Import Geant4 11.0.0.beta source tree
This commit is contained in:
Gabriele Cosmo
@@ -72,53 +72,56 @@ public:
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explicit G4PairProductionRelModel(const G4ParticleDefinition* p = nullptr,
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const G4String& nam = "BetheHeitlerLPM");
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virtual ~G4PairProductionRelModel();
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~G4PairProductionRelModel() override;
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virtual void Initialise(const G4ParticleDefinition*,
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const G4DataVector&) override;
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void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
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virtual void InitialiseLocal(const G4ParticleDefinition*,
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G4VEmModel* masterModel) override;
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void InitialiseLocal(const G4ParticleDefinition*,
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G4VEmModel* masterModel) override;
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virtual G4double ComputeCrossSectionPerAtom(
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const G4ParticleDefinition*,
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G4double kinEnergy,
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G4double Z,
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G4double A=0.,
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G4double cut=0.,
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G4double emax=DBL_MAX) override;
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G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
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G4double kinEnergy,
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G4double Z,
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G4double A=0.,
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G4double cut=0.,
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G4double emax=DBL_MAX) override;
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virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy) override;
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void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy) override;
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virtual void SetupForMaterial(const G4ParticleDefinition*,
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const G4Material*,G4double) override;
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void SetupForMaterial(const G4ParticleDefinition*,
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const G4Material*,G4double) override;
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inline void SetLPMflag(G4bool val) { fIsUseLPMCorrection = val; }
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inline G4bool LPMflag() const { return fIsUseLPMCorrection; }
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G4PairProductionRelModel & operator=
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(const G4PairProductionRelModel &right) = delete;
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G4PairProductionRelModel(const G4PairProductionRelModel&) = delete;
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protected:
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// for evaluating screening related functions
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inline void ComputePhi12(const G4double delta, G4double &phi1, G4double &phi2);
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inline void ComputePhi12(const G4double delta,
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G4double &phi1, G4double &phi2);
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inline G4double ScreenFunction1(const G4double delta);
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inline G4double ScreenFunction2(const G4double delta);
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inline void ScreenFunction12(const G4double delta, G4double &f1, G4double &f2);
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inline void ScreenFunction12(const G4double delta,
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G4double &f1, G4double &f2);
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// helper methods for cross-section computation under different approximations
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G4double ComputeParametrizedXSectionPerAtom(G4double gammaEnergy, G4double Z);
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G4double ComputeXSectionPerAtom(G4double gammaEnergy, G4double Z);
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G4double ComputeDXSectionPerAtom(G4double eplusEnergy, G4double gammaEnergy,
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G4double Z);
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G4double ComputeRelDXSectionPerAtom(G4double eplusEnergy, G4double gammaEnergy,
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G4double Z);
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G4double ComputeRelDXSectionPerAtom(G4double eplusEnergy,
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G4double gammaEnergy, G4double Z);
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private:
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// for creating some data structure per Z with often used comp. intensive data
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// for creating some data structure per Z
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void InitialiseElementData();
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struct ElementData {
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G4double fLogZ13;
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@@ -149,14 +152,6 @@ private:
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std::vector<G4double> fLPMFuncPhi;
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};
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private:
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// hide assignment operator
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G4PairProductionRelModel & operator=
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(const G4PairProductionRelModel &right) = delete;
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G4PairProductionRelModel(const G4PairProductionRelModel&) = delete;
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protected:
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static const G4int gMaxZet;
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//
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@@ -187,9 +182,6 @@ protected:
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G4ParticleDefinition* fThePositron;
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G4ParticleChangeForGamma* fParticleChange;
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};
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//
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// Bethe screening functions for the elastic (coherent) scattering:
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// Bethe's phi1, phi2 coherent screening functions were computed numerically
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@@ -207,9 +199,9 @@ protected:
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// Eg is the initial photon energy, E is the total energy transferred to one of
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// the e-/e+ pair, eps0 = mc^2/Eg and eps = E/Eg.
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inline
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void G4PairProductionRelModel::ComputePhi12(const G4double delta, G4double &phi1,
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G4double &phi2)
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inline void G4PairProductionRelModel::ComputePhi12(const G4double delta,
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G4double &phi1,
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G4double &phi2)
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{
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if (delta > 1.4) {
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phi1 = 21.0190 - 4.145*G4Log(delta + 0.958);
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@@ -220,7 +212,6 @@ void G4PairProductionRelModel::ComputePhi12(const G4double delta, G4double &phi1
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}
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}
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// Compute the value of the screening function 3*PHI1(delta) - PHI2(delta):
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inline G4double G4PairProductionRelModel::ScreenFunction1(const G4double delta)
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{
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@@ -228,7 +219,6 @@ inline G4double G4PairProductionRelModel::ScreenFunction1(const G4double delta)
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: 42.184 - delta*(7.444 - 1.623*delta);
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}
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// Compute the value of the screening function 1.5*PHI1(delta) +0.5*PHI2(delta):
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inline G4double G4PairProductionRelModel::ScreenFunction2(const G4double delta)
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{
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@@ -236,7 +226,6 @@ inline G4double G4PairProductionRelModel::ScreenFunction2(const G4double delta)
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: 41.326 - delta*(5.848 - 0.902*delta);
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}
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// Same as ScreenFunction1 and ScreenFunction2 but computes them at once
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inline void G4PairProductionRelModel::ScreenFunction12(const G4double delta,
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G4double &f1, G4double &f2)
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