G4NeutronHPChannelList Class Reference

#include <G4NeutronHPChannelList.hh>

Public Member Functions
	G4NeutronHPChannelList (G4int n)
	G4NeutronHPChannelList ()
void	Init (G4int n)
	~G4NeutronHPChannelList ()
G4HadFinalState *	ApplyYourself (const G4Element *theElement, const G4HadProjectile &aTrack)
void	Init (G4Element *anElement, const G4String &dirName)
void	Register (G4NeutronHPFinalState *theFS, const G4String &aName)
G4double	GetXsec (G4double anEnergy)
G4int	GetNumberOfChannels ()
G4bool	HasDataInAnyFinalState ()
void	RestartRegistration ()

Detailed Description

Definition at line 44 of file G4NeutronHPChannelList.hh.

Constructor & Destructor Documentation

G4NeutronHPChannelList::G4NeutronHPChannelList

(

G4int

n

)

Definition at line 41 of file G4NeutronHPChannelList.cc.

References n.

  { 
    nChannels = n;
    theChannels  = new G4NeutronHPChannel * [n];
    allChannelsCreated = false;
    theInitCount = 0;
  }

G4NeutronHPChannelList::G4NeutronHPChannelList

(

)

Definition at line 49 of file G4NeutronHPChannelList.cc.

  {
    nChannels = 0;
    theChannels = 0;
    allChannelsCreated = false;
    theInitCount = 0;
  }

G4NeutronHPChannelList::~G4NeutronHPChannelList

(

)

Definition at line 57 of file G4NeutronHPChannelList.cc.

  {
    if(theChannels!=0)
    {
      for(G4int i=0;i<nChannels; i++)
      {
        delete theChannels[i];
      }
      delete [] theChannels;
    }
  }

Member Function Documentation

G4HadFinalState * G4NeutronHPChannelList::ApplyYourself	(	const G4Element *	theElement,
		const G4HadProjectile &	aTrack
	)

Definition at line 71 of file G4NeutronHPChannelList.cc.

References G4HadFinalState::AddSecondary(), G4NeutronHPChannel::ApplyYourself(), G4HadFinalState::Clear(), G4cout, G4endl, G4UniformRand, G4HadProjectile::Get4Momentum(), G4NeutronHPChannel::GetFSCrossSection(), G4NeutronHPManager::GetInstance(), G4IonTable::GetIon(), G4IonTable::GetIonTable(), G4HadProjectile::GetKineticEnergy(), G4HadProjectile::GetMaterial(), G4NeutronHPChannel::GetN(), G4NeutronHPChannel::GetNiso(), G4NeutronHPManager::GetReactionWhiteBoard(), G4Material::GetTemperature(), G4NeutronHPThermalBoost::GetThermalEnergy(), G4NeutronHPChannel::GetWeightedXsec(), G4NeutronHPChannel::GetZ(), G4HadFinalState::SetEnergyChange(), G4HadFinalState::SetMomentumChange(), G4NeutronHPReactionWhiteBoard::SetTargA(), G4NeutronHPReactionWhiteBoard::SetTargZ(), and CLHEP::HepLorentzVector::vect().

  {
    G4NeutronHPThermalBoost aThermalE;
    G4int i, ii;
    // decide on the isotope
    G4int numberOfIsos(0);
    for(ii=0; ii<nChannels; ii++)
    {
      numberOfIsos = theChannels[ii]->GetNiso();
      if(numberOfIsos!=0) break;
    }
    G4double * running= new G4double [numberOfIsos];
    running[0] = 0;
    for(i=0;i<numberOfIsos; i++)
    {
      if(i!=0) running[i] = running[i-1];
      for(ii=0; ii<nChannels; ii++)
      {
    if(theChannels[ii]->HasAnyData(i))
    {
          running[i] +=theChannels[ii]->GetWeightedXsec(aThermalE.GetThermalEnergy(aTrack,
                                                          theChannels[ii]->GetN(i),
                                  theChannels[ii]->GetZ(i),
                                  aTrack.GetMaterial()->GetTemperature()),
                                    i);
    }
      }
    }
    G4int isotope=nChannels-1;
    G4double random=G4UniformRand();
    for(i=0;i<numberOfIsos; i++)
    {
      isotope = i;
      //if(random<running[i]/running[numberOfIsos-1]) break;
      if(running[numberOfIsos-1] != 0) if(random<running[i]/running[numberOfIsos-1]) break;
    }
    delete [] running;
    
    // decide on the channel
    running = new G4double[nChannels];
    running[0]=0;
    G4int targA=-1; // For production of unChanged
    G4int targZ=-1;
    for(i=0; i<nChannels; i++)
    {
      if(i!=0) running[i] = running[i-1];
      if(theChannels[i]->HasAnyData(isotope))
      {
        running[i] += theChannels[i]->GetFSCrossSection(aThermalE.GetThermalEnergy(aTrack,
                                                          theChannels[i]->GetN(isotope),
                                  theChannels[i]->GetZ(isotope),
                                  aTrack.GetMaterial()->GetTemperature()),
                                    isotope);
        targA=(G4int)theChannels[i]->GetN(isotope); //Will be simply used the last valid value
        targZ=(G4int)theChannels[i]->GetZ(isotope);
      }
    }

    //TK120607
    if ( running[nChannels-1] == 0 )
    {
       //This happened usually by the miss match between the cross section data and model
       if ( targA == -1 && targZ == -1 ) {
          throw G4HadronicException(__FILE__, __LINE__, "NeutronHP model encounter lethal discrepancy with cross section data");
       }

       //TK121106
       G4cout << "Warning from NeutronHP: could not find proper reaction channel. This may cause by inconsistency between cross section and model.  Unchanged final states are returned." << G4endl;
       unChanged.Clear();

       //For Ep Check create unchanged final state including rest target 
       G4ParticleDefinition* targ_pd = G4IonTable::GetIonTable()->GetIon ( targZ , targA , 0.0 );
       G4DynamicParticle* targ_dp = new G4DynamicParticle( targ_pd , G4ThreeVector(1,0,0), 0.0 );
       unChanged.SetEnergyChange(aTrack.GetKineticEnergy());
       unChanged.SetMomentumChange(aTrack.Get4Momentum().vect() );
       unChanged.AddSecondary(targ_dp);
       //TK121106
       G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->SetTargA( targA ); 
       G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->SetTargZ( targZ ); 
       return &unChanged;
    }
    //TK120607


    G4int lChan=0;
    random=G4UniformRand();
    for(i=0; i<nChannels; i++)
    {
      lChan = i;
      if(running[nChannels-1] != 0) if(random<running[i]/running[nChannels-1]) break;
    }
    delete [] running;
    return theChannels[lChan]->ApplyYourself(aTrack, isotope);
  }

G4int G4NeutronHPChannelList::GetNumberOfChannels ( )

inline

Definition at line 74 of file G4NeutronHPChannelList.hh.

{ return nChannels; }

G4double G4NeutronHPChannelList::GetXsec ( G4double  anEnergy )

inline

Definition at line 63 of file G4NeutronHPChannelList.hh.

References G4INCL::Math::max().

  {
    G4double result=0;
    G4int i;
    for(i=0; i<nChannels; i++)
    {
      result+=std::max(0., theChannels[i]->GetXsec(anEnergy));
    }
    return result;
  }

G4bool G4NeutronHPChannelList::HasDataInAnyFinalState ( )

inline

Definition at line 76 of file G4NeutronHPChannelList.hh.

  {
    G4bool result = false;
    G4int i;
    for(i=0; i<nChannels; i++)
    {
      if(theChannels[i]->HasDataInAnyFinalState()) result = true;
    }
    return result;
  }

void G4NeutronHPChannelList::Init

(

G4int

n

)

void G4NeutronHPChannelList::Init	(	G4Element *	anElement,
		const G4String &	dirName
	)

Definition at line 166 of file G4NeutronHPChannelList.cc.

  {
    theDir = dirName;
//    G4cout << theDir << G4endl;
    theElement = anElement;
//    G4cout << theElement << G4endl;
    ;
  }

void G4NeutronHPChannelList::Register	(	G4NeutronHPFinalState *	theFS,
		const G4String &	aName
	)

Definition at line 175 of file G4NeutronHPChannelList.cc.

References G4NeutronHPChannel::Init(), and G4NeutronHPChannel::Register().

  {
    if(!allChannelsCreated)
    {
      if(nChannels!=0)
      {
    G4NeutronHPChannel ** theBuffer = new G4NeutronHPChannel * [nChannels+1];
    G4int i;
    for(i=0; i<nChannels; i++)
    {
      theBuffer[i] = theChannels[i];
    }
    delete [] theChannels;
    theChannels = theBuffer;
      }
      else
      {
    theChannels = new G4NeutronHPChannel * [nChannels+1];
      }
      G4String name;
      name = aName+"/";
      theChannels[nChannels] = new G4NeutronHPChannel;
      theChannels[nChannels]->Init(theElement, theDir, name);
      nChannels++;
    }
    
    //110527TKDB  Unnessary codes, Detected by gcc4.6 compiler 
    //G4bool result;
    //result = theChannels[theInitCount]->Register(theFS);
    theChannels[theInitCount]->Register(theFS);
    theInitCount++; 
  }

void G4NeutronHPChannelList::RestartRegistration ( )

inline

Definition at line 86 of file G4NeutronHPChannelList.hh.

  {
    allChannelsCreated = true;
    theInitCount = 0;
  }

---

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

• G4NeutronHPChannelList.hh
• G4NeutronHPChannelList.cc