source: trunk/source/materials/include/G4IonisParamMat.hh@ 837

Last change on this file since 837 was 822, checked in by garnier, 17 years ago

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1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26//
27// $Id: G4IonisParamMat.hh,v 1.10 2007/09/27 14:05:47 vnivanch Exp $
28// GEANT4 tag $Name: geant4-09-01-patch-02 $
29//
30
31// class description
32//
33// The class contains few (physical) quantities related to the Ionisation
34// process, for a material defined by its pointer G4Material*
35//
36
37//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
38
39// 09-07-98: data moved from G4Material (mma)
40// 09-03-01: copy constructor and assignement operator in public (mma)
41// 28-10-02: add setMeanExcitationEnergy (V.Ivanchenko)
42// 27-09-07: add computation of parameters for ions (V.Ivanchenko)
43
44//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
45
46#ifndef G4IonisParamMat_HH
47#define G4IonisParamMat_HH
48
49#include "G4ios.hh"
50#include "globals.hh"
51
52class G4Material; // forward declaration
53
54//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
55
56class G4IonisParamMat // with description
57{
58public:
59
60 G4IonisParamMat(G4Material*);
61 virtual ~G4IonisParamMat();
62
63 //
64 // retrieval methods
65 //
66
67 // parameters for mean energy loss calculation:
68 G4double GetMeanExcitationEnergy() const {return fMeanExcitationEnergy;};
69 void SetMeanExcitationEnergy(G4double value);
70 G4double FindMeanExcitationEnergy(const G4String& chFormula);
71 G4double GetLogMeanExcEnergy() const {return fLogMeanExcEnergy;};
72 G4double* GetShellCorrectionVector() const {return fShellCorrectionVector;};
73 G4double GetTaul() const {return fTaul;};
74
75 // parameters of the density correction:
76 G4double GetCdensity() const {return fCdensity;};
77 G4double GetMdensity() const {return fMdensity;};
78 G4double GetAdensity() const {return fAdensity;};
79 G4double GetX0density() const {return fX0density;};
80 G4double GetX1density() const {return fX1density;};
81
82 // parameters of the energy loss fluctuation model:
83 G4double GetF1fluct() const {return fF1fluct;};
84 G4double GetF2fluct() const {return fF2fluct;};
85 G4double GetEnergy1fluct() const {return fEnergy1fluct;};
86 G4double GetLogEnergy1fluct() const {return fLogEnergy1fluct;};
87 G4double GetEnergy2fluct() const {return fEnergy2fluct;};
88 G4double GetLogEnergy2fluct() const {return fLogEnergy2fluct;};
89 G4double GetEnergy0fluct() const {return fEnergy0fluct;};
90 G4double GetRateionexcfluct() const {return fRateionexcfluct;};
91
92 // parameters for ion corrections computations
93 G4double GetZeffective() const {return fZeff;};
94 G4double GetFermiEnergy() const {return fFermiEnergy;};
95 G4double GetLFactor() const {return fLfactor;};
96
97public: // without description
98
99 G4IonisParamMat(const G4IonisParamMat&);
100 const G4IonisParamMat& operator=(const G4IonisParamMat&);
101 G4int operator==(const G4IonisParamMat&) const;
102 G4int operator!=(const G4IonisParamMat&) const;
103
104 G4IonisParamMat(__void__&);
105 // Fake default constructor for usage restricted to direct object
106 // persistency for clients requiring preallocation of memory for
107 // persistifiable objects.
108
109private:
110
111 // Compute mean parameters : ExcitationEnergy,Shell corretion vector ...
112 void ComputeMeanParameters();
113
114 // Compute parameters for the density effect
115 void ComputeDensityEffect();
116
117 // Compute parameters for the energy fluctuation model
118 void ComputeFluctModel();
119
120 // Compute parameters for ion parameterizations
121 void ComputeIonParameters();
122
123private:
124
125//
126// data members
127//
128 G4Material* fMaterial; // this material
129
130 // parameters for mean energy loss calculation
131 G4double fMeanExcitationEnergy; //
132 G4double fLogMeanExcEnergy; //
133 G4double* fShellCorrectionVector; // shell correction coefficients
134 G4double fTaul; // lower limit of Bethe-Bloch formula
135
136 // parameters of the density correction....
137 G4double fCdensity; // mat.constant
138 G4double fMdensity; // exponent
139 G4double fAdensity; //
140 G4double fX0density; //
141 G4double fX1density; //
142
143 // parameters of the energy loss fluctuation model
144 G4double fF1fluct;
145 G4double fF2fluct;
146 G4double fEnergy1fluct;
147 G4double fLogEnergy1fluct;
148 G4double fEnergy2fluct;
149 G4double fLogEnergy2fluct;
150 G4double fEnergy0fluct;
151 G4double fRateionexcfluct;
152
153 // parameters for ion corrections computations
154 G4double fZeff;
155 G4double fFermiEnergy;
156 G4double fLfactor;
157};
158
159#endif
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