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:

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. 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 QEL interactions. Is a concrete implementation of the EventRecordVisitorI interface.

Author: Costas Andreopoulos <constantinos.andreopoulos cern.ch> University of Liverpool & STFC Rutherford Appleton Laboratory

October 03, 2004

Definition at line 26 of file QELHadronicSystemGenerator.h.

Constructor & Destructor Documentation

QELHadronicSystemGenerator::QELHadronicSystemGenerator ( )

Definition at line 23 of file QELHadronicSystemGenerator.cxx.

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

QELHadronicSystemGenerator::QELHadronicSystemGenerator ( string config )

Definition at line 29 of file QELHadronicSystemGenerator.cxx.

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

QELHadronicSystemGenerator::~QELHadronicSystemGenerator ( )

Definition at line 35 of file QELHadronicSystemGenerator.cxx.

 {
 
 }

Member Function Documentation

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);
 }

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);
 }

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

Generator/src/Physics/QuasiElastic/EventGen/QELHadronicSystemGenerator.h
Generator/src/Physics/QuasiElastic/EventGen/QELHadronicSystemGenerator.cxx

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation