Appends the initial state information to the event record. Is a concerete implementation of the EventRecordVisitorI interface. More...

#include <InitialStateAppender.h>

Inheritance diagram for genie::InitialStateAppender:

Public Member Functions
	InitialStateAppender ()

	InitialStateAppender (string config)

	~InitialStateAppender ()

void	ProcessEventRecord (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	AddNeutrino (GHepRecord *event_rec) const

void	AddNucleus (GHepRecord *event_rec) const

void	AddStruckParticle (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::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::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

Appends the initial state information to the event record. Is a concerete implementation of the EventRecordVisitorI interface.

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

October 04, 2004

Definition at line 26 of file InitialStateAppender.h.

Constructor & Destructor Documentation

InitialStateAppender::InitialStateAppender ( )

Definition at line 26 of file InitialStateAppender.cxx.

                                            :
 EventRecordVisitorI("genie::InitialStateAppender")
 {
 
 }

InitialStateAppender::InitialStateAppender ( string config )

Definition at line 32 of file InitialStateAppender.cxx.

                                                         :
 EventRecordVisitorI("genie::InitialStateAppender", config)
 {
 
 }

InitialStateAppender::~InitialStateAppender ( )

Definition at line 38 of file InitialStateAppender.cxx.

 {
 
 }

Member Function Documentation

void InitialStateAppender::AddNeutrino ( GHepRecord * event_rec ) const

private

Definition at line 66 of file InitialStateAppender.cxx.

 {
   Interaction * interaction = evrec->Summary();
   const InitialState & init_state = interaction->InitState();
 
   TLorentzVector * p4 = init_state.GetProbeP4(kRfLab);
   const TLorentzVector v4(0.,0.,0.,0.);
 
   int pdgc = init_state.ProbePdg();
 
   LOG("ISApp", pINFO) << "Adding neutrino [pdgc = " << pdgc << "]";
 
   evrec->AddParticle(pdgc,kIStInitialState, -1,-1,-1,-1, *p4, v4);
 
   delete p4;
 }

void InitialStateAppender::AddNucleus ( GHepRecord * event_rec ) const

private

Definition at line 83 of file InitialStateAppender.cxx.

 {
   Interaction * interaction = evrec->Summary();
   const InitialState & init_state = interaction->InitState();
   const ProcessInfo & proc_info   = interaction->ProcInfo();
 
   bool is_nucleus = init_state.Tgt().IsNucleus();
   if(!is_nucleus && !proc_info.IsGlashowResonance()) {
     LOG("ISApp", pINFO)
          << "Not an interaction with a nuclear target - no nucleus to add";
     return;
   }
   int    A    = init_state.Tgt().A();
   int    Z    = init_state.Tgt().Z();
   int    pdgc = pdg::IonPdgCode(A, Z);
   double M    = PDGLibrary::Instance()->Find(pdgc)->Mass();
 
   LOG("ISApp", pINFO)
           << "Adding nucleus [A = " << A << ", Z = " << Z
                                               << ", pdg = " << pdgc << "]";
 
   evrec->AddParticle(pdgc,kIStInitialState,-1,-1,-1,-1, 0,0,0,M, 0,0,0,0);
 }

void InitialStateAppender::AddStruckParticle ( GHepRecord * event_rec ) const

private

Definition at line 107 of file InitialStateAppender.cxx.

 {
   Interaction * interaction = evrec->Summary();
   const InitialState & init_state = interaction->InitState();
   const ProcessInfo & proc_info   = interaction->ProcInfo();
 
   // EDIT: Add the dark matter scattering off electron here
   bool hit_e = proc_info.IsInverseMuDecay()    ||
                proc_info.IsIMDAnnihilation()   ||
                proc_info.IsNuElectronElastic() ||
                proc_info.IsDarkMatterElectronElastic() ||
                proc_info.IsGlashowResonance();
 
   if(hit_e) {
     int    pdgc = kPdgElectron;
     double mass = PDGLibrary::Instance()->Find(pdgc)->Mass();
     const TLorentzVector p4(0,0,0, mass);
     const TLorentzVector v4(0.,0.,0.,0.);
 
     LOG("ISApp", pINFO) << "Adding struck electron";
     evrec->AddParticle(pdgc, kIStInitialState, 1, -1, -1, -1, p4, v4);
     return;
   }
 
   int pdgc = init_state.Tgt().HitNucPdg();
 
   if(pdgc != 0) {
 
     bool is_nucleus = init_state.Tgt().IsNucleus();
 
     GHepStatus_t ist   = (is_nucleus) ? kIStNucleonTarget : kIStInitialState;
     int          imom1 = (is_nucleus) ? 1 : -1;
     int          imom2 = -1;
 
     const TLorentzVector p4(init_state.Tgt().HitNucP4());
     const TLorentzVector v4(0.,0.,0.,0.);
 
     LOG("ISApp", pINFO)<< "Adding struck nucleon [pdgc = " << pdgc << "]";
 
     evrec->AddParticle(pdgc, ist, imom1, imom2, -1, -1, p4, v4);
 
   }//if struck nucleon was set
 }

void InitialStateAppender::ProcessEventRecord ( GHepRecord * event_rec ) const

virtual

Implements genie::EventRecordVisitorI.

Definition at line 43 of file InitialStateAppender.cxx.

 {
 // Adds the initial state particles at the event record (the order is
 // significant)
 
   LOG("ISApp", pINFO) << "Adding the initial state to the event record";
 
   //-- add the incoming neutrino to the event record
   this->AddNeutrino(evrec);
 
   //-- add the nuclear target at the event record (if any)
   this->AddNucleus(evrec);
 
   //-- add the struck nucleon to the event record (if any)
   //   It is added with status-code = 0 (init state) if the target was a
   //   free nucleon, or with a status-code = 11 (nucleon target) if the
   //   target was a nucleus.
   //   If the interaction was ve- elastic, inverse muon decay or Glashow
   //   resonance then it will add the target e- instead.
   this->AddStruckParticle(evrec);
   LOG("ISApp", pINFO) << *evrec;
 }

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

Generator/src/Physics/Common/InitialStateAppender.h
Generator/src/Physics/Common/InitialStateAppender.cxx

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation