G4mplIonisationWithDeltaModel.hh

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// $Id: G4mplIonisationWithDeltaModel.hh 76600 2013-11-13 08:30:02Z gcosmo $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4mplIonisationWithDeltaModel
//
// Author:        Vladimir Ivanchenko 
//
// Creation date: 06.09.2005
//
// Modifications:
// 12.08.2007 ComputeDEDXAhlen function added (M. Vladymyrov)
//
// Class Description:
//
// Implementation of model of energy loss of the magnetic monopole

// -------------------------------------------------------------------
//

#ifndef G4mplIonisationWithDeltaModel_h
#define G4mplIonisationWithDeltaModel_h 1

#include "G4VEmModel.hh"
#include "G4VEmFluctuationModel.hh"
#include <vector>

class G4ParticleChangeForLoss;

class G4mplIonisationWithDeltaModel : public G4VEmModel, public G4VEmFluctuationModel
{

public:

  G4mplIonisationWithDeltaModel(G4double mCharge, 
                                const G4String& nam = "mplIonisationWithDelta");

  virtual ~G4mplIonisationWithDeltaModel();

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

  virtual G4double ComputeDEDXPerVolume(const G4Material*,
                                        const G4ParticleDefinition*,
                                        G4double kineticEnergy,
                                        G4double cutEnergy);

  virtual G4double ComputeCrossSectionPerElectron(
                                 const G4ParticleDefinition*,
                                 G4double kineticEnergy,
                                 G4double cutEnergy,
                                 G4double maxEnergy);

  virtual G4double ComputeCrossSectionPerAtom(
                                 const G4ParticleDefinition*,
                                 G4double kineticEnergy,
                                 G4double Z, G4double A,
                                 G4double cutEnergy,
                                 G4double maxEnergy);

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


  virtual G4double SampleFluctuations(const G4MaterialCutsCouple*,
                                      const G4DynamicParticle*,
                                      G4double tmax,
                                      G4double length,
                                      G4double meanLoss);

  virtual G4double Dispersion(const G4Material*,
                              const G4DynamicParticle*,
                              G4double tmax,
                              G4double length);

  void SetParticle(const G4ParticleDefinition* p);

protected:

  virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
                                      G4double kinEnergy);

private:

  G4double ComputeDEDXAhlen(const G4Material* material, G4double bg2, G4double cut);

  // hide assignment operator
  G4mplIonisationWithDeltaModel & operator=(const  G4mplIonisationWithDeltaModel &right);
  G4mplIonisationWithDeltaModel(const  G4mplIonisationWithDeltaModel&);

  const G4ParticleDefinition* monopole;
  G4ParticleDefinition* theElectron;
  G4ParticleChangeForLoss*    fParticleChange;

  G4double mass;
  G4double magCharge;
  G4double twoln10;
  G4double betalow;
  G4double betalim;
  G4double beta2lim;
  G4double bg2lim;
  G4double chargeSquare;
  G4double dedxlim;
  G4int    nmpl;
  G4double pi_hbarc2_over_mc2;

  static std::vector<G4double>* dedx0;

};

#endif

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