2perNDF();
+ Int_t ncontr=nindices;
+ if(!strcmp(vprimary->GetTitle(),"VertexerTracksWithContraint")) ncontr += 1;
+ Double_t chi2=chi2toNDF*(2.*(Double_t)ncontr-3.);
+ fV1 = new AliESDVertex(pos,cov,chi2,ncontr,vprimary->GetName());
+ fV1->SetTitle(vprimary->GetTitle());
+ fV1->SetIndices(nindices,indices);
+ }
+ if(indices) { delete [] indices; indices=NULL; }
- } // loop on ESD tracks
return;
}
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
+Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk,
+ Bool_t &okDisplaced,Bool_t &okSoftPi) const
{
// Check if track passes some kinematical cuts
- if(TMath::Abs(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);
}
- trk.RelateToVertex(fV1,fBzkG,10.);
- Float_t d0z0[2],covd0z0[3];
- trk.GetImpactParameters(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;
- return kTRUE;
-}
-//-----------------------------------------------------------------------------
-AliESDVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray) const
-{
- // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle
-
- AliESDVertex *vertex = 0;
+ if(okDisplaced || okSoftPi) return kTRUE;
- if(!fSecVtxWithKF) { // AliVertexerTracks
-
- AliVertexerTracks *vertexer2 = new AliVertexerTracks(fBzkG);
- vertexer2->SetDebug(0);
- vertexer2->SetVtxStart(fV1);
- vertex = (AliESDVertex*)vertexer2->VertexForSelectedESDTracks(trkArray);
- delete vertexer2;
-
- if(vertex->GetNContributors()!=trkArray->GetEntriesFast()) {
- if(fDebug) printf("vertexing failed\n");
- delete vertex; vertex=0;
- }
-
- } else { // Kalman Filter vertexer (AliKFParticle)
-
- AliKFParticle::SetField(fBzkG);
-
- AliKFParticle vertexKF;
-
- Int_t nTrks = trkArray->GetEntriesFast();
- for(Int_t i=0; i<nTrks; i++) {
- AliESDtrack *esdTrack = (AliESDtrack*)trkArray->At(i);
- AliKFParticle daughterKF(*esdTrack,211);
- vertexKF.AddDaughter(daughterKF);
- }
- vertex = new AliESDVertex();
- vertexKF.CopyToESDVertex(*vertex);
-
- }
-
- return vertex;
+ return kFALSE;
}
//-----------------------------------------------------------------------------
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff