G4LivermoreNuclearGammaConversionModel.hh

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// Authors: G.Depaola & F.Longo

#ifndef G4LivermoreNuclearGammaConversionModel_h
#define G4LivermoreNuclearGammaConversionModel_h 1

#include "G4VEmModel.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4LPhysicsFreeVector.hh"
#include "G4ProductionCutsTable.hh"

class G4LivermoreNuclearGammaConversionModel : public G4VEmModel
{

public:

  G4LivermoreNuclearGammaConversionModel(const G4ParticleDefinition* p = 0, 
                      const G4String& nam = "LivermoreNuclearConversion");

  virtual ~G4LivermoreNuclearGammaConversionModel();

  virtual void Initialise(const G4ParticleDefinition*, 
                          const G4DataVector&);

  //MT
  virtual void InitialiseLocal(const G4ParticleDefinition*, 
                   G4VEmModel* masterModel);

  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
  //END MT

  virtual G4double ComputeCrossSectionPerAtom(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double Z, 
                                      G4double A=0, 
                                      G4double cut=0,
                                      G4double emax=DBL_MAX);

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
         const G4MaterialCutsCouple*,
         const G4DynamicParticle*,
               G4double tmin,
               G4double maxEnergy);

  virtual G4double MinPrimaryEnergy(const G4Material*,
            const G4ParticleDefinition*,
            G4double);

private:

  void ReadData(size_t Z, const char* path = 0);

  G4double ScreenFunction1(G4double screenVariable);
  G4double ScreenFunction2(G4double screenVariable);

  G4LivermoreNuclearGammaConversionModel & operator=(const  G4LivermoreNuclearGammaConversionModel &right);
  G4LivermoreNuclearGammaConversionModel(const  G4LivermoreNuclearGammaConversionModel&);

  G4bool isInitialised;
  G4int verboseLevel;

  G4double lowEnergyLimit;  
  G4double smallEnergy;
  
  //MT
  static G4int maxZ;
  static G4LPhysicsFreeVector* data[100]; // 100 because Z range is 1-99
                                          // in LivermoreRayleighModel, 101
            //  because Z range is 1-100
  //END MT
  
  G4ParticleChangeForGamma* fParticleChange;

};

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#endif