1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: G4VEnergyLossProcess.cc,v 1.146 2009/02/19 11:25:50 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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28 | // |
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29 | // ------------------------------------------------------------------- |
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30 | // |
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31 | // GEANT4 Class file |
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32 | // |
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33 | // |
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34 | // File name: G4VEnergyLossProcess |
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35 | // |
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36 | // Author: Vladimir Ivanchenko |
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37 | // |
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38 | // Creation date: 03.01.2002 |
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39 | // |
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40 | // Modifications: |
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41 | // |
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42 | // 13-11-02 Minor fix - use normalised direction (V.Ivanchenko) |
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43 | // 04-12-02 Minor change in PostStepDoIt (V.Ivanchenko) |
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44 | // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko) |
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45 | // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko) |
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46 | // 04-01-03 Fix problem of very small steps for ions (V.Ivanchenko) |
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47 | // 20-01-03 Migrade to cut per region (V.Ivanchenko) |
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48 | // 24-01-03 Temporarily close a control on usage of couples (V.Ivanchenko) |
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49 | // 24-01-03 Make models region aware (V.Ivanchenko) |
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50 | // 05-02-03 Fix compilation warnings (V.Ivanchenko) |
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51 | // 06-02-03 Add control on tmax in PostStepDoIt (V.Ivanchenko) |
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52 | // 13-02-03 SubCutoffProcessors defined for regions (V.Ivanchenko) |
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53 | // 15-02-03 Lambda table can be scaled (V.Ivanchenko) |
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54 | // 17-02-03 Fix problem of store/restore tables (V.Ivanchenko) |
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55 | // 18-02-03 Add control on CutCouple usage (V.Ivanchenko) |
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56 | // 26-02-03 Simplify control on GenericIons (V.Ivanchenko) |
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57 | // 06-03-03 Control on GenericIons using SubType + update verbose (V.Ivanchenko) |
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58 | // 10-03-03 Add Ion registration (V.Ivanchenko) |
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59 | // 22-03-03 Add Initialisation of cash (V.Ivanchenko) |
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60 | // 26-03-03 Remove finalRange modification (V.Ivanchenko) |
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61 | // 09-04-03 Fix problem of negative range limit for non integral (V.Ivanchenko) |
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62 | // 26-04-03 Fix retrieve tables (V.Ivanchenko) |
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63 | // 06-05-03 Set defalt finalRange = 1 mm (V.Ivanchenko) |
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64 | // 12-05-03 Update range calculations + lowKinEnergy (V.Ivanchenko) |
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65 | // 13-05-03 Add calculation of precise range (V.Ivanchenko) |
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66 | // 23-05-03 Remove tracking cuts (V.Ivanchenko) |
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67 | // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko) |
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68 | // 21-07-03 Add UpdateEmModel method (V.Ivanchenko) |
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69 | // 03-11-03 Fix initialisation problem in RetrievePhysicsTable (V.Ivanchenko) |
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70 | // 04-11-03 Add checks in RetrievePhysicsTable (V.Ivanchenko) |
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71 | // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko) |
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72 | // 21-01-04 Migrade to G4ParticleChangeForLoss (V.Ivanchenko) |
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73 | // 27-02-04 Fix problem of loss in low presure gases, cleanup precise range |
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74 | // calculation, use functions ForLoss in AlongStepDoIt (V.Ivanchenko) |
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75 | // 10-03-04 Fix a problem of Precise Range table (V.Ivanchenko) |
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76 | // 19-03-04 Fix a problem energy below lowestKinEnergy (V.Ivanchenko) |
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77 | // 31-03-04 Fix a problem of retrieve tables (V.Ivanchenko) |
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78 | // 21-07-04 Check weather AtRest are active or not (V.Ivanchenko) |
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79 | // 03-08-04 Add pointer of DEDX table to all processes (V.Ivanchenko) |
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80 | // 06-08-04 Clear up names of member functions (V.Ivanchenko) |
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81 | // 06-08-04 Clear up names of member functions (V.Ivanchenko) |
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82 | // 27-08-04 Add NeedBuildTables method (V.Ivanchneko) |
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83 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) |
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84 | // 11-03-05 Shift verbose level by 1 (V.Ivantchenko) |
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85 | // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) |
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86 | // 11-04-05 Use MaxSecondaryEnergy from a model (V.Ivanchenko) |
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87 | // 25-07-05 Add extra protection PostStep for non-integral mode (V.Ivanchenko) |
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88 | // 12-08-05 Integral=false; SetStepFunction(0.2, 0.1*mm) (mma) |
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89 | // 18-08-05 Return back both AlongStep and PostStep from 7.0 (V.Ivanchenko) |
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90 | // 02-09-05 Default StepFunction 0.2 1 mm + integral (V.Ivanchenko) |
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91 | // 04-09-05 default lambdaFactor 0.8 (V.Ivanchenko) |
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92 | // 05-10-05 protection against 0 energy loss added (L.Urban) |
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93 | // 17-10-05 protection above has been removed (L.Urban) |
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94 | // 06-01-06 reset currentCouple when StepFunction is changed (V.Ivanchenko) |
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95 | // 10-01-06 PreciseRange -> CSDARange (V.Ivantchenko) |
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96 | // 18-01-06 Clean up subcutoff including recalculation of presafety (VI) |
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97 | // 20-01-06 Introduce G4EmTableType and reducing number of methods (VI) |
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98 | // 22-03-06 Add control on warning printout AlongStep (VI) |
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99 | // 23-03-06 Use isIonisation flag (V.Ivanchenko) |
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100 | // 07-06-06 Do not reflect AlongStep in subcutoff regime (V.Ivanchenko) |
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101 | // 14-01-07 add SetEmModel(index) and SetFluctModel() (mma) |
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102 | // 16-01-07 add IonisationTable and IonisationSubTable (V.Ivanchenko) |
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103 | // 16-02-07 set linLossLimit=1.e-6 (V.Ivanchenko) |
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104 | // 13-03-07 use SafetyHelper instead of navigator (V.Ivanchenko) |
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105 | // 10-04-07 use unique SafetyHelper (V.Ivanchenko) |
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106 | // 12-04-07 Add verbosity at destruction (V.Ivanchenko) |
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107 | // 25-04-07 move initialisation of safety helper to BuildPhysicsTable (VI) |
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108 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
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109 | // |
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110 | // Class Description: |
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111 | // |
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112 | // It is the unified energy loss process it calculates the continuous |
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113 | // energy loss for charged particles using a set of Energy Loss |
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114 | // models valid for different energy regions. There are a possibility |
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115 | // to create and access to dE/dx and range tables, or to calculate |
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116 | // that information on fly. |
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117 | // ------------------------------------------------------------------- |
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118 | // |
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119 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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120 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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121 | |
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122 | #include "G4VEnergyLossProcess.hh" |
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123 | #include "G4LossTableManager.hh" |
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124 | #include "G4Step.hh" |
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125 | #include "G4ParticleDefinition.hh" |
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126 | #include "G4VEmModel.hh" |
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127 | #include "G4VEmFluctuationModel.hh" |
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128 | #include "G4DataVector.hh" |
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129 | #include "G4PhysicsLogVector.hh" |
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130 | #include "G4VParticleChange.hh" |
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131 | #include "G4Gamma.hh" |
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132 | #include "G4Electron.hh" |
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133 | #include "G4Positron.hh" |
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134 | #include "G4Proton.hh" |
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135 | #include "G4ProcessManager.hh" |
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136 | #include "G4UnitsTable.hh" |
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137 | #include "G4GenericIon.hh" |
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138 | #include "G4ProductionCutsTable.hh" |
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139 | #include "G4Region.hh" |
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140 | #include "G4RegionStore.hh" |
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141 | #include "G4PhysicsTableHelper.hh" |
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142 | #include "G4SafetyHelper.hh" |
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143 | #include "G4TransportationManager.hh" |
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144 | |
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145 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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146 | |
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147 | G4VEnergyLossProcess::G4VEnergyLossProcess(const G4String& name, |
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148 | G4ProcessType type): |
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149 | G4VContinuousDiscreteProcess(name, type), |
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150 | secondaryParticle(0), |
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151 | nSCoffRegions(0), |
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152 | nDERegions(0), |
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153 | idxSCoffRegions(0), |
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154 | idxDERegions(0), |
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155 | nProcesses(0), |
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156 | theDEDXTable(0), |
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157 | theDEDXSubTable(0), |
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158 | theDEDXunRestrictedTable(0), |
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159 | theIonisationTable(0), |
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160 | theIonisationSubTable(0), |
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161 | theRangeTableForLoss(0), |
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162 | theCSDARangeTable(0), |
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163 | theSecondaryRangeTable(0), |
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164 | theInverseRangeTable(0), |
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165 | theLambdaTable(0), |
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166 | theSubLambdaTable(0), |
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167 | theDEDXAtMaxEnergy(0), |
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168 | theRangeAtMaxEnergy(0), |
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169 | theEnergyOfCrossSectionMax(0), |
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170 | theCrossSectionMax(0), |
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171 | baseParticle(0), |
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172 | minSubRange(0.1), |
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173 | lossFluctuationFlag(true), |
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174 | rndmStepFlag(false), |
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175 | tablesAreBuilt(false), |
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176 | integral(true), |
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177 | isIon(false), |
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178 | isIonisation(true), |
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179 | useSubCutoff(false), |
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180 | useDeexcitation(false), |
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181 | particle(0), |
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182 | currentCouple(0), |
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183 | nWarnings(0), |
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184 | mfpKinEnergy(0.0) |
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185 | { |
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186 | SetVerboseLevel(1); |
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187 | |
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188 | // low energy limit |
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189 | lowestKinEnergy = 1.*eV; |
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190 | |
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191 | // Size of tables assuming spline |
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192 | minKinEnergy = 0.1*keV; |
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193 | maxKinEnergy = 100.0*TeV; |
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194 | nBins = 84; |
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195 | maxKinEnergyCSDA = 1.0*GeV; |
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196 | nBinsCSDA = 35; |
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197 | |
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198 | // default linear loss limit for spline |
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199 | linLossLimit = 0.01; |
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200 | |
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201 | // default dRoverRange and finalRange |
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202 | SetStepFunction(0.2, 1.0*mm); |
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203 | |
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204 | // default lambda factor |
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205 | lambdaFactor = 0.8; |
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206 | |
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207 | // particle types |
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208 | theElectron = G4Electron::Electron(); |
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209 | thePositron = G4Positron::Positron(); |
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210 | theGenericIon = 0; |
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211 | |
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212 | // run time objects |
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213 | pParticleChange = &fParticleChange; |
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214 | modelManager = new G4EmModelManager(); |
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215 | safetyHelper = G4TransportationManager::GetTransportationManager() |
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216 | ->GetSafetyHelper(); |
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217 | aGPILSelection = CandidateForSelection; |
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218 | |
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219 | // initialise model |
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220 | (G4LossTableManager::Instance())->Register(this); |
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221 | fluctModel = 0; |
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222 | |
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223 | scTracks.reserve(5); |
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224 | secParticles.reserve(5); |
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225 | |
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226 | // Data for stragling of ranges from ICRU'37 report |
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227 | const G4int nrbins = 7; |
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228 | vstrag = new G4PhysicsLogVector(keV, GeV, nrbins-1); |
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229 | vstrag->SetSpline(true); |
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230 | G4double s[nrbins] = {-0.2, -0.85, -1.3, -1.578, -1.76, -1.85, -1.9}; |
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231 | for(G4int i=0; i<nrbins; i++) {vstrag->PutValue(i, s[i]);} |
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232 | } |
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233 | |
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234 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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235 | |
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236 | G4VEnergyLossProcess::~G4VEnergyLossProcess() |
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237 | { |
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238 | if(1 < verboseLevel) |
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239 | G4cout << "G4VEnergyLossProcess destruct " << GetProcessName() |
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240 | << G4endl; |
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241 | delete vstrag; |
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242 | Clean(); |
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243 | |
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244 | if ( !baseParticle ) { |
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245 | if(theDEDXTable && theRangeTableForLoss) { |
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246 | if(theIonisationTable == theDEDXTable) theIonisationTable = 0; |
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247 | theDEDXTable->clearAndDestroy(); |
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248 | delete theDEDXTable; |
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249 | if(theDEDXSubTable) { |
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250 | if(theIonisationSubTable == theDEDXSubTable) |
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251 | theIonisationSubTable = 0; |
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252 | theDEDXSubTable->clearAndDestroy(); |
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253 | delete theDEDXSubTable; |
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254 | } |
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255 | } |
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256 | if(theIonisationTable) { |
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257 | theIonisationTable->clearAndDestroy(); |
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258 | delete theIonisationTable; |
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259 | } |
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260 | if(theIonisationSubTable) { |
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261 | theIonisationSubTable->clearAndDestroy(); |
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262 | delete theIonisationSubTable; |
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263 | } |
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264 | if(theDEDXunRestrictedTable && theCSDARangeTable) { |
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265 | theDEDXunRestrictedTable->clearAndDestroy(); |
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266 | delete theDEDXunRestrictedTable; |
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267 | } |
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268 | if(theCSDARangeTable) { |
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269 | theCSDARangeTable->clearAndDestroy(); |
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270 | delete theCSDARangeTable; |
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271 | } |
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272 | if(theRangeTableForLoss) { |
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273 | theRangeTableForLoss->clearAndDestroy(); |
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274 | delete theRangeTableForLoss; |
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275 | } |
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276 | if(theInverseRangeTable) { |
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277 | theInverseRangeTable->clearAndDestroy(); |
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278 | delete theInverseRangeTable; |
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279 | } |
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280 | if(theLambdaTable) { |
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281 | theLambdaTable->clearAndDestroy(); |
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282 | delete theLambdaTable; |
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283 | } |
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284 | if(theSubLambdaTable) { |
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285 | theSubLambdaTable->clearAndDestroy(); |
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286 | delete theSubLambdaTable; |
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287 | } |
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288 | } |
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289 | |
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290 | delete modelManager; |
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291 | (G4LossTableManager::Instance())->DeRegister(this); |
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292 | } |
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293 | |
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294 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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295 | |
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296 | void G4VEnergyLossProcess::Clean() |
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297 | { |
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298 | if(1 < verboseLevel) { |
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299 | G4cout << "G4VEnergyLossProcess::Clear() for " << GetProcessName() |
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300 | << G4endl; |
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301 | } |
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302 | delete [] theDEDXAtMaxEnergy; |
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303 | delete [] theRangeAtMaxEnergy; |
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304 | delete [] theEnergyOfCrossSectionMax; |
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305 | delete [] theCrossSectionMax; |
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306 | delete [] idxSCoffRegions; |
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307 | delete [] idxDERegions; |
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308 | |
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309 | theDEDXAtMaxEnergy = 0; |
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310 | theRangeAtMaxEnergy = 0; |
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311 | theEnergyOfCrossSectionMax = 0; |
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312 | theCrossSectionMax = 0; |
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313 | tablesAreBuilt = false; |
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314 | |
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315 | //scTracks.clear(); |
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316 | scProcesses.clear(); |
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317 | nProcesses = 0; |
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318 | } |
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319 | |
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320 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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321 | |
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322 | G4double G4VEnergyLossProcess::MinPrimaryEnergy(const G4ParticleDefinition*, |
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323 | const G4Material*, |
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324 | G4double cut) |
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325 | { |
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326 | return cut; |
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327 | } |
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328 | |
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329 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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330 | |
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331 | void |
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332 | G4VEnergyLossProcess::PreparePhysicsTable(const G4ParticleDefinition& part) |
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333 | { |
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334 | if(1 < verboseLevel) { |
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335 | G4cout << "G4VEnergyLossProcess::PreparePhysicsTable for " |
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336 | << GetProcessName() |
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337 | << " for " << part.GetParticleName() |
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338 | << G4endl; |
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339 | } |
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340 | |
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341 | currentCouple = 0; |
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342 | preStepLambda = 0.0; |
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343 | mfpKinEnergy = DBL_MAX; |
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344 | fRange = DBL_MAX; |
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345 | preStepKinEnergy = 0.0; |
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346 | chargeSqRatio = 1.0; |
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347 | massRatio = 1.0; |
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348 | reduceFactor = 1.0; |
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349 | |
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350 | G4LossTableManager* lManager = G4LossTableManager::Instance(); |
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351 | |
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352 | // Are particle defined? |
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353 | if( !particle ) { |
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354 | particle = ∂ |
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355 | if(part.GetParticleType() == "nucleus") { |
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356 | if(!theGenericIon) theGenericIon = G4GenericIon::GenericIon(); |
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357 | if(particle == theGenericIon) { isIon = true; } |
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358 | else if(part.GetPDGCharge() > eplus) { |
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359 | isIon = true; |
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360 | |
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361 | // generic ions created on-fly |
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362 | if(part.GetPDGCharge() > 2.5*eplus) { |
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363 | particle = theGenericIon; |
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364 | } |
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365 | } |
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366 | } |
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367 | } |
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368 | |
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369 | if( particle != &part) { |
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370 | if(part.GetParticleType() == "nucleus") { |
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371 | isIon = true; |
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372 | lManager->RegisterIon(&part, this); |
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373 | } else { |
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374 | lManager->RegisterExtraParticle(&part, this); |
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375 | } |
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376 | return; |
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377 | } |
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378 | |
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379 | Clean(); |
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380 | |
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381 | // Base particle and set of models can be defined here |
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382 | InitialiseEnergyLossProcess(particle, baseParticle); |
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383 | |
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384 | // Tables preparation |
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385 | if (!baseParticle) { |
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386 | |
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387 | theDEDXTable = G4PhysicsTableHelper::PreparePhysicsTable(theDEDXTable); |
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388 | if (lManager->BuildCSDARange()) { |
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389 | theDEDXunRestrictedTable = |
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390 | G4PhysicsTableHelper::PreparePhysicsTable(theDEDXunRestrictedTable); |
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391 | theCSDARangeTable = |
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392 | G4PhysicsTableHelper::PreparePhysicsTable(theCSDARangeTable); |
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393 | } |
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394 | |
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395 | theRangeTableForLoss = |
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396 | G4PhysicsTableHelper::PreparePhysicsTable(theRangeTableForLoss); |
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397 | theInverseRangeTable = |
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398 | G4PhysicsTableHelper::PreparePhysicsTable(theInverseRangeTable); |
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399 | |
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400 | theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable); |
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401 | if (nSCoffRegions) { |
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402 | theDEDXSubTable = |
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403 | G4PhysicsTableHelper::PreparePhysicsTable(theDEDXSubTable); |
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404 | theSubLambdaTable = |
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405 | G4PhysicsTableHelper::PreparePhysicsTable(theSubLambdaTable); |
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406 | } |
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407 | } |
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408 | |
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409 | G4double initialCharge = particle->GetPDGCharge(); |
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410 | G4double initialMass = particle->GetPDGMass(); |
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411 | |
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412 | if (baseParticle) { |
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413 | massRatio = (baseParticle->GetPDGMass())/initialMass; |
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414 | G4double q = initialCharge/baseParticle->GetPDGCharge(); |
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415 | chargeSqRatio = q*q; |
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416 | if(chargeSqRatio > 0.0) reduceFactor = 1.0/(chargeSqRatio*massRatio); |
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417 | } |
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418 | |
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419 | theCuts = modelManager->Initialise(particle, secondaryParticle, |
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420 | minSubRange, verboseLevel); |
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421 | |
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422 | // Sub Cutoff and Deexcitation |
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423 | if (nSCoffRegions>0 || nDERegions>0) { |
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424 | theSubCuts = modelManager->SubCutoff(); |
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425 | |
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426 | const G4ProductionCutsTable* theCoupleTable= |
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427 | G4ProductionCutsTable::GetProductionCutsTable(); |
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428 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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429 | |
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430 | if(nSCoffRegions>0) idxSCoffRegions = new G4bool[numOfCouples]; |
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431 | if(nDERegions>0) idxDERegions = new G4bool[numOfCouples]; |
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432 | |
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433 | for (size_t j=0; j<numOfCouples; j++) { |
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434 | |
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435 | const G4MaterialCutsCouple* couple = |
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436 | theCoupleTable->GetMaterialCutsCouple(j); |
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437 | const G4ProductionCuts* pcuts = couple->GetProductionCuts(); |
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438 | |
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439 | if(nSCoffRegions>0) { |
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440 | G4bool reg = false; |
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441 | for(G4int i=0; i<nSCoffRegions; i++) { |
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442 | if( pcuts == scoffRegions[i]->GetProductionCuts()) reg = true; |
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443 | } |
---|
444 | idxSCoffRegions[j] = reg; |
---|
445 | } |
---|
446 | if(nDERegions>0) { |
---|
447 | G4bool reg = false; |
---|
448 | for(G4int i=0; i<nDERegions; i++) { |
---|
449 | if( pcuts == deRegions[i]->GetProductionCuts()) reg = true; |
---|
450 | } |
---|
451 | idxDERegions[j] = reg; |
---|
452 | } |
---|
453 | } |
---|
454 | } |
---|
455 | |
---|
456 | lManager->EnergyLossProcessIsInitialised(particle, this); |
---|
457 | |
---|
458 | if (1 < verboseLevel) { |
---|
459 | G4cout << "G4VEnergyLossProcess::Initialise() is done " |
---|
460 | << " for local " << particle->GetParticleName() |
---|
461 | << " isIon= " << isIon |
---|
462 | << " chargeSqRatio= " << chargeSqRatio |
---|
463 | << " massRatio= " << massRatio |
---|
464 | << " reduceFactor= " << reduceFactor << G4endl; |
---|
465 | if (nSCoffRegions) { |
---|
466 | G4cout << " SubCutoff Regime is ON for regions: " << G4endl; |
---|
467 | for (G4int i=0; i<nSCoffRegions; i++) { |
---|
468 | const G4Region* r = scoffRegions[i]; |
---|
469 | G4cout << " " << r->GetName() << G4endl; |
---|
470 | } |
---|
471 | } |
---|
472 | if (nDERegions) { |
---|
473 | G4cout << " Deexcitation is ON for regions: " << G4endl; |
---|
474 | for (G4int i=0; i<nDERegions; i++) { |
---|
475 | const G4Region* r = deRegions[i]; |
---|
476 | G4cout << " " << r->GetName() << G4endl; |
---|
477 | } |
---|
478 | } |
---|
479 | } |
---|
480 | } |
---|
481 | |
---|
482 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
483 | |
---|
484 | void G4VEnergyLossProcess::BuildPhysicsTable(const G4ParticleDefinition& part) |
---|
485 | { |
---|
486 | if(1 < verboseLevel) { |
---|
487 | G4cout << "### G4VEnergyLossProcess::BuildPhysicsTable() for " |
---|
488 | << GetProcessName() |
---|
489 | << " and particle " << part.GetParticleName() |
---|
490 | << "; local: " << particle->GetParticleName(); |
---|
491 | if(baseParticle) G4cout << "; base: " << baseParticle->GetParticleName(); |
---|
492 | G4cout << G4endl; |
---|
493 | } |
---|
494 | |
---|
495 | if(&part == particle) { |
---|
496 | if(!tablesAreBuilt) { |
---|
497 | G4LossTableManager::Instance()->BuildPhysicsTable(particle, this); |
---|
498 | } |
---|
499 | if(!baseParticle) { |
---|
500 | if(0 < verboseLevel) PrintInfoDefinition(); |
---|
501 | |
---|
502 | // needs to be done only once |
---|
503 | safetyHelper->InitialiseHelper(); |
---|
504 | } |
---|
505 | } |
---|
506 | |
---|
507 | if(1 < verboseLevel) { |
---|
508 | G4cout << "### G4VEnergyLossProcess::BuildPhysicsTable() done for " |
---|
509 | << GetProcessName() |
---|
510 | << " and particle " << part.GetParticleName(); |
---|
511 | if(isIonisation) G4cout << " isIonisation flag = 1"; |
---|
512 | G4cout << G4endl; |
---|
513 | } |
---|
514 | } |
---|
515 | |
---|
516 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
517 | |
---|
518 | G4PhysicsTable* G4VEnergyLossProcess::BuildDEDXTable(G4EmTableType tType) |
---|
519 | { |
---|
520 | if(1 < verboseLevel) { |
---|
521 | G4cout << "G4VEnergyLossProcess::BuildDEDXTable() of type " << tType |
---|
522 | << " for " << GetProcessName() |
---|
523 | << " and particle " << particle->GetParticleName() |
---|
524 | << G4endl; |
---|
525 | } |
---|
526 | G4PhysicsTable* table = 0; |
---|
527 | G4double emin = minKinEnergy; |
---|
528 | G4double emax = maxKinEnergy; |
---|
529 | G4int bin = nBins; |
---|
530 | |
---|
531 | if(fTotal == tType) { |
---|
532 | emax = maxKinEnergyCSDA; |
---|
533 | bin = nBinsCSDA; |
---|
534 | table = theDEDXunRestrictedTable; |
---|
535 | } else if(fRestricted == tType) { |
---|
536 | table = theDEDXTable; |
---|
537 | if(theIonisationTable) |
---|
538 | table = G4PhysicsTableHelper::PreparePhysicsTable(theIonisationTable); |
---|
539 | } else if(fSubRestricted == tType) { |
---|
540 | table = theDEDXSubTable; |
---|
541 | if(theIonisationSubTable) |
---|
542 | table = G4PhysicsTableHelper::PreparePhysicsTable(theIonisationSubTable); |
---|
543 | } else { |
---|
544 | G4cout << "G4VEnergyLossProcess::BuildDEDXTable WARNING: wrong type " |
---|
545 | << tType << G4endl; |
---|
546 | } |
---|
547 | |
---|
548 | // Access to materials |
---|
549 | const G4ProductionCutsTable* theCoupleTable= |
---|
550 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
551 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
---|
552 | |
---|
553 | if(1 < verboseLevel) { |
---|
554 | G4cout << numOfCouples << " materials" |
---|
555 | << " minKinEnergy= " << minKinEnergy |
---|
556 | << " maxKinEnergy= " << maxKinEnergy |
---|
557 | << " EmTableType= " << tType |
---|
558 | << " table= " << table |
---|
559 | << G4endl; |
---|
560 | } |
---|
561 | if(!table) return table; |
---|
562 | |
---|
563 | for(size_t i=0; i<numOfCouples; i++) { |
---|
564 | |
---|
565 | if(1 < verboseLevel) { |
---|
566 | G4cout << "G4VEnergyLossProcess::BuildDEDXVector flag= " |
---|
567 | << table->GetFlag(i) << G4endl; |
---|
568 | } |
---|
569 | if (table->GetFlag(i)) { |
---|
570 | |
---|
571 | // create physics vector and fill it |
---|
572 | const G4MaterialCutsCouple* couple = |
---|
573 | theCoupleTable->GetMaterialCutsCouple(i); |
---|
574 | G4PhysicsVector* aVector = new G4PhysicsLogVector(emin, emax, bin); |
---|
575 | aVector->SetSpline((G4LossTableManager::Instance())->SplineFlag()); |
---|
576 | |
---|
577 | modelManager->FillDEDXVector(aVector, couple, tType); |
---|
578 | |
---|
579 | // Insert vector for this material into the table |
---|
580 | G4PhysicsTableHelper::SetPhysicsVector(table, i, aVector); |
---|
581 | } |
---|
582 | } |
---|
583 | |
---|
584 | if(1 < verboseLevel) { |
---|
585 | G4cout << "G4VEnergyLossProcess::BuildDEDXTable(): table is built for " |
---|
586 | << particle->GetParticleName() |
---|
587 | << " and process " << GetProcessName() |
---|
588 | << G4endl; |
---|
589 | // if(2 < verboseLevel) G4cout << (*table) << G4endl; |
---|
590 | } |
---|
591 | |
---|
592 | return table; |
---|
593 | } |
---|
594 | |
---|
595 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
596 | |
---|
597 | G4PhysicsTable* G4VEnergyLossProcess::BuildLambdaTable(G4EmTableType tType) |
---|
598 | { |
---|
599 | G4PhysicsTable* table = 0; |
---|
600 | |
---|
601 | if(fRestricted == tType) { |
---|
602 | table = theLambdaTable; |
---|
603 | } else if(fSubRestricted == tType) { |
---|
604 | table = theSubLambdaTable; |
---|
605 | } else { |
---|
606 | G4cout << "G4VEnergyLossProcess::BuildLambdaTable WARNING: wrong type " |
---|
607 | << tType << G4endl; |
---|
608 | } |
---|
609 | |
---|
610 | if(1 < verboseLevel) { |
---|
611 | G4cout << "G4VEnergyLossProcess::BuildLambdaTable() of type " |
---|
612 | << tType << " for process " |
---|
613 | << GetProcessName() << " and particle " |
---|
614 | << particle->GetParticleName() |
---|
615 | << " EmTableType= " << tType |
---|
616 | << " table= " << table |
---|
617 | << G4endl; |
---|
618 | } |
---|
619 | if(!table) {return table;} |
---|
620 | |
---|
621 | // Access to materials |
---|
622 | const G4ProductionCutsTable* theCoupleTable= |
---|
623 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
624 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
---|
625 | |
---|
626 | for(size_t i=0; i<numOfCouples; i++) { |
---|
627 | |
---|
628 | if (table->GetFlag(i)) { |
---|
629 | |
---|
630 | // create physics vector and fill it |
---|
631 | const G4MaterialCutsCouple* couple = |
---|
632 | theCoupleTable->GetMaterialCutsCouple(i); |
---|
633 | G4double cut = (*theCuts)[i]; |
---|
634 | if(fSubRestricted == tType) cut = (*theSubCuts)[i]; |
---|
635 | G4PhysicsVector* aVector = LambdaPhysicsVector(couple, cut); |
---|
636 | modelManager->FillLambdaVector(aVector, couple, true, tType); |
---|
637 | |
---|
638 | // Insert vector for this material into the table |
---|
639 | G4PhysicsTableHelper::SetPhysicsVector(table, i, aVector); |
---|
640 | } |
---|
641 | } |
---|
642 | |
---|
643 | if(1 < verboseLevel) { |
---|
644 | G4cout << "Lambda table is built for " |
---|
645 | << particle->GetParticleName() |
---|
646 | << G4endl; |
---|
647 | } |
---|
648 | |
---|
649 | return table; |
---|
650 | } |
---|
651 | |
---|
652 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
653 | |
---|
654 | void G4VEnergyLossProcess::PrintInfoDefinition() |
---|
655 | { |
---|
656 | if(0 < verboseLevel) { |
---|
657 | G4cout << G4endl << GetProcessName() << ": for " |
---|
658 | << particle->GetParticleName() |
---|
659 | << " SubType= " << GetProcessSubType() |
---|
660 | << G4endl |
---|
661 | << " dE/dx and range tables from " |
---|
662 | << G4BestUnit(minKinEnergy,"Energy") |
---|
663 | << " to " << G4BestUnit(maxKinEnergy,"Energy") |
---|
664 | << " in " << nBins << " bins" << G4endl |
---|
665 | << " Lambda tables from threshold to " |
---|
666 | << G4BestUnit(maxKinEnergy,"Energy") |
---|
667 | << " in " << nBins << " bins, spline: " |
---|
668 | << (G4LossTableManager::Instance())->SplineFlag() |
---|
669 | << G4endl; |
---|
670 | if(theRangeTableForLoss && isIonisation) { |
---|
671 | G4cout << " finalRange(mm)= " << finalRange/mm |
---|
672 | << ", dRoverRange= " << dRoverRange |
---|
673 | << ", integral: " << integral |
---|
674 | << ", fluct: " << lossFluctuationFlag |
---|
675 | << ", linLossLimit= " << linLossLimit |
---|
676 | << G4endl; |
---|
677 | } |
---|
678 | PrintInfo(); |
---|
679 | modelManager->DumpModelList(verboseLevel); |
---|
680 | if(theCSDARangeTable && isIonisation) { |
---|
681 | G4cout << " CSDA range table up" |
---|
682 | << " to " << G4BestUnit(maxKinEnergyCSDA,"Energy") |
---|
683 | << " in " << nBinsCSDA << " bins" << G4endl; |
---|
684 | } |
---|
685 | if(nSCoffRegions>0 && isIonisation) { |
---|
686 | G4cout << " Subcutoff sampling in " << nSCoffRegions |
---|
687 | << " regions" << G4endl; |
---|
688 | } |
---|
689 | if(2 < verboseLevel) { |
---|
690 | G4cout << " DEDXTable address= " << theDEDXTable << G4endl; |
---|
691 | if(theDEDXTable && isIonisation) G4cout << (*theDEDXTable) << G4endl; |
---|
692 | G4cout << "non restricted DEDXTable address= " |
---|
693 | << theDEDXunRestrictedTable << G4endl; |
---|
694 | if(theDEDXunRestrictedTable && isIonisation) { |
---|
695 | G4cout << (*theDEDXunRestrictedTable) << G4endl; |
---|
696 | } |
---|
697 | if(theDEDXSubTable && isIonisation) { |
---|
698 | G4cout << (*theDEDXSubTable) << G4endl; |
---|
699 | } |
---|
700 | G4cout << " CSDARangeTable address= " << theCSDARangeTable |
---|
701 | << G4endl; |
---|
702 | if(theCSDARangeTable && isIonisation) { |
---|
703 | G4cout << (*theCSDARangeTable) << G4endl; |
---|
704 | } |
---|
705 | G4cout << " RangeTableForLoss address= " << theRangeTableForLoss |
---|
706 | << G4endl; |
---|
707 | if(theRangeTableForLoss && isIonisation) { |
---|
708 | G4cout << (*theRangeTableForLoss) << G4endl; |
---|
709 | } |
---|
710 | G4cout << " InverseRangeTable address= " << theInverseRangeTable |
---|
711 | << G4endl; |
---|
712 | if(theInverseRangeTable && isIonisation) { |
---|
713 | G4cout << (*theInverseRangeTable) << G4endl; |
---|
714 | } |
---|
715 | G4cout << " LambdaTable address= " << theLambdaTable << G4endl; |
---|
716 | if(theLambdaTable && isIonisation) { |
---|
717 | G4cout << (*theLambdaTable) << G4endl; |
---|
718 | } |
---|
719 | G4cout << " SubLambdaTable address= " << theSubLambdaTable << G4endl; |
---|
720 | if(theSubLambdaTable && isIonisation) { |
---|
721 | G4cout << (*theSubLambdaTable) << G4endl; |
---|
722 | } |
---|
723 | } |
---|
724 | } |
---|
725 | } |
---|
726 | |
---|
727 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
728 | |
---|
729 | void G4VEnergyLossProcess::ActivateSubCutoff(G4bool val, const G4Region* r) |
---|
730 | { |
---|
731 | G4RegionStore* regionStore = G4RegionStore::GetInstance(); |
---|
732 | const G4Region* reg = r; |
---|
733 | if (!reg) {reg = regionStore->GetRegion("DefaultRegionForTheWorld", false);} |
---|
734 | |
---|
735 | // the region is in the list |
---|
736 | if (nSCoffRegions) { |
---|
737 | for (G4int i=0; i<nSCoffRegions; i++) { |
---|
738 | if (reg == scoffRegions[i]) { |
---|
739 | if(!val) deRegions[i] = 0; |
---|
740 | return; |
---|
741 | } |
---|
742 | } |
---|
743 | } |
---|
744 | |
---|
745 | // new region |
---|
746 | if(val) { |
---|
747 | useSubCutoff = true; |
---|
748 | scoffRegions.push_back(reg); |
---|
749 | nSCoffRegions++; |
---|
750 | } else { |
---|
751 | useSubCutoff = false; |
---|
752 | } |
---|
753 | } |
---|
754 | |
---|
755 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
756 | |
---|
757 | void G4VEnergyLossProcess::ActivateDeexcitation(G4bool val, const G4Region* r) |
---|
758 | { |
---|
759 | G4RegionStore* regionStore = G4RegionStore::GetInstance(); |
---|
760 | const G4Region* reg = r; |
---|
761 | if (!reg) {reg = regionStore->GetRegion("DefaultRegionForTheWorld", false);} |
---|
762 | |
---|
763 | // the region is in the list |
---|
764 | if (nDERegions) { |
---|
765 | for (G4int i=0; i<nDERegions; i++) { |
---|
766 | if (reg == deRegions[i]) { |
---|
767 | if(!val) deRegions[i] = 0; |
---|
768 | return; |
---|
769 | } |
---|
770 | } |
---|
771 | } |
---|
772 | |
---|
773 | // new region |
---|
774 | if(val) { |
---|
775 | useDeexcitation = true; |
---|
776 | deRegions.push_back(reg); |
---|
777 | nDERegions++; |
---|
778 | } else { |
---|
779 | useDeexcitation = false; |
---|
780 | } |
---|
781 | } |
---|
782 | |
---|
783 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
784 | |
---|
785 | G4double G4VEnergyLossProcess::AlongStepGetPhysicalInteractionLength( |
---|
786 | const G4Track&, |
---|
787 | G4double, |
---|
788 | G4double currentMinStep, |
---|
789 | G4double&, |
---|
790 | G4GPILSelection* selection) |
---|
791 | { |
---|
792 | G4double x = DBL_MAX; |
---|
793 | *selection = aGPILSelection; |
---|
794 | if(isIonisation) { |
---|
795 | fRange = GetScaledRangeForScaledEnergy(preStepScaledEnergy)*reduceFactor; |
---|
796 | |
---|
797 | x = fRange; |
---|
798 | G4double y = x*dRoverRange; |
---|
799 | |
---|
800 | if(x > finalRange && y < currentMinStep) { |
---|
801 | x = y + finalRange*(1.0 - dRoverRange)*(2.0 - finalRange/fRange); |
---|
802 | } else if (rndmStepFlag) {x = SampleRange();} |
---|
803 | //G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy |
---|
804 | // <<" range= "<<fRange <<" cMinSt="<<currentMinStep |
---|
805 | // << " limit= " << x <<G4endl; |
---|
806 | } |
---|
807 | //G4cout<<GetProcessName()<<": e= "<<preStepKinEnergy |
---|
808 | // <<" stepLimit= "<<x<<G4endl; |
---|
809 | return x; |
---|
810 | } |
---|
811 | |
---|
812 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
813 | |
---|
814 | G4double G4VEnergyLossProcess::PostStepGetPhysicalInteractionLength( |
---|
815 | const G4Track& track, |
---|
816 | G4double previousStepSize, |
---|
817 | G4ForceCondition* condition) |
---|
818 | { |
---|
819 | // condition is set to "Not Forced" |
---|
820 | *condition = NotForced; |
---|
821 | G4double x = DBL_MAX; |
---|
822 | |
---|
823 | // initialisation of material, mass, charge, model at the beginning of the step |
---|
824 | DefineMaterial(track.GetMaterialCutsCouple()); |
---|
825 | |
---|
826 | const G4ParticleDefinition* currPart = track.GetDefinition(); |
---|
827 | if(theGenericIon == particle) { |
---|
828 | massRatio = proton_mass_c2/currPart->GetPDGMass(); |
---|
829 | } |
---|
830 | preStepKinEnergy = track.GetKineticEnergy(); |
---|
831 | preStepScaledEnergy = preStepKinEnergy*massRatio; |
---|
832 | SelectModel(preStepScaledEnergy); |
---|
833 | |
---|
834 | if(isIon) { |
---|
835 | chargeSqRatio = |
---|
836 | currentModel->GetChargeSquareRatio(currPart,currentMaterial,preStepKinEnergy); |
---|
837 | reduceFactor = 1.0/(chargeSqRatio*massRatio); |
---|
838 | } |
---|
839 | //G4cout << "q2= " << chargeSqRatio << " massRatio= " << massRatio << G4endl; |
---|
840 | // initialisation for sampling of the interaction length |
---|
841 | if(previousStepSize <= DBL_MIN) theNumberOfInteractionLengthLeft = -1.0; |
---|
842 | if(theNumberOfInteractionLengthLeft < 0.0) mfpKinEnergy = DBL_MAX; |
---|
843 | |
---|
844 | // compute mean free path |
---|
845 | if(preStepScaledEnergy < mfpKinEnergy) { |
---|
846 | if (integral) ComputeLambdaForScaledEnergy(preStepScaledEnergy); |
---|
847 | else preStepLambda = GetLambdaForScaledEnergy(preStepScaledEnergy); |
---|
848 | if(preStepLambda <= DBL_MIN) mfpKinEnergy = 0.0; |
---|
849 | } |
---|
850 | |
---|
851 | // non-zero cross section |
---|
852 | if(preStepLambda > DBL_MIN) { |
---|
853 | if (theNumberOfInteractionLengthLeft < 0.0) { |
---|
854 | // beggining of tracking (or just after DoIt of this process) |
---|
855 | //G4cout<<"G4VEnergyLossProcess::PostStepGetPhysicalInteractionLength Reset"<<G4endl; |
---|
856 | ResetNumberOfInteractionLengthLeft(); |
---|
857 | } else if(currentInteractionLength < DBL_MAX) { |
---|
858 | // subtract NumberOfInteractionLengthLeft |
---|
859 | SubtractNumberOfInteractionLengthLeft(previousStepSize); |
---|
860 | if(theNumberOfInteractionLengthLeft < 0.) |
---|
861 | theNumberOfInteractionLengthLeft = perMillion; |
---|
862 | } |
---|
863 | |
---|
864 | // get mean free path and step limit |
---|
865 | currentInteractionLength = 1.0/preStepLambda; |
---|
866 | x = theNumberOfInteractionLengthLeft * currentInteractionLength; |
---|
867 | |
---|
868 | #ifdef G4VERBOSE |
---|
869 | if (verboseLevel>2){ |
---|
870 | G4cout << "G4VEnergyLossProcess::PostStepGetPhysicalInteractionLength "; |
---|
871 | G4cout << "[ " << GetProcessName() << "]" << G4endl; |
---|
872 | G4cout << " for " << currPart->GetParticleName() |
---|
873 | << " in Material " << currentMaterial->GetName() |
---|
874 | << " Ekin(MeV)= " << preStepKinEnergy/MeV |
---|
875 | <<G4endl; |
---|
876 | G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]" |
---|
877 | << "InteractionLength= " << x/cm <<"[cm] " <<G4endl; |
---|
878 | } |
---|
879 | #endif |
---|
880 | // zero cross section case |
---|
881 | } else { |
---|
882 | if(theNumberOfInteractionLengthLeft > DBL_MIN && |
---|
883 | currentInteractionLength < DBL_MAX) { |
---|
884 | // subtract NumberOfInteractionLengthLeft |
---|
885 | SubtractNumberOfInteractionLengthLeft(previousStepSize); |
---|
886 | if(theNumberOfInteractionLengthLeft < 0.) |
---|
887 | theNumberOfInteractionLengthLeft = perMillion; |
---|
888 | } |
---|
889 | currentInteractionLength = DBL_MAX; |
---|
890 | } |
---|
891 | return x; |
---|
892 | } |
---|
893 | |
---|
894 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
895 | |
---|
896 | G4VParticleChange* G4VEnergyLossProcess::AlongStepDoIt(const G4Track& track, |
---|
897 | const G4Step& step) |
---|
898 | { |
---|
899 | fParticleChange.InitializeForAlongStep(track); |
---|
900 | // The process has range table - calculate energy loss |
---|
901 | if(!isIonisation) return &fParticleChange; |
---|
902 | |
---|
903 | // Get the actual (true) Step length |
---|
904 | G4double length = step.GetStepLength(); |
---|
905 | if(length <= DBL_MIN) return &fParticleChange; |
---|
906 | G4double eloss = 0.0; |
---|
907 | G4double esecdep = 0.0; |
---|
908 | |
---|
909 | /* |
---|
910 | if(-1 < verboseLevel) { |
---|
911 | const G4ParticleDefinition* d = track.GetDefinition(); |
---|
912 | G4cout << "AlongStepDoIt for " |
---|
913 | << GetProcessName() << " and particle " |
---|
914 | << d->GetParticleName() |
---|
915 | << " eScaled(MeV)= " << preStepScaledEnergy/MeV |
---|
916 | << " range(mm)= " << fRange/mm |
---|
917 | << " s(mm)= " << length/mm |
---|
918 | << " q^2= " << chargeSqRatio |
---|
919 | << " md= " << d->GetPDGMass() |
---|
920 | << " status= " << track.GetTrackStatus() |
---|
921 | << G4endl; |
---|
922 | } |
---|
923 | */ |
---|
924 | |
---|
925 | const G4DynamicParticle* dynParticle = track.GetDynamicParticle(); |
---|
926 | |
---|
927 | // stopping |
---|
928 | if (length >= fRange) { |
---|
929 | eloss = preStepKinEnergy; |
---|
930 | if (useDeexcitation) { |
---|
931 | if(idxDERegions[currentMaterialIndex]) { |
---|
932 | currentModel->SampleDeexcitationAlongStep(currentMaterial, track, eloss); |
---|
933 | if(eloss < 0.0) eloss = 0.0; |
---|
934 | } |
---|
935 | } |
---|
936 | fParticleChange.SetProposedKineticEnergy(0.0); |
---|
937 | fParticleChange.ProposeLocalEnergyDeposit(eloss); |
---|
938 | return &fParticleChange; |
---|
939 | } |
---|
940 | |
---|
941 | // Short step |
---|
942 | eloss = GetDEDXForScaledEnergy(preStepScaledEnergy)*length; |
---|
943 | |
---|
944 | // Long step |
---|
945 | //} else { |
---|
946 | if(eloss > preStepKinEnergy*linLossLimit) { |
---|
947 | |
---|
948 | G4double x = |
---|
949 | GetScaledRangeForScaledEnergy(preStepScaledEnergy) - length/reduceFactor; |
---|
950 | eloss = preStepKinEnergy - ScaledKinEnergyForLoss(x)/massRatio; |
---|
951 | |
---|
952 | /* |
---|
953 | if(-1 < verboseLevel) |
---|
954 | G4cout << "Long STEP: rPre(mm)= " |
---|
955 | << GetScaledRangeForScaledEnergy(preStepScaledEnergy)/mm |
---|
956 | << " rPost(mm)= " << x/mm |
---|
957 | << " ePre(MeV)= " << preStepScaledEnergy/MeV |
---|
958 | << " eloss(MeV)= " << eloss/MeV |
---|
959 | << " eloss0(MeV)= " |
---|
960 | << GetDEDXForScaledEnergy(preStepScaledEnergy)*length/MeV |
---|
961 | << " lim(MeV)= " << preStepKinEnergy*linLossLimit/MeV |
---|
962 | << G4endl; |
---|
963 | */ |
---|
964 | } |
---|
965 | |
---|
966 | /* |
---|
967 | G4double eloss0 = eloss; |
---|
968 | if(-1 < verboseLevel ) { |
---|
969 | G4cout << "Before fluct: eloss(MeV)= " << eloss/MeV |
---|
970 | << " e-eloss= " << preStepKinEnergy-eloss |
---|
971 | << " step(mm)= " << length/mm |
---|
972 | << " range(mm)= " << fRange/mm |
---|
973 | << " fluct= " << lossFluctuationFlag |
---|
974 | << G4endl; |
---|
975 | } |
---|
976 | */ |
---|
977 | |
---|
978 | G4double cut = (*theCuts)[currentMaterialIndex]; |
---|
979 | G4double esec = 0.0; |
---|
980 | |
---|
981 | // SubCutOff |
---|
982 | if(useSubCutoff) { |
---|
983 | if(idxSCoffRegions[currentMaterialIndex]) { |
---|
984 | |
---|
985 | G4bool yes = false; |
---|
986 | G4StepPoint* prePoint = step.GetPreStepPoint(); |
---|
987 | |
---|
988 | // Check boundary |
---|
989 | if(prePoint->GetStepStatus() == fGeomBoundary) yes = true; |
---|
990 | |
---|
991 | // Check PrePoint |
---|
992 | else { |
---|
993 | G4double preSafety = prePoint->GetSafety(); |
---|
994 | G4double rcut = currentCouple->GetProductionCuts()->GetProductionCut(1); |
---|
995 | |
---|
996 | // recompute presafety |
---|
997 | if(preSafety < rcut) { |
---|
998 | preSafety = safetyHelper->ComputeSafety(prePoint->GetPosition()); |
---|
999 | } |
---|
1000 | |
---|
1001 | if(preSafety < rcut) yes = true; |
---|
1002 | |
---|
1003 | // Check PostPoint |
---|
1004 | else { |
---|
1005 | G4double postSafety = preSafety - length; |
---|
1006 | if(postSafety < rcut) { |
---|
1007 | postSafety = |
---|
1008 | safetyHelper->ComputeSafety(step.GetPostStepPoint()->GetPosition()); |
---|
1009 | if(postSafety < rcut) yes = true; |
---|
1010 | } |
---|
1011 | } |
---|
1012 | } |
---|
1013 | |
---|
1014 | // Decide to start subcut sampling |
---|
1015 | if(yes) { |
---|
1016 | |
---|
1017 | cut = (*theSubCuts)[currentMaterialIndex]; |
---|
1018 | eloss -= GetSubDEDXForScaledEnergy(preStepScaledEnergy)*length; |
---|
1019 | scTracks.clear(); |
---|
1020 | SampleSubCutSecondaries(scTracks, step, |
---|
1021 | currentModel,currentMaterialIndex, |
---|
1022 | esecdep); |
---|
1023 | // add bremsstrahlung sampling |
---|
1024 | /* |
---|
1025 | if(nProcesses > 0) { |
---|
1026 | for(G4int i=0; i<nProcesses; i++) { |
---|
1027 | (scProcesses[i])->SampleSubCutSecondaries( |
---|
1028 | scTracks, step, (scProcesses[i])-> |
---|
1029 | SelectModelForMaterial(preStepKinEnergy, currentMaterialIndex), |
---|
1030 | currentMaterialIndex,esecdep); |
---|
1031 | } |
---|
1032 | } |
---|
1033 | */ |
---|
1034 | G4int n = scTracks.size(); |
---|
1035 | if(n>0) { |
---|
1036 | G4ThreeVector mom = dynParticle->GetMomentum(); |
---|
1037 | fParticleChange.SetNumberOfSecondaries(n); |
---|
1038 | for(G4int i=0; i<n; i++) { |
---|
1039 | G4Track* t = scTracks[i]; |
---|
1040 | G4double e = t->GetKineticEnergy(); |
---|
1041 | if (t->GetDefinition() == thePositron) e += 2.0*electron_mass_c2; |
---|
1042 | esec += e; |
---|
1043 | pParticleChange->AddSecondary(t); |
---|
1044 | } |
---|
1045 | } |
---|
1046 | } |
---|
1047 | } |
---|
1048 | } |
---|
1049 | |
---|
1050 | // Corrections, which cannot be tabulated |
---|
1051 | currentModel->CorrectionsAlongStep(currentCouple, dynParticle, |
---|
1052 | eloss, esecdep, length); |
---|
1053 | |
---|
1054 | // Sample fluctuations |
---|
1055 | if (lossFluctuationFlag) { |
---|
1056 | G4VEmFluctuationModel* fluc = currentModel->GetModelOfFluctuations(); |
---|
1057 | if(fluc && |
---|
1058 | (eloss + esec + esecdep + lowestKinEnergy) < preStepKinEnergy) { |
---|
1059 | |
---|
1060 | G4double tmax = |
---|
1061 | std::min(currentModel->MaxSecondaryKinEnergy(dynParticle),cut); |
---|
1062 | G4double emean = eloss; |
---|
1063 | eloss = fluc->SampleFluctuations(currentMaterial,dynParticle, |
---|
1064 | tmax,length,emean); |
---|
1065 | /* |
---|
1066 | if(-1 < verboseLevel) |
---|
1067 | G4cout << "After fluct: eloss(MeV)= " << eloss/MeV |
---|
1068 | << " fluc= " << (eloss-eloss0)/MeV |
---|
1069 | << " ChargeSqRatio= " << chargeSqRatio |
---|
1070 | << " massRatio= " << massRatio |
---|
1071 | << " tmax= " << tmax |
---|
1072 | << G4endl; |
---|
1073 | */ |
---|
1074 | } |
---|
1075 | } |
---|
1076 | // add low-energy subcutoff particles |
---|
1077 | eloss += esecdep; |
---|
1078 | if(eloss < 0.0) eloss = 0.0; |
---|
1079 | |
---|
1080 | // deexcitation |
---|
1081 | else if (useDeexcitation) { |
---|
1082 | if(idxDERegions[currentMaterialIndex]) { |
---|
1083 | currentModel->SampleDeexcitationAlongStep(currentMaterial, track, eloss); |
---|
1084 | if(eloss < 0.0) eloss = 0.0; |
---|
1085 | } |
---|
1086 | } |
---|
1087 | |
---|
1088 | // Energy balanse |
---|
1089 | G4double finalT = preStepKinEnergy - eloss - esec; |
---|
1090 | if (finalT <= lowestKinEnergy) { |
---|
1091 | eloss = preStepKinEnergy - esec; |
---|
1092 | finalT = 0.0; |
---|
1093 | } else if(isIon) { |
---|
1094 | fParticleChange.SetProposedCharge( |
---|
1095 | currentModel->GetParticleCharge(track.GetDefinition(),currentMaterial,finalT)); |
---|
1096 | } |
---|
1097 | |
---|
1098 | fParticleChange.SetProposedKineticEnergy(finalT); |
---|
1099 | fParticleChange.ProposeLocalEnergyDeposit(eloss); |
---|
1100 | |
---|
1101 | /* |
---|
1102 | if(-1 < verboseLevel) { |
---|
1103 | G4cout << "Final value eloss(MeV)= " << eloss/MeV |
---|
1104 | << " preStepKinEnergy= " << preStepKinEnergy |
---|
1105 | << " postStepKinEnergy= " << finalT |
---|
1106 | << " lossFlag= " << lossFluctuationFlag |
---|
1107 | << " status= " << track.GetTrackStatus() |
---|
1108 | << G4endl; |
---|
1109 | } |
---|
1110 | */ |
---|
1111 | |
---|
1112 | return &fParticleChange; |
---|
1113 | } |
---|
1114 | |
---|
1115 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1116 | |
---|
1117 | void G4VEnergyLossProcess::SampleSubCutSecondaries( |
---|
1118 | std::vector<G4Track*>& tracks, |
---|
1119 | const G4Step& step, |
---|
1120 | G4VEmModel* model, |
---|
1121 | G4int idx, |
---|
1122 | G4double& /*extraEdep*/) |
---|
1123 | { |
---|
1124 | // Fast check weather subcutoff can work |
---|
1125 | G4double subcut = (*theSubCuts)[idx]; |
---|
1126 | G4double cut = (*theCuts)[idx]; |
---|
1127 | if(cut <= subcut) return; |
---|
1128 | |
---|
1129 | const G4Track* track = step.GetTrack(); |
---|
1130 | const G4DynamicParticle* dp = track->GetDynamicParticle(); |
---|
1131 | G4double e = dp->GetKineticEnergy()*massRatio; |
---|
1132 | G4bool b; |
---|
1133 | G4double cross = chargeSqRatio*(((*theSubLambdaTable)[idx])->GetValue(e,b)); |
---|
1134 | G4double length = step.GetStepLength(); |
---|
1135 | |
---|
1136 | // negligible probability to get any interaction |
---|
1137 | if(length*cross < perMillion) return; |
---|
1138 | /* |
---|
1139 | if(-1 < verboseLevel) |
---|
1140 | G4cout << "<<< Subcutoff for " << GetProcessName() |
---|
1141 | << " cross(1/mm)= " << cross*mm << ">>>" |
---|
1142 | << " e(MeV)= " << preStepScaledEnergy |
---|
1143 | << " matIdx= " << currentMaterialIndex |
---|
1144 | << G4endl; |
---|
1145 | */ |
---|
1146 | |
---|
1147 | // Sample subcutoff secondaries |
---|
1148 | G4StepPoint* preStepPoint = step.GetPreStepPoint(); |
---|
1149 | G4StepPoint* postStepPoint = step.GetPostStepPoint(); |
---|
1150 | G4ThreeVector prepoint = preStepPoint->GetPosition(); |
---|
1151 | G4ThreeVector dr = postStepPoint->GetPosition() - prepoint; |
---|
1152 | G4double pretime = preStepPoint->GetGlobalTime(); |
---|
1153 | G4double dt = postStepPoint->GetGlobalTime() - pretime; |
---|
1154 | //G4double dt = length/preStepPoint->GetVelocity(); |
---|
1155 | G4double fragment = 0.0; |
---|
1156 | |
---|
1157 | do { |
---|
1158 | G4double del = -std::log(G4UniformRand())/cross; |
---|
1159 | fragment += del/length; |
---|
1160 | if (fragment > 1.0) break; |
---|
1161 | |
---|
1162 | // sample secondaries |
---|
1163 | secParticles.clear(); |
---|
1164 | model->SampleSecondaries(&secParticles,track->GetMaterialCutsCouple(), |
---|
1165 | dp,subcut,cut); |
---|
1166 | |
---|
1167 | // position of subcutoff particles |
---|
1168 | G4ThreeVector r = prepoint + fragment*dr; |
---|
1169 | std::vector<G4DynamicParticle*>::iterator it; |
---|
1170 | for(it=secParticles.begin(); it!=secParticles.end(); it++) { |
---|
1171 | |
---|
1172 | G4bool addSec = true; |
---|
1173 | /* |
---|
1174 | // do not track very low-energy delta-electrons |
---|
1175 | if(theSecondaryRangeTable && (*it)->GetDefinition() == theElectron) { |
---|
1176 | G4bool b; |
---|
1177 | G4double ekin = (*it)->GetKineticEnergy(); |
---|
1178 | G4double rg = ((*theSecondaryRangeTable)[idx]->GetValue(ekin, b)); |
---|
1179 | // if(rg < currentMinSafety) { |
---|
1180 | if(rg < safetyHelper->ComputeSafety(r)) { |
---|
1181 | extraEdep += ekin; |
---|
1182 | delete (*it); |
---|
1183 | addSec = false; |
---|
1184 | } |
---|
1185 | } |
---|
1186 | */ |
---|
1187 | if(addSec) { |
---|
1188 | G4Track* t = new G4Track((*it), pretime + fragment*dt, r); |
---|
1189 | //G4Track* t = new G4Track((*it), pretime, r); |
---|
1190 | t->SetTouchableHandle(track->GetTouchableHandle()); |
---|
1191 | tracks.push_back(t); |
---|
1192 | |
---|
1193 | /* |
---|
1194 | if(-1 < verboseLevel) |
---|
1195 | G4cout << "New track " << t->GetDefinition()->GetParticleName() |
---|
1196 | << " e(keV)= " << t->GetKineticEnergy()/keV |
---|
1197 | << " fragment= " << fragment |
---|
1198 | << G4endl; |
---|
1199 | */ |
---|
1200 | } |
---|
1201 | } |
---|
1202 | } while (fragment <= 1.0); |
---|
1203 | } |
---|
1204 | |
---|
1205 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1206 | |
---|
1207 | G4VParticleChange* G4VEnergyLossProcess::PostStepDoIt(const G4Track& track, |
---|
1208 | const G4Step&) |
---|
1209 | { |
---|
1210 | fParticleChange.InitializeForPostStep(track); |
---|
1211 | G4double finalT = track.GetKineticEnergy(); |
---|
1212 | if(finalT <= lowestKinEnergy) return &fParticleChange; |
---|
1213 | |
---|
1214 | G4double postStepScaledEnergy = finalT*massRatio; |
---|
1215 | /* |
---|
1216 | if(-1 < verboseLevel) { |
---|
1217 | G4cout << GetProcessName() |
---|
1218 | << "::PostStepDoIt: E(MeV)= " << finalT/MeV |
---|
1219 | << G4endl; |
---|
1220 | } |
---|
1221 | */ |
---|
1222 | // Integral approach |
---|
1223 | if (integral) { |
---|
1224 | G4double lx = GetLambdaForScaledEnergy(postStepScaledEnergy); |
---|
1225 | /* |
---|
1226 | if(preStepLambda<lx && 1 < verboseLevel && nWarnings<200) { |
---|
1227 | G4cout << "WARNING: for " << particle->GetParticleName() |
---|
1228 | << " and " << GetProcessName() |
---|
1229 | << " E(MeV)= " << finalT/MeV |
---|
1230 | << " preLambda= " << preStepLambda |
---|
1231 | << " < " << lx << " (postLambda) " |
---|
1232 | << G4endl; |
---|
1233 | nWarnings++; |
---|
1234 | } |
---|
1235 | */ |
---|
1236 | if(preStepLambda*G4UniformRand() > lx) { |
---|
1237 | ClearNumberOfInteractionLengthLeft(); |
---|
1238 | return &fParticleChange; |
---|
1239 | } |
---|
1240 | } |
---|
1241 | |
---|
1242 | SelectModel(postStepScaledEnergy); |
---|
1243 | if(useDeexcitation) { |
---|
1244 | currentModel->SetDeexcitationFlag(idxDERegions[currentMaterialIndex]); |
---|
1245 | } |
---|
1246 | |
---|
1247 | const G4DynamicParticle* dynParticle = track.GetDynamicParticle(); |
---|
1248 | G4double tcut = (*theCuts)[currentMaterialIndex]; |
---|
1249 | |
---|
1250 | // sample secondaries |
---|
1251 | secParticles.clear(); |
---|
1252 | currentModel->SampleSecondaries(&secParticles, currentCouple, dynParticle, tcut); |
---|
1253 | |
---|
1254 | // save secondaries |
---|
1255 | G4int num = secParticles.size(); |
---|
1256 | if(num > 0) { |
---|
1257 | fParticleChange.SetNumberOfSecondaries(num); |
---|
1258 | for (G4int i=0; i<num; i++) { |
---|
1259 | fParticleChange.AddSecondary(secParticles[i]); |
---|
1260 | } |
---|
1261 | } |
---|
1262 | |
---|
1263 | /* |
---|
1264 | if(-1 < verboseLevel) { |
---|
1265 | G4cout << "::PostStepDoIt: Sample secondary; Efin= " |
---|
1266 | << fParticleChange.GetProposedKineticEnergy()/MeV |
---|
1267 | << " MeV; model= (" << currentModel->LowEnergyLimit() |
---|
1268 | << ", " << currentModel->HighEnergyLimit() << ")" |
---|
1269 | << " preStepLambda= " << preStepLambda |
---|
1270 | << " dir= " << track.GetMomentumDirection() |
---|
1271 | << " status= " << track.GetTrackStatus() |
---|
1272 | << G4endl; |
---|
1273 | } |
---|
1274 | */ |
---|
1275 | ClearNumberOfInteractionLengthLeft(); |
---|
1276 | return &fParticleChange; |
---|
1277 | } |
---|
1278 | |
---|
1279 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1280 | |
---|
1281 | G4bool G4VEnergyLossProcess::StorePhysicsTable( |
---|
1282 | const G4ParticleDefinition* part, const G4String& directory, |
---|
1283 | G4bool ascii) |
---|
1284 | { |
---|
1285 | G4bool res = true; |
---|
1286 | if ( baseParticle || part != particle ) return res; |
---|
1287 | |
---|
1288 | if(!StoreTable(part,theDEDXTable,ascii,directory,"DEDX")) |
---|
1289 | {res = false;} |
---|
1290 | |
---|
1291 | if(!StoreTable(part,theDEDXunRestrictedTable,ascii,directory,"DEDXnr")) |
---|
1292 | {res = false;} |
---|
1293 | |
---|
1294 | if(!StoreTable(part,theDEDXSubTable,ascii,directory,"SubDEDX")) |
---|
1295 | {res = false;} |
---|
1296 | |
---|
1297 | if(!StoreTable(part,theIonisationTable,ascii,directory,"Ionisation")) |
---|
1298 | {res = false;} |
---|
1299 | |
---|
1300 | if(!StoreTable(part,theIonisationSubTable,ascii,directory,"SubIonisation")) |
---|
1301 | {res = false;} |
---|
1302 | |
---|
1303 | if(isIonisation && |
---|
1304 | !StoreTable(part,theCSDARangeTable,ascii,directory,"CSDARange")) |
---|
1305 | {res = false;} |
---|
1306 | |
---|
1307 | if(isIonisation && |
---|
1308 | !StoreTable(part,theRangeTableForLoss,ascii,directory,"Range")) |
---|
1309 | {res = false;} |
---|
1310 | |
---|
1311 | if(isIonisation && |
---|
1312 | !StoreTable(part,theInverseRangeTable,ascii,directory,"InverseRange")) |
---|
1313 | {res = false;} |
---|
1314 | |
---|
1315 | if(!StoreTable(part,theLambdaTable,ascii,directory,"Lambda")) |
---|
1316 | {res = false;} |
---|
1317 | |
---|
1318 | if(!StoreTable(part,theSubLambdaTable,ascii,directory,"SubLambda")) |
---|
1319 | {res = false;} |
---|
1320 | |
---|
1321 | if ( res ) { |
---|
1322 | if(0 < verboseLevel) { |
---|
1323 | G4cout << "Physics tables are stored for " << particle->GetParticleName() |
---|
1324 | << " and process " << GetProcessName() |
---|
1325 | << " in the directory <" << directory |
---|
1326 | << "> " << G4endl; |
---|
1327 | } |
---|
1328 | } else { |
---|
1329 | G4cout << "Fail to store Physics Tables for " |
---|
1330 | << particle->GetParticleName() |
---|
1331 | << " and process " << GetProcessName() |
---|
1332 | << " in the directory <" << directory |
---|
1333 | << "> " << G4endl; |
---|
1334 | } |
---|
1335 | return res; |
---|
1336 | } |
---|
1337 | |
---|
1338 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo..... |
---|
1339 | |
---|
1340 | G4bool G4VEnergyLossProcess::RetrievePhysicsTable( |
---|
1341 | const G4ParticleDefinition* part, const G4String& directory, |
---|
1342 | G4bool ascii) |
---|
1343 | { |
---|
1344 | G4bool res = true; |
---|
1345 | const G4String particleName = part->GetParticleName(); |
---|
1346 | |
---|
1347 | if(1 < verboseLevel) { |
---|
1348 | G4cout << "G4VEnergyLossProcess::RetrievePhysicsTable() for " |
---|
1349 | << particleName << " and process " << GetProcessName() |
---|
1350 | << "; tables_are_built= " << tablesAreBuilt |
---|
1351 | << G4endl; |
---|
1352 | } |
---|
1353 | if(particle == part) { |
---|
1354 | |
---|
1355 | // G4bool yes = true; |
---|
1356 | if ( !baseParticle ) { |
---|
1357 | |
---|
1358 | G4bool fpi = true; |
---|
1359 | if(!RetrieveTable(part,theDEDXTable,ascii,directory,"DEDX",fpi)) |
---|
1360 | {fpi = false;} |
---|
1361 | |
---|
1362 | if(!RetrieveTable(part,theIonisationTable,ascii,directory,"Ionisation",false)) |
---|
1363 | {fpi = false;} |
---|
1364 | |
---|
1365 | if(!RetrieveTable(part,theRangeTableForLoss,ascii,directory,"Range",fpi)) |
---|
1366 | {res = false;} |
---|
1367 | |
---|
1368 | if(!RetrieveTable(part,theDEDXunRestrictedTable,ascii,directory,"DEDXnr",false)) |
---|
1369 | {res = false;} |
---|
1370 | |
---|
1371 | if(!RetrieveTable(part,theCSDARangeTable,ascii,directory,"CSDARange",false)) |
---|
1372 | {res = false;} |
---|
1373 | |
---|
1374 | if(!RetrieveTable(part,theInverseRangeTable,ascii,directory,"InverseRange",fpi)) |
---|
1375 | {res = false;} |
---|
1376 | |
---|
1377 | if(!RetrieveTable(part,theLambdaTable,ascii,directory,"Lambda",true)) |
---|
1378 | {res = false;} |
---|
1379 | |
---|
1380 | G4bool yes = false; |
---|
1381 | if(nSCoffRegions > 0) {yes = true;} |
---|
1382 | |
---|
1383 | if(!RetrieveTable(part,theDEDXSubTable,ascii,directory,"SubDEDX",yes)) |
---|
1384 | {res = false;} |
---|
1385 | |
---|
1386 | if(!RetrieveTable(part,theSubLambdaTable,ascii,directory,"SubLambda",yes)) |
---|
1387 | {res = false;} |
---|
1388 | |
---|
1389 | if(!fpi) yes = false; |
---|
1390 | if(!RetrieveTable(part,theIonisationSubTable,ascii,directory,"SubIonisation",yes)) |
---|
1391 | {res = false;} |
---|
1392 | } |
---|
1393 | } |
---|
1394 | |
---|
1395 | return res; |
---|
1396 | } |
---|
1397 | |
---|
1398 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo..... |
---|
1399 | |
---|
1400 | G4bool G4VEnergyLossProcess::StoreTable(const G4ParticleDefinition* part, |
---|
1401 | G4PhysicsTable* aTable, G4bool ascii, |
---|
1402 | const G4String& directory, |
---|
1403 | const G4String& tname) |
---|
1404 | { |
---|
1405 | G4bool res = true; |
---|
1406 | if ( aTable ) { |
---|
1407 | const G4String name = GetPhysicsTableFileName(part,directory,tname,ascii); |
---|
1408 | if( !aTable->StorePhysicsTable(name,ascii)) res = false; |
---|
1409 | } |
---|
1410 | return res; |
---|
1411 | } |
---|
1412 | |
---|
1413 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo..... |
---|
1414 | |
---|
1415 | G4bool G4VEnergyLossProcess::RetrieveTable(const G4ParticleDefinition* part, |
---|
1416 | G4PhysicsTable* aTable, G4bool ascii, |
---|
1417 | const G4String& directory, |
---|
1418 | const G4String& tname, |
---|
1419 | G4bool mandatory) |
---|
1420 | { |
---|
1421 | G4bool res = true; |
---|
1422 | G4String filename = GetPhysicsTableFileName(part,directory,tname,ascii); |
---|
1423 | G4bool yes = aTable->ExistPhysicsTable(filename); |
---|
1424 | if(yes) { |
---|
1425 | yes = G4PhysicsTableHelper::RetrievePhysicsTable(aTable,filename,ascii); |
---|
1426 | if((G4LossTableManager::Instance())->SplineFlag()) { |
---|
1427 | size_t n = aTable->length(); |
---|
1428 | for(size_t i=0; i<n; i++) {(*aTable)[i]->SetSpline(true);} |
---|
1429 | } |
---|
1430 | } |
---|
1431 | if(yes) { |
---|
1432 | if (0 < verboseLevel) { |
---|
1433 | G4cout << tname << " table for " << part->GetParticleName() |
---|
1434 | << " is Retrieved from <" << filename << ">" |
---|
1435 | << G4endl; |
---|
1436 | } |
---|
1437 | } else { |
---|
1438 | if(mandatory) res = false; |
---|
1439 | if(mandatory || 1 < verboseLevel) { |
---|
1440 | G4cout << tname << " table for " << part->GetParticleName() |
---|
1441 | << " from file <" |
---|
1442 | << filename << "> is not Retrieved" |
---|
1443 | << G4endl; |
---|
1444 | } |
---|
1445 | } |
---|
1446 | return res; |
---|
1447 | } |
---|
1448 | |
---|
1449 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1450 | |
---|
1451 | G4double G4VEnergyLossProcess::GetDEDXDispersion( |
---|
1452 | const G4MaterialCutsCouple *couple, |
---|
1453 | const G4DynamicParticle* dp, |
---|
1454 | G4double length) |
---|
1455 | { |
---|
1456 | DefineMaterial(couple); |
---|
1457 | G4double ekin = dp->GetKineticEnergy(); |
---|
1458 | SelectModel(ekin*massRatio); |
---|
1459 | G4double tmax = currentModel->MaxSecondaryKinEnergy(dp); |
---|
1460 | tmax = std::min(tmax,(*theCuts)[currentMaterialIndex]); |
---|
1461 | G4double d = 0.0; |
---|
1462 | G4VEmFluctuationModel* fm = currentModel->GetModelOfFluctuations(); |
---|
1463 | if(fm) d = fm->Dispersion(currentMaterial,dp,tmax,length); |
---|
1464 | return d; |
---|
1465 | } |
---|
1466 | |
---|
1467 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1468 | |
---|
1469 | G4double G4VEnergyLossProcess::CrossSectionPerVolume( |
---|
1470 | G4double kineticEnergy, const G4MaterialCutsCouple* couple) |
---|
1471 | { |
---|
1472 | // Cross section per volume is calculated |
---|
1473 | DefineMaterial(couple); |
---|
1474 | G4double cross = 0.0; |
---|
1475 | G4bool b; |
---|
1476 | if(theLambdaTable) { |
---|
1477 | cross = |
---|
1478 | ((*theLambdaTable)[currentMaterialIndex])->GetValue(kineticEnergy, b); |
---|
1479 | } else { |
---|
1480 | SelectModel(kineticEnergy); |
---|
1481 | cross = |
---|
1482 | currentModel->CrossSectionPerVolume(currentMaterial, |
---|
1483 | particle, kineticEnergy, |
---|
1484 | (*theCuts)[currentMaterialIndex]); |
---|
1485 | } |
---|
1486 | |
---|
1487 | return cross; |
---|
1488 | } |
---|
1489 | |
---|
1490 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1491 | |
---|
1492 | G4double G4VEnergyLossProcess::MeanFreePath(const G4Track& track) |
---|
1493 | { |
---|
1494 | DefineMaterial(track.GetMaterialCutsCouple()); |
---|
1495 | preStepLambda = GetLambdaForScaledEnergy(track.GetKineticEnergy()*massRatio); |
---|
1496 | G4double x = DBL_MAX; |
---|
1497 | if(DBL_MIN < preStepLambda) x = 1.0/preStepLambda; |
---|
1498 | return x; |
---|
1499 | } |
---|
1500 | |
---|
1501 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1502 | |
---|
1503 | G4double G4VEnergyLossProcess::ContinuousStepLimit(const G4Track& track, |
---|
1504 | G4double x, G4double y, |
---|
1505 | G4double& z) |
---|
1506 | { |
---|
1507 | G4GPILSelection sel; |
---|
1508 | return AlongStepGetPhysicalInteractionLength(track, x, y, z, &sel); |
---|
1509 | } |
---|
1510 | |
---|
1511 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1512 | |
---|
1513 | G4double G4VEnergyLossProcess::GetMeanFreePath( |
---|
1514 | const G4Track& track, |
---|
1515 | G4double, |
---|
1516 | G4ForceCondition* condition) |
---|
1517 | |
---|
1518 | { |
---|
1519 | *condition = NotForced; |
---|
1520 | return MeanFreePath(track); |
---|
1521 | } |
---|
1522 | |
---|
1523 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1524 | |
---|
1525 | G4double G4VEnergyLossProcess::GetContinuousStepLimit( |
---|
1526 | const G4Track&, |
---|
1527 | G4double, G4double, G4double&) |
---|
1528 | { |
---|
1529 | return DBL_MAX; |
---|
1530 | } |
---|
1531 | |
---|
1532 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1533 | |
---|
1534 | G4PhysicsVector* G4VEnergyLossProcess::LambdaPhysicsVector( |
---|
1535 | const G4MaterialCutsCouple* couple, G4double cut) |
---|
1536 | { |
---|
1537 | // G4double cut = (*theCuts)[couple->GetIndex()]; |
---|
1538 | // G4int nbins = nLambdaBins; |
---|
1539 | G4double tmin = |
---|
1540 | std::max(MinPrimaryEnergy(particle, couple->GetMaterial(), cut), |
---|
1541 | minKinEnergy); |
---|
1542 | if(tmin >= maxKinEnergy) tmin = 0.5*maxKinEnergy; |
---|
1543 | G4PhysicsVector* v = new G4PhysicsLogVector(tmin, maxKinEnergy, nBins); |
---|
1544 | v->SetSpline((G4LossTableManager::Instance())->SplineFlag()); |
---|
1545 | |
---|
1546 | return v; |
---|
1547 | } |
---|
1548 | |
---|
1549 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1550 | |
---|
1551 | void G4VEnergyLossProcess::AddCollaborativeProcess( |
---|
1552 | G4VEnergyLossProcess* p) |
---|
1553 | { |
---|
1554 | G4bool add = true; |
---|
1555 | if(p->GetProcessName() != "eBrem") add = false; |
---|
1556 | if(add && nProcesses > 0) { |
---|
1557 | for(G4int i=0; i<nProcesses; i++) { |
---|
1558 | if(p == scProcesses[i]) { |
---|
1559 | add = false; |
---|
1560 | break; |
---|
1561 | } |
---|
1562 | } |
---|
1563 | } |
---|
1564 | if(add) { |
---|
1565 | scProcesses.push_back(p); |
---|
1566 | nProcesses++; |
---|
1567 | if (1 < verboseLevel) { |
---|
1568 | G4cout << "### The process " << p->GetProcessName() |
---|
1569 | << " is added to the list of collaborative processes of " |
---|
1570 | << GetProcessName() << G4endl; |
---|
1571 | } |
---|
1572 | } |
---|
1573 | } |
---|
1574 | |
---|
1575 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1576 | |
---|
1577 | void G4VEnergyLossProcess::SetDEDXTable(G4PhysicsTable* p, G4EmTableType tType) |
---|
1578 | { |
---|
1579 | if(fTotal == tType && theDEDXunRestrictedTable != p) { |
---|
1580 | if(theDEDXunRestrictedTable) theDEDXunRestrictedTable->clearAndDestroy(); |
---|
1581 | theDEDXunRestrictedTable = p; |
---|
1582 | if(p) { |
---|
1583 | size_t n = p->length(); |
---|
1584 | G4PhysicsVector* pv = (*p)[0]; |
---|
1585 | G4double emax = maxKinEnergyCSDA; |
---|
1586 | G4bool b; |
---|
1587 | theDEDXAtMaxEnergy = new G4double [n]; |
---|
1588 | |
---|
1589 | for (size_t i=0; i<n; i++) { |
---|
1590 | pv = (*p)[i]; |
---|
1591 | G4double dedx = pv->GetValue(emax, b); |
---|
1592 | theDEDXAtMaxEnergy[i] = dedx; |
---|
1593 | //G4cout << "i= " << i << " emax(MeV)= " << emax/MeV<< " dedx= " |
---|
1594 | //<< dedx << G4endl; |
---|
1595 | } |
---|
1596 | } |
---|
1597 | |
---|
1598 | } else if(fRestricted == tType) { |
---|
1599 | theDEDXTable = p; |
---|
1600 | } else if(fSubRestricted == tType) { |
---|
1601 | theDEDXSubTable = p; |
---|
1602 | } else if(fIsIonisation == tType && theIonisationTable != p) { |
---|
1603 | if(theIonisationTable) theIonisationTable->clearAndDestroy(); |
---|
1604 | theIonisationTable = p; |
---|
1605 | } else if(fIsSubIonisation == tType && theIonisationSubTable != p) { |
---|
1606 | if(theIonisationSubTable) theIonisationSubTable->clearAndDestroy(); |
---|
1607 | theIonisationSubTable = p; |
---|
1608 | } |
---|
1609 | } |
---|
1610 | |
---|
1611 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1612 | |
---|
1613 | void G4VEnergyLossProcess::SetCSDARangeTable(G4PhysicsTable* p) |
---|
1614 | { |
---|
1615 | if(theCSDARangeTable != p) theCSDARangeTable = p; |
---|
1616 | |
---|
1617 | if(p) { |
---|
1618 | size_t n = p->length(); |
---|
1619 | G4PhysicsVector* pv = (*p)[0]; |
---|
1620 | G4double emax = maxKinEnergyCSDA; |
---|
1621 | G4bool b; |
---|
1622 | theRangeAtMaxEnergy = new G4double [n]; |
---|
1623 | |
---|
1624 | for (size_t i=0; i<n; i++) { |
---|
1625 | pv = (*p)[i]; |
---|
1626 | G4double r2 = pv->GetValue(emax, b); |
---|
1627 | theRangeAtMaxEnergy[i] = r2; |
---|
1628 | //G4cout << "i= " << i << " e2(MeV)= " << emax/MeV << " r2= " |
---|
1629 | //<< r2<< G4endl; |
---|
1630 | } |
---|
1631 | } |
---|
1632 | } |
---|
1633 | |
---|
1634 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1635 | |
---|
1636 | void G4VEnergyLossProcess::SetRangeTableForLoss(G4PhysicsTable* p) |
---|
1637 | { |
---|
1638 | if(theRangeTableForLoss != p) { |
---|
1639 | theRangeTableForLoss = p; |
---|
1640 | if(1 < verboseLevel) { |
---|
1641 | G4cout << "### Set Range table " << p |
---|
1642 | << " for " << particle->GetParticleName() |
---|
1643 | << " and process " << GetProcessName() << G4endl; |
---|
1644 | } |
---|
1645 | } |
---|
1646 | } |
---|
1647 | |
---|
1648 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1649 | |
---|
1650 | void G4VEnergyLossProcess::SetSecondaryRangeTable(G4PhysicsTable* p) |
---|
1651 | { |
---|
1652 | if(theSecondaryRangeTable != p) { |
---|
1653 | theSecondaryRangeTable = p; |
---|
1654 | if(1 < verboseLevel) { |
---|
1655 | G4cout << "### Set SecondaryRange table " << p |
---|
1656 | << " for " << particle->GetParticleName() |
---|
1657 | << " and process " << GetProcessName() << G4endl; |
---|
1658 | } |
---|
1659 | } |
---|
1660 | } |
---|
1661 | |
---|
1662 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1663 | |
---|
1664 | void G4VEnergyLossProcess::SetInverseRangeTable(G4PhysicsTable* p) |
---|
1665 | { |
---|
1666 | if(theInverseRangeTable != p) { |
---|
1667 | theInverseRangeTable = p; |
---|
1668 | if(1 < verboseLevel) { |
---|
1669 | G4cout << "### Set InverseRange table " << p |
---|
1670 | << " for " << particle->GetParticleName() |
---|
1671 | << " and process " << GetProcessName() << G4endl; |
---|
1672 | } |
---|
1673 | } |
---|
1674 | } |
---|
1675 | |
---|
1676 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1677 | |
---|
1678 | void G4VEnergyLossProcess::SetLambdaTable(G4PhysicsTable* p) |
---|
1679 | { |
---|
1680 | if(1 < verboseLevel) { |
---|
1681 | G4cout << "### Set Lambda table " << p |
---|
1682 | << " for " << particle->GetParticleName() |
---|
1683 | << " and process " << GetProcessName() << G4endl; |
---|
1684 | } |
---|
1685 | if(theLambdaTable != p) theLambdaTable = p; |
---|
1686 | tablesAreBuilt = true; |
---|
1687 | |
---|
1688 | if(p) { |
---|
1689 | size_t n = p->length(); |
---|
1690 | G4PhysicsVector* pv = (*p)[0]; |
---|
1691 | G4double e, s, smax, emax; |
---|
1692 | theEnergyOfCrossSectionMax = new G4double [n]; |
---|
1693 | theCrossSectionMax = new G4double [n]; |
---|
1694 | G4bool b; |
---|
1695 | |
---|
1696 | for (size_t i=0; i<n; i++) { |
---|
1697 | pv = (*p)[i]; |
---|
1698 | emax = DBL_MAX; |
---|
1699 | smax = 0.0; |
---|
1700 | if(pv) { |
---|
1701 | size_t nb = pv->GetVectorLength(); |
---|
1702 | emax = pv->GetLowEdgeEnergy(nb); |
---|
1703 | for (size_t j=0; j<nb; j++) { |
---|
1704 | e = pv->GetLowEdgeEnergy(j); |
---|
1705 | s = pv->GetValue(e,b); |
---|
1706 | if(s > smax) { |
---|
1707 | smax = s; |
---|
1708 | emax = e; |
---|
1709 | } |
---|
1710 | } |
---|
1711 | } |
---|
1712 | theEnergyOfCrossSectionMax[i] = emax; |
---|
1713 | theCrossSectionMax[i] = smax; |
---|
1714 | if(1 < verboseLevel) { |
---|
1715 | G4cout << "For " << particle->GetParticleName() |
---|
1716 | << " Max CS at i= " << i << " emax(MeV)= " << emax/MeV |
---|
1717 | << " lambda= " << smax << G4endl; |
---|
1718 | } |
---|
1719 | } |
---|
1720 | } |
---|
1721 | } |
---|
1722 | |
---|
1723 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1724 | |
---|
1725 | void G4VEnergyLossProcess::SetSubLambdaTable(G4PhysicsTable* p) |
---|
1726 | { |
---|
1727 | if(theSubLambdaTable != p) { |
---|
1728 | theSubLambdaTable = p; |
---|
1729 | if(1 < verboseLevel) { |
---|
1730 | G4cout << "### Set SebLambda table " << p |
---|
1731 | << " for " << particle->GetParticleName() |
---|
1732 | << " and process " << GetProcessName() << G4endl; |
---|
1733 | } |
---|
1734 | } |
---|
1735 | } |
---|
1736 | |
---|
1737 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1738 | |
---|