1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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9 | // * include a list of copyright holders. * |
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11 | // * Neither the authors of this software system, nor their employing * |
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13 | // * work make any representation or warranty, express or implied, * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4EnergyRangeManager.cc,v 1.15 2006/06/29 19:58:21 gunter Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // Hadronic Process: Energy Range Manager |
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31 | // original by H.P. Wellisch |
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32 | // modified by J.L. Chuma, TRIUMF, 22-Nov-1996 |
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33 | // Last modified: 24-Mar-1997 |
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34 | // fix in the counter-hndling: H.P. Wellisch 04-Apr-97 |
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35 | // throw an exception if no model found: J.L. Chuma 04-Apr-97 |
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36 | |
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37 | #include "G4EnergyRangeManager.hh" |
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38 | #include "Randomize.hh" |
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39 | #include "G4HadronicException.hh" |
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40 | |
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41 | G4EnergyRangeManager::G4EnergyRangeManager( |
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42 | const G4EnergyRangeManager &right ) |
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43 | { |
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44 | if( this != &right ) |
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45 | { |
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46 | for( G4int i=0; i<theHadronicInteractionCounter; ++i ) |
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47 | theHadronicInteraction[i] = right.theHadronicInteraction[i]; |
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48 | theHadronicInteractionCounter = right.theHadronicInteractionCounter; |
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49 | } |
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50 | } |
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51 | |
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52 | G4EnergyRangeManager & |
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53 | G4EnergyRangeManager::operator=( |
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54 | const G4EnergyRangeManager &right ) |
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55 | { |
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56 | if( this != &right ) |
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57 | { |
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58 | for( G4int i=0; i<theHadronicInteractionCounter; ++i ) |
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59 | theHadronicInteraction[i] = |
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60 | right.theHadronicInteraction[i]; |
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61 | theHadronicInteractionCounter = |
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62 | right.theHadronicInteractionCounter; |
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63 | } |
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64 | return *this; |
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65 | } |
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66 | |
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67 | void |
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68 | G4EnergyRangeManager::RegisterMe( |
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69 | G4HadronicInteraction *a ) |
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70 | { |
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71 | if( theHadronicInteractionCounter+1 > MAX_NUMBER_OF_MODELS ) |
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72 | { |
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73 | throw G4HadronicException(__FILE__, __LINE__,"RegisterMe: TOO MANY MODELS"); |
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74 | } |
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75 | theHadronicInteraction[ theHadronicInteractionCounter++ ] = a; |
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76 | } |
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77 | |
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78 | G4HadronicInteraction * |
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79 | G4EnergyRangeManager::GetHadronicInteraction( |
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80 | const G4double kineticEnergy, |
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81 | const G4Material *aMaterial, |
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82 | const G4Element *anElement ) const |
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83 | { |
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84 | G4int counter = GetHadronicInteractionCounter(); |
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85 | if( counter == 0 ) |
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86 | throw G4HadronicException(__FILE__, __LINE__, |
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87 | "GetHadronicInteraction: NO MODELS STORED"); |
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88 | |
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89 | G4int cou = 0, memory = 0, memor2 = 0; |
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90 | G4double emi1 = 0.0, ema1 = 0.0, emi2 = 0.0, ema2 = 0.0; |
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91 | for( G4int i=0; i<counter; i++ ) |
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92 | { |
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93 | G4double low = theHadronicInteraction[i]->GetMinEnergy( aMaterial, anElement ); |
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94 | // Work-around for particles with 0 kinetic energy, which still |
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95 | // require a model to return a ParticleChange |
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96 | if (low == 0.) low = -DBL_MIN; |
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97 | G4double high = theHadronicInteraction[i]->GetMaxEnergy( aMaterial, anElement ); |
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98 | if( low < kineticEnergy && high >= kineticEnergy ) |
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99 | { |
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100 | ++cou; |
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101 | emi2 = emi1; |
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102 | ema2 = ema1; |
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103 | emi1 = low; |
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104 | ema1 = high; |
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105 | memor2 = memory; |
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106 | memory = i; |
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107 | } |
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108 | } |
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109 | G4int m=-1; |
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110 | G4double rand; |
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111 | switch ( cou ) |
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112 | { |
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113 | case 0: |
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114 | G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="<<counter<<", Ek=" |
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115 | <<kineticEnergy<<", Material = "<<aMaterial->GetName()<<", Element = " |
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116 | <<anElement->GetName()<<G4endl; |
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117 | for( G4int j=0; j<counter; j++ ) |
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118 | { |
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119 | G4HadronicInteraction* HInt=theHadronicInteraction[j]; |
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120 | G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement) |
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121 | <<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl; |
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122 | } |
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123 | throw G4HadronicException(__FILE__, __LINE__, |
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124 | "GetHadronicInteraction: No Model found"); |
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125 | return 0; |
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126 | case 1: |
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127 | m = memory; |
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128 | break; |
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129 | case 2: |
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130 | if( (emi2<=emi1 && ema2>=ema1) || (emi2>=emi1 && ema2<=ema1) ) |
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131 | { |
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132 | G4cout<<"G4EnergyRangeManager:GetHadronicInteraction: counter="<<counter<<", Ek=" |
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133 | <<kineticEnergy<<", Material = "<<aMaterial->GetName()<<", Element = " |
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134 | <<anElement->GetName()<<G4endl; |
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135 | if(counter) for( G4int j=0; j<counter; j++ ) |
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136 | { |
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137 | G4HadronicInteraction* HInt=theHadronicInteraction[j]; |
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138 | G4cout<<"*"<<j<<"* low=" <<HInt->GetMinEnergy(aMaterial,anElement) |
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139 | <<", high="<<HInt->GetMaxEnergy(aMaterial,anElement)<<G4endl; |
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140 | } |
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141 | throw G4HadronicException(__FILE__, __LINE__, |
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142 | "GetHadronicInteraction: Energy ranges of two models fully overlapping"); |
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143 | } |
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144 | rand = G4UniformRand(); |
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145 | if( emi1 < emi2 ) |
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146 | { |
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147 | if( (ema1-kineticEnergy)/(ema1-emi2)<rand ) |
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148 | m = memor2; |
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149 | else |
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150 | m = memory; |
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151 | } else { |
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152 | if( (ema2-kineticEnergy)/(ema2-emi1)<rand ) |
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153 | m = memory; |
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154 | else |
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155 | m = memor2; |
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156 | } |
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157 | break; |
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158 | default: |
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159 | throw G4HadronicException(__FILE__, __LINE__, |
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160 | "GetHadronicInteraction: More than two competing models in this energy range"); |
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161 | } |
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162 | return theHadronicInteraction[m]; |
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163 | } |
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164 | |
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165 | /* end of file */ |
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166 | |
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