MCZll Class Reference

#include <MCZll.h>

Inheritance diagram for MCZll:

Public Member Functions
void	endJob () override
bool	filter (edm::Event &, const edm::EventSetup &) override
	MCZll (const edm::ParameterSet &)
	~MCZll () override
Public Member Functions inherited from edm::EDFilter
	EDFilter ()
SerialTaskQueue *	globalLuminosityBlocksQueue ()
SerialTaskQueue *	globalRunsQueue ()
ModuleDescription const &	moduleDescription () const
	~EDFilter () override
Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const
	ProducerBase ()
std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)
	~ProducerBase () noexcept(false) override
Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const
void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...
	EDConsumerBase ()
	EDConsumerBase (EDConsumerBase const &)=delete
	EDConsumerBase (EDConsumerBase &&)=default
ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
EDConsumerBase const &	operator= (EDConsumerBase const &)=delete
EDConsumerBase &	operator= (EDConsumerBase &&)=default
bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const
void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
virtual	~EDConsumerBase () noexcept(false)

Private Attributes
bool	filter_
double	leptonEtaMax_
double	leptonEtaMin_
int	leptonFlavour_
double	leptonPtMax_
double	leptonPtMin_
unsigned int	nAccepted_
unsigned int	nEvents_
edm::EDGetTokenT< edm::HepMCProduct >	token_
std::pair< double, double >	zMassRange_

Additional Inherited Members
Public Types inherited from edm::EDFilter
typedef EDFilter	ModuleType
Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const *, const char *, edm::ProductResolverIndex >>
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 &)
static bool	wantsGlobalLuminosityBlocks ()
static bool	wantsGlobalRuns ()
static bool	wantsStreamLuminosityBlocks ()
static bool	wantsStreamRuns ()
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 41 of file MCZll.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 13 of file MCZll.cc.

References filter_, edm::ParameterSet::getUntrackedParameter(), leptonEtaMax_, leptonEtaMin_, leptonFlavour_, leptonPtMax_, leptonPtMin_, str, and zMassRange_.

                                           :
  token_(consumes<edm::HepMCProduct>(edm::InputTag(iConfig.getUntrackedParameter("moduleLabel",std::string("generator")),"unsmeared"))),
  nEvents_(0),
  nAccepted_(0)
{
  leptonFlavour_ = iConfig.getUntrackedParameter<int>("leptonFlavour",11);
  leptonPtMin_ = iConfig.getUntrackedParameter<double>("leptonPtMin",5.);
  leptonPtMax_ = iConfig.getUntrackedParameter<double>("leptonPtMax",99999.);
  leptonEtaMin_ = iConfig.getUntrackedParameter<double>("leptonEtaMin",0.);
  leptonEtaMax_ = iConfig.getUntrackedParameter<double>("leptonEtaMax",2.7);
  zMassRange_.first = iConfig.getUntrackedParameter<double>("zMassMin",60.);
  zMassRange_.second = iConfig.getUntrackedParameter<double>("zMassMax",120.);
  filter_ = iConfig.getUntrackedParameter<bool>("filter",true);
  std::ostringstream str;
  str << "=========================================================\n" 
      << "Filter MCZll being constructed with parameters: " 
      << "\nleptonFlavour " << leptonFlavour_ 
      << "\nleptonPtMin " << leptonPtMin_
      << "\nleptonPtMax " << leptonPtMax_
      << "\nleptonEtaMin " << leptonEtaMin_
      << "\nleptonEtaMax " << leptonEtaMax_
      << "\nzMassMin " << zMassRange_.first
      << "\nzMassMax " << zMassRange_.second
      << "\n=========================================================" ;
  edm::LogVerbatim("MCZllInfo") <<  str.str() ;
  if (filter_)
    produces<HepMCProduct>();
}

MCZll::~MCZll ( )

override

Definition at line 43 of file MCZll.cc.

{
 
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)

}

Member Function Documentation

void MCZll::endJob ( void  )

overridevirtual

Reimplemented from edm::EDFilter.

Definition at line 51 of file MCZll.cc.

References nAccepted_, and nEvents_.

{
  edm::LogVerbatim("MCZllInfo") << "================MCZll report========================================\n" 
        << "Events read " << nEvents_ << " Events accepted " << nAccepted_ << "\nEfficiency " << ((double)nAccepted_)/((double)nEvents_) 
        << "\n====================================================================" << std::endl;
}

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

override

Definition at line 59 of file MCZll.cc.

References funct::abs(), class-composition::children, edm::EventID::event(), filter_, GenParticle::GenParticle, edm::Event::getByToken(), edm::HepMCProduct::GetEvent(), edm::EventBase::id(), leptonEtaMax_, leptonEtaMin_, leptonFlavour_, leptonPtMax_, leptonPtMin_, LogDebug, eostools::move(), nAccepted_, nEvents_, AlCaHLTBitMon_ParallelJobs::p, edm::Event::put(), token_, zMassRange_, and CombinatorialSeedGeneratorForCosmicsRegionalReconstruction_cfi::zVertex.

{
  std::unique_ptr<HepMCProduct> bare_product(new HepMCProduct());

  nEvents_++;
  using namespace edm;
  bool accepted = false;
  Handle<HepMCProduct> evt;
  iEvent.getByToken(token_, evt);
  HepMC::GenEvent * myGenEvent = new  HepMC::GenEvent(*(evt->GetEvent()));
  HepMC::GenEvent * zEvent = new HepMC::GenEvent();

  if (myGenEvent->signal_process_id() != 1) 
    {
      delete myGenEvent;   
      delete zEvent;
      return false;
    }
      
  
  //found a prompt Z
  
  for ( HepMC::GenEvent::particle_iterator p = myGenEvent->particles_begin();
    p != myGenEvent->particles_end(); ++p ) 
    {
      if ( !accepted && ( (*p)->pdg_id() == 23 ) && (*p)->status() == 3 ) 
    { 
      accepted=true;
      HepMC::GenVertex* zVertex = new HepMC::GenVertex();
      HepMC::GenParticle* myZ= new HepMC::GenParticle(*(*p));
      zVertex->add_particle_in(myZ);
      //      std::cout << (*p)->momentum().invariantMass() << std::endl;
      if ((*p)->momentum().m() < zMassRange_.first || (*p)->momentum().m() > zMassRange_.second)
        accepted = false; 
      std::vector<HepMC::GenParticle*> children;
      HepMC::GenVertex* outVertex=(*p)->end_vertex();
      for(HepMC::GenVertex::particles_out_const_iterator iter = outVertex->particles_out_const_begin();
          iter != outVertex->particles_out_const_end(); iter++)
        children.push_back(*iter);
      std::vector<HepMC::GenParticle*>::const_iterator aDaughter;
      for (aDaughter = children.begin();aDaughter != children.end();aDaughter++)
        {
          HepMC::GenParticle* myDa= new HepMC::GenParticle(*(*aDaughter));
          zVertex->add_particle_out(myDa);
          if ((*aDaughter)->status() == 2)
        continue;
          //          (*aDaughter)->print();          

          if (! (abs((*aDaughter)->pdg_id()) == abs(leptonFlavour_)) )
        accepted = false; 
          //        std::cout << (*aDaughter)->momentum().perp() << " " << (*aDaughter)->momentum().eta() << std::endl;
          if ((*aDaughter)->momentum().perp() < leptonPtMin_)
        accepted = false; 
          if ((*aDaughter)->momentum().perp() > leptonPtMax_)
        accepted = false; 
          if (fabs((*aDaughter)->momentum().eta()) > leptonEtaMax_)
        accepted = false; 
          if (fabs((*aDaughter)->momentum().eta()) < leptonEtaMin_)
        accepted = false; 
        }
      zEvent->add_vertex( zVertex );
      if (accepted)
        break;
      
    }

    } 
  

  if (accepted)
    {
      if(zEvent)  
    bare_product->addHepMCData(zEvent);
      if (filter_)
    iEvent.put(std::move(bare_product));
      nAccepted_++;
      //      std::cout << "+++++++++++++++++++++++++++++++++++++++++++++++++"<< std::endl;
      LogDebug("MCZll") << "Event " << iEvent.id().event()  << " accepted" << std::endl; 
      //      std::cout << "+++++++++++++++++++++++++++++++++++++++++++++++++"<< std::endl;
      //       myGenEvent->print(); 
      delete myGenEvent;   
      return true; 
    } 

  delete myGenEvent;   
  delete zEvent;
  return false;


}

Member Data Documentation

bool MCZll::filter_

private

Definition at line 59 of file MCZll.h.

Referenced by filter(), and MCZll().

double MCZll::leptonEtaMax_

private

Definition at line 55 of file MCZll.h.

Referenced by filter(), and MCZll().

double MCZll::leptonEtaMin_

private

Definition at line 54 of file MCZll.h.

Referenced by filter(), and MCZll().

int MCZll::leptonFlavour_

private

Definition at line 51 of file MCZll.h.

Referenced by filter(), and MCZll().

double MCZll::leptonPtMax_

private

Definition at line 53 of file MCZll.h.

Referenced by filter(), and MCZll().

double MCZll::leptonPtMin_

private

Definition at line 52 of file MCZll.h.

Referenced by filter(), and MCZll().

unsigned int MCZll::nAccepted_

private

Definition at line 58 of file MCZll.h.

Referenced by endJob(), and filter().

unsigned int MCZll::nEvents_

private

Definition at line 57 of file MCZll.h.

Referenced by endJob(), and filter().

edm::EDGetTokenT<edm::HepMCProduct> MCZll::token_

private

Definition at line 50 of file MCZll.h.

Referenced by filter().

std::pair<double,double> MCZll::zMassRange_

private

Definition at line 56 of file MCZll.h.

Referenced by filter(), and MCZll().