G4PenelopeComptonModel.hh

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// $Id: G4PenelopeComptonModel.hh 74626 2013-10-17 07:00:59Z gcosmo $
//
// Author: Luciano Pandola
//
// History:
// -----------
// 15 Feb 2010   L. Pandola   1st implementation. 
// 18 Mar 2010   L. Pandola   Removed GetAtomsPerMolecule(), now demanded 
//                            to G4PenelopeOscillatorManager
// 24 May 2011   L. Pandola   Renamed (make v2008 as default Penelope)
// 10 Jun 2011   L. Pandola   Migrated to the new AtomDeexcitation interface
// 09 Oct 2013   L. Pandola   Migration to MT
//
// -------------------------------------------------------------------
//*
// Class description:
// Low Energy Electromagnetic Physics, Compton Scattering
// with Penelope Model, version 2008
// -------------------------------------------------------------------

#ifndef G4PENELOPECOMPTONMODEL_HH
#define G4PENELOPECOMPTONMODEL_HH 1

#include "globals.hh"
#include "G4VEmModel.hh"
#include "G4DataVector.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4AtomicTransitionManager.hh"
#include "G4VAtomDeexcitation.hh"

class G4ParticleDefinition;
class G4DynamicParticle;
class G4MaterialCutsCouple;
class G4Material;
class G4PenelopeOscillatorManager;
class G4PenelopeOscillator;

class G4PenelopeComptonModel : public G4VEmModel 
{

public:
  
  G4PenelopeComptonModel(const G4ParticleDefinition* p=0,
       const G4String& processName ="PenCompton");
  
  virtual ~G4PenelopeComptonModel();

  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
  virtual void InitialiseLocal(const G4ParticleDefinition*,
                               G4VEmModel *masterModel);

  virtual G4double CrossSectionPerVolume(const G4Material*,
                                         const G4ParticleDefinition*,
                                         G4double kineticEnergy,
                                         G4double cutEnergy = 0.0,
                                         G4double maxEnergy = DBL_MAX);
  
  //This is a dummy method. Never inkoved by the tracking, it just issues 
  //a warning if one tries to get Cross Sections per Atom via the 
  //G4EmCalculator.
  virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
                                              G4double,
                                              G4double,
                                              G4double,
                                              G4double,
                                              G4double);

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

  void SetVerbosityLevel(G4int lev){verboseLevel = lev;};
  G4int GetVerbosityLevel(){return verboseLevel;};


protected:
  G4ParticleChangeForGamma* fParticleChange;
  const G4ParticleDefinition* fParticle;

private:
  void SetParticle(const G4ParticleDefinition*);

  //Differential cross section which is numerically integrated
  G4double DifferentialCrossSection (G4double cdt,G4double energy,
             G4PenelopeOscillator* osc);

  G4double OscillatorTotalCrossSection(G4double energy,
               G4PenelopeOscillator* osc);

  G4double KleinNishinaCrossSection(G4double energy,const G4Material*);

  G4PenelopeComptonModel & operator=(const G4PenelopeComptonModel &right);
  G4PenelopeComptonModel(const G4PenelopeComptonModel&);

  //Intrinsic energy limits of the model: 
  //cannot be extended by the parent process
  G4double fIntrinsicLowEnergyLimit;
  G4double fIntrinsicHighEnergyLimit;

  G4int verboseLevel;

  G4bool isInitialised;

  G4VAtomDeexcitation*             fAtomDeexcitation;
  const G4AtomicTransitionManager* fTransitionManager;
  
  G4PenelopeOscillatorManager* oscManager;


};

#endif