#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 ()
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 ( ) [inline, virtual]

Definition at line 11 of file HadronDecayGenEvtSelector.h.

{;}

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().

{
  // 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 abs, and PtMinSelector_cfg::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);
  }