G4LivermoreGammaConversionModelRC.hh

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// Authors: G.Depaola & F.Longo
//
 
#ifndef G4LivermoreGammaConversionModelRC_h
#define G4LivermoreGammaConversionModelRC_h 1
 
#include "G4VEmModel.hh"
#include "G4LPhysicsFreeVector.hh"
#include "G4ProductionCutsTable.hh"
 
class G4ParticleChangeForGamma;
 
class G4LivermoreGammaConversionModelRC : public G4VEmModel
{
 
public:
 
  G4LivermoreGammaConversionModelRC(const G4ParticleDefinition* p = 0, 
                    const G4String& nam = "LivermoreGammaConversionRC_1");
  
  virtual ~G4LivermoreGammaConversionModelRC();
  
  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
 
  virtual void InitialiseLocal(const G4ParticleDefinition*, 
                   G4VEmModel* masterModel);
  
  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
 
  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:
  
  G4ParticleChangeForGamma* fParticleChange;
 
  G4double lowEnergyLimit;  
  
  G4bool isInitialised;
  G4int verboseLevel;
 
  void ReadData(size_t Z, const char* path = 0);
  
  G4double ScreenFunction1(G4double screenVariable);
  G4double ScreenFunction2(G4double screenVariable);
  
  G4double smallEnergy;
  //  G4double Psi, Phi;
 
  
  G4LivermoreGammaConversionModelRC & operator=(const  G4LivermoreGammaConversionModelRC &right);
  G4LivermoreGammaConversionModelRC(const  G4LivermoreGammaConversionModelRC&);
 
  static G4int maxZ;
  static G4LPhysicsFreeVector* data[100]; // 100 because Z range is 1-99
 
 
 G4double fbeta (G4double x);
 G4double Dilog (G4double x);
 
};
 
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#endif