G4LENDModel Class Reference

#include <G4LENDModel.hh>

Inheritance diagram for G4LENDModel:

Collaboration diagram for G4LENDModel:

Public Member Functions
	G4LENDModel (G4String name="LENDModel")
	~G4LENDModel ()
virtual G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus)
void	ChangeDefaultEvaluation (G4String name)
void	AllowNaturalAbundanceTarget ()
void	AllowAnyCandidateTarget ()
void	BuildPhysicsTable (const G4ParticleDefinition &)
Public Member Functions inherited from G4HadronicInteraction
	G4HadronicInteraction (const G4String &modelName="HadronicModel")
virtual	~G4HadronicInteraction ()
virtual G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)
virtual G4bool	IsApplicable (const G4HadProjectile &, G4Nucleus &)
G4double	GetMinEnergy () const
G4double	GetMinEnergy (const G4Material *aMaterial, const G4Element *anElement) const
void	SetMinEnergy (G4double anEnergy)
void	SetMinEnergy (G4double anEnergy, const G4Element *anElement)
void	SetMinEnergy (G4double anEnergy, const G4Material *aMaterial)
G4double	GetMaxEnergy () const
G4double	GetMaxEnergy (const G4Material *aMaterial, const G4Element *anElement) const
void	SetMaxEnergy (const G4double anEnergy)
void	SetMaxEnergy (G4double anEnergy, const G4Element *anElement)
void	SetMaxEnergy (G4double anEnergy, const G4Material *aMaterial)
const G4HadronicInteraction *	GetMyPointer () const
virtual G4int	GetVerboseLevel () const
virtual void	SetVerboseLevel (G4int value)
const G4String &	GetModelName () const
void	DeActivateFor (const G4Material *aMaterial)
void	ActivateFor (const G4Material *aMaterial)
void	DeActivateFor (const G4Element *anElement)
void	ActivateFor (const G4Element *anElement)
G4bool	IsBlocked (const G4Material *aMaterial) const
G4bool	IsBlocked (const G4Element *anElement) const
void	SetRecoilEnergyThreshold (G4double val)
G4double	GetRecoilEnergyThreshold () const
G4bool	operator== (const G4HadronicInteraction &right) const
G4bool	operator!= (const G4HadronicInteraction &right) const
virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const
virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
virtual void	ModelDescription (std::ostream &outFile) const

Protected Member Functions
void	create_used_target_map ()
void	recreate_used_target_map ()
Protected Member Functions inherited from G4HadronicInteraction
void	SetModelName (const G4String &nam)
G4bool	IsBlocked () const
void	Block ()

Protected Attributes
G4ParticleDefinition *	proj
G4LENDManager *	lend_manager
std::map< G4int, G4LENDUsedTarget *>	usedTarget_map
Protected Attributes inherited from G4HadronicInteraction
G4HadFinalState	theParticleChange
G4int	verboseLevel
G4double	theMinEnergy
G4double	theMaxEnergy
G4bool	isBlocked

Private Attributes
G4String	default_evaluation
G4bool	allow_nat
G4bool	allow_any

Detailed Description

Definition at line 51 of file G4LENDModel.hh.

Constructor & Destructor Documentation

G4LENDModel()

G4LENDModel::G4LENDModel

(

G4String

name = "LENDModel"

)

Definition at line 47 of file G4LENDModel.cc.

:G4HadronicInteraction( name )
{

   proj = NULL; //will be set in an inherited class

   SetMinEnergy( 0.*eV );
   SetMaxEnergy( 20.*MeV );

   //default_evaluation = "endl99"; 
   //default_evaluation = "ENDF.B-VII.0";
   default_evaluation = "ENDF/BVII.1";

   allow_nat = false;
   allow_any = false;

   lend_manager = G4LENDManager::GetInstance();  

}

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~G4LENDModel()

G4LENDModel::~G4LENDModel

(

)

Definition at line 67 of file G4LENDModel.cc.

{
   for ( std::map< G4int , G4LENDUsedTarget* >::iterator 
         it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
   { 
      delete it->second;  
   }
}

Member Function Documentation

AllowAnyCandidateTarget()

void G4LENDModel::AllowAnyCandidateTarget ( )

inline

Definition at line 64 of file G4LENDModel.hh.

{ allow_any = true; recreate_used_target_map(); };

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AllowNaturalAbundanceTarget()

void G4LENDModel::AllowNaturalAbundanceTarget ( )

inline

Definition at line 63 of file G4LENDModel.hh.

{ allow_nat = true; recreate_used_target_map(); };

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ApplyYourself()

G4HadFinalState * G4LENDModel::ApplyYourself ( const G4HadProjectile &  aTrack, G4Nucleus &  aTargetNucleus  )

virtual

Implements G4HadronicInteraction.

Reimplemented in G4LENDInelastic, G4LENDFission, G4LENDCapture, and G4LENDElastic.

Definition at line 176 of file G4LENDModel.cc.

{

   G4double temp = aTrack.GetMaterial()->GetTemperature();

   //G4int iZ = int ( aTarg.GetZ() );
   //G4int iA = int ( aTarg.GetN() );
   //migrate to integer A and Z (GetN_asInt returns number of neutrons in the nucleus since this) 
   G4int iZ = aTarg.GetZ_asInt();
   G4int iA = aTarg.GetA_asInt();
   G4int iM = 0;
   if ( aTarg.GetIsotope() != NULL ) {
      iM = aTarg.GetIsotope()->Getm();
   }

   G4double ke = aTrack.GetKineticEnergy();

   G4HadFinalState* theResult = new G4HadFinalState();

   G4GIDI_target* aTarget = usedTarget_map.find( lend_manager->GetNucleusEncoding( iZ , iA , iM ) )->second->GetTarget();

   G4double aMu = aTarget->getElasticFinalState( ke*MeV, temp, NULL, NULL );

   G4double phi = twopi*G4UniformRand();
   G4double theta = std::acos( aMu );
   //G4double sinth = std::sin( theta );

   G4ReactionProduct theNeutron( aTrack.GetDefinition() );
   theNeutron.SetMomentum( aTrack.Get4Momentum().vect() );
   theNeutron.SetKineticEnergy( ke );

   G4ParticleDefinition* pd = G4IonTable::GetIonTable()->GetIon( iZ , iA , iM );
   G4ReactionProduct theTarget( pd );

   G4double mass = pd->GetPDGMass();

// add Thermal motion 
   G4double kT = k_Boltzmann*temp;
   G4ThreeVector v ( G4RandGauss::shoot() * std::sqrt( kT*mass ) 
                   , G4RandGauss::shoot() * std::sqrt( kT*mass ) 
                   , G4RandGauss::shoot() * std::sqrt( kT*mass ) );

   theTarget.SetMomentum( v );


     G4ThreeVector the3Neutron = theNeutron.GetMomentum();
     G4double nEnergy = theNeutron.GetTotalEnergy();
     G4ThreeVector the3Target = theTarget.GetMomentum();
     G4double tEnergy = theTarget.GetTotalEnergy();
     G4ReactionProduct theCMS;
     G4double totE = nEnergy+tEnergy;
     G4ThreeVector the3CMS = the3Target+the3Neutron;
     theCMS.SetMomentum(the3CMS);
     G4double cmsMom = std::sqrt(the3CMS*the3CMS);
     G4double sqrts = std::sqrt((totE-cmsMom)*(totE+cmsMom));
     theCMS.SetMass(sqrts);
     theCMS.SetTotalEnergy(totE);

       theNeutron.Lorentz(theNeutron, theCMS);
       theTarget.Lorentz(theTarget, theCMS);
       G4double en = theNeutron.GetTotalMomentum(); // already in CMS.
       G4ThreeVector cms3Mom=theNeutron.GetMomentum(); // for neutron direction in CMS
       G4double cms_theta=cms3Mom.theta();
       G4double cms_phi=cms3Mom.phi();
       G4ThreeVector tempVector;
       tempVector.setX(std::cos(theta)*std::sin(cms_theta)*std::cos(cms_phi)
                       +std::sin(theta)*std::cos(phi)*std::cos(cms_theta)*std::cos(cms_phi)
                       -std::sin(theta)*std::sin(phi)*std::sin(cms_phi)  );
       tempVector.setY(std::cos(theta)*std::sin(cms_theta)*std::sin(cms_phi)
                       +std::sin(theta)*std::cos(phi)*std::cos(cms_theta)*std::sin(cms_phi)
                       +std::sin(theta)*std::sin(phi)*std::cos(cms_phi)  );
       tempVector.setZ(std::cos(theta)*std::cos(cms_theta)
                       -std::sin(theta)*std::cos(phi)*std::sin(cms_theta)  );
       tempVector *= en;
       theNeutron.SetMomentum(tempVector);
       theTarget.SetMomentum(-tempVector);
       G4double tP = theTarget.GetTotalMomentum();
       G4double tM = theTarget.GetMass();
       theTarget.SetTotalEnergy(std::sqrt((tP+tM)*(tP+tM)-2.*tP*tM));
       theNeutron.Lorentz(theNeutron, -1.*theCMS);
       theTarget.Lorentz(theTarget, -1.*theCMS);

     theResult->SetEnergyChange(theNeutron.GetKineticEnergy());
     theResult->SetMomentumChange(theNeutron.GetMomentum().unit());
     G4DynamicParticle* theRecoil = new G4DynamicParticle;

     theRecoil->SetDefinition( G4IonTable::GetIonTable()->GetIon( iZ , iA , iM , iZ ) );
     theRecoil->SetMomentum( theTarget.GetMomentum() );

     theResult->AddSecondary( theRecoil );

   return theResult; 

}

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BuildPhysicsTable()

void G4LENDModel::BuildPhysicsTable ( const G4ParticleDefinition &  )

inlinevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 66 of file G4LENDModel.hh.

{ recreate_used_target_map(); };

ChangeDefaultEvaluation()

void G4LENDModel::ChangeDefaultEvaluation ( G4String  name )

inline

Definition at line 62 of file G4LENDModel.hh.

{ default_evaluation = name; recreate_used_target_map(); };

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create_used_target_map()

void G4LENDModel::create_used_target_map ( )

protected

Definition at line 93 of file G4LENDModel.cc.

{

   lend_manager->RequestChangeOfVerboseLevel( verboseLevel );

   size_t numberOfElements = G4Element::GetNumberOfElements();
   static const G4ElementTable* theElementTable = G4Element::GetElementTable();

   for ( size_t i = 0 ; i < numberOfElements ; ++i )
   {

      const G4Element* anElement = (*theElementTable)[i];
      G4int numberOfIsotope = anElement->GetNumberOfIsotopes(); 

      if ( numberOfIsotope > 0 )
      {
      // User Defined Abundances   
         for ( G4int i_iso = 0 ; i_iso < numberOfIsotope ; i_iso++ )
         {
            G4int iZ = anElement->GetIsotope( i_iso )->GetZ();
            G4int iA = anElement->GetIsotope( i_iso )->GetN();
            G4int iIsomer = anElement->GetIsotope( i_iso )->Getm();

            G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( proj , default_evaluation , iZ , iA );  
            if ( allow_nat == true ) aTarget->AllowNat();
            if ( allow_any == true ) aTarget->AllowAny();
            usedTarget_map.insert( std::pair< G4int , G4LENDUsedTarget* > ( lend_manager->GetNucleusEncoding( iZ , iA , iIsomer ) , aTarget ) );
         }
      }
      else
      {
      // Natural Abundances   
         G4NistElementBuilder* nistElementBuild = lend_manager->GetNistElementBuilder();
         G4int iZ = int ( anElement->GetZ() );
         //G4cout << nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) ) << G4endl;
         G4int numberOfNistIso = nistElementBuild->GetNumberOfNistIsotopes( int ( anElement->GetZ() ) ); 

         for ( G4int ii = 0 ; ii < numberOfNistIso ; ii++ )
         {
            //G4cout << nistElementBuild->GetIsotopeAbundance( iZ , nistElementBuild->GetNistFirstIsotopeN( iZ ) + i ) << G4endl;
            if ( nistElementBuild->GetIsotopeAbundance( iZ , nistElementBuild->GetNistFirstIsotopeN( iZ ) + ii ) > 0 )
            {
               G4int iMass = nistElementBuild->GetNistFirstIsotopeN( iZ ) + ii;  
               //G4cout << iZ << " " << nistElementBuild->GetNistFirstIsotopeN( iZ ) + i << " " << nistElementBuild->GetIsotopeAbundance ( iZ , iMass ) << G4endl;  
               G4int iIsomer = 0;

               G4LENDUsedTarget* aTarget = new G4LENDUsedTarget ( proj , default_evaluation , iZ , iMass );  
               if ( allow_nat == true ) aTarget->AllowNat();
               if ( allow_any == true ) aTarget->AllowAny();
               usedTarget_map.insert( std::pair< G4int , G4LENDUsedTarget* > ( lend_manager->GetNucleusEncoding( iZ , iMass , iIsomer ) , aTarget ) );

            }

         }

      }
   }



   G4cout << "Dump UsedTarget for " << GetModelName() << G4endl;
   //G4cout << "Requested Evaluation, Z , A -> Actual Evaluation, Z , A(0=Nat) , Pointer of Target" << G4endl;
   G4cout << "Requested Evaluation, Z , A -> Actual Evaluation, Z , A(0=Nat) " << G4endl;
   for ( std::map< G4int , G4LENDUsedTarget* >::iterator 
         it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
   {
      G4cout 
         << " " << it->second->GetWantedEvaluation() 
         << ", " << it->second->GetWantedZ() 
         << ", " << it->second->GetWantedA() 
         << " -> " << it->second->GetActualEvaluation() 
         << ", " << it->second->GetActualZ() 
         << ", " << it->second->GetActualA() 
         //<< ", " << it->second->GetTarget() 
         << G4endl; 
   } 

}

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recreate_used_target_map()

void G4LENDModel::recreate_used_target_map ( )

protected

Definition at line 77 of file G4LENDModel.cc.

{

   for ( std::map< G4int , G4LENDUsedTarget* >::iterator 
         it = usedTarget_map.begin() ; it != usedTarget_map.end() ; it ++ )
   { 
      delete it->second;  
   }
   usedTarget_map.clear();

   create_used_target_map();

}

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Member Data Documentation

allow_any

G4bool G4LENDModel::allow_any

private

Definition at line 72 of file G4LENDModel.hh.

allow_nat

G4bool G4LENDModel::allow_nat

private

Definition at line 71 of file G4LENDModel.hh.

default_evaluation

G4String G4LENDModel::default_evaluation

private

Definition at line 66 of file G4LENDModel.hh.

lend_manager

G4LENDManager* G4LENDModel::lend_manager

protected

Definition at line 80 of file G4LENDModel.hh.

proj

G4ParticleDefinition* G4LENDModel::proj

protected

Definition at line 79 of file G4LENDModel.hh.

usedTarget_map

std::map< G4int , G4LENDUsedTarget* > G4LENDModel::usedTarget_map

protected

Definition at line 81 of file G4LENDModel.hh.

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

• G4LENDModel.hh
• G4LENDModel.cc