AcceptanceHistoProducer Class Reference

#include <AcceptanceHistoProducer.h>

Inheritance diagram for AcceptanceHistoProducer:

Public Member Functions
	AcceptanceHistoProducer (const edm::ParameterSet &cfg)
virtual	~AcceptanceHistoProducer ()
Public Member Functions inherited from edm::EDAnalyzer
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
	EDAnalyzer ()
ModuleDescription const &	moduleDescription () const
std::string	workerType () const
virtual	~EDAnalyzer ()
Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()
ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

Private Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &)
void	beginJob ()

Private Attributes
DQMStore *	dbe_
std::string	dqmDir_
MonitorElement *	hEtaPosEtaNeg_
MonitorElement *	hPtNegEtaNeg_
MonitorElement *	hPtPosEtaPos_
MonitorElement *	hPtPosPtNeg_
edm::InputTag	srcGenParticles_

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType
Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &)
Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
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 ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Produces di-muon acceptance histograms and stores them in lumi section.

Author

Armin Burgmeier, DESY

Version

Revision:

1.2

Id:

AcceptanceHistoProducer.h,v 1.2 2012/11/07 17:03:01 aburgmei Exp

Definition at line 25 of file AcceptanceHistoProducer.h.

Constructor & Destructor Documentation

AcceptanceHistoProducer::AcceptanceHistoProducer ( const edm::ParameterSet &  cfg )

explicit

Definition at line 9 of file AcceptanceHistoProducer.cc.

                                                                          :
  dqmDir_(cfg.getParameter<std::string>("dqmDir")),
  srcGenParticles_(cfg.getParameter<edm::InputTag>("srcGenParticles")),
  hPtPosPtNeg_(NULL), hEtaPosEtaNeg_(NULL), hPtPosEtaPos_(NULL), hPtNegEtaNeg_(NULL)
{
}

AcceptanceHistoProducer::~AcceptanceHistoProducer ( )

virtual

Definition at line 16 of file AcceptanceHistoProducer.cc.

{
}

Member Function Documentation

void AcceptanceHistoProducer::analyze ( const edm::Event &  evt, const edm::EventSetup &  es  )

privatevirtual

Implements edm::EDAnalyzer.

Definition at line 40 of file AcceptanceHistoProducer.cc.

References funct::abs(), reco::LeafCandidate::charge(), reco::CompositeRefCandidateT< D >::daughter(), reco::LeafCandidate::eta(), MonitorElement::Fill(), genParticleCandidates2GenParticles_cfi::genParticles, edm::Event::getByLabel(), hEtaPosEtaNeg_, hPtNegEtaNeg_, hPtPosEtaPos_, hPtPosPtNeg_, i, NULL, reco::CompositeRefCandidateT< D >::numberOfDaughters(), reco::LeafCandidate::pdgId(), reco::LeafCandidate::pt(), srcGenParticles_, and reco::LeafCandidate::status().

{
  assert(hPtPosPtNeg_ != NULL);
  assert(hEtaPosEtaNeg_ != NULL);
  assert(hPtPosEtaPos_ != NULL);
  assert(hPtNegEtaNeg_ != NULL);

  edm::Handle<reco::GenParticleCollection> genParticles;
  evt.getByLabel(srcGenParticles_, genParticles);

  // Look for the two muons from the matrix element (status=3)
  const reco::GenParticle* genPosMuonME = NULL;
  const reco::GenParticle* genNegMuonME = NULL;
  for(unsigned int i = 0; i < genParticles->size(); ++i)
  {
    const reco::GenParticle& part = (*genParticles)[i];
    if(abs(part.pdgId()) == 13 && part.status() == 3)
    {
      if(part.charge() < 0)
        if(!genNegMuonME)
          genNegMuonME = &part;
      if(part.charge() > 0)
        if(!genPosMuonME)
          genPosMuonME = &part;
    }
  }

  if(genPosMuonME && genNegMuonME)
  {
    const reco::GenParticle* genPosMuon = genPosMuonME;
    const reco::GenParticle* genNegMuon = genNegMuonME;

    // Follow the decay chain to find the stable decay products (status=1)
    while(genPosMuon->status() != 1 && genPosMuon->numberOfDaughters() > 0)
    {
      unsigned int i;
      for(i = 0; i < genPosMuon->numberOfDaughters(); ++i)
      {
        const reco::GenParticle* daughter = dynamic_cast<const reco::GenParticle*>(genPosMuon->daughter(i));
        if(abs(daughter->pdgId()) == 13)
          { genPosMuon = daughter; break; }
      }

      // No more muon daugthers? Maybe mu->e decay...
      if(i == genPosMuon->numberOfDaughters())
        break;
    }

    while(genNegMuon->status() != 1 && genNegMuon->numberOfDaughters() > 0)
    {
      unsigned int i;
      for(i = 0; i < genNegMuon->numberOfDaughters(); ++i)
      {
        const reco::GenParticle* daughter = dynamic_cast<const reco::GenParticle*>(genNegMuon->daughter(i));
        if(abs(daughter->pdgId()) == 13)
          { genNegMuon = daughter; break; }
      }

      // No more muon daugthers? Maybe mu->e decay...
      if(i == genNegMuon->numberOfDaughters())
        break;
    }

    // Loop might have broken earlier if there are no more daugthers, or if
    // the decay chain does not end in a muon.
    if(genPosMuon->status() == 1 && genNegMuon->status() == 1)
    {
      hPtPosPtNeg_->Fill(genPosMuon->pt(), genNegMuon->pt());
      hEtaPosEtaNeg_->Fill(genPosMuon->eta(), genNegMuon->eta());
      hPtPosEtaPos_->Fill(genPosMuon->pt(), genPosMuon->eta());
      hPtNegEtaNeg_->Fill(genNegMuon->pt(), genNegMuon->eta());
    }
  }
}

void AcceptanceHistoProducer::beginJob ( void  )

privatevirtual

Reimplemented from edm::EDAnalyzer.

Definition at line 20 of file AcceptanceHistoProducer.cc.

References DQMStore::book2DD(), dbe_, dqmDir_, hEtaPosEtaNeg_, hPtNegEtaNeg_, hPtPosEtaPos_, hPtPosPtNeg_, cppFunctionSkipper::operator, DQMStore::setCurrentFolder(), MonitorElement::setLumiFlag(), and MonitorElement::setResetMe().

{
  dbe_ = edm::Service<DQMStore>().operator->();

  dbe_->setCurrentFolder("MCEmbedding/ZmumuAcceptance/" + dqmDir_);
  hPtPosPtNeg_ = dbe_->book2DD("PtPosPtNeg", "Positive muon transverse momentum vs. negative muon transverse momentum;p_{T}^{+};p_{T}^{-}", 500, 0.0, 500.0, 500, 0.0, 500.0);
  hEtaPosEtaNeg_ = dbe_->book2DD("EtaPosEtaNeg", "Positive muon pseudorapdity vs. negative muon pseudorapidity;#eta^{+};#eta^{-}", 500, -2.5, 2.5, 500, -2.5, 2.5);
  hPtPosEtaPos_ = dbe_->book2DD("PtPosEtaPos", "Positive muon transverse momentum vs. positive muon pseudorapidity;p_{T}^{+};#eta^{+}", 500, 0.0, 500.0, 500, -2.5, 2.5);
  hPtNegEtaNeg_ = dbe_->book2DD("PtNegEtaNeg", "Negative muon transverse momentum vs. negative muon pseudorapidity;p_{T}^{-};#eta^{-}", 500, 0.0, 500.0, 500, -2.5, 2.5);

  hPtPosPtNeg_->setResetMe(true);
  hPtPosPtNeg_->setLumiFlag();
  hEtaPosEtaNeg_->setResetMe(true);
  hEtaPosEtaNeg_->setLumiFlag();
  hPtPosEtaPos_->setResetMe(true);
  hPtPosEtaPos_->setLumiFlag();
  hPtNegEtaNeg_->setResetMe(true);
  hPtNegEtaNeg_->setLumiFlag();
}

Member Data Documentation

DQMStore* AcceptanceHistoProducer::dbe_

private

Definition at line 42 of file AcceptanceHistoProducer.h.

Referenced by beginJob().

std::string AcceptanceHistoProducer::dqmDir_

private

Definition at line 39 of file AcceptanceHistoProducer.h.

Referenced by beginJob().

MonitorElement* AcceptanceHistoProducer::hEtaPosEtaNeg_

private

Definition at line 45 of file AcceptanceHistoProducer.h.

Referenced by analyze(), and beginJob().

MonitorElement* AcceptanceHistoProducer::hPtNegEtaNeg_

private

Definition at line 47 of file AcceptanceHistoProducer.h.

Referenced by analyze(), and beginJob().

MonitorElement* AcceptanceHistoProducer::hPtPosEtaPos_

private

Definition at line 46 of file AcceptanceHistoProducer.h.

Referenced by analyze(), and beginJob().

MonitorElement* AcceptanceHistoProducer::hPtPosPtNeg_

private

Definition at line 44 of file AcceptanceHistoProducer.h.

Referenced by analyze(), and beginJob().

edm::InputTag AcceptanceHistoProducer::srcGenParticles_

private

Definition at line 40 of file AcceptanceHistoProducer.h.

Referenced by analyze().