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// $Id: MuonIDMod.cc,v 1.45 2011/04/05 05:03:47 ceballos Exp $
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#include "MitPhysics/Mods/interface/MuonIDMod.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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#include "MitAna/DataTree/interface/MuonFwd.h"
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#include "MitAna/DataTree/interface/ElectronFwd.h"
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#include "MitAna/DataTree/interface/VertexCol.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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using namespace mithep;
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ClassImp(mithep::MuonIDMod)
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//--------------------------------------------------------------------------------------------------
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MuonIDMod::MuonIDMod(const char *name, const char *title) :
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BaseMod(name,title),
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fMuonBranchName(Names::gkMuonBrn),
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fCleanMuonsName(ModNames::gkCleanMuonsName),
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fNonIsolatedMuonsName("random"),
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fNonIsolatedElectronsName("random"),
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fVertexName(ModNames::gkGoodVertexesName),
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fBeamSpotName(Names::gkBeamSpotBrn),
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fTrackName(Names::gkTrackBrn),
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fPFCandidatesName(Names::gkPFCandidatesBrn),
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fMuonIDType("WWMuId"),
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fMuonIsoType("TrackCaloSliding"),
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fMuonClassType("Global"),
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fTrackIsolationCut(3.0),
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fCaloIsolationCut(3.0),
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fCombIsolationCut(0.15),
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fMuonPtMin(10),
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fApplyD0Cut(kTRUE),
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fApplyDZCut(kTRUE),
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fD0Cut(0.020),
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fDZCut(0.20),
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fWhichVertex(-1),
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fEtaCut(2.4),
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fMuIDType(kIdUndef),
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fMuIsoType(kIsoUndef),
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fMuClassType(kClassUndef),
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fMuons(0),
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fVertices(0),
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fBeamSpot(0),
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fTracks(0),
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fPFCandidates(0),
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fNonIsolatedMuons(0),
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fNonIsolatedElectrons(0),
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fPileupEnergyDensityName(Names::gkPileupEnergyDensityBrn),
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fPileupEnergyDensity(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void MuonIDMod::Process()
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{
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// Process entries of the tree.
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if(fMuIsoType != kPFIsoNoL) {
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LoadEventObject(fMuonBranchName, fMuons);
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}
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else {
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fMuons = GetObjThisEvt<MuonOArr>(fMuonBranchName);
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}
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LoadEventObject(fBeamSpotName, fBeamSpot);
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LoadEventObject(fTrackName, fTracks);
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LoadEventObject(fPFCandidatesName, fPFCandidates);
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if(fMuIsoType == kTrackCaloSliding) {
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LoadEventObject(fPileupEnergyDensityName, fPileupEnergyDensity);
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}
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MuonOArr *CleanMuons = new MuonOArr;
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CleanMuons->SetName(fCleanMuonsName);
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fVertices = GetObjThisEvt<VertexOArr>(fVertexName);
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for (UInt_t i=0; i<fMuons->GetEntries(); ++i) {
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const Muon *mu = fMuons->At(i);
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Bool_t pass = kFALSE;
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Double_t pt = 0; // make sure pt is taken from the correct track!
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Double_t eta = 0; // make sure eta is taken from the correct track!
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switch (fMuClassType) {
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case kAll:
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pass = kTRUE;
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if (mu->HasTrk()) {
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pt = mu->Pt();
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eta = TMath::Abs(mu->Eta());
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}
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break;
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case kGlobal:
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pass = mu->HasGlobalTrk() && mu->IsTrackerMuon();
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if (pass && mu->TrackerTrk()) {
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pt = mu->TrackerTrk()->Pt();
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eta = TMath::Abs(mu->TrackerTrk()->Eta());
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}
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else {
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pt = mu->Pt();
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eta = TMath::Abs(mu->Eta());
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}
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break;
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case kSta:
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pass = mu->HasStandaloneTrk();
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if (pass) {
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pt = mu->StandaloneTrk()->Pt();
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eta = TMath::Abs(mu->StandaloneTrk()->Eta());
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}
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break;
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case kTrackerMuon:
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pass = mu->HasTrackerTrk() && mu->IsTrackerMuon() &&
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mu->Quality().Quality(MuonQuality::TrackerMuonArbitrated);
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if (pass) {
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pt = mu->TrackerTrk()->Pt();
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eta = TMath::Abs(mu->TrackerTrk()->Eta());
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}
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break;
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case kCaloMuon:
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pass = mu->HasTrackerTrk() && mu->IsCaloMuon();
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if (pass) {
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pt = mu->TrackerTrk()->Pt();
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eta = TMath::Abs(mu->TrackerTrk()->Eta());
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}
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break;
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case kTrackerBased:
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pass = mu->HasTrackerTrk();
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if (pass) {
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pt = mu->TrackerTrk()->Pt();
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eta = TMath::Abs(mu->TrackerTrk()->Eta());
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}
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break;
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default:
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break;
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}
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if (!pass)
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continue;
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if (pt <= fMuonPtMin)
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continue;
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if (eta >= fEtaCut)
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continue;
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Double_t RChi2 = 0.0;
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if (mu->HasGlobalTrk()) {
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RChi2 = mu->GlobalTrk()->Chi2()/mu->GlobalTrk()->Ndof();
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}
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else if(mu->BestTrk() != 0){
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RChi2 = mu->BestTrk()->Chi2()/mu->BestTrk()->Ndof();
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}
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Bool_t idpass = kFALSE;
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switch (fMuIDType) {
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case kWMuId:
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idpass = mu->BestTrk() != 0 &&
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mu->BestTrk()->NHits() > 10 &&
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RChi2 < 10.0 &&
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(mu->NSegments() > 1 || mu->NMatches() > 1) &&
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mu->BestTrk()->NPixelHits() > 0 &&
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mu->Quality().Quality(MuonQuality::GlobalMuonPromptTight);
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break;
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case kZMuId:
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idpass = mu->BestTrk() != 0 &&
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mu->BestTrk()->NHits() > 10 &&
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(mu->NSegments() > 1 || mu->NMatches() > 1) &&
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mu->BestTrk()->NPixelHits() > 0 &&
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mu->Quality().Quality(MuonQuality::GlobalMuonPromptTight);
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break;
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case kLoose:
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idpass = mu->BestTrk() != 0 &&
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mu->Quality().Quality(MuonQuality::TMOneStationLoose) &&
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mu->Quality().Quality(MuonQuality::TM2DCompatibilityLoose) &&
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mu->BestTrk()->NHits() > 10 &&
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RChi2 < 10.0 &&
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mu->Quality().Quality(MuonQuality::GlobalMuonPromptTight);
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break;
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case kTight:
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idpass = mu->BestTrk() != 0 &&
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mu->Quality().Quality(MuonQuality::TMOneStationTight) &&
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mu->Quality().Quality(MuonQuality::TM2DCompatibilityTight) &&
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mu->BestTrk()->NHits() > 10 &&
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RChi2 < 10.0 &&
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mu->Quality().Quality(MuonQuality::GlobalMuonPromptTight);
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break;
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case kWWMuId:
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idpass = mu->BestTrk() != 0 &&
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mu->BestTrk()->NHits() > 10 &&
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RChi2 < 10.0 &&
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(mu->NSegments() > 1 || mu->NMatches() > 1) &&
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mu->BestTrk()->NPixelHits() > 0 &&
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mu->Quality().Quality(MuonQuality::GlobalMuonPromptTight) &&
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mu->BestTrk()->PtErr()/mu->BestTrk()->Pt() < 0.1;
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break;
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case kNoId:
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idpass = kTRUE;
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break;
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default:
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break;
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}
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if (!idpass)
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continue;
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Bool_t isocut = kFALSE;
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switch (fMuIsoType) {
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case kTrackCalo:
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isocut = (mu->IsoR03SumPt() < fTrackIsolationCut) &&
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(mu->IsoR03EmEt() + mu->IsoR03HadEt() < fCaloIsolationCut);
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break;
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case kTrackCaloCombined:
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isocut = (1.0 * mu->IsoR03SumPt() +
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1.0 * mu->IsoR03EmEt() +
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1.0 * mu->IsoR03HadEt() < fCombIsolationCut);
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break;
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case kTrackCaloSliding:
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{
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const PileupEnergyDensity *rho = fPileupEnergyDensity->At(0);
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Double_t totalIso = mu->IsoR03SumPt() + TMath::Max(mu->IsoR03EmEt() + mu->IsoR03HadEt() - rho->Rho() * TMath::Pi() * 0.3 * 0.3, 0.0);
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// trick to change the signal region cut
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double theIsoCut = fCombIsolationCut;
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if(theIsoCut < 0.20){
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if(mu->Pt() > 20.0) theIsoCut = 0.15;
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else theIsoCut = 0.10;
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}
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if (totalIso < (mu->Pt()*theIsoCut)) isocut = kTRUE;
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}
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break;
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case kTrackCaloSlidingNoCorrection:
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{
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Double_t totalIso = 1.0 * mu->IsoR03SumPt() +
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1.0 * mu->IsoR03EmEt() +
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1.0 * mu->IsoR03HadEt();
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// trick to change the signal region cut
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double theIsoCut = fCombIsolationCut;
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if(theIsoCut < 0.20){
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if(mu->Pt() > 20.0) theIsoCut = 0.15;
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else theIsoCut = 0.10;
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}
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if (totalIso < (mu->Pt()*theIsoCut)) isocut = kTRUE;
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}
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break;
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case kPFIso:
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{
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Double_t beta = IsolationTools::BetaM(fTracks, mu, fVertices->At(0), 0.0, 0.2, 0.3, 0.02);
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if(beta == 0) beta = 1.0;
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Double_t totalIso = IsolationTools::PFMuonIsolation(mu, fPFCandidates, fVertices->At(0), 0.2, 0.5, 0.3, 0.02, 0, beta, fNonIsolatedMuons, fNonIsolatedElectrons);
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if (totalIso < (mu->Pt()*fCombIsolationCut) )
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isocut = kTRUE;
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}
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break;
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case kPFIsoNoL:
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{
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fNonIsolatedMuons = GetObjThisEvt<MuonCol>(fNonIsolatedMuonsName);
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fNonIsolatedElectrons = GetObjThisEvt<ElectronCol>(fNonIsolatedElectronsName);
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Double_t beta = IsolationTools::BetaM(fTracks, mu, fVertices->At(0), 0.0, 0.2, 0.3, 0.02);
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if(beta == 0) beta = 1.0;
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Double_t totalIso = IsolationTools::PFMuonIsolation(mu, fPFCandidates, fVertices->At(0), 0.2, 0.5, 0.3, 0.02, 3, beta, fNonIsolatedMuons, fNonIsolatedElectrons);
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if (totalIso < (mu->Pt()*fCombIsolationCut) )
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isocut = kTRUE;
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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 d0 cut
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if (fApplyD0Cut) {
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Bool_t passD0cut = kTRUE;
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if(fD0Cut < 0.05) { // trick to change the signal region cut
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if (mu->Pt() > 20.0) fD0Cut = 0.02;
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else if (mu->Pt() <= 20.0) fD0Cut = 0.01;
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}
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if(fWhichVertex >= -1) passD0cut = MuonTools::PassD0Cut(mu, fVertices, fD0Cut, fWhichVertex);
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else passD0cut = MuonTools::PassD0Cut(mu, fBeamSpot, fD0Cut);
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if (!passD0cut)
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continue;
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}
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// apply dz cut
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if (fApplyDZCut) {
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Bool_t passDZcut = MuonTools::PassDZCut(mu, fVertices, fDZCut, fWhichVertex);
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if (!passDZcut)
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continue;
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}
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// add good muon
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CleanMuons->Add(mu);
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}
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// sort according to pt
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CleanMuons->Sort();
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// add objects for other modules to use
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AddObjThisEvt(CleanMuons);
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}
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//--------------------------------------------------------------------------------------------------
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void MuonIDMod::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 muon collection branch.
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// In this case we cannot have a branch
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if (fMuonIsoType.CompareTo("PFIsoNoL") != 0) {
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ReqEventObject(fMuonBranchName, fMuons, kTRUE);
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}
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ReqEventObject(fBeamSpotName, fBeamSpot, kTRUE);
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ReqEventObject(fTrackName, fTracks, kTRUE);
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ReqEventObject(fPFCandidatesName, fPFCandidates, kTRUE);
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if (fMuonIsoType.CompareTo("TrackCaloSliding") == 0) {
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ReqEventObject(fPileupEnergyDensityName, fPileupEnergyDensity, kTRUE);
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}
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if (fMuonIDType.CompareTo("WMuId") == 0)
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fMuIDType = kWMuId;
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else if (fMuonIDType.CompareTo("ZMuId") == 0)
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fMuIDType = kZMuId;
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else if (fMuonIDType.CompareTo("Tight") == 0)
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fMuIDType = kTight;
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else if (fMuonIDType.CompareTo("Loose") == 0)
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fMuIDType = kLoose;
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else if (fMuonIDType.CompareTo("WWMuId") == 0)
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fMuIDType = kWWMuId;
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else if (fMuonIDType.CompareTo("NoId") == 0)
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fMuIDType = kNoId;
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else if (fMuonIDType.CompareTo("Custom") == 0) {
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fMuIDType = kCustomId;
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SendError(kWarning, "SlaveBegin",
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"Custom muon identification is not yet implemented.");
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} else {
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SendError(kAbortAnalysis, "SlaveBegin",
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"The specified muon identification %s is not defined.",
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fMuonIDType.Data());
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return;
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}
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if (fMuonIsoType.CompareTo("TrackCalo") == 0)
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fMuIsoType = kTrackCalo;
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else if (fMuonIsoType.CompareTo("TrackCaloCombined") == 0)
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fMuIsoType = kTrackCaloCombined;
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else if (fMuonIsoType.CompareTo("TrackCaloSliding") == 0)
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fMuIsoType = kTrackCaloSliding;
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else if (fMuonIsoType.CompareTo("TrackCaloSlidingNoCorrection") == 0)
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fMuIsoType = kTrackCaloSlidingNoCorrection;
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else if (fMuonIsoType.CompareTo("PFIso") == 0)
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fMuIsoType = kPFIso;
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else if (fMuonIsoType.CompareTo("PFIsoNoL") == 0)
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fMuIsoType = kPFIsoNoL;
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else if (fMuonIsoType.CompareTo("NoIso") == 0)
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fMuIsoType = kNoIso;
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else if (fMuonIsoType.CompareTo("Custom") == 0) {
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fMuIsoType = kCustomIso;
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SendError(kWarning, "SlaveBegin",
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"Custom muon isolation is not yet implemented.");
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} else {
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| 362 |
SendError(kAbortAnalysis, "SlaveBegin",
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"The specified muon isolation %s is not defined.",
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fMuonIsoType.Data());
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return;
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}
|
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| 368 |
if (fMuonClassType.CompareTo("All") == 0)
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fMuClassType = kAll;
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else if (fMuonClassType.CompareTo("Global") == 0)
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fMuClassType = kGlobal;
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else if (fMuonClassType.CompareTo("Standalone") == 0)
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fMuClassType = kSta;
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else if (fMuonClassType.CompareTo("TrackerMuon") == 0)
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fMuClassType = kTrackerMuon;
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else if (fMuonClassType.CompareTo("CaloMuon") == 0)
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fMuClassType = kCaloMuon;
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else if (fMuonClassType.CompareTo("TrackerBased") == 0)
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fMuClassType = kTrackerBased;
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else {
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SendError(kAbortAnalysis, "SlaveBegin",
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| 382 |
"The specified muon class %s is not defined.",
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fMuonClassType.Data());
|
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return;
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| 385 |
}
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}
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