}
+//__________________________________________________________________________________________________________________________________________
+void AliIsolationCut::CalculateUEBandClusterNormalization( AliCaloTrackReader * /*reader*/,const Float_t etaC, const Float_t /*phiC*/,
+ const Float_t phiUEptsumCluster, const Float_t etaUEptsumCluster,
+ Float_t & phiUEptsumClusterNorm, Float_t & etaUEptsumClusterNorm,
+ Float_t & excessFracEta, Float_t & excessFracPhi ) const
+{
+ // Normalize cluster background band
+
+ Float_t coneA = fConeSize*fConeSize*TMath::Pi(); // A = pi R^2, isolation cone area
+
+ //Careful here if EMCal limits changed .. 2010 (4 SM) to 2011-12 (10 SM), for the moment consider 100 deg in phi
+ Float_t emcEtaSize = 0.7*2; // TO FIX
+ Float_t emcPhiSize = TMath::DegToRad()*100.; // TO FIX
+
+ /* //Catherine code
+ if(((((2*fConeSize*emcPhiSize)-coneA))*phiBandBadCellsCoeff)!=0)phiUEptsumClusterNorm = phiUEptsumCluster*(coneA*coneBadCellsCoeff / (((2*fConeSize*emcPhiSize)-coneA))*phiBandBadCellsCoeff); // pi * R^2 / (2 R * 2 100 deg) - trigger cone
+ if(((((2*(fConeSize-excess)*emcPhiSize)-(coneA-excessFracEta))*etaBandBadCellsCoeff))!=0)phiUEptsumClusterNorm = phiUEptsumCluster*(coneA *coneBadCellsCoeff/ (((2*(fConeSize-excess)*emcPhiSize)-(coneA/excessFracEta))*etaBandBadCellsCoeff));
+ if(((2*(fConeSize-excess)*emcEtaSize)-(coneA-excessFracPhi))*phiBandBadCellsCoeff!=0) etaUEptsumClusterNorm = etaUEptsumCluster*(coneA*coneBadCellsCoeff / (((2*(fConeSize-excess)*emcEtaSize)-(coneA/excessFracPhi))*phiBandBadCellsCoeff));
+ */
+
+ if((2*fConeSize*emcPhiSize-coneA)!=0) phiUEptsumClusterNorm = phiUEptsumCluster*(coneA / (((2*fConeSize*emcPhiSize)-coneA))); // pi * R^2 / (2 R * 2 100 deg) - trigger cone
+ if((2*fConeSize*emcEtaSize-coneA)!=0) etaUEptsumClusterNorm = etaUEptsumCluster*(coneA / (((2*fConeSize*emcEtaSize)-coneA))); // pi * R^2 / (2 R * 2*0.7) - trigger cone
+
+ //out of eta acceptance
+ excessFracEta = 1;
+ excessFracPhi = 1;
-//__________________________________________________________________________________
-Float_t AliIsolationCut::GetCellDensity(const AliAODPWG4ParticleCorrelation * pCandidate,
- const AliCaloTrackReader * reader) const
+ if(TMath::Abs(etaC)+fConeSize > emcEtaSize/2.)
+ {
+ Float_t excess = TMath::Abs(etaC) + fConeSize - emcEtaSize/2.;
+ excessFracEta = CalculateExcessAreaFraction(excess);
+
+ if ( excessFracEta != 0) coneA /= excessFracEta;
+
+ //UE band is also out of acceptance, need to estimate corrected area
+ if(((2*fConeSize-excess)*emcPhiSize-coneA) != 0 ) phiUEptsumClusterNorm = phiUEptsumCluster*(coneA / ((((2*fConeSize-excess)*emcPhiSize)-coneA)));
+ if(( 2*fConeSize *emcEtaSize-coneA) != 0 ) etaUEptsumClusterNorm = etaUEptsumCluster*(coneA / ((( 2*fConeSize *emcEtaSize)-coneA)));
+ }
+
+}
+
+//________________________________________________________________________________________________________________________________________
+void AliIsolationCut::CalculateUEBandTrackNormalization ( AliCaloTrackReader * reader, const Float_t etaC, const Float_t /*phiC*/,
+ const Float_t phiUEptsumTrack, const Float_t etaUEptsumTrack,
+ Float_t & phiUEptsumTrackNorm, Float_t & etaUEptsumTrackNorm,
+ Float_t & excessFracEta, Float_t & excessFracPhi ) const
+{
+ // Normalize track background band
+
+ Float_t coneA = fConeSize*fConeSize*TMath::Pi(); // A = pi R^2, isolation cone area
+
+ // Get the cut used for the TPC tracks in the reader, +-0.8, +-0.9 ...
+ // Only valid in simple fidutial cut case and if the cut is applied, careful!
+ Float_t tpcEtaSize = reader->GetFiducialCut()->GetCTSFidCutMaxEtaArray()->At(0) -
+ reader->GetFiducialCut()->GetCTSFidCutMinEtaArray()->At(0) ;
+ Float_t tpcPhiSize = TMath::TwoPi();
+
+ /*//Catherine code
+ //phiUEptsumTrackNorm = phiUEptsumTrack*(coneA*coneBadCellsCoeff / (((2*fConeSize*tpcPhiSize)-coneA))*phiBandBadCellsCoeff); // pi * R^2 / (2 R * 2 pi) - trigger cone
+ //etaUEptsumTrackNorm = etaUEptsumTrack*(coneA*coneBadCellsCoeff / (((2*fConeSize*tpcEtaSize)-coneA))*etaBandBadCellsCoeff); // pi * R^2 / (2 R * 1.6) - trigger cone
+ if((2*fConeSize*tpcPhiSize-coneA)!=0)phiUEptsumTrackNorm = phiUEptsumTrack*(coneA / (((2*fConeSize*tpcPhiSize)-coneA))); // pi * R^2 / (2 R * 2 pi) - trigger cone
+ if((2*fConeSize*tpcEtaSize-coneA)!=0)etaUEptsumTrackNorm = etaUEptsumTrack*(coneA / (((2*fConeSize*tpcEtaSize)-coneA))); // pi * R^2 / (2 R * 1.6) - trigger cone
+ if((2*(fConeSize-excess)*tpcPhiSize)-(coneA-excessFracEta)!=0)phiUEptsumTrackNorm = phiUEptsumTrack*(coneA / (((2*(fConeSize-excess)*tpcPhiSize)-(coneA/excessFracEta))));
+ */ //end Catherine code
+
+ //correct out of eta acceptance
+ excessFracEta = 1;
+ excessFracPhi = 1;
+
+ if((2*fConeSize*tpcPhiSize-coneA)!=0) phiUEptsumTrackNorm = phiUEptsumTrack*(coneA / (((2*fConeSize*tpcPhiSize)-coneA))); // pi * R^2 / (2 R * 2 pi) - trigger cone
+ if((2*fConeSize*tpcEtaSize-coneA)!=0) etaUEptsumTrackNorm = etaUEptsumTrack*(coneA / (((2*fConeSize*tpcEtaSize)-coneA))); // pi * R^2 / (2 R * 1.6) - trigger cone
+
+ if(TMath::Abs(etaC)+fConeSize > tpcEtaSize/2.)
+ {
+ Float_t excess = TMath::Abs(etaC) + fConeSize - tpcEtaSize/2.;
+ excessFracEta = CalculateExcessAreaFraction(excess);
+ if (excessFracEta != 0) coneA /= excessFracEta;
+
+ //UE band is also out of acceptance, need to estimate corrected area
+ if(((2*fConeSize-excess)*tpcPhiSize - coneA) !=0 ) phiUEptsumTrackNorm = phiUEptsumTrack*(coneA / ((((2*fConeSize-excess)*tpcPhiSize)-coneA)));
+ if(( 2*fConeSize *tpcEtaSize - coneA) !=0 ) etaUEptsumTrackNorm = etaUEptsumTrack*(coneA / ((( 2*fConeSize *tpcEtaSize)-coneA)));
+ }
+
+}
+
+//______________________________________________________________________________
+Float_t AliIsolationCut::CalculateExcessAreaFraction(const Float_t excess) const
+{
+ // Area of a circunference segment segment 1/2 R^2 (angle-sin(angle)), angle = 2*ACos((R-excess)/R)
+
+
+ Float_t angle = 2*TMath::ACos( (fConeSize-excess) / fConeSize );
+
+ Float_t coneA = fConeSize*fConeSize*TMath::Pi(); // A = pi R^2, isolation cone area
+
+ Float_t excessA = fConeSize*fConeSize / 2 * (angle-TMath::Sin(angle));
+
+ if(coneA > excessA) return coneA / (coneA-excessA);
+ else
+ {
+ printf("AliIsolationCut::CalculateExcessAreaFraction() - Please Check : Excess Track %2.3f, coneA %2.2f, excessA %2.2f, angle %2.2f,factor %2.2f\n",
+ excess,coneA, excessA, angle*TMath::RadToDeg(), coneA / (coneA-excessA));
+ return 1;
+ }
+}
+
+//_______________________________________________________________________________________
+Float_t AliIsolationCut::GetCellDensity(AliAODPWG4ParticleCorrelation * pCandidate,
+ AliCaloTrackReader * reader) const
{
// Get good cell density (number of active cells over all cells in cone)
}
+//__________________________________________________________________________________
+void AliIsolationCut::GetCoeffNormBadCell(AliAODPWG4ParticleCorrelation * pCandidate,
+ AliCaloTrackReader * reader,
+ Float_t & coneBadCellsCoeff,
+ Float_t & etaBandBadCellsCoeff,
+ Float_t & phiBandBadCellsCoeff)
+{
+ // Get good cell density (number of active cells over all cells in cone)
+
+ Double_t coneCells = 0.; //number of cells in cone with radius fConeSize
+ Double_t phiBandCells = 0.; //number of cells in band phi
+ Double_t etaBandCells = 0.; //number of cells in band eta
+
+ Float_t phiC = pCandidate->Phi() ;
+ if(phiC<0) phiC+=TMath::TwoPi();
+ Float_t etaC = pCandidate->Eta() ;
+
+ if(pCandidate->GetDetector()=="EMCAL")
+ {
+ AliEMCALGeometry* eGeom = AliEMCALGeometry::GetInstance();
+ AliCalorimeterUtils *cu = reader->GetCaloUtils();
+
+ Int_t absId = -999;
+ if (eGeom->GetAbsCellIdFromEtaPhi(etaC,phiC,absId))
+ {
+ //Get absolute (col,row) of candidate
+ Int_t iEta=-1, iPhi=-1, iRCU = -1;
+ Int_t nSupMod = cu->GetModuleNumberCellIndexes(absId, pCandidate->GetDetector(),
+ iEta, iPhi, iRCU);
+
+ Int_t colC = iEta;
+ if (nSupMod % 2) colC = AliEMCALGeoParams::fgkEMCALCols + iEta ;
+ Int_t rowC = iPhi + AliEMCALGeoParams::fgkEMCALRows*int(nSupMod/2);
+
+ Int_t sqrSize = int(fConeSize/0.0143) ; // Size of cell in radians
+ for(Int_t icol = 0; icol < 2*AliEMCALGeoParams::fgkEMCALCols-1;icol++)
+ {
+ for(Int_t irow = 0; irow < 5*AliEMCALGeoParams::fgkEMCALRows -1; irow++)
+ {
+ //loop on cells in a square of side fConeSize to check cells in cone
+ if ( Radius(colC, rowC, icol, irow) < sqrSize ) { coneCells += 1.; }
+ else if( icol>colC-sqrSize && icol<colC+sqrSize ) { phiBandCells += 1 ; }
+ else if( irow>rowC-sqrSize && irow<rowC+sqrSize ) { etaBandCells += 1 ; }
+
+ Int_t cellSM = -999;
+ Int_t cellEta = -999;
+ Int_t cellPhi = -999;
+ if(icol > AliEMCALGeoParams::fgkEMCALCols-1)
+ {
+ cellSM = 0+int(irow/AliEMCALGeoParams::fgkEMCALRows)*2;
+ cellEta = icol-AliEMCALGeoParams::fgkEMCALCols;
+ cellPhi = irow-AliEMCALGeoParams::fgkEMCALRows*int(cellSM/2);
+ }
+ if(icol < AliEMCALGeoParams::fgkEMCALCols)
+ {
+ cellSM = 1+int(irow/AliEMCALGeoParams::fgkEMCALRows)*2;
+ cellEta = icol;
+ cellPhi = irow-AliEMCALGeoParams::fgkEMCALRows*int(cellSM/2);
+ }
+
+ if( (icol < 0 || icol > AliEMCALGeoParams::fgkEMCALCols*2-1 ||
+ irow < 0 || irow > AliEMCALGeoParams::fgkEMCALRows*5 - 1) //5*nRows+1/3*nRows //Count as bad "cells" out of EMCAL acceptance
+ || (cu->GetEMCALChannelStatus(cellSM,cellEta,cellPhi)==1)) //Count as bad "cells" marked as bad in the DataBase
+ {
+ if ( Radius(colC, rowC, icol, irow) < sqrSize ) coneBadCellsCoeff += 1.;
+ else if( icol>colC-sqrSize && icol<colC+sqrSize ) phiBandBadCellsCoeff += 1 ;
+ else if( irow>rowC-sqrSize && irow<rowC+sqrSize ) etaBandBadCellsCoeff += 1 ;
+ }
+ }
+ }//end of cells loop
+ }
+
+ else if(fDebug > 0) printf("cluster with bad (eta,phi) in EMCal for energy density coeff calculation\n");
+
+ if (coneCells > 0.)
+ {
+ // printf("Energy density coneBadCellsCoeff= %.2f coneCells%.2f\n", coneBadCellsCoeff,coneCells);
+ coneBadCellsCoeff = (coneCells-coneBadCellsCoeff)/coneCells;
+ // printf("coneBadCellsCoeff= %.2f\n", coneBadCellsCoeff);
+ }
+ if (phiBandCells > 0.)
+ {
+ // printf("Energy density phiBandBadCellsCoeff = %.2f phiBandCells%.2f\n", phiBandBadCellsCoeff,phiBandCells);
+ phiBandBadCellsCoeff = (phiBandCells-phiBandBadCellsCoeff)/phiBandCells;
+ // printf("phiBandBadCellsCoeff = %.2f\n", phiBandBadCellsCoeff);
+ }
+ if (etaBandCells > 0.)
+ {
+ //printf("Energy density etaBandBadCellsCoeff = %.2f etaBandCells%.2f\n", etaBandBadCellsCoeff,etaBandCells);
+ etaBandBadCellsCoeff = (etaBandCells-etaBandBadCellsCoeff)/etaBandCells;
+ // printf("etaBandBadCellsCoeff = %.2f\n",etaBandBadCellsCoeff);
+ }
+
+ }
+
+}
+
//____________________________________________
TString AliIsolationCut::GetICParametersList()
{
}
//________________________________________________________________________________
-void AliIsolationCut::MakeIsolationCut(const TObjArray * plCTS,
- const TObjArray * plNe,
- const AliCaloTrackReader * reader,
- const AliCaloPID * pid,
+void AliIsolationCut::MakeIsolationCut(TObjArray * plCTS,
+ TObjArray * plNe,
+ AliCaloTrackReader * reader,
+ AliCaloPID * pid,
const Bool_t bFillAOD,
AliAODPWG4ParticleCorrelation *pCandidate,
const TString & aodArrayRefName,
Int_t & nfrac,
Float_t & coneptsum,
Bool_t & isolated) const
-{
+{
//Search in cone around a candidate particle if it is isolated
Float_t ptC = pCandidate->Pt() ;
Float_t phiC = pCandidate->Phi() ;
if(phiC<0) phiC+=TMath::TwoPi();
Float_t etaC = pCandidate->Eta() ;
+
Float_t pt = -100. ;
Float_t eta = -100. ;
Float_t phi = -100. ;
Float_t rad = -100. ;
+ Float_t coneptsumCluster = 0;
+ Float_t coneptsumTrack = 0;
+
+ Float_t etaBandPtSumTrack = 0;
+ Float_t phiBandPtSumTrack = 0;
+ Float_t etaBandPtSumCluster = 0;
+ Float_t phiBandPtSumCluster = 0;
+
n = 0 ;
nfrac = 0 ;
- coneptsum = 0.;
isolated = kFALSE;
-
+
if(fDebug>0)
{
printf("AliIsolationCut::MakeIsolationCut() - Cadidate pT %2.2f, eta %2.2f, phi %2.2f, cone %1.2f, thres %2.2f, Fill AOD? %d",
if( phi < 0 ) phi+=TMath::TwoPi();
+ rad = Radius(etaC, phiC, eta, phi);
+
+ // ** For the background out of cone **
+
+ if(rad > fConeSize)
+ {
+ if(eta > (etaC-fConeSize) && eta < (etaC+fConeSize)) phiBandPtSumTrack += pt;
+ if(phi > (phiC-fConeSize) && phi < (phiC+fConeSize)) etaBandPtSumTrack += pt;
+ }
+
+ // ** For the isolated particle **
+
// Only loop the particle at the same side of candidate
- if(TMath::Abs(phi-phiC)>TMath::PiOver2()) continue ;
-
+ if(TMath::Abs(phi-phiC) > TMath::PiOver2()) continue ;
+
// If at the same side has particle larger than candidate,
// then candidate can not be the leading, skip such events
if(pt > ptC)
{
n = -1;
nfrac = -1;
- coneptsum = -1;
+ coneptsumTrack = -1;
isolated = kFALSE;
-
+
pCandidate->SetLeadingParticle(kFALSE);
if(bFillAOD && reftracks)
}
//Check if there is any particle inside cone with pt larger than fPtThreshold
-
- rad = Radius(etaC, phiC, eta, phi);
- if(fDebug>0)
+ if( fDebug > 0 )
printf("\t track %d, pT %2.2f, eta %1.2f, phi %2.2f, R candidate %2.2f", ipr,pt,eta,phi,rad);
-
+
if(rad < fConeSize)
{
- if(fDebug>0) printf(" - inside candidate cone");
-
+ if(fDebug > 0) printf(" - inside candidate cone");
+
if(bFillAOD)
{
ntrackrefs++;
reftracks->Add(track);
}
-
- coneptsum+=pt;
- if(pt > fPtThreshold && pt < fPtThresholdMax) n++;
+ coneptsumTrack+=pt;
+ if(pt > fPtThreshold && pt < fPtThresholdMax) n++;
if(pt > fPtFraction*ptC ) nfrac++;
} // Inside cone
-
+
if(fDebug>0) printf("\n");
-
+
}// charged particle loop
}//Tracks
-
+
//Check neutral particles in cone.
- if(plNe &&
+ if(plNe &&
(fPartInCone==kOnlyNeutral || fPartInCone==kNeutralAndCharged))
{
TLorentzVector mom ;
if( phi < 0 ) phi+=TMath::TwoPi();
+ rad = Radius(etaC, phiC, eta, phi);
+
+ // ** For the background out of cone **
+
+ if(rad > fConeSize)
+ {
+ if(eta > (etaC-fConeSize) && eta < (etaC+fConeSize)) phiBandPtSumCluster += pt;
+ if(phi > (phiC-fConeSize) && phi < (phiC+fConeSize)) etaBandPtSumCluster += pt;
+ }
+
+ // ** For the isolated particle **
// Only loop the particle at the same side of candidate
if(TMath::Abs(phi-phiC)>TMath::PiOver2()) continue ;
{
n = -1;
nfrac = -1;
- coneptsum = -1;
+ coneptsumCluster = -1;
isolated = kFALSE;
pCandidate->SetLeadingParticle(kFALSE);
}
//Check if there is any particle inside cone with pt larger than fPtThreshold
-
- rad = Radius(etaC, phiC, eta, phi);
- if(fDebug>0)
+ if(fDebug > 0 )
printf("\t cluster %d, pT %2.2f, eta %1.2f, phi %2.2f, R candidate %2.2f", ipr,pt,eta,phi,rad);
if(rad < fConeSize)
{
- if(fDebug>0) printf(" - inside candidate cone");
-
+ if(fDebug > 0 ) printf(" - inside candidate cone");
+
if(bFillAOD)
{
nclusterrefs++;
refclusters->Add(calo);
}
- coneptsum+=pt;
- if(pt > fPtThreshold && pt < fPtThresholdMax) n++;
+ coneptsumCluster+=pt;
+ if(pt > fPtThreshold && pt < fPtThresholdMax) n++;
//if fPtFraction*ptC<fPtThreshold then consider the fPtThreshold directly
- if(fFracIsThresh){
- if( fPtFraction*ptC<fPtThreshold)
- {
- if(pt>fPtThreshold) nfrac++ ;
- }
- else
- {
- if(pt>fPtFraction*ptC) nfrac++;
- }
- }
- else {
- if(pt>fPtFraction*ptC) nfrac++;
- }
+ if(fFracIsThresh)
+ {
+ if( fPtFraction*ptC<fPtThreshold)
+ {
+ if(pt>fPtThreshold) nfrac++ ;
+ }
+ else
+ {
+ if(pt>fPtFraction*ptC) nfrac++;
+ }
+ }
+ else
+ {
+ if(pt>fPtFraction*ptC) nfrac++;
+ }
}//in cone
if(fDebug>0) printf("\n");
-
+
}// neutral particle loop
-
+
}//neutrals
if(reftracks) pCandidate->AddObjArray(reftracks);
}
+ coneptsum = coneptsumCluster+coneptsumTrack;
+
//Check isolation, depending on selected isolation criteria
if( fICMethod == kPtThresIC)
{
else if( fICMethod == kSumPtFracIC)
{
//when the fPtFraction*ptC < fSumPtThreshold then consider the later case
- if(fFracIsThresh ){
- if(fPtFraction*ptC < fSumPtThreshold && coneptsum < fSumPtThreshold) isolated = kTRUE ;
+ // printf("photon analysis IsDataMC() ?%i\n",IsDataMC());
+ if(fFracIsThresh )
+ {
+ if( fPtFraction*ptC < fSumPtThreshold && coneptsum < fSumPtThreshold) isolated = kTRUE ;
if( fPtFraction*ptC > fSumPtThreshold && coneptsum < fPtFraction*ptC) isolated = kTRUE ;
}
else
- {
- if(coneptsum < fPtFraction*ptC) isolated = kTRUE ;
- }
+ {
+ if(coneptsum < fPtFraction*ptC) isolated = kTRUE ;
+ }
}
- else if( fICMethod == kSumDensityIC)
+ else if( fICMethod == kSumDensityIC)
{
// Get good cell density (number of active cells over all cells in cone)
// and correct energy in cone
+
Float_t cellDensity = GetCellDensity(pCandidate,reader);
+
if(coneptsum < fSumPtThreshold*cellDensity)
isolated = kTRUE;
}
+ else if( fICMethod == kSumBkgSubIC)
+ {
+ Double_t coneptsumBkg = 0.;
+ Float_t etaBandPtSumTrackNorm = 0;
+ Float_t phiBandPtSumTrackNorm = 0;
+ Float_t etaBandPtSumClusterNorm = 0;
+ Float_t phiBandPtSumClusterNorm = 0;
+
+ Float_t excessFracEtaTrack = 1;
+ Float_t excessFracPhiTrack = 1;
+ Float_t excessFracEtaCluster = 1;
+ Float_t excessFracPhiCluster = 1;
+
+ // Normalize background to cone area
+ if (fPartInCone != kOnlyCharged )
+ CalculateUEBandClusterNormalization(reader, etaC, phiC,
+ phiBandPtSumCluster , etaBandPtSumCluster,
+ phiBandPtSumClusterNorm, etaBandPtSumClusterNorm,
+ excessFracEtaCluster , excessFracPhiCluster );
+ if (fPartInCone != kOnlyNeutral )
+ CalculateUEBandTrackNormalization(reader, etaC, phiC,
+ phiBandPtSumTrack , etaBandPtSumTrack ,
+ phiBandPtSumTrackNorm, etaBandPtSumTrackNorm,
+ excessFracEtaTrack , excessFracPhiTrack );
+
+ if (fPartInCone == kOnlyCharged ) coneptsumBkg = etaBandPtSumTrackNorm;
+ else if(fPartInCone == kOnlyNeutral ) coneptsumBkg = etaBandPtSumClusterNorm;
+ else if(fPartInCone == kNeutralAndCharged ) coneptsumBkg = etaBandPtSumClusterNorm + etaBandPtSumTrackNorm;
+
+ //coneptsumCluster*=(coneBadCellsCoeff*excessFracEtaCluster*excessFracPhiCluster) ; // apply this correction earlier???
+ // line commented out in last modif!!!
+
+ coneptsum = coneptsumCluster+coneptsumTrack;
+
+ coneptsum -= coneptsumBkg;
+ if(coneptsum < fSumPtThreshold)
+ isolated = kTRUE ;
+ }
}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff