| 1 |
loizides |
1.3 |
// $Id: GenFakesMod.cc,v 1.2 2009/07/02 12:17:32 phedex Exp $
|
| 2 |
loizides |
1.1 |
|
| 3 |
|
|
#include "MitPhysics/FakeMods/interface/GenFakesMod.h"
|
| 4 |
|
|
#include "MitCommon/MathTools/interface/MathUtils.h"
|
| 5 |
|
|
#include "MitAna/DataUtil/interface/Debug.h"
|
| 6 |
loizides |
1.3 |
#include "MitAna/DataTree/interface/ElectronCol.h"
|
| 7 |
|
|
#include "MitAna/DataTree/interface/MuonCol.h"
|
| 8 |
|
|
#include "MitAna/DataTree/interface/PhotonCol.h"
|
| 9 |
|
|
#include "MitAna/DataTree/interface/JetCol.h"
|
| 10 |
|
|
#include "MitAna/DataTree/interface/ParticleCol.h"
|
| 11 |
|
|
#include "MitAna/DataTree/interface/MCParticleCol.h"
|
| 12 |
loizides |
1.1 |
#include "MitPhysics/Init/interface/ModNames.h"
|
| 13 |
|
|
#include "MitPhysics/FakeMods/interface/FakeEventHeader.h"
|
| 14 |
loizides |
1.3 |
#include "MitPhysics/FakeMods/interface/FakeRate.h"
|
| 15 |
loizides |
1.1 |
|
| 16 |
|
|
using namespace mithep;
|
| 17 |
|
|
|
| 18 |
|
|
ClassImp(mithep::GenFakesMod)
|
| 19 |
|
|
|
| 20 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 21 |
|
|
GenFakesMod::GenFakesMod(const char *name, const char *title) :
|
| 22 |
|
|
BaseMod(name,title),
|
| 23 |
|
|
fElectronFRFilename("InputRequired"),
|
| 24 |
|
|
fMuonFRFilename("InputRequired"),
|
| 25 |
|
|
fUse2DFakeRate(false),
|
| 26 |
|
|
fUseFitFunction(false),
|
| 27 |
|
|
fElectronFRFunctionName("InputRequired"),
|
| 28 |
|
|
fMuonFRFunctionName("InputRequired"),
|
| 29 |
|
|
fElectronFRHistName("InputRequired"),
|
| 30 |
|
|
fMuonFRHistName("InputRequired"),
|
| 31 |
|
|
fCleanElectronsName(ModNames::gkCleanElectronsName),
|
| 32 |
|
|
fCleanMuonsName(ModNames::gkCleanMuonsName),
|
| 33 |
|
|
fCleanPhotonsName(ModNames::gkCleanPhotonsName),
|
| 34 |
|
|
fCleanJetsName(ModNames::gkCleanJetsName),
|
| 35 |
loizides |
1.3 |
fMCLeptonsName(ModNames::gkMCLeptonsName),
|
| 36 |
|
|
fMCTausName(ModNames::gkMCTausName),
|
| 37 |
phedex |
1.2 |
fElFakeableObjsName(ModNames::gkElFakeableObjsName),
|
| 38 |
|
|
fMuFakeableObjsName(ModNames::gkMuFakeableObjsName),
|
| 39 |
loizides |
1.1 |
fFakeEventHeadersName(ModNames::gkFakeEventHeadersName)
|
| 40 |
|
|
{
|
| 41 |
|
|
// Constructor.
|
| 42 |
|
|
}
|
| 43 |
|
|
|
| 44 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 45 |
|
|
void GenFakesMod::LoadFakeRate()
|
| 46 |
|
|
{
|
| 47 |
|
|
//Load FakeRate Probabilities.
|
| 48 |
|
|
fFakeRate = new FakeRate(fElectronFRFilename,fMuonFRFilename,fElectronFRFunctionName,
|
| 49 |
|
|
fMuonFRFunctionName,fElectronFRHistName,
|
| 50 |
|
|
fMuonFRHistName,fUse2DFakeRate, fUseFitFunction );
|
| 51 |
|
|
}
|
| 52 |
|
|
|
| 53 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 54 |
|
|
void GenFakesMod::Process()
|
| 55 |
|
|
{
|
| 56 |
|
|
// Process entries of the tree.
|
| 57 |
|
|
|
| 58 |
|
|
// get input Fakeable object collections
|
| 59 |
phedex |
1.2 |
const ElectronCol *ElFakeableObjs = 0;
|
| 60 |
|
|
if (!fElFakeableObjsName.IsNull())
|
| 61 |
|
|
ElFakeableObjs = GetObjThisEvt<ElectronCol>(fElFakeableObjsName);
|
| 62 |
|
|
const MuonCol *MuFakeableObjs = 0;
|
| 63 |
|
|
if (!fMuFakeableObjsName.IsNull())
|
| 64 |
|
|
MuFakeableObjs = GetObjThisEvt<MuonCol>(fMuFakeableObjsName);
|
| 65 |
loizides |
1.1 |
|
| 66 |
|
|
// get input clean object collections
|
| 67 |
|
|
const ElectronCol *CleanElectrons = 0;
|
| 68 |
|
|
if (!fCleanElectronsName.IsNull())
|
| 69 |
|
|
CleanElectrons = GetObjThisEvt<ElectronCol>(fCleanElectronsName);
|
| 70 |
|
|
const MuonCol *CleanMuons = 0;
|
| 71 |
|
|
if (!fCleanMuonsName.IsNull())
|
| 72 |
|
|
CleanMuons = GetObjThisEvt<MuonCol>(fCleanMuonsName);
|
| 73 |
|
|
const PhotonCol *CleanPhotons = 0;
|
| 74 |
|
|
if (!fCleanPhotonsName.IsNull())
|
| 75 |
|
|
CleanPhotons = GetObjThisEvt<PhotonCol>(fCleanPhotonsName);
|
| 76 |
|
|
const JetCol *CleanJets = 0;
|
| 77 |
|
|
if (!fCleanJetsName.IsNull())
|
| 78 |
|
|
CleanJets = GetObjThisEvt<JetCol>(fCleanJetsName);
|
| 79 |
|
|
mithep::ParticleOArr *CleanLeptons = dynamic_cast<mithep::ParticleOArr*>
|
| 80 |
|
|
(FindObjThisEvt(ModNames::gkMergedLeptonsName));
|
| 81 |
|
|
|
| 82 |
|
|
//get monte carlo collections
|
| 83 |
|
|
const MCParticleCol *GenLeptons = 0;
|
| 84 |
|
|
if (!fMCLeptonsName.IsNull())
|
| 85 |
|
|
GenLeptons = GetObjThisEvt<MCParticleCol>(fMCLeptonsName);
|
| 86 |
|
|
const MCParticleCol *GenTaus = 0;
|
| 87 |
|
|
if (!fMCTausName.IsNull())
|
| 88 |
|
|
GenTaus = GetObjThisEvt<MCParticleCol>(fMCTausName);
|
| 89 |
|
|
ObjArray<MCParticle> *GenLeptonsAndTaus = new ObjArray<MCParticle>;
|
| 90 |
|
|
if (GenLeptons) {
|
| 91 |
|
|
for (UInt_t i=0; i<GenLeptons->GetEntries(); i++)
|
| 92 |
|
|
GenLeptonsAndTaus->Add(GenLeptons->At(i));
|
| 93 |
|
|
}
|
| 94 |
|
|
if (GenTaus) {
|
| 95 |
|
|
for (UInt_t i=0; i<GenTaus->GetEntries(); i++)
|
| 96 |
|
|
GenLeptonsAndTaus->Add(GenTaus->At(i));
|
| 97 |
|
|
}
|
| 98 |
|
|
|
| 99 |
|
|
// create final output collection
|
| 100 |
|
|
ObjArray <FakeEventHeader> *FakeEventHeaders = new ObjArray <FakeEventHeader> ;
|
| 101 |
|
|
FakeEventHeaders->SetOwner(kTRUE);
|
| 102 |
|
|
|
| 103 |
|
|
//initialize with one fake event containing no fake objects and all jets.
|
| 104 |
|
|
FakeEventHeader *initialFakeEvent = new FakeEventHeader();
|
| 105 |
|
|
for (UInt_t j=0;j<CleanJets->GetEntries();j++)
|
| 106 |
|
|
initialFakeEvent->AddJets(CleanJets->At(j));
|
| 107 |
|
|
|
| 108 |
|
|
FakeEventHeaders->AddOwned(initialFakeEvent);
|
| 109 |
|
|
|
| 110 |
|
|
// *****************************************************************************************
|
| 111 |
|
|
// Fake into Muons
|
| 112 |
|
|
// Loop through all Muon Fakeable objects and consider the fake possibility.
|
| 113 |
|
|
// *****************************************************************************************
|
| 114 |
phedex |
1.2 |
for (UInt_t n = 0; n < MuFakeableObjs->GetEntries();n++) {
|
| 115 |
loizides |
1.1 |
|
| 116 |
|
|
//make temporary fake event headers array
|
| 117 |
|
|
ObjArray <FakeEventHeader> *tempFakeEventHeaders = new ObjArray <FakeEventHeader> ;
|
| 118 |
|
|
tempFakeEventHeaders->SetOwner(kTRUE);
|
| 119 |
|
|
|
| 120 |
|
|
//loop over all fake events generated so far - and perform an additional fake if necessary
|
| 121 |
|
|
for (UInt_t i=0; i<FakeEventHeaders->GetEntries();i++) {
|
| 122 |
|
|
|
| 123 |
|
|
// *****************************************************************************************
|
| 124 |
|
|
// Determine if the fakeable object was a clean lepton
|
| 125 |
|
|
// *****************************************************************************************
|
| 126 |
|
|
Bool_t isCleanLepton = false;
|
| 127 |
|
|
for (UInt_t j = 0; j < CleanLeptons->GetEntries() ; j++) {
|
| 128 |
phedex |
1.2 |
Double_t deltaR = MathUtils::DeltaR(MuFakeableObjs->At(n)->Phi(),
|
| 129 |
|
|
MuFakeableObjs->At(n)->Eta(),
|
| 130 |
loizides |
1.1 |
CleanLeptons->At(j)->Phi(), CleanLeptons->At(j)->Eta());
|
| 131 |
|
|
|
| 132 |
|
|
if (deltaR < 0.3) {
|
| 133 |
|
|
isCleanLepton = true;
|
| 134 |
|
|
break;
|
| 135 |
|
|
}
|
| 136 |
|
|
}
|
| 137 |
|
|
|
| 138 |
|
|
// *****************************************************************************************
|
| 139 |
|
|
// Determine if the fakeable object was a real muon from Monte Carlo
|
| 140 |
|
|
// *****************************************************************************************
|
| 141 |
|
|
Bool_t isGenMuon = false;
|
| 142 |
|
|
for (UInt_t l=0; l<GenLeptonsAndTaus->GetEntries(); l++) {
|
| 143 |
phedex |
1.2 |
if (MathUtils::DeltaR(MuFakeableObjs->At(n)->Phi(), MuFakeableObjs->At(n)->Eta(),
|
| 144 |
loizides |
1.1 |
GenLeptonsAndTaus->At(l)->Phi(),
|
| 145 |
|
|
GenLeptonsAndTaus->At(l)->Eta()) < 0.3) {
|
| 146 |
|
|
isGenMuon = true;
|
| 147 |
|
|
break;
|
| 148 |
|
|
}
|
| 149 |
|
|
}
|
| 150 |
|
|
|
| 151 |
|
|
//this is used to determine the weight of the unfaked event.
|
| 152 |
|
|
double totalCumulativeFakeProbability = 0.0;
|
| 153 |
|
|
|
| 154 |
|
|
// *****************************************************************************************
|
| 155 |
|
|
// Perform Muon Fake
|
| 156 |
|
|
// *****************************************************************************************
|
| 157 |
|
|
|
| 158 |
|
|
//match fake to one of the jets
|
| 159 |
|
|
int fakeToJetMatch = -1; //index of the jet that matches to the fake
|
| 160 |
|
|
double minDR = 5000;
|
| 161 |
|
|
for (UInt_t jj=0;jj<FakeEventHeaders->At(i)->NJets();jj++) {
|
| 162 |
|
|
Double_t deltaR = MathUtils::DeltaR(FakeEventHeaders->At(i)->UnfakedJet(jj)->Mom(),
|
| 163 |
phedex |
1.2 |
MuFakeableObjs->At(n)->Mom());
|
| 164 |
loizides |
1.1 |
if (deltaR < minDR) {
|
| 165 |
|
|
minDR = deltaR;
|
| 166 |
|
|
fakeToJetMatch = jj;
|
| 167 |
|
|
}
|
| 168 |
|
|
}
|
| 169 |
|
|
if (!(minDR < 0.5)) {
|
| 170 |
|
|
fakeToJetMatch = -1;
|
| 171 |
|
|
}
|
| 172 |
|
|
|
| 173 |
|
|
//Obtain the muon FakeRate
|
| 174 |
|
|
Double_t muonFakeProb = 0.0;
|
| 175 |
|
|
Double_t muonFakeProbLowError = 0.0;
|
| 176 |
|
|
Double_t muonFakeProbHighError = 0.0;
|
| 177 |
|
|
if(fFakeRate) {
|
| 178 |
phedex |
1.2 |
muonFakeProb = fFakeRate->MuonFakeRate(MuFakeableObjs->At(n)->Et(),
|
| 179 |
|
|
MuFakeableObjs->At(n)->Eta(),
|
| 180 |
|
|
MuFakeableObjs->At(n)->Phi());
|
| 181 |
|
|
muonFakeProbLowError = fFakeRate->MuonFakeRateError(MuFakeableObjs->At(n)->Et(),
|
| 182 |
|
|
MuFakeableObjs->At(n)->Eta(),
|
| 183 |
|
|
MuFakeableObjs->At(n)->Phi());
|
| 184 |
|
|
muonFakeProbHighError = fFakeRate->MuonFakeRateError(MuFakeableObjs->At(n)->Et(),
|
| 185 |
|
|
MuFakeableObjs->At(n)->Eta(),
|
| 186 |
|
|
MuFakeableObjs->At(n)->Phi());
|
| 187 |
loizides |
1.1 |
} else {
|
| 188 |
|
|
cerr << "Error: fFakeRate is a NULL pointer.\n";
|
| 189 |
|
|
assert(false);
|
| 190 |
|
|
}
|
| 191 |
|
|
|
| 192 |
|
|
//only fake into a muon if the fakeable object did not match to a clean lepton
|
| 193 |
|
|
if (!isCleanLepton) {
|
| 194 |
|
|
|
| 195 |
|
|
//create new fake event header
|
| 196 |
|
|
FakeEventHeader *fakeMuonEvent = new FakeEventHeader();
|
| 197 |
|
|
fakeMuonEvent->SetWeight(FakeEventHeaders->At(i)->Weight() * muonFakeProb);
|
| 198 |
|
|
fakeMuonEvent->SetWeightLowError(FakeEventHeaders->At(i)->Weight()*muonFakeProb*
|
| 199 |
|
|
TMath::Sqrt((FakeEventHeaders->At(i)->WeightLowError()/
|
| 200 |
|
|
FakeEventHeaders->At(i)->Weight())*
|
| 201 |
|
|
(FakeEventHeaders->At(i)->WeightLowError()/
|
| 202 |
|
|
FakeEventHeaders->At(i)->Weight()) +
|
| 203 |
|
|
(muonFakeProbLowError/muonFakeProb)*
|
| 204 |
|
|
(muonFakeProbLowError/muonFakeProb)
|
| 205 |
|
|
));
|
| 206 |
|
|
fakeMuonEvent->SetWeightHighError(FakeEventHeaders->At(i)->Weight()*muonFakeProb*
|
| 207 |
|
|
TMath::Sqrt((FakeEventHeaders->At(i)->WeightHighError()/
|
| 208 |
|
|
FakeEventHeaders->At(i)->Weight())*
|
| 209 |
|
|
(FakeEventHeaders->At(i)->WeightHighError()/
|
| 210 |
|
|
FakeEventHeaders->At(i)->Weight()) +
|
| 211 |
|
|
(muonFakeProbHighError/muonFakeProb)*
|
| 212 |
|
|
(muonFakeProbHighError/muonFakeProb)
|
| 213 |
|
|
));
|
| 214 |
|
|
|
| 215 |
|
|
//add all previous fakes
|
| 216 |
|
|
for (UInt_t f=0;f<FakeEventHeaders->At(i)->FakeObjsSize();f++) {
|
| 217 |
|
|
fakeMuonEvent->AddFakeObject(FakeEventHeaders->At(i)->FakeObj(f));
|
| 218 |
|
|
}
|
| 219 |
|
|
//add new fake
|
| 220 |
phedex |
1.2 |
fakeMuonEvent->AddFakeObject(MuFakeableObjs->At(n),kMuon,isCleanLepton,isGenMuon);
|
| 221 |
loizides |
1.1 |
|
| 222 |
|
|
//add all previous jets except the one matching to the new fake
|
| 223 |
|
|
for (UInt_t jj=0;jj<FakeEventHeaders->At(i)->NJets();jj++) {
|
| 224 |
loizides |
1.3 |
if ((int)jj != fakeToJetMatch)
|
| 225 |
loizides |
1.1 |
fakeMuonEvent->AddJets(FakeEventHeaders->At(i)->UnfakedJet(jj));
|
| 226 |
|
|
}
|
| 227 |
|
|
|
| 228 |
|
|
//add fake event to the temporary fake event header array
|
| 229 |
|
|
tempFakeEventHeaders->AddOwned(fakeMuonEvent);
|
| 230 |
|
|
|
| 231 |
|
|
//increase cumulative fake probability
|
| 232 |
|
|
totalCumulativeFakeProbability += muonFakeProb;
|
| 233 |
|
|
}
|
| 234 |
|
|
|
| 235 |
|
|
// *****************************************************************************************
|
| 236 |
|
|
// Do not fake into Muon
|
| 237 |
|
|
// *****************************************************************************************
|
| 238 |
|
|
//create new fake event header
|
| 239 |
|
|
FakeEventHeader *notFakeEvent = new FakeEventHeader();
|
| 240 |
|
|
notFakeEvent->SetWeight(FakeEventHeaders->At(i)->Weight() *
|
| 241 |
|
|
(1-totalCumulativeFakeProbability));
|
| 242 |
|
|
//add previous fakes
|
| 243 |
|
|
for (UInt_t f=0;f<FakeEventHeaders->At(i)->FakeObjsSize();f++) {
|
| 244 |
|
|
notFakeEvent->AddFakeObject(FakeEventHeaders->At(i)->FakeObj(f));
|
| 245 |
|
|
}
|
| 246 |
|
|
//add previous jets
|
| 247 |
|
|
for (UInt_t jj=0;jj<FakeEventHeaders->At(i)->NJets();jj++) {
|
| 248 |
|
|
notFakeEvent->AddJets(FakeEventHeaders->At(i)->UnfakedJet(jj));
|
| 249 |
|
|
}
|
| 250 |
|
|
tempFakeEventHeaders->AddOwned(notFakeEvent);
|
| 251 |
|
|
|
| 252 |
|
|
} //loop over all current fake event headers
|
| 253 |
|
|
|
| 254 |
|
|
//replace current fake event headers with the new temporary ones.
|
| 255 |
|
|
delete FakeEventHeaders;
|
| 256 |
|
|
FakeEventHeaders = tempFakeEventHeaders;
|
| 257 |
|
|
} //loop over all muon fakeable objects
|
| 258 |
|
|
|
| 259 |
|
|
|
| 260 |
|
|
// *****************************************************************************************
|
| 261 |
|
|
// Fake into Electrons
|
| 262 |
|
|
// Loop through all Electron Fakeable objects and consider the fake possibility.
|
| 263 |
|
|
// *****************************************************************************************
|
| 264 |
phedex |
1.2 |
for (UInt_t n = 0; n < ElFakeableObjs->GetEntries();n++) {
|
| 265 |
loizides |
1.1 |
|
| 266 |
|
|
//make temporary fake event headers array
|
| 267 |
|
|
ObjArray <FakeEventHeader> *tempFakeEventHeaders = new ObjArray <FakeEventHeader> ;
|
| 268 |
|
|
tempFakeEventHeaders->SetOwner(kTRUE);
|
| 269 |
|
|
|
| 270 |
|
|
//loop over all fake events generated so far - and perform an additional fake if necessary
|
| 271 |
|
|
for (UInt_t i=0; i<FakeEventHeaders->GetEntries();i++) {
|
| 272 |
|
|
|
| 273 |
|
|
// *****************************************************************************************
|
| 274 |
|
|
// Determine if the fakeable object was a clean lepton
|
| 275 |
|
|
// *****************************************************************************************
|
| 276 |
|
|
Bool_t isCleanLepton = false;
|
| 277 |
|
|
for (UInt_t j = 0; j < CleanLeptons->GetEntries() ; j++) {
|
| 278 |
phedex |
1.2 |
Double_t deltaR = MathUtils::DeltaR(ElFakeableObjs->At(n)->Phi(),
|
| 279 |
|
|
ElFakeableObjs->At(n)->Eta(),
|
| 280 |
loizides |
1.1 |
CleanLeptons->At(j)->Phi(), CleanLeptons->At(j)->Eta());
|
| 281 |
|
|
|
| 282 |
|
|
if (deltaR < 0.3) {
|
| 283 |
|
|
isCleanLepton = true;
|
| 284 |
|
|
break;
|
| 285 |
|
|
}
|
| 286 |
|
|
}
|
| 287 |
|
|
|
| 288 |
|
|
// *****************************************************************************************
|
| 289 |
|
|
// Determine if the fakeable object was a real electron from Monte Carlo
|
| 290 |
|
|
// *****************************************************************************************
|
| 291 |
|
|
Bool_t isGenElectron = false;
|
| 292 |
|
|
for (UInt_t l=0; l<GenLeptonsAndTaus->GetEntries(); l++) {
|
| 293 |
phedex |
1.2 |
if (MathUtils::DeltaR(ElFakeableObjs->At(n)->Phi(),
|
| 294 |
|
|
ElFakeableObjs->At(n)->Eta(),
|
| 295 |
loizides |
1.1 |
GenLeptonsAndTaus->At(l)->Phi(),
|
| 296 |
|
|
GenLeptonsAndTaus->At(l)->Eta()) < 0.3) {
|
| 297 |
|
|
isGenElectron = true;
|
| 298 |
|
|
}
|
| 299 |
|
|
}
|
| 300 |
|
|
|
| 301 |
|
|
|
| 302 |
|
|
//this is used to determine the weight of the unfaked event.
|
| 303 |
|
|
double totalCumulativeFakeProbability = 0.0;
|
| 304 |
|
|
|
| 305 |
|
|
// *****************************************************************************************
|
| 306 |
|
|
// Determine if the current electron fakeable object already corresponds to one of the
|
| 307 |
|
|
// fake muons already in the FakeEventHeader, determined based on deltaR proximity.
|
| 308 |
|
|
// If the current electron fakeable object corresponds to one of the fake muon, then
|
| 309 |
|
|
// we do not allow it to fake an electron, since one denominator cannot fake two leptons.
|
| 310 |
|
|
// *****************************************************************************************
|
| 311 |
|
|
Bool_t alreadyFaked = false;
|
| 312 |
|
|
for (UInt_t f = 0; f < FakeEventHeaders->At(i)->FakeObjsSize() ; f++) {
|
| 313 |
|
|
double deltaR = MathUtils::DeltaR(FakeEventHeaders->At(i)->FakeObj(f)->Mom(),
|
| 314 |
phedex |
1.2 |
ElFakeableObjs->At(n)->Mom());
|
| 315 |
loizides |
1.1 |
if (deltaR < 0.3)
|
| 316 |
|
|
alreadyFaked = true;
|
| 317 |
|
|
}
|
| 318 |
|
|
if (!alreadyFaked) {
|
| 319 |
|
|
|
| 320 |
|
|
// *****************************************************************************************
|
| 321 |
|
|
// Perform Electron Fake
|
| 322 |
|
|
// *****************************************************************************************
|
| 323 |
|
|
|
| 324 |
|
|
//match fake to one of the jets
|
| 325 |
|
|
int fakeToJetMatch = -1; //index of the jet that matches to the fake
|
| 326 |
|
|
double minDR = 5000;
|
| 327 |
|
|
for (UInt_t jj=0;jj<FakeEventHeaders->At(i)->NJets();jj++) {
|
| 328 |
|
|
Double_t deltaR = MathUtils::DeltaR(FakeEventHeaders->At(i)->UnfakedJet(jj)->Mom(),
|
| 329 |
phedex |
1.2 |
ElFakeableObjs->At(n)->Mom());
|
| 330 |
loizides |
1.1 |
if (deltaR < minDR) {
|
| 331 |
|
|
minDR = deltaR;
|
| 332 |
|
|
fakeToJetMatch = jj;
|
| 333 |
|
|
}
|
| 334 |
|
|
}
|
| 335 |
|
|
if (!(minDR < 0.5)) {
|
| 336 |
|
|
fakeToJetMatch = -1;
|
| 337 |
|
|
}
|
| 338 |
|
|
|
| 339 |
|
|
//Obtain the electron FakeRate
|
| 340 |
|
|
Double_t electronFakeProb = 0.0;
|
| 341 |
|
|
Double_t electronFakeProbLowError = 0.0;
|
| 342 |
|
|
Double_t electronFakeProbHighError = 0.0;
|
| 343 |
|
|
if(fFakeRate) {
|
| 344 |
phedex |
1.2 |
electronFakeProb = fFakeRate->ElectronFakeRate(ElFakeableObjs->At(n)->Et(),
|
| 345 |
|
|
ElFakeableObjs->At(n)->Eta(),
|
| 346 |
|
|
ElFakeableObjs->At(n)->Phi());
|
| 347 |
loizides |
1.1 |
electronFakeProbLowError = fFakeRate->ElectronFakeRateError(
|
| 348 |
phedex |
1.2 |
ElFakeableObjs->At(n)->Et(),
|
| 349 |
|
|
ElFakeableObjs->At(n)->Eta(),
|
| 350 |
|
|
ElFakeableObjs->At(n)->Phi());
|
| 351 |
loizides |
1.1 |
electronFakeProbHighError = fFakeRate->ElectronFakeRateError(
|
| 352 |
phedex |
1.2 |
ElFakeableObjs->At(n)->Et(),
|
| 353 |
|
|
ElFakeableObjs->At(n)->Eta(),
|
| 354 |
|
|
ElFakeableObjs->At(n)->Phi());
|
| 355 |
loizides |
1.1 |
} else {
|
| 356 |
|
|
cerr << "Error: fFakeRate is a NULL pointer.\n";
|
| 357 |
|
|
assert(false);
|
| 358 |
|
|
}
|
| 359 |
|
|
|
| 360 |
|
|
//only fake into a muon if the fakeable object did not match to a clean lepton
|
| 361 |
|
|
if (!isCleanLepton) {
|
| 362 |
|
|
//create new fake event header
|
| 363 |
|
|
FakeEventHeader *fakeElectronEvent = new FakeEventHeader();
|
| 364 |
|
|
fakeElectronEvent->SetWeight(FakeEventHeaders->At(i)->Weight() * electronFakeProb);
|
| 365 |
|
|
fakeElectronEvent->SetWeightLowError(FakeEventHeaders->At(i)->Weight()*electronFakeProb*
|
| 366 |
|
|
TMath::Sqrt((FakeEventHeaders->At(i)->WeightLowError()/
|
| 367 |
|
|
FakeEventHeaders->At(i)->Weight())*
|
| 368 |
|
|
(FakeEventHeaders->At(i)->WeightLowError()/
|
| 369 |
|
|
FakeEventHeaders->At(i)->Weight()) +
|
| 370 |
|
|
(electronFakeProbLowError/electronFakeProb)*
|
| 371 |
|
|
(electronFakeProbLowError/electronFakeProb)
|
| 372 |
|
|
));
|
| 373 |
|
|
fakeElectronEvent->SetWeightHighError(FakeEventHeaders->At(i)->Weight()*electronFakeProb*
|
| 374 |
|
|
TMath::Sqrt((FakeEventHeaders->At(i)->WeightHighError()/
|
| 375 |
|
|
FakeEventHeaders->At(i)->Weight())*
|
| 376 |
|
|
(FakeEventHeaders->At(i)->WeightHighError()/
|
| 377 |
|
|
FakeEventHeaders->At(i)->Weight()) +
|
| 378 |
|
|
(electronFakeProbHighError/electronFakeProb)*
|
| 379 |
|
|
(electronFakeProbHighError/electronFakeProb)
|
| 380 |
|
|
));
|
| 381 |
|
|
|
| 382 |
|
|
|
| 383 |
|
|
//add previous fakes
|
| 384 |
|
|
for (UInt_t f=0;f<FakeEventHeaders->At(i)->FakeObjsSize();f++) {
|
| 385 |
|
|
fakeElectronEvent->AddFakeObject(FakeEventHeaders->At(i)->FakeObj(f));
|
| 386 |
|
|
}
|
| 387 |
|
|
//add the new fake
|
| 388 |
phedex |
1.2 |
fakeElectronEvent->AddFakeObject(ElFakeableObjs->At(n),
|
| 389 |
loizides |
1.1 |
kElectron,isCleanLepton,isGenElectron);
|
| 390 |
|
|
//add previous jets that do not match to the new fake
|
| 391 |
|
|
for (UInt_t jj=0;jj<FakeEventHeaders->At(i)->NJets();jj++) {
|
| 392 |
loizides |
1.3 |
if ((int)jj != fakeToJetMatch)
|
| 393 |
loizides |
1.1 |
fakeElectronEvent->AddJets(FakeEventHeaders->At(i)->UnfakedJet(jj));
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
//add fake event to the temporary fake event header array
|
| 397 |
|
|
tempFakeEventHeaders->AddOwned(fakeElectronEvent);
|
| 398 |
|
|
//increase cumulative fake probability
|
| 399 |
|
|
totalCumulativeFakeProbability += electronFakeProb;
|
| 400 |
|
|
}
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
// *****************************************************************************************
|
| 404 |
|
|
// Do not fake into anything
|
| 405 |
|
|
// *****************************************************************************************
|
| 406 |
|
|
//create new fake event header
|
| 407 |
|
|
FakeEventHeader *notFakeEvent = new FakeEventHeader();
|
| 408 |
|
|
notFakeEvent->SetWeight(FakeEventHeaders->At(i)->Weight() *
|
| 409 |
|
|
(1-totalCumulativeFakeProbability));
|
| 410 |
|
|
//add previous fakes
|
| 411 |
|
|
for (UInt_t f=0;f<FakeEventHeaders->At(i)->FakeObjsSize();f++) {
|
| 412 |
|
|
notFakeEvent->AddFakeObject(FakeEventHeaders->At(i)->FakeObj(f));
|
| 413 |
|
|
}
|
| 414 |
|
|
//add previous jets
|
| 415 |
|
|
for (UInt_t jj=0;jj<FakeEventHeaders->At(i)->NJets();jj++) {
|
| 416 |
|
|
notFakeEvent->AddJets(FakeEventHeaders->At(i)->UnfakedJet(jj));
|
| 417 |
|
|
}
|
| 418 |
|
|
tempFakeEventHeaders->AddOwned(notFakeEvent);
|
| 419 |
|
|
|
| 420 |
|
|
} //for all current fake event headers
|
| 421 |
|
|
|
| 422 |
|
|
//replace current fake event headers with the new temporary ones.
|
| 423 |
|
|
delete FakeEventHeaders;
|
| 424 |
|
|
FakeEventHeaders = tempFakeEventHeaders;
|
| 425 |
|
|
} //loop over all fakeable objects
|
| 426 |
|
|
|
| 427 |
|
|
// export FakeEventHeaders for other modules to use
|
| 428 |
|
|
FakeEventHeaders->SetName(fFakeEventHeadersName);
|
| 429 |
|
|
AddObjThisEvt(FakeEventHeaders);
|
| 430 |
|
|
|
| 431 |
|
|
//delete temporary collections
|
| 432 |
|
|
delete GenLeptonsAndTaus;
|
| 433 |
|
|
}
|
