G4BoldyshevTripletModel.hh

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// Author: G.Depaola & F.Longo

#ifndef G4BoldyshevTripletModel_h
#define G4BoldyshevTripletModel_h 1

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

class G4BoldyshevTripletModel : public G4VEmModel
{

public:
  
  G4BoldyshevTripletModel(const G4ParticleDefinition* p = 0, const G4String& nam = "BoldyshevTripletConversion");
  
  virtual ~G4BoldyshevTripletModel();
  
  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);

  G4BoldyshevTripletModel & operator=(const  G4BoldyshevTripletModel &right);
  G4BoldyshevTripletModel(const  G4BoldyshevTripletModel&);

  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;

  G4double asinh (G4double value);


};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....                                                                                                           

inline G4double G4BoldyshevTripletModel::asinh (G4double value)
{
  G4double out;

  if (value>0)
    out = std::log(value+std::sqrt(value*value+1));
  else
    out = -std::log(-value+std::sqrt(value*value+1));

  return out;
}


//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

#endif