#include <PythiaFilterZJetWithOutBg.h>

Inheritance diagram for PythiaFilterZJetWithOutBg:

Public Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)

	PythiaFilterZJetWithOutBg (const edm::ParameterSet &)

	~PythiaFilterZJetWithOutBg ()

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

ModuleDescription const &	moduleDescription () const

virtual	~EDFilter ()

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 Attributes
double	dm_z

double	etaMuMax

double	m_z

int	maxnumberofeventsinrun

int	nmu

double	ptMuMin

double	ptZMax

double	ptZMin

int	theNumberOfSelected

edm::EDGetTokenT < edm::HepMCProduct >	token_

Additional Inherited Members
Public Types inherited from edm::EDFilter
typedef EDFilter	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::EDFilter
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

PythiaFilterZJetWithOutBg filter implements generator-level preselections for photon+jet like events to be used in jet energy calibration. Ported from fortran code written by V.Konoplianikov.

Author: A.Ulyanov, ITEP

Definition at line 30 of file PythiaFilterZJetWithOutBg.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 9 of file PythiaFilterZJetWithOutBg.cc.

References dm_z, m_z, and theNumberOfSelected.

                                                                                    :
 token_(consumes<edm::HepMCProduct>(edm::InputTag(iConfig.getUntrackedParameter("moduleLabel",std::string("generator")),"unsmeared"))),
 etaMuMax(iConfig.getUntrackedParameter<double>("MaxMuonEta", 2.5)),
 ptMuMin(iConfig.getUntrackedParameter<double>("MinMuonPt", 3.5)),
 ptZMin(iConfig.getUntrackedParameter<double>("MinZPt")),
 ptZMax(iConfig.getUntrackedParameter<double>("MaxZPt")),
 maxnumberofeventsinrun(iConfig.getUntrackedParameter<int>("MaxEvents",10000))
 { 
   m_z=91.19;
   dm_z=10.;  
   theNumberOfSelected = 0;
 }

PythiaFilterZJetWithOutBg::~PythiaFilterZJetWithOutBg ( )

Definition at line 23 of file PythiaFilterZJetWithOutBg.cc.

23 {}

Member Function Documentation

bool PythiaFilterZJetWithOutBg::filter	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Implements edm::EDFilter.

Definition at line 27 of file PythiaFilterZJetWithOutBg.cc.

References funct::abs(), gather_cfg::cout, dm_z, eta, etaMuMax, edm::Event::getByToken(), m_z, RPCpg::mu, AlCaHLTBitMon_ParallelJobs::p, ptMuMin, ptZMax, ptZMin, mathSSE::sqrt(), theNumberOfSelected, and token_.

                                                                                    {
 
 //  if(theNumberOfSelected>=maxnumberofeventsinrun)   {
 //    throw cms::Exception("endJob")<<"we have reached the maximum number of events ";
 //  }
 
   bool accepted = false;
   edm::Handle<edm::HepMCProduct> evt;
   iEvent.getByToken(token_, evt);
 
   const HepMC::GenEvent * myGenEvent = evt->GetEvent();
 
 
 
   std::vector<const HepMC::GenParticle *> mu;
 
   for ( HepMC::GenEvent::particle_const_iterator p = myGenEvent->particles_begin();   p != myGenEvent->particles_end(); ++p ) {
    
     if ( std::abs((*p)->pdg_id())==13 && (*p)->status()==1 )
       mu.push_back(*p);
     if(mu.size()>1) break;
   }
 
 //    std::cout<<" Number of muons "<<mu.size()<<" "<<mu[0]->pdg_id()<<" "<<mu[1]->pdg_id()<<std::endl;
     
     if(mu.size() != 2) return false;
   
     if(mu[0]->pdg_id()*(mu[1]->pdg_id()) > 0) {
       return false;
     }
       
 //      std::cout<<" Muons sign accept "<<mu[0]->momentum().perp()<<" "<<mu[1]->momentum().perp()<<std::endl;
       
     if(mu[0]->momentum().perp()<ptMuMin || mu[1]->momentum().perp()<ptMuMin) return false;
     
 //    std::cout<<" Muons pt accept "<<std::fabs(mu[0]->momentum().eta())<<" "<<std::fabs(mu[1]->momentum().eta())<<std::endl;
     
     if(std::fabs(mu[0]->momentum().eta()) > etaMuMax) return false;
     if(std::fabs(mu[1]->momentum().eta()) > etaMuMax) return false;
     
     
     double mmup = mu[0]->generatedMass();
     double mmum = mu[1]->generatedMass();
     double pxZ = mu[0]->momentum().x()+mu[1]->momentum().x();
     double pyZ = mu[0]->momentum().y()+mu[1]->momentum().y();
     double pzZ = mu[0]->momentum().z()+mu[1]->momentum().z();
     
     double pmup2 = mu[0]->momentum().x()*mu[0]->momentum().x()+
                    mu[0]->momentum().y()*mu[0]->momentum().y()+
            mu[0]->momentum().z()*mu[0]->momentum().z();
     double pmum2 = mu[1]->momentum().x()*mu[1]->momentum().x()+
                    mu[1]->momentum().y()*mu[1]->momentum().y()+
            mu[1]->momentum().z()*mu[1]->momentum().z();
     double emup = sqrt(pmup2+mmup*mmup);
     double emum = sqrt(pmum2+mmum*mmum);
     
     double massZ = sqrt((emup+emum)*(emup+emum)-pxZ*pxZ-pyZ*pyZ-pzZ*pzZ);
     
 //    std::cout<<" Muons eta accept "<<massZ<<std::endl;
     
     
     if(std::fabs(massZ-m_z)>dm_z) return false;
     
     //    double ptZ= (mu[0]->momentum() + mu[1]->momentum()).perp();
 //    std::cout<<" MassZ accept "<<ptZ<<std::endl;
 
     math::XYZTLorentzVector tot_mom(mu[0]->momentum());
     math::XYZTLorentzVector mom2(mu[1]->momentum());
     tot_mom += mom2;
     //    double ptZ= (mu[0]->momentum() + mu[1]->momentum()).perp();
     double ptZ = tot_mom.pt();
     
 
     if (ptZ > ptZMin && ptZ < ptZMax ) accepted=true;
  
 
   if (accepted) {
     theNumberOfSelected++;
      std::cout<<" Event accept "<<theNumberOfSelected<<std::endl;
     return true; 
   }
   else return false;
 
 }