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Geant4/processes/electromagnetic/adjoint/include/G4AdjointPhotoElectricModel.hh

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Differences between /processes/electromagnetic/adjoint/include/G4AdjointPhotoElectricModel.hh (Version 11.3.0) and /processes/electromagnetic/adjoint/include/G4AdjointPhotoElectricModel.hh (Version 3.1)


  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
 10 // *                                              
 11 // * Neither the authors of this software syst    
 12 // * institutes,nor the agencies providing fin    
 13 // * work  make  any representation or  warran    
 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 //////////////////////////////////////////////    
 27 //  Class:   G4AdjointPhotoElectricModel          
 28 //  Author:         L. Desorgher                  
 29 //  Organisation:   SpaceIT GmbH                  
 30 //                                                
 31 //  Model for the adjoint photo electric proce    
 32 //  Put a higher limit on the CS to avoid a hi    
 33 //  at low energy. The very high adjoint CS of    
 34 //  reaction produce a high rate of reverse ph    
 35 //  side of a shielding for eaxmple, the corre    
 36 //  correction in the StepDoIt method is not s    
 37 //  energy. The problem is partially solved by    
 38 //  compensating it by an extra weight correct    
 39 //  it with other reverse processes the revers    
 40 //  source of very occasional high weights tha    
 41 //  computation. A way to solve this problemn     
 42 //  to find as it happens in rare cases but do    
 43 //  the normal distribution. (Very Tricky!)       
 44 //                                                
 45 //////////////////////////////////////////////    
 46                                                   
 47 #ifndef G4AdjointPhotoElectricModel_h             
 48 #define G4AdjointPhotoElectricModel_h 1           
 49                                                   
 50 #include "globals.hh"                             
 51 #include "G4VEmAdjointModel.hh"                   
 52                                                   
 53 class G4AdjointPhotoElectricModel : public G4V    
 54 {                                                 
 55  public:                                          
 56   G4AdjointPhotoElectricModel();                  
 57   ~G4AdjointPhotoElectricModel() override;        
 58                                                   
 59   void SampleSecondaries(const G4Track& aTrack    
 60                          G4ParticleChange* fPa    
 61                                                   
 62   G4double AdjointCrossSection(const G4Materia    
 63                                G4double primEn    
 64                                G4bool isScatPr    
 65                                                   
 66   G4double AdjointCrossSectionPerAtom(const G4    
 67                                       G4double    
 68                                                   
 69   G4AdjointPhotoElectricModel(G4AdjointPhotoEl    
 70   G4AdjointPhotoElectricModel& operator=(         
 71     const G4AdjointPhotoElectricModel& right)     
 72                                                   
 73  protected:                                       
 74   void CorrectPostStepWeight(G4ParticleChange*    
 75                              G4double old_weig    
 76                              G4double projecti    
 77                              G4bool isScatProj    
 78                                                   
 79  private:                                         
 80   void DefineCurrentMaterialAndElectronEnergy(    
 81     const G4MaterialCutsCouple* aCouple, G4dou    
 82                                                   
 83   G4double fShellProb[40][40];                    
 84   G4double fXsec[40];                             
 85   G4double fTotAdjointCS      = 0.;               
 86   G4double fFactorCSBiasing   = 1.;               
 87   G4double fPreStepAdjointCS  = 0.;               
 88   G4double fPostStepAdjointCS = 0.;               
 89   G4double fCurrenteEnergy    = 0.;               
 90                                                   
 91   size_t fIndexElement = 0;                       
 92 };                                                
 93                                                   
 94 #endif                                            
 95