G4LivermorePolarizedComptonModel.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.          *
// ********************************************************************
//
// $Id$
//
// Authors: G.Depaola & F.Longo
//
 
#ifndef G4LivermorePolarizedComptonModel_h
#define G4LivermorePolarizedComptonModel_h 1
 
#include "G4VEmModel.hh"
#include "G4Electron.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4CrossSectionHandler.hh"
#include "G4LogLogInterpolation.hh"
#include "G4CompositeEMDataSet.hh"
#include "G4ShellData.hh"
#include "G4DopplerProfile.hh"
#include "G4ForceCondition.hh"
#include "G4Gamma.hh"
 
class G4LivermorePolarizedComptonModel : public G4VEmModel
{
 
public:
 
  G4LivermorePolarizedComptonModel(const G4ParticleDefinition* p = 0, 
                           const G4String& nam = "LivermorePolarizedCompton");
 
  virtual ~G4LivermorePolarizedComptonModel();
 
  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
 
  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);
 
protected:
 
  G4ParticleChangeForGamma* fParticleChange;
 
  /*
  G4double GetMeanFreePath(const G4Track& aTrack, 
               G4double previousStepSize, 
               G4ForceCondition* condition);
               */
private:
 
  G4double lowEnergyLimit;  
  G4double highEnergyLimit; 
  G4bool isInitialised;
  G4int verboseLevel;
 
  G4VEMDataSet* meanFreePathTable;
  G4VEMDataSet* scatterFunctionData;
  G4VCrossSectionHandler* crossSectionHandler;
 
  // specific methods for polarization 
  
  G4ThreeVector GetRandomPolarization(G4ThreeVector& direction0); // Random Polarization
  G4ThreeVector GetPerpendicularPolarization(const G4ThreeVector& direction0, const G4ThreeVector& polarization0) const;
  
  G4ThreeVector SetPerpendicularVector(G4ThreeVector& a); // temporary
  G4ThreeVector SetNewPolarization(G4double epsilon, G4double sinSqrTheta, 
                   G4double phi, G4double cosTheta);
  G4double SetPhi(G4double, G4double);
  
  void SystemOfRefChange(G4ThreeVector& direction0, G4ThreeVector& direction1, 
             G4ThreeVector& polarization0, G4ThreeVector& polarization1);
  
  // Doppler Broadening
 
  G4ShellData shellData;
  G4DopplerProfile profileData;
 
  G4LivermorePolarizedComptonModel & operator=(const  G4LivermorePolarizedComptonModel &right);
  G4LivermorePolarizedComptonModel(const  G4LivermorePolarizedComptonModel&);
 
};
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
#endif