G4KleinNishinaCompton.hh

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4KleinNishinaCompton
//
// Author:        Vladimir Ivanchenko on base of Michel Maire code
//
// Creation date: 15.03.2005
//
// Modifications:
// 18-04-05 Use G4ParticleChangeForGamma (V.Ivantchenko)
//
//
// Class Description:
//
// Implementation of gamma Compton scatteribg on free electron
// 
 
// -------------------------------------------------------------------
//
 
#ifndef G4KleinNishinaCompton_h
#define G4KleinNishinaCompton_h 1
 
#include "G4VEmModel.hh"
 
class G4ParticleChangeForGamma;
 
class G4KleinNishinaCompton : public G4VEmModel
{
 
public:
 
  G4KleinNishinaCompton(const G4ParticleDefinition* p = 0, 
            const G4String& nam = "Klein-Nishina");
 
  virtual ~G4KleinNishinaCompton();
 
  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
 
  virtual G4double ComputeCrossSectionPerAtom(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double Z, 
                                      G4double A, 
                                      G4double cut,
                                      G4double emax);
 
  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin,
                 G4double maxEnergy);
 
protected:
 
  G4ParticleDefinition*     theGamma;
  G4ParticleDefinition*     theElectron;
  G4ParticleChangeForGamma* fParticleChange;
  G4double                  lowestGammaEnergy;
 
private:
 
  // hide assignment operator
  G4KleinNishinaCompton & operator=(const  G4KleinNishinaCompton &right);
  G4KleinNishinaCompton(const  G4KleinNishinaCompton&);
 
};
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
#endif