//
// ********************************************************************
// * 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: G4PolarizedComptonScattering.hh,v 1.9 2006/06/29 19:51:14 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// --------- G4PolarizedComptonScattering physics process ----------------------
//                   by Vicente Lara, March 1998
//
// -----------------------------------------------------------------------------

// class description
//
// inherit from G4ComptonScattering
//

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

#ifndef G4PolarizedComptonScattering_h
#define G4PolarizedComptonScattering_h 1

#include "G4ComptonScattering52.hh"
#include "G4EnergyLossTables.hh"

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

class G4PolarizedComptonScattering : public G4ComptonScattering52
{
 public:  // with description

  G4PolarizedComptonScattering(const G4String& processName = "polarCompt");

  G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);

 private:
  
  G4ThreeVector SetNewPolarization(G4double, G4double,
  				   G4double, G4double,
  				   G4ThreeVector& );

  G4double SetPhi(G4double, G4double, G4double, G4double);


  void SystemOfRefChange(G4ThreeVector&, G4ThreeVector&, G4ThreeVector&, 
                         G4ThreeVector&);

  // hide assignment operator as private 
  G4PolarizedComptonScattering& operator=(const G4PolarizedComptonScattering &right);
  G4PolarizedComptonScattering(const G4PolarizedComptonScattering& );

};
  
#endif
 
