| 1 |
#include <vector>
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| 2 |
#include "MathUtils.h"
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| 3 |
#include "FSR.h"
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| 4 |
#include "IsolationSelection.h"
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| 5 |
#include "CommonDefs.h"
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| 6 |
#include "TLorentzVector.h"
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#include "Various.h"
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| 8 |
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| 9 |
extern vector<bool> PFnoPUflag;
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| 10 |
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| 11 |
void addPhoton(EventData &ret, TLorentzVector &pvec)
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| 12 |
{
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| 13 |
assert(ret.fsrPhotons.size() < 3);
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SimpleLepton photon;
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| 15 |
photon.vec.SetPtEtaPhiM( pvec.Pt(), pvec.Eta(), pvec.Phi(), 0);
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// don't add the same photon twice...
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if(ret.fsrPhotons.size() > 0)
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if(dr(ret.fsrPhotons[0], photon) < 0.01) return;
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if(ret.fsrPhotons.size() > 1)
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if(dr(ret.fsrPhotons[1], photon) < 0.01) return;
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| 22 |
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| 23 |
// cout << " possibly adding photon: "
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// << setw(12) << pvec.Pt()
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// << " existing: "
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// << setw(12) << ( (ret.fsrPhotons.size() > 0) ? ret.fsrPhotons[0].vec.Pt() : -1 )
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// << setw(12) << ( (ret.fsrPhotons.size() > 1) ? ret.fsrPhotons[1].vec.Pt() : -1 )
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| 28 |
// << endl;
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| 29 |
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| 30 |
if(ret.fsrPhotons.size() == 2) {
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// only want to save two, so if there's already two in the vector, store the highest two out of the three photons
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sort( ret.fsrPhotons.begin(), ret.fsrPhotons.end(), SimpleLepton::lep_pt_sort );
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| 33 |
assert(ret.fsrPhotons[0].vec.Pt() > ret.fsrPhotons[1].vec.Pt());
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| 34 |
if(ret.fsrPhotons[1].vec.Pt() < photon.vec.Pt()) {
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ret.fsrPhotons.erase(ret.fsrPhotons.begin() + 1);
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ret.fsrPhotons.push_back(photon);
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}
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} else
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ret.fsrPhotons.push_back(photon);
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sort( ret.fsrPhotons.begin(), ret.fsrPhotons.end(), SimpleLepton::lep_pt_sort );
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// cout << " possibly added photon: "
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// << setw(12) << pvec.Pt()
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// << " existing: "
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// << setw(12) << ( (ret.fsrPhotons.size() > 0) ? ret.fsrPhotons[0].vec.Pt() : -1 )
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// << setw(12) << ( (ret.fsrPhotons.size() > 1) ? ret.fsrPhotons[1].vec.Pt() : -1 )
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// << endl;
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}
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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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EventData &ret,
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Electron * el,
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const int electronIndex,
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vector<SimpleLepton> &lepvec,
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const Array<PFCandidate> * pfArr,
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const Array<Electron> *eleArr,
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TLorentzVector * Zvec,
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vector<const 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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| 66 |
for( int i=0; i<pfArr->GetEntries(); i++ ) {
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| 67 |
if( !(PFnoPUflag[i])) continue;
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const PFCandidate *pf = (PFCandidate*)((*pfArr)[i]);
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| 69 |
if( abs(pf->PFType()) == PFCandidate::eGamma &&
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| 70 |
pf->Pt() > 2.0 && fabs(pf->Eta()) < 2.4 ) {
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| 71 |
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| 72 |
if( ctrl.debug ) cout << " FSR :: pass preselection ... pt: "<< pf->Pt() << endl;
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// float dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(), el->Phi(), el->Eta());
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float dR = 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 ) cout << " FSR :: dR = " << dR << 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(MathUtils::DeltaPhi(pf->Phi(),ephi));
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float dEta = fabs(pf->Eta()-eeta);
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float dR = 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 ) cout << " FSR :: not matched to an ele SC ... " << endl;
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| 102 |
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| 103 |
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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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| 107 |
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 = MathUtils::DeltaR(pf->Phi(),pf->Eta(),
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lepvec[j].vec.Phi(), lepvec[j].vec.Eta());
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| 113 |
if( tmp_dR < dR ) {
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| 114 |
if(ctrl.debug) cout << " FSR :: found closer lepton (j="<<j<<" : "
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| 115 |
<<tmp_dR<<" vs "<<dR<<") skipping..." << endl;
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| 116 |
found_closer_lepton=true;
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break;
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| 118 |
}
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| 119 |
}
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| 120 |
if( found_closer_lepton ) continue;
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| 121 |
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| 122 |
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| 123 |
//
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| 124 |
// Z mass OK?
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//
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TLorentzVector pvec;
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| 127 |
pvec.SetPtEtaPhiM( pf->Pt(), pf->Eta(), pf->Phi(), 0.);
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| 128 |
float newMass = (pvec + *Zvec).M();
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| 129 |
if( !( newMass > 4. &&
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newMass < 100. &&
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| 131 |
(fabs(newMass-Z_MASS) < fabs(Zvec->M()-Z_MASS))
|
| 132 |
) ) continue;
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| 133 |
if( ctrl.debug ) cout << " FSR :: improved Zmass ... " <<
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| 134 |
Zvec->M() << " -> " << newMass << endl;
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| 135 |
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| 136 |
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| 137 |
//
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| 138 |
// "keep all photons close to one of the 4L electrons ..."
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| 139 |
//
|
| 140 |
if( dR < 0.07 ) {
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| 141 |
if( ctrl.debug ) cout << " FSR :: dR < 0.07, pushing ... " << endl;
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| 142 |
photonIndices.push_back(i);
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}
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| 144 |
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| 145 |
//
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| 146 |
// "need tighter cuts for other photons ..."
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| 147 |
//
|
| 148 |
//if( dR < 0.5 && pf->Pt() > 4. && dbetaCorrectedIsoDr03(ctrl, pf, el, pfArr) < 1.0) {
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| 149 |
if( dR < 0.5 && pf->Pt() > 4. && nonCorrectedIsoDr03(ctrl, pf, el, pfArr) < 1.0) {
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| 150 |
if( ctrl.debug ) cout << " FSR :: tighter cuts, pushing ... " << endl;
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| 151 |
photonIndices.push_back(i);
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| 152 |
}
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| 153 |
}
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| 154 |
}
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| 155 |
|
| 156 |
float highest_pt = -1; int highest_pt_index=-1;
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| 157 |
float smallest_dR = 999.; int smallest_dR_index=-1;
|
| 158 |
for( int i=0; i<photonIndices.size(); i++ ) {
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| 159 |
const PFCandidate *pf = (PFCandidate*)(pfArr->At(photonIndices[i]));
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| 160 |
float dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(), el->Phi(), el->Eta());
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| 161 |
if( pf->Pt() > highest_pt ) {
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| 162 |
highest_pt_index = photonIndices[i];
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| 163 |
highest_pt = pf->Pt();
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| 164 |
}
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| 165 |
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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| 170 |
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| 171 |
const PFCandidate * thepf;
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| 172 |
if( highest_pt > 4. ) {
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| 173 |
thepf = (const PFCandidate*)(pfArr->At(highest_pt_index));
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| 174 |
// "... remove it from lepton isolation ..."
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// PFnoPUflag[highest_pt_index] = 0;
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| 176 |
// TMP, commented flip above for FSR study
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| 177 |
// gammaMatches[highest_pt_index].push_back(lepvec[electronIndex].index);
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photonsToVeto.push_back(thepf);
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| 179 |
} else if( smallest_dR != 999. ) {
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thepf = (const 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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| 189 |
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| 190 |
if( thepf != NULL ) {
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| 191 |
// add to the electron
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| 192 |
TLorentzVector elvec,phvec,newelvec;
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| 193 |
elvec.SetPtEtaPhiM( el->Pt(), el->Eta(), el->Phi(), ELECTRON_MASS);
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| 194 |
phvec.SetPtEtaPhiM( thepf->Pt(), thepf->Eta(), thepf->Phi(), 0.);
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addPhoton(ret,phvec);
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newelvec = elvec+phvec;
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| 197 |
// don't update the electron object, just simplelepton
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| 198 |
// el->SetPtEtaPhi (newelvec.Pt(),
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| 199 |
// newelvec.Eta(),
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| 200 |
// newelvec.Phi());
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lepvec[electronIndex].vec += phvec;
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| 202 |
lepvec[electronIndex].fsrRecoveryAttempted = true;
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return true;
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}
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return false;
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| 206 |
}
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| 207 |
|
| 208 |
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| 209 |
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| 210 |
//--------------------------------------------------------------------------------------------------
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| 211 |
// typeI = PF IDed photons. NB : repurpose PFnoPUflag, flip for recovered photons
|
| 212 |
// so that they are skipped in the isolation calculation
|
| 213 |
//--------------------------------------------------------------------------------------------------
|
| 214 |
bool recover_typeI_Photon( ControlFlags & ctrl,
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| 215 |
EventData &ret,
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| 216 |
Muon * mu,
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| 217 |
const int muonIndex,
|
| 218 |
vector<SimpleLepton> &lepvec,
|
| 219 |
const Array<PFCandidate> * pfArr,
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| 220 |
const Array<Electron> *eleArr,
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| 221 |
TLorentzVector * Zvec,
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| 222 |
vector<const PFCandidate*> &photonsToVeto )
|
| 223 |
//--------------------------------------------------------------------------------------------------
|
| 224 |
{
|
| 225 |
if( lepvec[muonIndex].fsrRecoveryAttempted ) return false;
|
| 226 |
|
| 227 |
vector<int> photonIndices;
|
| 228 |
for( int i=0; i<pfArr->GetEntries(); i++ ) {
|
| 229 |
if( !(PFnoPUflag[i])) continue;
|
| 230 |
const PFCandidate *pf = (PFCandidate*)((*pfArr)[i]);
|
| 231 |
if( abs(pf->PFType()) == PFCandidate::eGamma &&
|
| 232 |
pf->Pt() > 2.0 && fabs(pf->Eta()) < 2.4 ) {
|
| 233 |
|
| 234 |
if( ctrl.debug ) cout << " FSR :: pass preselection ... pt: "<< pf->Pt() << endl;
|
| 235 |
// float dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(), mu->Phi(), mu->Eta());
|
| 236 |
float dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(),
|
| 237 |
lepvec[muonIndex].vec.Phi(), lepvec[muonIndex].vec.Eta());
|
| 238 |
if( ctrl.debug ) cout << " FSR :: dR = " << dR << endl;
|
| 239 |
|
| 240 |
//
|
| 241 |
// veto if close to an electron SC
|
| 242 |
//
|
| 243 |
bool flagEleSC = false;
|
| 244 |
for( int j=0; j<lepvec.size(); j++ ) {
|
| 245 |
if( !(abs(lepvec[j].type) == 11 ) ) continue;
|
| 246 |
if( !(lepvec[j].status.looseIDAndPre()) ) continue;
|
| 247 |
double eeta=lepvec[j].vec.Eta(); double ephi=lepvec[j].vec.Phi();
|
| 248 |
float dPhi = fabs(MathUtils::DeltaPhi(pf->Phi(),ephi));
|
| 249 |
float dEta = fabs(pf->Eta()-eeta);
|
| 250 |
float dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(), ephi, eeta);
|
| 251 |
if(ctrl.debug) cout << " FSR :: comparing to ele, dPhi: " << dPhi
|
| 252 |
<< "\tdEta: " << dEta
|
| 253 |
<< "\tetaPH: " << pf->Eta()
|
| 254 |
<< "\tetaELH: " << eeta
|
| 255 |
<< "\tdR:" << dR << endl;
|
| 256 |
if( (dPhi<2.&& dEta<0.05) || dR<0.15 ) {
|
| 257 |
flagEleSC = true;
|
| 258 |
break;
|
| 259 |
}
|
| 260 |
if( flagEleSC ) break;
|
| 261 |
}
|
| 262 |
if( flagEleSC ) continue;
|
| 263 |
if( ctrl.debug ) cout << " FSR :: not matched to an ele SC ... " << endl;
|
| 264 |
|
| 265 |
|
| 266 |
//
|
| 267 |
// check that input muon is the closest lepton to this photon
|
| 268 |
//
|
| 269 |
bool found_closer_lepton=false;
|
| 270 |
for( int j=0; j<lepvec.size(); j++ ) {
|
| 271 |
if( j == muonIndex ) continue;
|
| 272 |
if( !(lepvec[j].status.looseIDAndPre()) ) continue;
|
| 273 |
float tmp_dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(),
|
| 274 |
lepvec[j].vec.Phi(), lepvec[j].vec.Eta());
|
| 275 |
if( tmp_dR < dR ) {
|
| 276 |
if(ctrl.debug) cout << " FSR :: found closer lepton (j="<<j<<" : "
|
| 277 |
<<tmp_dR<<" vs "<<dR<<") skipping..." << endl;
|
| 278 |
found_closer_lepton=true;
|
| 279 |
break;
|
| 280 |
}
|
| 281 |
}
|
| 282 |
if( found_closer_lepton ) continue;
|
| 283 |
|
| 284 |
|
| 285 |
|
| 286 |
//
|
| 287 |
// Z mass OK?
|
| 288 |
//
|
| 289 |
TLorentzVector pvec;
|
| 290 |
pvec.SetPtEtaPhiM( pf->Pt(), pf->Eta(), pf->Phi(), 0.);
|
| 291 |
float newMass = (pvec + *Zvec).M();
|
| 292 |
if( !( newMass > 4. &&
|
| 293 |
newMass < 100. &&
|
| 294 |
(fabs(newMass-Z_MASS) < fabs(Zvec->M()-Z_MASS))
|
| 295 |
) ) continue;
|
| 296 |
if( ctrl.debug ) cout << " FSR :: improved Zmass ... " <<
|
| 297 |
Zvec->M() << " -> " << newMass << endl;
|
| 298 |
|
| 299 |
//
|
| 300 |
// "keep all photons close to one of the 4L muons ..."
|
| 301 |
//
|
| 302 |
if( dR < 0.07 ) {
|
| 303 |
if( ctrl.debug ) cout << " FSR :: dR < 0.07, pushing ... " << endl;
|
| 304 |
photonIndices.push_back(i);
|
| 305 |
}
|
| 306 |
|
| 307 |
//
|
| 308 |
// "need tighter cuts for other photons ..."
|
| 309 |
//
|
| 310 |
if( ctrl.debug ) cout << " FSR :: pass tighter?, pT: " << pf->Pt() << endl;
|
| 311 |
// if( dR < 0.5 && pf->Pt() > 4. && dbetaCorrectedIsoDr03(ctrl, pf, mu, pfArr) < 1.0) {
|
| 312 |
if( dR < 0.5 && pf->Pt() > 4. && nonCorrectedIsoDr03(ctrl, pf, mu, pfArr) < 1.0) {
|
| 313 |
if( ctrl.debug ) cout << " FSR :: tighter cuts, pushing index= " << i << endl;
|
| 314 |
photonIndices.push_back(i);
|
| 315 |
}
|
| 316 |
}
|
| 317 |
}
|
| 318 |
|
| 319 |
float highest_pt = -1; int highest_pt_index=-1;
|
| 320 |
float smallest_dR = 999.; int smallest_dR_index=-1;
|
| 321 |
for( int i=0; i<photonIndices.size(); i++ ) {
|
| 322 |
const PFCandidate *pf = (PFCandidate*)(pfArr->At(photonIndices[i]));
|
| 323 |
float dR = MathUtils::DeltaR(pf->Phi(),pf->Eta(), mu->Phi(), mu->Eta());
|
| 324 |
if( pf->Pt() > highest_pt ) {
|
| 325 |
highest_pt_index = photonIndices[i];
|
| 326 |
highest_pt = pf->Pt();
|
| 327 |
}
|
| 328 |
if( dR < smallest_dR ) {
|
| 329 |
smallest_dR_index = photonIndices[i];
|
| 330 |
smallest_dR = dR;
|
| 331 |
}
|
| 332 |
}
|
| 333 |
|
| 334 |
const PFCandidate * thepf;
|
| 335 |
if( highest_pt > 4. ) {
|
| 336 |
if(ctrl.debug) cout << " FSR :: taking highest pt gamma, index = " << highest_pt_index << endl;
|
| 337 |
thepf = (const PFCandidate*)(pfArr->At(highest_pt_index));
|
| 338 |
// "... remove it from lepton isolation ..."
|
| 339 |
// PFnoPUflag[highest_pt_index] = 0;
|
| 340 |
// TMP, commented flip above for FSR study
|
| 341 |
// gammaMatches[highest_pt_index].push_back(lepvec[muonIndex].index);
|
| 342 |
photonsToVeto.push_back(thepf);
|
| 343 |
} else if( smallest_dR != 999. ) {
|
| 344 |
if(ctrl.debug) cout << " FSR :: taking smallest dR gamma, index = " << highest_pt_index << endl;
|
| 345 |
thepf = (const PFCandidate*)(pfArr->At(smallest_dR_index));
|
| 346 |
// "... remove it from lepton isolation ..."
|
| 347 |
// PFnoPUflag[smallest_dR_index] = 0;
|
| 348 |
// TMP, commented flip above for FSR study
|
| 349 |
//gammaMatches[smallest_dR_index].push_back(lepvec[muonIndex].index);
|
| 350 |
photonsToVeto.push_back(thepf);
|
| 351 |
} else {
|
| 352 |
return false;
|
| 353 |
}
|
| 354 |
|
| 355 |
TLorentzVector pvec;
|
| 356 |
if( thepf != NULL ) {
|
| 357 |
// add to the muon
|
| 358 |
if( ctrl.debug ) cout << " FSR :: before return, oldpT=" << mu->Pt() << endl;
|
| 359 |
TLorentzVector muvec,phvec,newmuvec;
|
| 360 |
muvec.SetPtEtaPhiM( mu->Pt(), mu->Eta(), mu->Phi(), MUON_MASS);
|
| 361 |
phvec.SetPtEtaPhiM( thepf->Pt(), thepf->Eta(), thepf->Phi(), 0.);
|
| 362 |
addPhoton(ret,phvec);
|
| 363 |
pvec = phvec;
|
| 364 |
newmuvec = muvec+phvec;
|
| 365 |
// don't update the muon object, just simplelepton
|
| 366 |
// mu->SetPtEtaPhi (newmuvec.Pt(),
|
| 367 |
// newmuvec.Eta(),
|
| 368 |
// newmuvec.Phi());
|
| 369 |
lepvec[muonIndex].vec += phvec;
|
| 370 |
lepvec[muonIndex].fsrRecoveryAttempted = true;
|
| 371 |
return true;
|
| 372 |
}
|
| 373 |
return false;
|
| 374 |
}
|
| 375 |
|
| 376 |
|
| 377 |
|
| 378 |
//--------------------------------------------------------------------------------------------------
|
| 379 |
// typeII = "PFClusters linked to muons"
|
| 380 |
//--------------------------------------------------------------------------------------------------
|
| 381 |
bool recover_typeII_Photon( ControlFlags & ctrl,
|
| 382 |
EventData &ret,
|
| 383 |
Muon * mu,
|
| 384 |
const int muonIndex,
|
| 385 |
vector<SimpleLepton> &lepvec,
|
| 386 |
const Array<PFCandidate> * pfArr )
|
| 387 |
//--------------------------------------------------------------------------------------------------
|
| 388 |
{
|
| 389 |
if( lepvec[muonIndex].fsrRecoveryAttempted ) return false;
|
| 390 |
|
| 391 |
bool foundPF=false;
|
| 392 |
const PFCandidate * thepf;
|
| 393 |
for( int i=0; i<pfArr->GetEntries(); i++ ) {
|
| 394 |
if( !(PFnoPUflag[i])) continue;
|
| 395 |
const PFCandidate *pf = (PFCandidate*)((*pfArr)[i]);
|
| 396 |
if( abs(pf->PFType()) == PFCandidate::eMuon
|
| 397 |
&& (mu->TrackerTrk()==pf->TrackerTrk()))
|
| 398 |
{
|
| 399 |
if(ctrl.debug) cout << " FSR :: t2, found pf muon, pt " << mu->Pt() << endl;
|
| 400 |
foundPF = true;
|
| 401 |
thepf = pf;
|
| 402 |
break;
|
| 403 |
}
|
| 404 |
}
|
| 405 |
|
| 406 |
if( foundPF ) {
|
| 407 |
double sintet = thepf->Pt()/thepf->E();
|
| 408 |
double phpt = thepf->EECal() * sintet;
|
| 409 |
if ( thepf->EECal() >= 2.0 && phpt >= 2.0 ) {
|
| 410 |
// don't update the muon object, just simplelepton
|
| 411 |
// mu->SetPtEtaPhi (mu->Pt()+phpt,
|
| 412 |
// mu->Eta(),
|
| 413 |
// mu->Phi());
|
| 414 |
TLorentzVector pvec;
|
| 415 |
pvec.SetPtEtaPhiM( phpt,mu->Eta(),mu->Phi(),0.);
|
| 416 |
addPhoton(ret,pvec);
|
| 417 |
lepvec[muonIndex].vec += pvec;
|
| 418 |
if(ctrl.debug) cout << " FSR :: t2, new pt " << lepvec[muonIndex].vec.Pt() << endl;
|
| 419 |
lepvec[muonIndex].fsrRecoveryAttempted = true;
|
| 420 |
return true;
|
| 421 |
}
|
| 422 |
}
|
| 423 |
|
| 424 |
return false;
|
| 425 |
}
|
