//----------------------------------------------------------------------------
// 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
-// 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 <TTree.h>
+#include <Riostream.h>
#include <TFile.h>
#include <TDatabasePDG.h>
#include <TString.h>
-#include "AliESDEvent.h"
+#include <TList.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 "AliRDHFCutsD0toKpi.h"
+#include "AliRDHFCutsJpsitoee.h"
+#include "AliRDHFCutsDplustoKpipi.h"
+#include "AliRDHFCutsDstoKKpi.h"
+#include "AliRDHFCutsLctopKpi.h"
+#include "AliRDHFCutsLctoV0.h"
+#include "AliRDHFCutsD0toKpipipi.h"
+#include "AliRDHFCutsDStartoKpipi.h"
+#include "AliAnalysisFilter.h"
#include "AliAnalysisVertexingHF.h"
+#include "AliMixedEvent.h"
+#include "AliESDv0.h"
+#include "AliAODv0.h"
ClassImp(AliAnalysisVertexingHF)
//----------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF():
+fInputAOD(kFALSE),
+fAODMapSize(0),
+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),
+fCascades(kTRUE),
+fLikeSign(kFALSE),
+fMixEvent(kFALSE),
+fTrackFilter(0x0),
+fTrackFilterSoftPi(0x0),
+fCutsD0toKpi(0x0),
+fCutsJpsitoee(0x0),
+fCutsDplustoKpipi(0x0),
+fCutsDstoKKpi(0x0),
+fCutsLctopKpi(0x0),
+fCutsLctoV0(0x0),
+fCutsD0toKpipipi(0x0),
+fCutsDStartoKpipi(0x0),
+fListOfCuts(0x0),
+fFindVertexForDstar(kTRUE),
+fFindVertexForCascades(kTRUE),
+fMassCutBeforeVertexing(kFALSE),
+fMassCalc2(0),
+fMassCalc3(0),
+fMassCalc4(0)
{
// Default constructor
- SetD0toKpiCuts();
- SetBtoJPSICuts();
- SetDplusCuts();
- SetDsCuts();
- SetLcCuts();
+ Double_t d02[2],d03[3],d04[4];
+ fMassCalc2 = new AliAODRecoDecay(0x0,2,0,d02);
+ fMassCalc3 = new AliAODRecoDecay(0x0,3,1,d03);
+ fMassCalc4 = new AliAODRecoDecay(0x0,4,0,d04);
+
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) :
TNamed(source),
+fInputAOD(source.fInputAOD),
+fAODMapSize(source.fAODMapSize),
+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),
+fCascades(source.fCascades),
+fLikeSign(source.fLikeSign),
+fMixEvent(source.fMixEvent),
+fTrackFilter(source.fTrackFilter),
+fTrackFilterSoftPi(source.fTrackFilterSoftPi),
+fCutsD0toKpi(source.fCutsD0toKpi),
+fCutsJpsitoee(source.fCutsJpsitoee),
+fCutsDplustoKpipi(source.fCutsDplustoKpipi),
+fCutsDstoKKpi(source.fCutsDstoKKpi),
+fCutsLctopKpi(source.fCutsLctopKpi),
+fCutsLctoV0(source.fCutsLctoV0),
+fCutsD0toKpipipi(source.fCutsD0toKpipipi),
+fCutsDStartoKpipi(source.fCutsDStartoKpipi),
+fListOfCuts(source.fListOfCuts),
+fFindVertexForDstar(source.fFindVertexForDstar),
+fFindVertexForCascades(source.fFindVertexForCascades),
+fMassCutBeforeVertexing(source.fMassCutBeforeVertexing),
+fMassCalc2(source.fMassCalc2),
+fMassCalc3(source.fMassCalc3),
+fMassCalc4(source.fMassCalc4)
{
//
// 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<12; i++) fDsCuts[i]=source.fDsCuts[i];
- for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source)
// assignment operator
//
if(&source == this) return *this;
+ fInputAOD = source.fInputAOD;
+ fAODMapSize = source.fAODMapSize;
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;
-
- 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<12; i++) fDsCuts[i]=source.fDsCuts[i];
- for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ fDstar = source.fDstar;
+ fCascades = source.fCascades;
+ fLikeSign = source.fLikeSign;
+ fMixEvent = source.fMixEvent;
+ fTrackFilter = source.fTrackFilter;
+ fTrackFilterSoftPi = source.fTrackFilterSoftPi;
+ fCutsD0toKpi = source.fCutsD0toKpi;
+ fCutsJpsitoee = source.fCutsJpsitoee;
+ fCutsDplustoKpipi = source.fCutsDplustoKpipi;
+ fCutsDstoKKpi = source.fCutsDstoKKpi;
+ fCutsLctopKpi = source.fCutsLctopKpi;
+ fCutsLctoV0 = source.fCutsLctoV0;
+ fCutsD0toKpipipi = source.fCutsD0toKpipipi;
+ fCutsDStartoKpipi = source.fCutsDStartoKpipi;
+ fListOfCuts = source.fListOfCuts;
+ fFindVertexForDstar = source.fFindVertexForDstar;
+ fFindVertexForCascades = source.fFindVertexForCascades;
+ fMassCutBeforeVertexing = source.fMassCutBeforeVertexing;
+ fMassCalc2 = source.fMassCalc2;
+ fMassCalc3 = source.fMassCalc3;
+ fMassCalc4 = source.fMassCalc4;
return *this;
}
AliAnalysisVertexingHF::~AliAnalysisVertexingHF() {
// Destructor
if(fV1) { delete fV1; fV1=0; }
+ if(fTrackFilter) { delete fTrackFilter; fTrackFilter=0; }
+ if(fTrackFilterSoftPi) { delete fTrackFilterSoftPi; fTrackFilterSoftPi=0; }
+ if(fCutsD0toKpi) { delete fCutsD0toKpi; fCutsD0toKpi=0; }
+ if(fCutsJpsitoee) { delete fCutsJpsitoee; fCutsJpsitoee=0; }
+ if(fCutsDplustoKpipi) { delete fCutsDplustoKpipi; fCutsDplustoKpipi=0; }
+ if(fCutsDstoKKpi) { delete fCutsDstoKKpi; fCutsDstoKKpi=0; }
+ if(fCutsLctopKpi) { delete fCutsLctopKpi; fCutsLctopKpi=0; }
+ if(fCutsLctoV0) { delete fCutsLctoV0; fCutsLctoV0=0; }
+ if(fCutsD0toKpipipi) { delete fCutsD0toKpipipi; fCutsD0toKpipipi=0; }
+ if(fCutsDStartoKpipi) { delete fCutsDStartoKpipi; fCutsDStartoKpipi=0; }
+ if(fAODMap) { delete fAODMap; fAODMap=0; }
+ if(fMassCalc2) { delete fMassCalc2; fMassCalc2=0; }
+ if(fMassCalc3) { delete fMassCalc3; fMassCalc3=0; }
+ if(fMassCalc4) { delete fMassCalc4; fMassCalc4=0; }
+}
+//----------------------------------------------------------------------------
+TList *AliAnalysisVertexingHF::FillListOfCuts() {
+ // Fill list of analysis cuts
+
+ TList *list = new TList();
+ list->SetOwner();
+ list->SetName("ListOfCuts");
+
+ if(fCutsD0toKpi) {
+ AliRDHFCutsD0toKpi *cutsD0toKpi = new AliRDHFCutsD0toKpi(*fCutsD0toKpi);
+ list->Add(cutsD0toKpi);
+ }
+ if(fCutsJpsitoee) {
+ AliRDHFCutsJpsitoee *cutsJpsitoee = new AliRDHFCutsJpsitoee(*fCutsJpsitoee);
+ list->Add(cutsJpsitoee);
+ }
+ if(fCutsDplustoKpipi) {
+ AliRDHFCutsDplustoKpipi *cutsDplustoKpipi = new AliRDHFCutsDplustoKpipi(*fCutsDplustoKpipi);
+ list->Add(cutsDplustoKpipi);
+ }
+ if(fCutsDstoKKpi) {
+ AliRDHFCutsDstoKKpi *cutsDstoKKpi = new AliRDHFCutsDstoKKpi(*fCutsDstoKKpi);
+ list->Add(cutsDstoKKpi);
+ }
+ if(fCutsLctopKpi) {
+ AliRDHFCutsLctopKpi *cutsLctopKpi = new AliRDHFCutsLctopKpi(*fCutsLctopKpi);
+ list->Add(cutsLctopKpi);
+ }
+ if(fCutsLctoV0){
+ AliRDHFCutsLctoV0 *cutsLctoV0 = new AliRDHFCutsLctoV0(*fCutsLctoV0);
+ list->Add(cutsLctoV0);
+ }
+ if(fCutsD0toKpipipi) {
+ AliRDHFCutsD0toKpipipi *cutsD0toKpipipi = new AliRDHFCutsD0toKpipipi(*fCutsD0toKpipipi);
+ list->Add(cutsD0toKpipipi);
+ }
+ if(fCutsDStartoKpipi) {
+ AliRDHFCutsDStartoKpipi *cutsDStartoKpipi = new AliRDHFCutsDStartoKpipi(*fCutsDStartoKpipi);
+ list->Add(cutsDStartoKpipi);
+ }
+
+ // keep a pointer to the list
+ fListOfCuts = list;
+
+ return list;
}
//----------------------------------------------------------------------------
-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,
+ TClonesArray *aodCascadesTClArr,
+ TClonesArray *aodLikeSign2ProngTClArr,
+ TClonesArray *aodLikeSign3ProngTClArr)
{
// Find heavy-flavour vertex candidates
- // Input: ESD
+ // 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
+
+ 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(fCascades && !aodCascadesTClArr){
+ printf("ERROR: no aodCascadesTClArr ");
+ 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,iCascades=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(fCascades) {
+ aodCascadesTClArr->Delete();
+ iCascades = aodCascadesTClArr->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 &aodCascadesRef = *aodCascadesTClArr;
+ 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,iv0,nv0;
+ Double_t xdummy,ydummy,dcap1n1,dcap1n2,dcap2n1,dcap1p2,dcan1n2,dcap2n2,dcaV0,dcaCasc;
Bool_t okD0=kFALSE,okJPSI=kFALSE,ok3Prong=kFALSE,ok4Prong=kFALSE;
+ Bool_t okDstar=kFALSE,okD0fromDstar=kFALSE;
+ Bool_t okCascades=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);
+ AliESDtrack *trackPi = 0;
+ // AliESDtrack *posV0track = 0;
+ // AliESDtrack *negV0track = 0;
+ Float_t dcaMax = fCutsD0toKpi->GetDCACut();
+ if(fCutsJpsitoee) dcaMax=TMath::Max(dcaMax,fCutsJpsitoee->GetDCACut());
+ if(fCutsDplustoKpipi) dcaMax=TMath::Max(dcaMax,fCutsDplustoKpipi->GetDCACut());
+ if(fCutsDstoKKpi) dcaMax=TMath::Max(dcaMax,fCutsDstoKKpi->GetDCACut());
+ if(fCutsLctopKpi) dcaMax=TMath::Max(dcaMax,fCutsLctopKpi->GetDCACut());
+ if(fCutsD0toKpipipi) dcaMax=TMath::Max(dcaMax,fCutsD0toKpipipi->GetDCACut());
+ if(fCutsDStartoKpipi) dcaMax=TMath::Max(dcaMax,fCutsDStartoKpipi->GetDCACut());
+
+ 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)esd->GetNumberOfTracks();
- printf(" Number of tracks: %d\n",trkEntries);
-
- if(trkEntries<2 || !esd->GetPrimaryVertex()) {
+ trkEntries = (Int_t)event->GetNumberOfTracks();
+ AliDebug(1,Form(" Number of tracks: %d",trkEntries));
+
+ nv0 = (Int_t)event->GetNumberOfV0s();
+ AliDebug(1,Form(" Number of V0s: %d",nv0));
+
+ if( trkEntries<2 && (trkEntries<1 || nv0<1) ) {
+ AliDebug(1,Form(" Not enough tracks: %d",trkEntries));
return;
}
- // retrieve primary vertex from the AliESDEvent
- AliESDVertex copy(*(esd->GetPrimaryVertex()));
- SetPrimaryVertex(©);
+ // event selection
+ if(!fCutsD0toKpi->IsEventSelected(event)) return;
+
+ // 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;
+ Int_t *evtNumber = new Int_t[trkEntries];
+ SelectTracksAndCopyVertex(event,trkEntries,seleTrksArray,nSeleTrks,seleFlags,evtNumber);
- // 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(" Selected tracks: %d\n",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 *twoTrackArrayV0 = 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;
+ AliAODv0 *v0 = 0;
+ AliESDv0 *esdV0 = 0;
+
+ Bool_t massCutOK=kTRUE;
+
// 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));
+ //if(iTrkP1%1==0) printf(" 1st loop on pos: track number %d of %d\n",iTrkP1,nSeleTrks);
+
// get track from tracks array
- postrack1 = (AliESDtrack*)trksP.UncheckedAt(iTrkP1);
-
+ postrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP1);
+
+ if(!TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue;
+
+ // Make cascades with V0+track
+ //
+ if(fCascades) {
+ // loop on V0's
+ for(iv0=0; iv0<nv0; iv0++){
+
+ AliDebug(1,Form(" loop on v0s for track number %d and v0 number %d",iTrkP1,iv0));
+
+ // Get the V0
+ if(fInputAOD) {
+ v0 = ((AliAODEvent*)event)->GetV0(iv0);
+ } else {
+ esdV0 = ((AliESDEvent*)event)->GetV0(iv0);
+ }
+ if ( (!v0 || !v0->IsA()->InheritsFrom("AliAODv0") ) &&
+ (!esdV0 || !esdV0->IsA()->InheritsFrom("AliESDv0") ) ) continue;
+
+
+ // Get the tracks that form the V0
+ // ( parameters at primary vertex )
+ // and define an AliExternalTrackParam out of them
+ AliExternalTrackParam * posV0track;
+ AliExternalTrackParam * negV0track;
+
+ if(fInputAOD){
+ AliAODTrack *posVV0track = (AliAODTrack*)(v0->GetDaughter(0));
+ AliAODTrack *negVV0track = (AliAODTrack*)(v0->GetDaughter(1));
+ if( !posVV0track || !negVV0track ) continue;
+ //
+ // Apply some basic V0 daughter criteria
+ //
+ // bachelor must not be a v0-track
+ if (posVV0track->GetID() == postrack1->GetID() ||
+ negVV0track->GetID() == postrack1->GetID()) continue;
+ // reject like-sign v0
+ if ( posVV0track->Charge() == negVV0track->Charge() ) continue;
+ // avoid ghost TPC tracks
+ if(!(posVV0track->GetStatus() & AliESDtrack::kTPCrefit) ||
+ !(negVV0track->GetStatus() & AliESDtrack::kTPCrefit)) continue;
+ // Get AliExternalTrackParam out of the AliAODTracks
+ Double_t xyz[3], pxpypz[3], cv[21]; Short_t sign;
+ posVV0track->PxPyPz(pxpypz); posVV0track->XvYvZv(xyz);
+ posVV0track->GetCovarianceXYZPxPyPz(cv); sign=posVV0track->Charge();
+ posV0track = new AliExternalTrackParam(xyz,pxpypz,cv,sign);
+ negVV0track->PxPyPz(pxpypz); negVV0track->XvYvZv(xyz);
+ negVV0track->GetCovarianceXYZPxPyPz(cv); sign=negVV0track->Charge();
+ negV0track = new AliExternalTrackParam(xyz,pxpypz,cv,sign);
+ } else {
+ AliESDtrack *posVV0track = (AliESDtrack*)(event->GetTrack( esdV0->GetPindex() ));
+ AliESDtrack *negVV0track = (AliESDtrack*)(event->GetTrack( esdV0->GetNindex() ));
+ if( !posVV0track || !negVV0track ) continue;
+ //
+ // Apply some basic V0 daughter criteria
+ //
+ // bachelor must not be a v0-track
+ if (posVV0track->GetID() == postrack1->GetID() ||
+ negVV0track->GetID() == postrack1->GetID()) continue;
+ // reject like-sign v0
+ if ( posVV0track->Charge() == negVV0track->Charge() ) continue;
+ // avoid ghost TPC tracks
+ if(!(posVV0track->GetStatus() & AliESDtrack::kTPCrefit) ||
+ !(negVV0track->GetStatus() & AliESDtrack::kTPCrefit)) continue;
+ // reject kinks (only necessary on AliESDtracks)
+ if (posVV0track->GetKinkIndex(0)>0 || negVV0track->GetKinkIndex(0)>0) continue;
+ // Get AliExternalTrackParam out of the AliESDtracks
+ posV0track = new AliExternalTrackParam(*posVV0track);
+ negV0track = new AliExternalTrackParam(*negVV0track);
+
+ // Define the AODv0 from ESDv0 if reading ESDs
+ v0 = TransformESDv0toAODv0(esdV0,twoTrackArrayV0);
+ }
+ if( !posV0track || !negV0track ){
+ AliDebug(1,Form(" Couldn't get the V0 daughters"));
+ continue;
+ }
+
+ // fill in the v0 two-external-track-param array
+ twoTrackArrayV0->AddAt(posV0track,0);
+ twoTrackArrayV0->AddAt(negV0track,1);
+
+ // Get the V0 dca
+ dcaV0 = v0->DcaV0Daughters();
+
+ // Define the V0 (neutral) track
+ AliNeutralTrackParam *trackV0;
+ if(fInputAOD) {
+ const AliVTrack *trackVV0 = dynamic_cast<const AliVTrack*>(v0);
+ if(trackVV0) trackV0 = new AliNeutralTrackParam(trackVV0);
+ } else {
+ Double_t xyz[3], pxpypz[3];
+ esdV0->XvYvZv(xyz);
+ esdV0->PxPyPz(pxpypz);
+ Double_t cv[21]; for(int i=0; i<21; i++) cv[i]=0;
+ trackV0 = new AliNeutralTrackParam(xyz,pxpypz,cv,0);
+ }
+ // Fill in the object array to create the cascade
+ twoTrackArrayCasc->AddAt(postrack1,0);
+ twoTrackArrayCasc->AddAt(trackV0,1);
+
+ // Compute the cascade vertex
+ AliAODVertex *vertexCasc = 0;
+ if(fFindVertexForCascades) {
+ // DCA between the two tracks
+ dcaCasc = postrack1->GetDCA(trackV0,fBzkG,xdummy,ydummy);
+ // Vertexing+
+ vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE);
+ } else {
+ // assume Cascade 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) {
+ delete posV0track; posV0track=NULL;
+ delete negV0track; negV0track=NULL;
+ delete trackV0; trackV0=NULL;
+ if(!fInputAOD) {delete v0; v0=NULL;}
+ twoTrackArrayCasc->Clear();
+ continue;
+ }
+
+ // Create and store the Cascade if passed the cuts
+ ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,v0,dcaCasc,okCascades);
+ if(okCascades && ioCascade) {
+ AliDebug(1,Form("Storing a cascade object... "));
+ // add the vertex and the cascade to the AOD
+ AliAODVertex *vCasc = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexCasc);
+ rc = new(aodCascadesRef[iCascades++])AliAODRecoCascadeHF(*ioCascade);
+ rc->SetSecondaryVtx(vCasc);
+ vCasc->SetParent(rc);
+ rc->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
+ if(!fInputAOD) vCasc->AddDaughter(v0); // just to fill ref #0 ??
+ AddRefs(vCasc,rc,event,twoTrackArrayCasc); // add the track (proton)
+ vCasc->AddDaughter(v0); // fill the 2prong V0
+ }
+
+ // Clean up
+ delete posV0track; posV0track=NULL;
+ delete negV0track; negV0track=NULL;
+ delete trackV0; trackV0=NULL;
+ twoTrackArrayV0->Clear();
+ twoTrackArrayCasc->Clear();
+ if(ioCascade) { delete ioCascade; ioCascade=NULL; }
+ if(vertexCasc) { delete vertexCasc; vertexCasc=NULL; }
+ if(!fInputAOD) {delete v0; v0=NULL;}
+
+ } // end loop on V0's
+ }
+
+ // If there is less than 2 particles continue
+ if(trkEntries<2) {
+ AliDebug(1,Form(" Not enough tracks: %d",trkEntries));
+ continue;
+ }
+
+ if(postrack1->Charge()<0 && !fLikeSign) 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%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks));
+ //if(iTrkN1%1==0) printf(" 1st loop on neg: track number %d of %d\n",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);
- 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()};
+
+ // 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(!isLikeSign2Prong) {
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);
+ rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
}
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...
+ rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ...
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
}
- //printf("DCA: %f\n",rd->GetDCA());
+ } else { // isLikeSign2Prong
+ rd = new(aodLikeSign2ProngRef[iLikeSign2Prong++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
+ }
+ }
+ // D* candidates
+ if(fDstar && okD0fromDstar && !isLikeSign2Prong) {
+ // write references in io2Prong
+ if(fInputAOD) {
+ AddDaughterRefs(vertexp1n1,event,twoTrackArray1);
} else {
- if(okD0) new(aodD0toKpiRef[iD0toKpi++]) AliAODRecoDecayHF2Prong(*io2Prong);
- if(okJPSI) new(aodJPSItoEleRef[iJPSItoEle++]) AliAODRecoDecayHF2Prong(*io2Prong);
+ 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);
+ rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
+ 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);
+ rc = new(aodDstarRef[iDstar++])AliAODRecoCascadeHF(*ioCascade);
+ rc->SetSecondaryVtx(vCasc);
+ vCasc->SetParent(rc);
+ if(!fInputAOD) vCasc->AddDaughter(rd); // just to fill ref #0
+ AddRefs(vCasc,rc,event,twoTrackArrayCasc);
+ vCasc->AddDaughter(rd); // add the D0 (in ref #1)
+ }
+ 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;}
+
}
- //delete io2Prong;
- 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(dcap1p2>dcaMax) { postrack2=0; continue; }
+
+ // check invariant mass cuts for D+,Ds,Lc
+ massCutOK=kTRUE;
+ if(f3Prong) {
+ 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);
+ }
+ if(fMassCutBeforeVertexing)
+ massCutOK = SelectInvMass(threeTrackArray);
+ }
+
+ if(f3Prong && !massCutOK) {
+ threeTrackArray->Clear();
+ if(!f4Prong) {
+ postrack2=0;
+ continue;
+ }
+ }
// Vertexing
twoTrackArray2->AddAt(postrack2,0);
twoTrackArray2->AddAt(negtrack1,1);
- AliESDVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2);
+ AliAODVertex *vertexp2n1 = ReconstructSecondaryVertex(twoTrackArray2,dispersion);
if(!vertexp2n1) {
twoTrackArray2->Clear();
postrack2=0;
- continue;
+ 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);
+
+ // 3 prong candidates
+ if(f3Prong && massCutOK) {
+
+ 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(!isLikeSign3Prong) {
+ rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ AddRefs(v3Prong,rd,event,threeTrackArray);
+ } else { // isLikeSign3Prong
+ rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ AddRefs(v3Prong,rd,event,threeTrackArray);
}
}
- if(io3Prong) { /*delete 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 < fCutsD0toKpipipi->GetDCACut()
+ && dcap2n1 < fCutsD0toKpipipi->GetDCACut()) {
+
+ // 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; }
- // Vertexing
+ if(dcap1n2 > fCutsD0toKpipipi->GetDCACut()) { negtrack2=0; continue; }
+ dcap2n2 = postrack2->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
+ if(dcap2n2 > fCutsD0toKpipipi->GetDCACut()) { negtrack2=0; continue; }
+
+
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);
+
+ // check invariant mass cuts for D0
+ massCutOK=kTRUE;
+ if(fMassCutBeforeVertexing)
+ massCutOK = SelectInvMass(fourTrackArray);
+
+ if(!massCutOK) {
+ fourTrackArray->Clear();
+ negtrack2=0;
+ continue;
+ }
+
+ // Vertexing
+ AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion);
+ io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp1n1p2,dcap1n1,dcap1n2,dcap2n1,dcap2n2,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);
+ rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong);
+ rd->SetSecondaryVtx(v4Prong);
+ v4Prong->SetParent(rd);
+ AddRefs(v4Prong,rd,event,fourTrackArray);
}
- if(io4Prong) { /*delete 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);
if(dcan1n2>dcaMax) { negtrack2=0; continue; }
+
+ threeTrackArray->AddAt(negtrack1,0);
+ threeTrackArray->AddAt(postrack1,1);
+ threeTrackArray->AddAt(negtrack2,2);
+
+ // check invariant mass cuts for D+,Ds,Lc
+ massCutOK=kTRUE;
+ if(fMassCutBeforeVertexing && f3Prong)
+ massCutOK = SelectInvMass(threeTrackArray);
+
+ if(!massCutOK) {
+ threeTrackArray->Clear();
+ negtrack2=0;
+ continue;
+ }
// Vertexing
twoTrackArray2->AddAt(postrack1,0);
twoTrackArray2->AddAt(negtrack2,1);
- AliESDVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2);
+
+ AliAODVertex *vertexp1n2 = ReconstructSecondaryVertex(twoTrackArray2,dispersion);
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);
+ 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(!isLikeSign3Prong) {
+ rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ AddRefs(v3Prong,rd,event,threeTrackArray);
+ } else { // isLikeSign3Prong
+ rd = new(aodLikeSign3ProngRef[iLikeSign3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
+ rd->SetSecondaryVtx(v3Prong);
+ v3Prong->SetParent(rd);
+ AddRefs(v3Prong,rd,event,threeTrackArray);
}
}
- if(io3Prong) { /*delete io3Prong;*/ io3Prong=NULL; }
+ if(io3Prong) {delete io3Prong; io3Prong=NULL;}
+ if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;}
}
+ threeTrackArray->Clear();
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) {
- 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()));
+ }
+ if(fCascades){
+ AliDebug(1,Form(" cascades -> v0 + track in event = %d;\n",
+ (Int_t)aodCascadesTClArr->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()));
}
- //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;
+ twoTrackArrayV0->Delete(); delete twoTrackArrayV0;
threeTrackArray->Clear();
threeTrackArray->Delete(); delete threeTrackArray;
- //printf("delete fourTr 1\n");
- fourTrackArray->Delete(); delete fourTrackArray;
+ fourTrackArray->Delete(); delete fourTrackArray;
+ delete [] seleFlags; seleFlags=NULL;
+ if(evtNumber) {delete [] evtNumber; evtNumber=NULL;}
- //------- END SINGLE EVENT ANALYSIS --------------------------------
+ if(fInputAOD) {
+ seleTrksArray.Delete();
+ if(fAODMap) { delete fAODMap; fAODMap=NULL; }
+ }
return;
}
//----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::FindCandidates(AliESDEvent *esd,TTree *treeout[])
+void AliAnalysisVertexingHF::AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,
+ const AliVEvent *event,
+ const 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();
+ // Add the AOD tracks as daughters of the vertex (TRef)
+ // Also add the references to the primary vertex and to the cuts
+
+ if(fInputAOD) {
+ AddDaughterRefs(v,event,trkArray);
+ rd->SetPrimaryVtxRef((AliAODVertex*)event->GetPrimaryVertex());
}
- if(f3Prong) {
- itree3Prong=itree;
- treeout[itree]->SetBranchAddress("Charmto3Prong",&io3Prong);
- itree++;
- initEntries3Prong = treeout[itree3Prong]->GetEntries();
+
+ /*
+ rd->SetListOfCutsRef((TList*)fListOfCuts);
+ //fListOfCuts->Print();
+ cout<<fListOfCuts<<endl;
+ TList *l=(TList*)rd->GetListOfCuts();
+ cout<<l<<endl;
+ if(l) {l->Print(); }else{printf("error\n");}
+ */
+
+ return;
+}
+//----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v,
+ const AliVEvent *event,
+ const TObjArray *trkArray) const
+{
+ // Add the AOD tracks as daughters of the vertex (TRef)
+
+ Int_t nDg = v->GetNDaughters();
+ TObject *dg = 0;
+ if(nDg) dg = v->GetDaughter(0);
+
+ if(dg) return; // daughters already added
+
+ Int_t nTrks = trkArray->GetEntriesFast();
+
+ AliExternalTrackParam *track = 0;
+ AliAODTrack *aodTrack = 0;
+ Int_t id;
+
+ 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);
}
- 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);
+ return;
+}
+//---------------------------------------------------------------------------
+void AliAnalysisVertexingHF::FixReferences(AliAODEvent *aod)
+{
+ // Checks that the references to the daughter tracks are properly
+ // assigned and reassigns them if needed
+ //
+
- fBzkG = (Double_t)esd->GetMagneticField();
+ TClonesArray *inputArray=(TClonesArray*)aod->GetList()->FindObject("VerticesHF");
+ if(!inputArray) return;
- trkEntries = (Int_t)esd->GetNumberOfTracks();
- printf(" Number of tracks: %d\n",trkEntries);
- if(trkEntries<2) return;
+ AliAODTrack *track = 0;
+ AliAODVertex *vertex = 0;
- // retrieve primary vertex from the AliESDEvent
- if(!esd->GetPrimaryVertex()) {
- printf(" No vertex in AliESD\n");
- return;
+ Bool_t needtofix=kFALSE;
+ for(Int_t iv=0; iv<inputArray->GetEntriesFast(); iv++) {
+ vertex = (AliAODVertex*)inputArray->UncheckedAt(iv);
+ for(Int_t id=0; id<vertex->GetNDaughters(); id++) {
+ track = (AliAODTrack*)vertex->GetDaughter(id);
+ if(!track->GetStatus()) needtofix=kTRUE;
+ }
+ if(needtofix) break;
}
- 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);
+ if(!needtofix) return;
- 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);
+ printf("Fixing references\n");
- // 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);
+ fAODMapSize = 100000;
+ fAODMap = new Int_t[fAODMapSize];
- // 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;
- }
+ for(Int_t i=0; i<aod->GetNumberOfTracks(); i++) {
+ track = aod->GetTrack(i);
- 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; }
+ // skip pure ITS SA tracks
+ if(track->GetStatus()&AliESDtrack::kITSpureSA) 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; }
+ // skip tracks without ITS
+ if(!(track->GetStatus()&AliESDtrack::kITSin)) 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();
+ // TEMPORARY: check that the cov matrix is there
+ Double_t covtest[21];
+ if(!track->GetCovarianceXYZPxPyPz(covtest)) continue;
+ //
- negtrack1 = 0;
- delete vertexp1n1;
- } // end 1st loop on negative tracks
+ fAODMap[(Int_t)track->GetID()] = i;
+ }
- postrack1 = 0;
- } // end 1st loop on positive tracks
+
+ Int_t ids[4]={-1,-1,-1,-1};
+ for(Int_t iv=0; iv<inputArray->GetEntriesFast(); iv++) {
+ Bool_t cascade=kFALSE;
+ vertex = (AliAODVertex*)inputArray->UncheckedAt(iv);
+ Int_t id=0;
+ Int_t nDgs = vertex->GetNDaughters();
+ for(id=0; id<nDgs; id++) {
+ track = (AliAODTrack*)vertex->GetDaughter(id);
+ if(track->Charge()==0) {cascade=kTRUE; continue;} // cascade
+ ids[id]=(Int_t)track->GetID();
+ vertex->RemoveDaughter(track);
+ }
+ if(cascade) continue;
+ for(id=0; id<nDgs; id++) {
+ track = aod->GetTrack(fAODMap[ids[id]]);
+ vertex->AddDaughter(track);
+ }
+ }
+ 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
- //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;
+ okDstar = kFALSE;
+ Bool_t dummy1,dummy2,dummy3;
- // create a copy of this class to be written to output file
- //AliAnalysisVertexingHF *copy = (AliAnalysisVertexingHF*)this->Clone("AnalysisVertexingHF");
+ // 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;
- // 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());
- }
- 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());
+ // 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);
}
- 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());
+ // select D*->D0pi
+ if(fDstar) {
+ okDstar = (Bool_t)fCutsDStartoKpipi->IsSelected(tmpCascade,AliRDHFCuts::kCandidate);
}
- 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());
+ tmpCascade->GetSecondaryVtx()->RemoveDaughters();
+ tmpCascade->UnsetOwnPrimaryVtx();
+ delete tmpCascade; tmpCascade=NULL;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ rd2Prong->UnsetOwnPrimaryVtx();
}
+ if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;}
+ //---
+
+ return theCascade;
+}
- return;
-}
//----------------------------------------------------------------------------
+AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade(
+ TObjArray *twoTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,
+ AliAODv0 *v0,
+ Double_t dca,
+ Bool_t &okCascades) const
+{
+ //
+ // Make the cascade as a 2Prong decay and check if it passes
+ // cascades reconstruction cuts
+
+ // AliDebug(2,Form(" building the cascade"));
+ okCascades= 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;
+
+ // bachelor track and charge
+ AliESDtrack *trackBachelor = (AliESDtrack*)twoTrackArray->UncheckedAt(0);
+ theCascade->SetCharge(trackBachelor->Charge());
+
+ //--- selection cuts
+ //
+ AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade);
+ tmpCascade->GetSecondaryVtx()->AddDaughter(trackBachelor);
+ tmpCascade->GetSecondaryVtx()->AddDaughter(v0);
+ AliAODVertex *primVertexAOD=0;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
+ // take event primary vertex
+ primVertexAOD = PrimaryVertex();
+ if(!primVertexAOD) primVertexAOD = (AliAODVertex*)event->GetPrimaryVertex();
+ tmpCascade->SetOwnPrimaryVtx(primVertexAOD);
+ }
+
+ // select Cascades
+ if(fCascades && fInputAOD){
+ okCascades = (Bool_t)fCutsLctoV0->IsSelected(tmpCascade,AliRDHFCuts::kCandidate);
+ }
+ else { AliDebug(2,Form("The cascade is contructed from ESDs, no cuts are applied")); okCascades=kTRUE; }// no cuts implemented from ESDs
+ tmpCascade->GetSecondaryVtx()->RemoveDaughters();
+ tmpCascade->UnsetOwnPrimaryVtx();
+ delete tmpCascade; tmpCascade=NULL;
+ if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;}
+ //---
+
+ 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);
+ delete primVertexAOD; primVertexAOD=NULL;
+
+ if(postrack->Charge()!=0 && negtrack->Charge()!=0) { // don't apply these cuts if it's a Dstar
+ // select D0->Kpi
+ if(fD0toKpi) okD0 = (Bool_t)fCutsD0toKpi->IsSelected(the2Prong,AliRDHFCuts::kCandidate);
+ //if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0);
+ // select J/psi from B
+ if(fJPSItoEle) okJPSI = (Bool_t)fCutsJpsitoee->IsSelected(the2Prong,AliRDHFCuts::kCandidate);
+ //if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI);
+ // select D0->Kpi from Dstar
+ if(fDstar) okD0fromDstar = (Bool_t)fCutsDStartoKpipi->IsD0FromDStarSelected(the2Prong->Pt(),the2Prong,AliRDHFCuts::kCandidate);
+ //if(fDebug && fDstar) printf(" %d\n",(Int_t)okD0fromDstar);
+ }
- // select D0->Kpi
- Int_t 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(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI);
-
-
- 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);
- 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,
+ const AliAODVertex *vertexp1n1,const 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 || !vertexp1n1 || !vertexp2n1) 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(fMassCutBeforeVertexing) okMassCut=kTRUE; // mass cut already done and passed
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);
+ delete primVertexAOD; primVertexAOD=NULL;
// select D+->Kpipi, Ds->KKpi, Lc->pKpi
if(f3Prong) {
ok3Prong = kFALSE;
- Int_t ok1,ok2;
- if(the3Prong->SelectDplus(fDplusCuts)) ok3Prong = kTRUE;
- if(the3Prong->SelectDs(fDsCuts,ok1,ok2)) ok3Prong = kTRUE;
- if(the3Prong->SelectLc(fLcCuts,ok1,ok2)) ok3Prong = kTRUE;
+
+ if(fCutsDplustoKpipi->IsSelected(the3Prong,AliRDHFCuts::kCandidate)) ok3Prong = kTRUE;
+ if(fCutsDstoKKpi->IsSelected(the3Prong,AliRDHFCuts::kCandidate)) ok3Prong = kTRUE;
+ if(fCutsLctopKpi->IsSelected(the3Prong,AliRDHFCuts::kCandidate)) 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(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the3Prong->UnsetOwnPrimaryVtx();
}
- if(ownPrimVertex) delete ownPrimVertex;
+ // 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,AliESDEvent *esd,
- AliESDVertex *vertexp1n1,AliESDVertex *vertexp2n1,
- Double_t dcap1n1,Double_t dcap1n2,Double_t dcap2n1,
- Bool_t &ok4Prong) const
+ TObjArray *fourTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,
+ const AliAODVertex *vertexp1n1,
+ const 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 || !vertexp1n1 || !vertexp1n1p2) 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);
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;
- //}
-
- 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;
- }
- }
+ Bool_t okMassCut=kFALSE;
+ if(fMassCutBeforeVertexing) okMassCut=kTRUE; // mass cut already done and passed
+ if(!okMassCut && !(fCutsD0toKpipipi->GetUsePID())) { //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 = PrimaryVertex(fourTrackArray,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]);
+ 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
- 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 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 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);
+ Double_t pos[3]; primVertexAOD->GetXYZ(pos);
+ 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 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,dist3,dist4,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);
+ 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 ...
+ ok4Prong=(Bool_t)fCutsD0toKpipipi->IsSelected(the4Prong,AliRDHFCuts::kCandidate);
+ 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);
-
- if(ownPrimVertex) delete ownPrimVertex;
-
+
return the4Prong;
}
//-----------------------------------------------------------------------------
-AliESDVertex* AliAnalysisVertexingHF::OwnPrimaryVertex(Int_t ntrks,
- TObjArray *trkArray,
- AliESDEvent *esd) const
+AliAODVertex* AliAnalysisVertexingHF::PrimaryVertex(const 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.*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[1000];
+ 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;
+ }
+ // 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)vtrack->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 {
if(fRmTrksFromPrimVtx) printf("RmTrksFromPrimVtx\n");
if(fD0toKpi) {
printf("Reconstruct D0->Kpi candidates with cuts:\n");
- printf(" |M-MD0| [GeV] < %f\n",fD0toKpiCuts[0]);
- printf(" dca [cm] < %f\n",fD0toKpiCuts[1]);
- printf(" cosThetaStar < %f\n",fD0toKpiCuts[2]);
- printf(" pTK [GeV/c] > %f\n",fD0toKpiCuts[3]);
- printf(" pTpi [GeV/c] > %f\n",fD0toKpiCuts[4]);
- printf(" |d0K| [cm] < %f\n",fD0toKpiCuts[5]);
- printf(" |d0pi| [cm] < %f\n",fD0toKpiCuts[6]);
- printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]);
- printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]);
+ if(fCutsD0toKpi) fCutsD0toKpi->PrintAll();
+ }
+ if(fDstar) {
+ printf("Reconstruct D*->D0pi candidates with cuts:\n");
+ if(fFindVertexForDstar) {
+ printf(" Reconstruct a secondary vertex for the D*\n");
+ } else {
+ printf(" Assume the D* comes from the primary vertex\n");
+ }
+ if(fCutsDStartoKpipi) fCutsDStartoKpipi->PrintAll();
}
if(fJPSItoEle) {
printf("Reconstruct J/psi from B candidates with cuts:\n");
- printf(" |M-MJPSI| [GeV] < %f\n",fBtoJPSICuts[0]);
- printf(" dca [cm] < %f\n",fBtoJPSICuts[1]);
- printf(" cosThetaStar < %f\n",fBtoJPSICuts[2]);
- printf(" pTP [GeV/c] > %f\n",fBtoJPSICuts[3]);
- printf(" pTN [GeV/c] > %f\n",fBtoJPSICuts[4]);
- printf(" |d0P| [cm] < %f\n",fBtoJPSICuts[5]);
- printf(" |d0N| [cm] < %f\n",fBtoJPSICuts[6]);
- printf(" d0d0 [cm^2] < %f\n",fBtoJPSICuts[7]);
- printf(" cosThetaPoint > %f\n",fBtoJPSICuts[8]);
+ if(fCutsJpsitoee) fCutsJpsitoee->PrintAll();
}
if(f3Prong) {
printf("Reconstruct 3 prong candidates.\n");
printf(" D+->Kpipi cuts:\n");
- printf(" |M-MD+| [GeV] < %f\n",fDplusCuts[0]);
- printf(" pTK [GeV/c] > %f\n",fDplusCuts[1]);
- printf(" pTPi [GeV/c] > %f\n",fDplusCuts[2]);
- printf(" |d0K| [cm] > %f\n",fDplusCuts[3]);
- printf(" |d0Pi| [cm] > %f\n",fDplusCuts[4]);
- printf(" dist12 [cm] < %f\n",fDplusCuts[5]);
- printf(" sigmavert [cm] < %f\n",fDplusCuts[6]);
- printf(" dist prim-sec [cm] > %f\n",fDplusCuts[7]);
- printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDplusCuts[8]);
- printf(" cosThetaPoint > %f\n",fDplusCuts[9]);
- printf(" Sum d0^2 [cm^2] > %f\n",fDplusCuts[10]);
- printf(" dca cut [cm] < %f\n",fDplusCuts[11]);
- printf(" Ds->KKpi cuts:\n");
- printf(" |M-MDs| [GeV] < %f\n",fDsCuts[0]);
- printf(" pTK [GeV/c] > %f\n",fDplusCuts[1]);
- printf(" pTPi [GeV/c] > %f\n",fDplusCuts[2]);
- printf(" |d0K| [cm] > %f\n",fDplusCuts[3]);
- printf(" |d0Pi| [cm] > %f\n",fDplusCuts[4]);
- printf(" dist12 [cm] < %f\n",fDplusCuts[5]);
- printf(" sigmavert [cm] < %f\n",fDplusCuts[6]);
- printf(" dist prim-sec [cm] > %f\n",fDplusCuts[7]);
- printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDplusCuts[8]);
- printf(" cosThetaPoint > %f\n",fDplusCuts[9]);
- printf(" Sum d0^2 [cm^2] > %f\n",fDplusCuts[10]);
- printf(" dca cut [cm] < %f\n",fDplusCuts[11]);
- printf(" Lc->pKpi cuts:\n");
- printf(" |M-MLc| [GeV] < %f\n",fLcCuts[0]);
- printf(" pTP [GeV/c] > %f\n",fDplusCuts[1]);
- printf(" pTPi and pTK [GeV/c] > %f\n",fDplusCuts[2]);
- printf(" |d0P| [cm] > %f\n",fDplusCuts[3]);
- printf(" |d0Pi| and |d0K| [cm] > %f\n",fDplusCuts[4]);
- printf(" dist12 [cm] < %f\n",fDplusCuts[5]);
- printf(" sigmavert [cm] < %f\n",fDplusCuts[6]);
- printf(" dist prim-sec [cm] > %f\n",fDplusCuts[7]);
- printf(" pM=Max{pT1,pT2,pT3} [GeV/c] > %f\n",fDplusCuts[8]);
- printf(" cosThetaPoint > %f\n",fDplusCuts[9]);
- printf(" Sum d0^2 [cm^2] > %f\n",fDplusCuts[10]);
- printf(" dca cut [cm] < %f\n",fDplusCuts[11]);
+ if(fCutsDplustoKpipi) fCutsDplustoKpipi->PrintAll();
printf(" Ds->KKpi cuts:\n");
- printf(" |M-MDs| [GeV] < %f\n",fDsCuts[0]);
+ if(fCutsDstoKKpi) fCutsDstoKKpi->PrintAll();
printf(" Lc->pKpi cuts:\n");
- printf(" |M-MD+| [GeV] < %f\n",fLcCuts[0]);
+ if(fCutsLctopKpi) fCutsLctopKpi->PrintAll();
+ }
+ if(f4Prong) {
+ printf("Reconstruct 4 prong candidates.\n");
+ printf(" D0->Kpipipi cuts:\n");
+ if(fCutsD0toKpipipi) fCutsD0toKpipipi->PrintAll();
+ }
+ if(fCascades) {
+ printf("Reconstruct cascades candidates formed with v0s.\n");
+ printf(" Lc -> k0s P & Lc -> L Pi cuts:\n");
+ if(fCutsLctoV0) fCutsLctoV0->PrintAll();
}
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(TObjArray *trkArray) const {
+ // Invariant mass cut on tracks
+
+ Int_t nProngs=trkArray->GetEntriesFast();
+ Int_t retval=kFALSE;
+
+ Double_t momentum[3];
+ Double_t px3[3],py3[3],pz3[3];
+ Double_t px4[4],py4[4],pz4[4];
+ AliESDtrack *postrack1=0;
+ AliESDtrack *postrack2=0;
+ AliESDtrack *negtrack1=0;
+ AliESDtrack *negtrack2=0;
+
+ switch(nProngs) {
+ case 3:
+ // invariant mass cut for D+, Ds, Lc
+ postrack1 = (AliESDtrack*)trkArray->UncheckedAt(0);
+ negtrack1 = (AliESDtrack*)trkArray->UncheckedAt(1);
+ postrack2 = (AliESDtrack*)trkArray->UncheckedAt(2);
+ postrack1->GetPxPyPz(momentum);
+ px3[0] = momentum[0]; py3[0] = momentum[1]; pz3[0] = momentum[2];
+ negtrack1->GetPxPyPz(momentum);
+ px3[1] = momentum[0]; py3[1] = momentum[1]; pz3[1] = momentum[2];
+ postrack2->GetPxPyPz(momentum);
+ px3[2] = momentum[0]; py3[2] = momentum[1]; pz3[2] = momentum[2];
+ retval = SelectInvMass(2,3,px3,py3,pz3);
+ break;
+ case 4:
+ // invariant mass cut for D0->4prong
+ postrack1 = (AliESDtrack*)trkArray->UncheckedAt(0);
+ negtrack1 = (AliESDtrack*)trkArray->UncheckedAt(1);
+ postrack2 = (AliESDtrack*)trkArray->UncheckedAt(2);
+ negtrack2 = (AliESDtrack*)trkArray->UncheckedAt(3);
+ postrack1->GetPxPyPz(momentum);
+ px4[0] = momentum[0]; py4[0] = momentum[1]; pz4[0] = momentum[2];
+ negtrack1->GetPxPyPz(momentum);
+ px4[1] = momentum[0]; py4[1] = momentum[1]; pz4[1] = momentum[2];
+ postrack2->GetPxPyPz(momentum);
+ px4[2] = momentum[0]; py4[2] = momentum[1]; pz4[2] = momentum[2];
+ negtrack2->GetPxPyPz(momentum);
+ px4[3] = momentum[0]; py4[3] = momentum[1]; pz4[3] = momentum[2];
+ retval = SelectInvMass(4,4,px4,py4,pz4);
+ break;
+ default:
+ printf("SelectInvMass(): wrong decay selection\n");
+ break;
+ }
+
+ return retval;
+}
+//-----------------------------------------------------------------------------
Bool_t AliAnalysisVertexingHF::SelectInvMass(Int_t decay,
Int_t nprongs,
Double_t *px,
Double_t *pz) const {
// Check invariant mass cut
- Short_t dummycharge=0;
- 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;
-
- UInt_t pdg2[2],pdg3[3];
+ UInt_t pdg2[2],pdg3[3],pdg4[4];
Double_t mPDG,minv;
Bool_t retval=kFALSE;
switch (decay)
{
case 0: // D0->Kpi
+ fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz);
pdg2[0]=211; pdg2[1]=321;
mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
- minv = rd->InvMass(nprongs,pdg2);
- if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE;
+ minv = fMassCalc2->InvMass(nprongs,pdg2);
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpi->GetMassCut()) retval=kTRUE;
pdg2[0]=321; pdg2[1]=211;
- minv = rd->InvMass(nprongs,pdg2);
- if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE;
+ minv = fMassCalc2->InvMass(nprongs,pdg2);
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpi->GetMassCut()) retval=kTRUE;
break;
case 1: // JPSI->ee
+ fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz);
pdg2[0]=11; pdg2[1]=11;
mPDG=TDatabasePDG::Instance()->GetParticle(443)->Mass();
- minv = rd->InvMass(nprongs,pdg2);
- if(TMath::Abs(minv-mPDG)<fBtoJPSICuts[0]) retval=kTRUE;
+ minv = fMassCalc2->InvMass(nprongs,pdg2);
+ if(TMath::Abs(minv-mPDG)<fCutsJpsitoee->GetMassCut()) retval=kTRUE;
break;
case 2: // D+->Kpipi
+ fMassCalc3->SetPxPyPzProngs(nprongs,px,py,pz);
pdg3[0]=211; pdg3[1]=321; pdg3[2]=211;
mPDG=TDatabasePDG::Instance()->GetParticle(411)->Mass();
- minv = rd->InvMass(nprongs,pdg3);
- if(TMath::Abs(minv-mPDG)<fDplusCuts[0]) retval=kTRUE;
+ minv = fMassCalc3->InvMass(nprongs,pdg3);
+ if(TMath::Abs(minv-mPDG)<fCutsDplustoKpipi->GetMassCut()) retval=kTRUE;
// Ds+->KKpi
pdg3[0]=321; pdg3[1]=321; pdg3[2]=211;
mPDG=TDatabasePDG::Instance()->GetParticle(431)->Mass();
- minv = rd->InvMass(nprongs,pdg3);
- if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE;
+ minv = fMassCalc3->InvMass(nprongs,pdg3);
+ if(TMath::Abs(minv-mPDG)<fCutsDstoKKpi->GetMassCut()) retval=kTRUE;
pdg3[0]=211; pdg3[1]=321; pdg3[2]=321;
- minv = rd->InvMass(nprongs,pdg3);
- if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE;
+ minv = fMassCalc3->InvMass(nprongs,pdg3);
+ if(TMath::Abs(minv-mPDG)<fCutsDstoKKpi->GetMassCut()) retval=kTRUE;
// Lc->pKpi
pdg3[0]=2212; pdg3[1]=321; pdg3[2]=211;
mPDG=TDatabasePDG::Instance()->GetParticle(4122)->Mass();
- minv = rd->InvMass(nprongs,pdg3);
- if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE;
+ minv = fMassCalc3->InvMass(nprongs,pdg3);
+ if(TMath::Abs(minv-mPDG)<fCutsLctopKpi->GetMassCut()) retval=kTRUE;
pdg3[0]=211; pdg3[1]=321; pdg3[2]=2212;
- minv = rd->InvMass(nprongs,pdg3);
- if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE;
+ minv = fMassCalc3->InvMass(nprongs,pdg3);
+ if(TMath::Abs(minv-mPDG)<fCutsLctopKpi->GetMassCut()) retval=kTRUE;
+ break;
+ case 3: // D*->D0pi
+ fMassCalc2->SetPxPyPzProngs(nprongs,px,py,pz);
+ pdg2[0]=211; pdg2[1]=421; // in twoTrackArrayCasc we put the pion first
+ mPDG=TDatabasePDG::Instance()->GetParticle(413)->Mass();
+ minv = fMassCalc2->InvMass(nprongs,pdg2);
+ if(TMath::Abs(minv-mPDG)<fCutsDStartoKpipi->GetMassCut()) retval=kTRUE;
+ break;
+ case 4: // D0->Kpipipi without PID
+ fMassCalc4->SetPxPyPzProngs(nprongs,px,py,pz);
+ pdg4[0]=321; pdg4[1]=211; pdg4[2]=211; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = fMassCalc4->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE;
+ pdg4[0]=211; pdg4[1]=321; pdg4[2]=211; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = fMassCalc4->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE;
+ pdg4[0]=211; pdg4[1]=211; pdg4[2]=321; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = fMassCalc4->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE;
+ pdg4[0]=211; pdg4[1]=211; pdg4[2]=211; pdg4[3]=321;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = fMassCalc4->InvMass(nprongs,pdg4);
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE;
break;
default:
+ printf("SelectInvMass(): wrong decay selection\n");
break;
}
- delete rd;
-
return retval;
}
//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SelectTracks(AliESDEvent *esd,
- TObjArray &trksP,Int_t &nTrksP,
- TObjArray &trksN,Int_t &nTrksN) const
+void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(const AliVEvent *event,
+ Int_t trkEntries,
+ 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
- nTrksP=0,nTrksN=0;
+ const AliVVertex *vprimary = event->GetPrimaryVertex();
- Int_t entries = (Int_t)esd->GetNumberOfTracks();
-
- // transfer ITS tracks from ESD to arrays and to a tree
- for(Int_t i=0; i<entries; i++) {
+ if(fV1) { delete fV1; fV1=NULL; }
+ if(fAODMap) { delete fAODMap; fAODMap=NULL; }
- AliESDtrack *esdtrack = esd->GetTrack(i);
- UInt_t status = esdtrack->GetStatus();
+ Int_t nindices=0;
+ UShort_t *indices = 0;
+ Double_t pos[3],cov[6];
- // require refit in ITS
- if(fITSrefit && !(status&AliESDtrack::kITSrefit)) {
- if(fDebug) printf("track %d is not kITSrefit\n",i);
- continue;
- }
+ 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()];
+ fAODMapSize = 100000;
+ fAODMap = new Int_t[fAODMapSize];
+ }
- // 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;
- }
- // 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++;
- }
+ 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);
- } // loop on ESD tracks
+ // skip pure ITS SA tracks
+ if(track->GetStatus()&AliESDtrack::kITSpureSA) continue;
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetD0toKpiCuts(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 selection
- fD0toKpiCuts[0] = cut0;
- fD0toKpiCuts[1] = cut1;
- fD0toKpiCuts[2] = cut2;
- fD0toKpiCuts[3] = cut3;
- fD0toKpiCuts[4] = cut4;
- fD0toKpiCuts[5] = cut5;
- fD0toKpiCuts[6] = cut6;
- fD0toKpiCuts[7] = cut7;
- fD0toKpiCuts[8] = cut8;
+ // skip tracks without ITS
+ if(!(track->GetStatus()&AliESDtrack::kITSin)) continue;
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetD0toKpiCuts(const Double_t cuts[9])
-{
- // Set the cuts for D0 selection
+ // TEMPORARY: check that the cov matrix is there
+ Double_t covtest[21];
+ if(!track->GetCovarianceXYZPxPyPz(covtest)) continue;
+ //
- for(Int_t i=0; i<9; i++) fD0toKpiCuts[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,
- Double_t cut7,Double_t cut8)
-{
- // Set the cuts for J/psi from B selection
- fBtoJPSICuts[0] = cut0;
- fBtoJPSICuts[1] = cut1;
- fBtoJPSICuts[2] = cut2;
- fBtoJPSICuts[3] = cut3;
- fBtoJPSICuts[4] = cut4;
- fBtoJPSICuts[5] = cut5;
- fBtoJPSICuts[6] = cut6;
- fBtoJPSICuts[7] = cut7;
- fBtoJPSICuts[8] = cut8;
-
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetBtoJPSICuts(const Double_t cuts[9])
-{
- // Set the cuts for J/psi from B selection
+ if(fInputAOD) {
+ AliAODTrack *aodt = (AliAODTrack*)track;
+ if(aodt->GetUsedForPrimVtxFit()) {
+ indices[nindices]=aodt->GetID(); nindices++;
+ }
+ fAODMap[(Int_t)aodt->GetID()] = i;
+ }
- for(Int_t i=0; i<9; i++) fBtoJPSICuts[i] = cuts[i];
+ AliESDtrack *esdt = 0;
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetDplusCuts(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,
- Double_t cut9,Double_t cut10,Double_t cut11)
-{
- // Set the cuts for Dplus->Kpipi selection
- fDplusCuts[0] = cut0;
- fDplusCuts[1] = cut1;
- fDplusCuts[2] = cut2;
- fDplusCuts[3] = cut3;
- fDplusCuts[4] = cut4;
- fDplusCuts[5] = cut5;
- fDplusCuts[6] = cut6;
- fDplusCuts[7] = cut7;
- fDplusCuts[8] = cut8;
- fDplusCuts[9] = cut9;
- fDplusCuts[10] = cut10;
- fDplusCuts[11] = cut11;
+ if(!fInputAOD) {
+ esdt = (AliESDtrack*)track;
+ } else {
+ esdt = new AliESDtrack(track);
+ }
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetDplusCuts(const Double_t cuts[12])
-{
- // Set the cuts for Dplus->Kpipi selection
+ // single track selection
+ okDisplaced=kFALSE; okSoftPi=kFALSE;
+ if(fMixEvent && i<trkEntries){
+ 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;
+ }
+ }
- for(Int_t i=0; i<12; i++) fDplusCuts[i] = cuts[i];
+ if(SingleTrkCuts(esdt,okDisplaced,okSoftPi) && nSeleTrks<trkEntries) {
+ 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; }
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetDsCuts(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,
- Double_t cut9,Double_t cut10,Double_t cut11)
-{
- // Set the cuts for Ds->KKpi selection
- fDsCuts[0] = cut0;
- fDsCuts[1] = cut1;
- fDsCuts[2] = cut2;
- fDsCuts[3] = cut3;
- fDsCuts[4] = cut4;
- fDsCuts[5] = cut5;
- fDsCuts[6] = cut6;
- fDsCuts[7] = cut7;
- fDsCuts[8] = cut8;
- fDsCuts[9] = cut9;
- fDsCuts[10] = cut10;
- fDsCuts[11] = cut11;
return;
}
//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetDsCuts(const Double_t cuts[12])
+Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk,
+ Bool_t &okDisplaced,Bool_t &okSoftPi) const
{
- // Set the cuts for Ds->KKpi selection
+ // Check if track passes some kinematical cuts
- for(Int_t i=0; i<12; i++) fDsCuts[i] = cuts[i];
+ // this is needed to store the impact parameters
+ trk->RelateToVertex(fV1,fBzkG,kVeryBig);
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetLcCuts(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,
- Double_t cut9,Double_t cut10,Double_t cut11)
-{
- // Set the cuts for Lc->pKpi selection
- fLcCuts[0] = cut0;
- fLcCuts[1] = cut1;
- fLcCuts[2] = cut2;
- fLcCuts[3] = cut3;
- fLcCuts[4] = cut4;
- fLcCuts[5] = cut5;
- fLcCuts[6] = cut6;
- fLcCuts[7] = cut7;
- fLcCuts[8] = cut8;
- fLcCuts[9] = cut9;
- fLcCuts[10] = cut10;
- fLcCuts[11] = cut11;
+ UInt_t selectInfo;
+ //
+ // Track selection, displaced tracks
+ selectInfo = 0;
+ if(fTrackFilter) {
+ selectInfo = fTrackFilter->IsSelected(trk);
+ }
+ if(selectInfo) okDisplaced=kTRUE;
- return;
-}
-//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SetLcCuts(const Double_t cuts[12])
-{
- // Set the cuts for Lc->pKpi selection
+ // Track selection, soft pions
+ selectInfo = 0;
+ if(fDstar && fTrackFilterSoftPi) {
+ selectInfo = fTrackFilterSoftPi->IsSelected(trk);
+ }
+ if(selectInfo) okSoftPi=kTRUE;
- for(Int_t i=0; i<12; i++) fLcCuts[i] = cuts[i];
+ if(okDisplaced || okSoftPi) return kTRUE;
- return;
+ return kFALSE;
}
-//-----------------------------------------------------------------------------
-Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack& trk) const
-{
- // Check if track passes some kinematical cuts
- if(TMath::Abs(trk.Pt()) < fMinPtCut) {
- //printf("pt %f\n",1./trk.GetParameter()[4]);
- return kFALSE;
- }
- 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;
- }
- return kTRUE;
-}
//-----------------------------------------------------------------------------
-AliESDVertex* AliAnalysisVertexingHF::ReconstructSecondaryVertex(TObjArray *trkArray) const
-{
- // Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle
-
- AliESDVertex *vertex = 0;
-
- 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);
-
+AliAODv0* AliAnalysisVertexingHF::TransformESDv0toAODv0(AliESDv0 *esdV0, TObjArray *twoTrackArrayV0){
+ //
+ // Transform ESDv0 to AODv0
+ //
+ // this function takes the ESDv0 vertex, computes the DCA variables from the ESDv0
+ // and creates an AODv0 out of them
+ //
+ Double_t vertex[3]; esdV0->GetXYZ(vertex[0],vertex[1],vertex[2]);
+ AliAODVertex *vertexV0 = new AliAODVertex(vertex,esdV0->GetChi2V0(),AliAODVertex::kV0,2);
+
+ // create the v0 neutral track to compute the DCA to the primary vertex
+ Double_t xyz[3], pxpypz[3];
+ esdV0->XvYvZv(xyz);
+ esdV0->PxPyPz(pxpypz);
+ Double_t cv[21]; for(int i=0; i<21; i++) cv[i]=0;
+ AliNeutralTrackParam *trackesdV0 = new AliNeutralTrackParam(xyz,pxpypz,cv,0);
+ if(!trackesdV0) {
+ delete vertexV0;
+ return 0;
}
-
- return vertex;
+ Double_t d0z0[2],covd0z0[3];
+ AliAODVertex *primVertexAOD = PrimaryVertex();
+ trackesdV0->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ Double_t dcaV0ToPrimVertex = TMath::Sqrt(covd0z0[0]);
+ // get the v0 daughters to compute their DCA to the v0 vertex and get their momentum
+ Double_t dcaV0DaughterToPrimVertex[2];
+ AliExternalTrackParam *posV0track = (AliExternalTrackParam*)twoTrackArrayV0->UncheckedAt(0);
+ AliExternalTrackParam *negV0track = (AliExternalTrackParam*)twoTrackArrayV0->UncheckedAt(1);
+ if( !posV0track || !negV0track) {
+ if(trackesdV0) {delete trackesdV0; trackesdV0=NULL;}
+ delete vertexV0;
+ delete primVertexAOD;
+ return 0;
+ }
+ posV0track->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ // if ( covd0z0[0]<=0.) dcaV0DaughterToPrimVertex[0] = 0;
+ // else
+ dcaV0DaughterToPrimVertex[0] = TMath::Sqrt(covd0z0[0]);
+ negV0track->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ // if ( covd0z0[0]<=0.)dcaV0DaughterToPrimVertex[1] = 0;
+ // else
+ dcaV0DaughterToPrimVertex[1] = TMath::Sqrt(covd0z0[0]);
+ Double_t dcaV0Daughters = esdV0->GetDcaV0Daughters();
+ Double_t pmom[3],nmom[3];
+ esdV0->GetNPxPyPz(nmom[0],nmom[1],nmom[2]);
+ esdV0->GetPPxPyPz(pmom[0],pmom[1],pmom[2]);
+
+ AliAODv0 *aodV0 = new AliAODv0(vertexV0,dcaV0Daughters,dcaV0ToPrimVertex,pmom,nmom,dcaV0DaughterToPrimVertex);
+ aodV0->SetOnFlyStatus(esdV0->GetOnFlyStatus());
+
+ if(trackesdV0) {delete trackesdV0; trackesdV0=NULL;}
+ if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;}
+
+ return aodV0;
}
//-----------------------------------------------------------------------------
-
-
-