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// $Id: ElectronIDMod.cc,v 1.25 2009/06/02 05:30:44 loizides Exp $
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#include "MitPhysics/Mods/interface/ElectronIDMod.h"
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#include "MitAna/DataTree/interface/StableData.h"
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#include "MitAna/DataTree/interface/ElectronCol.h"
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#include "MitAna/DataTree/interface/VertexCol.h"
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#include "MitAna/DataTree/interface/DecayParticleCol.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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using namespace mithep;
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ClassImp(mithep::ElectronIDMod)
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//--------------------------------------------------------------------------------------------------
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ElectronIDMod::ElectronIDMod(const char *name, const char *title) :
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BaseMod(name,title),
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fElectronBranchName(Names::gkElectronBrn),
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fConversionBranchName(Names::gkMvfConversionBrn),
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fGoodElectronsName(ModNames::gkGoodElectronsName),
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fVertexName(string("PrimaryVertexesBeamSpot").c_str()),
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fElectronIDType("Tight"),
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fElectronIsoType("TrackJuraSliding"),
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fElectronPtMin(10),
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fIDLikelihoodCut(0.9),
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fTrackIsolationCut(5.0),
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fCaloIsolationCut(5.0),
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fEcalJuraIsoCut(5.0),
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fHcalIsolationCut(5.0),
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fApplyConvFilter(kTRUE),
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fApplyD0Cut(kTRUE),
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fD0Cut(0.025),
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fReverseIsoCut(kFALSE),
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fReverseD0Cut(kFALSE),
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fElIdType(kIdUndef),
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fElIsoType(kIsoUndef),
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fElectrons(0),
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fConversions(0),
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fVertices(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMod::Process()
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{
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// Process entries of the tree.
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LoadEventObject(fElectronBranchName, fElectrons);
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ElectronOArr *GoodElectrons = new ElectronOArr;
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GoodElectrons->SetName(fGoodElectronsName);
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for (UInt_t i=0; i<fElectrons->GetEntries(); ++i) {
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const Electron *e = fElectrons->At(i);
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if (e->Pt() <= fElectronPtMin)
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continue;
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Bool_t idcut = kFALSE;
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switch (fElIdType) {
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case kTight:
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idcut = e->PassTightID();
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break;
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case kLoose:
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idcut = e->PassLooseID();
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break;
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case kLikelihood:
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idcut = (e->IDLikelihood() > fIDLikelihoodCut);
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break;
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case kNoId:
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idcut = kTRUE;
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break;
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case kCustomId:
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default:
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break;
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}
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if (!idcut)
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continue;
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Bool_t isocut = kFALSE;
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switch (fElIsoType) {
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case kTrackCalo:
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isocut = (e->TrackIsolation() < fTrackIsolationCut) &&
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(e->CaloIsolation() < fCaloIsolationCut);
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break;
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case kTrackJura:
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isocut = (e->TrackIsolation() < fTrackIsolationCut) &&
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(e->EcalJurassicIsolation() < fEcalJuraIsoCut) &&
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(e->HcalIsolation() < fHcalIsolationCut);
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break;
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case kTrackJuraSliding:
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{
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Double_t totalIso = e->TrackIsolation() + e->EcalJurassicIsolation() - 1.5;
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if ((totalIso < (e->Pt()-10.0)*5.0/15.0 && e->Pt() <= 25) ||
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(totalIso < 5.0 && e->Pt() > 25) ||
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totalIso <= 0)
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isocut = kTRUE;
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if (fReverseIsoCut == kTRUE &&
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isocut == kFALSE && totalIso < 10)
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isocut = kTRUE;
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else if(fReverseIsoCut == kTRUE)
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isocut = kFALSE;
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}
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break;
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case kNoIso:
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isocut = kTRUE;
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break;
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case kCustomIso:
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default:
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break;
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}
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if (isocut == kFALSE)
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continue;
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// apply conversion filter
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Bool_t isGoodConversion = kFALSE;
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if (fApplyConvFilter) {
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LoadBranch(fConversionBranchName);
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for (UInt_t ifc=0; ifc<fConversions->GetEntries(); ifc++) {
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Bool_t ConversionMatchFound = kFALSE;
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for (UInt_t d=0; d<fConversions->At(ifc)->NDaughters(); d++) {
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const Track *trk = dynamic_cast<const ChargedParticle*>
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(fConversions->At(ifc)->Daughter(d))->Trk();
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if (e->GsfTrk() == trk) {
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ConversionMatchFound = kTRUE;
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break;
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}
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}
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// if match between the e-track and one of the conversion legs
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if (ConversionMatchFound == kTRUE){
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isGoodConversion = (fConversions->At(ifc)->Prob() > 0.0005) &&
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(fConversions->At(ifc)->Lxy() > 0) &&
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(fConversions->At(ifc)->Lz() > 0);
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if (isGoodConversion == kTRUE) {
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for (UInt_t d=0; d<fConversions->At(ifc)->NDaughters(); d++) {
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const Track *trk = dynamic_cast<const ChargedParticle*>
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(fConversions->At(ifc)->Daughter(d))->Trk();
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if (trk) {
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// These requirements are not used for the GSF track (d == 1)
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if (!(trk->NHits() > 8 && trk->Prob() > 0.005) && d == 0)
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isGoodConversion = kFALSE;
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const StableData *sd = dynamic_cast<const StableData*>
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(fConversions->At(ifc)->DaughterDat(d));
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if (sd->NWrongHits() != 0)
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isGoodConversion = kFALSE;
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} else {
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isGoodConversion = kFALSE;
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}
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}
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}
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}
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if (isGoodConversion == kTRUE) break;
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} // loop over all conversions
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}
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if (isGoodConversion == kTRUE) continue;
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if (fApplyD0Cut) {
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Bool_t d0cut = kFALSE;
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LoadBranch(fVertexName);
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// d0 cut
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double d0_real = 99999;
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for(uint i0 = 0; i0 < fVertices->GetEntries(); i0++) {
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double pD0 = e->GsfTrk()->D0Corrected(*fVertices->At(i0));
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if(TMath::Abs(pD0) < TMath::Abs(d0_real)) d0_real = TMath::Abs(pD0);
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}
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if(d0_real < fD0Cut) d0cut = kTRUE;
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if (fReverseD0Cut == kTRUE &&
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d0cut == kFALSE && d0_real < 0.05)
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d0cut = kTRUE;
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else if(fReverseD0Cut == kTRUE)
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d0cut = kFALSE;
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if (d0cut == kFALSE)
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continue;
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}
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// add good electron
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GoodElectrons->Add(e);
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}
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// sort according to pt
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GoodElectrons->Sort();
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// add to event for other modules to use
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AddObjThisEvt(GoodElectrons);
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMod::SlaveBegin()
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{
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// Run startup code on the computer (slave) doing the actual analysis. Here,
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// we just request the electron collection branch.
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ReqEventObject(fElectronBranchName, fElectrons, kTRUE);
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if (fApplyConvFilter)
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ReqEventObject(fConversionBranchName, fConversions, kTRUE);
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if (fApplyD0Cut)
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ReqEventObject(fVertexName, fVertices, kTRUE);
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if (fElectronIDType.CompareTo("Tight") == 0)
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fElIdType = kTight;
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else if (fElectronIDType.CompareTo("Loose") == 0)
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fElIdType = kLoose;
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else if (fElectronIDType.CompareTo("Likelihood") == 0)
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fElIdType = kLikelihood;
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else if (fElectronIDType.CompareTo("NoId") == 0)
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fElIdType = kNoId;
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else if (fElectronIDType.CompareTo("Custom") == 0) {
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fElIdType = kCustomId;
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SendError(kWarning, "SlaveBegin",
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"Custom electron identification is not yet implemented.");
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} else {
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SendError(kAbortAnalysis, "SlaveBegin",
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"The specified electron identification %s is not defined.",
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fElectronIDType.Data());
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return;
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}
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if (fElectronIsoType.CompareTo("TrackCalo") == 0 )
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fElIsoType = kTrackCalo;
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else if (fElectronIsoType.CompareTo("TrackJura") == 0)
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fElIsoType = kTrackJura;
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else if(fElectronIsoType.CompareTo("TrackJuraSliding") == 0)
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fElIsoType = kTrackJuraSliding;
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else if (fElectronIsoType.CompareTo("NoIso") == 0 )
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fElIsoType = kNoIso;
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else if (fElectronIsoType.CompareTo("Custom") == 0 ) {
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fElIsoType = kCustomIso;
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SendError(kWarning, "SlaveBegin",
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"Custom electron isolation is not yet implemented.");
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} else {
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SendError(kAbortAnalysis, "SlaveBegin",
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"The specified electron isolation %s is not defined.",
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fElectronIsoType.Data());
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return;
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}
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}
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