Gabriele Cosmo
169 lines
5.2 KiB
C++
169 lines
5.2 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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//
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// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
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//
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// History:
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// -----------
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// 16 Jun 2008 MGP Created on the basis of G4CrossSectionHandler
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// -------------------------------------------------------------------
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// Class description:
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// Cross section manager for hadron impact ionization
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// Documented in:
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// M.G. Pia et al., PIXE Simulation With Geant4,
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// IEEE Trans. Nucl. Sci., vol. 56, no. 6, pp. 3614-3649, Dec. 2009.
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// -------------------------------------------------------------------
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#ifndef G4PIXECROSSSECTIONHANDLER_HH
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#define G4PIXECROSSSECTIONHANDLER_HH 1
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#include <map>
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#include <vector>
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#include <CLHEP/Units/SystemOfUnits.h>
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#include "globals.hh"
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#include "G4DataVector.hh"
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#include "G4MaterialCutsCouple.hh"
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class G4IInterpolator;
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class G4IDataSet;
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class G4Material;
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class G4Element;
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class G4PixeCrossSectionHandler {
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public:
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G4PixeCrossSectionHandler();
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G4PixeCrossSectionHandler(G4IInterpolator* interpolation,
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const G4String& modelK="ecpssr",
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const G4String& modelL="ecpssr",
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const G4String& modelM="ecpssr",
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G4double minE = 1*CLHEP::keV,
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G4double maxE = 0.1*CLHEP::GeV,
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G4int nBins = 200,
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G4double unitE = CLHEP::MeV,
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G4double unitData = CLHEP::barn,
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G4int minZ = 6, G4int maxZ = 92);
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virtual ~G4PixeCrossSectionHandler();
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void Initialise(G4IInterpolator* interpolation,
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const G4String& modelK="ecpssr",
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const G4String& modelL="ecpssr",
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const G4String& modelM="ecpssr",
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G4double minE = 1*CLHEP::keV,
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G4double maxE = 0.1*CLHEP::GeV,
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G4int nBins = 200,
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G4double unitE = CLHEP::MeV,
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G4double unitData = CLHEP::barn,
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G4int minZ = 6, G4int maxZ = 92);
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G4int SelectRandomAtom(const G4Material* material, G4double e) const;
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G4int SelectRandomShell(G4int Z, G4double e) const;
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G4double FindValue(G4int Z, G4double e) const;
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G4double FindValue(G4int Z, G4double e, G4int shellIndex) const;
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G4double ValueForMaterial(const G4Material* material, G4double e) const;
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// void LoadData(const G4String& dataFile);
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void LoadShellData(const G4String& dataFile);
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// Ionisation cross section as in Geant4 Physics Reference Manual
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G4double MicroscopicCrossSection(const G4ParticleDefinition* particleDef,
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G4double kineticEnergy,
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G4double Z,
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G4double deltaCut) const;
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void PrintData() const;
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void Clear();
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private:
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// Hide copy constructor and assignment operator
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G4PixeCrossSectionHandler(const G4PixeCrossSectionHandler&);
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G4PixeCrossSectionHandler & operator=(const G4PixeCrossSectionHandler &right);
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G4int NumberOfComponents(G4int Z) const;
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void ActiveElements();
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void BuildForMaterials();
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// Factory method
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std::vector<G4IDataSet*>* BuildCrossSectionsForMaterials(const G4DataVector& energyVector);
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// Factory method
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G4IInterpolator* CreateInterpolation();
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const G4IInterpolator* GetInterpolation() const { return interpolation; }
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G4IInterpolator* interpolation;
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G4double eMin;
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G4double eMax;
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G4int nBins;
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G4double unit1;
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G4double unit2;
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G4int zMin;
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G4int zMax;
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G4DataVector activeZ;
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// Map of PixeShellDataSets with the shell cross sections for each element
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std::map<G4int,G4IDataSet*,std::less<G4int> > dataMap;
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// Vector of composite cross sections for each material in the MaterialTable
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// The composite cross section is composed of cross sections for each element in material
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std::vector<G4IDataSet*>* crossSections;
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std::vector<G4String> crossModel;
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};
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#endif
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