Gabriele Cosmo
112 lines
5.7 KiB
C++
112 lines
5.7 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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// Calculation of the total, elastic and inelastic cross-sections
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// of anti-nucleon and anti-nucleus interactions with nuclei
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// based on Glauber approach, V. Grishine formulaes for
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// interpolations (ref. V.M.Grichine, Eur.Phys.J., C62(2009) 399;
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// NIM, B267 (2009) 2460) and our parametrization of hadron-nucleon
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// cross-sections
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//
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//
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// Created by A.Galoyan and V. Uzhinsky, 18.11.2010
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#ifndef G4ComponentAntiNuclNuclearXS_h
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#define G4ComponentAntiNuclNuclearXS_h
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#include <CLHEP/Units/PhysicalConstants.h> // pi, fermi,..
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#include "globals.hh"
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#include "G4Proton.hh"
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#include "G4AntiProton.hh"
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#include "G4AntiNeutron.hh"
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#include "G4AntiDeuteron.hh"
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#include "G4AntiHe3.hh"
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#include "G4AntiTriton.hh"
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#include "G4AntiAlpha.hh"
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#include "G4Nucleus.hh"
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#include "G4Pow.hh"
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#include "G4VComponentCrossSection.hh"
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class G4ParticleDefinition;
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class G4ComponentAntiNuclNuclearXS : public G4VComponentCrossSection {
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public:
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G4ComponentAntiNuclNuclearXS ();
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virtual ~G4ComponentAntiNuclNuclearXS ();
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virtual G4double GetTotalIsotopeCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z, G4int A);
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virtual G4double GetTotalElementCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z, G4double A);
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virtual G4double GetInelasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z, G4int A);
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virtual G4double GetInelasticElementCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z, G4double A);
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virtual G4double GetElasticElementCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z, G4double A);
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virtual G4double GetElasticIsotopeCrossSection(const G4ParticleDefinition* aParticle,
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G4double kinEnergy, G4int Z, G4int A);
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virtual void BuildPhysicsTable(const G4ParticleDefinition&) {}
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virtual void DumpPhysicsTable(const G4ParticleDefinition&) {}
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virtual void CrossSectionDescription(std::ostream&) const;
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// Method for calculation of Anti-Hadron Nucleon Total Cross-section
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G4double GetAntiHadronNucleonTotCrSc(const G4ParticleDefinition* aParticle, G4double kinEnergy);
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// Method for calculation of Anti-Hadron Nucleon Elastic Cross-section
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G4double GetAntiHadronNucleonElCrSc(const G4ParticleDefinition* aParticle, G4double kinEnergy);
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private:
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G4double fRadiusEff; // Effective Radius for AntiNucleus
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G4double fTotalXsc, fElasticXsc, fInelasticXsc;
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G4double fAntiHadronNucleonTotXsc, fAntiHadronNucleonElXsc;
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G4double Elab, S, SqrtS ;
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G4double Mn, b0, b2, SqrtS0, S0, R0; // Parameters for AntiHadron-Nucleon Xsc
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G4ParticleDefinition* theAProton;
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G4ParticleDefinition* theANeutron;
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G4ParticleDefinition* theADeuteron;
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G4ParticleDefinition* theATriton;
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G4ParticleDefinition* theAAlpha;
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G4ParticleDefinition* theAHe3;
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const G4double ReffTot[5][5] = { {0.000, 3.800, 3.300, 3.300, 2.376}, // Pbar + p, d, t, He3, He4
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{3.800, 3.238, 3.144, 3.144, 2.544}, // Dbar + p, d, t, He3, He4
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{3.300, 3.144, 3.075, 3.075, 3.589}, // Tbar + p, d, t, He3, He4
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{3.300, 3.144, 3.075, 3.075, 2.589}, // He3bar + p, d, t, He3, He4
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{2.376, 2.544, 3.589, 3.598, 2.241} }; // He4bar + p, d, t, He3, He4
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const G4double ReffInel[5][5] = { {0.000, 3.582, 3.105, 3.105, 2.209}, // Pbar + p, d, t, He3, He4
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{3.582, 3.169, 3.066, 3.066, 2.498}, // Dbar + p, d, t, He3, He4
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{3.105, 3.066, 2.973, 2.973, 2.508}, // Tbar + p, d, t, He3, He4
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{3.105, 3.066, 2.973, 2.973, 2.508}, // He3bar + p, d, t, He3, He4
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{2.209, 2.498, 2.508, 2.508, 2.158} }; // He4bar + p, d, t, He3, He4
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const G4Pow* theG4Pow = G4Pow::GetInstance();
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};
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#endif
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