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#include <vector>
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| 2 |
#include "MathUtils.h"
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| 3 |
#include "FSR.h"
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#include "IsolationSelection.h"
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#include "CommonDefs.h"
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#include "TLorentzVector.h"
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using namespace std;
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extern vector<bool> PFnoPUflag;
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//--------------------------------------------------------------------------------------------------
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// typeI = PF IDed photons. NB : repurpose PFnoPUflag, flip for recovered photons
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// so that they are skipped in the isolation calculation
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//--------------------------------------------------------------------------------------------------
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bool recover_typeI_Photon( ControlFlags & ctrl,
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mithep::Electron * el,
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const int electronIndex,
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vector<SimpleLepton> &lepvec,
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const mithep::Array<mithep::PFCandidate> * pfArr,
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const mithep::Array<mithep::Electron> *eleArr,
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TLorentzVector * Zvec,
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vector<const mithep::PFCandidate*> &photonsToVeto )
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//--------------------------------------------------------------------------------------------------
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{
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if( lepvec[electronIndex].fsrRecoveryAttempted ) return false;
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vector<int> photonIndices;
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for( int i=0; i<pfArr->GetEntries(); i++ ) {
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if( !(PFnoPUflag[i])) continue; // my PF no PU hack
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const mithep::PFCandidate *pf = (mithep::PFCandidate*)((*pfArr)[i]);
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if( abs(pf->PFType()) == mithep::PFCandidate::eGamma &&
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pf->Pt() > 2.0 && fabs(pf->Eta()) < 2.4 ) {
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if( ctrl.debug ) std::cerr << "FSR :: pass preselection ... pt: "<< pf->Pt() << std::endl;
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// float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(), el->Phi(), el->Eta());
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float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(),
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lepvec[electronIndex].vec.Phi(), lepvec[electronIndex].vec.Eta());
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if( ctrl.debug ) std::cerr << "FSR :: dR = " << dR << std::endl;
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//
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// veto if close to an electron SC
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//
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bool flagEleSC = false;
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for( int j=0; j<lepvec.size(); j++ ) {
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if( !(abs(lepvec[j].type) == 11 ) ) continue;
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if( !(lepvec[j].status.looseIDAndPre()) ) continue;
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double eeta=lepvec[j].vec.Eta(); double ephi=lepvec[j].vec.Phi();
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float dPhi = fabs(mithep::MathUtils::DeltaPhi(pf->Phi(),ephi));
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float dEta = fabs(pf->Eta()-eeta);
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float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(), ephi, eeta);
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if(ctrl.debug) cout << "FSR :: comparing to ele, dPhi: " << dPhi
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<< "\tdEta: " << dEta
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<< "\tetaPH: " << pf->Eta()
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<< "\tetaELH: " << eeta
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<< "\tdR:" << dR << endl;
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if( (dPhi<2.&& dEta<0.05) || dR<0.15 ) {
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flagEleSC = true;
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break;
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}
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if( flagEleSC ) break;
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}
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if( flagEleSC ) continue;
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if( ctrl.debug ) std::cerr << "FSR :: not matched to an ele SC ... " << std::endl;
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//
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// check that input electron is the closest lepton to this photon
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//
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bool found_closer_lepton=false;
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for( int j=0; j<lepvec.size(); j++ ) {
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if( j == electronIndex ) continue;
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if( !(lepvec[j].status.looseIDAndPre()) ) continue;
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float tmp_dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(),
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lepvec[j].vec.Phi(), lepvec[j].vec.Eta());
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if( tmp_dR < dR ) {
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if(ctrl.debug) cout << "FSR :: found closer lepton (j="<<j<<" : "
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<<tmp_dR<<" vs "<<dR<<") skipping..." << endl;
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found_closer_lepton=true;
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break;
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}
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}
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if( found_closer_lepton ) continue;
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//
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// Z mass OK?
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//
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TLorentzVector pvec;
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pvec.SetPtEtaPhiM( pf->Pt(), pf->Eta(), pf->Phi(), 0.);
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float newMass = (pvec + *Zvec).M();
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if( !( newMass > 4. &&
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newMass < 100. &&
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(fabs(newMass-Z_MASS) < fabs(Zvec->M()-Z_MASS))
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) ) continue;
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if( ctrl.debug ) std::cerr << "FSR :: improved Zmass ... " <<
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Zvec->M() << " -> " << newMass << std::endl;
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//
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// "keep all photons close to one of the 4L electrons ..."
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//
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if( dR < 0.07 ) {
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if( ctrl.debug ) std::cerr << "FSR :: dR < 0.07, pushing ... " << std::endl;
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photonIndices.push_back(i);
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}
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//
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// "need tighter cuts for other photons ..."
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//
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//if( dR < 0.5 && pf->Pt() > 4. && dbetaCorrectedIsoDr03(ctrl, pf, el, pfArr) < 1.0) {
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if( dR < 0.5 && pf->Pt() > 4. && nonCorrectedIsoDr03(ctrl, pf, el, pfArr) < 1.0) {
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if( ctrl.debug ) std::cerr << "FSR :: tighter cuts, pushing ... " << std::endl;
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photonIndices.push_back(i);
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}
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}
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}
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float highest_pt = -1; int highest_pt_index=-1;
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float smallest_dR = 999.; int smallest_dR_index=-1;
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for( int i=0; i<photonIndices.size(); i++ ) {
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const mithep::PFCandidate *pf = (mithep::PFCandidate*)(pfArr->At(photonIndices[i]));
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float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(), el->Phi(), el->Eta());
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if( pf->Pt() > highest_pt ) {
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highest_pt_index = photonIndices[i];
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highest_pt = pf->Pt();
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}
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if( dR < smallest_dR ) {
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smallest_dR_index = photonIndices[i];
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smallest_dR = dR;
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}
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}
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const mithep::PFCandidate * thepf;
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if( highest_pt > 4. ) {
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thepf = (const mithep::PFCandidate*)(pfArr->At(highest_pt_index));
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// "... remove it from lepton isolation ..."
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// PFnoPUflag[highest_pt_index] = 0;
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// TMP, commented flip above for FSR study
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// gammaMatches[highest_pt_index].push_back(lepvec[electronIndex].index);
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photonsToVeto.push_back(thepf);
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} else if( smallest_dR != 999. ) {
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thepf = (const mithep::PFCandidate*)(pfArr->At(smallest_dR_index));
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// "... remove it from lepton isolation ..."
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// PFnoPUflag[smallest_dR_index] = 0;
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// TMP, commented flip above for FSR study
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// gammaMatches[smallest_dR_index].push_back(lepvec[electronIndex].index);
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photonsToVeto.push_back(thepf);
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} else {
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return false;
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}
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| 153 |
if( thepf != NULL ) {
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// add to the electron
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| 155 |
TLorentzVector elvec,phvec,newelvec;
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elvec.SetPtEtaPhiM( el->Pt(), el->Eta(), el->Phi(), ELECTRON_MASS);
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phvec.SetPtEtaPhiM( thepf->Pt(), thepf->Eta(), thepf->Phi(), 0.);
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newelvec = elvec+phvec;
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// don't update the electron object, just simplelepton
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// el->SetPtEtaPhi (newelvec.Pt(),
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// newelvec.Eta(),
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// newelvec.Phi());
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lepvec[electronIndex].vec += phvec;
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lepvec[electronIndex].fsrRecoveryAttempted = true;
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return true;
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}
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return false;
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}
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//--------------------------------------------------------------------------------------------------
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| 173 |
// typeI = PF IDed photons. NB : repurpose PFnoPUflag, flip for recovered photons
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| 174 |
// so that they are skipped in the isolation calculation
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| 175 |
//--------------------------------------------------------------------------------------------------
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| 176 |
bool recover_typeI_Photon( ControlFlags & ctrl,
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mithep::Muon * mu,
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const int muonIndex,
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vector<SimpleLepton> &lepvec,
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| 180 |
const mithep::Array<mithep::PFCandidate> * pfArr,
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| 181 |
const mithep::Array<mithep::Electron> *eleArr,
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TLorentzVector * Zvec,
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vector<const mithep::PFCandidate*> &photonsToVeto )
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//--------------------------------------------------------------------------------------------------
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{
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if( lepvec[muonIndex].fsrRecoveryAttempted ) return false;
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vector<int> photonIndices;
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for( int i=0; i<pfArr->GetEntries(); i++ ) {
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if( !(PFnoPUflag[i])) continue; // my PF no PU hack
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const mithep::PFCandidate *pf = (mithep::PFCandidate*)((*pfArr)[i]);
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if( abs(pf->PFType()) == mithep::PFCandidate::eGamma &&
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pf->Pt() > 2.0 && fabs(pf->Eta()) < 2.4 ) {
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if( ctrl.debug ) std::cerr << "FSR :: pass preselection ... pt: "<< pf->Pt() << std::endl;
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// float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(), mu->Phi(), mu->Eta());
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| 200 |
float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(),
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lepvec[muonIndex].vec.Phi(), lepvec[muonIndex].vec.Eta());
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if( ctrl.debug ) std::cerr << "FSR :: dR = " << dR << std::endl;
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//
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// veto if close to an electron SC
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//
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| 206 |
bool flagEleSC = false;
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for( int j=0; j<lepvec.size(); j++ ) {
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if( !(abs(lepvec[j].type) == 11 ) ) continue;
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if( !(lepvec[j].status.looseIDAndPre()) ) continue;
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| 210 |
double eeta=lepvec[j].vec.Eta(); double ephi=lepvec[j].vec.Phi();
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| 211 |
float dPhi = fabs(mithep::MathUtils::DeltaPhi(pf->Phi(),ephi));
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| 212 |
float dEta = fabs(pf->Eta()-eeta);
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| 213 |
float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(), ephi, eeta);
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if(ctrl.debug) cout << "FSR :: comparing to ele, dPhi: " << dPhi
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| 215 |
<< "\tdEta: " << dEta
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| 216 |
<< "\tetaPH: " << pf->Eta()
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| 217 |
<< "\tetaELH: " << eeta
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| 218 |
<< "\tdR:" << dR << endl;
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| 219 |
if( (dPhi<2.&& dEta<0.05) || dR<0.15 ) {
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| 220 |
flagEleSC = true;
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break;
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}
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| 223 |
if( flagEleSC ) break;
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| 224 |
}
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| 225 |
if( flagEleSC ) continue;
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| 226 |
if( ctrl.debug ) std::cerr << "FSR :: not matched to an ele SC ... " << std::endl;
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| 227 |
|
| 228 |
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| 229 |
//
|
| 230 |
// check that input muon is the closest lepton to this photon
|
| 231 |
//
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| 232 |
bool found_closer_lepton=false;
|
| 233 |
for( int j=0; j<lepvec.size(); j++ ) {
|
| 234 |
if( j == muonIndex ) continue;
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| 235 |
if( !(lepvec[j].status.looseIDAndPre()) ) continue;
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| 236 |
float tmp_dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(),
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| 237 |
lepvec[j].vec.Phi(), lepvec[j].vec.Eta());
|
| 238 |
if( tmp_dR < dR ) {
|
| 239 |
if(ctrl.debug) cout << "FSR :: found closer lepton (j="<<j<<" : "
|
| 240 |
<<tmp_dR<<" vs "<<dR<<") skipping..." << endl;
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| 241 |
found_closer_lepton=true;
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| 242 |
break;
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| 243 |
}
|
| 244 |
}
|
| 245 |
if( found_closer_lepton ) continue;
|
| 246 |
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| 247 |
|
| 248 |
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| 249 |
//
|
| 250 |
// Z mass OK?
|
| 251 |
//
|
| 252 |
TLorentzVector pvec;
|
| 253 |
pvec.SetPtEtaPhiM( pf->Pt(), pf->Eta(), pf->Phi(), 0.);
|
| 254 |
float newMass = (pvec + *Zvec).M();
|
| 255 |
if( !( newMass > 4. &&
|
| 256 |
newMass < 100. &&
|
| 257 |
(fabs(newMass-Z_MASS) < fabs(Zvec->M()-Z_MASS))
|
| 258 |
) ) continue;
|
| 259 |
if( ctrl.debug ) std::cerr << "FSR :: improved Zmass ... " <<
|
| 260 |
Zvec->M() << " -> " << newMass << std::endl;
|
| 261 |
|
| 262 |
//
|
| 263 |
// "keep all photons close to one of the 4L muons ..."
|
| 264 |
//
|
| 265 |
if( dR < 0.07 ) {
|
| 266 |
if( ctrl.debug ) std::cerr << "FSR :: dR < 0.07, pushing ... " << std::endl;
|
| 267 |
photonIndices.push_back(i);
|
| 268 |
}
|
| 269 |
|
| 270 |
//
|
| 271 |
// "need tighter cuts for other photons ..."
|
| 272 |
//
|
| 273 |
if( ctrl.debug ) std::cerr << "FSR :: pass tighter?, pT: " << pf->Pt() << std::endl;
|
| 274 |
// if( dR < 0.5 && pf->Pt() > 4. && dbetaCorrectedIsoDr03(ctrl, pf, mu, pfArr) < 1.0) {
|
| 275 |
|
| 276 |
|
| 277 |
if( dR < 0.5 && pf->Pt() > 4. && nonCorrectedIsoDr03(ctrl, pf, mu, pfArr) < 1.0) {
|
| 278 |
if( ctrl.debug ) std::cerr << "FSR :: tighter cuts, pushing index= " << i << std::endl;
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| 279 |
photonIndices.push_back(i);
|
| 280 |
}
|
| 281 |
}
|
| 282 |
}
|
| 283 |
|
| 284 |
float highest_pt = -1; int highest_pt_index=-1;
|
| 285 |
float smallest_dR = 999.; int smallest_dR_index=-1;
|
| 286 |
for( int i=0; i<photonIndices.size(); i++ ) {
|
| 287 |
const mithep::PFCandidate *pf = (mithep::PFCandidate*)(pfArr->At(photonIndices[i]));
|
| 288 |
float dR = mithep::MathUtils::DeltaR(pf->Phi(),pf->Eta(), mu->Phi(), mu->Eta());
|
| 289 |
if( pf->Pt() > highest_pt ) {
|
| 290 |
highest_pt_index = photonIndices[i];
|
| 291 |
highest_pt = pf->Pt();
|
| 292 |
}
|
| 293 |
if( dR < smallest_dR ) {
|
| 294 |
smallest_dR_index = photonIndices[i];
|
| 295 |
smallest_dR = dR;
|
| 296 |
}
|
| 297 |
}
|
| 298 |
|
| 299 |
const mithep::PFCandidate * thepf;
|
| 300 |
if( highest_pt > 4. ) {
|
| 301 |
if(ctrl.debug) std::cerr << "FSR :: taking highest pt gamma, index = " << highest_pt_index << endl;
|
| 302 |
thepf = (const mithep::PFCandidate*)(pfArr->At(highest_pt_index));
|
| 303 |
// "... remove it from lepton isolation ..."
|
| 304 |
// PFnoPUflag[highest_pt_index] = 0;
|
| 305 |
// TMP, commented flip above for FSR study
|
| 306 |
// gammaMatches[highest_pt_index].push_back(lepvec[muonIndex].index);
|
| 307 |
photonsToVeto.push_back(thepf);
|
| 308 |
} else if( smallest_dR != 999. ) {
|
| 309 |
if(ctrl.debug) std::cerr << "FSR :: taking smallest dR gamma, index = " << highest_pt_index << endl;
|
| 310 |
thepf = (const mithep::PFCandidate*)(pfArr->At(smallest_dR_index));
|
| 311 |
// "... remove it from lepton isolation ..."
|
| 312 |
// PFnoPUflag[smallest_dR_index] = 0;
|
| 313 |
// TMP, commented flip above for FSR study
|
| 314 |
//gammaMatches[smallest_dR_index].push_back(lepvec[muonIndex].index);
|
| 315 |
photonsToVeto.push_back(thepf);
|
| 316 |
} else {
|
| 317 |
return false;
|
| 318 |
}
|
| 319 |
|
| 320 |
TLorentzVector pvec;
|
| 321 |
if( thepf != NULL ) {
|
| 322 |
// add to the muon
|
| 323 |
if( ctrl.debug ) cerr << "FSR :: before return, oldpT=" << mu->Pt() << endl;
|
| 324 |
TLorentzVector muvec,phvec,newmuvec;
|
| 325 |
muvec.SetPtEtaPhiM( mu->Pt(), mu->Eta(), mu->Phi(), MUON_MASS);
|
| 326 |
phvec.SetPtEtaPhiM( thepf->Pt(), thepf->Eta(), thepf->Phi(), 0.);
|
| 327 |
pvec = phvec;
|
| 328 |
newmuvec = muvec+phvec;
|
| 329 |
// don't update the muon object, just simplelepton
|
| 330 |
// mu->SetPtEtaPhi (newmuvec.Pt(),
|
| 331 |
// newmuvec.Eta(),
|
| 332 |
// newmuvec.Phi());
|
| 333 |
lepvec[muonIndex].vec += phvec;
|
| 334 |
lepvec[muonIndex].fsrRecoveryAttempted = true;
|
| 335 |
return true;
|
| 336 |
}
|
| 337 |
return false;
|
| 338 |
}
|
| 339 |
|
| 340 |
|
| 341 |
|
| 342 |
//--------------------------------------------------------------------------------------------------
|
| 343 |
// typeII = "PFClusters linked to muons"
|
| 344 |
//--------------------------------------------------------------------------------------------------
|
| 345 |
bool recover_typeII_Photon( ControlFlags & ctrl,
|
| 346 |
mithep::Muon * mu,
|
| 347 |
const int muonIndex,
|
| 348 |
vector<SimpleLepton> &lepvec,
|
| 349 |
const mithep::Array<mithep::PFCandidate> * pfArr )
|
| 350 |
//--------------------------------------------------------------------------------------------------
|
| 351 |
{
|
| 352 |
if( lepvec[muonIndex].fsrRecoveryAttempted ) return false;
|
| 353 |
|
| 354 |
bool foundPF=false;
|
| 355 |
const mithep::PFCandidate * thepf;
|
| 356 |
for( int i=0; i<pfArr->GetEntries(); i++ ) {
|
| 357 |
|
| 358 |
if( !(PFnoPUflag[i]) ) continue; // my PF no PU hack
|
| 359 |
const mithep::PFCandidate *pf = (mithep::PFCandidate*)((*pfArr)[i]);
|
| 360 |
if( abs(pf->PFType()) == mithep::PFCandidate::eMuon
|
| 361 |
&& (mu->TrackerTrk()==pf->TrackerTrk()))
|
| 362 |
{
|
| 363 |
if(ctrl.debug) cout << "FSR :: t2, found pf muon, pt " << mu->Pt() << endl;
|
| 364 |
foundPF = true;
|
| 365 |
thepf = pf;
|
| 366 |
break;
|
| 367 |
}
|
| 368 |
}
|
| 369 |
|
| 370 |
if( foundPF ) {
|
| 371 |
double sintet = thepf->Pt()/thepf->E();
|
| 372 |
double phpt = thepf->EECal() * sintet;
|
| 373 |
if ( thepf->EECal() >= 2.0 && phpt >= 2.0 ) {
|
| 374 |
// don't update the muon object, just simplelepton
|
| 375 |
// mu->SetPtEtaPhi (mu->Pt()+phpt,
|
| 376 |
// mu->Eta(),
|
| 377 |
// mu->Phi());
|
| 378 |
TLorentzVector pvec;
|
| 379 |
pvec.SetPtEtaPhiM( phpt,mu->Eta(),mu->Phi(),0.);
|
| 380 |
lepvec[muonIndex].vec += pvec;
|
| 381 |
if(ctrl.debug) cout << "FSR :: t2, new pt " << lepvec[muonIndex].vec.Pt() << endl;
|
| 382 |
lepvec[muonIndex].fsrRecoveryAttempted = true;
|
| 383 |
return true;
|
| 384 |
}
|
| 385 |
}
|
| 386 |
|
| 387 |
return false;
|
| 388 |
}
|
