#include <HadronDecayGenEvtSelector.h>

Inheritance diagram for HadronDecayGenEvtSelector:

Public Member Functions
bool	filter (HepMC::GenEvent *)

	HadronDecayGenEvtSelector (const edm::ParameterSet &pset)

bool	selectParticle (HepMC::GenParticle *par, int status, int pdg, double etaMax, double etaMin, double pMin, double ptMax, double ptMin)

virtual	~HadronDecayGenEvtSelector ()

Public Member Functions inherited from BaseHiGenEvtSelector
	BaseHiGenEvtSelector (const edm::ParameterSet &)

bool	selectParticle (HepMC::GenParticle *par, int status, int pdg, double ptMin, double etaMax)

virtual	~BaseHiGenEvtSelector ()

Private Attributes
double	decayEtaMax_

double	decayEtaMin_

int	decayId_

int	decayNtrig_

double	decayPMin_

double	decayPtMax_

double	decayPtMin_

int	decayStatus_

std::vector< double >	hadronEtaMax_

std::vector< double >	hadronEtaMin_

std::vector< int >	hadronId_

std::vector< double >	hadronPMin_

std::vector< double >	hadronPtMax_

std::vector< double >	hadronPtMin_

std::vector< int >	hadronStatus_

Detailed Description

Definition at line 7 of file HadronDecayGenEvtSelector.h.

Constructor & Destructor Documentation

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

Definition at line 6 of file HadronDecayGenEvtSelector.cc.

References decayEtaMax_, decayEtaMin_, decayId_, decayNtrig_, decayPMin_, decayPtMax_, decayPtMin_, decayStatus_, Exception, edm::ParameterSet::getParameter(), hadronEtaMax_, hadronEtaMin_, hadronId_, hadronPMin_, hadronPtMax_, hadronPtMin_, hadronStatus_, edm::errors::LogicError, and ptmin.

                                                                                 : BaseHiGenEvtSelector(pset)
 {
 
   hadronId_        = pset.getParameter<vector<int> >("hadrons");
   hadronStatus_    = pset.getParameter<vector<int> >("hadronStatus");
   hadronEtaMax_    = pset.getParameter<vector<double> >("hadronEtaMax");
   hadronEtaMin_    = pset.getParameter<vector<double> >("hadronEtaMin");
   hadronPMin_      = pset.getParameter<vector<double> >("hadronPMin");
   hadronPtMax_     = pset.getParameter<vector<double> >("hadronPtMax");
   hadronPtMin_     = pset.getParameter<vector<double> >("hadronPtMin");
   
   decayId_        = pset.getParameter<int>("decays");
   decayStatus_    = pset.getParameter<int>("decayStatus");
   decayEtaMax_    = pset.getParameter<double>("decayEtaMax");
   decayEtaMin_    = pset.getParameter<double>("decayEtaMin");
   decayPMin_      = pset.getParameter<double>("decayPMin");
   decayPtMax_     = pset.getParameter<double>("decayPtMax");
   decayPtMin_     = pset.getParameter<double>("decayPtMin");
   decayNtrig_     = pset.getParameter<int>("decayNtrig");
 
      
   int id     = hadronId_.size();
   int st     = hadronStatus_.size();
   int etamax = hadronEtaMax_.size();
   int etamin = hadronEtaMin_.size();
   int pmin   = hadronPMin_.size();
   int ptmax  = hadronPtMax_.size();
   int ptmin  = hadronPtMin_.size();
   
   if( id!=st || id!=etamax || id!=etamin || id!=ptmax || id!=ptmin || id!=pmin)
     {
       throw edm::Exception(edm::errors::LogicError)<<"Hadron selection parameters: "<<id<<st<<etamax<<etamin<<pmin<<ptmax<<ptmin<<endl;
     }
   
 
 }

virtual HadronDecayGenEvtSelector::~HadronDecayGenEvtSelector ( )

inlinevirtual

Definition at line 11 of file HadronDecayGenEvtSelector.h.

References filter().

11 {;}

Member Function Documentation

bool HadronDecayGenEvtSelector::filter ( HepMC::GenEvent * evt )

virtual

Reimplemented from BaseHiGenEvtSelector.

Definition at line 45 of file HadronDecayGenEvtSelector.cc.

References begin, decayEtaMax_, decayEtaMin_, decayId_, decayNtrig_, decayPMin_, decayPtMax_, decayPtMin_, decayStatus_, end, hadronEtaMax_, hadronEtaMin_, hadronId_, hadronPMin_, hadronPtMax_, hadronPtMin_, hadronStatus_, i, and selectParticle().

Referenced by ~HadronDecayGenEvtSelector().

 {
   // loop over HepMC event, and search for  products of interest
 
   HepMC::GenEvent::particle_const_iterator begin = evt->particles_begin();
   HepMC::GenEvent::particle_const_iterator end   = evt->particles_end();
   
   bool foundHadron   = false;
   bool foundDecay    = false;
   
   int foundtrig = 0;
   HepMC::GenEvent::particle_const_iterator it = begin;
   while( (!foundHadron || !foundDecay) && it != end )
     {
       for(unsigned i = 0; i < hadronId_.size(); ++i)
     {
       if( selectParticle(*it, 
                  hadronStatus_[i], hadronId_[i], 
                  hadronEtaMax_[i],hadronEtaMin_[i], 
                  hadronPMin_[i],
                  hadronPtMax_[i],hadronPtMin_[i]) ) foundHadron = true;
     }
      
       if( selectParticle(*it, 
              decayStatus_, decayId_, 
              decayEtaMax_,decayEtaMin_, 
              decayPMin_,
              decayPtMax_,decayPtMin_) ) foundtrig++;
       if(decayNtrig_ == foundtrig) foundDecay = true;
       
     ++it;
     }
   
   return (foundHadron && foundDecay);
 }

bool HadronDecayGenEvtSelector::selectParticle	(	HepMC::GenParticle *	par,
		int	status,
		int	pdg,
		double	etaMax,
		double	etaMin,
		double	pMin,
		double	ptMax,
		double	ptMin
	)

inline

Definition at line 14 of file HadronDecayGenEvtSelector.h.

References funct::abs(), and ALCARECOTkAlBeamHalo_cff::ptMin.

Referenced by filter().

                                                                                                                                           {
     return (par->status() == status &&
         abs(par->pdg_id()) == pdg &&
         par->momentum().eta() < etaMax && par->momentum().eta() > etaMin &&
         par->momentum().rho() > pMin &&
         par->momentum().perp() < ptMax && par->momentum().perp() > ptMin);
   }