Inheritance diagram for ISRGammaWeightProducer:

Public Member Functions
virtual void	beginJob () override

virtual void	endJob () override

	ISRGammaWeightProducer (const edm::ParameterSet &)

virtual void	produce (edm::Event &, const edm::EventSetup &) override

	~ISRGammaWeightProducer ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

ModuleDescription const &	moduleDescription () const

virtual	~EDProducer ()

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

	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

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

	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 (std::string const &iProcessName, std::string const &iModuleLabel, bool iPrint, std::vector< char const * > &oModuleLabels) const

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

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Attributes
edm::EDGetTokenT < reco::GenParticleCollection >	genToken_

std::vector< double >	isrBinEdges_

std::vector< double >	ptWeights_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

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

Definition at line 20 of file ISRGammaWeightProducer.cc.

Constructor & Destructor Documentation

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

explicit

Definition at line 37 of file ISRGammaWeightProducer.cc.

References genToken_, edm::ParameterSet::getUntrackedParameter(), and HLT_FULL_cff::InputTag.

                                                                           {
       genToken_ = consumes<reco::GenParticleCollection>(pset.getUntrackedParameter<edm::InputTag> ("GenTag", edm::InputTag("genParticles")));
 
       produces<double>();
 }

ISRGammaWeightProducer::~ISRGammaWeightProducer ( )

Definition at line 44 of file ISRGammaWeightProducer.cc.

44 {}

Member Function Documentation

void ISRGammaWeightProducer::beginJob ( void )

overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 47 of file ISRGammaWeightProducer.cc.

47 {}

void ISRGammaWeightProducer::endJob ( void )

overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 50 of file ISRGammaWeightProducer.cc.

50 {}

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

overridevirtual

Implements edm::EDProducer.

Definition at line 53 of file ISRGammaWeightProducer.cc.

References funct::abs(), reco::CompositeRefCandidateT< D >::daughterRef(), genParticleCandidates2GenParticles_cfi::genParticles, genToken_, edm::Event::getByToken(), i, edm::EventBase::isRealData(), j, reco::LeafCandidate::mass(), reco::CompositeRefCandidateT< D >::motherRef(), reco::CompositeRefCandidateT< D >::numberOfDaughters(), reco::CompositeRefCandidateT< D >::numberOfMothers(), reco::LeafCandidate::p4(), reco::LeafCandidate::pdgId(), edm::Event::put(), alignCSCRings::s, reco::LeafCandidate::status(), ntuplemaker::status, lumiQTWidget::t, and puppiForMET_cff::weight.

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

                                                                            {
 
       if (iEvent.isRealData()) return;
 
       edm::Handle<reco::GenParticleCollection> genParticles;
       iEvent.getByToken(genToken_, genParticles);
       unsigned int gensize = genParticles->size();
 
       std::auto_ptr<double> weight (new double);
 
       // Set a default weight to start with
       (*weight) = 1.;
 
       // Find the boson at the hard scattering level
       const reco::GenParticle* boson = 0;
       int parton1Key = -1;
       int parton2Key = -1;
       for (unsigned int i = 0; i<gensize; ++i) {
             const reco::GenParticle& part = (*genParticles)[i];
             int status = abs(part.status());
             if (status!=3) continue;
             if (part.numberOfMothers()!=2) continue;
             int partId = abs(part.pdgId());
             if (status==3 && (partId==23||abs(partId)==24)) {
                   boson = &(*genParticles)[i];
                   parton1Key = part.motherRef(0).key();
                   parton2Key = part.motherRef(1).key();
                   break;
             }
       }
 
       // Consider only photons near the hard-scattering process
       const reco::GenParticle* photon = 0;
       if (boson) {
         for (unsigned int i = 0; i<gensize; ++i) {
             photon = 0;
             const reco::GenParticle& part = (*genParticles)[i];
             int status = abs(part.status());
             if (status!=1) continue;
             int partId = abs(part.pdgId());
             if (partId!=22)  continue;
             if (part.numberOfMothers()!=1) continue;
             int keyM = part.motherRef(0).key();
             const reco::GenParticle* mother = &(*genParticles)[keyM];
             if (mother->status()!=3) continue;
             int mId = mother->pdgId();
             if (abs(mId)>6 && mId!=2212) continue;
             for (unsigned int j=0; j<mother->numberOfDaughters(); ++j){
                   int keyD = mother->daughterRef(j).key();
                   if (keyD==parton1Key || keyD==parton2Key) {
                         photon = &part;
                         break;
                   }
             }
             if (photon) break;
         }
       }
 
       if (boson && photon) {
             math::XYZTLorentzVector smom = boson->p4() + photon->p4();
             double s = smom.M2();
             double sqrts = smom.M();
 
             // Go to CM using the boost direction of the boson+photon system
             ROOT::Math::Boost cmboost(smom.BoostToCM());
             math::XYZTLorentzVector photonCM(cmboost(photon->p4()));
             double pcostheta = (  smom.x()*photonCM.x()
                                + smom.y()*photonCM.y()
                                + smom.z()*photonCM.z() ) / smom.P();
 
             // Determine kinematic invariants
             double t = - sqrts * (photonCM.t()-pcostheta);
             double MV = boson->mass();
             double u = MV*MV - s - t;
             (*weight) = 1. - 2*t*u/(s*s+MV*MV*MV*MV);
             //printf(">>>>>>>>> s %f t %f u %f, MV %f, weight = %f\n", s, t, u, MV, (*weight));
       }
 
       iEvent.put(weight);
 }

Member Data Documentation

edm::EDGetTokenT<reco::GenParticleCollection> ISRGammaWeightProducer::genToken_

private

Definition at line 30 of file ISRGammaWeightProducer.cc.

Referenced by ISRGammaWeightProducer(), and produce().

std::vector<double> ISRGammaWeightProducer::isrBinEdges_

private

Definition at line 31 of file ISRGammaWeightProducer.cc.

std::vector<double> ISRGammaWeightProducer::ptWeights_

private

Definition at line 32 of file ISRGammaWeightProducer.cc.

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation