Gabriele Cosmo
157 lines
5.1 KiB
C++
157 lines
5.1 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// Calculation of the total, elastic and inelastic cross-sections
|
|
// based on Barashenkov parametrisations of pion data
|
|
//
|
|
// 16.08.06 V.Ivanchenko - first implementation
|
|
// 22.01.07 V.Ivanchenko - add cross section interfaces with Z and A
|
|
// 05.03.07 V.Ivanchenko - add IfZAApplicable
|
|
//
|
|
|
|
|
|
#ifndef G4UPiNuclearCrossSection_h
|
|
#define G4UPiNuclearCrossSection_h
|
|
|
|
#include "G4VCrossSectionDataSet.hh"
|
|
#include "G4DynamicParticle.hh"
|
|
#include "G4DataVector.hh"
|
|
#include "globals.hh"
|
|
#include <vector>
|
|
|
|
class G4PhysicsTable;
|
|
|
|
class G4UPiNuclearCrossSection : public G4VCrossSectionDataSet
|
|
{
|
|
public:
|
|
|
|
G4UPiNuclearCrossSection();
|
|
|
|
virtual ~G4UPiNuclearCrossSection();
|
|
|
|
virtual
|
|
G4bool IsApplicable(const G4DynamicParticle* aParticle,
|
|
const G4Element* anElement);
|
|
|
|
virtual
|
|
G4bool IsZAApplicable(const G4DynamicParticle* aParticle,
|
|
G4double Z, G4double A);
|
|
|
|
virtual
|
|
G4double GetCrossSection(const G4DynamicParticle* aParticle,
|
|
const G4Element* anElement, G4double T=0.);
|
|
|
|
virtual
|
|
G4double GetIsoZACrossSection(const G4DynamicParticle* aParticle,
|
|
G4double Z, G4double A, G4double T=0.);
|
|
|
|
G4double GetElasticCrossSection(const G4DynamicParticle* aParticle,
|
|
const G4Element* anElement);
|
|
|
|
G4double GetElasticCrossSection(const G4DynamicParticle* aParticle,
|
|
G4double Z, G4double A);
|
|
|
|
G4double GetInelasticCrossSection(const G4DynamicParticle* aParticle,
|
|
const G4Element* anElement);
|
|
|
|
G4double GetInelasticCrossSection(const G4DynamicParticle* aParticle,
|
|
G4double Z, G4double A);
|
|
|
|
void BuildPhysicsTable(const G4ParticleDefinition&);
|
|
|
|
void DumpPhysicsTable(const G4ParticleDefinition&);
|
|
|
|
private:
|
|
|
|
void Initialise();
|
|
|
|
void AddDataSet(const G4String& p, const G4double* tot,
|
|
const G4double* in, const G4double* e, G4int n);
|
|
|
|
G4double Interpolate(G4double Z, G4double A, G4double ekin,
|
|
G4PhysicsTable*);
|
|
|
|
G4int NZ;
|
|
std::vector<G4int> theZ;
|
|
G4DataVector theA;
|
|
G4PhysicsTable* piPlusElastic;
|
|
G4PhysicsTable* piPlusInelastic;
|
|
G4PhysicsTable* piMinusElastic;
|
|
G4PhysicsTable* piMinusInelastic;
|
|
|
|
G4double aPower;
|
|
G4double elow;
|
|
G4double elowest;
|
|
|
|
const G4ParticleDefinition* piPlus;
|
|
const G4ParticleDefinition* piMinus;
|
|
};
|
|
|
|
inline G4bool G4UPiNuclearCrossSection::IsApplicable(
|
|
const G4DynamicParticle* part,
|
|
const G4Element* elm)
|
|
{
|
|
return IsZAApplicable(part, elm->GetZ(), elm->GetN());
|
|
}
|
|
|
|
inline G4bool G4UPiNuclearCrossSection::IsZAApplicable(
|
|
const G4DynamicParticle* part,
|
|
G4double Z, G4double)
|
|
{
|
|
return ((part->GetDefinition() == piMinus ||
|
|
part->GetDefinition() == piPlus) &&
|
|
Z > 1.5);
|
|
}
|
|
|
|
inline G4double G4UPiNuclearCrossSection::GetCrossSection(
|
|
const G4DynamicParticle* dp,
|
|
const G4Element* elm, G4double)
|
|
{
|
|
return GetInelasticCrossSection(dp, elm->GetZ(), elm->GetN());
|
|
}
|
|
|
|
inline G4double G4UPiNuclearCrossSection::GetIsoZACrossSection(
|
|
const G4DynamicParticle* dp,
|
|
G4double Z, G4double A, G4double)
|
|
{
|
|
return GetInelasticCrossSection(dp, Z, A);
|
|
}
|
|
|
|
inline G4double G4UPiNuclearCrossSection::GetInelasticCrossSection(
|
|
const G4DynamicParticle* dp,
|
|
const G4Element* elm)
|
|
{
|
|
return GetInelasticCrossSection(dp, elm->GetZ(), elm->GetN());
|
|
}
|
|
|
|
inline G4double G4UPiNuclearCrossSection::GetElasticCrossSection(
|
|
const G4DynamicParticle* dp,
|
|
const G4Element* elm)
|
|
{
|
|
return GetElasticCrossSection(dp, elm->GetZ(), elm->GetN());
|
|
}
|
|
|
|
#endif
|