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Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id: G4UAtomicDeexcitation.cc,v 1.11 00027 // GEANT4 tag $Name: not supported by cvs2svn $ 00028 // 00029 // ------------------------------------------------------------------- 00030 // 00031 // Geant4 Header G4UAtomicDeexcitation 00032 // 00033 // Authors: Alfonso Mantero (Alfonso.Mantero@ge.infn.it) 00034 // 00035 // Created 22 April 2010 from old G4AtomicDeexcitation class 00036 // 00037 // Modified: 00038 // --------- 00039 // 00040 // 00041 // ------------------------------------------------------------------- 00042 // 00043 // Class description: 00044 // Implementation of atomic deexcitation 00045 // 00046 // ------------------------------------------------------------------- 00047 00048 #ifndef G4UAtomicDeexcitation_h 00049 #define G4UAtomicDeexcitation_h 1 00050 00051 #include "G4VAtomDeexcitation.hh" 00052 #include "G4AtomicShell.hh" 00053 #include "globals.hh" 00054 #include "G4DynamicParticle.hh" 00055 #include <vector> 00056 00057 class G4AtomicTransitionManager; 00058 class G4VhShellCrossSection; 00059 class G4EmCorrections; 00060 class G4Material; 00061 00062 class G4UAtomicDeexcitation : public G4VAtomDeexcitation 00063 { 00064 public: 00065 00066 G4UAtomicDeexcitation(); 00067 virtual ~G4UAtomicDeexcitation(); 00068 00069 //================================================================= 00070 // methods that are requested to be implemented by the interface 00071 //================================================================= 00072 00073 // initialisation methods 00074 virtual void InitialiseForNewRun(); 00075 virtual void InitialiseForExtraAtom(G4int Z); 00076 00077 00078 // Set threshold energy for fluorescence 00079 void SetCutForSecondaryPhotons(G4double cut); 00080 00081 // Set threshold energy for Auger electron production 00082 void SetCutForAugerElectrons(G4double cut); 00083 00084 00085 // Get atomic shell by shell index, used by discrete processes 00086 // (for example, photoelectric), when shell vacancy sampled by the model 00087 virtual 00088 const G4AtomicShell* GetAtomicShell(G4int Z, 00089 G4AtomicShellEnumerator shell); 00090 00091 // generation of deexcitation for given atom, shell vacancy and cuts 00092 virtual void GenerateParticles(std::vector<G4DynamicParticle*>* secVect, 00093 const G4AtomicShell*, 00094 G4int Z, 00095 G4double gammaCut, 00096 G4double eCut); 00097 00098 // access or compute PIXE cross section 00099 virtual 00100 G4double GetShellIonisationCrossSectionPerAtom(const G4ParticleDefinition*, 00101 G4int Z, 00102 G4AtomicShellEnumerator shell, 00103 G4double kinE, 00104 const G4Material* mat = 0); 00105 00106 // access or compute PIXE cross section 00107 virtual 00108 G4double ComputeShellIonisationCrossSectionPerAtom(const G4ParticleDefinition*, 00109 G4int Z, 00110 G4AtomicShellEnumerator shell, 00111 G4double kinE, 00112 const G4Material* mat = 0); 00113 00114 //================================================================= 00115 // concrete methods of the deextation class 00116 //================================================================= 00117 00118 private: 00119 00120 // Decides wether a radiative transition is possible and, if it is, 00121 // returns the identity of the starting shell for the transition 00122 G4int SelectTypeOfTransition(G4int Z, G4int shellId); 00123 00124 // Generates a particle from a radiative transition and returns it 00125 G4DynamicParticle* GenerateFluorescence(G4int Z, G4int shellId, 00126 G4int provShellId); 00127 00128 // Generates a particle from a non-radiative transition and returns it 00129 G4DynamicParticle* GenerateAuger(G4int Z, G4int shellId); 00130 00131 // copy constructor and hide assignment operator 00132 G4UAtomicDeexcitation(G4UAtomicDeexcitation &); 00133 G4UAtomicDeexcitation & operator=(const G4UAtomicDeexcitation &right); 00134 00135 const G4AtomicTransitionManager* transitionManager; 00136 00137 // Data member which stores the shells to be filled by 00138 // the radiative transition 00139 G4int newShellId; 00140 00141 G4double minGammaEnergy; 00142 G4double minElectronEnergy; 00143 00144 // Data member wich stores the id of the shell where is the vacancy 00145 // left from the Auger electron 00146 G4int augerVacancyId; 00147 00148 // Data member for the calculation of the proton and alpha ionisation XS 00149 00150 G4VhShellCrossSection* PIXEshellCS; 00151 G4VhShellCrossSection* anaPIXEshellCS; 00152 G4VhShellCrossSection* ePIXEshellCS; 00153 G4EmCorrections* emcorr; 00154 00155 const G4ParticleDefinition* theElectron; 00156 const G4ParticleDefinition* thePositron; 00157 }; 00158 00159 #endif 00160 00161 00162 00163