G4PenelopePhotoElectricModel.hh

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//
// Author: Luciano Pandola
//
// History:
// -----------
// 08 Jan 2010   L. Pandola   1st implementation. 
// 25 May 2011   L. Pandola   Renamed (make v2008 as default Penelope)
// 10 Jun 2011   L. Pandola   Migrated to the new AtomDeexcitation interface
// 18 Sep 2013   L. Pandola   Migrated to the MT paradigm
//
// -------------------------------------------------------------------
//
// Class description:
// Low Energy Electromagnetic Physics, Photo-electric effect
// with Penelope Model, version 2008
// -------------------------------------------------------------------
 
#ifndef G4PENELOPEPHOTOELECTRICMODEL_HH
#define G4PENELOPEPHOTOELECTRICMODEL_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 G4PenelopePhotoElectricModel : public G4VEmModel 
{
public:
  explicit G4PenelopePhotoElectricModel(const G4ParticleDefinition* p=nullptr,
                    const G4String& processName ="PenPhotoElec");
  virtual ~G4PenelopePhotoElectricModel();
 
  void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
  void InitialiseLocal(const G4ParticleDefinition*,
                               G4VEmModel *masterModel) override;
 
  G4double ComputeCrossSectionPerAtom(
                      const G4ParticleDefinition*,
                      G4double kinEnergy,
                      G4double Z,
                      G4double A=0,
                      G4double cut=0,
                      G4double emax=DBL_MAX) override;
 
  void SampleSecondaries(std::vector<G4DynamicParticle*>*,
             const G4MaterialCutsCouple*,
             const G4DynamicParticle*,
             G4double tmin,
             G4double maxEnergy) override;
 
  void SetVerbosityLevel(G4int lev){fVerboseLevel = lev;};
  G4int GetVerbosityLevel(){return fVerboseLevel;};
 
  //testing purposes
  std::size_t GetNumberOfShellXS(G4int);
  G4double GetShellCrossSection(G4int Z,std::size_t shellID,G4double energy);
 
  G4PenelopePhotoElectricModel & operator=(const G4PenelopePhotoElectricModel &right) = delete;
  G4PenelopePhotoElectricModel(const G4PenelopePhotoElectricModel&) = delete;
 
protected:
  G4ParticleChangeForGamma* fParticleChange;
  const G4ParticleDefinition* fParticle;
 
private:
  void SetParticle(const G4ParticleDefinition*);
  G4double SampleElectronDirection(G4double energy);
  void ReadDataFile(G4int Z);
  std::size_t SelectRandomShell(G4int Z,G4double energy);
  G4String WriteTargetShell(std::size_t shellID);
 
  //For each Z, the PhysicsTable contains nShell+1 physics vectors
  //with log(E) vs. log(XS)
  //Element [0] of the table is the total XS, element [iS] is the 
  //partial cross section for shell iS-1
  static const G4int fMaxZ =99;
  static G4PhysicsTable* fLogAtomicShellXS[fMaxZ+1];
 
  G4VAtomDeexcitation*             fAtomDeexcitation;
  const G4AtomicTransitionManager* fTransitionManager;
 
  //Intrinsic energy limits of the model: cannot be extended by the parent process
  G4double fIntrinsicLowEnergyLimit;
  G4double fIntrinsicHighEnergyLimit;
  G4int fVerboseLevel;
  G4bool fIsInitialised; 
  //Used only for G4EmCalculator and Unit Tests
  G4bool fLocalTable;
};
 
#endif