Inheritance diagram for WeakEffectsWeightProducer:

Public Member Functions
virtual void	beginJob () override

virtual void	endJob () override

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

	WeakEffectsWeightProducer (const edm::ParameterSet &pset)

virtual	~WeakEffectsWeightProducer ()

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 (const std::string &iProcessName, std::vector< const char * > &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 Member Functions
double	alphaQED (double q2)

double	sigma0_qqbarll (unsigned int quark_type, double Q, double rho)

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

double	rhoParameter_

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 6 of file WeakEffectsWeightProducer.cc.

Constructor & Destructor Documentation

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

Definition at line 31 of file WeakEffectsWeightProducer.cc.

                                                                                 :
 //       genParticlesToken_(consumes<reco::GenParticleCollection>(pset.getUntrackedParameter<edm::InputTag> ("GenParticlesTag", edm::InputTag("genParticles")))),
       genParticlesToken_(consumes<reco::GenParticleCollection>(edm::InputTag("genParticles"))),
       rhoParameter_(pset.getUntrackedParameter<double> ("RhoParameter", 1.004))
 {
       produces<double>();
 }

WeakEffectsWeightProducer::~WeakEffectsWeightProducer ( )

virtual

Definition at line 40 of file WeakEffectsWeightProducer.cc.

40 {}

Member Function Documentation

double WeakEffectsWeightProducer::alphaQED ( double q2 )

private

Definition at line 86 of file WeakEffectsWeightProducer.cc.

References create_public_lumi_plots::log.

Referenced by sigma0_qqbarll().

                                                     {
       double pigaga = -0.010449239475366825 - 0.0023228196282246765*log(q2)- 0.0288 - 0.002980*(log(q2/8464.)+0.006307*(q2/8464.-1.));
       return (1./137.0359895) / (1.+pigaga);
 }

void WeakEffectsWeightProducer::beginJob ( void )

overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 43 of file WeakEffectsWeightProducer.cc.

43 {

44 }

void WeakEffectsWeightProducer::endJob ( void )

overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 47 of file WeakEffectsWeightProducer.cc.

47 {

48 }

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

overridevirtual

Implements edm::EDProducer.

Definition at line 51 of file WeakEffectsWeightProducer.cc.

References funct::abs(), genParticleCandidates2GenParticles_cfi::genParticles, genParticlesToken_, edm::Event::getByToken(), i, edm::EventBase::isRealData(), relval_steps::key, reco::LeafCandidate::mass(), reco::CompositeRefCandidateT< D >::motherRef(), reco::CompositeRefCandidateT< D >::numberOfMothers(), benchmark_cfg::pdgId, reco::LeafCandidate::pdgId(), edm::Event::put(), class-composition::Q, rhoParameter_, sigma0_qqbarll(), reco::LeafCandidate::status(), ntuplemaker::status, and histoStyle::weight.

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

                                                                               {
       if (iEvent.isRealData()) return;
 
       edm::Handle<reco::GenParticleCollection> genParticles;
       iEvent.getByToken(genParticlesToken_, genParticles);
       unsigned int gensize = genParticles->size();
 
       std::auto_ptr<double> weight (new double);
 
       // Set default weight
       (*weight) = 1.;
 
       // Only DY implemented for the time being
       for(unsigned int i = 0; i<gensize; ++i) {
             const reco::GenParticle& part = (*genParticles)[i];
             int status = part.status();
             if (status!=3) break;
             int id = part.pdgId();
             if (id!=23) continue;
             double Q = part.mass();
             unsigned int nmothers = part.numberOfMothers();
             if (nmothers<=0) continue;
             size_t key = part.motherRef(0).key();
             unsigned int quark_id = abs((*genParticles)[key].pdgId());
             if (quark_id>0 && quark_id<6) {
                   (*weight) *= sigma0_qqbarll(quark_id, Q, rhoParameter_)
                              / sigma0_qqbarll(quark_id, Q, 1.0);
             }
             break;
       }
 
       //printf(" \t >>>>> WeakEffectsWeightProducer: Final weight = %f\n", (*weight));
       iEvent.put(weight);
 }

double WeakEffectsWeightProducer::sigma0_qqbarll	(	unsigned int	quark_type,
		double	Q,
		double	rho
	)

private

Definition at line 91 of file WeakEffectsWeightProducer.cc.

References funct::abs(), alphaQED(), create_public_lumi_plots::log, M_PI, MZ, funct::pow(), class-composition::Q, and mathSSE::sqrt().

Referenced by produce().

                                                                                             {
       double MZ = 91.188;
       double GZ = 2.495;
       double sin2eff = 0.232;
 
       double vl = -0.5 + 2.*sin2eff;
       double al = -0.5;
 
       double qq = 0.;
       double vq = 0.;
       double aq = 0.;
       double alphaW = 2.7e-3 * pow(log(Q*Q/80.4/80.4),2);
       double alphaZ = 2.7e-3 * pow(log(Q*Q/MZ/MZ),2);
       double sudakov_factor = 1.;
       if (abs(quark_id)%2==1) {
             qq = -1./3.;
             vq = -0.5 - 2.*qq*sin2eff;
             aq = -0.5;
             sudakov_factor = 1 + (-2.139 + 0.864)*alphaW - 0.385*alphaZ;
       } else {
             qq = 2./3.;
             vq = 0.5 - 2.*qq*sin2eff;
             aq = 0.5;
             sudakov_factor = 1 + (-3.423 + 1.807)*alphaW - 0.557*alphaZ;
       }
 
       double alfarn = alphaQED(Q*Q);
       double zcoupl = sqrt(2.) * 1.166389e-5 * MZ*MZ / 4. / M_PI;
       double gll = zcoupl * MZ/3. * (vl*vl + al*al);
       double gdd = zcoupl * MZ/3. * (vq*vq + aq*aq);
       double denom =  (Q*Q-MZ*MZ)*(Q*Q-MZ*MZ)+ pow(Q,4)*GZ*GZ/MZ/MZ;
       double qed = M_PI * qq*qq * alfarn*alfarn / Q/Q;
       double zint = rho * 2*M_PI * zcoupl * alfarn * qq * vq*vl * (Q*Q-MZ*MZ) / denom;
       double zonly = rho * rho * 9.*M_PI * gll * gdd / MZ/MZ * Q*Q / denom;
 
       return (qed + zint + zonly) * sudakov_factor;
 }

Member Data Documentation

edm::EDGetTokenT<reco::GenParticleCollection> WeakEffectsWeightProducer::genParticlesToken_

private

Definition at line 14 of file WeakEffectsWeightProducer.cc.

Referenced by produce().

double WeakEffectsWeightProducer::rhoParameter_

private

Definition at line 15 of file WeakEffectsWeightProducer.cc.

Referenced by produce().

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation