| Geant4 Cross Reference |
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25 //
26 //
27 //
28 //
29 // History:
30 // -----------
31 // 29 Apr 2009 ALF 1st implementation
32 // 15 Mar 2011 ALF introduced the usage of G4AtomicShellEnumerator
33 // 09 Mar 2012 LP updated methods
34 //
35 #include "globals.hh"
36 #include "G4empCrossSection.hh"
37 #include "G4Proton.hh"
38
39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
40 G4empCrossSection::G4empCrossSection(const G4String& nam)
41 :G4VhShellCrossSection(nam),totalCS(0.0)
42 {
43 if (nam == "Empirical")
44 {
45 paulShellK = new G4PaulKxsModel();
46 orlicShellLi = new G4OrlicLiXsModel();
47 flag=0;
48 }
49 else
50 {
51 G4cout << "G4empCrossSection::G4empCrossSection: "
52 << "ERROR in G4empCrossSection name; Paul+Orlic is selected."
53 << G4endl;
54 paulShellK = new G4PaulKxsModel();
55 orlicShellLi = new G4OrlicLiXsModel();
56 flag=0;
57 }
58 }
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61
62 G4empCrossSection::~G4empCrossSection()
63 {
64 delete paulShellK;
65 delete orlicShellLi;
66 }
67
68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69
70 std::vector<G4double> G4empCrossSection::GetCrossSection(G4int Z,
71 G4double incidentEnergy,
72 G4double mass,
73 G4double,
74 const G4Material*)
75 {
76 std::vector<G4double> crossSections;
77 G4ParticleDefinition* aProton = G4Proton::Proton();
78
79 crossSections.push_back( paulShellK->CalculateKCrossSection(Z, mass, incidentEnergy) );
80
81 // this check should be done in the Orlic class, that can handle only protons;
82 // however this would lead up tp three checks of the mass, while here we have only one
83 // moreover, at the present time,this class handles explicitly Paul and Orlic models,
84 // so it can hadle the responsibility of this check too
85
86 if (mass == aProton->GetPDGMass()) {
87
88 if (flag==0)
89 {
90 crossSections.push_back( orlicShellLi->CalculateL1CrossSection(Z, incidentEnergy) );
91 crossSections.push_back( orlicShellLi->CalculateL2CrossSection(Z, incidentEnergy) );
92 crossSections.push_back( orlicShellLi->CalculateL3CrossSection(Z, incidentEnergy) );
93 }
94
95 }
96 else {
97 crossSections.push_back( 0. );
98 crossSections.push_back( 0. );
99 crossSections.push_back( 0. );
100 }
101 return crossSections;
102
103 }
104
105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
106
107 G4double G4empCrossSection::CrossSection(G4int Z, G4AtomicShellEnumerator shell,
108 G4double incidentEnergy,
109 G4double mass,
110 const G4Material*)
111 {
112 G4double res = 0.0;
113 G4ParticleDefinition* aProton = G4Proton::Proton();
114
115 if(fKShell == shell) {
116 res = paulShellK->CalculateKCrossSection(Z, mass, incidentEnergy);
117 }
118 // this check should be done in the Orlic class, that can handle only protons;
119 // however this would lead up tp three checks of the mass, while here we have only one
120 // moreover, at the present time,this class handles explicitly Paul and Orlic models,
121 // so it can hadle the responsibility of this check too
122
123 else if (mass == aProton->GetPDGMass()) {
124
125 if(fL1Shell == shell) {
126 if (flag==0) res = orlicShellLi->CalculateL1CrossSection(Z, incidentEnergy);
127 }
128 else if(fL2Shell == shell) {
129 if (flag==0) res = orlicShellLi->CalculateL2CrossSection(Z, incidentEnergy);
130 }
131 else if(fL3Shell == shell) {
132 if (flag==0) res = orlicShellLi->CalculateL3CrossSection(Z, incidentEnergy);
133 }
134 }
135 return res;
136 }
137
138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
139
140 std::vector<G4double> G4empCrossSection::Probabilities(G4int Z,
141 G4double incidentEnergy,
142 G4double mass,
143 G4double deltaEnergy,
144 const G4Material* mat)
145 {
146 std::vector<G4double> crossSections = GetCrossSection(Z, incidentEnergy, mass, deltaEnergy,mat);
147
148 for (size_t i=0; i<crossSections.size(); i++ ) {
149
150 if (totalCS) {
151 crossSections[i] = crossSections[i]/totalCS;
152 }
153
154 }
155 return crossSections;
156 }
157
158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
159
160 void G4empCrossSection::SetTotalCS(G4double val){
161
162 totalCS = val;
163
164 }
165
166
167
168