PatJPsiProducer Class Reference

#include <Analysis/PatJPsiProducer/src/PatJPsiProducer.cc>

Inheritance diagram for PatJPsiProducer:

Public Member Functions
	PatJPsiProducer (const edm::ParameterSet &)
	~PatJPsiProducer ()
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()

Private Member Functions
virtual void	beginJob ()
virtual void	endJob ()
virtual void	produce (edm::Event &, const edm::EventSetup &)

Private Attributes
edm::InputTag	muonSrc_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
typedef WorkerT< EDProducer >	WorkerType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const
Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Description: <one line="" class="" summary>="">

Implementation: <Notes on="" implementation>="">

Definition at line 51 of file PatJPsiProducer.cc.

Constructor & Destructor Documentation

PatJPsiProducer::PatJPsiProducer ( const edm::ParameterSet &  iConfig )

explicit

Definition at line 78 of file PatJPsiProducer.cc.

                                                               :
  muonSrc_ ( iConfig.getParameter<edm::InputTag>("muonSrc") )
{
  produces<std::vector<pat::CompositeCandidate> > ();
  
}

PatJPsiProducer::~PatJPsiProducer

(

)

Definition at line 86 of file PatJPsiProducer.cc.

{
 
}

Member Function Documentation

void PatJPsiProducer::beginJob ( void  )

privatevirtual

Reimplemented from edm::EDProducer.

Definition at line 147 of file PatJPsiProducer.cc.

{
}

void PatJPsiProducer::endJob ( void  )

privatevirtual

Reimplemented from edm::EDProducer.

Definition at line 153 of file PatJPsiProducer.cc.

                        {
}

void PatJPsiProducer::produce ( edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

privatevirtual

Implements edm::EDProducer.

Definition at line 98 of file PatJPsiProducer.cc.

References reco::CompositeCandidate::addDaughter(), pat::PATObject< ObjectType >::addUserFloat(), edm::Event::getByLabel(), edm::HandleBase::isValid(), reco::LeafCandidate::mass(), muonSrc_, edm::Event::put(), and AddFourMomenta::set().

{

  std::auto_ptr<std::vector<pat::CompositeCandidate> > jpsiCands( new std::vector<pat::CompositeCandidate> );
  edm::Handle<edm::View<pat::Muon> > h_muons;
  iEvent.getByLabel( muonSrc_, h_muons );

  // const double MUON_MASS = 0.106;
  const double JPSI_MASS = 3.097;

    
  if ( h_muons.isValid() && h_muons->size() > 1 ) {
    
    for ( edm::View<pat::Muon>::const_iterator muonsBegin = h_muons->begin(),
        muonsEnd = h_muons->end(), imuon = muonsBegin;
      imuon != muonsEnd - 1; ++imuon ) {
      if ( imuon->pt() > 1.0 ) {


    for ( edm::View<pat::Muon>::const_iterator jmuon = imuon + 1;
          jmuon != muonsEnd; ++jmuon ) {
      if ( imuon->charge() * jmuon->charge() < 0 ) {

        pat::CompositeCandidate jpsi;
        jpsi.addDaughter( *imuon, "mu1");
        jpsi.addDaughter( *jmuon, "mu2");

        AddFourMomenta addp4;
        addp4.set( jpsi );

        double dR = reco::deltaR<pat::Muon,pat::Muon>( *imuon, *jmuon );

        jpsi.addUserFloat("dR", dR );

        if ( fabs( jpsi.mass() - JPSI_MASS ) < 1.0 ) {
          jpsiCands->push_back( jpsi );
        }
      }
    }
      }
    }
  }
  
  iEvent.put( jpsiCands );
 
}

Member Data Documentation

edm::InputTag PatJPsiProducer::muonSrc_

private

Definition at line 63 of file PatJPsiProducer.cc.

Referenced by produce().