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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 // ------------------------------------------- 27 // ------------------------------------------------------------------- 28 // 28 // 29 // GEANT4 Class file 29 // GEANT4 Class file 30 // 30 // 31 // 31 // 32 // File name: G4hICRU49p 32 // File name: G4hICRU49p 33 // 33 // 34 // Author: V.Ivanchenko (Vladimir.Ivanc 34 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch) 35 // 35 // 36 // Creation date: 20 July 2000 36 // Creation date: 20 July 2000 37 // 37 // 38 // Modifications: 38 // Modifications: 39 // 20/07/2000 V.Ivanchenko First implementati 39 // 20/07/2000 V.Ivanchenko First implementation 40 // 18/09/2000 V.Ivanchenko clean up - all var 40 // 18/09/2000 V.Ivanchenko clean up - all variable are the same as in ICRU 41 // 03/10/2000 V.Ivanchenko clean up accoding 41 // 03/10/2000 V.Ivanchenko clean up accoding to CodeWizard 42 // 10/05/2001 V.Ivanchenko Clean up againist 42 // 10/05/2001 V.Ivanchenko Clean up againist Linux compilation with -Wall 43 // 43 // 44 // Class Description: 44 // Class Description: 45 // 45 // 46 // Electronic stopping power parametrised acco 46 // Electronic stopping power parametrised according to 47 // ICRU Report N49, 1993, for protons. 47 // ICRU Report N49, 1993, for protons. 48 // 48 // 49 // Class Description: End 49 // Class Description: End 50 // 50 // 51 // ------------------------------------------- 51 // ------------------------------------------------------------------- 52 // 52 // 53 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 54 54 55 #include "G4hICRU49p.hh" 55 #include "G4hICRU49p.hh" 56 56 57 #include "globals.hh" 57 #include "globals.hh" 58 #include "G4SystemOfUnits.hh" 58 #include "G4SystemOfUnits.hh" 59 #include "G4UnitsTable.hh" 59 #include "G4UnitsTable.hh" 60 #include "G4Material.hh" 60 #include "G4Material.hh" 61 61 62 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 63 63 64 G4hICRU49p::G4hICRU49p(): << 64 G4hICRU49p::G4hICRU49p():G4VhElectronicStoppingPower(), 65 G4VhElectronicStoppingPower(), << 65 iMolecula(0), 66 protonMassAMU(1.007276), << 66 protonMassAMU(1.007276) 67 iMolecula(0) << 68 {;} 67 {;} 69 68 70 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 71 70 72 G4hICRU49p::~G4hICRU49p() 71 G4hICRU49p::~G4hICRU49p() 73 {;} 72 {;} 74 73 75 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 76 75 77 G4bool G4hICRU49p::HasMaterial(const G4Materia 76 G4bool G4hICRU49p::HasMaterial(const G4Material* material) 78 { 77 { 79 G4String chFormula = material->GetChemicalFo 78 G4String chFormula = material->GetChemicalFormula() ; 80 G4String myFormula = G4String(" ") ; 79 G4String myFormula = G4String(" ") ; 81 80 82 if (myFormula == chFormula ) { 81 if (myFormula == chFormula ) { 83 if(1 == (material->GetNumberOfElements())) 82 if(1 == (material->GetNumberOfElements())) return true; 84 return false ; 83 return false ; 85 } 84 } 86 85 87 // ICRU Report N49, 1993. Power's model for 86 // ICRU Report N49, 1993. Power's model for He. 88 const G4int numberOfMolecula = 11 ; << 87 const size_t numberOfMolecula = 11 ; 89 static const G4String name[numberOfMolecula] 88 static const G4String name[numberOfMolecula] = { 90 "Al_2O_3", "CO_2", 89 "Al_2O_3", "CO_2", "CH_4", 91 "(C_2H_4)_N-Polyethylene", "(C_2H_4)_N-Pol 90 "(C_2H_4)_N-Polyethylene", "(C_2H_4)_N-Polypropylene", "(C_8H_8)_N", 92 "C_3H_8", "SiO_2", 91 "C_3H_8", "SiO_2", "H_2O", 93 "H_2O-Gas", "Graphite"}; 92 "H_2O-Gas", "Graphite"}; 94 93 95 // Special treatment for water in gas state 94 // Special treatment for water in gas state 96 const G4State theState = material->GetState( 95 const G4State theState = material->GetState() ; 97 96 98 myFormula = G4String("H_2O"); 97 myFormula = G4String("H_2O"); 99 if( theState == kStateGas && myFormula == ch 98 if( theState == kStateGas && myFormula == chFormula) { 100 chFormula = G4String("H_2O-Gas"); 99 chFormula = G4String("H_2O-Gas"); 101 } 100 } 102 101 103 // Search for the material in the table 102 // Search for the material in the table 104 for (G4int i=0; i<numberOfMolecula; ++i) { << 103 for (size_t i=0; i<numberOfMolecula; i++) { 105 if (chFormula == name[i]) { 104 if (chFormula == name[i]) { 106 SetMoleculaNumber(i) ; 105 SetMoleculaNumber(i) ; 107 return true ; 106 return true ; 108 } 107 } 109 } 108 } 110 return false ; 109 return false ; 111 } 110 } 112 111 113 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 114 113 115 G4double G4hICRU49p::StoppingPower(const G4Mat 114 G4double G4hICRU49p::StoppingPower(const G4Material* material, 116 G4dou 115 G4double kineticEnergy) 117 { 116 { 118 G4double ionloss = 0.0 ; 117 G4double ionloss = 0.0 ; 119 118 120 // pure material (normally not the case for 119 // pure material (normally not the case for this function) 121 if(1 == (material->GetNumberOfElements())) { 120 if(1 == (material->GetNumberOfElements())) { 122 G4double z = material->GetZ() ; 121 G4double z = material->GetZ() ; 123 ionloss = ElectronicStoppingPower( z, kine 122 ionloss = ElectronicStoppingPower( z, kineticEnergy ) ; 124 123 125 } else if (iMolecula < 11) { 124 } else if (iMolecula < 11) { 126 125 127 // The data and the fit from: 126 // The data and the fit from: 128 // ICRU Report N49, 1993. Ziegler's model 127 // ICRU Report N49, 1993. Ziegler's model for protons. 129 // Proton kinetic energy for parametrisati 128 // Proton kinetic energy for parametrisation (keV/amu) 130 129 131 G4double T = kineticEnergy/(keV*protonMass 130 G4double T = kineticEnergy/(keV*protonMassAMU) ; 132 131 133 static const G4double a[11][5] = { 132 static const G4double a[11][5] = { 134 {1.187E+1, 1.343E+1, 1.069E+4, 7.723E+2, 2. 133 {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. 134 {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. 135 {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. 136 {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. 137 {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. 138 {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. 139 {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. 140 {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. 141 {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. 142 {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. 143 {2.631E+0, 2.601E+0, 1.701E+3, 1.279E+3, 1.638E-2} }; 145 144 146 145 147 if ( T < 10.0 ) { 146 if ( T < 10.0 ) { 148 ionloss = a[iMolecula][0] * std::sqrt(T) 147 ionloss = a[iMolecula][0] * std::sqrt(T) ; 149 148 150 } else if ( T < 10000.0 ) { 149 } else if ( T < 10000.0 ) { 151 G4double slow = a[iMolecula][1] * std:: 150 G4double slow = a[iMolecula][1] * std::pow(T, 0.45) ; 152 G4double shigh = std::log( 1.0 + a[iMole 151 G4double shigh = std::log( 1.0 + a[iMolecula][3]/T 153 + a[iMolecula][4]*T ) * a 152 + a[iMolecula][4]*T ) * a[iMolecula][2]/T ; 154 ionloss = slow*shigh / (slow + shigh) ; 153 ionloss = slow*shigh / (slow + shigh) ; 155 } 154 } 156 155 157 if ( ionloss < 0.0) ionloss = 0.0 ; 156 if ( ionloss < 0.0) ionloss = 0.0 ; 158 ///////////////////////////////////////// 157 ///////////////////////////////////////////////////////////////// 159 // Graphite may be implemented in a very a 158 // Graphite may be implemented in a very approximate way (scaling 160 // amorphous results according to rough fi 159 // amorphous results according to rough fits to ICRU tables of results: 161 // 1-100 keV: *(1+0.023+0.0066*std::log10( 160 // 1-100 keV: *(1+0.023+0.0066*std::log10(E)) 162 // 100-700 keV: *(1+0.089-0.0248*std::log1 161 // 100-700 keV: *(1+0.089-0.0248*std::log10(E-99.)) 163 // 700-10000 keV: *(1+0.089-0.0248*std::lo 162 // 700-10000 keV: *(1+0.089-0.0248*std::log10(700.-99.)) 164 // continuity is (should!) be garanteed, b 163 // continuity is (should!) be garanteed, but not continuity of the 165 // first derivative. A better fit is in or 164 // first derivative. A better fit is in order! 166 if ( 10 == iMolecula ) { 165 if ( 10 == iMolecula ) { 167 if (T < 100.0) { 166 if (T < 100.0) { 168 ionloss *= (1.0+0.023+0.0066*std::log10(T)); 167 ionloss *= (1.0+0.023+0.0066*std::log10(T)); 169 } 168 } 170 else if (T < 700.0) { 169 else if (T < 700.0) { 171 ionloss *=(1.0+0.089-0.0248*std::log10(T-99. 170 ionloss *=(1.0+0.089-0.0248*std::log10(T-99.)); 172 } 171 } 173 else if (T < 10000.0) { 172 else if (T < 10000.0) { 174 ionloss *=(1.0+0.089-0.0248*std::log10(700.- 173 ionloss *=(1.0+0.089-0.0248*std::log10(700.-99.)); 175 } 174 } 176 } 175 } 177 } 176 } 178 177 179 return ionloss; 178 return ionloss; 180 } 179 } 181 180 182 //....oooOO0OOooo........oooOO0OOooo........oo 181 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 183 182 184 G4double G4hICRU49p::ElectronicStoppingPower(G 183 G4double G4hICRU49p::ElectronicStoppingPower(G4double z, 185 G 184 G4double kineticEnergy) const 186 { 185 { 187 G4double ionloss ; 186 G4double ionloss ; 188 G4int i = G4int(z)-1 ; // index of atom 187 G4int i = G4int(z)-1 ; // index of atom 189 if(i < 0) i = 0 ; 188 if(i < 0) i = 0 ; 190 if(i > 91) i = 91 ; 189 if(i > 91) i = 91 ; 191 190 192 // The data and the fit from: 191 // The data and the fit from: 193 // ICRU Report 49, 1993. Ziegler's type of p 192 // ICRU Report 49, 1993. Ziegler's type of parametrisations. 194 // Proton kinetic energy for parametrisation 193 // Proton kinetic energy for parametrisation (keV/amu) 195 194 196 G4double T = kineticEnergy/(keV*protonMassAM 195 G4double T = kineticEnergy/(keV*protonMassAMU) ; 197 196 198 static const G4double a[92][5] = { 197 static const G4double a[92][5] = { 199 {1.254E+0, 1.440E+0, 2.426E+2, 1.200E+4, 1. 198 {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. 199 {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. 200 {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. 201 {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. 202 {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. 203 {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. 204 {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. 205 {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. 206 {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. 207 {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. 208 {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. 209 {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. 210 {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. 211 {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. 212 {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. 213 {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. 214 {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. 215 {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. 216 {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. 217 {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. 218 {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. 219 {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. 220 {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. 221 {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. 222 {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. 223 {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. 224 {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. 225 {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. 226 {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. 227 {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. 228 {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. 229 {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. 230 {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. 231 {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. 232 {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. 233 {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. 234 {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. 235 {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. 236 {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. 237 {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. 238 {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. 239 {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. 240 {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. 241 {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. 242 {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. 243 {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. 244 {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. 245 {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. 246 {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. 247 {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. 248 {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. 249 {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. 250 {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. 251 {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. 252 {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. 253 {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. 254 {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. 255 {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. 256 {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. 257 {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. 258 {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. 259 {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. 260 {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. 261 {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. 262 {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. 263 {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. 264 {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. 265 {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. 266 {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. 267 {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. 268 {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. 269 {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. 270 {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. 271 {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. 272 {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. 273 {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. 274 {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. 275 {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. 276 {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. 277 {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. 278 {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. 279 {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. 280 {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. 281 {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. 282 {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. 283 {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. 284 {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. 285 {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. 286 {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. 287 {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. 288 {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. 289 {7.290E+0, 8.204E+0, 1.918E+4, 5.863E+2, 2.673E-3} 291 }; 290 }; 292 291 293 G4double fac = 1.0 ; 292 G4double fac = 1.0 ; 294 293 295 // Carbon specific case for E < 40 keV 294 // Carbon specific case for E < 40 keV 296 if ( T < 40.0 && 5 == i) { 295 if ( T < 40.0 && 5 == i) { 297 fac = std::sqrt(T/40.0) ; 296 fac = std::sqrt(T/40.0) ; 298 T = 40.0 ; 297 T = 40.0 ; 299 298 300 // Free electron gas model 299 // Free electron gas model 301 } else if ( T < 10.0 ) { 300 } else if ( T < 10.0 ) { 302 fac = std::sqrt(T*0.1) ; 301 fac = std::sqrt(T*0.1) ; 303 T =10.0 ; 302 T =10.0 ; 304 } 303 } 305 304 306 // Main parametrisation 305 // Main parametrisation 307 G4double slow = a[i][1] * std::pow(T, 0.45) 306 G4double slow = a[i][1] * std::pow(T, 0.45) ; 308 G4double shigh = std::log( 1.0 + a[i][3]/T + 307 G4double shigh = std::log( 1.0 + a[i][3]/T + a[i][4]*T ) * a[i][2]/T ; 309 ionloss = slow*shigh*fac / (slow + shigh) ; 308 ionloss = slow*shigh*fac / (slow + shigh) ; 310 309 311 if ( ionloss < 0.0) ionloss = 0.0 ; 310 if ( ionloss < 0.0) ionloss = 0.0 ; 312 311 313 return ionloss; 312 return ionloss; 314 } 313 } 315 314 316 315 317 316 318 317