G4ElasticHadrNucleusHE Class Reference

#include <G4ElasticHadrNucleusHE.hh>

Inheritance diagram for G4ElasticHadrNucleusHE:

Public Member Functions
	G4ElasticHadrNucleusHE (const G4String &name="hElasticGlauber")
	~G4ElasticHadrNucleusHE () override
G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A) override
void	InitialiseModel () override
void	ModelDescription (std::ostream &) const override
Public Member Functions inherited from G4HadronElastic
	G4HadronElastic (const G4String &name="hElasticLHEP")
	~G4HadronElastic () override
G4HadFinalState *	ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus) override
G4double	SampleInvariantT (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A) override
G4double	GetSlopeCof (const G4int pdg)
void	SetLowestEnergyLimit (G4double value)
G4double	LowestEnergyLimit () const
G4double	ComputeMomentumCMS (const G4ParticleDefinition *p, G4double plab, G4int Z, G4int A)
void	ModelDescription (std::ostream &) const override
Public Member Functions inherited from G4HadronicInteraction
	G4HadronicInteraction (const G4String &modelName="HadronicModel")
virtual	~G4HadronicInteraction ()
virtual G4bool	IsApplicable (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus)
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)
G4int	GetVerboseLevel () const
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
virtual const std::pair< G4double, G4double >	GetFatalEnergyCheckLevels () const
virtual std::pair< G4double, G4double >	GetEnergyMomentumCheckLevels () const
void	SetEnergyMomentumCheckLevels (G4double relativeLevel, G4double absoluteLevel)
virtual void	BuildPhysicsTable (const G4ParticleDefinition &)
	G4HadronicInteraction (const G4HadronicInteraction &right)=delete
const G4HadronicInteraction &	operator= (const G4HadronicInteraction &right)=delete
G4bool	operator== (const G4HadronicInteraction &right) const =delete
G4bool	operator!= (const G4HadronicInteraction &right) const =delete

Additional Inherited Members
Protected Member Functions inherited from G4HadronicInteraction
void	SetModelName (const G4String &nam)
G4bool	IsBlocked () const
void	Block ()
Protected Attributes inherited from G4HadronElastic
G4double	pLocalTmax
G4int	secID
Protected Attributes inherited from G4HadronicInteraction
G4HadFinalState	theParticleChange
G4int	verboseLevel
G4double	theMinEnergy
G4double	theMaxEnergy
G4bool	isBlocked

Detailed Description

Definition at line 94 of file G4ElasticHadrNucleusHE.hh.

Constructor & Destructor Documentation

G4ElasticHadrNucleusHE()

G4ElasticHadrNucleusHE::G4ElasticHadrNucleusHE ( const G4String & name = "hElasticGlauber" )

explicit

Definition at line 244 of file G4ElasticHadrNucleusHE.cc.

  : G4HadronElastic(name), fDirectory(nullptr), isMaster(false)
{
  dQ2 = hMass = hMass2 = hLabMomentum = hLabMomentum2 = HadrEnergy 
    = R1 = R2 = Pnucl = Aeff = HadrTot = HadrSlope = HadrReIm = TotP = DDSect2
    = DDSect3 = ConstU = Slope1 = Slope2 = Coeff1 = Coeff2
    = Slope0 = Coeff0 = aAIm = aDIm = Dtot11 = Q2max = 0.0;
  iHadrCode = iHadron = iHadron1 = 0;
 
  verboseLevel = 0;
  ekinLowLimit = 400.0*CLHEP::MeV;
 
  BoundaryP[0]=9.0; BoundaryTG[0]=5.0;BoundaryTL[0]=0.;
  BoundaryP[1]=20.0;BoundaryTG[1]=1.5;BoundaryTL[1]=0.;
  BoundaryP[2]=5.0; BoundaryTG[2]=1.0;BoundaryTL[2]=1.5;
  BoundaryP[3]=8.0; BoundaryTG[3]=3.0;BoundaryTL[3]=0.;
  BoundaryP[4]=7.0; BoundaryTG[4]=3.0;BoundaryTL[4]=0.;
  BoundaryP[5]=5.0; BoundaryTG[5]=2.0;BoundaryTL[5]=0.;
  BoundaryP[6]=5.0; BoundaryTG[6]=1.5;BoundaryTL[6]=3.0;
 
  nistManager = G4NistManager::Instance();
 
  if(fEnergy[0] == 0.0) {
#ifdef G4MULTITHREADED
    G4MUTEXLOCK(&elasticMutex);
    if(fEnergy[0] == 0.0) {
#endif
      isMaster = true;
      Binom();
      // energy in GeV
      fEnergy[0] = 0.4;
      fEnergy[1] = 0.6;
      fEnergy[2] = 0.8;
      fEnergy[3] = 1.0;
      fLowEdgeEnergy[0] = 0.0;
      fLowEdgeEnergy[1] = 0.5;
      fLowEdgeEnergy[2] = 0.7;
      fLowEdgeEnergy[3] = 0.9;
      G4double f = G4Exp(G4Log(10.)*0.1);
      G4double e = f*f;
      for(G4int i=4; i<NENERGY; ++i) {
    fEnergy[i] = e;
    fLowEdgeEnergy[i] = e/f;
    e *= f*f;
      }
      if(verboseLevel > 0) {
    G4cout << "### G4ElasticHadrNucleusHE: energy points in GeV" << G4endl;
    for(G4int i=0; i<NENERGY; ++i) {
      G4cout << "  " << i << "   " << fLowEdgeEnergy[i] 
         << "  " << fEnergy[i] << G4endl;
    }
      }
#ifdef G4MULTITHREADED
    }
    G4MUTEXUNLOCK(&elasticMutex);
#endif
  }
}

~G4ElasticHadrNucleusHE()

G4ElasticHadrNucleusHE::~G4ElasticHadrNucleusHE ( )

override

Definition at line 315 of file G4ElasticHadrNucleusHE.cc.

{
  if(isMaster) {
    for(G4int j = 0; j < NHADRONS; ++j) {
      for(G4int k = 0; k < ZMAX; ++k) {
    G4ElasticData* ptr = fElasticData[j][k]; 
    if(ptr) { 
      delete ptr;
      fElasticData[j][k] = nullptr;
      for(G4int l = j+1; l < NHADRONS; ++l) {
        if(ptr == fElasticData[l][k]) { fElasticData[l][k] = nullptr; }
      }
    }
      }
    }
    delete fDirectory;
    fDirectory = nullptr;
  }
}

Member Function Documentation

InitialiseModel()

void G4ElasticHadrNucleusHE::InitialiseModel ( )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 337 of file G4ElasticHadrNucleusHE.cc.

{
  if(!isMaster) { return; }
  G4ProductionCutsTable* theCoupleTable=
    G4ProductionCutsTable::GetProductionCutsTable();
  G4int numOfCouples = (G4int)theCoupleTable->GetTableSize();
  
  for(G4int i=0; i<2; ++i) {
    const G4ParticleDefinition* p = G4PionPlus::PionPlus();
    if(1 == i) { p = G4PionMinus::PionMinus(); } 
    iHadrCode = fHadronCode[i]; 
    iHadron   = fHadronType[i];
    iHadron1  = fHadronType1[i];
    hMass     = p->GetPDGMass()*invGeV;
    hMass2    = hMass*hMass;
    for(G4int j=0; j<numOfCouples; ++j) {
      auto mat = theCoupleTable->GetMaterialCutsCouple(j)->GetMaterial();
      auto elmVec = mat->GetElementVector();
      std::size_t numOfElem = mat->GetNumberOfElements();
      for(std::size_t k=0; k<numOfElem; ++k) {
        G4int Z = std::min((*elmVec)[k]->GetZasInt(), ZMAX-1);
        if(!fElasticData[i][Z]) { 
          if(1 == i && Z > 1) { 
            fElasticData[1][Z] = fElasticData[0][Z]; 
          } else {
            FillData(p, i, Z);
          } 
        }
      }
    }
  }
}

ModelDescription()

void G4ElasticHadrNucleusHE::ModelDescription ( std::ostream & outFile ) const

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 305 of file G4ElasticHadrNucleusHE.cc.

{
  outFile << "G4ElasticHadrNucleusHE is a hadron-nucleus elastic scattering\n"
      << "model developed by N. Starkov which uses a Glauber model\n"
      << "parameterization to calculate the final state.  It is valid\n"
      << "for all hadrons with incident momentum above 0.4 GeV/c.\n";
}

SampleInvariantT()

G4double G4ElasticHadrNucleusHE::SampleInvariantT ( const G4ParticleDefinition * p, G4double plab, G4int Z, G4int A )

overridevirtual

Reimplemented from G4HadronicInteraction.

Definition at line 373 of file G4ElasticHadrNucleusHE.cc.

{
  G4double mass = p->GetPDGMass();
  G4double kine = sqrt(inLabMom*inLabMom + mass*mass) - mass;
  if(kine <= ekinLowLimit) {
    return G4HadronElastic::SampleInvariantT(p,inLabMom,iZ,A);
  }
  G4int Z = std::min(iZ,ZMAX-1);
  G4double Q2 = 0.0;
  iHadrCode = p->GetPDGEncoding();
 
  // below computations in GeV/c
  hMass  = mass*invGeV;
  hMass2 = hMass*hMass;
  G4double plab = inLabMom*invGeV;
  G4double tmax = pLocalTmax*invGeV2;
 
  if(verboseLevel > 1) {
    G4cout<< "G4ElasticHadrNucleusHE::SampleT: " 
      << " for " << p->GetParticleName() 
      << " at Z= " << Z << " A= " << A
      << " plab(GeV)= " << plab
      << " hadrCode= " << iHadrCode
      << G4endl;
  }
  iHadron = -1;
  G4int idx;
  for(idx=0; idx<NHADRONS; ++idx) {
    if(iHadrCode == fHadronCode[idx]) { 
      iHadron = fHadronType[idx];
      iHadron1 = fHadronType1[idx];
      break; 
    }
  }
  // Hadron is not in the list
  if(0 > iHadron) { return 0.0; }
 
  if(Z==1) {
    Q2 = HadronProtonQ2(plab, tmax);
 
    if (verboseLevel>1) {
      G4cout<<"  Proton : Q2  "<<Q2<<G4endl;
    }
  } else {
    const G4ElasticData* ElD1 = fElasticData[idx][Z];
 
    // Construct elastic data
    if(!ElD1) { 
      FillData(p, idx, Z); 
      ElD1 = fElasticData[idx][Z];
      if(!ElD1) { return 0.0; }
    }
 
    // sample scattering
    Q2 = HadronNucleusQ2_2(ElD1, plab, tmax);
 
    if(verboseLevel > 1) {
      G4cout<<" SampleT: Q2(GeV^2)= "<<Q2<< "  t/tmax= " 
            << Q2/tmax <<G4endl;
    }
  }
  return Q2*GeV2;
}

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

• G4ElasticHadrNucleusHE.hh
• G4ElasticHadrNucleusHE.cc