NonMCBackground/src/SelectionEMU.cc

//***************************************************************************************************
//
// selection sync'ed with https://twiki.cern.ch/twiki/bin/viewauth/CMS/HiggsZZ4l2012SummerSync
//
//***************************************************************************************************

// system headers
#include <map>
#include <utility>

// mit headers
#include "Vertex.h"

// 4L stuff
#include "SelectionStatus.h" 
#include "EventData.h" 
#include "SimpleLepton.h" 
#include "EfficiencyWeightsInterface.h"
#include "ElectronSelection.h"
#include "MuonSelection.h"
#include "IsolationSelection.h"
#include "SelectionEMU.h"
#include "ReferenceSelection.h"
#include "Selection.h"
#include "CommonDefs.h"
#include "SelectionDefs.h"
#include "FSR.h"
#include "SelectionFuncs.h"


extern vector<SimpleLepton> failingLeptons;
extern vector<SimpleLepton> passingLeptons;

//--------------------------------------------------------------------------------------------------
EventData apply_HZZ4L_EMU_selection(ControlFlags &ctrl,           // input control 
                                        const mithep::EventHeader *info,     // input event info
                                        const mithep::Array<mithep::Vertex>       * vtxArr ,
                                        const mithep::Array<mithep::PFCandidate>  *pfCandidates,
                                        const mithep::Array<mithep::PileupEnergyDensity>  *puEnergyDensity,
                                        const mithep::Array<mithep::Electron> *electronArr,    // input electrons
                                        SelectionStatus (*ElectronPreSelector)( ControlFlags &, 
                                                                                const mithep::Electron*,
                                                                                const mithep::Vertex *),
                                        SelectionStatus (*ElectronIDSelector)( ControlFlags &, 
                                                                               const mithep::Electron*,
                                                                               const mithep::Vertex *), 
                                        SelectionStatus (*ElectronIsoSelector)( ControlFlags &, 
                                                                                const mithep::Electron*, 
                                                                                const mithep::Vertex *, 
                                                                                const mithep::Array<mithep::PFCandidate> *, 
                                                                                const mithep::Array<mithep::PileupEnergyDensity> *, 
                                                                                mithep::ElectronTools::EElectronEffectiveAreaTarget,
                                                                                vector<const mithep::PFCandidate*>),
                                        const mithep::Array<mithep::Muon> *muonArr,    // input muons
                                        SelectionStatus (*MuonPreSelector)( ControlFlags &, 
                                                                            const mithep::Muon*,
                                                                            const mithep::Vertex *,
                                                                            const mithep::Array<mithep::PFCandidate> *),
                                        SelectionStatus (*MuonIDSelector)( ControlFlags &, 
                                                                           const mithep::Muon*, 
                                                                           // const mithep::Vertex &),
                                                                           const mithep::Vertex *,
                                                                           const mithep::Array<mithep::PFCandidate> *),
                                        SelectionStatus (*MuonIsoSelector)( ControlFlags &, 
                                                                            const mithep::Muon*, 
                                                                            const mithep::Vertex *, 
                                                                            const mithep::Array<mithep::PFCandidate> *,
                                                                            const mithep::Array<mithep::PileupEnergyDensity> *, 
                                                                            mithep::MuonTools::EMuonEffectiveAreaTarget,
                                                                            vector<const mithep::PFCandidate*>)
                                        )
//--------------------------------------------------------------------------------------------------
{       

  EventData ret;
  unsigned evtfail = 0x0;
  TRandom3 r;

  failingLeptons.clear();
  passingLeptons.clear();

  mithep::MuonTools::EMuonEffectiveAreaTarget eraMu;
  mithep::ElectronTools::EElectronEffectiveAreaTarget eraEle;
  getEATargets(ctrl,eraMu,eraEle);

  const mithep::Vertex * vtx;
  bool goodVertex = setPV( ctrl, vtxArr, vtx );
  if(goodVertex) {
    ret.status.selectionBits.flip(PASS_SKIM2);
  } else {
    if(ctrl.debug) cout << "found bad vertex" << endl;
    ret.status.setStatus(SelectionStatus::FAIL);
    return ret;
  }

  //***********************************************************
  // Lepton Selection 
  //***********************************************************
  vector<SimpleLepton> lepvec;
  vector<const mithep::PFCandidate*> photonsToVeto;


  if( ctrl.debug ) cout << "\tnMuons: " << muonArr->GetEntries() << endl;
  //----------------------------------------------------
  for(int i=0; i<muonArr->GetEntries(); i++) 
    {
      const mithep::Muon *mu = (mithep::Muon*)((*muonArr)[i]);      
      
      SelectionStatus musel;

      musel |= (*MuonPreSelector)(ctrl,mu,vtx,pfCandidates);
      if( !(musel.getStatus() & SelectionStatus::PRESELECTION) ) continue;

      musel |= (*MuonIDSelector)(ctrl,mu,vtx,pfCandidates );

      if( !(ctrl.doFSR) ) { 
        musel |=  (*MuonIsoSelector)(ctrl,mu,vtx,pfCandidates,puEnergyDensity,eraMu,photonsToVeto);
      }

      SimpleLepton tmplep;
      float pt = mu->Pt();
      tmplep.vec.SetPtEtaPhiM(pt, 
                               mu->Eta(), 
                               mu->Phi(),
                               MUON_MASS);
      
      tmplep.type    = 13;
      tmplep.index   = i;
      tmplep.charge  = mu->Charge();
      tmplep.isoTrk  = mu->IsoR03SumPt();
      tmplep.isoEcal = mu->IsoR03EmEt();
      tmplep.isoHcal = mu->IsoR03HadEt();
      tmplep.isoPF04 = musel.isoPF04;
      tmplep.chisoPF04 = musel.chisoPF04;
      tmplep.gaisoPF04 = musel.gaisoPF04;
      tmplep.neisoPF04 = musel.neisoPF04;
      // tmplep.isoPF03 = computePFMuonIso(mu,vtx,pfCandidates,0.3);
      // tmplep.isoPF04 = computePFMuonIso(mu,vtx,pfCandidates,0.4);
      tmplep.ip3dSig = mu->Ip3dPVSignificance();
      tmplep.is4l    = false;
      tmplep.isEB    = (fabs(mu->Eta()) < 1.479 ? 1 : 0 ); 
      tmplep.isoMVA  = musel.isoMVA;
      tmplep.isTight = musel.tight();
      tmplep.isLoose = musel.loose();
      tmplep.status  = musel;     
      tmplep.fsrRecoveryAttempted = false;
      SelectionStatus tmpstat = PassWwMuonSel(mu,vtx,pfCandidates);
      tmplep.tightCutsApplied = tmpstat.tight();
      lepvec.push_back(tmplep);
      if( ctrl.debug ) cout << endl;
    }

    if( ctrl.debug ) { cout << "\tnElectron: " << electronArr->GetEntries() << endl; }
    // --------------------------------------------------------------------------------
    for(int i=0; i<electronArr->GetEntries(); i++) 
      {
        const mithep::Electron *ele = (mithep::Electron*)((*electronArr)[i]);

        SelectionStatus elesel;
        
        elesel |= (*ElectronPreSelector)(ctrl,ele,vtx);
        if( !(elesel.getStatus() & SelectionStatus::PRESELECTION) ) continue;
        
        elesel |= (*ElectronIDSelector)(ctrl,ele,vtx);
        
        if( !(ctrl.doFSR) ) { 
          elesel |= (*ElectronIsoSelector)(ctrl,ele,vtx,pfCandidates,puEnergyDensity,eraEle,photonsToVeto);
        }
        
        SimpleLepton tmplep;
        float pt = ele->Pt();
        tmplep.vec.SetPtEtaPhiM( pt,
                                 ele->Eta(),
                                 ele->Phi(),
                                 ELECTRON_MASS );
        
        tmplep.type    = 11;
        tmplep.index   = i;
        tmplep.charge  = ele->Charge();
        tmplep.isoTrk  = ele->TrackIsolationDr03();
        tmplep.isoEcal = ele->EcalRecHitIsoDr03();
        tmplep.isoHcal = ele->HcalTowerSumEtDr03();
        tmplep.isoPF04 = elesel.isoPF04;
        tmplep.chisoPF04 = elesel.chisoPF04;
        tmplep.gaisoPF04 = elesel.gaisoPF04;
        tmplep.neisoPF04 = elesel.neisoPF04;
        // tmplep.isoPF03 = computePFEleIso(ele,vtx,pfCandidates,0.3);
        // tmplep.isoPF04 = computePFEleIso(ele,vtx,pfCandidates,0.4);
        tmplep.ip3dSig = ele->Ip3dPVSignificance();
        tmplep.is4l    = false;
        tmplep.isEB    = ele->IsEB();
        tmplep.scID    = ele->SCluster()->GetUniqueID();
        tmplep.isTight = elesel.tight();
        tmplep.isLoose = elesel.loose();
        tmplep.status  = elesel;
        tmplep.idMVA   = elesel.idMVA;
        tmplep.isoMVA  = elesel.isoMVA;
        tmplep.fsrRecoveryAttempted = false;
        SelectionStatus tmpstat = electronTagSelection(ele,vtx,pfCandidates);
        tmplep.tightCutsApplied   = tmpstat.tight();
        lepvec.push_back(tmplep);
        if( ctrl.debug ) cout << endl;
      }

    sort( lepvec.begin(), lepvec.end(), SimpleLepton::lep_pt_sort );

    //********************************************************
    // Step 2: Lepton Cleaning
    //********************************************************
    vector<vector<SimpleLepton>::iterator> electrons_to_erase; 
    for (vector<SimpleLepton>::iterator it1=lepvec.begin(); it1 != lepvec.end(); it1++ ) {
      if ( abs(it1->type) != 11 ) continue;
      TVector3 evec = it1->vec.Vect();
      
      bool erase_this_electron=false;
      for (vector<SimpleLepton>::iterator it2=lepvec.begin(); it2 != lepvec.end(); it2++ ) {
        if ( it2 == it1 )                       continue;
        if ( abs(it2->type) != 13 )             continue;
        // if( !(it2->status.looseIDAndPre()) )    continue;
        TVector3 mvec = it2->vec.Vect();
        
        if ( evec.DrEtaPhi(mvec) < 0.05 ) {
          erase_this_electron=true;
          break;
        }
      }
      if( erase_this_electron )
        electrons_to_erase.push_back(it1);
    }
    for( int i=0; i<electrons_to_erase.size(); i++ ) {
      lepvec.erase(electrons_to_erase[i]);
    }

    //********************************************************
    // Step 3: Good Leptons
    //********************************************************
    vector<double> pt_of_leptons_to_erase; 
    for (int i=0; i<lepvec.size(); i++ ) {
      bool already_pushed=false;
      if( !(lepvec[i].status.loose()) ) { 
        pt_of_leptons_to_erase.push_back(lepvec[i].vec.Pt());
        already_pushed = true;
        failingLeptons.push_back(lepvec[i]); // these should pass preselection
      } else {
        passingLeptons.push_back(lepvec[i]);
      }
#ifndef SYNC
      if( !already_pushed && fabs(lepvec[i].ip3dSig)>4 )  
        pt_of_leptons_to_erase.push_back(lepvec[i].vec.Pt());
#endif      
    }
    for( int i=0; i<pt_of_leptons_to_erase.size(); i++ ) {
      for( vector<SimpleLepton>::iterator it=lepvec.begin(); it != lepvec.end(); it++ ) {
        SimpleLepton flep = *it;
        if( flep.vec.Pt() != pt_of_leptons_to_erase[i] ) continue;
        lepvec.erase(it);
        break;
      }
    }

    //******************************************************************************
    // W + (OF SS lepton) Selection
    //******************************************************************************
    if(has_ssof_lepton(ctrl)) {
      ret.status.setStatus(SelectionStatus::EVTPASS);
      ret.Z1leptons.push_back(passingLeptons[0]);
      ret.Z1leptons.push_back(passingLeptons[0]);
      ret.Z2leptons.push_back(passingLeptons[0]);
      ret.Z2leptons.push_back(passingLeptons[0]);
    } else {
      ret.status.setStatus(SelectionStatus::FAIL);
    }
    return ret;
}
//----------------------------------------------------------------------------------------
bool has_ssof_lepton(ControlFlags &ctrl)
{
  bool has_ssof=false;
  for(unsigned iw=0; iw<passingLeptons.size(); iw++) {
    SimpleLepton w_lep = passingLeptons[iw];
    //????????????????????????????????????????????????????????????????????????????????????????
    // this is applied in skim (skim also applies ww muon id)
    // if(abs(w_lep.type) == 11) {
    //   if( !(w_lep.tightCutsApplied) )
    //  continue;
    // }
    //????????????????????????????????????????????????????????????????????????????????????????
    for(unsigned ifake=0; ifake<failingLeptons.size(); ifake++) {
      SimpleLepton fake_lep = failingLeptons[ifake];
      if(abs(fake_lep.type) == abs(w_lep.type)) continue;
      if(fake_lep.charge != w_lep.charge) continue;
      has_ssof = true;
    }
    for(unsigned ipass=0; ipass<passingLeptons.size(); ipass++) {
      if(ipass == iw) continue;
      SimpleLepton pass_lep = passingLeptons[ipass];
      if(abs(pass_lep.type) == abs(w_lep.type)) continue;
      if(pass_lep.charge != w_lep.charge) continue;
      has_ssof = true;
    }
  }

  return has_ssof;
}
Revision:	1.7
Committed:	Mon Jun 18 06:56:17 2012 UTC (12 years, 11 months ago) by dkralph
Content type:	text/plain
Branch:	MAIN
Changes since 1.6:	+10 -90 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	dkralph	1.4	//***************************************************************************************************
2			//
3			// selection sync'ed with https://twiki.cern.ch/twiki/bin/viewauth/CMS/HiggsZZ4l2012SummerSync
4			//
5			//***************************************************************************************************
6
7			// system headers
8			#include <map>
9			#include <utility>
10
11			// mit headers
12			#include "Vertex.h"
13
14			// 4L stuff
15	khahn	1.1	#include "SelectionStatus.h"
16			#include "EventData.h"
17			#include "SimpleLepton.h"
18			#include "EfficiencyWeightsInterface.h"
19	dkralph	1.4	#include "ElectronSelection.h"
20			#include "MuonSelection.h"
21	khahn	1.1	#include "IsolationSelection.h"
22			#include "SelectionEMU.h"
23	dkralph	1.4	#include "ReferenceSelection.h"
24			#include "Selection.h"
25			#include "CommonDefs.h"
26	khahn	1.1	#include "SelectionDefs.h"
27	dkralph	1.4	#include "FSR.h"
28	dkralph	1.5	#include "SelectionFuncs.h"
29	khahn	1.1
30
31	dkralph	1.4	extern vector<SimpleLepton> failingLeptons;
32			extern vector<SimpleLepton> passingLeptons;
33	khahn	1.1
34	dkralph	1.4	//--------------------------------------------------------------------------------------------------
35			EventData apply_HZZ4L_EMU_selection(ControlFlags &ctrl, // input control
36			const mithep::EventHeader *info, // input event info
37			const mithep::Array<mithep::Vertex> * vtxArr ,
38			const mithep::Array<mithep::PFCandidate> *pfCandidates,
39			const mithep::Array<mithep::PileupEnergyDensity> *puEnergyDensity,
40			const mithep::Array<mithep::Electron> *electronArr, // input electrons
41			SelectionStatus (*ElectronPreSelector)( ControlFlags &,
42			const mithep::Electron*,
43			const mithep::Vertex *),
44			SelectionStatus (*ElectronIDSelector)( ControlFlags &,
45			const mithep::Electron*,
46			const mithep::Vertex *),
47			SelectionStatus (*ElectronIsoSelector)( ControlFlags &,
48			const mithep::Electron*,
49			const mithep::Vertex *,
50			const mithep::Array<mithep::PFCandidate> *,
51			const mithep::Array<mithep::PileupEnergyDensity> *,
52			mithep::ElectronTools::EElectronEffectiveAreaTarget,
53			vector<const mithep::PFCandidate*>),
54			const mithep::Array<mithep::Muon> *muonArr, // input muons
55			SelectionStatus (*MuonPreSelector)( ControlFlags &,
56			const mithep::Muon*,
57			const mithep::Vertex *,
58			const mithep::Array<mithep::PFCandidate> *),
59			SelectionStatus (*MuonIDSelector)( ControlFlags &,
60			const mithep::Muon*,
61			// const mithep::Vertex &),
62			const mithep::Vertex *,
63			const mithep::Array<mithep::PFCandidate> *),
64			SelectionStatus (*MuonIsoSelector)( ControlFlags &,
65			const mithep::Muon*,
66			const mithep::Vertex *,
67			const mithep::Array<mithep::PFCandidate> *,
68			const mithep::Array<mithep::PileupEnergyDensity> *,
69			mithep::MuonTools::EMuonEffectiveAreaTarget,
70			vector<const mithep::PFCandidate*>)
71			)
72			//--------------------------------------------------------------------------------------------------
73	khahn	1.1	{
74
75			EventData ret;
76			unsigned evtfail = 0x0;
77			TRandom3 r;
78
79	dkralph	1.4	failingLeptons.clear();
80			passingLeptons.clear();
81
82			mithep::MuonTools::EMuonEffectiveAreaTarget eraMu;
83			mithep::ElectronTools::EElectronEffectiveAreaTarget eraEle;
84			getEATargets(ctrl,eraMu,eraEle);
85
86			const mithep::Vertex * vtx;
87			bool goodVertex = setPV( ctrl, vtxArr, vtx );
88			if(goodVertex) {
89			ret.status.selectionBits.flip(PASS_SKIM2);
90			} else {
91			if(ctrl.debug) cout << "found bad vertex" << endl;
92			ret.status.setStatus(SelectionStatus::FAIL);
93			return ret;
94	khahn	1.1	}
95
96	dkralph	1.4	//***********************************************************
97			// Lepton Selection
98			//***********************************************************
99	khahn	1.1	vector<SimpleLepton> lepvec;
100	dkralph	1.4	vector<const mithep::PFCandidate*> photonsToVeto;
101
102	khahn	1.1
103			if( ctrl.debug ) cout << "\tnMuons: " << muonArr->GetEntries() << endl;
104			//----------------------------------------------------
105	dkralph	1.4	for(int i=0; i<muonArr->GetEntries(); i++)
106	khahn	1.1	{
107	dkralph	1.4	const mithep::Muon mu = (mithep::Muon)((*muonArr)[i]);
108	khahn	1.1
109			SelectionStatus musel;
110	dkralph	1.4
111			musel \|= (*MuonPreSelector)(ctrl,mu,vtx,pfCandidates);
112			if( !(musel.getStatus() & SelectionStatus::PRESELECTION) ) continue;
113
114			musel \|= (*MuonIDSelector)(ctrl,mu,vtx,pfCandidates );
115
116			if( !(ctrl.doFSR) ) {
117			musel \|= (*MuonIsoSelector)(ctrl,mu,vtx,pfCandidates,puEnergyDensity,eraMu,photonsToVeto);
118	khahn	1.1	}
119	dkralph	1.4
120			SimpleLepton tmplep;
121			float pt = mu->Pt();
122			tmplep.vec.SetPtEtaPhiM(pt,
123			mu->Eta(),
124			mu->Phi(),
125			MUON_MASS);
126	khahn	1.1
127	dkralph	1.4	tmplep.type = 13;
128			tmplep.index = i;
129			tmplep.charge = mu->Charge();
130			tmplep.isoTrk = mu->IsoR03SumPt();
131			tmplep.isoEcal = mu->IsoR03EmEt();
132			tmplep.isoHcal = mu->IsoR03HadEt();
133			tmplep.isoPF04 = musel.isoPF04;
134			tmplep.chisoPF04 = musel.chisoPF04;
135			tmplep.gaisoPF04 = musel.gaisoPF04;
136			tmplep.neisoPF04 = musel.neisoPF04;
137			// tmplep.isoPF03 = computePFMuonIso(mu,vtx,pfCandidates,0.3);
138			// tmplep.isoPF04 = computePFMuonIso(mu,vtx,pfCandidates,0.4);
139			tmplep.ip3dSig = mu->Ip3dPVSignificance();
140			tmplep.is4l = false;
141			tmplep.isEB = (fabs(mu->Eta()) < 1.479 ? 1 : 0 );
142			tmplep.isoMVA = musel.isoMVA;
143			tmplep.isTight = musel.tight();
144			tmplep.isLoose = musel.loose();
145			tmplep.status = musel;
146			tmplep.fsrRecoveryAttempted = false;
147	dkralph	1.6	SelectionStatus tmpstat = PassWwMuonSel(mu,vtx,pfCandidates);
148			tmplep.tightCutsApplied = tmpstat.tight();
149	dkralph	1.4	lepvec.push_back(tmplep);
150			if( ctrl.debug ) cout << endl;
151			}
152
153			if( ctrl.debug ) { cout << "\tnElectron: " << electronArr->GetEntries() << endl; }
154			// --------------------------------------------------------------------------------
155			for(int i=0; i<electronArr->GetEntries(); i++)
156			{
157			const mithep::Electron ele = (mithep::Electron)((*electronArr)[i]);
158	khahn	1.1
159	dkralph	1.4	SelectionStatus elesel;
160
161			elesel \|= (*ElectronPreSelector)(ctrl,ele,vtx);
162			if( !(elesel.getStatus() & SelectionStatus::PRESELECTION) ) continue;
163
164			elesel \|= (*ElectronIDSelector)(ctrl,ele,vtx);
165	khahn	1.1
166	dkralph	1.4	if( !(ctrl.doFSR) ) {
167			elesel \|= (*ElectronIsoSelector)(ctrl,ele,vtx,pfCandidates,puEnergyDensity,eraEle,photonsToVeto);
168	khahn	1.1	}
169
170	dkralph	1.4	SimpleLepton tmplep;
171			float pt = ele->Pt();
172			tmplep.vec.SetPtEtaPhiM( pt,
173			ele->Eta(),
174			ele->Phi(),
175			ELECTRON_MASS );
176	khahn	1.1
177	dkralph	1.4	tmplep.type = 11;
178	khahn	1.1	tmplep.index = i;
179	dkralph	1.4	tmplep.charge = ele->Charge();
180			tmplep.isoTrk = ele->TrackIsolationDr03();
181			tmplep.isoEcal = ele->EcalRecHitIsoDr03();
182			tmplep.isoHcal = ele->HcalTowerSumEtDr03();
183			tmplep.isoPF04 = elesel.isoPF04;
184			tmplep.chisoPF04 = elesel.chisoPF04;
185			tmplep.gaisoPF04 = elesel.gaisoPF04;
186			tmplep.neisoPF04 = elesel.neisoPF04;
187			// tmplep.isoPF03 = computePFEleIso(ele,vtx,pfCandidates,0.3);
188			// tmplep.isoPF04 = computePFEleIso(ele,vtx,pfCandidates,0.4);
189			tmplep.ip3dSig = ele->Ip3dPVSignificance();
190	khahn	1.1	tmplep.is4l = false;
191	dkralph	1.4	tmplep.isEB = ele->IsEB();
192			tmplep.scID = ele->SCluster()->GetUniqueID();
193			tmplep.isTight = elesel.tight();
194			tmplep.isLoose = elesel.loose();
195			tmplep.status = elesel;
196			tmplep.idMVA = elesel.idMVA;
197			tmplep.isoMVA = elesel.isoMVA;
198			tmplep.fsrRecoveryAttempted = false;
199			SelectionStatus tmpstat = electronTagSelection(ele,vtx,pfCandidates);
200			tmplep.tightCutsApplied = tmpstat.tight();
201	khahn	1.1	lepvec.push_back(tmplep);
202	dkralph	1.4	if( ctrl.debug ) cout << endl;
203	khahn	1.1	}
204	khahn	1.3
205	dkralph	1.4	sort( lepvec.begin(), lepvec.end(), SimpleLepton::lep_pt_sort );
206
207			//********************************************************
208			// Step 2: Lepton Cleaning
209			//********************************************************
210			vector<vector<SimpleLepton>::iterator> electrons_to_erase;
211			for (vector<SimpleLepton>::iterator it1=lepvec.begin(); it1 != lepvec.end(); it1++ ) {
212			if ( abs(it1->type) != 11 ) continue;
213			TVector3 evec = it1->vec.Vect();
214
215			bool erase_this_electron=false;
216			for (vector<SimpleLepton>::iterator it2=lepvec.begin(); it2 != lepvec.end(); it2++ ) {
217			if ( it2 == it1 ) continue;
218			if ( abs(it2->type) != 13 ) continue;
219	dkralph	1.7	// if( !(it2->status.looseIDAndPre()) ) continue;
220	dkralph	1.4	TVector3 mvec = it2->vec.Vect();
221	khahn	1.1
222	dkralph	1.4	if ( evec.DrEtaPhi(mvec) < 0.05 ) {
223			erase_this_electron=true;
224			break;
225	khahn	1.1	}
226	dkralph	1.4	}
227			if( erase_this_electron )
228			electrons_to_erase.push_back(it1);
229			}
230			for( int i=0; i<electrons_to_erase.size(); i++ ) {
231			lepvec.erase(electrons_to_erase[i]);
232			}
233	khahn	1.1
234			//********************************************************
235	dkralph	1.4	// Step 3: Good Leptons
236	khahn	1.1	//********************************************************
237	dkralph	1.4	vector<double> pt_of_leptons_to_erase;
238			for (int i=0; i<lepvec.size(); i++ ) {
239			bool already_pushed=false;
240			if( !(lepvec[i].status.loose()) ) {
241			pt_of_leptons_to_erase.push_back(lepvec[i].vec.Pt());
242			already_pushed = true;
243			failingLeptons.push_back(lepvec[i]); // these should pass preselection
244			} else {
245			passingLeptons.push_back(lepvec[i]);
246			}
247			#ifndef SYNC
248			if( !already_pushed && fabs(lepvec[i].ip3dSig)>4 )
249			pt_of_leptons_to_erase.push_back(lepvec[i].vec.Pt());
250			#endif
251	khahn	1.1	}
252	dkralph	1.4	for( int i=0; i<pt_of_leptons_to_erase.size(); i++ ) {
253			for( vector<SimpleLepton>::iterator it=lepvec.begin(); it != lepvec.end(); it++ ) {
254			SimpleLepton flep = *it;
255			if( flep.vec.Pt() != pt_of_leptons_to_erase[i] ) continue;
256			lepvec.erase(it);
257			break;
258			}
259	khahn	1.1	}
260	dkralph	1.4
261	khahn	1.1	//******************************************************************************
262	dkralph	1.4	// W + (OF SS lepton) Selection
263	khahn	1.1	//******************************************************************************
264	dkralph	1.7	if(has_ssof_lepton(ctrl)) {
265			ret.status.setStatus(SelectionStatus::EVTPASS);
266			ret.Z1leptons.push_back(passingLeptons[0]);
267			ret.Z1leptons.push_back(passingLeptons[0]);
268			ret.Z2leptons.push_back(passingLeptons[0]);
269			ret.Z2leptons.push_back(passingLeptons[0]);
270			} else {
271			ret.status.setStatus(SelectionStatus::FAIL);
272	khahn	1.1	}
273	dkralph	1.7	return ret;
274	dkralph	1.4	}
275			//----------------------------------------------------------------------------------------
276			bool has_ssof_lepton(ControlFlags &ctrl)
277			{
278			bool has_ssof=false;
279			for(unsigned iw=0; iw<passingLeptons.size(); iw++) {
280			SimpleLepton w_lep = passingLeptons[iw];
281			//????????????????????????????????????????????????????????????????????????????????????????
282			// this is applied in skim (skim also applies ww muon id)
283			// if(abs(w_lep.type) == 11) {
284			// if( !(w_lep.tightCutsApplied) )
285			// continue;
286			// }
287			//????????????????????????????????????????????????????????????????????????????????????????
288			for(unsigned ifake=0; ifake<failingLeptons.size(); ifake++) {
289			SimpleLepton fake_lep = failingLeptons[ifake];
290			if(abs(fake_lep.type) == abs(w_lep.type)) continue;
291			if(fake_lep.charge != w_lep.charge) continue;
292			has_ssof = true;
293			}
294			for(unsigned ipass=0; ipass<passingLeptons.size(); ipass++) {
295			if(ipass == iw) continue;
296			SimpleLepton pass_lep = passingLeptons[ipass];
297			if(abs(pass_lep.type) == abs(w_lep.type)) continue;
298			if(pass_lep.charge != w_lep.charge) continue;
299			has_ssof = true;
300	khahn	1.1	}
301	dkralph	1.4	}
302	khahn	1.1
303	dkralph	1.4	return has_ssof;
304	khahn	1.1	}