G4ParticleHPThermalScatteringData Class Reference

#include <G4ParticleHPThermalScatteringData.hh>

Inheritance diagram for G4ParticleHPThermalScatteringData:

Collaboration diagram for G4ParticleHPThermalScatteringData:

Public Member Functions
	G4ParticleHPThermalScatteringData ()
	~G4ParticleHPThermalScatteringData ()
G4bool	IsIsoApplicable (const G4DynamicParticle *, G4int, G4int, const G4Element *, const G4Material *)
G4double	GetIsoCrossSection (const G4DynamicParticle *, G4int, G4int, const G4Isotope *, const G4Element *, const G4Material *)
G4bool	IsApplicable (const G4DynamicParticle *, const G4Element *)
G4double	GetCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *)
G4double	GetInelasticCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *)
G4double	GetCoherentCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *)
G4double	GetIncoherentCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *)
void	BuildPhysicsTable (const G4ParticleDefinition &)
void	DumpPhysicsTable (const G4ParticleDefinition &)
void	AddUserThermalScatteringFile (G4String, G4String)
virtual void	CrossSectionDescription (std::ostream &) const
Public Member Functions inherited from G4VCrossSectionDataSet
	G4VCrossSectionDataSet (const G4String &nam="")
virtual	~G4VCrossSectionDataSet ()
virtual G4bool	IsElementApplicable (const G4DynamicParticle *, G4int Z, const G4Material *mat=0)
G4double	GetCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=0)
G4double	ComputeCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=0)
virtual G4double	GetElementCrossSection (const G4DynamicParticle *, G4int Z, const G4Material *mat=0)
virtual G4Isotope *	SelectIsotope (const G4Element *, G4double kinEnergy)
virtual G4int	GetVerboseLevel () const
virtual void	SetVerboseLevel (G4int value)
G4double	GetMinKinEnergy () const
void	SetMinKinEnergy (G4double value)
G4double	GetMaxKinEnergy () const
void	SetMaxKinEnergy (G4double value)
const G4String &	GetName () const

Additional Inherited Members
Protected Member Functions inherited from G4VCrossSectionDataSet
void	SetName (const G4String &)
Protected Attributes inherited from G4VCrossSectionDataSet
G4int	verboseLevel

Detailed Description

Definition at line 61 of file G4ParticleHPThermalScatteringData.hh.

Constructor & Destructor Documentation

G4ParticleHPThermalScatteringData::G4ParticleHPThermalScatteringData

(

)

Definition at line 56 of file G4ParticleHPThermalScatteringData.cc.

:G4VCrossSectionDataSet("NeutronHPThermalScatteringData")
,coherent(NULL)
,incoherent(NULL)
,inelastic(NULL)
{
// Upper limit of neutron energy 
   emax = 4*eV;
   SetMinKinEnergy( 0*MeV );                                   
   SetMaxKinEnergy( emax );                                   

   ke_cache = 0.0;
   xs_cache = 0.0;
   element_cache = NULL;
   material_cache = NULL;

   indexOfThermalElement.clear(); 

   names = new G4ParticleHPThermalScatteringNames();
}

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G4ParticleHPThermalScatteringData::~G4ParticleHPThermalScatteringData

(

)

Definition at line 77 of file G4ParticleHPThermalScatteringData.cc.

{

   clearCurrentXSData();

   delete names;
}

Member Function Documentation

void G4ParticleHPThermalScatteringData::AddUserThermalScatteringFile	(	G4String	nameG4Element,
		G4String	filename
	)

Definition at line 568 of file G4ParticleHPThermalScatteringData.cc.

{
   names->AddThermalElement( nameG4Element , filename );
}

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void G4ParticleHPThermalScatteringData::BuildPhysicsTable ( const G4ParticleDefinition &  aP )

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 215 of file G4ParticleHPThermalScatteringData.cc.

{

   if ( &aP != G4Neutron::Neutron() ) 
      throw G4HadronicException(__FILE__, __LINE__, "Attempt to use NeutronHP data for particles other than neutrons!!!");  

   //std::map < std::pair < G4Material* , const G4Element* > , G4int > dic;   
   //
   dic.clear();   
   if ( G4Threading::IsMasterThread() ) clearCurrentXSData();

   std::map < G4String , G4int > co_dic;   

   //Searching Nist Materials
   static G4ThreadLocal G4MaterialTable* theMaterialTable  = 0 ; if (!theMaterialTable) theMaterialTable= G4Material::GetMaterialTable();
   size_t numberOfMaterials = G4Material::GetNumberOfMaterials();
   for ( size_t i = 0 ; i < numberOfMaterials ; i++ )
   {
      G4Material* material = (*theMaterialTable)[i];
      size_t numberOfElements = material->GetNumberOfElements();
      for ( size_t j = 0 ; j < numberOfElements ; j++ )
      {
         const G4Element* element = material->GetElement(j);
         if ( names->IsThisThermalElement ( material->GetName() , element->GetName() ) )
         {                                    
            G4int ts_ID_of_this_geometry; 
            G4String ts_ndl_name = names->GetTS_NDL_Name( material->GetName() , element->GetName() ); 
            if ( co_dic.find ( ts_ndl_name ) != co_dic.end() )
            {
               ts_ID_of_this_geometry = co_dic.find ( ts_ndl_name ) -> second;
            }
            else
            {
               ts_ID_of_this_geometry = co_dic.size();
               co_dic.insert ( std::pair< G4String , G4int >( ts_ndl_name , ts_ID_of_this_geometry ) );
            }

            //G4cout << "Neutron HP Thermal Scattering Data : Registering a material-element pair of " 
            //       << material->GetName() << " " << element->GetName() 
            //       << " as internal thermal scattering id of  " <<  ts_ID_of_this_geometry << "." << G4endl;

            dic.insert( std::pair < std::pair < G4Material* , const G4Element* > , G4int > ( std::pair < G4Material* , const G4Element* > ( material , element ) , ts_ID_of_this_geometry ) );
         }
      }
   }

   //Searching TS Elements 
   static G4ThreadLocal G4ElementTable* theElementTable  = 0 ; if (!theElementTable) theElementTable= G4Element::GetElementTable();
   size_t numberOfElements = G4Element::GetNumberOfElements();
   //size_t numberOfThermalElements = 0; 
   for ( size_t i = 0 ; i < numberOfElements ; i++ )
   {
      const G4Element* element = (*theElementTable)[i];
      if ( names->IsThisThermalElement ( element->GetName() ) )
      {
         if ( names->IsThisThermalElement ( element->GetName() ) )
         {                                    
            G4int ts_ID_of_this_geometry; 
            G4String ts_ndl_name = names->GetTS_NDL_Name( element->GetName() ); 
            if ( co_dic.find ( ts_ndl_name ) != co_dic.end() )
            {
               ts_ID_of_this_geometry = co_dic.find ( ts_ndl_name ) -> second;
            }
            else
            {
               ts_ID_of_this_geometry = co_dic.size();
               co_dic.insert ( std::pair< G4String , G4int >( ts_ndl_name , ts_ID_of_this_geometry ) );
            }

            //G4cout << "Neutron HP Thermal Scattering: Registering an element of " 
            //       << material->GetName() << " " << element->GetName() 
            //       << " as internal thermal scattering id of  " <<  ts_ID_of_this_geometry << "." << G4endl;

            dic.insert( std::pair < std::pair < const G4Material* , const G4Element* > , G4int > ( std::pair < const G4Material* , const G4Element* > ( (G4Material*)NULL , element ) ,  ts_ID_of_this_geometry ) );
         }
      }
   }

   G4cout << G4endl;
   G4cout << "Neutron HP Thermal Scattering Data: Following material-element pairs and/or elements are registered." << G4endl;
   for ( std::map < std::pair < const G4Material* , const G4Element* > , G4int >::iterator it = dic.begin() ; it != dic.end() ; it++ )   
   {
      if ( it->first.first != NULL ) 
      {
         G4cout << "Material " << it->first.first->GetName() << " - Element " << it->first.second->GetName() << ",  internal thermal scattering id " << it->second << G4endl;
      }
      else
      {
         G4cout << "Element " << it->first.second->GetName() << ",  internal thermal scattering id " << it->second << G4endl;
      }
   }
   G4cout << G4endl;


   //G4cout << "Neutron HP Thermal Scattering Data: Following NDL thermal scattering files are assigned to the internal thermal scattering id." << G4endl;
   //for ( std::map < G4String , G4int >::iterator it = co_dic.begin() ; it != co_dic.end() ; it++ )  
   //{
   //   G4cout << "NDL file name " << it->first << ", internal thermal scattering id " << it->second << G4endl;
   //}

   G4ParticleHPManager* hpmanager = G4ParticleHPManager::GetInstance();

   coherent = hpmanager->GetThermalScatteringCoherentCrossSections();
   incoherent = hpmanager->GetThermalScatteringIncoherentCrossSections();
   inelastic = hpmanager->GetThermalScatteringInelasticCrossSections();

   if ( G4Threading::IsMasterThread() ) {

      if ( coherent == NULL ) coherent = new std::map< G4int , std::map< G4double , G4ParticleHPVector* >* >;
      if ( incoherent == NULL ) incoherent = new std::map< G4int , std::map< G4double , G4ParticleHPVector* >* >;
      if ( inelastic == NULL ) inelastic = new std::map< G4int , std::map< G4double , G4ParticleHPVector* >* >;


      // Read Cross Section Data files

      G4String dirName;
      if ( !getenv( "G4NEUTRONHPDATA" ) ) 
         throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
      G4String baseName = getenv( "G4NEUTRONHPDATA" );

      dirName = baseName + "/ThermalScattering";

      G4String ndl_filename;
      G4String full_name;

      for ( std::map < G4String , G4int >::iterator it = co_dic.begin() ; it != co_dic.end() ; it++ )  
      {

         ndl_filename = it->first;
         G4int ts_ID = it->second;

         // Coherent
         full_name = dirName + "/Coherent/CrossSection/" + ndl_filename; 
         std::map< G4double , G4ParticleHPVector* >*  coh_amapTemp_EnergyCross = readData( full_name );
         coherent->insert ( std::pair < G4int , std::map< G4double , G4ParticleHPVector* >* > ( ts_ID , coh_amapTemp_EnergyCross ) );

         // Incoherent
         full_name = dirName + "/Incoherent/CrossSection/" + ndl_filename; 
         std::map< G4double , G4ParticleHPVector* >*  incoh_amapTemp_EnergyCross = readData( full_name );
         incoherent->insert ( std::pair < G4int , std::map< G4double , G4ParticleHPVector* >* > ( ts_ID , incoh_amapTemp_EnergyCross ) );

         // Inelastic
         full_name = dirName + "/Inelastic/CrossSection/" + ndl_filename; 
         std::map< G4double , G4ParticleHPVector* >*  inela_amapTemp_EnergyCross = readData( full_name );
         inelastic->insert ( std::pair < G4int , std::map< G4double , G4ParticleHPVector* >* > ( ts_ID , inela_amapTemp_EnergyCross ) );

      }
      hpmanager->RegisterThermalScatteringCoherentCrossSections( coherent );
      hpmanager->RegisterThermalScatteringIncoherentCrossSections( incoherent );
      hpmanager->RegisterThermalScatteringInelasticCrossSections( inelastic );
   } 
}

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void G4ParticleHPThermalScatteringData::CrossSectionDescription ( std::ostream &  outFile ) const

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 572 of file G4ParticleHPThermalScatteringData.cc.

{
    outFile << "High Precision cross data based on thermal scattering data in evaluated nuclear data libraries for neutrons below 5eV on specific materials\n" ;
}

void G4ParticleHPThermalScatteringData::DumpPhysicsTable ( const G4ParticleDefinition &  aP )

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 401 of file G4ParticleHPThermalScatteringData.cc.

{
   if( &aP != G4Neutron::Neutron() ) 
     throw G4HadronicException(__FILE__, __LINE__, "Attempt to use NeutronHP data for particles other than neutrons!!!");  
//  G4cout << "G4ParticleHPThermalScatteringData::DumpPhysicsTable still to be implemented"<<G4endl;
}

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G4double G4ParticleHPThermalScatteringData::GetCoherentCrossSection	(	const G4DynamicParticle *	aP,
		const G4Element *	anE,
		const G4Material *	aM
	)

Definition at line 481 of file G4ParticleHPThermalScatteringData.cc.

{
   G4double result = 0;
   G4int ts_id = getTS_ID( aM , anE );
   G4double aT = aM->GetTemperature();
   result = GetX ( aP , aT , coherent->find( ts_id )->second );
   return result;
}

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G4double G4ParticleHPThermalScatteringData::GetCrossSection	(	const G4DynamicParticle *	aP,
		const G4Element *	anE,
		const G4Material *	aM
	)

Definition at line 450 of file G4ParticleHPThermalScatteringData.cc.

{
   G4double result = 0;
   
   G4int ts_id =getTS_ID( aM , anE );

   if ( ts_id == -1 ) return result;

   G4double aT = aM->GetTemperature();

   G4double Xcoh = GetX ( aP , aT , coherent->find(ts_id)->second );
   G4double Xincoh = GetX ( aP , aT , incoherent->find(ts_id)->second );
   G4double Xinela = GetX ( aP , aT , inelastic->find(ts_id)->second );

   result = Xcoh + Xincoh + Xinela;

   //G4cout << "G4ParticleHPThermalScatteringData::GetCrossSection  Tot= " << result/barn << " Coherent= " << Xcoh/barn << " Incoherent= " << Xincoh/barn << " Inelastic= " << Xinela/barn << G4endl;

   return result;
}

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G4double G4ParticleHPThermalScatteringData::GetIncoherentCrossSection	(	const G4DynamicParticle *	aP,
		const G4Element *	anE,
		const G4Material *	aM
	)

Definition at line 490 of file G4ParticleHPThermalScatteringData.cc.

{
   G4double result = 0;
   G4int ts_id = getTS_ID( aM , anE );
   G4double aT = aM->GetTemperature();
   result = GetX ( aP , aT , incoherent->find( ts_id )->second );
   return result;
}

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G4double G4ParticleHPThermalScatteringData::GetInelasticCrossSection	(	const G4DynamicParticle *	aP,
		const G4Element *	anE,
		const G4Material *	aM
	)

Definition at line 472 of file G4ParticleHPThermalScatteringData.cc.

{
   G4double result = 0;
   G4int ts_id = getTS_ID( aM , anE );
   G4double aT = aM->GetTemperature();
   result = GetX ( aP , aT , inelastic->find( ts_id )->second );
   return result;
}

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G4double G4ParticleHPThermalScatteringData::GetIsoCrossSection ( const G4DynamicParticle *  dp, G4int  , G4int  , const G4Isotope *  , const G4Element *  element, const G4Material *  material  )

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 110 of file G4ParticleHPThermalScatteringData.cc.

{
   //if ( dp->GetKineticEnergy() == ke_cache && element == element_cache &&  material == material_cache ) return xs_cache;

   ke_cache = dp->GetKineticEnergy();
   element_cache = element;
   material_cache = material;
   //G4double xs = GetCrossSection( dp , element , material->GetTemperature() );
   G4double xs = GetCrossSection( dp , element , material );
   xs_cache = xs;
   return xs;
   //return GetCrossSection( dp , element , material->GetTemperature() );
}

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G4bool G4ParticleHPThermalScatteringData::IsApplicable	(	const G4DynamicParticle *	aP,
		const G4Element *	anEle
	)

Definition at line 182 of file G4ParticleHPThermalScatteringData.cc.

{
   G4bool result = false;

   G4double eKin = aP->GetKineticEnergy();
   // Check energy 
   if ( eKin < emax )
   {
      // Check Particle Species
      if ( aP->GetDefinition() == G4Neutron::Neutron() ) 
      {
        // anEle is one of Thermal elements 
         G4int ie = (G4int) anEle->GetIndex();
         std::vector < G4int >::iterator it; 
         for ( it = indexOfThermalElement.begin() ; it != indexOfThermalElement.end() ; it++ )
         {
             if ( ie == *it ) return true;
         }
      }
   }

/*
   if ( names->IsThisThermalElement ( anEle->GetName() ) )
   {
      // Check energy and projectile species 
      G4double eKin = aP->GetKineticEnergy();
      if ( eKin < emax && aP->GetDefinition() == G4Neutron::Neutron() ) result = true; 
   }
*/
   return result;
}

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G4bool G4ParticleHPThermalScatteringData::IsIsoApplicable ( const G4DynamicParticle *  dp, G4int  , G4int  , const G4Element *  element, const G4Material *  material  )

virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 85 of file G4ParticleHPThermalScatteringData.cc.

{
   G4double eKin = dp->GetKineticEnergy();
   if ( eKin > 4.0*eV //GetMaxKinEnergy() 
     || eKin < 0 //GetMinKinEnergy() 
     || dp->GetDefinition() != G4Neutron::Neutron() ) return false;                                   

   if ( dic.find( std::pair < const G4Material* , const G4Element* > ( (G4Material*)NULL , element ) ) != dic.end() 
     || dic.find( std::pair < const G4Material* , const G4Element* > ( material , element ) ) != dic.end() ) return true;

   return false;

//   return IsApplicable( dp , element );
/*
   G4double eKin = dp->GetKineticEnergy();
   if ( eKin > 4.0*eV //GetMaxKinEnergy() 
     || eKin < 0 //GetMinKinEnergy() 
     || dp->GetDefinition() != G4Neutron::Neutron() ) return false;                                   
   return true;
*/
}

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---

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

• geant4.10.03.p01/source/processes/hadronic/models/particle_hp/include/G4ParticleHPThermalScatteringData.hh
• geant4.10.03.p01/source/processes/hadronic/models/particle_hp/src/G4ParticleHPThermalScatteringData.cc