| Geant4 Cross Reference |
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 // $Id: G4ElementSelector.cc 66367 2012-12-18 09:18:08Z gcosmo $
26 // 27 //
27 // File: G4ElementSelector 28 // File: G4ElementSelector
28 // 29 //
29 // Author: V.Ivanchenko (Vladimir.Ivanc 30 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
30 // 31 //
31 // Creation date: 2 April 2000 32 // Creation date: 2 April 2000
32 // 33 //
33 // Modifications: 34 // Modifications:
34 // 18/08/2000 V.Ivanchenko Update description 35 // 18/08/2000 V.Ivanchenko Update description
35 // 17/05/2006 V.Ivanchenko Cleanup 36 // 17/05/2006 V.Ivanchenko Cleanup
36 // 02/10/2007 V.Ivanchenko Fixed typo in comp 37 // 02/10/2007 V.Ivanchenko Fixed typo in computation of Lambda-factor
37 // proposed by Victor 38 // proposed by Victor Pec
38 // 39 //
39 //-------------------------------------------- 40 //---------------------------------------------------------------------
40 41
41 #include "G4ElementSelector.hh" 42 #include "G4ElementSelector.hh"
42 #include "Randomize.hh" 43 #include "Randomize.hh"
43 #include "G4Material.hh" 44 #include "G4Material.hh"
44 #include "G4Nucleus.hh" 45 #include "G4Nucleus.hh"
45 46
46 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 48
48 G4ElementSelector::G4ElementSelector() 49 G4ElementSelector::G4ElementSelector()
49 {} 50 {}
50 51
51 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
52 53
53 G4ElementSelector::~G4ElementSelector() 54 G4ElementSelector::~G4ElementSelector()
54 {} 55 {}
55 56
56 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
57 58
58 const G4Element* << 59 G4Element*
59 G4ElementSelector::SelectZandA(const G4Track& 60 G4ElementSelector::SelectZandA(const G4Track& track, G4Nucleus* target)
60 { 61 {
61 // Fermi-Teller Z-low of mu- capture and exc 62 // Fermi-Teller Z-low of mu- capture and exceptions
62 // for halogens and oxigen. 63 // for halogens and oxigen.
63 // N.C.Mukhopadhyay Phys. Rep. 30 (1977) 1. 64 // N.C.Mukhopadhyay Phys. Rep. 30 (1977) 1.
64 65
65 std::size_t i = 0; << 66 size_t i = 0;
66 const G4Material* mat = track.GetMaterial(); 67 const G4Material* mat = track.GetMaterial();
67 std::size_t numberOfElements = mat->GetNumbe << 68 size_t numberOfElements = mat->GetNumberOfElements();
68 const G4ElementVector* theElementVector = ma 69 const G4ElementVector* theElementVector = mat->GetElementVector();
69 70
70 if(1 < numberOfElements) { 71 if(1 < numberOfElements) {
71 if(numberOfElements > prob.size()) { prob. 72 if(numberOfElements > prob.size()) { prob.resize(numberOfElements, 0.0); }
72 73
73 const G4double* theAtomNumDensity = mat->G 74 const G4double* theAtomNumDensity = mat->GetAtomicNumDensityVector();
74 75
75 G4double sum = 0.0; 76 G4double sum = 0.0;
76 for (i=0; i < numberOfElements; ++i) { 77 for (i=0; i < numberOfElements; ++i) {
77 78
78 G4int Z = (*theElementVector)[i]->GetZas << 79 G4int Z = G4lrint((*theElementVector)[i]->GetZ());
79 80
80 // Halogens 81 // Halogens
81 if( (9 == Z) || (17 == Z) || (35 == Z) | 82 if( (9 == Z) || (17 == Z) || (35 == Z) || (53 == Z) || (85 == Z) ) {
82 sum += 0.66 * Z * theAtomNumDensity[i]; 83 sum += 0.66 * Z * theAtomNumDensity[i];
83 84
84 // Oxigen 85 // Oxigen
85 } else if( 8 == Z ) { 86 } else if( 8 == Z ) {
86 sum += 0.56 * Z * theAtomNumDensity[i]; 87 sum += 0.56 * Z * theAtomNumDensity[i];
87 88
88 // Others 89 // Others
89 } else { 90 } else {
90 sum += Z * theAtomNumDensity[i]; 91 sum += Z * theAtomNumDensity[i];
91 } 92 }
92 prob[i] = sum; 93 prob[i] = sum;
93 } 94 }
94 95
95 sum *= G4UniformRand(); 96 sum *= G4UniformRand();
96 for (i=0; i < numberOfElements; ++i) { 97 for (i=0; i < numberOfElements; ++i) {
97 if(sum <= prob[i]) { break; } 98 if(sum <= prob[i]) { break; }
98 } 99 }
99 } 100 }
100 101
101 const G4Element* elm = (*theElementVector)[i << 102 G4Element* elm = (*theElementVector)[i];
102 G4int Z = elm->GetZasInt(); << 103 G4int Z = G4lrint(elm->GetZ());
103 104
104 // select isotope 105 // select isotope
105 const G4IsotopeVector* isv = elm->GetIsotope 106 const G4IsotopeVector* isv = elm->GetIsotopeVector();
106 std::size_t ni = isv->size(); << 107 size_t ni = isv->size();
107 i = 0; 108 i = 0;
108 109
109 if(1 < ni) { 110 if(1 < ni) {
110 111
111 const G4double* ab = elm->GetRelativeAbund 112 const G4double* ab = elm->GetRelativeAbundanceVector();
112 G4double y = G4UniformRand(); 113 G4double y = G4UniformRand();
113 for(i=0; i<ni; ++i) { 114 for(i=0; i<ni; ++i) {
114 y -= ab[i]; 115 y -= ab[i];
115 if(y <= 0.0) { break; } 116 if(y <= 0.0) { break; }
116 } 117 }
117 } 118 }
118 119
119 G4int A = elm->GetIsotope((G4int)i)->GetN(); << 120 G4int A = elm->GetIsotope(i)->GetN();
120 target->SetParameters(A, Z); 121 target->SetParameters(A, Z);
121 122
122 return elm; 123 return elm;
123 } 124 }
>> 125
124 126