#include <MCDijetResonance.h>

Inheritance diagram for MCDijetResonance:

Public Member Functions
virtual void	endJob ()

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

	MCDijetResonance (const edm::ParameterSet &)

	~MCDijetResonance ()

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
int	bosonID

std::string	dijetProcess

int	maxQuarkID

unsigned int	nAccepted

unsigned int	nEvents

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

Definition at line 41 of file MCDijetResonance.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 12 of file MCDijetResonance.cc.

References bosonID, gather_cfg::cout, dijetProcess, edm::ParameterSet::getUntrackedParameter(), maxQuarkID, nAccepted, and nEvents.

                                                                  :
   token_(consumes<edm::HepMCProduct>(edm::InputTag(iConfig.getUntrackedParameter("moduleLabel",std::string("generator")),"unsmeared")))
 {
    //here do whatever other initialization is needed
    
    //Get dijet process type we will select
    dijetProcess = iConfig.getUntrackedParameter<string>( "dijetProcess" );
    cout << "Dijet Resonance Filter Selecting Process = " << dijetProcess << endl;
    
    maxQuarkID = 4;   //Maximum |ID| of Light Quark = charm quark gives  u, d, s, and c decays of Zprime.
    bosonID = 21;     //Gluon
 
    //Number of events and Number Accepted
    nEvents = 0;
    nAccepted = 0;   
 }

MCDijetResonance::~MCDijetResonance ( )

Definition at line 30 of file MCDijetResonance.cc.

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

Member Function Documentation

void MCDijetResonance::endJob ( void )

virtual

Reimplemented from edm::EDFilter.

Definition at line 38 of file MCDijetResonance.cc.

References nAccepted, and nEvents.

 {
   edm::LogVerbatim("MCDijetResonanceInfo") << "================MCDijetResonance report========================================\n" 
         << "Events read " << nEvents << " Events accepted " << nAccepted << "\nEfficiency " << ((double)nAccepted)/((double)nEvents) 
         << "\n====================================================================" << std::endl;
 }

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

virtual

Implements edm::EDFilter.

Definition at line 46 of file MCDijetResonance.cc.

References funct::abs(), bosonID, gather_cfg::cout, dijetProcess, edm::Event::getByToken(), maxQuarkID, nAccepted, nEvents, AlCaHLTBitMon_ParallelJobs::p, and token_.

 {
   nEvents++;
   cout << endl << "Event=" << nEvents << endl;
   using namespace edm;
   Handle<HepMCProduct> evt;
   iEvent.getByToken(token_, evt);
   const HepMC::GenEvent * myGenEvent = evt->GetEvent();
 
   //If process is not the desired primary process, cleanup and reject the event.
   if (dijetProcess == "ZprimeLightQuarks" &&  myGenEvent->signal_process_id() != 141){
     // Wanted a Z' but didn't find it, so reject event.
     delete myGenEvent;
     return false;
    }
   if (dijetProcess == "QstarQuarkGluon" &&  myGenEvent->signal_process_id() != 147  &&  myGenEvent->signal_process_id() != 148){
     // Wanted a q* but didn't find it, so reject event.
     delete myGenEvent;
     return false;
    }
   
   //found a dijet resonance
   
   //debug
   // int count = 0;
   //for ( HepMC::GenEvent::particle_iterator p = myGenEvent->particles_begin();
   //    p != myGenEvent->particles_end() & count<13; ++p ) 
   // {
   //std::cout << count << ": ID=" << (*p)->pdg_id() << ", status=" << (*p)->status() << ", mass=" << (*p)->momentum().invariantMass() << ", pt=" <<(*p)->momentum().perp() << std::endl;
   //count++;
   //} 
   
   for ( HepMC::GenEvent::particle_const_iterator p = myGenEvent->particles_begin();
     p != myGenEvent->particles_end(); ++p ) 
     {
       //Find resonance particle and check that it is part of hard collision
       if ( (*p)->status() == 3 && ( (dijetProcess == "ZprimeLightQuarks" && (*p)->pdg_id() == 32)     || 
                                     (dijetProcess == "QstarQuarkGluon"   && abs((*p)->pdg_id()) == 4000001) ||
                                     (dijetProcess == "QstarQuarkGluon"   && abs((*p)->pdg_id()) == 4000002) ) )
         { 
           // The next two particles are the outgoing particles from the resonance decay
       p++;
       int ID1 = (*p)->pdg_id();
       p++;
       int ID2 = (*p)->pdg_id();
 
           //Check for the process we want
       if( (dijetProcess == "ZprimeLightQuarks" && abs(ID1) <= maxQuarkID  && abs(ID2) <= maxQuarkID ) ||
           (dijetProcess == "QstarQuarkGluon"   && ( ID1 ==  bosonID  || ID2 == bosonID )            )   ) 
       {
         //cout << "dijet resonance " << dijetProcess << " found " << endl; 
         nAccepted++;
             delete myGenEvent;   
         return true;
       }
       else
       {
             delete myGenEvent;   
         return false;
       }
     }
 
     } 
 
   delete myGenEvent;   
   return false;
 }