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 | // |
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27 | // $Id: G4hLowEnergyLoss.cc,v 1.28 2009/02/20 10:49:54 sincerti Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
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29 | // |
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30 | // ----------------------------------------------------------- |
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31 | // GEANT 4 class implementation file |
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32 | // |
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33 | // History: based on object model of |
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34 | // 2nd December 1995, G.Cosmo |
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35 | // ---------- G4hEnergyLoss physics process ----------- |
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36 | // by Laszlo Urban, 30 May 1997 |
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37 | // |
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38 | // ************************************************************** |
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39 | // It is the first implementation of the NEW UNIFIED ENERGY LOSS PROCESS. |
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40 | // It calculates the energy loss of charged hadrons. |
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41 | // ************************************************************** |
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42 | // |
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43 | // 7/10/98 bug fixes + some cleanup , L.Urban |
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44 | // 22/10/98 cleanup , L.Urban |
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45 | // 07/12/98 works for ions as well+ bug corrected, L.Urban |
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46 | // 02/02/99 several bugs fixed, L.Urban |
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47 | // 31/03/00 rename to lowenergy as G4hLowEnergyLoss.cc V.Ivanchenko |
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48 | // 05/11/00 new method to calculate particle ranges |
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49 | // 10/05/01 V.Ivanchenko Clean up againist Linux compilation with -Wall |
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50 | // 23/11/01 V.Ivanchenko Move static member-functions from header to source |
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51 | // 28/10/02 V.Ivanchenko Optimal binning for dE/dx |
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52 | // 21/01/03 V.Ivanchenko Cut per region |
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53 | // 23/01/03 V.Ivanchenko Fix in table build |
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54 | // -------------------------------------------------------------- |
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55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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56 | |
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57 | #include "G4hLowEnergyLoss.hh" |
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58 | #include "G4EnergyLossTables.hh" |
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59 | #include "G4Poisson.hh" |
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60 | #include "G4ProductionCutsTable.hh" |
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61 | |
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62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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63 | |
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64 | // Initialisation of static members ****************************************** |
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65 | // contributing processes : ion.loss ->NumberOfProcesses is initialized |
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66 | // to 1 . YOU DO NOT HAVE TO CHANGE this variable for a 'normal' run. |
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67 | // You have to change NumberOfProcesses |
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68 | // if you invent a new process contributing to the cont. energy loss, |
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69 | // NumberOfProcesses should be 2 in this case, |
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70 | // or for debugging purposes. |
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71 | // The NumberOfProcesses data member can be changed using the (public static) |
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72 | // functions Get/Set/Plus/MinusNumberOfProcesses (see G4hLowEnergyLoss.hh) |
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73 | |
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74 | |
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75 | // The following vectors have a fixed dimension this means that if they are |
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76 | // filled in with more than 100 elements will corrupt the memory. |
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77 | G4int G4hLowEnergyLoss::NumberOfProcesses = 1 ; |
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78 | |
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79 | G4int G4hLowEnergyLoss::CounterOfProcess = 0 ; |
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80 | G4PhysicsTable** G4hLowEnergyLoss::RecorderOfProcess = |
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81 | new G4PhysicsTable*[100] ; |
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82 | |
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83 | G4int G4hLowEnergyLoss::CounterOfpProcess = 0 ; |
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84 | G4PhysicsTable** G4hLowEnergyLoss::RecorderOfpProcess = |
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85 | new G4PhysicsTable*[100] ; |
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86 | |
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87 | G4int G4hLowEnergyLoss::CounterOfpbarProcess = 0 ; |
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88 | G4PhysicsTable** G4hLowEnergyLoss::RecorderOfpbarProcess = |
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89 | new G4PhysicsTable*[100] ; |
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90 | |
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91 | G4PhysicsTable* G4hLowEnergyLoss::theDEDXpTable = 0 ; |
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92 | G4PhysicsTable* G4hLowEnergyLoss::theDEDXpbarTable = 0 ; |
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93 | G4PhysicsTable* G4hLowEnergyLoss::theRangepTable = 0 ; |
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94 | G4PhysicsTable* G4hLowEnergyLoss::theRangepbarTable = 0 ; |
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95 | G4PhysicsTable* G4hLowEnergyLoss::theInverseRangepTable = 0 ; |
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96 | G4PhysicsTable* G4hLowEnergyLoss::theInverseRangepbarTable = 0 ; |
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97 | G4PhysicsTable* G4hLowEnergyLoss::theLabTimepTable = 0 ; |
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98 | G4PhysicsTable* G4hLowEnergyLoss::theLabTimepbarTable = 0 ; |
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99 | G4PhysicsTable* G4hLowEnergyLoss::theProperTimepTable = 0 ; |
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100 | G4PhysicsTable* G4hLowEnergyLoss::theProperTimepbarTable = 0 ; |
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101 | |
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102 | G4PhysicsTable* G4hLowEnergyLoss::thepRangeCoeffATable = 0 ; |
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103 | G4PhysicsTable* G4hLowEnergyLoss::thepRangeCoeffBTable = 0 ; |
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104 | G4PhysicsTable* G4hLowEnergyLoss::thepRangeCoeffCTable = 0 ; |
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105 | G4PhysicsTable* G4hLowEnergyLoss::thepbarRangeCoeffATable = 0 ; |
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106 | G4PhysicsTable* G4hLowEnergyLoss::thepbarRangeCoeffBTable = 0 ; |
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107 | G4PhysicsTable* G4hLowEnergyLoss::thepbarRangeCoeffCTable = 0 ; |
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108 | |
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109 | G4PhysicsTable* G4hLowEnergyLoss::theDEDXTable = 0 ; |
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110 | G4PhysicsTable* G4hLowEnergyLoss::theRangeTable = 0 ; |
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111 | G4PhysicsTable* G4hLowEnergyLoss::theInverseRangeTable = 0 ; |
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112 | G4PhysicsTable* G4hLowEnergyLoss::theLabTimeTable = 0 ; |
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113 | G4PhysicsTable* G4hLowEnergyLoss::theProperTimeTable = 0 ; |
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114 | |
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115 | G4PhysicsTable* G4hLowEnergyLoss::theRangeCoeffATable = 0 ; |
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116 | G4PhysicsTable* G4hLowEnergyLoss::theRangeCoeffBTable = 0 ; |
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117 | G4PhysicsTable* G4hLowEnergyLoss::theRangeCoeffCTable = 0 ; |
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118 | |
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119 | //const G4Proton* G4hLowEnergyLoss::theProton=G4Proton::Proton() ; |
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120 | //const G4AntiProton* G4hLowEnergyLoss::theAntiProton=G4AntiProton::AntiProton() ; |
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121 | |
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122 | G4double G4hLowEnergyLoss::ParticleMass; |
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123 | G4double G4hLowEnergyLoss::ptableElectronCutInRange = 0.0*mm ; |
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124 | G4double G4hLowEnergyLoss::pbartableElectronCutInRange = 0.0*mm ; |
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125 | |
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126 | G4double G4hLowEnergyLoss::Mass, |
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127 | G4hLowEnergyLoss::taulow, |
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128 | G4hLowEnergyLoss::tauhigh, |
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129 | G4hLowEnergyLoss::ltaulow, |
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130 | G4hLowEnergyLoss::ltauhigh; |
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131 | |
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132 | G4double G4hLowEnergyLoss::dRoverRange = 0.20 ; |
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133 | G4double G4hLowEnergyLoss::finalRange = 200.*micrometer ; |
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134 | |
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135 | G4double G4hLowEnergyLoss::c1lim = dRoverRange ; |
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136 | G4double G4hLowEnergyLoss::c2lim = 2.*(1.-dRoverRange)*finalRange ; |
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137 | G4double G4hLowEnergyLoss::c3lim = -(1.-dRoverRange)*finalRange*finalRange; |
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138 | |
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139 | G4double G4hLowEnergyLoss::Charge ; |
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140 | |
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141 | G4bool G4hLowEnergyLoss::rndmStepFlag = false ; |
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142 | G4bool G4hLowEnergyLoss::EnlossFlucFlag = true ; |
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143 | |
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144 | G4double G4hLowEnergyLoss::LowestKineticEnergy = 10.*eV; |
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145 | G4double G4hLowEnergyLoss::HighestKineticEnergy= 100.*GeV; |
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146 | G4int G4hLowEnergyLoss::TotBin = 360; |
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147 | G4double G4hLowEnergyLoss::RTable =1.1; |
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148 | G4double G4hLowEnergyLoss::LOGRTable = 1.1; |
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149 | |
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150 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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151 | |
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152 | // constructor and destructor |
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153 | |
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154 | G4hLowEnergyLoss::G4hLowEnergyLoss(const G4String& processName) |
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155 | : G4VContinuousDiscreteProcess (processName), |
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156 | MaxExcitationNumber (1.e6), |
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157 | probLimFluct (0.01), |
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158 | nmaxDirectFluct (100), |
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159 | nmaxCont1(4), |
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160 | nmaxCont2(16), |
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161 | theLossTable(0), |
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162 | linLossLimit(0.05), |
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163 | MinKineticEnergy(0.0) |
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164 | {;} |
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165 | |
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166 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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167 | |
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168 | G4hLowEnergyLoss::~G4hLowEnergyLoss() |
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169 | { |
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170 | if(theLossTable) { |
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171 | theLossTable->clearAndDestroy(); |
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172 | delete theLossTable; |
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173 | } |
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174 | } |
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175 | |
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176 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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177 | |
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178 | G4int G4hLowEnergyLoss::GetNumberOfProcesses() |
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179 | { |
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180 | return NumberOfProcesses; |
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181 | } |
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182 | |
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183 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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184 | |
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185 | void G4hLowEnergyLoss::SetNumberOfProcesses(G4int number) |
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186 | { |
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187 | NumberOfProcesses=number; |
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188 | } |
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189 | |
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190 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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191 | |
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192 | void G4hLowEnergyLoss::PlusNumberOfProcesses() |
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193 | { |
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194 | NumberOfProcesses++; |
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195 | } |
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196 | |
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197 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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198 | |
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199 | void G4hLowEnergyLoss::MinusNumberOfProcesses() |
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200 | { |
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201 | NumberOfProcesses--; |
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202 | } |
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203 | |
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204 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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205 | |
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206 | void G4hLowEnergyLoss::SetdRoverRange(G4double value) |
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207 | { |
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208 | dRoverRange = value; |
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209 | } |
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210 | |
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211 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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212 | |
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213 | void G4hLowEnergyLoss::SetRndmStep (G4bool value) |
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214 | { |
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215 | rndmStepFlag = value; |
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216 | } |
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217 | |
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218 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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219 | |
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220 | void G4hLowEnergyLoss::SetEnlossFluc (G4bool value) |
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221 | { |
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222 | EnlossFlucFlag = value; |
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223 | } |
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224 | |
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225 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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226 | |
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227 | void G4hLowEnergyLoss::SetStepFunction (G4double c1, G4double c2) |
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228 | { |
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229 | dRoverRange = c1; |
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230 | finalRange = c2; |
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231 | c1lim=dRoverRange; |
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232 | c2lim=2.*(1-dRoverRange)*finalRange; |
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233 | c3lim=-(1.-dRoverRange)*finalRange*finalRange; |
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234 | } |
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235 | |
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236 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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237 | |
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238 | void G4hLowEnergyLoss::BuildDEDXTable( |
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239 | const G4ParticleDefinition& aParticleType) |
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240 | { |
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241 | // calculate data members TotBin,LOGRTable,RTable first |
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242 | |
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243 | const G4ProductionCutsTable* theCoupleTable= |
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244 | G4ProductionCutsTable::GetProductionCutsTable(); |
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245 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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246 | |
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247 | // create/fill proton or antiproton tables depending on the charge |
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248 | Charge = aParticleType.GetPDGCharge()/eplus; |
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249 | ParticleMass = aParticleType.GetPDGMass() ; |
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250 | |
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251 | if (Charge>0.) {theDEDXTable= theDEDXpTable;} |
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252 | else {theDEDXTable= theDEDXpbarTable;} |
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253 | |
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254 | if( ((Charge>0.) && (theDEDXTable==0)) || |
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255 | ((Charge<0.) && (theDEDXTable==0)) |
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256 | ) |
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257 | { |
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258 | |
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259 | // Build energy loss table as a sum of the energy loss due to the |
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260 | // different processes. |
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261 | if( Charge >0.) |
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262 | { |
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263 | RecorderOfProcess=RecorderOfpProcess; |
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264 | CounterOfProcess=CounterOfpProcess; |
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265 | |
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266 | if(CounterOfProcess == NumberOfProcesses) |
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267 | { |
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268 | if(theDEDXpTable) |
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269 | { theDEDXpTable->clearAndDestroy(); |
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270 | delete theDEDXpTable; } |
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271 | theDEDXpTable = new G4PhysicsTable(numOfCouples); |
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272 | theDEDXTable = theDEDXpTable; |
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273 | } |
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274 | } |
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275 | else |
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276 | { |
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277 | RecorderOfProcess=RecorderOfpbarProcess; |
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278 | CounterOfProcess=CounterOfpbarProcess; |
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279 | |
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280 | if(CounterOfProcess == NumberOfProcesses) |
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281 | { |
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282 | if(theDEDXpbarTable) |
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283 | { theDEDXpbarTable->clearAndDestroy(); |
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284 | delete theDEDXpbarTable; } |
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285 | theDEDXpbarTable = new G4PhysicsTable(numOfCouples); |
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286 | theDEDXTable = theDEDXpbarTable; |
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287 | } |
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288 | } |
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289 | |
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290 | if(CounterOfProcess == NumberOfProcesses) |
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291 | { |
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292 | // loop for materials |
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293 | G4double LowEdgeEnergy , Value ; |
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294 | G4bool isOutRange ; |
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295 | G4PhysicsTable* pointer ; |
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296 | |
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297 | for (size_t J=0; J<numOfCouples; J++) |
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298 | { |
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299 | // create physics vector and fill it |
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300 | G4PhysicsLogVector* aVector = new G4PhysicsLogVector( |
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301 | LowestKineticEnergy, HighestKineticEnergy, TotBin); |
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302 | |
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303 | // loop for the kinetic energy |
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304 | for (G4int i=0; i<TotBin; i++) |
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305 | { |
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306 | LowEdgeEnergy = aVector->GetLowEdgeEnergy(i) ; |
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307 | Value = 0. ; |
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308 | |
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309 | // loop for the contributing processes |
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310 | for (G4int process=0; process < NumberOfProcesses; process++) |
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311 | { |
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312 | pointer= RecorderOfProcess[process]; |
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313 | Value += (*pointer)[J]-> |
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314 | GetValue(LowEdgeEnergy,isOutRange) ; |
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315 | } |
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316 | |
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317 | aVector->PutValue(i,Value) ; |
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318 | } |
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319 | |
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320 | theDEDXTable->insert(aVector) ; |
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321 | } |
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322 | |
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323 | // reset counter to zero .................. |
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324 | if( Charge >0.) |
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325 | CounterOfpProcess=0 ; |
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326 | else |
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327 | CounterOfpbarProcess=0 ; |
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328 | |
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329 | // Build range table |
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330 | BuildRangeTable( aParticleType); |
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331 | |
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332 | // Build lab/proper time tables |
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333 | BuildTimeTables( aParticleType) ; |
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334 | |
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335 | // Build coeff tables for the energy loss calculation |
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336 | BuildRangeCoeffATable( aParticleType); |
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337 | BuildRangeCoeffBTable( aParticleType); |
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338 | BuildRangeCoeffCTable( aParticleType); |
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339 | |
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340 | // invert the range table |
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341 | |
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342 | BuildInverseRangeTable(aParticleType); |
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343 | } |
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344 | } |
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345 | // make the energy loss and the range table available |
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346 | |
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347 | G4EnergyLossTables::Register(&aParticleType, |
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348 | (Charge>0)? |
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349 | theDEDXpTable: theDEDXpbarTable, |
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350 | (Charge>0)? |
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351 | theRangepTable: theRangepbarTable, |
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352 | (Charge>0)? |
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353 | theInverseRangepTable: theInverseRangepbarTable, |
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354 | (Charge>0)? |
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355 | theLabTimepTable: theLabTimepbarTable, |
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356 | (Charge>0)? |
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357 | theProperTimepTable: theProperTimepbarTable, |
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358 | LowestKineticEnergy, HighestKineticEnergy, |
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359 | proton_mass_c2/aParticleType.GetPDGMass(), |
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360 | TotBin); |
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361 | |
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362 | } |
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363 | |
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364 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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365 | |
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366 | void G4hLowEnergyLoss::BuildRangeTable( |
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367 | const G4ParticleDefinition& aParticleType) |
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368 | // Build range table from the energy loss table |
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369 | { |
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370 | Mass = aParticleType.GetPDGMass(); |
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371 | |
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372 | const G4ProductionCutsTable* theCoupleTable= |
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373 | G4ProductionCutsTable::GetProductionCutsTable(); |
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374 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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375 | |
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376 | if( Charge >0.) |
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377 | { |
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378 | if(theRangepTable) |
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379 | { theRangepTable->clearAndDestroy(); |
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380 | delete theRangepTable; } |
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381 | theRangepTable = new G4PhysicsTable(numOfCouples); |
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382 | theRangeTable = theRangepTable ; |
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383 | } |
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384 | else |
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385 | { |
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386 | if(theRangepbarTable) |
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387 | { theRangepbarTable->clearAndDestroy(); |
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388 | delete theRangepbarTable; } |
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389 | theRangepbarTable = new G4PhysicsTable(numOfCouples); |
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390 | theRangeTable = theRangepbarTable ; |
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391 | } |
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392 | |
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393 | // loop for materials |
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394 | |
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395 | for (size_t J=0; J<numOfCouples; J++) |
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396 | { |
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397 | G4PhysicsLogVector* aVector; |
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398 | aVector = new G4PhysicsLogVector(LowestKineticEnergy, |
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399 | HighestKineticEnergy,TotBin); |
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400 | |
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401 | BuildRangeVector(J, aVector); |
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402 | theRangeTable->insert(aVector); |
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403 | } |
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404 | } |
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405 | |
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406 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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407 | |
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408 | void G4hLowEnergyLoss::BuildTimeTables( |
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409 | const G4ParticleDefinition& aParticleType) |
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410 | { |
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411 | |
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412 | const G4ProductionCutsTable* theCoupleTable= |
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413 | G4ProductionCutsTable::GetProductionCutsTable(); |
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414 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
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415 | |
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416 | if(&aParticleType == G4Proton::Proton()) |
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417 | { |
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418 | if(theLabTimepTable) |
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419 | { theLabTimepTable->clearAndDestroy(); |
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420 | delete theLabTimepTable; } |
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421 | theLabTimepTable = new G4PhysicsTable(numOfCouples); |
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422 | theLabTimeTable = theLabTimepTable ; |
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423 | |
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424 | if(theProperTimepTable) |
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425 | { theProperTimepTable->clearAndDestroy(); |
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426 | delete theProperTimepTable; } |
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427 | theProperTimepTable = new G4PhysicsTable(numOfCouples); |
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428 | theProperTimeTable = theProperTimepTable ; |
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429 | } |
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430 | |
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431 | if(&aParticleType == G4AntiProton::AntiProton()) |
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432 | { |
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433 | if(theLabTimepbarTable) |
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434 | { theLabTimepbarTable->clearAndDestroy(); |
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435 | delete theLabTimepbarTable; } |
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436 | theLabTimepbarTable = new G4PhysicsTable(numOfCouples); |
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437 | theLabTimeTable = theLabTimepbarTable ; |
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438 | |
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439 | if(theProperTimepbarTable) |
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440 | { theProperTimepbarTable->clearAndDestroy(); |
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441 | delete theProperTimepbarTable; } |
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442 | theProperTimepbarTable = new G4PhysicsTable(numOfCouples); |
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443 | theProperTimeTable = theProperTimepbarTable ; |
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444 | } |
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445 | |
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446 | for (size_t J=0; J<numOfCouples; J++) |
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447 | { |
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448 | G4PhysicsLogVector* aVector; |
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449 | G4PhysicsLogVector* bVector; |
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450 | |
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451 | aVector = new G4PhysicsLogVector(LowestKineticEnergy, |
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452 | HighestKineticEnergy,TotBin); |
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453 | |
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454 | BuildLabTimeVector(J, aVector); |
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455 | theLabTimeTable->insert(aVector); |
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456 | |
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457 | bVector = new G4PhysicsLogVector(LowestKineticEnergy, |
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458 | HighestKineticEnergy,TotBin); |
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459 | |
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460 | BuildProperTimeVector(J, bVector); |
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461 | theProperTimeTable->insert(bVector); |
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462 | } |
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463 | } |
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464 | |
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465 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
466 | |
---|
467 | void G4hLowEnergyLoss::BuildRangeVector(G4int materialIndex, |
---|
468 | G4PhysicsLogVector* rangeVector) |
---|
469 | // create range vector for a material |
---|
470 | { |
---|
471 | G4bool isOut; |
---|
472 | G4PhysicsVector* physicsVector= (*theDEDXTable)[materialIndex]; |
---|
473 | G4double energy1 = rangeVector->GetLowEdgeEnergy(0); |
---|
474 | G4double dedx = physicsVector->GetValue(energy1,isOut); |
---|
475 | G4double range = 0.5*energy1/dedx; |
---|
476 | rangeVector->PutValue(0,range); |
---|
477 | G4int n = 100; |
---|
478 | G4double del = 1.0/(G4double)n ; |
---|
479 | |
---|
480 | for (G4int j=1; j<TotBin; j++) { |
---|
481 | |
---|
482 | G4double energy2 = rangeVector->GetLowEdgeEnergy(j); |
---|
483 | G4double de = (energy2 - energy1) * del ; |
---|
484 | G4double dedx1 = dedx ; |
---|
485 | |
---|
486 | for (G4int i=1; i<n; i++) { |
---|
487 | G4double energy = energy1 + i*de ; |
---|
488 | G4double dedx2 = physicsVector->GetValue(energy,isOut); |
---|
489 | range += 0.5*de*(1.0/dedx1 + 1.0/dedx2); |
---|
490 | dedx1 = dedx2; |
---|
491 | } |
---|
492 | rangeVector->PutValue(j,range); |
---|
493 | dedx = dedx1 ; |
---|
494 | energy1 = energy2 ; |
---|
495 | } |
---|
496 | } |
---|
497 | |
---|
498 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
499 | |
---|
500 | void G4hLowEnergyLoss::BuildLabTimeVector(G4int materialIndex, |
---|
501 | G4PhysicsLogVector* timeVector) |
---|
502 | // create lab time vector for a material |
---|
503 | { |
---|
504 | |
---|
505 | G4int nbin=100; |
---|
506 | G4bool isOut; |
---|
507 | G4double tlim=5.*keV,parlowen=0.4,ppar=0.5-parlowen ; |
---|
508 | G4double losslim,clim,taulim,timelim,ltaulim,ltaumax, |
---|
509 | LowEdgeEnergy,tau,Value ; |
---|
510 | |
---|
511 | G4PhysicsVector* physicsVector= (*theDEDXTable)[materialIndex]; |
---|
512 | |
---|
513 | // low energy part first... |
---|
514 | losslim = physicsVector->GetValue(tlim,isOut); |
---|
515 | taulim=tlim/ParticleMass ; |
---|
516 | clim=std::sqrt(ParticleMass*tlim/2.)/(c_light*losslim*ppar) ; |
---|
517 | ltaulim = std::log(taulim); |
---|
518 | ltaumax = std::log(HighestKineticEnergy/ParticleMass) ; |
---|
519 | |
---|
520 | G4int i=-1; |
---|
521 | G4double oldValue = 0. ; |
---|
522 | G4double tauold ; |
---|
523 | do |
---|
524 | { |
---|
525 | i += 1 ; |
---|
526 | LowEdgeEnergy = timeVector->GetLowEdgeEnergy(i); |
---|
527 | tau = LowEdgeEnergy/ParticleMass ; |
---|
528 | if ( tau <= taulim ) |
---|
529 | { |
---|
530 | Value = clim*std::exp(ppar*std::log(tau/taulim)) ; |
---|
531 | } |
---|
532 | else |
---|
533 | { |
---|
534 | timelim=clim ; |
---|
535 | ltaulow = std::log(taulim); |
---|
536 | ltauhigh = std::log(tau); |
---|
537 | Value = timelim+LabTimeIntLog(physicsVector,nbin); |
---|
538 | } |
---|
539 | timeVector->PutValue(i,Value); |
---|
540 | oldValue = Value ; |
---|
541 | tauold = tau ; |
---|
542 | } while (tau<=taulim) ; |
---|
543 | |
---|
544 | i += 1 ; |
---|
545 | for (G4int j=i; j<TotBin; j++) |
---|
546 | { |
---|
547 | LowEdgeEnergy = timeVector->GetLowEdgeEnergy(j); |
---|
548 | tau = LowEdgeEnergy/ParticleMass ; |
---|
549 | ltaulow = std::log(tauold); |
---|
550 | ltauhigh = std::log(tau); |
---|
551 | Value = oldValue+LabTimeIntLog(physicsVector,nbin); |
---|
552 | timeVector->PutValue(j,Value); |
---|
553 | oldValue = Value ; |
---|
554 | tauold = tau ; |
---|
555 | } |
---|
556 | } |
---|
557 | |
---|
558 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
559 | |
---|
560 | void G4hLowEnergyLoss::BuildProperTimeVector(G4int materialIndex, |
---|
561 | G4PhysicsLogVector* timeVector) |
---|
562 | // create proper time vector for a material |
---|
563 | { |
---|
564 | G4int nbin=100; |
---|
565 | G4bool isOut; |
---|
566 | G4double tlim=5.*keV,parlowen=0.4,ppar=0.5-parlowen ; |
---|
567 | G4double losslim,clim,taulim,timelim,ltaulim,ltaumax, |
---|
568 | LowEdgeEnergy,tau,Value ; |
---|
569 | |
---|
570 | G4PhysicsVector* physicsVector= (*theDEDXTable)[materialIndex]; |
---|
571 | |
---|
572 | // low energy part first... |
---|
573 | losslim = physicsVector->GetValue(tlim,isOut); |
---|
574 | taulim=tlim/ParticleMass ; |
---|
575 | clim=std::sqrt(ParticleMass*tlim/2.)/(c_light*losslim*ppar) ; |
---|
576 | ltaulim = std::log(taulim); |
---|
577 | ltaumax = std::log(HighestKineticEnergy/ParticleMass) ; |
---|
578 | |
---|
579 | G4int i=-1; |
---|
580 | G4double oldValue = 0. ; |
---|
581 | G4double tauold ; |
---|
582 | do |
---|
583 | { |
---|
584 | i += 1 ; |
---|
585 | LowEdgeEnergy = timeVector->GetLowEdgeEnergy(i); |
---|
586 | tau = LowEdgeEnergy/ParticleMass ; |
---|
587 | if ( tau <= taulim ) |
---|
588 | { |
---|
589 | Value = clim*std::exp(ppar*std::log(tau/taulim)) ; |
---|
590 | } |
---|
591 | else |
---|
592 | { |
---|
593 | timelim=clim ; |
---|
594 | ltaulow = std::log(taulim); |
---|
595 | ltauhigh = std::log(tau); |
---|
596 | Value = timelim+ProperTimeIntLog(physicsVector,nbin); |
---|
597 | } |
---|
598 | timeVector->PutValue(i,Value); |
---|
599 | oldValue = Value ; |
---|
600 | tauold = tau ; |
---|
601 | } while (tau<=taulim) ; |
---|
602 | |
---|
603 | i += 1 ; |
---|
604 | for (G4int j=i; j<TotBin; j++) |
---|
605 | { |
---|
606 | LowEdgeEnergy = timeVector->GetLowEdgeEnergy(j); |
---|
607 | tau = LowEdgeEnergy/ParticleMass ; |
---|
608 | ltaulow = std::log(tauold); |
---|
609 | ltauhigh = std::log(tau); |
---|
610 | Value = oldValue+ProperTimeIntLog(physicsVector,nbin); |
---|
611 | timeVector->PutValue(j,Value); |
---|
612 | oldValue = Value ; |
---|
613 | tauold = tau ; |
---|
614 | } |
---|
615 | } |
---|
616 | |
---|
617 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
618 | |
---|
619 | G4double G4hLowEnergyLoss::RangeIntLin(G4PhysicsVector* physicsVector, |
---|
620 | G4int nbin) |
---|
621 | // num. integration, linear binning |
---|
622 | { |
---|
623 | G4double dtau,Value,taui,ti,lossi,ci; |
---|
624 | G4bool isOut; |
---|
625 | dtau = (tauhigh-taulow)/nbin; |
---|
626 | Value = 0.; |
---|
627 | |
---|
628 | for (G4int i=0; i<=nbin; i++) |
---|
629 | { |
---|
630 | taui = taulow + dtau*i ; |
---|
631 | ti = Mass*taui; |
---|
632 | lossi = physicsVector->GetValue(ti,isOut); |
---|
633 | if(i==0) |
---|
634 | ci=0.5; |
---|
635 | else |
---|
636 | { |
---|
637 | if(i<nbin) |
---|
638 | ci=1.; |
---|
639 | else |
---|
640 | ci=0.5; |
---|
641 | } |
---|
642 | Value += ci/lossi; |
---|
643 | } |
---|
644 | Value *= Mass*dtau; |
---|
645 | return Value; |
---|
646 | } |
---|
647 | |
---|
648 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
649 | |
---|
650 | G4double G4hLowEnergyLoss::RangeIntLog(G4PhysicsVector* physicsVector, |
---|
651 | G4int nbin) |
---|
652 | // num. integration, logarithmic binning |
---|
653 | { |
---|
654 | G4double ltt,dltau,Value,ui,taui,ti,lossi,ci; |
---|
655 | G4bool isOut; |
---|
656 | ltt = ltauhigh-ltaulow; |
---|
657 | dltau = ltt/nbin; |
---|
658 | Value = 0.; |
---|
659 | |
---|
660 | for (G4int i=0; i<=nbin; i++) |
---|
661 | { |
---|
662 | ui = ltaulow+dltau*i; |
---|
663 | taui = std::exp(ui); |
---|
664 | ti = Mass*taui; |
---|
665 | lossi = physicsVector->GetValue(ti,isOut); |
---|
666 | if(i==0) |
---|
667 | ci=0.5; |
---|
668 | else |
---|
669 | { |
---|
670 | if(i<nbin) |
---|
671 | ci=1.; |
---|
672 | else |
---|
673 | ci=0.5; |
---|
674 | } |
---|
675 | Value += ci*taui/lossi; |
---|
676 | } |
---|
677 | Value *= Mass*dltau; |
---|
678 | return Value; |
---|
679 | } |
---|
680 | |
---|
681 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
682 | |
---|
683 | G4double G4hLowEnergyLoss::LabTimeIntLog(G4PhysicsVector* physicsVector, |
---|
684 | G4int nbin) |
---|
685 | // num. integration, logarithmic binning |
---|
686 | { |
---|
687 | G4double ltt,dltau,Value,ui,taui,ti,lossi,ci; |
---|
688 | G4bool isOut; |
---|
689 | ltt = ltauhigh-ltaulow; |
---|
690 | dltau = ltt/nbin; |
---|
691 | Value = 0.; |
---|
692 | |
---|
693 | for (G4int i=0; i<=nbin; i++) |
---|
694 | { |
---|
695 | ui = ltaulow+dltau*i; |
---|
696 | taui = std::exp(ui); |
---|
697 | ti = ParticleMass*taui; |
---|
698 | lossi = physicsVector->GetValue(ti,isOut); |
---|
699 | if(i==0) |
---|
700 | ci=0.5; |
---|
701 | else |
---|
702 | { |
---|
703 | if(i<nbin) |
---|
704 | ci=1.; |
---|
705 | else |
---|
706 | ci=0.5; |
---|
707 | } |
---|
708 | Value += ci*taui*(ti+ParticleMass)/(std::sqrt(ti*(ti+2.*ParticleMass))*lossi); |
---|
709 | } |
---|
710 | Value *= ParticleMass*dltau/c_light; |
---|
711 | return Value; |
---|
712 | } |
---|
713 | |
---|
714 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
715 | |
---|
716 | G4double G4hLowEnergyLoss::ProperTimeIntLog(G4PhysicsVector* physicsVector, |
---|
717 | G4int nbin) |
---|
718 | // num. integration, logarithmic binning |
---|
719 | { |
---|
720 | G4double ltt,dltau,Value,ui,taui,ti,lossi,ci; |
---|
721 | G4bool isOut; |
---|
722 | ltt = ltauhigh-ltaulow; |
---|
723 | dltau = ltt/nbin; |
---|
724 | Value = 0.; |
---|
725 | |
---|
726 | for (G4int i=0; i<=nbin; i++) |
---|
727 | { |
---|
728 | ui = ltaulow+dltau*i; |
---|
729 | taui = std::exp(ui); |
---|
730 | ti = ParticleMass*taui; |
---|
731 | lossi = physicsVector->GetValue(ti,isOut); |
---|
732 | if(i==0) |
---|
733 | ci=0.5; |
---|
734 | else |
---|
735 | { |
---|
736 | if(i<nbin) |
---|
737 | ci=1.; |
---|
738 | else |
---|
739 | ci=0.5; |
---|
740 | } |
---|
741 | Value += ci*taui*ParticleMass/(std::sqrt(ti*(ti+2.*ParticleMass))*lossi); |
---|
742 | } |
---|
743 | Value *= ParticleMass*dltau/c_light; |
---|
744 | return Value; |
---|
745 | } |
---|
746 | |
---|
747 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
748 | |
---|
749 | void G4hLowEnergyLoss::BuildRangeCoeffATable( |
---|
750 | const G4ParticleDefinition& ) |
---|
751 | // Build tables of coefficients for the energy loss calculation |
---|
752 | // create table for coefficients "A" |
---|
753 | { |
---|
754 | |
---|
755 | G4int numOfCouples = G4ProductionCutsTable::GetProductionCutsTable()->GetTableSize(); |
---|
756 | |
---|
757 | if(Charge>0.) |
---|
758 | { |
---|
759 | if(thepRangeCoeffATable) |
---|
760 | { thepRangeCoeffATable->clearAndDestroy(); |
---|
761 | delete thepRangeCoeffATable; } |
---|
762 | thepRangeCoeffATable = new G4PhysicsTable(numOfCouples); |
---|
763 | theRangeCoeffATable = thepRangeCoeffATable ; |
---|
764 | theRangeTable = theRangepTable ; |
---|
765 | } |
---|
766 | else |
---|
767 | { |
---|
768 | if(thepbarRangeCoeffATable) |
---|
769 | { thepbarRangeCoeffATable->clearAndDestroy(); |
---|
770 | delete thepbarRangeCoeffATable; } |
---|
771 | thepbarRangeCoeffATable = new G4PhysicsTable(numOfCouples); |
---|
772 | theRangeCoeffATable = thepbarRangeCoeffATable ; |
---|
773 | theRangeTable = theRangepbarTable ; |
---|
774 | } |
---|
775 | G4double R2 = RTable*RTable ; |
---|
776 | G4double R1 = RTable+1.; |
---|
777 | G4double w = R1*(RTable-1.)*(RTable-1.); |
---|
778 | G4double w1 = RTable/w , w2 = -RTable*R1/w , w3 = R2/w ; |
---|
779 | G4double Ti , Tim , Tip , Ri , Rim , Rip , Value ; |
---|
780 | G4bool isOut; |
---|
781 | |
---|
782 | // loop for materials |
---|
783 | for (G4int J=0; J<numOfCouples; J++) |
---|
784 | { |
---|
785 | G4int binmax=TotBin ; |
---|
786 | G4PhysicsLinearVector* aVector = |
---|
787 | new G4PhysicsLinearVector(0.,binmax, TotBin); |
---|
788 | Ti = LowestKineticEnergy ; |
---|
789 | G4PhysicsVector* rangeVector= (*theRangeTable)[J]; |
---|
790 | |
---|
791 | for ( G4int i=0; i<TotBin; i++) |
---|
792 | { |
---|
793 | Ri = rangeVector->GetValue(Ti,isOut) ; |
---|
794 | if ( i==0 ) |
---|
795 | Rim = 0. ; |
---|
796 | else |
---|
797 | { |
---|
798 | // ---- MGP ---- Modified to avoid a floating point exception |
---|
799 | // The correction is just a temporary patch, the whole class should be redesigned |
---|
800 | // Original: Tim = Ti/RTable results in 0./0. |
---|
801 | if (RTable != 0.) |
---|
802 | { |
---|
803 | Tim = Ti/RTable ; |
---|
804 | } |
---|
805 | else |
---|
806 | { |
---|
807 | Tim = 0.; |
---|
808 | } |
---|
809 | Rim = rangeVector->GetValue(Tim,isOut); |
---|
810 | } |
---|
811 | if ( i==(TotBin-1)) |
---|
812 | Rip = Ri ; |
---|
813 | else |
---|
814 | { |
---|
815 | Tip = Ti*RTable ; |
---|
816 | Rip = rangeVector->GetValue(Tip,isOut); |
---|
817 | } |
---|
818 | if (Ti!=0) Value = (w1*Rip + w2*Ri + w3*Rim)/(Ti*Ti); else Value=0; |
---|
819 | |
---|
820 | aVector->PutValue(i,Value); |
---|
821 | Ti = RTable*Ti ; |
---|
822 | } |
---|
823 | |
---|
824 | theRangeCoeffATable->insert(aVector); |
---|
825 | } |
---|
826 | } |
---|
827 | |
---|
828 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
829 | |
---|
830 | void G4hLowEnergyLoss::BuildRangeCoeffBTable( |
---|
831 | const G4ParticleDefinition& ) |
---|
832 | // Build tables of coefficients for the energy loss calculation |
---|
833 | // create table for coefficients "B" |
---|
834 | { |
---|
835 | |
---|
836 | G4int numOfCouples = G4ProductionCutsTable::GetProductionCutsTable()->GetTableSize(); |
---|
837 | |
---|
838 | if(Charge>0.) |
---|
839 | { |
---|
840 | if(thepRangeCoeffBTable) |
---|
841 | { thepRangeCoeffBTable->clearAndDestroy(); |
---|
842 | delete thepRangeCoeffBTable; } |
---|
843 | thepRangeCoeffBTable = new G4PhysicsTable(numOfCouples); |
---|
844 | theRangeCoeffBTable = thepRangeCoeffBTable ; |
---|
845 | theRangeTable = theRangepTable ; |
---|
846 | } |
---|
847 | else |
---|
848 | { |
---|
849 | if(thepbarRangeCoeffBTable) |
---|
850 | { thepbarRangeCoeffBTable->clearAndDestroy(); |
---|
851 | delete thepbarRangeCoeffBTable; } |
---|
852 | thepbarRangeCoeffBTable = new G4PhysicsTable(numOfCouples); |
---|
853 | theRangeCoeffBTable = thepbarRangeCoeffBTable ; |
---|
854 | theRangeTable = theRangepbarTable ; |
---|
855 | } |
---|
856 | |
---|
857 | G4double R2 = RTable*RTable ; |
---|
858 | G4double R1 = RTable+1.; |
---|
859 | G4double w = R1*(RTable-1.)*(RTable-1.); |
---|
860 | G4double w1 = -R1/w , w2 = R1*(R2+1.)/w , w3 = -R2*R1/w ; |
---|
861 | G4double Ti , Tim , Tip , Ri , Rim , Rip , Value ; |
---|
862 | G4bool isOut; |
---|
863 | |
---|
864 | // loop for materials |
---|
865 | for (G4int J=0; J<numOfCouples; J++) |
---|
866 | { |
---|
867 | G4int binmax=TotBin ; |
---|
868 | G4PhysicsLinearVector* aVector = |
---|
869 | new G4PhysicsLinearVector(0.,binmax, TotBin); |
---|
870 | Ti = LowestKineticEnergy ; |
---|
871 | G4PhysicsVector* rangeVector= (*theRangeTable)[J]; |
---|
872 | |
---|
873 | for ( G4int i=0; i<TotBin; i++) |
---|
874 | { |
---|
875 | Ri = rangeVector->GetValue(Ti,isOut) ; |
---|
876 | if ( i==0 ) |
---|
877 | Rim = 0. ; |
---|
878 | else |
---|
879 | { |
---|
880 | if (RTable!=0) Tim = Ti/RTable ; else Tim =0; |
---|
881 | Rim = rangeVector->GetValue(Tim,isOut); |
---|
882 | } |
---|
883 | if ( i==(TotBin-1)) |
---|
884 | Rip = Ri ; |
---|
885 | else |
---|
886 | { |
---|
887 | Tip = Ti*RTable ; |
---|
888 | Rip = rangeVector->GetValue(Tip,isOut); |
---|
889 | } |
---|
890 | if (Ti!=0) Value = (w1*Rip + w2*Ri + w3*Rim)/Ti; else Value=0; |
---|
891 | |
---|
892 | aVector->PutValue(i,Value); |
---|
893 | Ti = RTable*Ti ; |
---|
894 | } |
---|
895 | theRangeCoeffBTable->insert(aVector); |
---|
896 | } |
---|
897 | } |
---|
898 | |
---|
899 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
900 | |
---|
901 | void G4hLowEnergyLoss::BuildRangeCoeffCTable( |
---|
902 | const G4ParticleDefinition& ) |
---|
903 | // Build tables of coefficients for the energy loss calculation |
---|
904 | // create table for coefficients "C" |
---|
905 | { |
---|
906 | |
---|
907 | G4int numOfCouples = G4ProductionCutsTable::GetProductionCutsTable()->GetTableSize(); |
---|
908 | |
---|
909 | if(Charge>0.) |
---|
910 | { |
---|
911 | if(thepRangeCoeffCTable) |
---|
912 | { thepRangeCoeffCTable->clearAndDestroy(); |
---|
913 | delete thepRangeCoeffCTable; } |
---|
914 | thepRangeCoeffCTable = new G4PhysicsTable(numOfCouples); |
---|
915 | theRangeCoeffCTable = thepRangeCoeffCTable ; |
---|
916 | theRangeTable = theRangepTable ; |
---|
917 | } |
---|
918 | else |
---|
919 | { |
---|
920 | if(thepbarRangeCoeffCTable) |
---|
921 | { thepbarRangeCoeffCTable->clearAndDestroy(); |
---|
922 | delete thepbarRangeCoeffCTable; } |
---|
923 | thepbarRangeCoeffCTable = new G4PhysicsTable(numOfCouples); |
---|
924 | theRangeCoeffCTable = thepbarRangeCoeffCTable ; |
---|
925 | theRangeTable = theRangepbarTable ; |
---|
926 | } |
---|
927 | |
---|
928 | G4double R2 = RTable*RTable ; |
---|
929 | G4double R1 = RTable+1.; |
---|
930 | G4double w = R1*(RTable-1.)*(RTable-1.); |
---|
931 | G4double w1 = 1./w , w2 = -RTable*R1/w , w3 = RTable*R2/w ; |
---|
932 | G4double Ti , Tim , Tip , Ri , Rim , Rip , Value ; |
---|
933 | G4bool isOut; |
---|
934 | |
---|
935 | // loop for materials |
---|
936 | for (G4int J=0; J<numOfCouples; J++) |
---|
937 | { |
---|
938 | G4int binmax=TotBin ; |
---|
939 | G4PhysicsLinearVector* aVector = |
---|
940 | new G4PhysicsLinearVector(0.,binmax, TotBin); |
---|
941 | Ti = LowestKineticEnergy ; |
---|
942 | G4PhysicsVector* rangeVector= (*theRangeTable)[J]; |
---|
943 | |
---|
944 | for ( G4int i=0; i<TotBin; i++) |
---|
945 | { |
---|
946 | Ri = rangeVector->GetValue(Ti,isOut) ; |
---|
947 | if ( i==0 ) |
---|
948 | Rim = 0. ; |
---|
949 | else |
---|
950 | { |
---|
951 | if (RTable!=0) Tim = Ti/RTable ; else Tim=0; |
---|
952 | Rim = rangeVector->GetValue(Tim,isOut); |
---|
953 | } |
---|
954 | if ( i==(TotBin-1)) |
---|
955 | Rip = Ri ; |
---|
956 | else |
---|
957 | { |
---|
958 | Tip = Ti*RTable ; |
---|
959 | Rip = rangeVector->GetValue(Tip,isOut); |
---|
960 | } |
---|
961 | Value = w1*Rip + w2*Ri + w3*Rim ; |
---|
962 | |
---|
963 | aVector->PutValue(i,Value); |
---|
964 | Ti = RTable*Ti ; |
---|
965 | } |
---|
966 | theRangeCoeffCTable->insert(aVector); |
---|
967 | } |
---|
968 | } |
---|
969 | |
---|
970 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
971 | |
---|
972 | void G4hLowEnergyLoss::BuildInverseRangeTable( |
---|
973 | const G4ParticleDefinition& aParticleType) |
---|
974 | // Build inverse table of the range table |
---|
975 | { |
---|
976 | G4bool b; |
---|
977 | |
---|
978 | const G4ProductionCutsTable* theCoupleTable= |
---|
979 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
980 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
---|
981 | |
---|
982 | if(&aParticleType == G4Proton::Proton()) |
---|
983 | { |
---|
984 | if(theInverseRangepTable) |
---|
985 | { theInverseRangepTable->clearAndDestroy(); |
---|
986 | delete theInverseRangepTable; } |
---|
987 | theInverseRangepTable = new G4PhysicsTable(numOfCouples); |
---|
988 | theInverseRangeTable = theInverseRangepTable ; |
---|
989 | theRangeTable = theRangepTable ; |
---|
990 | theDEDXTable = theDEDXpTable ; |
---|
991 | theRangeCoeffATable = thepRangeCoeffATable ; |
---|
992 | theRangeCoeffBTable = thepRangeCoeffBTable ; |
---|
993 | theRangeCoeffCTable = thepRangeCoeffCTable ; |
---|
994 | } |
---|
995 | |
---|
996 | if(&aParticleType == G4AntiProton::AntiProton()) |
---|
997 | { |
---|
998 | if(theInverseRangepbarTable) |
---|
999 | { theInverseRangepbarTable->clearAndDestroy(); |
---|
1000 | delete theInverseRangepbarTable; } |
---|
1001 | theInverseRangepbarTable = new G4PhysicsTable(numOfCouples); |
---|
1002 | theInverseRangeTable = theInverseRangepbarTable ; |
---|
1003 | theRangeTable = theRangepbarTable ; |
---|
1004 | theDEDXTable = theDEDXpbarTable ; |
---|
1005 | theRangeCoeffATable = thepbarRangeCoeffATable ; |
---|
1006 | theRangeCoeffBTable = thepbarRangeCoeffBTable ; |
---|
1007 | theRangeCoeffCTable = thepbarRangeCoeffCTable ; |
---|
1008 | } |
---|
1009 | |
---|
1010 | // loop for materials |
---|
1011 | for (size_t i=0; i<numOfCouples; i++) |
---|
1012 | { |
---|
1013 | |
---|
1014 | G4PhysicsVector* pv = (*theRangeTable)[i]; |
---|
1015 | size_t nbins = pv->GetVectorLength(); |
---|
1016 | G4double elow = pv->GetLowEdgeEnergy(0); |
---|
1017 | G4double ehigh = pv->GetLowEdgeEnergy(nbins-1); |
---|
1018 | G4double rlow = pv->GetValue(elow, b); |
---|
1019 | G4double rhigh = pv->GetValue(ehigh, b); |
---|
1020 | |
---|
1021 | rhigh *= std::exp(std::log(rhigh/rlow)/((G4double)(nbins-1))); |
---|
1022 | |
---|
1023 | G4PhysicsLogVector* v = new G4PhysicsLogVector(rlow, rhigh, nbins); |
---|
1024 | |
---|
1025 | v->PutValue(0,elow); |
---|
1026 | G4double energy1 = elow; |
---|
1027 | G4double range1 = rlow; |
---|
1028 | G4double energy2 = elow; |
---|
1029 | G4double range2 = rlow; |
---|
1030 | size_t ilow = 0; |
---|
1031 | size_t ihigh; |
---|
1032 | |
---|
1033 | for (size_t j=1; j<nbins; j++) { |
---|
1034 | |
---|
1035 | G4double range = v->GetLowEdgeEnergy(j); |
---|
1036 | |
---|
1037 | for (ihigh=ilow+1; ihigh<nbins; ihigh++) { |
---|
1038 | energy2 = pv->GetLowEdgeEnergy(ihigh); |
---|
1039 | range2 = pv->GetValue(energy2, b); |
---|
1040 | if(range2 >= range || ihigh == nbins-1) { |
---|
1041 | ilow = ihigh - 1; |
---|
1042 | energy1 = pv->GetLowEdgeEnergy(ilow); |
---|
1043 | range1 = pv->GetValue(energy1, b); |
---|
1044 | break; |
---|
1045 | } |
---|
1046 | } |
---|
1047 | |
---|
1048 | G4double e = std::log(energy1) + std::log(energy2/energy1)*std::log(range/range1)/std::log(range2/range1); |
---|
1049 | |
---|
1050 | v->PutValue(j,std::exp(e)); |
---|
1051 | } |
---|
1052 | theInverseRangeTable->insert(v); |
---|
1053 | |
---|
1054 | } |
---|
1055 | } |
---|
1056 | |
---|
1057 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
1058 | |
---|
1059 | void G4hLowEnergyLoss::InvertRangeVector(G4int materialIndex, |
---|
1060 | G4PhysicsLogVector* aVector) |
---|
1061 | // invert range vector for a material |
---|
1062 | { |
---|
1063 | G4double LowEdgeRange,A,B,C,discr,KineticEnergy ; |
---|
1064 | G4double Tbin = 0; |
---|
1065 | if (RTable !=0.) Tbin = LowestKineticEnergy/RTable ; |
---|
1066 | G4double rangebin = 0.0 ; |
---|
1067 | G4int binnumber = -1 ; |
---|
1068 | G4bool isOut ; |
---|
1069 | |
---|
1070 | |
---|
1071 | //loop for range values |
---|
1072 | for( G4int i=0; i<TotBin; i++) |
---|
1073 | { |
---|
1074 | LowEdgeRange = aVector->GetLowEdgeEnergy(i) ; //i.e. GetLowEdgeValue(i) |
---|
1075 | |
---|
1076 | if( rangebin < LowEdgeRange ) |
---|
1077 | { |
---|
1078 | do |
---|
1079 | { |
---|
1080 | binnumber += 1 ; |
---|
1081 | Tbin *= RTable ; |
---|
1082 | rangebin = (*theRangeTable)(materialIndex)->GetValue(Tbin,isOut) ; |
---|
1083 | } |
---|
1084 | while ((rangebin < LowEdgeRange) && (binnumber < TotBin )) ; |
---|
1085 | } |
---|
1086 | |
---|
1087 | if(binnumber == 0) |
---|
1088 | KineticEnergy = LowestKineticEnergy ; |
---|
1089 | else if(binnumber == TotBin-1) |
---|
1090 | KineticEnergy = HighestKineticEnergy ; |
---|
1091 | else |
---|
1092 | { |
---|
1093 | A = (*(*theRangeCoeffATable)(materialIndex))(binnumber-1) ; |
---|
1094 | B = (*(*theRangeCoeffBTable)(materialIndex))(binnumber-1) ; |
---|
1095 | C = (*(*theRangeCoeffCTable)(materialIndex))(binnumber-1) ; |
---|
1096 | if(A==0.) |
---|
1097 | KineticEnergy = (LowEdgeRange -C )/B ; |
---|
1098 | else |
---|
1099 | { |
---|
1100 | discr = B*B - 4.*A*(C-LowEdgeRange); |
---|
1101 | discr = discr>0. ? std::sqrt(discr) : 0.; |
---|
1102 | KineticEnergy = 0.5*(discr-B)/A ; |
---|
1103 | } |
---|
1104 | } |
---|
1105 | |
---|
1106 | aVector->PutValue(i,KineticEnergy) ; |
---|
1107 | } |
---|
1108 | } |
---|
1109 | |
---|
1110 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1111 | |
---|
1112 | G4bool G4hLowEnergyLoss::CutsWhereModified() |
---|
1113 | { |
---|
1114 | G4bool wasModified = false; |
---|
1115 | const G4ProductionCutsTable* theCoupleTable= |
---|
1116 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
1117 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
---|
1118 | |
---|
1119 | for (size_t j=0; j<numOfCouples; j++){ |
---|
1120 | if (theCoupleTable->GetMaterialCutsCouple(j)->IsRecalcNeeded()) { |
---|
1121 | wasModified = true; |
---|
1122 | break; |
---|
1123 | } |
---|
1124 | } |
---|
1125 | return wasModified; |
---|
1126 | } |
---|
1127 | |
---|
1128 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1129 | |
---|
1130 | |
---|