EwkTauDQM.h File Reference

#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include <string>
#include <Math/VectorUtil.h>
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "DQMServices/Core/interface/MonitorElement.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"
#include "DataFormats/TauReco/interface/PFTau.h"
#include "DataFormats/TauReco/interface/PFTauFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"

Go to the source code of this file.

Classes
class	EwkElecTauHistManager
class	EwkMuTauHistManager
class	EwkTauDQM

Enumerations
enum	{ kAbsoluteIso, kRelativeIso, kUndefinedIso }

Functions
double	calcDeltaPhi (double, double)
double	calcMt (double, double, double, double)
double	calcPzeta (const reco::Candidate::LorentzVector &, const reco::Candidate::LorentzVector &, double, double)
int	getIsoMode (const std::string &, int &)
const reco::GsfElectron *	getTheElectron (const reco::GsfElectronCollection &, double, double)
const reco::Muon *	getTheMuon (const reco::MuonCollection &, double, double)
const reco::PFTau *	getTheTauJet (const reco::PFTauCollection &, double, double, int &)
double	getVertexD0 (const reco::Vertex &, const reco::BeamSpot &)
bool	passesElectronId (const reco::GsfElectron &)
bool	passesElectronPreId (const reco::GsfElectron &)
template<typename T >
void	readEventData (const edm::Event &evt, const edm::InputTag &src, edm::Handle< T > &handle, long &numWarnings, int maxNumWarnings, bool &error, const char *errorMessage)

Enumeration Type Documentation

anonymous enum

Auxiliary functions to compute quantities used by EWK Tau DQM (shared by different channels)

Author

Joshua Swanson

Enumerator
kAbsoluteIso
kRelativeIso
kUndefinedIso

Definition at line 362 of file EwkTauDQM.h.

{ kAbsoluteIso, kRelativeIso, kUndefinedIso };

Function Documentation

double calcDeltaPhi	(	double	,
		double
	)

Definition at line 972 of file EwkTauDQM.cc.

References SiPixelRawToDigiRegional_cfi::deltaPhi, and Pi.

Referenced by EwkDQM::analyze(), EwkElecTauHistManager::fillHistograms(), and EwkMuTauHistManager::fillHistograms().

{
  double deltaPhi = phi1 - phi2;

  if ( deltaPhi < 0. ) deltaPhi = -deltaPhi;

  if ( deltaPhi > TMath::Pi() ) deltaPhi = 2*TMath::Pi() - deltaPhi;

  return deltaPhi;
}

double calcMt	(	double	,
		double	,
		double	,
		double
	)

Definition at line 983 of file EwkTauDQM.cc.

Referenced by EwkElecTauHistManager::fillHistograms(), and EwkMuTauHistManager::fillHistograms().

{
  double pt1 = TMath::Sqrt(px1*px1 + py1*py1);
  double pt2 = TMath::Sqrt(px2*px2 + py2*py2);

  double p1Dotp2 = px1*px2 + py1*py2;
  double cosAlpha = p1Dotp2/(pt1*pt2);

  return TMath::Sqrt(2*pt1*pt2*(1 - cosAlpha));
}

double calcPzeta	(	const reco::Candidate::LorentzVector &	,
		const reco::Candidate::LorentzVector &	,
		double	,
		double
	)

Definition at line 994 of file EwkTauDQM.cc.

References funct::cos(), and funct::sin().

{
  double cosPhi1 = cos(p1.phi());
  double sinPhi1 = sin(p1.phi());
  double cosPhi2 = cos(p2.phi());
  double sinPhi2 = sin(p2.phi());
  double zetaX = cosPhi1 + cosPhi2;
  double zetaY = sinPhi1 + sinPhi2;
  double zetaR = TMath::Sqrt(zetaX*zetaX + zetaY*zetaY);
  if ( zetaR > 0. ) {
    zetaX /= zetaR;
    zetaY /= zetaR;
  }

  double pxVis = p1.px() + p2.px();
  double pyVis = p1.py() + p2.py();
  double pZetaVis = pxVis*zetaX + pyVis*zetaY;

  double px = pxVis + pxMEt;
  double py = pyVis + pyMEt;
  double pZeta = px*zetaX + py*zetaY;

  return pZeta - 1.5*pZetaVis;
}

int getIsoMode	(	const std::string &	,
		int &
	)

Definition at line 953 of file EwkTauDQM.cc.

References kAbsoluteIso, kRelativeIso, and kUndefinedIso.

Referenced by EwkElecTauHistManager::EwkElecTauHistManager(), and EwkMuTauHistManager::EwkMuTauHistManager().

{
  int isoMode_int;
  if ( isoMode_string == "absoluteIso" ) {
    isoMode_int = kAbsoluteIso;
  } else if ( isoMode_string == "relativeIso" ) {
    isoMode_int = kRelativeIso;
  } else {
    edm::LogError ("getIsoMode") << " Failed to decode isoMode string = " << isoMode_string << " !!";
    isoMode_int = kUndefinedIso;
    error = 1;
  }
  return isoMode_int;
}

const reco::GsfElectron* getTheElectron	(	const reco::GsfElectronCollection &	,
		double	,
		double
	)

Definition at line 1056 of file EwkTauDQM.cc.

References metsig::electron, passesElectronPreId(), and reco::LeafCandidate::pt().

Referenced by EwkElecTauHistManager::fillHistograms().

{
  const reco::GsfElectron* theElectron = 0;

  for ( reco::GsfElectronCollection::const_iterator electron = electrons.begin();
    electron != electrons.end(); ++electron ) {
    if ( TMath::Abs(electron->eta()) < electronEtaCut && electron->pt() > electronPtCut && passesElectronPreId(*electron) ) {
      if ( theElectron == 0 || electron->pt() > theElectron->pt() ) theElectron = &(*electron);
    }
  }

  return theElectron;
}

const reco::Muon* getTheMuon	(	const reco::MuonCollection &	,
		double	,
		double
	)

Definition at line 1073 of file EwkTauDQM.cc.

References metsig::muon, and reco::LeafCandidate::pt().

Referenced by EwkMuTauHistManager::fillHistograms().

{
  const reco::Muon* theMuon = 0;

  for ( reco::MuonCollection::const_iterator muon = muons.begin();
    muon != muons.end(); ++muon ) {
    if ( TMath::Abs(muon->eta()) < muonEtaCut && muon->pt() > muonPtCut ) {
      if ( theMuon == 0 || muon->pt() > theMuon->pt() ) theMuon = &(*muon);
    }
  }

  return theMuon;
}

const reco::PFTau* getTheTauJet	(	const reco::PFTauCollection &	,
		double	,
		double	,
		int &
	)

Definition at line 1087 of file EwkTauDQM.cc.

References reco::LeafCandidate::eta(), reco::LeafCandidate::pt(), and reco::Candidate::size.

Referenced by EwkElecTauHistManager::fillHistograms(), and EwkMuTauHistManager::fillHistograms().

{
  const reco::PFTau* theTauJet = 0;
  theTauJetIndex = -1;

  int numTauJets = tauJets.size();
  for ( int iTauJet = 0; iTauJet < numTauJets; ++iTauJet ) {
    const reco::PFTau& tauJet = tauJets.at(iTauJet);

    if ( fabs(tauJet.eta()) < tauJetEtaCut && tauJet.pt() > tauJetPtCut ) {
      if ( theTauJet == 0 || tauJet.pt() > theTauJet->pt() ) {
    theTauJet = &tauJet;
    theTauJetIndex = iTauJet;
      }
    }
  }

  return theTauJet;
}

double getVertexD0	(	const reco::Vertex &	,
		const reco::BeamSpot &
	)

Definition at line 1111 of file EwkTauDQM.cc.

References reco::Vertex::x(), reco::BeamSpot::x0(), reco::Vertex::y(), and reco::BeamSpot::y0().

{
  double dX = vertex.x() - beamSpot.x0();
  double dY = vertex.y() - beamSpot.y0();
  return TMath::Sqrt(dX*dX + dY*dY);
}

bool passesElectronId

(

const reco::GsfElectron &

)

Definition at line 1035 of file EwkTauDQM.cc.

References reco::GsfElectron::deltaEtaSuperClusterTrackAtVtx(), reco::GsfElectron::deltaPhiSuperClusterTrackAtVtx(), reco::LeafCandidate::eta(), reco::GsfElectron::hcalOverEcal(), passesElectronPreId(), and reco::GsfElectron::sigmaEtaEta().

Referenced by EwkElecTauHistManager::fillHistograms().

{
  if ( passesElectronPreId(electron) &&
       ((TMath::Abs(electron.eta()) > 1.566 && // electron reconstructed in ECAL endcap
     electron.sigmaEtaEta() < 0.03 && electron.hcalOverEcal() < 0.05 &&
     TMath::Abs(electron.deltaEtaSuperClusterTrackAtVtx()) < 0.009 &&
     TMath::Abs(electron.deltaPhiSuperClusterTrackAtVtx()) < 0.7 ) ||
    (TMath::Abs(electron.eta()) < 1.479 && // electron reconstructed in ECAL barrel
     electron.sigmaEtaEta() < 0.01 && electron.hcalOverEcal() < 0.12 &&
     TMath::Abs(electron.deltaEtaSuperClusterTrackAtVtx()) < 0.007 &&
     TMath::Abs(electron.deltaPhiSuperClusterTrackAtVtx()) < 0.8)) ) {
    return true;
  } else {
    return false;
  }
}

bool passesElectronPreId

(

const reco::GsfElectron &

)

Definition at line 1023 of file EwkTauDQM.cc.

References reco::GsfElectron::deltaEtaSuperClusterTrackAtVtx(), reco::GsfElectron::deltaPhiSuperClusterTrackAtVtx(), reco::LeafCandidate::eta(), and reco::GsfElectron::sigmaIetaIeta().

Referenced by getTheElectron(), and passesElectronId().

{
  if ( (TMath::Abs(electron.eta()) < 1.479 || TMath::Abs(electron.eta()) > 1.566) && // cut ECAL barrel/endcap crack
       electron.deltaPhiSuperClusterTrackAtVtx() < 0.8 &&
       electron.deltaEtaSuperClusterTrackAtVtx() < 0.01 &&
       electron.sigmaIetaIeta() < 0.03 ) {
    return true;
  } else {
    return false;
  }
}

template<typename T >

void readEventData	(	const edm::Event &	evt,
		const edm::InputTag &	src,
		edm::Handle< T > &	handle,
		long &	numWarnings,
		int	maxNumWarnings,
		bool &	error,
		const char *	errorMessage
	)

Definition at line 365 of file EwkTauDQM.h.

References edm::Event::getByLabel().

Referenced by EwkElecTauHistManager::fillHistograms(), and EwkMuTauHistManager::fillHistograms().

{
  if ( !evt.getByLabel(src, handle) ) {
    if ( numWarnings < maxNumWarnings || maxNumWarnings == -1 )
      edm::LogWarning ("readEventData") << errorMessage << " !!";
    ++numWarnings;
    error = true;
  }
}