Geant4 Cross Reference

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Geant4/processes/hadronic/models/binary_cascade/src/G4ProtonField.cc

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Diff markup

Differences between /processes/hadronic/models/binary_cascade/src/G4ProtonField.cc (Version 11.3.0) and /processes/hadronic/models/binary_cascade/src/G4ProtonField.cc (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 // -------------------------------------------    
 28 //      GEANT 4 class implementation file         
 29 //                                                
 30 //      CERN, Geneva, Switzerland                 
 31 //                                                
 32 //      File name:     G4ProtonField.cc           
 33 //                                                
 34 //      Author:        Alessandro Brunengo (Al    
 35 //                                                
 36 //      Creation date: 5 June 2000                
 37 // -------------------------------------------    
 38                                                   
 39 #include "G4ProtonField.hh"                       
 40 #include "G4PhysicalConstants.hh"                 
 41 #include "G4SystemOfUnits.hh"                     
 42 #include "G4VNuclearDensity.hh"                   
 43 #include "G4FermiMomentum.hh"                     
 44 #include "G4V3DNucleus.hh"                        
 45 #include "G4Pow.hh"                               
 46                                                   
 47 G4ProtonField::G4ProtonField(G4V3DNucleus * aN    
 48    G4VNuclearField(aNucleus), theDensity(theNu    
 49 {                                                 
 50   theA = theNucleus->GetMassNumber();             
 51   theZ = theNucleus->GetCharge();                 
 52   theBarrier = GetBarrier();                      
 53   theRadius = 2.*theNucleus->GetOuterRadius();    
 54   theFermi.Init(theA, theZ);                      
 55   for (G4double aR=0.;aR<theRadius; aR+=0.3*fe    
 56   {                                               
 57     G4ThreeVector aPosition(0,0,aR);              
 58     G4double density = GetDensity(aPosition);     
 59     G4double fermiMom = GetFermiMomentum(densi    
 60     theFermiMomBuffer.push_back(fermiMom);        
 61   }                                               
 62   {                                               
 63   G4ThreeVector aPosition(0,0,theRadius);         
 64   G4double density = GetDensity(aPosition);       
 65   G4double fermiMom = GetFermiMomentum(density    
 66   theFermiMomBuffer.push_back(fermiMom);          
 67   }                                               
 68   {                                               
 69   G4ThreeVector aPosition(0,0,theRadius+0.001*    
 70   theFermiMomBuffer.push_back(0);                 
 71   }                                               
 72   {                                               
 73   G4ThreeVector aPosition(0,0,1.*m);              
 74   theFermiMomBuffer.push_back(0);                 
 75   }                                               
 76 }                                                 
 77                                                   
 78                                                   
 79 G4ProtonField::~G4ProtonField()                   
 80 { }                                               
 81                                                   
 82 G4double G4ProtonField::GetField(const G4Three    
 83 {                                                 
 84 //G4cout << " Fermi Potential " << (fermiMom*f    
 85   G4double x = aPosition.mag();                   
 86   unsigned int index = static_cast<unsigned in    
 87   if((index+2) > theFermiMomBuffer.size()) ret    
 88   G4double y1 = theFermiMomBuffer[index];         
 89   G4double y2 = theFermiMomBuffer[index+1];       
 90   G4double x1 = (0.3*fermi)*index;                
 91   G4double x2 = (0.3*fermi)*(index+1);            
 92   G4double fermiMom = y1 + (x-x1)*(y2-y1)/(x2-    
 93   G4double y = -1*(fermiMom*fermiMom)/(2*proto    
 94 //  G4cout <<" Protonfield test "<<index<<" "<    
 95   return y;                                       
 96 }                                                 
 97                                                   
 98 G4double G4ProtonField::GetBarrier()              
 99 {                                                 
100   G4double coulombBarrier = (1.44/1.14) * MeV     
101 //GF   G4double bindingEnergy = G4NucleiProper    
102   G4double bindingEnergy =0;                      
103 /*                                                
104  *   G4cout << " coulombBarrier/bindingEnergy     
105  *     << coulombBarrier << " /" << bindingEne    
106  */                                               
107   return bindingEnergy/theA+coulombBarrier;       
108 }                                                 
109