// 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 <Riostream.h>
#include <TFile.h>
#include <TDatabasePDG.h>
#include <TString.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 "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 "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),
fJPSItoEle(kTRUE),
f3Prong(kTRUE),
f4Prong(kTRUE),
-fTrackFilter(0x0)
+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),
+fCutsD0fromDstar(0x0),
+fListOfCuts(0x0),
+fFindVertexForDstar(kTRUE),
+fFindVertexForCascades(kTRUE)
{
// Default constructor
SetDplusCuts();
SetDsCuts();
SetLcCuts();
-
+ SetDstarCuts();
+ SetD0to4ProngsCuts();
+ SetLctoV0Cuts();
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF::AliAnalysisVertexingHF(const AliAnalysisVertexingHF &source) :
TNamed(source),
fInputAOD(source.fInputAOD),
+fAODMapSize(source.fAODMapSize),
fAODMap(source.fAODMap),
fBzkG(source.fBzkG),
fSecVtxWithKF(source.fSecVtxWithKF),
fJPSItoEle(source.fJPSItoEle),
f3Prong(source.f3Prong),
f4Prong(source.f4Prong),
-fTrackFilter(source.fTrackFilter)
+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),
+fCutsD0fromDstar(source.fCutsD0fromDstar),
+fListOfCuts(source.fListOfCuts),
+fFindVertexForDstar(source.fFindVertexForDstar),
+fFindVertexForCascades(source.fFindVertexForCascades)
{
//
// Copy constructor
for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i];
for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i];
for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i];
- for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i];
- for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<14; i++) fDsCuts[i]=source.fDsCuts[i];
+ for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<8; i++) fLctoV0Cuts[i]=source.fLctoV0Cuts[i];
+ for(Int_t i=0; i<5; i++) fDstarCuts[i]=source.fDstarCuts[i];
+ for(Int_t i=0; i<9; i++) fD0to4ProngsCuts[i]=source.fD0to4ProngsCuts[i];
}
//--------------------------------------------------------------------------
AliAnalysisVertexingHF &AliAnalysisVertexingHF::operator=(const AliAnalysisVertexingHF &source)
//
if(&source == this) return *this;
fInputAOD = source.fInputAOD;
+ fAODMapSize = source.fAODMapSize;
fBzkG = source.fBzkG;
fSecVtxWithKF = source.fSecVtxWithKF;
fRecoPrimVtxSkippingTrks = source.fRecoPrimVtxSkippingTrks;
fJPSItoEle = source.fJPSItoEle;
f3Prong = source.f3Prong;
f4Prong = source.f4Prong;
+ 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;
+ fCutsD0fromDstar = source.fCutsD0fromDstar;
+ fListOfCuts = source.fListOfCuts;
+ fFindVertexForDstar = source.fFindVertexForDstar;
+ fFindVertexForCascades = source.fFindVertexForCascades;
for(Int_t i=0; i<9; i++) fD0toKpiCuts[i]=source.fD0toKpiCuts[i];
for(Int_t i=0; i<9; i++) fBtoJPSICuts[i]=source.fBtoJPSICuts[i];
for(Int_t i=0; i<12; i++) fDplusCuts[i]=source.fDplusCuts[i];
- for(Int_t i=0; i<13; i++) fDsCuts[i]=source.fDsCuts[i];
- for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<14; i++) fDsCuts[i]=source.fDsCuts[i];
+ for(Int_t i=0; i<12; i++) fLcCuts[i]=source.fLcCuts[i];
+ for(Int_t i=0; i<8; i++) fLctoV0Cuts[i]=source.fLctoV0Cuts[i];
+ for(Int_t i=0; i<5; i++) fDstarCuts[i]=source.fDstarCuts[i];
+ for(Int_t i=0; i<9; i++) fD0to4ProngsCuts[i]=source.fD0to4ProngsCuts[i];
return *this;
}
// 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(fCutsD0fromDstar) { delete fCutsD0fromDstar; fCutsD0fromDstar=0; }
+ if(fAODMap) { delete fAODMap; fAODMap=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(fCutsD0fromDstar) {
+ AliRDHFCutsD0toKpi *cutsD0fromDstar = new AliRDHFCutsD0toKpi(*fCutsD0fromDstar);
+ list->Add(cutsD0fromDstar);
+ }
+
+ // keep a pointer to the list
+ fListOfCuts = list;
+
+ return list;
}
//----------------------------------------------------------------------------
void AliAnalysisVertexingHF::FindCandidates(AliVEvent *event,
TClonesArray *aodD0toKpiTClArr,
TClonesArray *aodJPSItoEleTClArr,
TClonesArray *aodCharm3ProngTClArr,
- TClonesArray *aodCharm4ProngTClArr)
+ TClonesArray *aodCharm4ProngTClArr,
+ TClonesArray *aodDstarTClArr,
+ TClonesArray *aodCascadesTClArr,
+ TClonesArray *aodLikeSign2ProngTClArr,
+ TClonesArray *aodLikeSign3ProngTClArr)
{
// Find heavy-flavour vertex candidates
// Input: ESD or AOD
// Output: AOD (additional branches added)
+ if(!fMixEvent){
+ TString evtype = event->IsA()->GetName();
+ fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE);
+ } // if we do mixing AliVEvent is a AliMixedEvent
- TString evtype = event->IsA()->GetName();
- fInputAOD = ((evtype=="AliAODEvent") ? kTRUE : kFALSE);
+ if(fInputAOD) {
+ AliDebug(2,"Creating HF candidates from AOD");
+ } else {
+ AliDebug(2,"Creating HF candidates from ESD");
+ }
if(!aodVerticesHFTClArr) {
printf("ERROR: no aodVerticesHFTClArr");
return;
}
- if(fD0toKpi && !aodD0toKpiTClArr) {
+ if((fD0toKpi || fDstar) && !aodD0toKpiTClArr) {
printf("ERROR: no aodD0toKpiTClArr");
return;
}
printf("ERROR: no aodCharm4ProngTClArr");
return;
}
+ if(fDstar && !aodDstarTClArr) {
+ printf("ERROR: no aodDstarTClArr");
+ return;
+ }
+ if(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;
+ AliESDtrack *trackPi = 0;
+// AliESDtrack *posV0track = 0;
+// AliESDtrack *negV0track = 0;
+ /*
Double_t dcaMax = fD0toKpiCuts[1];
if(dcaMax < fBtoJPSICuts[1]) dcaMax=fBtoJPSICuts[1];
if(dcaMax < fDplusCuts[11]) dcaMax=fDplusCuts[11];
+ if(dcaMax < fD0to4ProngsCuts[1]) dcaMax=fD0to4ProngsCuts[1];
+ */
+ 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());
+
AliDebug(2,Form(" dca cut set to %f cm",dcaMax));
trkEntries = (Int_t)event->GetNumberOfTracks();
AliDebug(1,Form(" Number of tracks: %d",trkEntries));
- if(trkEntries<2) {
+ 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;
}
-
- const AliVVertex *primary = event->GetPrimaryVertex();
- if(!primary) {
- AliDebug(1," No primary vertex from tracks");
- return;
- }
- TString primTitle = primary->GetTitle();
- if(!primTitle.Contains("VertexerTracks")) {
- AliDebug(1," No primary vertex from tracks");
- return;
- }
+
+ // event selection
+ if(!fCutsD0toKpi->IsEventSelected(event)) return;
// call function that applies sigle-track selection,
- // separates positives and negatives,
+ // for displaced tracks and soft pions (both charges) for D*,
// and retrieves primary vertex
- TObjArray trksP(trkEntries/2);
- TObjArray trksN(trkEntries/2);
- SelectTracksAndCopyVertex(event,trksP,nTrksP,trksN,nTrksN);
+ TObjArray seleTrksArray(trkEntries);
+ UChar_t *seleFlags = new UChar_t[trkEntries]; // bit 0: displaced, bit 1: softpi
+ Int_t nSeleTrks=0;
+ Int_t *evtNumber = new Int_t[trkEntries];
+ SelectTracksAndCopyVertex(event,seleTrksArray,nSeleTrks,seleFlags,evtNumber);
- AliDebug(1,Form(" Pos. tracks: %d Neg. tracks: %d",nTrksP,nTrksN));
+ AliDebug(1,Form(" Selected tracks: %d",nSeleTrks));
- TObjArray *twoTrackArray1 = new TObjArray(2);
- TObjArray *twoTrackArray2 = new TObjArray(2);
- TObjArray *threeTrackArray = new TObjArray(3);
- TObjArray *fourTrackArray = new TObjArray(4);
+ TObjArray *twoTrackArray1 = new TObjArray(2);
+ TObjArray *twoTrackArray2 = new TObjArray(2);
+ TObjArray *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;
// LOOP ON POSITIVE TRACKS
- for(iTrkP1=0; iTrkP1<nTrksP; iTrkP1++) {
- if(iTrkP1%1==0) AliDebug(1,Form(" Processing positive track number %d of %d",iTrkP1,nTrksP));
+ for(iTrkP1=0; iTrkP1<nSeleTrks; iTrkP1++) {
+
+ if(iTrkP1%1==0) AliDebug(1,Form(" 1st loop on pos: track number %d of %d",iTrkP1,nSeleTrks));
+
// get track from tracks array
- postrack1 = (AliESDtrack*)trksP.UncheckedAt(iTrkP1);
-
+ postrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP1);
+
+ if(!TESTBIT(seleFlags[iTrkP1],kBitDispl)) continue;
+
+ // LOOP ON v0s here
+ //
+ if(fCascades)
+ 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 = dynamic_cast<AliExternalTrackParam*>(posVV0track);
+ negV0track = dynamic_cast<AliExternalTrackParam*>(negVV0track);
+ }
+ 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);
+
+ // Define the AODv0 from ESDv0 if reading ESDs
+ if(!fInputAOD) V0 = TransformESDv0toAODv0(esdV0,twoTrackArrayV0);
+
+ // 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) continue;
+ 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);
+ }
+ if(!trackV0){
+ AliDebug(1, Form("Couldn't define the V0 as a neutral track !! \n"));
+ continue;
+ }
+ // 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) {
+ 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
+ twoTrackArrayV0->Clear();
+ twoTrackArrayCasc->Clear();
+ if(ioCascade) { delete ioCascade; ioCascade=NULL; }
+ if(vertexCasc) { delete vertexCasc; vertexCasc=NULL; }
+ }
+
+
+ // If there is less than 2 particles exit
+ if(trkEntries<2) {
+ AliDebug(1,Form(" Not enough tracks: %d",trkEntries));
+ return;
+ }
+
+ if(postrack1->Charge()<0 && !fLikeSign) continue;
+
// LOOP ON NEGATIVE TRACKS
- for(iTrkN1=0; iTrkN1<nTrksN; iTrkN1++) {
- if(iTrkN1%1==0) AliDebug(1,Form(" Processing negative track number %d of %d",iTrkN1,nTrksN));
+ for(iTrkN1=0; iTrkN1<nSeleTrks; iTrkN1++) {
+
+ if(iTrkN1%1==0) AliDebug(1,Form(" 1st loop on neg: track number %d of %d",iTrkN1,nSeleTrks));
+
+ if(iTrkN1==iTrkP1) continue;
+
// get track from tracks array
- negtrack1 = (AliESDtrack*)trksN.UncheckedAt(iTrkN1);
+ negtrack1 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN1);
+
+ if(negtrack1->Charge()>0 && !fLikeSign) continue;
+
+ if(!TESTBIT(seleFlags[iTrkN1],kBitDispl)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(postrack1->Charge()==negtrack1->Charge()) { // like-sign
+ isLikeSign2Prong=kTRUE;
+ if(!fLikeSign) continue;
+ if(iTrkN1<iTrkP1) continue; // this is needed to avoid double-counting of like-sign
+ } else { // unlike-sign
+ isLikeSign2Prong=kFALSE;
+ if(postrack1->Charge()<0 || negtrack1->Charge()>0) continue; // this is needed to avoid double-counting of unlike-sign
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+
// DCA between the two tracks
dcap1n1 = postrack1->GetDCA(negtrack1,fBzkG,xdummy,ydummy);
if(dcap1n1>dcaMax) { negtrack1=0; continue; }
+
// Vertexing
twoTrackArray1->AddAt(postrack1,0);
twoTrackArray1->AddAt(negtrack1,1);
negtrack1=0;
continue;
}
- if(fD0toKpi || fJPSItoEle) {
- io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI);
- if(okD0 || okJPSI) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
- if(fInputAOD) AddDaughterRefs(v,event,twoTrackArray1);
- if(okD0) {
- AliAODRecoDecayHF2Prong *rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+
+ // 2 prong candidate
+ if(fD0toKpi || fJPSItoEle || fDstar || fLikeSign) {
+
+ io2Prong = Make2Prong(twoTrackArray1,event,vertexp1n1,dcap1n1,okD0,okJPSI,okD0fromDstar);
+
+ if((fD0toKpi && okD0) || (fJPSItoEle && okJPSI) || (isLikeSign2Prong && (okD0 || okJPSI))) {
+ // add the vertex and the decay to the AOD
+ AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
+ if(!isLikeSign2Prong) {
+ if(okD0) {
+ rd = new(aodD0toKpiRef[iD0toKpi++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
+ }
+ if(okJPSI) {
+ rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ if(!okD0) v2Prong->SetParent(rd); // it cannot have two mothers ...
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
+ }
+ } else { // isLikeSign2Prong
+ rd = new(aodLikeSign2ProngRef[iLikeSign2Prong++])AliAODRecoDecayHF2Prong(*io2Prong);
+ rd->SetSecondaryVtx(v2Prong);
+ v2Prong->SetParent(rd);
+ AddRefs(v2Prong,rd,event,twoTrackArray1);
}
- if(okJPSI) {
- AliAODRecoDecayHF2Prong *rd = new(aodJPSItoEleRef[iJPSItoEle++])AliAODRecoDecayHF2Prong(*io2Prong);
- rd->SetSecondaryVtx(v);
- if(!okD0) v->SetParent(rd); // do something better here...
+ }
+ // D* candidates
+ if(fDstar && okD0fromDstar && !isLikeSign2Prong) {
+ // write references in io2Prong
+ if(fInputAOD) {
+ AddDaughterRefs(vertexp1n1,event,twoTrackArray1);
+ } else {
+ vertexp1n1->AddDaughter(postrack1);
+ vertexp1n1->AddDaughter(negtrack1);
}
+ io2Prong->SetSecondaryVtx(vertexp1n1);
+ //printf("---> %d %d %d %d %d\n",vertexp1n1->GetNDaughters(),iTrkP1,iTrkN1,postrack1->Charge(),negtrack1->Charge());
+ // create a track from the D0
+ AliNeutralTrackParam *trackD0 = new AliNeutralTrackParam(io2Prong);
+
+ // LOOP ON TRACKS THAT PASSED THE SOFT PION CUTS
+ for(iTrkSoftPi=0; iTrkSoftPi<nSeleTrks; iTrkSoftPi++) {
+
+ if(iTrkSoftPi==iTrkP1 || iTrkSoftPi==iTrkN1) continue;
+
+ if(!TESTBIT(seleFlags[iTrkSoftPi],kBitSoftPi)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkSoftPi] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkSoftPi] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(iTrkSoftPi%1==0) AliDebug(1,Form(" 1st loop on pi_s: track number %d of %d",iTrkSoftPi,nSeleTrks));
+
+ trackD0->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ if(trackD0->GetSigmaY2()<0. || trackD0->GetSigmaZ2()<0.) continue; // this is insipired by the AliITStrackV2::Invariant() checks
+
+ // get track from tracks array
+ trackPi = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkSoftPi);
+ trackPi->PropagateToDCA(fV1,fBzkG,kVeryBig);
+
+ twoTrackArrayCasc->AddAt(trackPi,0);
+ twoTrackArrayCasc->AddAt(trackD0,1);
+
+ AliAODVertex *vertexCasc = 0;
+
+ if(fFindVertexForDstar) {
+ // DCA between the two tracks
+ dcaCasc = trackPi->GetDCA(trackD0,fBzkG,xdummy,ydummy);
+ // Vertexing
+ vertexCasc = ReconstructSecondaryVertex(twoTrackArrayCasc,dispersion,kFALSE);
+ } else {
+ // assume Dstar decays at the primary vertex
+ Double_t pos[3],cov[6],chi2perNDF;
+ fV1->GetXYZ(pos);
+ fV1->GetCovMatrix(cov);
+ chi2perNDF = fV1->GetChi2toNDF();
+ vertexCasc = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,2);
+ dcaCasc = 0.;
+ }
+ if(!vertexCasc) {
+ twoTrackArrayCasc->Clear();
+ trackPi=0;
+ continue;
+ }
+
+ ioCascade = MakeCascade(twoTrackArrayCasc,event,vertexCasc,io2Prong,dcaCasc,okDstar);
+ if(okDstar) {
+ // add the D0 to the AOD (if not already done)
+ if(!okD0) {
+ AliAODVertex *v2Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*vertexp1n1);
+ 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;}
+
}
- io2Prong=NULL;
- }
-
+ if(io2Prong) {delete io2Prong; io2Prong=NULL;}
+ }
+
twoTrackArray1->Clear();
- if(!f3Prong && !f4Prong) {
+ if( (!f3Prong && !f4Prong) ||
+ (isLikeSign2Prong && !f3Prong) ) {
negtrack1=0;
delete vertexp1n1;
continue;
// 2nd LOOP ON POSITIVE TRACKS
- for(iTrkP2=iTrkP1+1; iTrkP2<nTrksP; iTrkP2++) {
+ for(iTrkP2=iTrkP1+1; iTrkP2<nSeleTrks; iTrkP2++) {
+
+ if(iTrkP2==iTrkP1 || iTrkP2==iTrkN1) continue;
+
+ if(iTrkP2%1==0) AliDebug(1,Form(" 2nd loop on pos: track number %d of %d",iTrkP2,nSeleTrks));
+
// get track from tracks array
- postrack2 = (AliESDtrack*)trksP.UncheckedAt(iTrkP2);
+ postrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkP2);
+
+ if(postrack2->Charge()<0) continue;
+
+ if(!TESTBIT(seleFlags[iTrkP2],kBitDispl)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet
+ if(postrack1->Charge()>0) { // ok: like-sign triplet (+++)
+ isLikeSign3Prong=kTRUE;
+ } else { // not ok
+ continue;
+ }
+ } else { // normal triplet (+-+)
+ isLikeSign3Prong=kFALSE;
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ //printf("********** %d %d %d\n",postrack1->GetID(),postrack2->GetID(),negtrack1->GetID());
+
dcap2n1 = postrack2->GetDCA(negtrack1,fBzkG,xdummy,ydummy);
if(dcap2n1>dcaMax) { postrack2=0; continue; }
dcap1p2 = postrack2->GetDCA(postrack1,fBzkG,xdummy,ydummy);
if(!vertexp2n1) {
twoTrackArray2->Clear();
postrack2=0;
- continue;
+ continue;
}
+
+ // 3 prong candidates
if(f3Prong) {
- threeTrackArray->AddAt(postrack1,0);
- threeTrackArray->AddAt(negtrack1,1);
- threeTrackArray->AddAt(postrack2,2);
+ if(postrack2->Charge()>0) {
+ threeTrackArray->AddAt(postrack1,0);
+ threeTrackArray->AddAt(negtrack1,1);
+ threeTrackArray->AddAt(postrack2,2);
+ } else {
+ threeTrackArray->AddAt(negtrack1,0);
+ threeTrackArray->AddAt(postrack1,1);
+ threeTrackArray->AddAt(postrack2,2);
+ }
+
AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion);
io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp2n1,dcap1n1,dcap2n1,dcap1p2,ok3Prong);
if(ok3Prong) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
- if(fInputAOD) AddDaughterRefs(v,event,threeTrackArray);
- AliAODRecoDecayHF3Prong *rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+ AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
+ if(!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) io3Prong=NULL;
+ if(io3Prong) {delete io3Prong; io3Prong=NULL;}
+ if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;}
}
- if(f4Prong) {
+
+ // 4 prong candidates
+ if(f4Prong
+ // don't make 4 prong with like-sign pairs and triplets
+ && !isLikeSign2Prong && !isLikeSign3Prong
+ // track-to-track dca cuts already now
+ && dcap1n1 < fD0to4ProngsCuts[1]
+ && dcap2n1 < fD0to4ProngsCuts[1]) {
+
+ // back to primary vertex
+ postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ // Vertexing for these 3 (can be taken from above?)
+ threeTrackArray->AddAt(postrack1,0);
+ threeTrackArray->AddAt(negtrack1,1);
+ threeTrackArray->AddAt(postrack2,2);
+ AliAODVertex* vertexp1n1p2 = ReconstructSecondaryVertex(threeTrackArray,dispersion);
+
// 3rd LOOP ON NEGATIVE TRACKS (for 4 prong)
- for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) {
+ for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) {
+
+ if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue;
+
+ if(iTrkN2%1==0) AliDebug(1,Form(" 3rd loop on neg: track number %d of %d",iTrkN2,nSeleTrks));
+
// get track from tracks array
- negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2);
+ negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2);
+
+ if(negtrack2->Charge()>0) continue;
+
+ if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue;
+ if(fMixEvent){
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkP2]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkP2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkP2]) continue;
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
postrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
- if(dcap1n2>dcaMax) { negtrack2=0; continue; }
+ if(dcap1n2 > fD0to4ProngsCuts[1]) { negtrack2=0; continue; }
+ dcap2n2 = postrack2->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
+ if(dcap2n2 > fD0to4ProngsCuts[1]) { negtrack2=0; continue; }
+
// Vertexing
fourTrackArray->AddAt(postrack1,0);
fourTrackArray->AddAt(negtrack1,1);
fourTrackArray->AddAt(postrack2,2);
fourTrackArray->AddAt(negtrack2,3);
+
AliAODVertex* secVert4PrAOD = ReconstructSecondaryVertex(fourTrackArray,dispersion);
- io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp2n1,dcap1n1,dcap1n2,dcap2n1,ok4Prong);
+ io4Prong = Make4Prong(fourTrackArray,event,secVert4PrAOD,vertexp1n1,vertexp1n1p2,dcap1n1,dcap1n2,dcap2n1,dcap2n2,ok4Prong);
if(ok4Prong) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD);
- if(fInputAOD) AddDaughterRefs(v,event,fourTrackArray);
- AliAODRecoDecayHF4Prong *rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+ AliAODVertex *v4Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert4PrAOD);
+ rd = new(aodCharm4ProngRef[i4Prong++])AliAODRecoDecayHF4Prong(*io4Prong);
+ rd->SetSecondaryVtx(v4Prong);
+ v4Prong->SetParent(rd);
+ AddRefs(v4Prong,rd,event,fourTrackArray);
}
- if(io4Prong) io4Prong=NULL;
+
+ if(io4Prong) {delete io4Prong; io4Prong=NULL;}
+ if(secVert4PrAOD) {delete secVert4PrAOD; secVert4PrAOD=NULL;}
fourTrackArray->Clear();
negtrack2 = 0;
+
} // end loop on negative tracks
+
+ threeTrackArray->Clear();
+ delete vertexp1n1p2;
+
}
+
postrack2 = 0;
delete vertexp2n1;
+
} // end 2nd loop on positive tracks
+
twoTrackArray2->Clear();
- // 2nd LOOP ON NEGATIVE TRACKS
- for(iTrkN2=iTrkN1+1; iTrkN2<nTrksN; iTrkN2++) {
+ // 2nd LOOP ON NEGATIVE TRACKS (for 3 prong -+-)
+ for(iTrkN2=iTrkN1+1; iTrkN2<nSeleTrks; iTrkN2++) {
+
+ if(iTrkN2==iTrkP1 || iTrkN2==iTrkP2 || iTrkN2==iTrkN1) continue;
+
+ if(iTrkN2%1==0) AliDebug(1,Form(" 2nd loop on neg: track number %d of %d",iTrkN2,nSeleTrks));
+
// get track from tracks array
- negtrack2 = (AliESDtrack*)trksN.UncheckedAt(iTrkN2);
+ negtrack2 = (AliESDtrack*)seleTrksArray.UncheckedAt(iTrkN2);
+
+ if(negtrack2->Charge()>0) continue;
+
+ if(!TESTBIT(seleFlags[iTrkN2],kBitDispl)) continue;
+
+ if(fMixEvent) {
+ if(evtNumber[iTrkP1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkN1]==evtNumber[iTrkN2] ||
+ evtNumber[iTrkP1]==evtNumber[iTrkN1]) continue;
+ }
+
+ if(isLikeSign2Prong) { // like-sign pair -> have to build only like-sign triplet
+ if(postrack1->Charge()<0) { // ok: like-sign triplet (---)
+ isLikeSign3Prong=kTRUE;
+ } else { // not ok
+ continue;
+ }
+ } else { // normal triplet (-+-)
+ isLikeSign3Prong=kFALSE;
+ }
+
// back to primary vertex
postrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack1->PropagateToDCA(fV1,fBzkG,kVeryBig);
negtrack2->PropagateToDCA(fV1,fBzkG,kVeryBig);
+ //printf("********** %d %d %d\n",postrack1->GetID(),negtrack1->GetID(),negtrack2->GetID());
+
dcap1n2 = postrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
if(dcap1n2>dcaMax) { negtrack2=0; continue; }
dcan1n2 = negtrack1->GetDCA(negtrack2,fBzkG,xdummy,ydummy);
negtrack2=0;
continue;
}
+
if(f3Prong) {
threeTrackArray->AddAt(negtrack1,0);
threeTrackArray->AddAt(postrack1,1);
AliAODVertex* secVert3PrAOD = ReconstructSecondaryVertex(threeTrackArray,dispersion);
io3Prong = Make3Prong(threeTrackArray,event,secVert3PrAOD,dispersion,vertexp1n1,vertexp1n2,dcap1n1,dcap1n2,dcan1n2,ok3Prong);
if(ok3Prong) {
- AliAODVertex *v = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
- if(fInputAOD) AddDaughterRefs(v,event,threeTrackArray);
- AliAODRecoDecayHF3Prong *rd = new(aodCharm3ProngRef[i3Prong++])AliAODRecoDecayHF3Prong(*io3Prong);
- rd->SetSecondaryVtx(v);
- v->SetParent(rd);
+ AliAODVertex *v3Prong = new(verticesHFRef[iVerticesHF++])AliAODVertex(*secVert3PrAOD);
+ if(!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) io3Prong=NULL;
+ if(io3Prong) {delete io3Prong; io3Prong=NULL;}
+ if(secVert3PrAOD) {delete secVert3PrAOD; secVert3PrAOD=NULL;}
}
+
negtrack2 = 0;
delete vertexp1n2;
+
} // end 2nd loop on negative tracks
+
twoTrackArray2->Clear();
negtrack1 = 0;
} // end 1st loop on positive tracks
+ AliDebug(1,Form(" Total HF vertices in event = %d;",
+ (Int_t)aodVerticesHFTClArr->GetEntriesFast()));
if(fD0toKpi) {
AliDebug(1,Form(" D0->Kpi in event = %d;",
(Int_t)aodD0toKpiTClArr->GetEntriesFast()));
AliDebug(1,Form(" Charm->4Prong in event = %d;\n",
(Int_t)aodCharm4ProngTClArr->GetEntriesFast()));
}
+ if(fDstar) {
+ AliDebug(1,Form(" D*->D0pi in event = %d;\n",
+ (Int_t)aodDstarTClArr->GetEntriesFast()));
+ }
+ if(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()));
+ }
twoTrackArray1->Delete(); delete twoTrackArray1;
twoTrackArray2->Delete(); delete twoTrackArray2;
+ twoTrackArrayCasc->Delete(); delete twoTrackArrayCasc;
+ twoTrackArrayV0->Delete(); delete twoTrackArrayV0;
threeTrackArray->Clear();
threeTrackArray->Delete(); delete threeTrackArray;
fourTrackArray->Delete(); delete fourTrackArray;
+ delete [] seleFlags; seleFlags=NULL;
+ if(evtNumber) {delete [] evtNumber; evtNumber=NULL;}
if(fInputAOD) {
- trksP.Delete();
- trksN.Delete();
+ seleTrksArray.Delete();
+ if(fAODMap) { delete fAODMap; fAODMap=NULL; }
}
return;
}
//----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::AddDaughterRefs(AliAODVertex *v,AliVEvent *event,
- TObjArray *trkArray) const
+void AliAnalysisVertexingHF::AddRefs(AliAODVertex *v,AliAODRecoDecayHF *rd,
+ const AliVEvent *event,
+ const TObjArray *trkArray) const
+{
+ // 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());
+ }
+
+ /*
+ 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();
- AliESDtrack *esdTrack = 0;
+ AliExternalTrackParam *track = 0;
AliAODTrack *aodTrack = 0;
Int_t id;
for(Int_t i=0; i<nTrks; i++) {
- esdTrack = (AliESDtrack*)trkArray->UncheckedAt(i);
- id = (Int_t)esdTrack->GetID();
+ track = (AliExternalTrackParam*)trkArray->UncheckedAt(i);
+ id = (Int_t)track->GetID();
+ //printf("---> %d\n",id);
+ if(id<0) continue; // this track is a AliAODRecoDecay
aodTrack = (AliAODTrack*)event->GetTrack(fAODMap[id]);
v->AddDaughter(aodTrack);
}
return;
}
//----------------------------------------------------------------------------
+AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade(
+ TObjArray *twoTrackArray,AliVEvent *event,
+ AliAODVertex *secVert,
+ AliAODRecoDecayHF2Prong *rd2Prong,
+ Double_t dca,
+ Bool_t &okDstar) const
+{
+ // Make the cascade as a 2Prong decay and check if it passes Dstar
+ // reconstruction cuts
+
+ okDstar = kFALSE;
+
+ Bool_t dummy1,dummy2,dummy3;
+
+ // We use Make2Prong to construct the AliAODRecoCascadeHF
+ // (which inherits from AliAODRecoDecayHF2Prong)
+ AliAODRecoCascadeHF *theCascade =
+ (AliAODRecoCascadeHF*)Make2Prong(twoTrackArray,event,secVert,dca,
+ dummy1,dummy2,dummy3);
+ if(!theCascade) return 0x0;
+
+ // charge
+ AliESDtrack *trackPi = (AliESDtrack*)twoTrackArray->UncheckedAt(0);
+ theCascade->SetCharge(trackPi->Charge());
+
+ //--- selection cuts
+ //
+ AliAODRecoCascadeHF *tmpCascade = new AliAODRecoCascadeHF(*theCascade);
+ tmpCascade->GetSecondaryVtx()->AddDaughter(trackPi);
+ tmpCascade->GetSecondaryVtx()->AddDaughter(rd2Prong);
+ AliAODVertex *primVertexAOD=0;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
+ // take event primary vertex
+ primVertexAOD = PrimaryVertex();
+ tmpCascade->SetOwnPrimaryVtx(primVertexAOD);
+ rd2Prong->SetOwnPrimaryVtx(primVertexAOD);
+ }
+ // select D*->D0pi
+ if(fDstar) {
+ Bool_t testD0=kTRUE;
+ okDstar = tmpCascade->SelectDstar(fDstarCuts,fD0fromDstarCuts,testD0);
+ }
+ tmpCascade->GetSecondaryVtx()->RemoveDaughters();
+ tmpCascade->UnsetOwnPrimaryVtx();
+ delete tmpCascade; tmpCascade=NULL;
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ rd2Prong->UnsetOwnPrimaryVtx();
+ }
+ if(primVertexAOD) {delete primVertexAOD; primVertexAOD=NULL;}
+ //---
+
+ return theCascade;
+}
+
+
+//----------------------------------------------------------------------------
+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
+ bool okLcksp=0, okLcLpi=0;
+ if(fCascades && fInputAOD){
+ if(fCutsLctoV0) {
+ okCascades = (bool)fCutsLctoV0->IsSelected(tmpCascade,AliRDHFCuts::kCandidate);
+ if(okCascades==1) okLcksp=1;
+ if(okCascades==2) okLcLpi=1;
+ if(okCascades==3) { okLcksp=1; okLcLpi=1;}
+ }
+ else okCascades = tmpCascade->SelectLctoV0(fLctoV0Cuts,okLcksp,okLcLpi);
+ }
+ else { AliDebug(2,Form("The cascade is contructed from ESDs, no cuts are applied")); okCascades=true; }// 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,AliVEvent *event,
+ TObjArray *twoTrackArray,AliVEvent *event,
AliAODVertex *secVert,Double_t dca,
- Bool_t &okD0,Bool_t &okJPSI) const
+ Bool_t &okD0,Bool_t &okJPSI,
+ Bool_t &okD0fromDstar) const
{
// Make 2Prong candidates and check if they pass D0toKpi or BtoJPSI
// reconstruction cuts
// G.E.Bruno (J/psi), A.Dainese (D0->Kpi)
- okD0=kFALSE; okJPSI=kFALSE;
+ okD0=kFALSE; okJPSI=kFALSE; okD0fromDstar=kFALSE;
Double_t px[2],py[2],pz[2],d0[2],d0err[2];
-
- AliESDtrack *postrack = (AliESDtrack*)twoTrackArray1->UncheckedAt(0);
- AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray1->UncheckedAt(1);
+ AliESDtrack *postrack = (AliESDtrack*)twoTrackArray->UncheckedAt(0);
+ AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray->UncheckedAt(1);
// propagate tracks to secondary vertex, to compute inv. mass
postrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
Bool_t okMassCut=kFALSE;
if(!okMassCut && fD0toKpi) if(SelectInvMass(0,2,px,py,pz)) okMassCut=kTRUE;
if(!okMassCut && fJPSItoEle) if(SelectInvMass(1,2,px,py,pz)) okMassCut=kTRUE;
+ if(!okMassCut && fDstar) if(SelectInvMass(3,2,px,py,pz)) okMassCut=kTRUE;
if(!okMassCut) {
AliDebug(2," candidate didn't pass mass cut");
return 0x0;
}
-
// primary vertex to be used by this candidate
- AliAODVertex *primVertexAOD = OwnPrimaryVertex(twoTrackArray1,event);
+ AliAODVertex *primVertexAOD = PrimaryVertex(twoTrackArray,event);
if(!primVertexAOD) return 0x0;
+
Double_t d0z0[2],covd0z0[3];
postrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
d0[0] = d0z0[0];
negtrack->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
d0[1] = d0z0[0];
d0err[1] = TMath::Sqrt(covd0z0[0]);
-
+
// create the object AliAODRecoDecayHF2Prong
AliAODRecoDecayHF2Prong *the2Prong = new AliAODRecoDecayHF2Prong(secVert,px,py,pz,d0,d0err,dca);
the2Prong->SetOwnPrimaryVtx(primVertexAOD);
UShort_t id[2]={(UShort_t)postrack->GetID(),(UShort_t)negtrack->GetID()};
the2Prong->SetProngIDs(2,id);
+ delete primVertexAOD; primVertexAOD=NULL;
+
+
+ if(postrack->Charge()!=0 && negtrack->Charge()!=0) { // don't apply these cuts if it's a Dstar
+ // select D0->Kpi
+ //Int_t checkD0,checkD0bar;
+ //if(fD0toKpi) okD0 = the2Prong->SelectD0(fD0toKpiCuts,checkD0,checkD0bar);
+ if(fD0toKpi) okD0 = (Bool_t)fCutsD0toKpi->IsSelected(the2Prong,AliRDHFCuts::kCandidate);
+ //if(fDebug && fD0toKpi) printf(" %d\n",(Int_t)okD0);
+ // select J/psi from B
+ //Int_t checkJPSI;
+ //if(fJPSItoEle) okJPSI = the2Prong->SelectBtoJPSI(fBtoJPSICuts,checkJPSI);
+ if(fJPSItoEle) okJPSI = (Bool_t)fCutsJpsitoee->IsSelected(the2Prong,AliRDHFCuts::kCandidate);
+ //if(fDebug && fJPSItoEle) printf(" %d\n",(Int_t)okJPSI);
+ // select D0->Kpi from Dstar
+ //if(fDstar) okD0fromDstar = the2Prong->SelectD0(fD0fromDstarCuts,checkD0,checkD0bar);
+ if(fDstar) okD0fromDstar = (Bool_t)fCutsD0fromDstar->IsSelected(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(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the2Prong->UnsetOwnPrimaryVtx();
-
- if(okD0 || okJPSI) {
- // get PID info from ESD
- Double_t esdpid0[5];
- postrack->GetESDpid(esdpid0);
- Double_t esdpid1[5];
- negtrack->GetESDpid(esdpid1);
- Double_t esdpid[10];
- for(Int_t i=0;i<5;i++) {
- esdpid[i] = esdpid0[i];
- esdpid[5+i] = esdpid1[i];
- }
- the2Prong->SetPID(2,esdpid);
+ // remove the primary vertex (was used only for selection)
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the2Prong->UnsetOwnPrimaryVtx();
+ }
+
+ // get PID info from ESD
+ Double_t esdpid0[5]={0.,0.,0.,0.,0.};
+ if(postrack->GetStatus()&AliESDtrack::kESDpid) postrack->GetESDpid(esdpid0);
+ Double_t esdpid1[5]={0.,0.,0.,0.,0.};
+ if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1);
+ Double_t esdpid[10];
+ for(Int_t i=0;i<5;i++) {
+ esdpid[i] = esdpid0[i];
+ esdpid[5+i] = esdpid1[i];
}
+ the2Prong->SetPID(2,esdpid);
return the2Prong;
}
AliAODRecoDecayHF3Prong* AliAnalysisVertexingHF::Make3Prong(
TObjArray *threeTrackArray,AliVEvent *event,
AliAODVertex *secVert,Double_t dispersion,
- AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1,
+ const AliAODVertex *vertexp1n1,const AliAODVertex *vertexp2n1,
Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2,
Bool_t &ok3Prong) const
{
ok3Prong=kFALSE;
- if(!secVert) return 0x0;
+ if(!secVert || !vertexp1n1 || !vertexp2n1) return 0x0;
Double_t px[3],py[3],pz[3],d0[3],d0err[3];
Double_t momentum[3];
}
// primary vertex to be used by this candidate
- AliAODVertex *primVertexAOD = OwnPrimaryVertex(threeTrackArray,event);
+ AliAODVertex *primVertexAOD = PrimaryVertex(threeTrackArray,event);
if(!primVertexAOD) return 0x0;
Double_t d0z0[2],covd0z0[3];
UShort_t id[3]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack->GetID(),(UShort_t)postrack2->GetID()};
the3Prong->SetProngIDs(3,id);
+ delete primVertexAOD; primVertexAOD=NULL;
// select D+->Kpipi, Ds->KKpi, Lc->pKpi
if(f3Prong) {
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;
+ //Int_t ok1,ok2;
+ //Int_t dum1,dum2;
+ //if(the3Prong->SelectDplus(fDplusCuts)) ok3Prong = kTRUE;
+ //if(the3Prong->SelectDs(fDsCuts,ok1,ok2,dum1,dum2)) 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(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the3Prong->UnsetOwnPrimaryVtx();
-
- if(ok3Prong) {
- // get PID info from ESD
- Double_t esdpid0[5];
- postrack1->GetESDpid(esdpid0);
- Double_t esdpid1[5];
- negtrack->GetESDpid(esdpid1);
- Double_t esdpid2[5];
- postrack2->GetESDpid(esdpid2);
-
- Double_t esdpid[15];
- for(Int_t i=0;i<5;i++) {
- esdpid[i] = esdpid0[i];
- esdpid[5+i] = esdpid1[i];
- esdpid[10+i] = esdpid2[i];
- }
- the3Prong->SetPID(3,esdpid);
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the3Prong->UnsetOwnPrimaryVtx();
}
+ // get PID info from ESD
+ Double_t esdpid0[5]={0.,0.,0.,0.,0.};
+ if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0);
+ Double_t esdpid1[5]={0.,0.,0.,0.,0.};
+ if(negtrack->GetStatus()&AliESDtrack::kESDpid) negtrack->GetESDpid(esdpid1);
+ Double_t esdpid2[5]={0.,0.,0.,0.,0.};
+ if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2);
+
+ Double_t esdpid[15];
+ for(Int_t i=0;i<5;i++) {
+ esdpid[i] = esdpid0[i];
+ esdpid[5+i] = esdpid1[i];
+ esdpid[10+i] = esdpid2[i];
+ }
+ the3Prong->SetPID(3,esdpid);
+
return the3Prong;
}
//----------------------------------------------------------------------------
AliAODRecoDecayHF4Prong* AliAnalysisVertexingHF::Make4Prong(
TObjArray *fourTrackArray,AliVEvent *event,
- AliAODVertex *secVert,
- AliAODVertex *vertexp1n1,AliAODVertex *vertexp2n1,
- Double_t dcap1n1,Double_t dcap1n2,Double_t dcap2n1,
- Bool_t &ok4Prong) const
+ AliAODVertex *secVert,
+ 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) return 0x0;
+ if(!secVert || !vertexp1n1 || !vertexp1n1p2) return 0x0;
Double_t px[4],py[4],pz[4],d0[4],d0err[4];//d0z[3];
- px[0]=dcap1n1*dcap1n2*dcap2n1; // TO BE CHANGED (done just to removed compilation warning about dca... not used)
-
AliESDtrack *postrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(0);
AliESDtrack *negtrack1 = (AliESDtrack*)fourTrackArray->UncheckedAt(1);
AliESDtrack *postrack2 = (AliESDtrack*)fourTrackArray->UncheckedAt(2);
px[3] = momentum[0]; py[3] = momentum[1]; pz[3] = momentum[2];
// invariant mass cut for rho or D0 (try to improve coding here..)
- //Bool_t okMassCut=kFALSE;
- //if(!okMassCut) if(SelectInvMass(2,3,px,py,pz)) okMassCut=kTRUE;
- //if(!okMassCut) {
- // if(fDebug) printf(" candidate didn't pass mass cut\n");
- // return 0x0;
- //}
+ Bool_t okMassCut=kFALSE;
+ if(!okMassCut && TMath::Abs(fD0to4ProngsCuts[8])<1.e-13){ //no PID, to be implemented with PID
+ if(SelectInvMass(4,4,px,py,pz)) okMassCut=kTRUE;
+ }
+ if(!okMassCut) {
+ //if(fDebug) printf(" candidate didn't pass mass cut\n");
+ //printf(" candidate didn't pass mass cut\n");
+ return 0x0;
+ }
// primary vertex to be used by this candidate
- AliAODVertex *primVertexAOD = OwnPrimaryVertex(fourTrackArray,event);
+ AliAODVertex *primVertexAOD = PrimaryVertex(fourTrackArray,event);
if(!primVertexAOD) return 0x0;
- /*
- Double_t d0z0[2],covd0z0[3];
- postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
- */
+ Double_t d0z0[2],covd0z0[3];
+ postrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[0]=d0z0[0];
+ d0err[0] = TMath::Sqrt(covd0z0[0]);
+ negtrack1->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[1]=d0z0[0];
+ d0err[1] = TMath::Sqrt(covd0z0[0]);
+ postrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[2]=d0z0[0];
+ d0err[2] = TMath::Sqrt(covd0z0[0]);
+ negtrack2->PropagateToDCA(primVertexAOD,fBzkG,kVeryBig,d0z0,covd0z0);
+ d0[3]=d0z0[0];
+ d0err[3] = TMath::Sqrt(covd0z0[0]);
+
// create the object AliAODRecoDecayHF4Prong
Double_t pos[3]; primVertexAOD->GetXYZ(pos);
- Double_t dca[6]={0.,0.,0.,0.,0.,0.}; // modify it
+ Double_t dca[6]={dcap1n1,0.,dcap1n2,dcap2n1,0.,dcap2n2};
Double_t dist12=TMath::Sqrt((vertexp1n1->GetX()-pos[0])*(vertexp1n1->GetX()-pos[0])+(vertexp1n1->GetY()-pos[1])*(vertexp1n1->GetY()-pos[1])+(vertexp1n1->GetZ()-pos[2])*(vertexp1n1->GetZ()-pos[2]));
- Double_t dist23=TMath::Sqrt((vertexp2n1->GetX()-pos[0])*(vertexp2n1->GetX()-pos[0])+(vertexp2n1->GetY()-pos[1])*(vertexp2n1->GetY()-pos[1])+(vertexp2n1->GetZ()-pos[2])*(vertexp2n1->GetZ()-pos[2]));
- Double_t dist14=0.; // to be implemented
- Double_t dist34=0.; // to be implemented
+ Double_t dist3=TMath::Sqrt((vertexp1n1p2->GetX()-pos[0])*(vertexp1n1p2->GetX()-pos[0])+(vertexp1n1p2->GetY()-pos[1])*(vertexp1n1p2->GetY()-pos[1])+(vertexp1n1p2->GetZ()-pos[2])*(vertexp1n1p2->GetZ()-pos[2]));
+ Double_t dist4=TMath::Sqrt((secVert->GetX()-pos[0])*(secVert->GetX()-pos[0])+(secVert->GetY()-pos[1])*(secVert->GetY()-pos[1])+(secVert->GetZ()-pos[2])*(secVert->GetZ()-pos[2]));
Short_t charge=0;
- AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist23,dist14,dist34,charge);
+ AliAODRecoDecayHF4Prong *the4Prong = new AliAODRecoDecayHF4Prong(secVert,px,py,pz,d0,d0err,dca,dist12,dist3,dist4,charge);
the4Prong->SetOwnPrimaryVtx(primVertexAOD);
UShort_t id[4]={(UShort_t)postrack1->GetID(),(UShort_t)negtrack1->GetID(),(UShort_t)postrack2->GetID(),(UShort_t)negtrack2->GetID()};
the4Prong->SetProngIDs(4,id);
+ delete primVertexAOD; primVertexAOD=NULL;
- // use the following two lines once AliAODRecoDecayHF4Prong::SelectD0 is available
- // select D0->Kpipipi
- //Int_t checkD0,checkD0bar;
- // ok4Prong=the4Prong->SelectD0(fD04pCuts,checkD0,checkD0bar);
- ok4Prong=kFALSE; //for the time being ...
+ //Int_t checkD0,checkD0bar;
+ //ok4Prong=the4Prong->SelectD0(fD0to4ProngsCuts,checkD0,checkD0bar);
+ ok4Prong=(Bool_t)fCutsD0toKpipipi->IsSelected(the4Prong,AliRDHFCuts::kCandidate);
- if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) the4Prong->UnsetOwnPrimaryVtx();
+ if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx && !fMixEvent) {
+ the4Prong->UnsetOwnPrimaryVtx();
+ }
+
+
// get PID info from ESD
- Double_t esdpid0[5];
- postrack1->GetESDpid(esdpid0);
- Double_t esdpid1[5];
- negtrack1->GetESDpid(esdpid1);
- Double_t esdpid2[5];
- postrack2->GetESDpid(esdpid2);
- Double_t esdpid3[5];
- negtrack2->GetESDpid(esdpid3);
+ Double_t esdpid0[5]={0.,0.,0.,0.,0.};
+ if(postrack1->GetStatus()&AliESDtrack::kESDpid) postrack1->GetESDpid(esdpid0);
+ Double_t esdpid1[5]={0.,0.,0.,0.,0.};
+ if(negtrack1->GetStatus()&AliESDtrack::kESDpid) negtrack1->GetESDpid(esdpid1);
+ Double_t esdpid2[5]={0.,0.,0.,0.,0.};
+ if(postrack2->GetStatus()&AliESDtrack::kESDpid) postrack2->GetESDpid(esdpid2);
+ Double_t esdpid3[5]={0.,0.,0.,0.,0.};
+ if(negtrack2->GetStatus()&AliESDtrack::kESDpid) negtrack2->GetESDpid(esdpid3);
Double_t esdpid[20];
for(Int_t i=0;i<5;i++) {
- esdpid[i] = esdpid0[i];
- esdpid[5+i] = esdpid1[i];
+ esdpid[i] = esdpid0[i];
+ esdpid[5+i] = esdpid1[i];
esdpid[10+i] = esdpid2[i];
esdpid[15+i] = esdpid3[i];
}
the4Prong->SetPID(4,esdpid);
-
+
return the4Prong;
}
//-----------------------------------------------------------------------------
-AliAODVertex* AliAnalysisVertexingHF::OwnPrimaryVertex(TObjArray *trkArray,
- AliVEvent *event) const
+AliAODVertex* AliAnalysisVertexingHF::PrimaryVertex(const TObjArray *trkArray,
+ AliVEvent *event) const
{
- // Returns primary vertex specific to this candidate
+ // Returns primary vertex to be used for this candidate
AliESDVertex *vertexESD = 0;
AliAODVertex *vertexAOD = 0;
- Int_t nTrks = trkArray->GetEntriesFast();
if(!fRecoPrimVtxSkippingTrks && !fRmTrksFromPrimVtx) {
// primary vertex from the input event
} else {
// primary vertex specific to this candidate
+ Int_t nTrks = trkArray->GetEntriesFast();
AliVertexerTracks *vertexer = new AliVertexerTracks(event->GetMagneticField());
if(fRecoPrimVtxSkippingTrks) {
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.};
+ 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[10];
- AliESDtrack *t = 0;
+ Int_t skipped[1000];
+ Int_t nTrksToSkip=0,id;
+ AliExternalTrackParam *t = 0;
for(Int_t i=0; i<nTrks; i++) {
- t = (AliESDtrack*)trkArray->UncheckedAt(i);
- skipped[i] = (Int_t)t->GetID();
+ t = (AliExternalTrackParam*)trkArray->UncheckedAt(i);
+ id = (Int_t)t->GetID();
+ if(id<0) continue;
+ skipped[nTrksToSkip++] = id;
}
- vertexer->SetSkipTracks(nTrks,skipped);
+ // 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) {
t = (AliESDtrack*)trkArray->UncheckedAt(i);
esdTrack = new AliESDtrack(*t);
rmArray.AddLast(esdTrack);
- rmId[i]=(UShort_t)esdTrack->GetID();
+ if(esdTrack->GetID()>=0) {
+ rmId[i]=(UShort_t)esdTrack->GetID();
+ } else {
+ rmId[i]=9999;
+ }
}
Float_t diamondxy[2]={event->GetDiamondX(),event->GetDiamondY()};
vertexESD = vertexer->RemoveTracksFromVertex(fV1,&rmArray,rmId,diamondxy);
if(fRmTrksFromPrimVtx) printf("RmTrksFromPrimVtx\n");
if(fD0toKpi) {
printf("Reconstruct D0->Kpi candidates with cuts:\n");
+ if(fCutsD0toKpi) fCutsD0toKpi->PrintAll();
+ /*
printf(" |M-MD0| [GeV] < %f\n",fD0toKpiCuts[0]);
printf(" dca [cm] < %f\n",fD0toKpiCuts[1]);
printf(" cosThetaStar < %f\n",fD0toKpiCuts[2]);
printf(" |d0pi| [cm] < %f\n",fD0toKpiCuts[6]);
printf(" d0d0 [cm^2] < %f\n",fD0toKpiCuts[7]);
printf(" cosThetaPoint > %f\n",fD0toKpiCuts[8]);
+ */
+ }
+ if(fDstar) {
+ if(fFindVertexForDstar) {
+ printf(" Reconstruct a secondary vertex for the D*\n");
+ } else {
+ printf(" Assume the D* comes from the primary vertex\n");
+ }
+ printf(" |M-MD*| [GeV] < %f\n",fDstarCuts[0]);
+ printf(" |M_Kpipi-M_Kpi-(MD*-MD0)| [GeV] < %f\n",fDstarCuts[1]);
+ printf(" pTpisoft [GeV/c] > %f\n",fDstarCuts[2]);
+ printf(" pTpisoft [GeV/c] < %f\n",fDstarCuts[3]);
+ printf(" Theta(pisoft,D0plane) < %f\n",fDstarCuts[4]);
+ printf("Reconstruct D*->D0pi candidates with cuts:\n");
+ printf(" D0 from D* cuts:\n");
+ if(fCutsD0fromDstar) fCutsD0fromDstar->PrintAll();
+ /*
+ printf(" |M-MD0| [GeV] < %f\n",fD0fromDstarCuts[0]);
+ printf(" dca [cm] < %f\n",fD0fromDstarCuts[1]);
+ printf(" cosThetaStar < %f\n",fD0fromDstarCuts[2]);
+ printf(" pTK [GeV/c] > %f\n",fD0fromDstarCuts[3]);
+ printf(" pTpi [GeV/c] > %f\n",fD0fromDstarCuts[4]);
+ printf(" |d0K| [cm] < %f\n",fD0fromDstarCuts[5]);
+ printf(" |d0pi| [cm] < %f\n",fD0fromDstarCuts[6]);
+ printf(" d0d0 [cm^2] < %f\n",fD0fromDstarCuts[7]);
+ printf(" cosThetaPoint > %f\n",fD0fromDstarCuts[8]);
+ */
}
if(fJPSItoEle) {
printf("Reconstruct J/psi from B candidates with cuts:\n");
+ if(fCutsJpsitoee) fCutsJpsitoee->PrintAll();
+ /*
printf(" |M-MJPSI| [GeV] < %f\n",fBtoJPSICuts[0]);
printf(" dca [cm] < %f\n",fBtoJPSICuts[1]);
printf(" cosThetaStar < %f\n",fBtoJPSICuts[2]);
printf(" |d0N| [cm] < %f\n",fBtoJPSICuts[6]);
printf(" d0d0 [cm^2] < %f\n",fBtoJPSICuts[7]);
printf(" cosThetaPoint > %f\n",fBtoJPSICuts[8]);
+ */
}
if(f3Prong) {
printf("Reconstruct 3 prong candidates.\n");
printf(" D+->Kpipi cuts:\n");
+ if(fCutsDplustoKpipi) fCutsDplustoKpipi->PrintAll();
+ /*
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(" 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");
+ if(fCutsDstoKKpi) fCutsDstoKKpi->PrintAll();
+ /*
printf(" |M-MDs| [GeV] < %f\n",fDsCuts[0]);
printf(" pTK [GeV/c] > %f\n",fDsCuts[1]);
printf(" pTPi [GeV/c] > %f\n",fDsCuts[2]);
printf(" cosThetaPoint > %f\n",fDsCuts[9]);
printf(" Sum d0^2 [cm^2] > %f\n",fDsCuts[10]);
printf(" dca cut [cm] < %f\n",fDsCuts[11]);
- printf(" Inv. Mass phi/K0* [GeV] < %f\n",fDsCuts[12]);
+ printf(" Inv. Mass phi [GeV] < %f\n",fDsCuts[12]);
+ printf(" Inv. Mass K0* [GeV] < %f\n",fDsCuts[13]);
+ */
printf(" Lc->pKpi cuts:\n");
+ if(fCutsLctopKpi) fCutsLctopKpi->PrintAll();
+ /*
printf(" |M-MLc| [GeV] < %f\n",fLcCuts[0]);
printf(" pTP [GeV/c] > %f\n",fLcCuts[1]);
printf(" pTPi and pTK [GeV/c] > %f\n",fLcCuts[2]);
printf(" cosThetaPoint > %f\n",fLcCuts[9]);
printf(" Sum d0^2 [cm^2] > %f\n",fLcCuts[10]);
printf(" dca cut [cm] < %f\n",fLcCuts[11]);
- printf(" Ds->KKpi cuts:\n");
+ */
+ }
+ 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) const
+ Double_t &dispersion,Bool_t useTRefArray) const
{
// Secondary vertex reconstruction with AliVertexerTracks or AliKFParticle
AliKFParticle::SetField(fBzkG);
- AliKFParticle vertexKF;
+ AliKFVertex vertexKF;
Int_t nTrks = trkArray->GetEntriesFast();
for(Int_t i=0; i<nTrks; i++) {
AliKFParticle daughterKF(*esdTrack,211);
vertexKF.AddDaughter(daughterKF);
}
- vertexESD = new AliESDVertex();
- vertexKF.CopyToESDVertex(*vertexESD);
+ vertexESD = new AliESDVertex(vertexKF.Parameters(),
+ vertexKF.CovarianceMatrix(),
+ vertexKF.GetChi2(),
+ vertexKF.GetNContributors());
}
dispersion = vertexESD->GetDispersion();
delete vertexESD; vertexESD=NULL;
- vertexAOD = new AliAODVertex(pos,cov,chi2perNDF);
- vertexAOD->SetType(AliAODVertex::kUndef); // to be changed
+ Int_t nprongs= (useTRefArray ? 0 : trkArray->GetEntriesFast());
+ vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs);
return vertexAOD;
}
Double_t *dummyd0 = new Double_t[nprongs];
for(Int_t ip=0;ip<nprongs;ip++) dummyd0[ip]=0.;
AliAODRecoDecay *rd = new AliAODRecoDecay(0x0,nprongs,dummycharge,px,py,pz,dummyd0);
- delete [] dummyd0;
+ delete [] dummyd0; dummyd0=NULL;
- UInt_t pdg2[2],pdg3[3];
+ UInt_t pdg2[2],pdg3[3],pdg4[4];
Double_t mPDG,minv;
Bool_t retval=kFALSE;
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;
+ //if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE;
+ 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;
+ //if(TMath::Abs(minv-mPDG)<fD0toKpiCuts[0]) retval=kTRUE;
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpi->GetMassCut()) retval=kTRUE;
break;
case 1: // JPSI->ee
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;
+ //if(TMath::Abs(minv-mPDG)<fBtoJPSICuts[0]) retval=kTRUE;
+ if(TMath::Abs(minv-mPDG)<fCutsJpsitoee->GetMassCut()) retval=kTRUE;
break;
case 2: // D+->Kpipi
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;
+ //if(TMath::Abs(minv-mPDG)<fDplusCuts[0]) retval=kTRUE;
+ 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;
+ //if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE;
+ 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;
+ //if(TMath::Abs(minv-mPDG)<fDsCuts[0]) retval=kTRUE;
+ 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;
+ //if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE;
+ 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;
+ //if(TMath::Abs(minv-mPDG)<fLcCuts[0]) retval=kTRUE;
+ if(TMath::Abs(minv-mPDG)<fCutsLctopKpi->GetMassCut()) retval=kTRUE;
+ break;
+ case 3: // D*->D0pi
+ pdg2[0]=211; pdg2[1]=421; // in twoTrackArrayCasc we put the pion first
+ mPDG=TDatabasePDG::Instance()->GetParticle(413)->Mass();
+ minv = rd->InvMass(nprongs,pdg2);
+ if(TMath::Abs(minv-mPDG)<fDstarCuts[0]) retval=kTRUE;
+ break;
+ case 4: // D0->Kpipipi without PID
+ pdg4[0]=321; pdg4[1]=211; pdg4[2]=211; pdg4[3]=211;
+ mPDG=TDatabasePDG::Instance()->GetParticle(421)->Mass();
+ minv = rd->InvMass(nprongs,pdg4);
+ //if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ 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 = rd->InvMass(nprongs,pdg4);
+ //if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ 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 = rd->InvMass(nprongs,pdg4);
+ //if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ 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 = rd->InvMass(nprongs,pdg4);
+ //if(TMath::Abs(minv-mPDG)<fD0to4ProngsCuts[0]) retval=kTRUE;
+ if(TMath::Abs(minv-mPDG)<fCutsD0toKpipipi->GetMassCut()) retval=kTRUE;
break;
default:
+ printf("SelectInvMass(): wrong decay selection\n");
break;
}
- delete rd;
+ delete rd; rd=NULL;
return retval;
}
//-----------------------------------------------------------------------------
-void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(AliVEvent *event,
- TObjArray &trksP,Int_t &nTrksP,
- TObjArray &trksN,Int_t &nTrksN)
+void AliAnalysisVertexingHF::SelectTracksAndCopyVertex(const AliVEvent *event,
+ TObjArray &seleTrksArray,Int_t &nSeleTrks,
+ UChar_t *seleFlags,Int_t *evtNumber)
{
- // Fill two TObjArrays with positive and negative tracks and
- // apply single-track preselection.
+ // Apply single-track preselection.
+ // Fill a TObjArray with selected tracks (for displaced vertices or
+ // soft pion from D*). Selection flag stored in seleFlags.
// Create the AliESDVertex object (convert from AliAODVertex if necessary)
// In case of AOD input, also fill fAODMap for track index<->ID
const AliVVertex *vprimary = event->GetPrimaryVertex();
if(fV1) { delete fV1; fV1=NULL; }
- if(fAODMap) { delete [] fAODMap; fAODMap=NULL; }
+ if(fAODMap) { delete fAODMap; fAODMap=NULL; }
Int_t nindices=0;
UShort_t *indices = 0;
vprimary->GetCovarianceMatrix(cov);
fV1 = new AliESDVertex(pos,cov,100.,100,vprimary->GetName());
indices = new UShort_t[event->GetNumberOfTracks()];
- fAODMap = new Int_t[100000];
+ fAODMapSize = 100000;
+ fAODMap = new Int_t[fAODMapSize];
}
- nTrksP=0,nTrksN=0;
-
Int_t entries = (Int_t)event->GetNumberOfTracks();
+ Bool_t okDisplaced=kFALSE,okSoftPi=kFALSE;
+ nSeleTrks=0;
// transfer ITS tracks from event to arrays
for(Int_t i=0; i<entries; i++) {
- AliVTrack *track = (AliVTrack*)event->GetTrack(i);
+ AliVTrack *track;
+ track = (AliVTrack*)event->GetTrack(i);
+
+ // skip pure ITS SA tracks
+ if(track->GetStatus()&AliESDtrack::kITSpureSA) continue;
+
+ // TEMPORARY: check that the cov matrix is there
+ Double_t covtest[21];
+ if(!track->GetCovarianceXYZPxPyPz(covtest)) continue;
+ //
if(fInputAOD) {
AliAODTrack *aodt = (AliAODTrack*)track;
}
AliESDtrack *esdt = 0;
+
if(!fInputAOD) {
esdt = (AliESDtrack*)track;
} else {
}
// single track selection
- if(!SingleTrkCuts(esdt)) {
+ okDisplaced=kFALSE; okSoftPi=kFALSE;
+ if(fMixEvent){
+ evtNumber[i]=((AliMixedEvent*)event)->EventIndex(i);
+ const AliVVertex* eventVtx=((AliMixedEvent*)event)->GetEventVertex(i);
+ Double_t vtxPos[3],primPos[3],primCov[6],trasl[3];
+ eventVtx->GetXYZ(vtxPos);
+ vprimary->GetXYZ(primPos);
+ eventVtx->GetCovarianceMatrix(primCov);
+ for(Int_t ind=0;ind<3;ind++){
+ trasl[ind]=vtxPos[ind]-primPos[ind];
+ }
+
+ Bool_t isTransl=esdt->Translate(trasl,primCov);
+ if(!isTransl) {
+ delete esdt;
+ esdt = NULL;
+ continue;
+ }
+ }
+
+ if(SingleTrkCuts(esdt,okDisplaced,okSoftPi)) {
+ seleTrksArray.AddLast(esdt);
+ seleFlags[nSeleTrks]=0;
+ if(okDisplaced) SETBIT(seleFlags[nSeleTrks],kBitDispl);
+ if(okSoftPi) SETBIT(seleFlags[nSeleTrks],kBitSoftPi);
+ nSeleTrks++;
+ } else {
if(fInputAOD) delete esdt;
esdt = NULL;
continue;
- }
-
- if(track->Charge()<0) { // negative track
- trksN.AddLast(esdt);
- nTrksN++;
- } else { // positive track
- trksP.AddLast(esdt);
- nTrksP++;
- }
+ }
} // end loop on tracks
return;
}
//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0fromDstarCuts(Double_t cut0,Double_t cut1,
+ Double_t cut2,Double_t cut3,Double_t cut4,
+ Double_t cut5,Double_t cut6,
+ Double_t cut7,Double_t cut8)
+{
+ // Set the cuts for D0 from D* selection
+ fD0fromDstarCuts[0] = cut0;
+ fD0fromDstarCuts[1] = cut1;
+ fD0fromDstarCuts[2] = cut2;
+ fD0fromDstarCuts[3] = cut3;
+ fD0fromDstarCuts[4] = cut4;
+ fD0fromDstarCuts[5] = cut5;
+ fD0fromDstarCuts[6] = cut6;
+ fD0fromDstarCuts[7] = cut7;
+ fD0fromDstarCuts[8] = cut8;
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0fromDstarCuts(const Double_t cuts[9])
+{
+ // Set the cuts for D0 from D* selection
+
+ for(Int_t i=0; i<9; i++) fD0fromDstarCuts[i] = cuts[i];
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetDstarCuts(Double_t cut0,Double_t cut1,
+ Double_t cut2,Double_t cut3,
+ Double_t cut4)
+{
+ // Set the cuts for D* selection
+ fDstarCuts[0] = cut0;
+ fDstarCuts[1] = cut1;
+ fDstarCuts[2] = cut2;
+ fDstarCuts[3] = cut3;
+ fDstarCuts[4] = cut4;
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetDstarCuts(const Double_t cuts[5])
+{
+ // Set the cuts for D* selection
+
+ for(Int_t i=0; i<5; i++) fDstarCuts[i] = cuts[i];
+
+ return;
+}
+//-----------------------------------------------------------------------------
void AliAnalysisVertexingHF::SetBtoJPSICuts(Double_t cut0,Double_t cut1,
Double_t cut2,Double_t cut3,Double_t cut4,
Double_t cut5,Double_t cut6,
}
//-----------------------------------------------------------------------------
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,Double_t cut12)
+ 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,
+ Double_t cut12,Double_t cut13)
{
// Set the cuts for Ds->KKpi selection
fDsCuts[0] = cut0;
fDsCuts[10] = cut10;
fDsCuts[11] = cut11;
fDsCuts[12] = cut12;
+ fDsCuts[13] = cut13;
return;
}
{
// Set the cuts for Ds->KKpi selection
- for(Int_t i=0; i<13; i++) fDsCuts[i] = cuts[i];
+ for(Int_t i=0; i<14; i++) fDsCuts[i] = cuts[i];
return;
}
return;
}
+
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetLctoV0Cuts(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 Lc->V0+bachelor selection
+ fLctoV0Cuts[0] = cut0;
+ fLctoV0Cuts[1] = cut1;
+ fLctoV0Cuts[2] = cut2;
+ fLctoV0Cuts[3] = cut3;
+ fLctoV0Cuts[4] = cut4;
+ fLctoV0Cuts[5] = cut5;
+ fLctoV0Cuts[6] = cut6;
+ fLctoV0Cuts[7] = cut7;
+ fLctoV0Cuts[8] = cut8;
+
+ return;
+}
+
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetLctoV0Cuts(const Double_t cuts[8])
+{
+ // Set the cuts for Lc-> V0 + bachelor selection
+
+ for(Int_t i=0; i<8; i++) fLctoV0Cuts[i] = cuts[i];
+
+ return;
+}
+
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0to4ProngsCuts(Double_t cut0,Double_t cut1,
+ Double_t cut2,Double_t cut3,Double_t cut4,
+ Double_t cut5,Double_t cut6,
+ Double_t cut7,Double_t cut8)
+{
+ // Set the cuts for D0->Kpipipi selection
+
+ fD0to4ProngsCuts[0] = cut0;
+ fD0to4ProngsCuts[1] = cut1;
+ fD0to4ProngsCuts[2] = cut2;
+ fD0to4ProngsCuts[3] = cut3;
+ fD0to4ProngsCuts[4] = cut4;
+ fD0to4ProngsCuts[5] = cut5;
+ fD0to4ProngsCuts[6] = cut6;
+ fD0to4ProngsCuts[7] = cut7;
+ fD0to4ProngsCuts[8] = cut8;
+
+ return;
+}
+//-----------------------------------------------------------------------------
+void AliAnalysisVertexingHF::SetD0to4ProngsCuts(const Double_t cuts[9])
+{
+ // Set the cuts for D0->Kpipipi selection
+
+ for(Int_t i=0; i<9; i++) fD0to4ProngsCuts[i] = cuts[i];
+
+ return;
+}
//-----------------------------------------------------------------------------
-Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk) const
+Bool_t AliAnalysisVertexingHF::SingleTrkCuts(AliESDtrack *trk,
+ Bool_t &okDisplaced,Bool_t &okSoftPi) const
{
// Check if track passes some kinematical cuts
// this is needed to store the impact parameters
trk->RelateToVertex(fV1,fBzkG,kVeryBig);
- UInt_t selectInfo = 0;
+ UInt_t selectInfo;
//
- // Track selection
+ // Track selection, displaced tracks
+ selectInfo = 0;
if(fTrackFilter) {
selectInfo = fTrackFilter->IsSelected(trk);
}
+ if(selectInfo) okDisplaced=kTRUE;
+ // Track selection, soft pions
+ selectInfo = 0;
+ if(fDstar && fTrackFilterSoftPi) {
+ selectInfo = fTrackFilterSoftPi->IsSelected(trk);
+ }
+ if(selectInfo) okSoftPi=kTRUE;
+
+ if(okDisplaced || okSoftPi) return kTRUE;
+
+ return kFALSE;
+}
- if (!selectInfo) return kFALSE;
- return kTRUE;
+//-----------------------------------------------------------------------------
+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 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) return 0;
+ Double_t d0z0[2],covd0z0[3];
+ trackesdV0->PropagateToDCA(PrimaryVertex(),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) return 0;
+ posV0track->PropagateToDCA(PrimaryVertex(),fBzkG,kVeryBig,d0z0,covd0z0);
+ // if ( covd0z0[0]<=0.) dcaV0DaughterToPrimVertex[0] = 0;
+ // else
+ dcaV0DaughterToPrimVertex[0] = TMath::Sqrt(covd0z0[0]);
+ negV0track->PropagateToDCA(PrimaryVertex(),fBzkG,kVeryBig,d0z0,covd0z0);
+ // if ( covd0z0[0]<=0.)dcaV0DaughterToPrimVertex[1] = 0;
+ // else
+ dcaV0DaughterToPrimVertex[1] = TMath::Sqrt(covd0z0[0]);
+ double dcaV0Daughters = esdV0->GetDcaV0Daughters();
+ double pmom[3]; double 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;
+
+ return aodV0;
}
//-----------------------------------------------------------------------------
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff