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25 // 22 //
26 // 23 //
27 // ------------------------------------------- 24 // -------------------------------------------------------------------
28 // 25 //
29 // GEANT4 Class file 26 // GEANT4 Class file
30 // 27 //
31 // 28 //
32 // File name: G4hICRU49p 29 // File name: G4hICRU49p
33 // 30 //
34 // Author: V.Ivanchenko (Vladimir.Ivanc 31 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
35 // 32 //
36 // Creation date: 20 July 2000 33 // Creation date: 20 July 2000
37 // 34 //
38 // Modifications: 35 // Modifications:
39 // 20/07/2000 V.Ivanchenko First implementati 36 // 20/07/2000 V.Ivanchenko First implementation
40 // 18/09/2000 V.Ivanchenko clean up - all var 37 // 18/09/2000 V.Ivanchenko clean up - all variable are the same as in ICRU
41 // 03/10/2000 V.Ivanchenko clean up accoding 38 // 03/10/2000 V.Ivanchenko clean up accoding to CodeWizard
42 // 10/05/2001 V.Ivanchenko Clean up againist 39 // 10/05/2001 V.Ivanchenko Clean up againist Linux compilation with -Wall
43 // 40 //
44 // Class Description: 41 // Class Description:
45 // 42 //
46 // Electronic stopping power parametrised acco 43 // Electronic stopping power parametrised according to
47 // ICRU Report N49, 1993, for protons. 44 // ICRU Report N49, 1993, for protons.
48 // 45 //
49 // Class Description: End 46 // Class Description: End
50 // 47 //
51 // ------------------------------------------- 48 // -------------------------------------------------------------------
52 // 49 //
53 //....oooOO0OOooo........oooOO0OOooo........oo 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
54 51
55 #include "G4hICRU49p.hh" 52 #include "G4hICRU49p.hh"
56 <<
57 #include "globals.hh" <<
58 #include "G4SystemOfUnits.hh" <<
59 #include "G4UnitsTable.hh" 53 #include "G4UnitsTable.hh"
>> 54 #include "globals.hh"
60 #include "G4Material.hh" 55 #include "G4Material.hh"
61 56
62 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
63 58
64 G4hICRU49p::G4hICRU49p(): << 59 G4hICRU49p::G4hICRU49p():G4VhElectronicStoppingPower(),
65 G4VhElectronicStoppingPower(), << 60 iMolecula(0),
66 protonMassAMU(1.007276), << 61 protonMassAMU(1.007276)
67 iMolecula(0) <<
68 {;} 62 {;}
69 63
70 //....oooOO0OOooo........oooOO0OOooo........oo 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 65
72 G4hICRU49p::~G4hICRU49p() 66 G4hICRU49p::~G4hICRU49p()
73 {;} 67 {;}
74 68
75 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 70
77 G4bool G4hICRU49p::HasMaterial(const G4Materia 71 G4bool G4hICRU49p::HasMaterial(const G4Material* material)
78 { 72 {
79 G4String chFormula = material->GetChemicalFo 73 G4String chFormula = material->GetChemicalFormula() ;
80 G4String myFormula = G4String(" ") ; 74 G4String myFormula = G4String(" ") ;
81 75
82 if (myFormula == chFormula ) { 76 if (myFormula == chFormula ) {
83 if(1 == (material->GetNumberOfElements())) 77 if(1 == (material->GetNumberOfElements())) return true;
84 return false ; 78 return false ;
85 } 79 }
86 80
87 // ICRU Report N49, 1993. Power's model for 81 // ICRU Report N49, 1993. Power's model for He.
88 const G4int numberOfMolecula = 11 ; << 82 const size_t numberOfMolecula = 11 ;
89 static const G4String name[numberOfMolecula] << 83 static G4String name[numberOfMolecula] = {
90 "Al_2O_3", "CO_2", << 84 "Al_2O_3", "CO_2", "CH_4",
91 "(C_2H_4)_N-Polyethylene", "(C_2H_4)_N-Pol 85 "(C_2H_4)_N-Polyethylene", "(C_2H_4)_N-Polypropylene", "(C_8H_8)_N",
92 "C_3H_8", "SiO_2", << 86 "C_3H_8", "SiO_2", "H_2O",
93 "H_2O-Gas", "Graphite"}; << 87 "H_2O-Gas", "Graphite" } ;
94 88
95 // Special treatment for water in gas state 89 // Special treatment for water in gas state
96 const G4State theState = material->GetState( 90 const G4State theState = material->GetState() ;
97 91
98 myFormula = G4String("H_2O"); 92 myFormula = G4String("H_2O");
99 if( theState == kStateGas && myFormula == ch 93 if( theState == kStateGas && myFormula == chFormula) {
100 chFormula = G4String("H_2O-Gas"); 94 chFormula = G4String("H_2O-Gas");
101 } 95 }
102 96
103 // Search for the material in the table 97 // Search for the material in the table
104 for (G4int i=0; i<numberOfMolecula; ++i) { << 98 for (size_t i=0; i<numberOfMolecula; i++) {
105 if (chFormula == name[i]) { 99 if (chFormula == name[i]) {
106 SetMoleculaNumber(i) ; 100 SetMoleculaNumber(i) ;
107 return true ; 101 return true ;
108 } 102 }
109 } 103 }
110 return false ; 104 return false ;
111 } 105 }
112 106
113 //....oooOO0OOooo........oooOO0OOooo........oo 107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
114 108
115 G4double G4hICRU49p::StoppingPower(const G4Mat 109 G4double G4hICRU49p::StoppingPower(const G4Material* material,
116 G4dou 110 G4double kineticEnergy)
117 { 111 {
118 G4double ionloss = 0.0 ; 112 G4double ionloss = 0.0 ;
119 113
120 // pure material (normally not the case for 114 // pure material (normally not the case for this function)
121 if(1 == (material->GetNumberOfElements())) { 115 if(1 == (material->GetNumberOfElements())) {
122 G4double z = material->GetZ() ; 116 G4double z = material->GetZ() ;
123 ionloss = ElectronicStoppingPower( z, kine 117 ionloss = ElectronicStoppingPower( z, kineticEnergy ) ;
124 118
125 } else if (iMolecula < 11) { 119 } else if (iMolecula < 11) {
126 120
127 // The data and the fit from: 121 // The data and the fit from:
128 // ICRU Report N49, 1993. Ziegler's model 122 // ICRU Report N49, 1993. Ziegler's model for protons.
129 // Proton kinetic energy for parametrisati 123 // Proton kinetic energy for parametrisation (keV/amu)
130 124
131 G4double T = kineticEnergy/(keV*protonMass 125 G4double T = kineticEnergy/(keV*protonMassAMU) ;
132 126
133 static const G4double a[11][5] = { << 127 static G4double a[11][5] = {
134 {1.187E+1, 1.343E+1, 1.069E+4, 7.723E+2, 2. 128 {1.187E+1, 1.343E+1, 1.069E+4, 7.723E+2, 2.153E-2},
135 {7.802E+0, 8.814E+0, 8.303E+3, 7.446E+2, 7. 129 {7.802E+0, 8.814E+0, 8.303E+3, 7.446E+2, 7.966E-3},
136 {7.294E+0, 8.284E+0, 5.010E+3, 4.544E+2, 8. 130 {7.294E+0, 8.284E+0, 5.010E+3, 4.544E+2, 8.153E-3},
137 {8.646E+0, 9.800E+0, 7.066E+3, 4.581E+2, 9. 131 {8.646E+0, 9.800E+0, 7.066E+3, 4.581E+2, 9.383E-3},
138 {1.286E+1, 1.462E+1, 5.625E+3, 2.621E+3, 3. 132 {1.286E+1, 1.462E+1, 5.625E+3, 2.621E+3, 3.512E-2},
139 {3.229E+1, 3.696E+1, 8.918E+3, 3.244E+3, 1. 133 {3.229E+1, 3.696E+1, 8.918E+3, 3.244E+3, 1.273E-1},
140 {1.604E+1, 1.825E+1, 6.967E+3, 2.307E+3, 3. 134 {1.604E+1, 1.825E+1, 6.967E+3, 2.307E+3, 3.775E-2},
141 {8.049E+0, 9.099E+0, 9.257E+3, 3.846E+2, 1. 135 {8.049E+0, 9.099E+0, 9.257E+3, 3.846E+2, 1.007E-2},
142 {4.015E+0, 4.542E+0, 3.955E+3, 4.847E+2, 7. 136 {4.015E+0, 4.542E+0, 3.955E+3, 4.847E+2, 7.904E-3},
143 {4.571E+0, 5.173E+0, 4.346E+3, 4.779E+2, 8. 137 {4.571E+0, 5.173E+0, 4.346E+3, 4.779E+2, 8.572E-3},
144 {2.631E+0, 2.601E+0, 1.701E+3, 1.279E+3, 1. 138 {2.631E+0, 2.601E+0, 1.701E+3, 1.279E+3, 1.638E-2} };
145 139
146 140
147 if ( T < 10.0 ) { 141 if ( T < 10.0 ) {
148 ionloss = a[iMolecula][0] * std::sqrt(T) << 142 ionloss = a[iMolecula][0] * sqrt(T) ;
149 143
150 } else if ( T < 10000.0 ) { 144 } else if ( T < 10000.0 ) {
151 G4double slow = a[iMolecula][1] * std:: << 145 G4double slow = a[iMolecula][1] * pow(T, 0.45) ;
152 G4double shigh = std::log( 1.0 + a[iMole << 146 G4double shigh = log( 1.0 + a[iMolecula][3]/T
153 + a[iMolecula][4]*T ) * a 147 + a[iMolecula][4]*T ) * a[iMolecula][2]/T ;
154 ionloss = slow*shigh / (slow + shigh) ; 148 ionloss = slow*shigh / (slow + shigh) ;
155 } 149 }
156 150
157 if ( ionloss < 0.0) ionloss = 0.0 ; 151 if ( ionloss < 0.0) ionloss = 0.0 ;
158 ///////////////////////////////////////// 152 /////////////////////////////////////////////////////////////////
159 // Graphite may be implemented in a very a 153 // Graphite may be implemented in a very approximate way (scaling
160 // amorphous results according to rough fi 154 // amorphous results according to rough fits to ICRU tables of results:
161 // 1-100 keV: *(1+0.023+0.0066*std::log10( << 155 // 1-100 keV: *(1+0.023+0.0066*log10(E))
162 // 100-700 keV: *(1+0.089-0.0248*std::log1 << 156 // 100-700 keV: *(1+0.089-0.0248*log10(E-99.))
163 // 700-10000 keV: *(1+0.089-0.0248*std::lo << 157 // 700-10000 keV: *(1+0.089-0.0248*log10(700.-99.))
164 // continuity is (should!) be garanteed, b 158 // continuity is (should!) be garanteed, but not continuity of the
165 // first derivative. A better fit is in or 159 // first derivative. A better fit is in order!
166 if ( 10 == iMolecula ) { 160 if ( 10 == iMolecula ) {
167 if (T < 100.0) { 161 if (T < 100.0) {
168 ionloss *= (1.0+0.023+0.0066*std::log10(T)); << 162 ionloss *= (1.0+0.023+0.0066*log10(T));
169 } 163 }
170 else if (T < 700.0) { 164 else if (T < 700.0) {
171 ionloss *=(1.0+0.089-0.0248*std::log10(T-99. << 165 ionloss *=(1.0+0.089-0.0248*log10(T-99.));
172 } 166 }
173 else if (T < 10000.0) { 167 else if (T < 10000.0) {
174 ionloss *=(1.0+0.089-0.0248*std::log10(700.- << 168 ionloss *=(1.0+0.089-0.0248*log10(700.-99.));
175 } 169 }
176 } 170 }
177 } 171 }
178 172
179 return ionloss; 173 return ionloss;
180 } 174 }
181 175
182 //....oooOO0OOooo........oooOO0OOooo........oo 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
183 177
184 G4double G4hICRU49p::ElectronicStoppingPower(G 178 G4double G4hICRU49p::ElectronicStoppingPower(G4double z,
185 G 179 G4double kineticEnergy) const
186 { 180 {
187 G4double ionloss ; 181 G4double ionloss ;
188 G4int i = G4int(z)-1 ; // index of atom 182 G4int i = G4int(z)-1 ; // index of atom
189 if(i < 0) i = 0 ; 183 if(i < 0) i = 0 ;
190 if(i > 91) i = 91 ; 184 if(i > 91) i = 91 ;
191 185
192 // The data and the fit from: 186 // The data and the fit from:
193 // ICRU Report 49, 1993. Ziegler's type of p 187 // ICRU Report 49, 1993. Ziegler's type of parametrisations.
194 // Proton kinetic energy for parametrisation 188 // Proton kinetic energy for parametrisation (keV/amu)
195 189
196 G4double T = kineticEnergy/(keV*protonMassAM 190 G4double T = kineticEnergy/(keV*protonMassAMU) ;
197 191
198 static const G4double a[92][5] = { << 192 static G4double a[92][5] = {
199 {1.254E+0, 1.440E+0, 2.426E+2, 1.200E+4, 1. 193 {1.254E+0, 1.440E+0, 2.426E+2, 1.200E+4, 1.159E-1},
200 {1.229E+0, 1.397E+0, 4.845E+2, 5.873E+3, 5. 194 {1.229E+0, 1.397E+0, 4.845E+2, 5.873E+3, 5.225E-2},
201 {1.411E+0, 1.600E+0, 7.256E+2, 3.013E+3, 4. 195 {1.411E+0, 1.600E+0, 7.256E+2, 3.013E+3, 4.578E-2},
202 {2.248E+0, 2.590E+0, 9.660E+2, 1.538E+2, 3. 196 {2.248E+0, 2.590E+0, 9.660E+2, 1.538E+2, 3.475E-2},
203 {2.474E+0, 2.815E+0, 1.206E+3, 1.060E+3, 2. 197 {2.474E+0, 2.815E+0, 1.206E+3, 1.060E+3, 2.855E-2},
204 {2.631E+0, 2.601E+0, 1.701E+3, 1.279E+3, 1. 198 {2.631E+0, 2.601E+0, 1.701E+3, 1.279E+3, 1.638E-2},
205 {2.954E+0, 3.350E+0, 1.683E+3, 1.900E+3, 2. 199 {2.954E+0, 3.350E+0, 1.683E+3, 1.900E+3, 2.513E-2},
206 {2.652E+0, 3.000E+0, 1.920E+3, 2.000E+3, 2. 200 {2.652E+0, 3.000E+0, 1.920E+3, 2.000E+3, 2.230E-2},
207 {2.085E+0, 2.352E+0, 2.157E+3, 2.634E+3, 1. 201 {2.085E+0, 2.352E+0, 2.157E+3, 2.634E+3, 1.816E-2},
208 {1.951E+0, 2.199E+0, 2.393E+3, 2.699E+3, 1. 202 {1.951E+0, 2.199E+0, 2.393E+3, 2.699E+3, 1.568E-2},
209 {2.542E+0, 2.869E+0, 2.628E+3, 1.854E+3, 1. 203 {2.542E+0, 2.869E+0, 2.628E+3, 1.854E+3, 1.472E-2},
210 {3.791E+0, 4.293E+0, 2.862E+3, 1.009E+3, 1. 204 {3.791E+0, 4.293E+0, 2.862E+3, 1.009E+3, 1.397E-2},
211 {4.154E+0, 4.739E+0, 2.766E+3, 1.645E+2, 2. 205 {4.154E+0, 4.739E+0, 2.766E+3, 1.645E+2, 2.023E-2},
212 {4.914E+0, 5.598E+0, 3.193E+3, 2.327E+2, 1. 206 {4.914E+0, 5.598E+0, 3.193E+3, 2.327E+2, 1.419E-2},
213 {3.232E+0, 3.647E+0, 3.561E+3, 1.560E+3, 1. 207 {3.232E+0, 3.647E+0, 3.561E+3, 1.560E+3, 1.267E-2},
214 {3.447E+0, 3.891E+0, 3.792E+3, 1.219E+3, 1. 208 {3.447E+0, 3.891E+0, 3.792E+3, 1.219E+3, 1.211E-2},
215 {5.301E+0, 6.008E+0, 3.969E+3, 6.451E+2, 1. 209 {5.301E+0, 6.008E+0, 3.969E+3, 6.451E+2, 1.183E-2},
216 {5.731E+0, 6.500E+0, 4.253E+3, 5.300E+2, 1. 210 {5.731E+0, 6.500E+0, 4.253E+3, 5.300E+2, 1.123E-2},
217 {5.152E+0, 5.833E+0, 4.482E+3, 5.457E+2, 1. 211 {5.152E+0, 5.833E+0, 4.482E+3, 5.457E+2, 1.129E-2},
218 {5.521E+0, 6.252E+0, 4.710E+3, 5.533E+2, 1. 212 {5.521E+0, 6.252E+0, 4.710E+3, 5.533E+2, 1.112E-2},
219 {5.201E+0, 5.884E+0, 4.938E+3, 5.609E+2, 9. 213 {5.201E+0, 5.884E+0, 4.938E+3, 5.609E+2, 9.995E-3},
220 {4.858E+0, 5.489E+0, 5.260E+3, 6.511E+2, 8. 214 {4.858E+0, 5.489E+0, 5.260E+3, 6.511E+2, 8.930E-3},
221 {4.479E+0, 5.055E+0, 5.391E+3, 9.523E+2, 9. 215 {4.479E+0, 5.055E+0, 5.391E+3, 9.523E+2, 9.117E-3},
222 {3.983E+0, 4.489E+0, 5.616E+3, 1.336E+3, 8. 216 {3.983E+0, 4.489E+0, 5.616E+3, 1.336E+3, 8.413E-3},
223 {3.469E+0, 3.907E+0, 5.725E+3, 1.461E+3, 8. 217 {3.469E+0, 3.907E+0, 5.725E+3, 1.461E+3, 8.829E-3},
224 {3.519E+0, 3.963E+0, 6.065E+3, 1.243E+3, 7. 218 {3.519E+0, 3.963E+0, 6.065E+3, 1.243E+3, 7.782E-3},
225 {3.140E+0, 3.535E+0, 6.288E+3, 1.372E+3, 7. 219 {3.140E+0, 3.535E+0, 6.288E+3, 1.372E+3, 7.361E-3},
226 {3.553E+0, 4.004E+0, 6.205E+3, 5.551E+2, 8. 220 {3.553E+0, 4.004E+0, 6.205E+3, 5.551E+2, 8.763E-3},
227 {3.696E+0, 4.194E+0, 4.649E+3, 8.113E+1, 2. 221 {3.696E+0, 4.194E+0, 4.649E+3, 8.113E+1, 2.242E-2},
228 {4.210E+0, 4.750E+0, 6.953E+3, 2.952E+2, 6. 222 {4.210E+0, 4.750E+0, 6.953E+3, 2.952E+2, 6.809E-3},
229 {5.041E+0, 5.697E+0, 7.173E+3, 2.026E+2, 6. 223 {5.041E+0, 5.697E+0, 7.173E+3, 2.026E+2, 6.725E-3},
230 {5.554E+0, 6.300E+0, 6.496E+3, 1.100E+2, 9. 224 {5.554E+0, 6.300E+0, 6.496E+3, 1.100E+2, 9.689E-3},
231 {5.323E+0, 6.012E+0, 7.611E+3, 2.925E+2, 6. 225 {5.323E+0, 6.012E+0, 7.611E+3, 2.925E+2, 6.447E-3},
232 {5.874E+0, 6.656E+0, 7.395E+3, 1.175E+2, 7. 226 {5.874E+0, 6.656E+0, 7.395E+3, 1.175E+2, 7.684E-3},
233 {6.658E+0, 7.536E+0, 7.694E+3, 2.223E+2, 6. 227 {6.658E+0, 7.536E+0, 7.694E+3, 2.223E+2, 6.509E-3},
234 {6.413E+0, 7.240E+0, 1.185E+4, 1.537E+2, 2. 228 {6.413E+0, 7.240E+0, 1.185E+4, 1.537E+2, 2.880E-3},
235 {5.694E+0, 6.429E+0, 8.478E+3, 2.929E+2, 6. 229 {5.694E+0, 6.429E+0, 8.478E+3, 2.929E+2, 6.087E-3},
236 {6.339E+0, 7.159E+0, 8.693E+3, 3.303E+2, 6. 230 {6.339E+0, 7.159E+0, 8.693E+3, 3.303E+2, 6.003E-3},
237 {6.407E+0, 7.234E+0, 8.907E+3, 3.678E+2, 5. 231 {6.407E+0, 7.234E+0, 8.907E+3, 3.678E+2, 5.889E-3},
238 {6.734E+0, 7.603E+0, 9.120E+3, 4.052E+2, 5. 232 {6.734E+0, 7.603E+0, 9.120E+3, 4.052E+2, 5.765E-3},
239 {6.901E+0, 7.791E+0, 9.333E+3, 4.427E+2, 5. 233 {6.901E+0, 7.791E+0, 9.333E+3, 4.427E+2, 5.587E-3},
240 {6.424E+0, 7.248E+0, 9.545E+3, 4.802E+2, 5. 234 {6.424E+0, 7.248E+0, 9.545E+3, 4.802E+2, 5.376E-3},
241 {6.799E+0, 7.671E+0, 9.756E+3, 5.176E+2, 5. 235 {6.799E+0, 7.671E+0, 9.756E+3, 5.176E+2, 5.315E-3},
242 {6.109E+0, 6.887E+0, 9.966E+3, 5.551E+2, 5. 236 {6.109E+0, 6.887E+0, 9.966E+3, 5.551E+2, 5.151E-3},
243 {5.924E+0, 6.677E+0, 1.018E+4, 5.925E+2, 4. 237 {5.924E+0, 6.677E+0, 1.018E+4, 5.925E+2, 4.919E-3},
244 {5.238E+0, 5.900E+0, 1.038E+4, 6.300E+2, 4. 238 {5.238E+0, 5.900E+0, 1.038E+4, 6.300E+2, 4.758E-3},
245 {5.345E+0, 6.038E+0, 6.790E+3, 3.978E+2, 1. 239 {5.345E+0, 6.038E+0, 6.790E+3, 3.978E+2, 1.676E-2},
246 {5.814E+0, 6.554E+0, 1.080E+4, 3.555E+2, 4. 240 {5.814E+0, 6.554E+0, 1.080E+4, 3.555E+2, 4.626E-3},
247 {6.229E+0, 7.024E+0, 1.101E+4, 3.709E+2, 4. 241 {6.229E+0, 7.024E+0, 1.101E+4, 3.709E+2, 4.540E-3},
248 {6.409E+0, 7.227E+0, 1.121E+4, 3.864E+2, 4. 242 {6.409E+0, 7.227E+0, 1.121E+4, 3.864E+2, 4.474E-3},
249 {7.500E+0, 8.480E+0, 8.608E+3, 3.480E+2, 9. 243 {7.500E+0, 8.480E+0, 8.608E+3, 3.480E+2, 9.074E-3},
250 {6.979E+0, 7.871E+0, 1.162E+4, 3.924E+2, 4. 244 {6.979E+0, 7.871E+0, 1.162E+4, 3.924E+2, 4.402E-3},
251 {7.725E+0, 8.716E+0, 1.183E+4, 3.948E+2, 4. 245 {7.725E+0, 8.716E+0, 1.183E+4, 3.948E+2, 4.376E-3},
252 {8.337E+0, 9.425E+0, 1.051E+4, 2.696E+2, 6. 246 {8.337E+0, 9.425E+0, 1.051E+4, 2.696E+2, 6.206E-3},
253 {7.287E+0, 8.218E+0, 1.223E+4, 3.997E+2, 4. 247 {7.287E+0, 8.218E+0, 1.223E+4, 3.997E+2, 4.447E-3},
254 {7.899E+0, 8.911E+0, 1.243E+4, 4.021E+2, 4. 248 {7.899E+0, 8.911E+0, 1.243E+4, 4.021E+2, 4.511E-3},
255 {8.041E+0, 9.071E+0, 1.263E+4, 4.045E+2, 4. 249 {8.041E+0, 9.071E+0, 1.263E+4, 4.045E+2, 4.540E-3},
256 {7.488E+0, 8.444E+0, 1.283E+4, 4.069E+2, 4. 250 {7.488E+0, 8.444E+0, 1.283E+4, 4.069E+2, 4.420E-3},
257 {7.291E+0, 8.219E+0, 1.303E+4, 4.093E+2, 4. 251 {7.291E+0, 8.219E+0, 1.303E+4, 4.093E+2, 4.298E-3},
258 {7.098E+0, 8.000E+0, 1.323E+4, 4.118E+2, 4. 252 {7.098E+0, 8.000E+0, 1.323E+4, 4.118E+2, 4.182E-3},
259 {6.909E+0, 7.786E+0, 1.343E+4, 4.142E+2, 4. 253 {6.909E+0, 7.786E+0, 1.343E+4, 4.142E+2, 4.058E-3},
260 {6.728E+0, 7.580E+0, 1.362E+4, 4.166E+2, 3. 254 {6.728E+0, 7.580E+0, 1.362E+4, 4.166E+2, 3.976E-3},
261 {6.551E+0, 7.380E+0, 1.382E+4, 4.190E+2, 3. 255 {6.551E+0, 7.380E+0, 1.382E+4, 4.190E+2, 3.877E-3},
262 {6.739E+0, 7.592E+0, 1.402E+4, 4.214E+2, 3. 256 {6.739E+0, 7.592E+0, 1.402E+4, 4.214E+2, 3.863E-3},
263 {6.212E+0, 6.996E+0, 1.421E+4, 4.239E+2, 3. 257 {6.212E+0, 6.996E+0, 1.421E+4, 4.239E+2, 3.725E-3},
264 {5.517E+0, 6.210E+0, 1.440E+4, 4.263E+2, 3. 258 {5.517E+0, 6.210E+0, 1.440E+4, 4.263E+2, 3.632E-3},
265 {5.220E+0, 5.874E+0, 1.460E+4, 4.287E+2, 3. 259 {5.220E+0, 5.874E+0, 1.460E+4, 4.287E+2, 3.498E-3},
266 {5.071E+0, 5.706E+0, 1.479E+4, 4.330E+2, 3. 260 {5.071E+0, 5.706E+0, 1.479E+4, 4.330E+2, 3.405E-3},
267 {4.926E+0, 5.542E+0, 1.498E+4, 4.335E+2, 3. 261 {4.926E+0, 5.542E+0, 1.498E+4, 4.335E+2, 3.342E-3},
268 {4.788E+0, 5.386E+0, 1.517E+4, 4.359E+2, 3. 262 {4.788E+0, 5.386E+0, 1.517E+4, 4.359E+2, 3.292E-3},
269 {4.893E+0, 5.505E+0, 1.536E+4, 4.384E+2, 3. 263 {4.893E+0, 5.505E+0, 1.536E+4, 4.384E+2, 3.243E-3},
270 {5.028E+0, 5.657E+0, 1.555E+4, 4.408E+2, 3. 264 {5.028E+0, 5.657E+0, 1.555E+4, 4.408E+2, 3.195E-3},
271 {4.738E+0, 5.329E+0, 1.574E+4, 4.432E+2, 3. 265 {4.738E+0, 5.329E+0, 1.574E+4, 4.432E+2, 3.186E-3},
272 {4.587E+0, 5.160E+0, 1.541E+4, 4.153E+2, 3. 266 {4.587E+0, 5.160E+0, 1.541E+4, 4.153E+2, 3.406E-3},
273 {5.201E+0, 5.851E+0, 1.612E+4, 4.416E+2, 3. 267 {5.201E+0, 5.851E+0, 1.612E+4, 4.416E+2, 3.122E-3},
274 {5.071E+0, 5.704E+0, 1.630E+4, 4.409E+2, 3. 268 {5.071E+0, 5.704E+0, 1.630E+4, 4.409E+2, 3.082E-3},
275 {4.946E+0, 5.563E+0, 1.649E+4, 4.401E+2, 2. 269 {4.946E+0, 5.563E+0, 1.649E+4, 4.401E+2, 2.965E-3},
276 {4.477E+0, 5.034E+0, 1.667E+4, 4.393E+2, 2. 270 {4.477E+0, 5.034E+0, 1.667E+4, 4.393E+2, 2.871E-3},
277 {4.844E+0, 5.458E+0, 7.852E+3, 9.758E+2, 2. 271 {4.844E+0, 5.458E+0, 7.852E+3, 9.758E+2, 2.077E-2},
278 {4.307E+0, 4.843E+0, 1.704E+4, 4.878E+2, 2. 272 {4.307E+0, 4.843E+0, 1.704E+4, 4.878E+2, 2.882E-3},
279 {4.723E+0, 5.311E+0, 1.722E+4, 5.370E+2, 2. 273 {4.723E+0, 5.311E+0, 1.722E+4, 5.370E+2, 2.913E-3},
280 {5.319E+0, 5.982E+0, 1.740E+4, 5.863E+2, 2. 274 {5.319E+0, 5.982E+0, 1.740E+4, 5.863E+2, 2.871E-3},
281 {5.956E+0, 6.700E+0, 1.780E+4, 6.770E+2, 2. 275 {5.956E+0, 6.700E+0, 1.780E+4, 6.770E+2, 2.660E-3},
282 {6.158E+0, 6.928E+0, 1.777E+4, 5.863E+2, 2. 276 {6.158E+0, 6.928E+0, 1.777E+4, 5.863E+2, 2.812E-3},
283 {6.203E+0, 6.979E+0, 1.795E+4, 5.863E+2, 2. 277 {6.203E+0, 6.979E+0, 1.795E+4, 5.863E+2, 2.776E-3},
284 {6.181E+0, 6.954E+0, 1.812E+4, 5.863E+2, 2. 278 {6.181E+0, 6.954E+0, 1.812E+4, 5.863E+2, 2.748E-3},
285 {6.949E+0, 7.820E+0, 1.830E+4, 5.863E+2, 2. 279 {6.949E+0, 7.820E+0, 1.830E+4, 5.863E+2, 2.737E-3},
286 {7.506E+0, 8.448E+0, 1.848E+4, 5.863E+2, 2. 280 {7.506E+0, 8.448E+0, 1.848E+4, 5.863E+2, 2.727E-3},
287 {7.648E+0, 8.609E+0, 1.866E+4, 5.863E+2, 2. 281 {7.648E+0, 8.609E+0, 1.866E+4, 5.863E+2, 2.697E-3},
288 {7.711E+0, 8.679E+0, 1.883E+4, 5.863E+2, 2. 282 {7.711E+0, 8.679E+0, 1.883E+4, 5.863E+2, 2.641E-3},
289 {7.407E+0, 8.336E+0, 1.901E+4, 5.863E+2, 2. 283 {7.407E+0, 8.336E+0, 1.901E+4, 5.863E+2, 2.603E-3},
290 {7.290E+0, 8.204E+0, 1.918E+4, 5.863E+2, 2. 284 {7.290E+0, 8.204E+0, 1.918E+4, 5.863E+2, 2.673E-3}
291 }; 285 };
292 286
293 G4double fac = 1.0 ; 287 G4double fac = 1.0 ;
294 288
295 // Carbon specific case for E < 40 keV 289 // Carbon specific case for E < 40 keV
296 if ( T < 40.0 && 5 == i) { 290 if ( T < 40.0 && 5 == i) {
297 fac = std::sqrt(T/40.0) ; << 291 fac = sqrt(T/40.0) ;
298 T = 40.0 ; 292 T = 40.0 ;
299 293
300 // Free electron gas model 294 // Free electron gas model
301 } else if ( T < 10.0 ) { 295 } else if ( T < 10.0 ) {
302 fac = std::sqrt(T*0.1) ; << 296 fac = sqrt(T*0.1) ;
303 T =10.0 ; 297 T =10.0 ;
304 } 298 }
305 299
306 // Main parametrisation 300 // Main parametrisation
307 G4double slow = a[i][1] * std::pow(T, 0.45) << 301 G4double slow = a[i][1] * pow(T, 0.45) ;
308 G4double shigh = std::log( 1.0 + a[i][3]/T + << 302 G4double shigh = log( 1.0 + a[i][3]/T + a[i][4]*T ) * a[i][2]/T ;
309 ionloss = slow*shigh*fac / (slow + shigh) ; 303 ionloss = slow*shigh*fac / (slow + shigh) ;
310 304
311 if ( ionloss < 0.0) ionloss = 0.0 ; 305 if ( ionloss < 0.0) ionloss = 0.0 ;
312 306
313 return ionloss; 307 return ionloss;
314 } 308 }
315 309
316 310
317 311
318 312