Gabriele Cosmo
127 lines
4.7 KiB
C++
127 lines
4.7 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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#ifndef G4DNAScreenedRutherfordElasticModel_h
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#define G4DNAScreenedRutherfordElasticModel_h 1
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#include <CLHEP/Units/SystemOfUnits.h>
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#include "G4VEmModel.hh"
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#include "G4ParticleChangeForGamma.hh"
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#include "G4ProductionCutsTable.hh"
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#include "G4NistManager.hh"
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class G4DNAScreenedRutherfordElasticModel : public G4VEmModel
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{
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public:
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G4DNAScreenedRutherfordElasticModel(const G4ParticleDefinition* p = nullptr,
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const G4String& nam = "DNAScreenedRutherfordElasticModel");
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~G4DNAScreenedRutherfordElasticModel() override;
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G4DNAScreenedRutherfordElasticModel& operator=
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(const G4DNAScreenedRutherfordElasticModel &right) = delete;
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G4DNAScreenedRutherfordElasticModel(const G4DNAScreenedRutherfordElasticModel&) = delete;
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void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
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G4double CrossSectionPerVolume(const G4Material* material,
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const G4ParticleDefinition* p,
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G4double ekin,
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G4double emin,
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G4double emax) 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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inline void SetKillBelowThreshold (G4double threshold);
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inline void SelectFasterComputation(G4bool input);
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protected:
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G4ParticleChangeForGamma* fParticleChangeForGamma;
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private:
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G4double lowEnergyLimit;
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G4double intermediateEnergyLimit;
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G4double highEnergyLimit;
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// -- Brenner & Zaider
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std::vector<G4double> betaCoeff;
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std::vector<G4double> deltaCoeff;
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std::vector<G4double> gamma035_10Coeff;
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std::vector<G4double> gamma10_100Coeff;
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std::vector<G4double> gamma100_200Coeff;
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// -- Water density table
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const std::vector<G4double>* fpWaterDensity;
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G4int verboseLevel;
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G4bool isInitialised{false};
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G4bool fasterCode;
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// -- Cross section
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G4double RutherfordCrossSection(G4double energy, G4double z);
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G4double ScreeningFactor(G4double energy, G4double z);
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// -- Final state according to Brenner & Zaider
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G4double BrennerZaiderRandomizeCosTheta(G4double k);
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G4double CalculatePolynomial(G4double k, std::vector<G4double>& vec);
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// -- Final state according to Screened Rutherford
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G4double ScreenedRutherfordRandomizeCosTheta(G4double k, G4double z);
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};
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inline void
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G4DNAScreenedRutherfordElasticModel::SetKillBelowThreshold (G4double)
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{
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G4ExceptionDescription errMsg;
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errMsg << "The method G4DNAScreenedRutherfordElasticModel::"
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"SetKillBelowThreshold is deprecated";
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G4Exception("G4DNAScreenedRutherfordElasticModel::SetKillBelowThreshold",
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"deprecated",
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JustWarning,
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errMsg);
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}
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inline void
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G4DNAScreenedRutherfordElasticModel::SelectFasterComputation(G4bool input)
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{
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fasterCode = input;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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