#include <PhotonsWithConversionsAnalyzer.h>

Inheritance diagram for PhotonsWithConversionsAnalyzer:

Public Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &) override

void	beginJob () override

void	endJob () override

	PhotonsWithConversionsAnalyzer (const edm::ParameterSet &)

	~PhotonsWithConversionsAnalyzer () override

Public Member Functions inherited from edm::one::EDAnalyzer<>
	EDAnalyzer ()=default

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsInputProcessBlocks () const final

bool	wantsProcessBlocks () const final

Public Member Functions inherited from edm::one::EDAnalyzerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

	EDAnalyzerBase ()

ModuleDescription const &	moduleDescription () const

bool	wantsStreamLuminosityBlocks () const

bool	wantsStreamRuns () const

	~EDAnalyzerBase () override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase &&)=default

	EDConsumerBase (EDConsumerBase const &)=delete

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

std::vector< ESProxyIndex > const &	esGetTokenIndicesVector (edm::Transition iTrans) const

std::vector< ESRecordIndex > const &	esGetTokenRecordIndicesVector (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase &	operator= (EDConsumerBase &&)=default

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Private Member Functions
float	etaTransformation (float a, float b)

Private Attributes
TFile *	fOutputFile_

std::string	fOutputFileName_

TH2F *	h2_tk_inPtVsR_

TH2F *	h2_tk_nHitsVsR_

TH1F *	h_deltaEta_

TH1F *	h_deltaPhi_

TH1F *	h_ErecoEMC_

TH1F *	h_MCConvE_

TH1F *	h_MCConvEta_

TH1F *	h_MCConvPt_

TH1F *	h_MCphoE_

TH1F *	h_MCphoEta_

TH1F *	h_MCphoPhi_

TH1F *	h_phoE_

TH1F *	h_phoEta_

TH1F *	h_phoPhi_

TH1F *	h_scE_

TH1F *	h_scEt_

TH1F *	h_scEta_

TH1F *	h_scPhi_

std::string	HepMCLabel

int	nEvt_

int	nMatched_

int	nMCPho_

std::string	photonCollection_

std::string	photonCollectionProducer_

std::string	SimHitLabel

std::string	SimTkLabel

std::string	SimVtxLabel

PhotonMCTruthFinder *	thePhotonMCTruthFinder_

Additional Inherited Members
Public Types inherited from edm::one::EDAnalyzerBase
typedef EDAnalyzerBase	ModuleType

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::one::EDAnalyzerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

template<BranchType B = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<Transition Tr = Transition::Event>
constexpr auto	esConsumes () noexcept

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag tag) noexcept

template<Transition Tr = Transition::Event>
ESGetTokenGeneric	esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
	Used with EventSetupRecord::doGet. More...

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

Detailed Description

Definition at line 20 of file PhotonsWithConversionsAnalyzer.h.

Constructor & Destructor Documentation

◆ PhotonsWithConversionsAnalyzer()

PhotonsWithConversionsAnalyzer::PhotonsWithConversionsAnalyzer ( const edm::ParameterSet & pset )

explicit

Definition at line 48 of file PhotonsWithConversionsAnalyzer.cc.

                                                                                           {
   photonCollectionProducer_ = pset.getParameter<std::string>("phoProducer");
   photonCollection_ = pset.getParameter<std::string>("photonCollection");
   //
 }

References muonDTDigis_cfi::pset, and AlCaHLTBitMon_QueryRunRegistry::string.

◆ ~PhotonsWithConversionsAnalyzer()

PhotonsWithConversionsAnalyzer::~PhotonsWithConversionsAnalyzer ( )

override

Definition at line 54 of file PhotonsWithConversionsAnalyzer.cc.

54 { delete thePhotonMCTruthFinder_; }

Member Function Documentation

◆ analyze()

void PhotonsWithConversionsAnalyzer::analyze	(	const edm::Event &	e,
		const edm::EventSetup &
	)

overridevirtual

Loop over recontructed photons

End loop over Reco particles

End loop over MC particles

Implements edm::one::EDAnalyzerBase.

Definition at line 134 of file PhotonsWithConversionsAnalyzer.cc.

                                                                                     {
   using namespace edm;
   const float etaPhiDistance = 0.01;
   // Fiducial region
   //UNUSED const float TRK_BARL =0.9;
   //UNUSED const float BARL = 1.4442; // DAQ TDR p.290
   //UNUSED const float END_LO = 1.566;
   //UNUSED const float END_HI = 2.5;
   // Electron mass
   //UNUSED const Float_t mElec= 0.000511;
  
   nEvt_++;
   LogInfo("ConvertedPhotonAnalyzer") << "ConvertedPhotonAnalyzer Analyzing event number: " << e.id()
                                      << " Global Counter " << nEvt_ << "\n";
   //  LogDebug("ConvertedPhotonAnalyzer") << "ConvertedPhotonAnalyzer Analyzing event number: "  << e.id() << " Global Counter " << nEvt_ <<"\n";
   std::cout << "ConvertedPhotonAnalyzer Analyzing event number: " << e.id() << " Global Counter " << nEvt_ << "\n";
  
   Handle<reco::PhotonCollection> photonHandle;
   e.getByLabel(photonCollectionProducer_, photonCollection_, photonHandle);
   const reco::PhotonCollection photonCollection = *(photonHandle.product());
   std::cout << "ConvertedPhotonAnalyzer  Photons with conversions collection size " << photonCollection.size() << "\n";
  
   std::cout << " ConvertedPhotonAnalyzer Looking for MC truth "
             << "\n";
  
   //get simtrack info
   std::vector<SimTrack> theSimTracks;
   std::vector<SimVertex> theSimVertices;
  
   edm::Handle<SimTrackContainer> SimTk;
   edm::Handle<SimVertexContainer> SimVtx;
   e.getByLabel("g4SimHits", SimTk);
   e.getByLabel("g4SimHits", SimVtx);
  
   theSimTracks.insert(theSimTracks.end(), SimTk->begin(), SimTk->end());
   theSimVertices.insert(theSimVertices.end(), SimVtx->begin(), SimVtx->end());
  
   std::vector<PhotonMCTruth> mcPhotons = thePhotonMCTruthFinder_->find(theSimTracks, theSimVertices);
   std::cout << " ConvertedPhotonAnalyzer mcPhotons size " << mcPhotons.size() << std::endl;
  
   // Loop over simulated photons
   //UNUSED int iDet=0;
   //UNUSED int iRadius=-1;
   //UNUSED int indPho=0;
  
   for (std::vector<PhotonMCTruth>::const_iterator mcPho = mcPhotons.begin(); mcPho != mcPhotons.end(); mcPho++) {
     float mcPhi = (*mcPho).fourMomentum().phi();
     float mcEta = (*mcPho).fourMomentum().pseudoRapidity();
     mcEta = etaTransformation(mcEta, (*mcPho).primaryVertex().z());
  
     if ((*mcPho).fourMomentum().et() < 20)
       continue;
     //    if ( ! (  fabs(mcEta) <= BARL || ( fabs(mcEta) >= END_LO && fabs(mcEta) <=END_HI ) ) ) {
     //     continue;
     //} // all ecal fiducial region
  
     h_MCphoE_->Fill((*mcPho).fourMomentum().e());
     h_MCphoEta_->Fill((*mcPho).fourMomentum().eta());
     h_MCphoPhi_->Fill((*mcPho).fourMomentum().phi());
  
     // keep only visible conversions
     if ((*mcPho).isAConversion() == 0)
       continue;
  
     nMCPho_++;
  
     h_MCConvEta_->Fill(fabs((*mcPho).fourMomentum().pseudoRapidity()) - 0.001);
  
     bool REJECTED;
  
     //std::cout   << " ConvertedPhotonAnalyzer  Starting loop over photon candidates " << "\n";
     for (reco::PhotonCollection::const_iterator iPho = photonCollection.begin(); iPho != photonCollection.end();
          iPho++) {
       REJECTED = false;
  
       //      std::cout  << " ConvertedPhotonAnalyzer Reco SC energy " << (*iPho).superCluster()->energy() <<  "\n";
  
       float phiClu = (*iPho).superCluster()->phi();
       float etaClu = (*iPho).superCluster()->eta();
       float deltaPhi = phiClu - mcPhi;
       float deltaEta = etaClu - mcEta;
  
       if (deltaPhi > Geom::pi())
         deltaPhi -= Geom::twoPi();
       if (deltaPhi < -Geom::pi())
         deltaPhi += Geom::twoPi();
       deltaPhi = pow(deltaPhi, 2);
       deltaEta = pow(deltaEta, 2);
       float delta = deltaPhi + deltaEta;
       if (delta >= etaPhiDistance)
         REJECTED = true;
  
       //      if ( ! (  fabs(etaClu) <= BARL || ( fabs(etaClu) >= END_LO && fabs(etaClu) <=END_HI ) ) ) REJECTED=true;
  
       if (REJECTED)
         continue;
       std::cout << " MATCHED " << std::endl;
       nMatched_++;
  
       //      std::cout << " ConvertedPhotonAnalyzer Matching candidate " << std::endl;
  
       // std::cout << " ConvertedPhotonAnalyzer Photons isAconversion " << (*mcPho).isAConversion() << " mcMatchingPhoton energy " <<  (*mcPho).fourMomentum().e()  << " ConvertedPhotonAnalyzer conversion vertex R " <<  (*mcPho).vertex().perp() << " Z " <<  (*mcPho).vertex().z() <<  std::endl;
  
       h_ErecoEMC_->Fill((*iPho).superCluster()->energy() / (*mcPho).fourMomentum().e());
       h_deltaPhi_->Fill((*iPho).superCluster()->position().phi() - mcPhi);
       h_deltaEta_->Fill((*iPho).superCluster()->position().eta() - mcEta);
  
       h_scE_->Fill((*iPho).superCluster()->energy());
       h_scEt_->Fill((*iPho).superCluster()->energy() / cosh((*iPho).superCluster()->position().eta()));
       h_scEta_->Fill((*iPho).superCluster()->position().eta());
       h_scPhi_->Fill((*iPho).superCluster()->position().phi());
  
       h_phoE_->Fill((*iPho).energy());
       h_phoEta_->Fill((*iPho).eta());
       h_phoPhi_->Fill((*iPho).phi());
  
       if (!(*iPho).hasConversionTracks())
         continue;
       //   std::cout << " This photons has " << (*iPho).conversions().size() << " conversions candidates " << std::endl;
       reco::ConversionRefVector conversions = (*iPho).conversions();
       //std::vector<reco::ConversionRef> conversions = (*iPho).conversions();
  
       for (unsigned int i = 0; i < conversions.size(); i++) {
         //std::cout << " Conversion candidate Energy " << (*iPho).energy() << " number of tracks " << conversions[i]->nTracks() << std::endl;
         std::vector<edm::RefToBase<reco::Track> > tracks = conversions[i]->tracks();
  
         for (unsigned int i = 0; i < tracks.size(); i++) {
           //      std::cout  << " ConvertedPhotonAnalyzer Reco Track charge " <<  tracks[i]->charge() << "  Num of RecHits " << tracks[i]->recHitsSize() << " inner momentum " <<  sqrt ( tracks[i]->innerMomentum().Mag2() )  <<  "\n";
  
           h2_tk_nHitsVsR_->Fill((*mcPho).vertex().perp(), tracks[i]->recHitsSize());
           h2_tk_inPtVsR_->Fill((*mcPho).vertex().perp(), sqrt(tracks[i]->innerMomentum().Mag2()));
         }
       }
  
     }  
  
   }  
 }

References pwdgSkimBPark_cfi::conversions, gather_cfg::cout, dumpMFGeometry_cfg::delta, spr::deltaEta, SiPixelRawToDigiRegional_cfi::deltaPhi, MillePedeFileConverter_cfg::e, mps_fire::i, ExoticaDQM_cfi::photonCollection, Geom::pi(), funct::pow(), edm::Handle< T >::product(), mathSSE::sqrt(), PDWG_EXOHSCP_cff::tracks, and Geom::twoPi().

◆ beginJob()

void PhotonsWithConversionsAnalyzer::beginJob ( void )

overridevirtual

Reco - MC

Reimplemented from edm::one::EDAnalyzerBase.

Definition at line 56 of file PhotonsWithConversionsAnalyzer.cc.

                                               {
   nEvt_ = 0;
   nMCPho_ = 0;
   nMatched_ = 0;
  
   thePhotonMCTruthFinder_ = new PhotonMCTruthFinder();
  
   edm::Service<TFileService> fs;
  
   h_ErecoEMC_ = fs->make<TH1F>("deltaE", "    delta(reco-mc) energy", 100, 0., 2.);
   h_deltaPhi_ = fs->make<TH1F>("deltaPhi", "  delta(reco-mc) phi", 100, -0.1, 0.1);
   h_deltaEta_ = fs->make<TH1F>("deltaEta", "  delta(reco-mc) eta", 100, -0.05, 0.05);
  
   h_MCphoE_ = fs->make<TH1F>("MCphoE", "MC photon energy", 100, 0., 100.);
   h_MCphoPhi_ = fs->make<TH1F>("MCphoPhi", "MC photon phi", 40, -3.14, 3.14);
   h_MCphoEta_ = fs->make<TH1F>("MCphoEta", "MC photon eta", 40, -3., 3.);
  
   h_MCConvE_ = fs->make<TH1F>("MCConvE", "MC converted photon energy", 100, 0., 100.);
   h_MCConvPt_ = fs->make<TH1F>("MCConvPt", "MC converted photon pt", 100, 0., 100.);
   h_MCConvEta_ = fs->make<TH1F>("MCConvEta", "MC converted photon eta", 50, 0., 2.5);
  
   h_scE_ = fs->make<TH1F>("scE", "SC Energy ", 100, 0., 200.);
   h_scEt_ = fs->make<TH1F>("scEt", "SC Et ", 100, 0., 200.);
   h_scEta_ = fs->make<TH1F>("scEta", "SC Eta ", 40, -3., 3.);
   h_scPhi_ = fs->make<TH1F>("scPhi", "SC Phi ", 40, -3.14, 3.14);
   //
   h_phoE_ = fs->make<TH1F>("phoE", "Photon Energy ", 100, 0., 200.);
   h_phoEta_ = fs->make<TH1F>("phoEta", "Photon Eta ", 40, -3., 3.);
   h_phoPhi_ = fs->make<TH1F>("phoPhi", "Photon  Phi ", 40, -3.14, 3.14);
  
   // Recontructed tracks from converted photon candidates
   h2_tk_nHitsVsR_ = fs->make<TH2F>("tknHitsVsR", "Tracks Hits vs R  ", 12, 0., 120., 20, 0.5, 20.5);
   h2_tk_inPtVsR_ = fs->make<TH2F>("tkInPtvsR", "Tracks inner Pt vs R  ", 12, 0., 120., 100, 0., 100.);
  
   return;
 }

References TFileService::make().

◆ endJob()

void PhotonsWithConversionsAnalyzer::endJob ( void )

overridevirtual

Reimplemented from edm::one::EDAnalyzerBase.

Definition at line 276 of file PhotonsWithConversionsAnalyzer.cc.

                                             {
   //   fOutputFile_->Write() ;
   // fOutputFile_->Close() ;
  
   edm::LogInfo("ConvertedPhotonAnalyzer") << "Analyzed " << nEvt_ << "\n";
   // std::cout  << "::endJob Analyzed " << nEvt_ << " events " << " with total " << nPho_ << " Photons " << "\n";
   std::cout << "ConvertedPhotonAnalyzer::endJob Analyzed " << nEvt_ << " events "
             << "\n";
  
   return;
 }

References gather_cfg::cout.

◆ etaTransformation()

float PhotonsWithConversionsAnalyzer::etaTransformation	(	float	a,
		float	b
	)

private

Definition at line 97 of file PhotonsWithConversionsAnalyzer.cc.

                                                                                         {
   //---Definitions
   const float PI = 3.1415927;
   //UNUSED const float TWOPI = 2.0*PI;
  
   //---Definitions for ECAL
   const float R_ECAL = 136.5;
   const float Z_Endcap = 328.0;
   const float etaBarrelEndcap = 1.479;
  
   //---ETA correction
  
   float Theta = 0.0;
   float ZEcal = R_ECAL * sinh(EtaParticle) + Zvertex;
  
   if (ZEcal != 0.0)
     Theta = atan(R_ECAL / ZEcal);
   if (Theta < 0.0)
     Theta = Theta + PI;
   float ETA = -log(tan(0.5 * Theta));
  
   if (fabs(ETA) > etaBarrelEndcap) {
     float Zend = Z_Endcap;
     if (EtaParticle < 0.0)
       Zend = -Zend;
     float Zlen = Zend - Zvertex;
     float RR = Zlen / sinh(EtaParticle);
     Theta = atan(RR / Zend);
     if (Theta < 0.0)
       Theta = Theta + PI;
     ETA = -log(tan(0.5 * Theta));
   }
   //---Return the result
   return ETA;
   //---end
 }