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: G4BraggModel.hh,v 1.15 2010/05/27 10:08:58 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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28 | // |
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29 | // ------------------------------------------------------------------- |
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30 | // |
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31 | // GEANT4 Class header file |
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32 | // |
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33 | // |
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34 | // File name: G4BraggModel |
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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 | // 23-12-02 V.Ivanchenko change interface in order to moveto cut per region |
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42 | // 24-01-03 Make models region aware (V.Ivanchenko) |
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43 | // 13-02-03 Add name (V.Ivanchenko) |
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44 | // 12-11-03 Fix for GenericIons (V.Ivanchenko) |
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45 | // 11-04-05 Major optimisation of internal interfaces (V.Ivantchenko) |
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46 | // 15-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma) |
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47 | // 25-04-06 Added stopping data from PSTAR (V.Ivanchenko) |
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48 | // 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio, |
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49 | // CorrectionsAlongStep needed for ions(V.Ivanchenko) |
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50 | |
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51 | // |
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52 | // Class Description: |
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53 | // |
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54 | // Implementation of energy loss and delta-electron production |
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55 | // by heavy slow charged particles using ICRU'49 and NIST evaluated data |
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56 | // for protons |
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57 | |
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58 | // ------------------------------------------------------------------- |
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59 | // |
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60 | |
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61 | #ifndef G4BraggModel_h |
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62 | #define G4BraggModel_h 1 |
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63 | |
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64 | #include "G4VEmModel.hh" |
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65 | #include "G4PSTARStopping.hh" |
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66 | |
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67 | class G4ParticleChangeForLoss; |
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68 | class G4EmCorrections; |
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69 | |
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70 | class G4BraggModel : public G4VEmModel |
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71 | { |
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72 | |
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73 | public: |
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74 | |
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75 | G4BraggModel(const G4ParticleDefinition* p = 0, |
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76 | const G4String& nam = "Bragg"); |
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77 | |
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78 | virtual ~G4BraggModel(); |
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79 | |
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80 | virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&); |
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81 | |
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82 | virtual G4double MinEnergyCut(const G4ParticleDefinition*, |
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83 | const G4MaterialCutsCouple*); |
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84 | |
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85 | virtual G4double ComputeCrossSectionPerElectron( |
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86 | const G4ParticleDefinition*, |
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87 | G4double kineticEnergy, |
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88 | G4double cutEnergy, |
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89 | G4double maxEnergy); |
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90 | |
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91 | virtual G4double ComputeCrossSectionPerAtom( |
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92 | const G4ParticleDefinition*, |
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93 | G4double kineticEnergy, |
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94 | G4double Z, G4double A, |
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95 | G4double cutEnergy, |
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96 | G4double maxEnergy); |
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97 | |
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98 | virtual G4double CrossSectionPerVolume(const G4Material*, |
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99 | const G4ParticleDefinition*, |
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100 | G4double kineticEnergy, |
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101 | G4double cutEnergy, |
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102 | G4double maxEnergy); |
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103 | |
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104 | virtual G4double ComputeDEDXPerVolume(const G4Material*, |
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105 | const G4ParticleDefinition*, |
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106 | G4double kineticEnergy, |
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107 | G4double cutEnergy); |
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108 | |
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109 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, |
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110 | const G4MaterialCutsCouple*, |
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111 | const G4DynamicParticle*, |
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112 | G4double tmin, |
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113 | G4double maxEnergy); |
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114 | |
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115 | // Compute ion charge |
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116 | virtual G4double GetChargeSquareRatio(const G4ParticleDefinition*, |
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117 | const G4Material*, |
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118 | G4double kineticEnergy); |
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119 | |
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120 | virtual G4double GetParticleCharge(const G4ParticleDefinition* p, |
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121 | const G4Material* mat, |
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122 | G4double kineticEnergy); |
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123 | |
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124 | protected: |
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125 | |
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126 | virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition*, |
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127 | G4double kinEnergy); |
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128 | |
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129 | inline G4double GetChargeSquareRatio() const; |
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130 | |
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131 | inline void SetChargeSquareRatio(G4double val); |
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132 | |
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133 | private: |
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134 | |
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135 | inline void SetParticle(const G4ParticleDefinition* p); |
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136 | |
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137 | G4bool HasMaterial(const G4Material* material); |
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138 | |
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139 | G4double StoppingPower(const G4Material* material, |
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140 | G4double kineticEnergy); |
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141 | |
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142 | G4double ElectronicStoppingPower(G4double z, |
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143 | G4double kineticEnergy) const; |
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144 | |
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145 | void SetMoleculaNumber(G4int number) {iMolecula = number;}; |
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146 | |
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147 | G4double DEDX(const G4Material* material, G4double kineticEnergy); |
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148 | |
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149 | G4bool MolecIsInZiegler1988(const G4Material* material); |
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150 | |
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151 | G4double ChemicalFactor(G4double kineticEnergy, G4double eloss125) const; |
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152 | |
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153 | void SetExpStopPower125(G4double value) {expStopPower125 = value;}; |
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154 | |
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155 | // hide assignment operator |
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156 | G4BraggModel & operator=(const G4BraggModel &right); |
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157 | G4BraggModel(const G4BraggModel&); |
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158 | |
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159 | |
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160 | G4EmCorrections* corr; |
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161 | |
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162 | const G4ParticleDefinition* particle; |
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163 | G4ParticleDefinition* theElectron; |
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164 | G4ParticleChangeForLoss* fParticleChange; |
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165 | G4PSTARStopping pstar; |
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166 | |
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167 | G4double mass; |
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168 | G4double spin; |
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169 | G4double chargeSquare; |
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170 | G4double massRate; |
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171 | G4double ratio; |
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172 | G4double lowestKinEnergy; |
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173 | G4double protonMassAMU; |
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174 | G4double theZieglerFactor; |
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175 | G4double expStopPower125; // Experimental Stopping power at 125keV |
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176 | |
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177 | G4int iMolecula; // index in the molecula's table |
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178 | G4bool isIon; |
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179 | G4bool isInitialised; |
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180 | }; |
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181 | |
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182 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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183 | |
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184 | inline void G4BraggModel::SetParticle(const G4ParticleDefinition* p) |
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185 | { |
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186 | particle = p; |
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187 | mass = particle->GetPDGMass(); |
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188 | spin = particle->GetPDGSpin(); |
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189 | G4double q = particle->GetPDGCharge()/eplus; |
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190 | chargeSquare = q*q; |
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191 | massRate = mass/proton_mass_c2; |
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192 | ratio = electron_mass_c2/mass; |
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193 | } |
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194 | |
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195 | inline G4double G4BraggModel::GetChargeSquareRatio() const |
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196 | { |
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197 | return chargeSquare; |
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198 | } |
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199 | |
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200 | inline void G4BraggModel::SetChargeSquareRatio(G4double val) |
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201 | { |
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202 | chargeSquare = val; |
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203 | } |
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204 | |
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205 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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206 | |
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207 | #endif |
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