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geant4/source/processes/electromagnetic/lowenergy/include/G4UAtomicDeexcitation.hh
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// -------------------------------------------------------------------
//
// Geant4 Header G4UAtomicDeexcitation
//
// Authors: Alfonso Mantero (Alfonso.Mantero@ge.infn.it)
//
// Created 22 April 2010 from old G4AtomicDeexcitation class
//
// Modified:
// ---------
//
//
// -------------------------------------------------------------------
//
// Class description:
// Implementation of atomic deexcitation
//
// -------------------------------------------------------------------
#ifndef G4UAtomicDeexcitation_h
#define G4UAtomicDeexcitation_h 1
#include "G4VAtomDeexcitation.hh"
#include "G4AtomicShell.hh"
#include "globals.hh"
#include "G4DynamicParticle.hh"
#include <vector>
class G4AtomicTransitionManager;
class G4VhShellCrossSection;
class G4EmCorrections;
class G4Material;
class G4UAtomicDeexcitation : public G4VAtomDeexcitation
{
public:
G4UAtomicDeexcitation();
~G4UAtomicDeexcitation() override;
//=================================================================
// methods that are requested to be implemented by the interface
//=================================================================
/// initialisation methods
void InitialiseForNewRun() override;
void InitialiseForExtraAtom(G4int Z) override;
/// Set threshold energy for fluorescence
void SetCutForSecondaryPhotons(G4double cut);
/// Set threshold energy for Auger electron production
void SetCutForAugerElectrons(G4double cut);
/// Get atomic shell by shell index, used by discrete processes
/// (for example, photoelectric), when shell vacancy sampled by the model
const G4AtomicShell* GetAtomicShell(G4int Z,
G4AtomicShellEnumerator shell) override;
/// generation of deexcitation for given atom, shell vacancy and cuts
void GenerateParticles(std::vector<G4DynamicParticle*>* secVect,
const G4AtomicShell*,
G4int Z,
G4double gammaCut,
G4double eCut) override;
/// access or compute PIXE cross section
G4double GetShellIonisationCrossSectionPerAtom(const G4ParticleDefinition*,
G4int Z,
G4AtomicShellEnumerator shell,
G4double kinE,
const G4Material* mat = nullptr) override;
/// access or compute PIXE cross section
G4double ComputeShellIonisationCrossSectionPerAtom(const G4ParticleDefinition*,
G4int Z,
G4AtomicShellEnumerator shell,
G4double kinE,
const G4Material* mat = nullptr) override;
G4UAtomicDeexcitation(G4UAtomicDeexcitation &) = delete;
G4UAtomicDeexcitation & operator=(const G4UAtomicDeexcitation &right) = delete;
private:
/// Decides wether a radiative transition is possible and, if it is,
/// returns the identity of the starting shell for the transition
G4int SelectTypeOfTransition(G4int Z, G4int shellId);
/// Generates a particle from a radiative transition and returns it
G4DynamicParticle* GenerateFluorescence(G4int Z, G4int shellId,
G4int provShellId);
/// Generates a particle from a non-radiative transition and returns it
G4DynamicParticle* GenerateAuger(G4int Z, G4int shellId);
///Auger cascade by Burkhant Suerfu on March 24 2015 (Bugzilla 1727)
///Generates auger electron cascade.
G4DynamicParticle* GenerateAuger(G4int Z, G4int shellId, G4int& newAugerShellId);
G4AtomicTransitionManager* transitionManager;
/// Data member for the calculation of the proton and alpha ionisation XS
G4VhShellCrossSection* PIXEshellCS;
G4VhShellCrossSection* anaPIXEshellCS;
G4VhShellCrossSection* ePIXEshellCS;
G4EmCorrections* emcorr;
const G4ParticleDefinition* theElectron;
const G4ParticleDefinition* thePositron;
//Auger cascade by Burkhant Suerfu on March 24 2015 (Bugzilla 1727)
//Data member to keep track of cascading vacancies.
std::vector<int> vacancyArray;
/// Data member which stores the shells to be filled by
/// the radiative transition
G4double minGammaEnergy;
G4double minElectronEnergy;
G4int newShellId;
};
#endif