genie::IBDHadronicSystemGenerator Class Reference

Generates the final state hadronic system in v IBD interactions. Is a concrete implementation of the EventRecordVisitorI interface. More...

#include <IBDHadronicSystemGenerator.h>

Inheritance diagram for genie::IBDHadronicSystemGenerator:

Public Member Functions
	IBDHadronicSystemGenerator ()
	IBDHadronicSystemGenerator (string config)
virtual	~IBDHadronicSystemGenerator ()
void	ProcessEventRecord (GHepRecord *event_rec) const
Public Member Functions inherited from genie::HadronicSystemGenerator
void	AddTargetNucleusRemnant (GHepRecord *event_rec) const
void	AddFinalHadronicSyst (GHepRecord *event_rec) const
void	PreHadronTransportDecays (GHepRecord *event_rec) const
TLorentzVector	Hadronic4pLAB (GHepRecord *event_rec) const
TLorentzVector	MomentumTransferLAB (GHepRecord *event_rec) const
TVector3	HCM2LAB (GHepRecord *event_rec) const
int	HadronShowerCharge (GHepRecord *event_rec) const
int	ResonanceCharge (GHepRecord *event_rec) const
Public Member Functions inherited from genie::EventRecordVisitorI
virtual	~EventRecordVisitorI ()
Public Member Functions inherited from genie::Algorithm
virtual	~Algorithm ()
virtual void	Configure (const Registry &config)
virtual void	Configure (string config)
virtual void	FindConfig (void)
virtual const Registry &	GetConfig (void) const
Registry *	GetOwnedConfig (void)
virtual const AlgId &	Id (void) const
	Get algorithm ID. More...
virtual AlgStatus_t	GetStatus (void) const
	Get algorithm status. More...
virtual bool	AllowReconfig (void) const
virtual AlgCmp_t	Compare (const Algorithm *alg) const
	Compare with input algorithm. More...
virtual void	SetId (const AlgId &id)
	Set algorithm ID. More...
virtual void	SetId (string name, string config)
const Algorithm *	SubAlg (const RgKey &registry_key) const
void	AdoptConfig (void)
void	AdoptSubstructure (void)
virtual void	Print (ostream &stream) const
	Print algorithm info. More...

Private Member Functions
void	AddRecoilBaryon (GHepRecord *event_rec) const

Additional Inherited Members
Static Public Member Functions inherited from genie::Algorithm
static string	BuildParamVectKey (const std::string &comm_name, unsigned int i)
static string	BuildParamVectSizeKey (const std::string &comm_name)
Protected Member Functions inherited from genie::HadronicSystemGenerator
	HadronicSystemGenerator ()
	HadronicSystemGenerator (string name)
	HadronicSystemGenerator (string name, string config)
	~HadronicSystemGenerator ()
Protected Member Functions inherited from genie::EventRecordVisitorI
	EventRecordVisitorI ()
	EventRecordVisitorI (string name)
	EventRecordVisitorI (string name, string config)
Protected Member Functions inherited from genie::Algorithm
	Algorithm ()
	Algorithm (string name)
	Algorithm (string name, string config)
void	Initialize (void)
void	DeleteConfig (void)
void	DeleteSubstructure (void)
Registry *	ExtractLocalConfig (const Registry &in) const
Registry *	ExtractLowerConfig (const Registry &in, const string &alg_key) const
	Split an incoming configuration Registry into a block valid for the sub-algo identified by alg_key. More...
template<class T >
bool	GetParam (const RgKey &name, T &p, bool is_top_call=true) const
template<class T >
bool	GetParamDef (const RgKey &name, T &p, const T &def) const
template<class T >
int	GetParamVect (const std::string &comm_name, std::vector< T > &v, bool is_top_call=true) const
	Handle to load vectors of parameters. More...
int	GetParamVectKeys (const std::string &comm_name, std::vector< RgKey > &k, bool is_top_call=true) const
int	AddTopRegistry (Registry *rp, bool owns=true)
	add registry with top priority, also update ownership More...
int	AddLowRegistry (Registry *rp, bool owns=true)
	add registry with lowest priority, also update ownership More...
int	MergeTopRegistry (const Registry &r)
int	AddTopRegisties (const vector< Registry * > &rs, bool owns=false)
	Add registries with top priority, also udated Ownerships. More...
Protected Attributes inherited from genie::HadronicSystemGenerator
const EventRecordVisitorI *	fPreINukeDecayer
Protected Attributes inherited from genie::Algorithm
bool	fAllowReconfig
bool	fOwnsSubstruc
	true if it owns its substructure (sub-algs,...) More...
AlgId	fID
	algorithm name and configuration set More...
vector< Registry * >	fConfVect
vector< bool >	fOwnerships
	ownership for every registry in fConfVect More...
AlgStatus_t	fStatus
	algorithm execution status More...
AlgMap *	fOwnedSubAlgMp
	local pool for owned sub-algs (taken out of the factory pool) More...

Detailed Description

Generates the final state hadronic system in v IBD interactions. Is a concrete implementation of the EventRecordVisitorI interface.

Author

Corey Reed <cjreed nikhef.nl> - October 29, 2009 using code from the QELKinematicGenerator written by Costas Andreopoulos <constantinos.andreopoulos cern.ch> University of Liverpool & STFC Rutherford Appleton Laboratory

October 29, 2009

Copyright (c) 2003-2020, The GENIE Collaboration For the full text of the license visit http://copyright.genie-mc.org

Definition at line 29 of file IBDHadronicSystemGenerator.h.

Constructor & Destructor Documentation

IBDHadronicSystemGenerator::IBDHadronicSystemGenerator

(

)

Definition at line 29 of file IBDHadronicSystemGenerator.cxx.

                                                       :
HadronicSystemGenerator("genie::IBDHadronicSystemGenerator")
{

}

IBDHadronicSystemGenerator::IBDHadronicSystemGenerator

(

string

config

)

Definition at line 35 of file IBDHadronicSystemGenerator.cxx.

                                                                    :
HadronicSystemGenerator("genie::IBDHadronicSystemGenerator", config)
{

}

IBDHadronicSystemGenerator::~IBDHadronicSystemGenerator ( )

virtual

Definition at line 41 of file IBDHadronicSystemGenerator.cxx.

{

}

Member Function Documentation

void IBDHadronicSystemGenerator::AddRecoilBaryon ( GHepRecord *  event_rec ) const

private

Definition at line 57 of file IBDHadronicSystemGenerator.cxx.

{
  //-- Determine the pdg & status code of the recoil baryon
  Interaction * interaction = evrec->Summary();
  const int pdgc = interaction->RecoilNucleonPdg();
  assert(pdgc!=0);

  //-- Determine the status code
  const Target & tgt = interaction->InitState().Tgt();
  const GHepStatus_t ist = (tgt.IsNucleus()) ?
                          kIStHadronInTheNucleus : kIStStableFinalState;

  //-- Get the vtx position
  const GHepParticle * neutrino  = evrec->Probe();
  const TLorentzVector & vtx = *(neutrino->X4());

  //-- Get nucleon 4-momentum (in the LAB frame) & position
  const TLorentzVector p4 = this->Hadronic4pLAB(evrec);

  //-- Get mother position
  const int mom = evrec->HitNucleonPosition();

  //-- Add the final state recoil baryon at the EventRecord
  LOG("IBD", pINFO) 
      << "Adding recoil baryon [pdgc = " << pdgc << "]";

  GHepParticle p(pdgc, ist, mom,-1,-1,-1, p4, vtx);
  const double w = evrec->Particle(mom)->RemovalEnergy();
  p.SetRemovalEnergy(w);
  evrec->AddParticle(p);
}

void IBDHadronicSystemGenerator::ProcessEventRecord ( GHepRecord *  event_rec ) const

virtual

Implements genie::EventRecordVisitorI.

Definition at line 46 of file IBDHadronicSystemGenerator.cxx.

{
// This method generates the final state hadronic system

  // Add the recoil baryon 
  // (p or n)
  // Its 4-momentum is computed by requiring the energy + momentum to be
  // conserved.
  this->AddRecoilBaryon(evrec);
}

---

The documentation for this class was generated from the following files:

• Generator/src/Physics/InverseBetaDecay/EventGen/IBDHadronicSystemGenerator.h
• Generator/src/Physics/InverseBetaDecay/EventGen/IBDHadronicSystemGenerator.cxx