[819] | 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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[961] | 26 | // $Id: G4EmCorrections.hh,v 1.24 2008/09/12 14:44:48 vnivanch Exp $ |
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[1007] | 27 | // GEANT4 tag $Name: geant4-09-02 $ |
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[819] | 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: G4EmCorrections |
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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: 13.01.2005 |
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| 39 | // |
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| 40 | // Modifications: |
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| 41 | // 28.04.2006 General cleanup, add finite size corrections (V.Ivanchenko) |
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| 42 | // 13.05.2006 Add corrections for ion stopping (V.Ivanhcenko) |
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[961] | 43 | // 20.05.2008 Removed Finite Size correction (V.Ivanchenko) |
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| 44 | // 12.09.2008 Added inlined interfaces to effective charge (V.Ivanchenko) |
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[819] | 45 | // |
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| 46 | // Class Description: |
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| 47 | // |
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| 48 | // This class provides calculation of EM corrections to ionisation |
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| 49 | // |
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| 50 | |
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| 51 | // ------------------------------------------------------------------- |
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| 52 | // |
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| 53 | |
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| 54 | #ifndef G4EmCorrections_h |
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| 55 | #define G4EmCorrections_h 1 |
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| 56 | |
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| 57 | #include "globals.hh" |
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| 58 | #include "G4AtomicShells.hh" |
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| 59 | #include "G4ionEffectiveCharge.hh" |
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| 60 | #include "G4Material.hh" |
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| 61 | #include "G4ParticleDefinition.hh" |
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[961] | 62 | #include "G4NistManager.hh" |
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[819] | 63 | |
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| 64 | class G4VEmModel; |
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| 65 | class G4PhysicsVector; |
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| 66 | class G4IonTable; |
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[961] | 67 | class G4MaterialCutsCouple; |
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[819] | 68 | |
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| 69 | class G4EmCorrections |
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| 70 | { |
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| 71 | |
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| 72 | public: |
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| 73 | |
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| 74 | G4EmCorrections(); |
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| 75 | |
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| 76 | virtual ~G4EmCorrections(); |
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| 77 | |
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[961] | 78 | G4double HighOrderCorrections(const G4ParticleDefinition*, |
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| 79 | const G4Material*, |
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| 80 | G4double kineticEnergy, |
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| 81 | G4double cutEnergy); |
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[819] | 82 | |
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[961] | 83 | G4double IonHighOrderCorrections(const G4ParticleDefinition*, |
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| 84 | const G4MaterialCutsCouple*, |
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| 85 | G4double kineticEnergy); |
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| 86 | |
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| 87 | G4double ComputeIonCorrections(const G4ParticleDefinition*, |
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| 88 | const G4Material*, |
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| 89 | G4double kineticEnergy); |
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| 90 | |
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| 91 | G4double IonBarkasCorrection(const G4ParticleDefinition*, |
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| 92 | const G4Material*, |
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| 93 | G4double kineticEnergy); |
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| 94 | |
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| 95 | G4double Bethe(const G4ParticleDefinition*, |
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| 96 | const G4Material*, |
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[819] | 97 | G4double kineticEnergy); |
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| 98 | |
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[961] | 99 | G4double SpinCorrection(const G4ParticleDefinition*, |
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| 100 | const G4Material*, |
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[819] | 101 | G4double kineticEnergy); |
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| 102 | |
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[961] | 103 | G4double KShellCorrection(const G4ParticleDefinition*, |
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| 104 | const G4Material*, |
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[819] | 105 | G4double kineticEnergy); |
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| 106 | |
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[961] | 107 | G4double LShellCorrection(const G4ParticleDefinition*, |
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| 108 | const G4Material*, |
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[819] | 109 | G4double kineticEnergy); |
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| 110 | |
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[961] | 111 | G4double ShellCorrection(const G4ParticleDefinition*, |
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| 112 | const G4Material*, |
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[819] | 113 | G4double kineticEnergy); |
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| 114 | |
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[961] | 115 | G4double ShellCorrectionSTD(const G4ParticleDefinition*, |
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| 116 | const G4Material*, |
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[819] | 117 | G4double kineticEnergy); |
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| 118 | |
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[961] | 119 | G4double DensityCorrection(const G4ParticleDefinition*, |
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| 120 | const G4Material*, |
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[819] | 121 | G4double kineticEnergy); |
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| 122 | |
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[961] | 123 | G4double BarkasCorrection(const G4ParticleDefinition*, |
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| 124 | const G4Material*, |
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[819] | 125 | G4double kineticEnergy); |
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| 126 | |
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[961] | 127 | G4double BlochCorrection(const G4ParticleDefinition*, |
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| 128 | const G4Material*, |
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[819] | 129 | G4double kineticEnergy); |
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| 130 | |
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[961] | 131 | G4double MottCorrection(const G4ParticleDefinition*, |
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| 132 | const G4Material*, |
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[819] | 133 | G4double kineticEnergy); |
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| 134 | |
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[961] | 135 | G4double NuclearDEDX(const G4ParticleDefinition*, |
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| 136 | const G4Material*, |
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[819] | 137 | G4double kineticEnergy, |
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| 138 | G4bool fluct = true); |
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| 139 | |
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| 140 | void AddStoppingData(G4int Z, G4int A, const G4String& materialName, |
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[961] | 141 | G4PhysicsVector* dVector); |
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[819] | 142 | |
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[961] | 143 | void InitialiseForNewRun(); |
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| 144 | |
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| 145 | // effective charge correction using stopping power data |
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[819] | 146 | G4double EffectiveChargeCorrection(const G4ParticleDefinition*, |
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| 147 | const G4Material*, |
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[961] | 148 | G4double kineticEnergy); |
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[819] | 149 | |
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[961] | 150 | // effective charge of an ion |
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| 151 | inline G4double GetParticleCharge(const G4ParticleDefinition*, |
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| 152 | const G4Material*, |
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| 153 | G4double kineticEnergy); |
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[819] | 154 | |
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[961] | 155 | inline |
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| 156 | G4double EffectiveChargeSquareRatio(const G4ParticleDefinition*, |
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| 157 | const G4Material*, |
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| 158 | G4double kineticEnergy); |
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[819] | 159 | |
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[961] | 160 | // ionisation models for ions |
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| 161 | inline void SetIonisationModels(G4VEmModel* m1 = 0, G4VEmModel* m2 = 0); |
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| 162 | |
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| 163 | inline G4int GetNumberOfStoppingVectors(); |
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| 164 | |
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[819] | 165 | private: |
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| 166 | |
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| 167 | void Initialise(); |
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| 168 | |
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[961] | 169 | void BuildCorrectionVector(); |
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[819] | 170 | |
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[961] | 171 | void SetupKinematics(const G4ParticleDefinition*, |
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| 172 | const G4Material*, |
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[819] | 173 | G4double kineticEnergy); |
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| 174 | |
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| 175 | G4double KShell(G4double theta, G4double eta); |
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| 176 | |
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| 177 | G4double LShell(G4double theta, G4double eta); |
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| 178 | |
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| 179 | G4int Index(G4double x, G4double* y, G4int n); |
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| 180 | |
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| 181 | G4double Value(G4double xv, G4double x1, G4double x2, G4double y1, G4double y2); |
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| 182 | |
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| 183 | G4double Value2(G4double xv, G4double yv, G4double x1, G4double x2, |
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| 184 | G4double y1, G4double y2, |
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| 185 | G4double z11, G4double z21, G4double z12, G4double z22); |
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| 186 | |
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| 187 | G4double NuclearStoppingPower(G4double e, G4double z1, G4double z2, |
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| 188 | G4double m1, G4double m2); |
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| 189 | |
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| 190 | // hide assignment operator |
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| 191 | G4EmCorrections & operator=(const G4EmCorrections &right); |
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| 192 | G4EmCorrections(const G4EmCorrections&); |
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| 193 | |
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| 194 | G4double engBarkas[47]; |
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| 195 | G4double corBarkas[47]; |
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| 196 | G4double ed[104]; |
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| 197 | G4double a[104]; |
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| 198 | G4double theZieglerFactor; |
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| 199 | G4double alpha2; |
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| 200 | G4bool lossFlucFlag; |
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| 201 | |
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| 202 | G4int verbose; |
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| 203 | |
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| 204 | G4int nK; |
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| 205 | G4int nL; |
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| 206 | G4int nEtaK; |
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| 207 | G4int nEtaL; |
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| 208 | |
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| 209 | G4double COSEB[14]; |
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| 210 | G4double COSXI[14]; |
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| 211 | G4double ZD[11]; |
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| 212 | |
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| 213 | G4double TheK[20]; |
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| 214 | G4double SK[20]; |
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| 215 | G4double TK[20]; |
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| 216 | G4double UK[20]; |
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| 217 | G4double VK[20]; |
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| 218 | G4double ZK[20]; |
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| 219 | |
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| 220 | G4double TheL[26]; |
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| 221 | G4double SL[26]; |
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| 222 | G4double TL[26]; |
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| 223 | G4double UL[26]; |
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| 224 | G4double VL[26]; |
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| 225 | |
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| 226 | G4double Eta[29]; |
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| 227 | G4double CK[20][29]; |
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| 228 | G4double CL[26][28]; |
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| 229 | G4double HM[53]; |
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| 230 | G4double HN[31]; |
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| 231 | G4double MSH[93]; |
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| 232 | G4double TAU[93]; |
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| 233 | G4double Z23[100]; |
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| 234 | |
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[961] | 235 | std::vector<const G4Material*> currmat; |
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| 236 | std::vector<G4double> thcorr[100]; |
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| 237 | size_t ncouples; |
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| 238 | |
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[819] | 239 | const G4ParticleDefinition* particle; |
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| 240 | const G4ParticleDefinition* curParticle; |
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| 241 | const G4Material* material; |
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| 242 | const G4Material* curMaterial; |
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| 243 | const G4ElementVector* theElementVector; |
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| 244 | const G4double* atomDensity; |
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| 245 | |
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| 246 | G4int numberOfElements; |
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| 247 | G4double kinEnergy; |
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| 248 | G4double mass; |
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| 249 | G4double massFactor; |
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[961] | 250 | G4double formfact; |
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| 251 | G4double eth; |
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[819] | 252 | G4double tau; |
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| 253 | G4double gamma; |
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| 254 | G4double bg2; |
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| 255 | G4double beta2; |
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| 256 | G4double beta; |
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| 257 | G4double ba2; |
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| 258 | G4double tmax; |
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| 259 | G4double charge; |
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| 260 | G4double q2; |
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[961] | 261 | G4double eCorrMin; |
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| 262 | G4double eCorrMax; |
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| 263 | G4int nbinCorr; |
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[819] | 264 | |
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| 265 | G4AtomicShells shells; |
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| 266 | G4ionEffectiveCharge effCharge; |
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| 267 | |
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| 268 | G4NistManager* nist; |
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| 269 | const G4IonTable* ionTable; |
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[961] | 270 | G4VEmModel* ionLEModel; |
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| 271 | G4VEmModel* ionHEModel; |
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[819] | 272 | |
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| 273 | // Ion stopping data |
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| 274 | G4int nIons; |
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| 275 | G4int idx; |
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[961] | 276 | G4int currentZ; |
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[819] | 277 | std::vector<G4int> Zion; |
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| 278 | std::vector<G4int> Aion; |
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| 279 | std::vector<G4String> materialName; |
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| 280 | |
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[961] | 281 | std::vector<const G4ParticleDefinition*> ionList; |
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| 282 | |
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[819] | 283 | std::vector<const G4Material*> materialList; |
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| 284 | std::vector<G4PhysicsVector*> stopData; |
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| 285 | G4PhysicsVector* curVector; |
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| 286 | }; |
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| 287 | |
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| 288 | inline G4int G4EmCorrections::Index(G4double x, G4double* y, G4int n) |
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| 289 | { |
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| 290 | G4int iddd = n-1; |
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| 291 | do {iddd--;} while (iddd>0 && x<y[iddd]); |
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| 292 | return iddd; |
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| 293 | } |
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| 294 | |
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| 295 | inline G4double G4EmCorrections::Value(G4double xv, G4double x1, G4double x2, |
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| 296 | G4double y1, G4double y2) |
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| 297 | { |
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| 298 | return y1 + (y2 - y1)*(xv - x1)/(x2 - x1); |
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| 299 | } |
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| 300 | |
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| 301 | inline G4double G4EmCorrections::Value2(G4double xv, G4double yv, |
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| 302 | G4double x1, G4double x2, |
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| 303 | G4double y1, G4double y2, |
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| 304 | G4double z11, G4double z21, |
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| 305 | G4double z12, G4double z22) |
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| 306 | { |
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| 307 | return (z11*(x2-xv)*(y2-yv) + z22*(xv-x1)*(yv-y1) + |
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| 308 | 0.5*(z12*((x2-xv)*(yv-y1)+(xv-x1)*(y2-yv))+ |
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| 309 | z21*((xv-x1)*(y2-yv)+(yv-y1)*(x2-xv)))) |
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| 310 | / ((x2-x1)*(y2-y1)); |
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| 311 | } |
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| 312 | |
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[961] | 313 | inline |
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| 314 | void G4EmCorrections::SetIonisationModels(G4VEmModel* m1, G4VEmModel* m2) |
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| 315 | { |
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| 316 | if(m1) ionLEModel = m1; |
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| 317 | if(m2) ionHEModel = m2; |
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| 318 | } |
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| 319 | |
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| 320 | inline G4int G4EmCorrections::GetNumberOfStoppingVectors() |
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| 321 | { |
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| 322 | return nIons; |
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| 323 | } |
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| 324 | |
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| 325 | inline G4double |
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| 326 | G4EmCorrections::GetParticleCharge(const G4ParticleDefinition* p, |
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| 327 | const G4Material* mat, |
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| 328 | G4double kineticEnergy) |
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| 329 | { |
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| 330 | return effCharge.EffectiveCharge(p,mat,kineticEnergy); |
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| 331 | } |
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| 332 | |
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| 333 | inline G4double |
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| 334 | G4EmCorrections::EffectiveChargeSquareRatio(const G4ParticleDefinition* p, |
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| 335 | const G4Material* mat, |
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| 336 | G4double kineticEnergy) |
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| 337 | { |
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| 338 | return effCharge.EffectiveChargeSquareRatio(p,mat,kineticEnergy); |
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| 339 | } |
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| 340 | |
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[819] | 341 | inline void G4EmCorrections::SetupKinematics(const G4ParticleDefinition* p, |
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| 342 | const G4Material* mat, |
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| 343 | G4double kineticEnergy) |
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| 344 | { |
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| 345 | if(kineticEnergy != kinEnergy || p != particle) { |
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| 346 | particle = p; |
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| 347 | kinEnergy = kineticEnergy; |
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| 348 | mass = p->GetPDGMass(); |
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| 349 | tau = kineticEnergy / mass; |
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| 350 | gamma = 1.0 + tau; |
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| 351 | bg2 = tau * (tau+2.0); |
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| 352 | beta2 = bg2/(gamma*gamma); |
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| 353 | beta = std::sqrt(beta2); |
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| 354 | ba2 = beta2/alpha2; |
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| 355 | G4double ratio = electron_mass_c2/mass; |
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| 356 | tmax = 2.0*electron_mass_c2*bg2 /(1. + 2.0*gamma*ratio + ratio*ratio); |
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| 357 | charge = p->GetPDGCharge()/eplus; |
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[961] | 358 | if(charge < 1.5) {q2 = charge*charge;} |
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[819] | 359 | else { |
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| 360 | q2 = effCharge.EffectiveChargeSquareRatio(p,mat,kinEnergy); |
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| 361 | charge = std::sqrt(q2); |
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| 362 | } |
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| 363 | } |
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| 364 | if(mat != material) { |
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| 365 | material = mat; |
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| 366 | theElementVector = material->GetElementVector(); |
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| 367 | atomDensity = material->GetAtomicNumDensityVector(); |
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| 368 | numberOfElements = material->GetNumberOfElements(); |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 373 | |
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| 374 | #endif |
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