Gabriele Cosmo
135 lines
4.8 KiB
C++
135 lines
4.8 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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// author: Vladimir.Grichine@cern.ch
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//
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// Implements data from: Barashenkov V.S., Nucleon-Nucleus Cross Section,
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// Preprint JINR P2-89-770, p. 12, Dubna 1989 (scanned version from KEK)
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// Based on G4NucleonNuclearCrossSection class
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//
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// Modifications: 16.08.2018 V.Ivanchenko major revision
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//
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#ifndef G4ComponentBarNucleonNucleusXsc_h
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#define G4ComponentBarNucleonNucleusXsc_h
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#include "G4VComponentCrossSection.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4DynamicParticle.hh"
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#include "globals.hh"
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#include "G4PiData.hh"
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#include <vector>
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class G4ComponentBarNucleonNucleusXsc : public G4VComponentCrossSection
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{
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public:
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G4ComponentBarNucleonNucleusXsc();
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~G4ComponentBarNucleonNucleusXsc() override = default;
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G4double GetTotalIsotopeCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy,
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G4int Z, G4int ) final;
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G4double GetTotalElementCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy,
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G4int Z, G4double ) final;
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G4double GetInelasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy,
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G4int Z, G4int ) final;
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G4double GetInelasticElementCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy,
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G4int Z, G4double ) final;
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G4double GetElasticElementCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy,
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G4int Z, G4double ) final;
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G4double GetElasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy,
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G4int Z, G4int ) final;
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void ComputeCrossSections(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z);
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void Description(std::ostream&) const final;
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inline G4double GetElementCrossSection(const G4DynamicParticle* aParticle, G4int Z);
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inline G4double GetElasticCrossSection(const G4DynamicParticle* aParticle, G4int Z);
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inline G4double GetTotalXsc() { return fTotalXsc; };
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inline G4double GetElasticXsc() { return fElasticXsc; };
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inline G4double GetInelasticXsc() { return fInelasticXsc; };
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G4ComponentBarNucleonNucleusXsc& operator=
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(const G4ComponentBarNucleonNucleusXsc &right) = delete;
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G4ComponentBarNucleonNucleusXsc(const G4ComponentBarNucleonNucleusXsc&) = delete;
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private:
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G4double Interpolate(G4int Z1, G4int Z2, G4int Z, G4double x1, G4double x2) const;
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void LoadData();
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// cross sections
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G4double fTotalXsc{0.0};
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G4double fInelasticXsc{0.0};
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G4double fElasticXsc{0.0};
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// particles
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const G4ParticleDefinition* theProton;
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const G4ParticleDefinition* theNeutron;
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static G4double A75[93];
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static const G4int NZ = 17;
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static G4int theZ[NZ];
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static std::vector<G4PiData*>* thePData;
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static std::vector<G4PiData*>* theNData;
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};
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inline
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G4double G4ComponentBarNucleonNucleusXsc::GetElementCrossSection(
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const G4DynamicParticle* dp, G4int Z)
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{
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ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z);
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return fInelasticXsc;
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}
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inline
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G4double G4ComponentBarNucleonNucleusXsc::GetElasticCrossSection(
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const G4DynamicParticle* dp, G4int Z)
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{
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ComputeCrossSections(dp->GetDefinition(), dp->GetKineticEnergy(), Z);
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return fElasticXsc;
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}
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#endif
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