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Geant4/processes/hadronic/stopping/src/G4ElementSelector.cc

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Differences between /processes/hadronic/stopping/src/G4ElementSelector.cc (Version 11.3.0) and /processes/hadronic/stopping/src/G4ElementSelector.cc (Version 10.7.p1)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                         3 // * License and Disclaimer                                           *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th      5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided      6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License      7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/      8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.           9 // * include a list of copyright holders.                             *
 10 // *                                               10 // *                                                                  *
 11 // * Neither the authors of this software syst     11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file      15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitatio     16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                               17 // *                                                                  *
 18 // * This  code  implementation is the result      18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboratio     19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distri     20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  ag     21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publicati     22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Sof     23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // *******************************************     24 // ********************************************************************
 25 //                                                 25 //
 26 //                                                 26 //
 27 // File: G4ElementSelector                         27 // File: G4ElementSelector
 28 //                                                 28 //
 29 // Author:        V.Ivanchenko (Vladimir.Ivanc     29 // Author:        V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
 30 //                                                 30 // 
 31 // Creation date: 2 April 2000                     31 // Creation date: 2 April 2000
 32 //                                                 32 //
 33 // Modifications:                                  33 // Modifications: 
 34 // 18/08/2000  V.Ivanchenko Update description     34 // 18/08/2000  V.Ivanchenko Update description
 35 // 17/05/2006  V.Ivanchenko Cleanup                35 // 17/05/2006  V.Ivanchenko Cleanup
 36 // 02/10/2007  V.Ivanchenko Fixed typo in comp     36 // 02/10/2007  V.Ivanchenko Fixed typo in computation of Lambda-factor
 37 //                          proposed by Victor     37 //                          proposed by Victor Pec 
 38 //                                                 38 //
 39 //--------------------------------------------     39 //---------------------------------------------------------------------
 40                                                    40 
 41 #include "G4ElementSelector.hh"                    41 #include "G4ElementSelector.hh"
 42 #include "Randomize.hh"                            42 #include "Randomize.hh" 
 43 #include "G4Material.hh"                           43 #include "G4Material.hh"
 44 #include "G4Nucleus.hh"                            44 #include "G4Nucleus.hh"
 45                                                    45 
 46 //....oooOO0OOooo........oooOO0OOooo........oo     46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 47                                                    47 
 48 G4ElementSelector::G4ElementSelector()             48 G4ElementSelector::G4ElementSelector()
 49 {}                                                 49 {}
 50                                                    50 
 51 //....oooOO0OOooo........oooOO0OOooo........oo     51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 52                                                    52 
 53 G4ElementSelector::~G4ElementSelector()            53 G4ElementSelector::~G4ElementSelector()
 54 {}                                                 54 {}
 55                                                    55 
 56 //....oooOO0OOooo........oooOO0OOooo........oo     56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 57                                                    57 
 58 const G4Element*                               <<  58 G4Element* 
 59 G4ElementSelector::SelectZandA(const G4Track&      59 G4ElementSelector::SelectZandA(const G4Track& track, G4Nucleus* target)
 60 {                                                  60 {
 61   // Fermi-Teller Z-low of mu- capture and exc     61   // Fermi-Teller Z-low of mu- capture and exceptions 
 62   // for halogens and oxigen.                      62   // for halogens and oxigen.
 63   // N.C.Mukhopadhyay Phys. Rep. 30 (1977) 1.      63   // N.C.Mukhopadhyay Phys. Rep. 30 (1977) 1.
 64                                                    64 
 65   std::size_t i = 0;                           <<  65   size_t i = 0;
 66   const G4Material* mat = track.GetMaterial();     66   const G4Material* mat = track.GetMaterial();
 67   std::size_t numberOfElements = mat->GetNumbe <<  67   size_t numberOfElements = mat->GetNumberOfElements();
 68   const G4ElementVector* theElementVector = ma     68   const G4ElementVector* theElementVector = mat->GetElementVector();
 69                                                    69 
 70   if(1 < numberOfElements) {                       70   if(1 < numberOfElements) {
 71     if(numberOfElements > prob.size()) { prob.     71     if(numberOfElements > prob.size()) { prob.resize(numberOfElements, 0.0); }
 72                                                    72     
 73     const G4double* theAtomNumDensity = mat->G     73     const G4double* theAtomNumDensity = mat->GetAtomicNumDensityVector();
 74                                                    74 
 75     G4double sum = 0.0;                            75     G4double sum = 0.0;
 76     for (i=0; i < numberOfElements; ++i) {         76     for (i=0; i < numberOfElements; ++i) {
 77                                                    77 
 78       G4int Z = (*theElementVector)[i]->GetZas <<  78       G4int Z = G4lrint((*theElementVector)[i]->GetZ()); 
 79                                                    79 
 80       // Halogens                                  80       // Halogens
 81       if( (9 == Z) || (17 == Z) || (35 == Z) |     81       if( (9 == Z) || (17 == Z) || (35 == Z) || (53 == Z) || (85 == Z) ) {
 82   sum += 0.66 * Z * theAtomNumDensity[i];          82   sum += 0.66 * Z * theAtomNumDensity[i]; 
 83                                                    83 
 84   // Oxigen                                        84   // Oxigen
 85       } else if( 8 == Z ) {                        85       } else if( 8 == Z ) {
 86   sum += 0.56 * Z * theAtomNumDensity[i];          86   sum += 0.56 * Z * theAtomNumDensity[i]; 
 87                                                    87 
 88   // Others                                        88   // Others
 89       } else {                                     89       } else {
 90   sum += Z * theAtomNumDensity[i];                 90   sum += Z * theAtomNumDensity[i]; 
 91       }                                            91       }
 92       prob[i] = sum;                               92       prob[i] = sum;
 93     }                                              93     }
 94                                                    94  
 95     sum *= G4UniformRand();                        95     sum *= G4UniformRand();
 96     for (i=0; i < numberOfElements; ++i) {         96     for (i=0; i < numberOfElements; ++i) {
 97       if(sum <= prob[i]) { break; }                97       if(sum <= prob[i]) { break; }
 98     }                                              98     }
 99   }                                                99   }
100                                                   100   
101   const G4Element* elm = (*theElementVector)[i << 101   G4Element* elm = (*theElementVector)[i];
102   G4int Z = elm->GetZasInt();                  << 102   G4int Z = G4lrint(elm->GetZ());
103                                                   103 
104   // select isotope                               104   // select isotope
105   const G4IsotopeVector* isv = elm->GetIsotope    105   const G4IsotopeVector* isv = elm->GetIsotopeVector();
106   std::size_t ni = isv->size();                << 106   size_t ni = isv->size();
107   i = 0;                                          107   i = 0;
108                                                   108 
109   if(1 < ni) {                                    109   if(1 < ni) {
110                                                   110 
111     const G4double* ab = elm->GetRelativeAbund    111     const G4double* ab = elm->GetRelativeAbundanceVector();
112     G4double y = G4UniformRand();                 112     G4double y = G4UniformRand();
113     for(i=0; i<ni; ++i) {                         113     for(i=0; i<ni; ++i) {
114       y -= ab[i];                                 114       y -= ab[i];
115       if(y <= 0.0) { break; }                     115       if(y <= 0.0) { break; }
116     }                                             116     }
117   }                                               117   }
118                                                   118 
119   G4int A = elm->GetIsotope((G4int)i)->GetN(); << 119   G4int A = elm->GetIsotope(i)->GetN();
120   target->SetParameters(A, Z);                    120   target->SetParameters(A, Z);
121                                                   121 
122   return elm;                                     122   return elm;
123 }                                                 123 }
                                                   >> 124 
124                                                   125