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dgele |
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "DataFormats/MuonReco/interface/MuonSelectors.h"
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#include "PhysicsTools/PatUtils/interface/MuonSelector.h"
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using pat::MuonSelector;
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using namespace reco;
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//______________________________________________________________________________
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const pat::ParticleStatus
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MuonSelector::filter( const unsigned int& index,
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const edm::View<Muon>& muons ) const
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{
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// List of possible selections
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if ( config_.selectionType == "none" )
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{
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return GOOD;
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}
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else if ( config_.selectionType == "globalMuons" )
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{
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if ( muons[index].isGlobalMuon() ) return GOOD;
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else return BAD;
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}
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else if ( config_.selectionType == "muonPOG" )
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{
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return muIdSelection_( index, muons );
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}
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else if ( config_.selectionType == "custom" )
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{
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return customSelection_( index, muons );
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}
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// Throw! unknown configuration
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throw edm::Exception(edm::errors::Configuration)
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<< "Unknown electron ID selection " << config_.selectionType;
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}
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//______________________________________________________________________________
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const pat::ParticleStatus
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MuonSelector::customSelection_( const unsigned int& index,
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const edm::View<Muon>& muons ) const
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{
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// Custom muon selection from SusyAnalyzer (TQAF has a subset of these cuts)
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// Use global muon if possible
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TrackRef muontrack;
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if ( muons[index].isGlobalMuon() )
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muontrack = muons[index].track();
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else
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muontrack = muons[index].combinedMuon();
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float pt_track = muontrack->pt();
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float dpt_track = muontrack->error(0)/muontrack->qoverp()*muontrack->pt();
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float chisq = muontrack->normalizedChi2();
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int nHitsValid = muontrack->numberOfValidHits();
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if ( dpt_track >= config_.dPbyPmax * pt_track ) return BAD;
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if ( chisq > config_.chi2max ) return BAD;
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if ( nHitsValid < config_.nHitsMin ) return BAD;
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return GOOD;
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}
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//______________________________________________________________________________
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const pat::ParticleStatus
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MuonSelector::muIdSelection_( const unsigned int& index,
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const edm::View<Muon>& muons ) const
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{
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// MuonID algorithm
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if ( muons[index].isGood(config_.flag))
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{
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return BAD;
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}
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// Direct cuts on compatibility
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if ( muons[index].caloCompatibility() <= config_.minCaloCompatibility
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|| muon::segmentCompatibility(muons[index]) <= config_.minSegmentCompatibility )
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{
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return BAD;
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}
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return GOOD;
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}
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