Gabriele Cosmo
98 lines
3.8 KiB
C++
98 lines
3.8 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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// 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 G. Folger version of G4PiNuclearCrossSection class
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//
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// Modified:
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// 05.03.2024 V.Ivanchenko removed obsolete methods and calls
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//
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#ifndef G4NucleonNuclearCrossSection_h
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#define G4NucleonNuclearCrossSection_h
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#include "G4VCrossSectionDataSet.hh"
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#include "G4ParticleDefinition.hh"
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#include "globals.hh"
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class G4ComponentBarNucleonNucleusXsc;
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class G4ParticleDefinition;
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class G4NucleonNuclearCrossSection : public G4VCrossSectionDataSet
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{
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public:
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G4NucleonNuclearCrossSection();
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~G4NucleonNuclearCrossSection() override = default;
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static const char* Default_Name() { return "BarashenkovNucleonXS"; }
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G4bool IsElementApplicable(const G4DynamicParticle* aParticle,
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G4int Z, const G4Material* mat) final;
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// return inelastic x-section
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G4double GetElementCrossSection(const G4DynamicParticle* aParticle,
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G4int Z, const G4Material* mat=nullptr) final;
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void CrossSectionDescription(std::ostream&) const final;
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// return elastic x-section
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inline G4double GetElasticCrossSection(const G4DynamicParticle* aParticle,
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G4int Z);
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// access methods should be called after ComputeCrossSection(...)
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inline G4double GetTotalXsc() { return fTotalXsc; };
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inline G4double GetInelasticXsc() { return fInelasticXsc; };
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inline G4double GetElasticXsc() { return fElasticXsc; };
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G4NucleonNuclearCrossSection& operator=
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(const G4NucleonNuclearCrossSection &right) = delete;
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G4NucleonNuclearCrossSection(const G4NucleonNuclearCrossSection&) = delete;
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private:
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void ComputeCrossSections(const G4ParticleDefinition*,
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G4double kinEnergy, G4int Z);
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G4ComponentBarNucleonNucleusXsc* fBarash;
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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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};
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inline
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G4double G4NucleonNuclearCrossSection::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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