G4MicroElecInelasticModel.hh

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// G4MicroElecInelasticModel.hh, 2011/08/29 A.Valentin, M. Raine
//
// Based on the following publications
//
//          - Inelastic cross-sections of low energy electrons in silicon
//      for the simulation of heavy ion tracks with theGeant4-DNA toolkit,
//      NSS Conf. Record 2010, pp. 80-85
//      - Geant4 physics processes for microdosimetry simulation:
//      very low energy electromagnetic models for electrons in Si,
//      NIM B, vol. 288, pp. 66-73, 2012.
//      - Geant4 physics processes for microdosimetry simulation:
//      very low energy electromagnetic models for protons and
//      heavy ions in Si, NIM B, vol. 287, pp. 124-129, 2012.
//
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#ifndef G4MicroElecInelasticModel_h
#define G4MicroElecInelasticModel_h 1
 
 
#include "globals.hh"
#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4ProductionCutsTable.hh"
#include "G4VAtomDeexcitation.hh"
#include "G4MicroElecSiStructure.hh"
 
class G4ParticleDefinition;
class G4NistManager;
class G4MicroElecCrossSectionDataSet;
 
class G4MicroElecInelasticModel : public G4VEmModel
{
 
public:
 
  G4MicroElecInelasticModel(const G4ParticleDefinition* p = nullptr, 
                   const G4String& nam = "MicroElecInelasticModel");
  virtual ~G4MicroElecInelasticModel();
  
  void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
 
  G4double CrossSectionPerVolume(  const G4Material* material,
                   const G4ParticleDefinition* p,
                   G4double ekin,
                   G4double emin,
                   G4double emax) override;
  void SampleSecondaries(std::vector<G4DynamicParticle*>*,
             const G4MaterialCutsCouple*,
             const G4DynamicParticle*,
             G4double tmin,
             G4double maxEnergy) override;
  G4double DifferentialCrossSection(G4ParticleDefinition * aParticleDefinition, 
                                    G4double k, G4double energyTransfer, 
                                    G4int shell);
  G4double TransferedEnergy(G4ParticleDefinition * aParticleDefinition,
                            G4double incomingParticleEnergy, G4int shell, G4double random) ;
  
  inline void SelectFasterComputation(G4bool input); 
 
  G4MicroElecInelasticModel & operator=(const  G4MicroElecInelasticModel &right) = delete;
  G4MicroElecInelasticModel(const  G4MicroElecInelasticModel&) = delete;
  
protected:
  G4ParticleChangeForGamma* fParticleChangeForGamma;
 
private:
  G4double RandomizeEjectedElectronEnergy(G4ParticleDefinition * aParticleDefinition, 
                      G4double incomingParticleEnergy, G4int shell) ;
  G4double RandomizeEjectedElectronEnergyFromCumulatedDcs(G4ParticleDefinition * aParticleDefinition, 
                              G4double incomingParticleEnergy, G4int shell) ;
  G4double Interpolate(G4double e1, G4double e2, G4double e, G4double xs1, G4double xs2);
  G4double QuadInterpolator( G4double e11, 
                 G4double e12, 
                 G4double e21, 
                 G4double e22, 
                 G4double x11,
                 G4double x12, 
                 G4double x21, 
                 G4double x22, 
                 G4double t1, 
                 G4double t2, 
                 G4double t, 
                 G4double e);
  // Partial cross section
  G4int RandomSelect(G4double energy,const G4String& particle );
 
  //deexcitation manager to produce fluo photns and e-
  G4VAtomDeexcitation*      fAtomDeexcitation;
  G4Material* nistSi;
  std::map<G4String,G4double,std::less<G4String> > lowEnergyLimit;
  std::map<G4String,G4double,std::less<G4String> > highEnergyLimit;
 
  // Cross section
  typedef std::map<G4String,G4String,std::less<G4String> > MapFile;
  MapFile tableFile;
 
  typedef std::map<G4String,G4MicroElecCrossSectionDataSet*,std::less<G4String> > MapData;
  MapData tableData;
  
  typedef std::map<G4double, std::map<G4double, G4double> > TriDimensionMap;
  TriDimensionMap eDiffCrossSectionData[7];
  TriDimensionMap eNrjTransfData[7]; // for cumulated dcs 
  TriDimensionMap pDiffCrossSectionData[7];
  TriDimensionMap pNrjTransfData[7]; // for cumulated dcs
  std::vector<G4double> eTdummyVec;
  std::vector<G4double> pTdummyVec;
 
  typedef std::map<G4double, std::vector<G4double> > VecMap;
  VecMap eVecm;
  VecMap pVecm;
  VecMap eProbaShellMap[7]; // for cumulated dcs
  VecMap pProbaShellMap[7]; // for cumulated dcs
  
  // Final state
  G4MicroElecSiStructure SiStructure;
 
  G4int verboseLevel;
  G4bool isInitialised;
  G4bool fasterCode;   
  //  
};
 
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inline void G4MicroElecInelasticModel::SelectFasterComputation (G4bool input)
{ 
    fasterCode = input; 
}
 
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#endif