| 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: G4IonisParamMat.hh,v 1.12 2008/07/08 10:34:56 vnivanch Exp $
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| 28 | // GEANT4 tag $Name: HEAD $
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| 29 | //
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| 30 |
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| 31 | // class description
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| 32 | //
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| 33 | // The class contains few (physical) quantities related to the Ionisation
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| 34 | // process, for a material defined by its pointer G4Material*
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| 35 | //
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| 36 |
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| 37 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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| 38 |
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| 39 | // 09-07-98: data moved from G4Material (mma)
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| 40 | // 09-03-01: copy constructor and assignement operator in public (mma)
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| 41 | // 28-10-02: add setMeanExcitationEnergy (V.Ivanchenko)
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| 42 | // 27-09-07: add computation of parameters for ions (V.Ivanchenko)
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| 43 | // 04-03-08: add fBirks constant (mma)
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| 44 |
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| 45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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| 46 |
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| 47 | #ifndef G4IonisParamMat_HH
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| 48 | #define G4IonisParamMat_HH
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| 49 |
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| 50 | #include "G4ios.hh"
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| 51 | #include "globals.hh"
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| 52 |
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| 53 | class G4Material; // forward declaration
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| 54 |
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| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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| 56 |
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| 57 | class G4IonisParamMat // with description
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| 58 | {
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| 59 | public:
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| 60 |
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| 61 | G4IonisParamMat(G4Material*);
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| 62 | virtual ~G4IonisParamMat();
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| 63 |
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| 64 | //
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| 65 | // retrieval methods
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| 66 | //
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| 67 |
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| 68 | // parameters for mean energy loss calculation:
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| 69 | G4double GetMeanExcitationEnergy() const {return fMeanExcitationEnergy;};
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| 70 | void SetMeanExcitationEnergy(G4double value);
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| 71 | G4double FindMeanExcitationEnergy(const G4String& chFormula);
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| 72 | G4double GetLogMeanExcEnergy() const {return fLogMeanExcEnergy;};
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| 73 | G4double* GetShellCorrectionVector() const {return fShellCorrectionVector;};
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| 74 | G4double GetTaul() const {return fTaul;};
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| 75 |
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| 76 | // parameters of the density correction:
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| 77 | G4double GetCdensity() const {return fCdensity;};
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| 78 | G4double GetMdensity() const {return fMdensity;};
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| 79 | G4double GetAdensity() const {return fAdensity;};
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| 80 | G4double GetX0density() const {return fX0density;};
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| 81 | G4double GetX1density() const {return fX1density;};
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| 82 |
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| 83 | // parameters of the energy loss fluctuation model:
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| 84 | G4double GetF1fluct() const {return fF1fluct;};
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| 85 | G4double GetF2fluct() const {return fF2fluct;};
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| 86 | G4double GetEnergy1fluct() const {return fEnergy1fluct;};
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| 87 | G4double GetLogEnergy1fluct() const {return fLogEnergy1fluct;};
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| 88 | G4double GetEnergy2fluct() const {return fEnergy2fluct;};
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| 89 | G4double GetLogEnergy2fluct() const {return fLogEnergy2fluct;};
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| 90 | G4double GetEnergy0fluct() const {return fEnergy0fluct;};
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| 91 | G4double GetRateionexcfluct() const {return fRateionexcfluct;};
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| 92 |
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| 93 | // parameters for ion corrections computations
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| 94 | G4double GetZeffective() const {return fZeff;};
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| 95 | G4double GetFermiEnergy() const {return fFermiEnergy;};
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| 96 | G4double GetLFactor() const {return fLfactor;};
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| 97 |
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| 98 | // parameters for Birks attenuation:
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| 99 | void SetBirksConstant(G4double value) {fBirks = value;};
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| 100 | G4double GetBirksConstant() const {return fBirks;};
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| 101 |
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| 102 | // parameters for average energy per ion
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| 103 | void SetMeanEnergyPerIonPair(G4double value) {fMeanEnergyPerIon = value;};
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| 104 | G4double GetMeanEnergyPerIonPair() const {return fMeanEnergyPerIon;};
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| 105 |
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| 106 | public: // without description
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| 107 |
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| 108 | G4IonisParamMat(const G4IonisParamMat&);
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| 109 | const G4IonisParamMat& operator=(const G4IonisParamMat&);
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| 110 | G4int operator==(const G4IonisParamMat&) const;
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| 111 | G4int operator!=(const G4IonisParamMat&) const;
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| 112 |
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| 113 | G4IonisParamMat(__void__&);
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| 114 | // Fake default constructor for usage restricted to direct object
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| 115 | // persistency for clients requiring preallocation of memory for
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| 116 | // persistifiable objects.
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| 117 |
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| 118 | private:
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| 119 |
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| 120 | // Compute mean parameters : ExcitationEnergy,Shell corretion vector ...
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| 121 | void ComputeMeanParameters();
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| 122 |
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| 123 | // Compute parameters for the density effect
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| 124 | void ComputeDensityEffect();
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| 125 |
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| 126 | // Compute parameters for the energy fluctuation model
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| 127 | void ComputeFluctModel();
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| 128 |
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| 129 | // Compute parameters for ion parameterizations
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| 130 | void ComputeIonParameters();
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| 131 |
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| 132 | private:
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| 133 |
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| 134 | //
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| 135 | // data members
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| 136 | //
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| 137 | G4Material* fMaterial; // this material
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| 138 |
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| 139 | // parameters for mean energy loss calculation
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| 140 | G4double fMeanExcitationEnergy; //
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| 141 | G4double fLogMeanExcEnergy; //
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| 142 | G4double* fShellCorrectionVector; // shell correction coefficients
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| 143 | G4double fTaul; // lower limit of Bethe-Bloch formula
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| 144 |
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| 145 | // parameters of the density correction....
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| 146 | G4double fCdensity; // mat.constant
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| 147 | G4double fMdensity; // exponent
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| 148 | G4double fAdensity; //
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| 149 | G4double fX0density; //
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| 150 | G4double fX1density; //
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| 151 |
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| 152 | // parameters of the energy loss fluctuation model
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| 153 | G4double fF1fluct;
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| 154 | G4double fF2fluct;
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| 155 | G4double fEnergy1fluct;
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| 156 | G4double fLogEnergy1fluct;
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| 157 | G4double fEnergy2fluct;
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| 158 | G4double fLogEnergy2fluct;
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| 159 | G4double fEnergy0fluct;
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| 160 | G4double fRateionexcfluct;
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| 161 |
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| 162 | // parameters for ion corrections computations
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| 163 | G4double fZeff;
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| 164 | G4double fFermiEnergy;
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| 165 | G4double fLfactor;
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| 166 |
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| 167 | // parameter for Birks attenuation
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| 168 | G4double fBirks;
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| 169 | // average energy per ion pair
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| 170 | G4double fMeanEnergyPerIon;
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| 171 | };
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| 172 |
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| 173 | #endif
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