#include <INukeDeltaPropg.h>

Inheritance diagram for genie::INukeDeltaPropg:

Public Member Functions
	INukeDeltaPropg ()

	INukeDeltaPropg (string config)

	~INukeDeltaPropg ()

void	ProcessEventRecord (GHepRecord *event_rec) const

void	Configure (const Registry &config)

void	Configure (string config)

Public Member Functions inherited from genie::EventRecordVisitorI
virtual	~EventRecordVisitorI ()

Public Member Functions inherited from genie::Algorithm
virtual	~Algorithm ()

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	LoadConfig (void)

Private Attributes
double	fR0
	effective nuclear size param More...

double	fNR
	param multiplying the nuclear radius, determining how far to track hadrons beyond the "nuclear boundary" More...

double	fHadStep
	step size for intranuclear hadron transport More...

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

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

Oct 01, 2009

Definition at line 27 of file INukeDeltaPropg.h.

Constructor & Destructor Documentation

INukeDeltaPropg::INukeDeltaPropg ( )

Definition at line 36 of file INukeDeltaPropg.cxx.

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

INukeDeltaPropg::INukeDeltaPropg ( string config )

Definition at line 42 of file INukeDeltaPropg.cxx.

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

INukeDeltaPropg::~INukeDeltaPropg ( )

Definition at line 48 of file INukeDeltaPropg.cxx.

 {
 
 }

Member Function Documentation

void INukeDeltaPropg::Configure ( const Registry & config )

virtual

Configure the algorithm with an external registry The registry is merged with the top level registry if it is owned, Otherwise a copy of it is added with the highest priority

Reimplemented from genie::Algorithm.

Definition at line 158 of file INukeDeltaPropg.cxx.

 {
   Algorithm::Configure(config);
   this->LoadConfig();
 }

void INukeDeltaPropg::Configure ( string config )

virtual

Configure the algorithm from the AlgoConfigPool based on param_set string given in input An algorithm contains a vector of registries coming from different xml configuration files, which are loaded according a very precise prioriy This methods will load a number registries in order of priority: 1) "Tunable" parameter set from CommonParametes. This is loaded with the highest prioriry and it is designed to be used for tuning procedure Usage not expected from the user. 2) For every string defined in "CommonParame" the corresponding parameter set will be loaded from CommonParameter.xml 3) parameter set specified by the config string and defined in the xml file of the algorithm 4) if config is not "Default" also the Default parameter set from the same xml file will be loaded Effectively this avoids the repetion of a parameter when it is not changed in the requested configuration

Reimplemented from genie::Algorithm.

Definition at line 164 of file INukeDeltaPropg.cxx.

 {
   Algorithm::Configure(config);
   this->LoadConfig();
 }

void INukeDeltaPropg::LoadConfig ( void )

private

Definition at line 170 of file INukeDeltaPropg.cxx.

 {
 
   GetParam( "NUCL-R0", fR0 ) ;   //fm
   GetParam( "NUCL-NR", fNR ) ;
   GetParam( "INUKE-HadStep", fHadStep ) ;  //fm
 
 }

void INukeDeltaPropg::ProcessEventRecord ( GHepRecord * event_rec ) const

virtual

Implements genie::EventRecordVisitorI.

Definition at line 53 of file INukeDeltaPropg.cxx.

 {
   // Check that we have an interaction with a nuclear target. If not skip...
   GHepParticle * nucltgt = event->TargetNucleus();
   if (!nucltgt) {
     LOG("INukeDelta", pINFO)
        << "No nuclear target. Skipping....";
     return;
   }
   
   // mass number, nuclear radius, step size
   int A = nucltgt->A();
   double step_sz     = fHadStep;
   double nucl_radius = utils::nuclear::Radius(A,fR0);
   nucl_radius *= fNR; // track the particle further out
 
   RandomGen * rnd = RandomGen::Instance();
 
   // Loop over GHEP rescatter handled particles
   TObjArrayIter piter(event);
   GHepParticle * p = 0;
   int icurr = -1;
      
   while( (p = (GHepParticle *) piter.Next()) )
   {
     icurr++;
 
     // handle?     
     int pdgc = p->Pdg();
     bool delta = (pdgc == kPdgP33m1232_DeltaPP);
     if (!delta) return;
     GHepStatus_t ist = p->Status();
     bool in_nucleus = (ist == kIStHadronInTheNucleus);
     if (!in_nucleus) return;
      
     LOG("INukeDelta", pNOTICE)
         << " >> Stepping a " << p->Name()
         << " with kinetic E = " << p->KinE() << " GeV";
           
     // Rescatter a clone, not the original particle
     GHepParticle * sp = new GHepParticle(*p);
         
     // Set clone's mom to be the hadron that was cloned
     sp->SetFirstMother(icurr);
 
     // Start stepping particle out of the nucleus
     bool has_interacted = false;
     bool has_decayed    = false;
     while (1) {
 
       const TLorentzVector & p4 = *(sp->P4());
       const TLorentzVector & x4 = *(sp->X4());
 
       bool is_in = (x4.Vect().Mag() < nucl_radius + step_sz);
       if (!is_in) break;
 
       // step
       utils::intranuke::StepParticle(sp, step_sz, nucl_radius);
 
       // check whether it decayed at this step
       double Ldec =  0.; // calculate
       double ddec = -1. * Ldec * TMath::Log(rnd->RndFsi().Rndm()); 
       has_decayed = (ddec < step_sz);
       if(has_decayed) break;
 
       // check whether it interacted at this step
       double Lint = utils::intranuke::MeanFreePath_Delta(pdgc,x4,p4,A);
       double dint = -1. * Lint * TMath::Log(rnd->RndFsi().Rndm()); 
       has_interacted = (dint < step_sz);
       if(has_interacted) break;
 
     }//stepping
 
     if(has_decayed) {
        // the particle decays 
 
     }
     else
     if(has_interacted)  {
        // the particle interacts - simulate the hadronic interaction
        LOG("INukeDelta", pINFO)
           << "Particle has interacted at location:  "
           << sp->X4()->Vect().Mag() << " / nucl radius = " << nucl_radius;
 
        //
        // *** Temporary / Used in test mode only ***
        // For now, just change the Delta++ to a proton to prevent the 
        // Delta++ decay later on.
        // Causes energy and charge non-conservation
        //
        sp->SetPdgCode(kPdgProton);
        sp->SetStatus(kIStHadronInTheNucleus);
        event->AddParticle(*sp);
     }
     else {
        // the particle escapes the nucleus
        LOG("Intranuke", pNOTICE)
           << "*** Hadron escaped the nucleus! Done with it.";
       sp->SetStatus(kIStStableFinalState);
       event->AddParticle(*sp);
     }//decay? interacts? escapes?
 
   }//particle loop
 }

Member Data Documentation

double genie::INukeDeltaPropg::fHadStep

private

step size for intranuclear hadron transport

Definition at line 47 of file INukeDeltaPropg.h.

double genie::INukeDeltaPropg::fNR

private

param multiplying the nuclear radius, determining how far to track hadrons beyond the "nuclear boundary"

Definition at line 46 of file INukeDeltaPropg.h.

double genie::INukeDeltaPropg::fR0

private

effective nuclear size param

Definition at line 45 of file INukeDeltaPropg.h.

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

Generator/src/Physics/HadronTransport/INukeDeltaPropg.h
Generator/src/Physics/HadronTransport/INukeDeltaPropg.cxx

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation