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

#include <QELHadronicSystemGenerator.h>

Inheritance diagram for genie::QELHadronicSystemGenerator:

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Collaboration diagram for genie::QELHadronicSystemGenerator:

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Public Member Functions
	QELHadronicSystemGenerator ()
	QELHadronicSystemGenerator (string config)
	~QELHadronicSystemGenerator ()
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.
virtual AlgStatus_t	GetStatus (void) const
	Get algorithm status.
virtual bool	AllowReconfig (void) const
virtual AlgCmp_t	Compare (const Algorithm *alg) const
	Compare with input algorithm.
virtual void	SetId (const AlgId &id)
	Set algorithm ID.
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.

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)
static string	BuildParamMatKey (const std::string &comm_name, unsigned int i, unsigned int j)
static string	BuildParamMatRowSizeKey (const std::string &comm_name)
static string	BuildParamMatColSizeKey (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.
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.
int	GetParamVectKeys (const std::string &comm_name, std::vector< RgKey > &k, bool is_top_call=true) const
template<class T>
int	GetParamMat (const std::string &comm_name, TMatrixT< T > &mat, bool is_top_call=true) const
	Handle to load matrix of parameters.
template<class T>
int	GetParamMatSym (const std::string &comm_name, TMatrixTSym< T > &mat, bool is_top_call=true) const
int	GetParamMatKeys (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
int	AddLowRegistry (Registry *rp, bool owns=true)
	add registry with lowest priority, also update ownership
int	MergeTopRegistry (const Registry &r)
int	AddTopRegisties (const vector< Registry * > &rs, bool owns=false)
	Add registries with top priority, also udated Ownerships.
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,...)
AlgId	fID
	algorithm name and configuration set
vector< Registry * >	fConfVect
vector< bool >	fOwnerships
	ownership for every registry in fConfVect
AlgStatus_t	fStatus
	algorithm execution status
AlgMap *	fOwnedSubAlgMp
	local pool for owned sub-algs (taken out of the factory pool)

Detailed Description

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

Author: Costas Andreopoulos <c.andreopoulos \at cern.ch> University of Liverpool

Created:\n October 03, 2004

License:\n Copyright (c) 2003-2025, The GENIE Collaboration: For the full text of the license visit http://copyright.genie-mc.org

Definition at line 26 of file QELHadronicSystemGenerator.h.

Constructor & Destructor Documentation

◆ QELHadronicSystemGenerator() [1/2]

QELHadronicSystemGenerator::QELHadronicSystemGenerator ( )

Definition at line 23 of file QELHadronicSystemGenerator.cxx.

                                                       :
HadronicSystemGenerator("genie::QELHadronicSystemGenerator")
{
 
}

References genie::HadronicSystemGenerator::HadronicSystemGenerator().

◆ QELHadronicSystemGenerator() [2/2]

QELHadronicSystemGenerator::QELHadronicSystemGenerator ( string config )

Definition at line 29 of file QELHadronicSystemGenerator.cxx.

                                                                    :
HadronicSystemGenerator("genie::QELHadronicSystemGenerator", config)
{
 
}

References genie::HadronicSystemGenerator::HadronicSystemGenerator().

◆ ~QELHadronicSystemGenerator()

QELHadronicSystemGenerator::~QELHadronicSystemGenerator ( )

Definition at line 35 of file QELHadronicSystemGenerator.cxx.

{
 
}

Member Function Documentation

◆ AddRecoilBaryon()

void QELHadronicSystemGenerator::AddRecoilBaryon ( GHepRecord * event_rec ) const

private

Definition at line 51 of file QELHadronicSystemGenerator.cxx.

{
  //-- Determine the pdg & status code of the recoil baryon
  Interaction * interaction = evrec->Summary();
  const XclsTag & xcls = interaction->ExclTag();
  int pdgc = 0;
  if     (xcls.IsCharmEvent())   { pdgc = xcls.CharmHadronPdg();           }
  else if(xcls.IsStrangeEvent()) { pdgc = xcls.StrangeHadronPdg();         }
  else                           { pdgc = interaction->RecoilNucleonPdg(); }
  assert(pdgc!=0);
 
  //-- Determine the status code
  const Target & tgt = interaction->InitState().Tgt();
  GHepStatus_t ist = (tgt.IsNucleus()) ?
                          kIStHadronInTheNucleus : kIStStableFinalState;
 
  //-- Get the vtx position
  GHepParticle * neutrino  = evrec->Probe();
  const TLorentzVector & vtx = *(neutrino->X4());
 
  //-- Get nucleon 4-momentum (in the LAB frame) & position
  TLorentzVector p4 = this->Hadronic4pLAB(evrec);
 
  //-- Get mother position
  int mom = evrec->HitNucleonPosition();
 
  //-- Add the final state recoil baryon at the EventRecord
  LOG("QELHadronicVtx", pINFO)
      << "Adding recoil baryon [pdgc = " << pdgc << "]";
 
  GHepParticle p(pdgc, ist, mom,-1,-1,-1, p4, vtx);
  double w = ( xcls.IsCharmEvent() || xcls.IsStrangeEvent()) ?
                  0. : evrec->Particle(mom)->RemovalEnergy();
 
  p.SetRemovalEnergy(w);
  evrec->AddParticle(p);
}

References genie::GHepRecord::AddParticle(), genie::XclsTag::CharmHadronPdg(), genie::Interaction::ExclTag(), genie::HadronicSystemGenerator::Hadronic4pLAB(), genie::GHepRecord::HitNucleonPosition(), genie::Interaction::InitState(), genie::XclsTag::IsCharmEvent(), genie::Target::IsNucleus(), genie::XclsTag::IsStrangeEvent(), genie::kIStHadronInTheNucleus, genie::kIStStableFinalState, LOG, genie::GHepRecord::Particle(), pINFO, genie::GHepRecord::Probe(), genie::Interaction::RecoilNucleonPdg(), genie::GHepParticle::RemovalEnergy(), genie::GHepParticle::SetRemovalEnergy(), genie::XclsTag::StrangeHadronPdg(), genie::GHepRecord::Summary(), genie::InitialState::Tgt(), and genie::GHepParticle::X4().

Referenced by ProcessEventRecord().

◆ ProcessEventRecord()

void QELHadronicSystemGenerator::ProcessEventRecord ( GHepRecord * event_rec ) const

virtual

Implements genie::EventRecordVisitorI.

Definition at line 40 of file QELHadronicSystemGenerator.cxx.

{
// This method generates the final state hadronic system
 
  // Add the recoil baryon
  // (p or n - Lambda_c+,Sigma_c+,Sigma_c++ in charm/QEL)
  // Its 4-momentum is computed by requiring the energy + momentum to be
  // conserved.
  this->AddRecoilBaryon(evrec);
}

References AddRecoilBaryon().

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

Public Member Functions

Private Member Functions

Additional Inherited Members