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>> 25 //
>> 26 // $Id: G4IonisParamMat.hh 93568 2015-10-26 14:52:36Z gcosmo $
>> 27 //
25 28
26 // class description 29 // class description
27 // 30 //
28 // The class contains few (physical) quantitie 31 // The class contains few (physical) quantities related to the Ionisation
29 // process, for a material defined by its poin 32 // process, for a material defined by its pointer G4Material*
30 // 33 //
>> 34
>> 35 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 36
31 // 09-07-98: data moved from G4Material (mma) 37 // 09-07-98: data moved from G4Material (mma)
32 // 09-03-01: copy constructor and assignement 38 // 09-03-01: copy constructor and assignement operator in public (mma)
33 // 28-10-02: add setMeanExcitationEnergy (V.Iv 39 // 28-10-02: add setMeanExcitationEnergy (V.Ivanchenko)
34 // 27-09-07: add computation of parameters for 40 // 27-09-07: add computation of parameters for ions (V.Ivanchenko)
35 // 04-03-08: add fBirks constant (mma) 41 // 04-03-08: add fBirks constant (mma)
36 // 16-01-19, add exact computation of the dens << 42
>> 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
37 44
38 #ifndef G4IonisParamMat_HH 45 #ifndef G4IonisParamMat_HH
39 #define G4IonisParamMat_HH 46 #define G4IonisParamMat_HH
40 47
41 #include "G4DensityEffectCalculator.hh" <<
42 #include "G4ios.hh" 48 #include "G4ios.hh"
43 #include "globals.hh" 49 #include "globals.hh"
>> 50 #include "G4Log.hh"
>> 51 #include "G4Exp.hh"
44 52
45 class G4Material; << 53 class G4Material; // forward declaration
46 class G4DensityEffectData; 54 class G4DensityEffectData;
47 55
48 class G4IonisParamMat << 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 57
>> 58 class G4IonisParamMat // with description
49 { 59 {
50 public: << 60 public:
51 G4IonisParamMat(const G4Material*); <<
52 ~G4IonisParamMat(); <<
53 G4IonisParamMat& operator=(const G4IonisPara <<
54 G4IonisParamMat(const G4IonisParamMat&) = de <<
55 61
56 // parameters for mean energy loss calculati << 62 G4IonisParamMat(G4Material*);
57 inline G4double GetMeanExcitationEnergy() co << 63 virtual ~G4IonisParamMat();
58 64
59 void SetMeanExcitationEnergy(G4double value) << 65 //
60 G4double FindMeanExcitationEnergy(const G4Ma << 66 // retrieval methods
>> 67 //
>> 68
>> 69 // parameters for mean energy loss calculation:
>> 70 inline
>> 71 G4double GetMeanExcitationEnergy() const {return fMeanExcitationEnergy;};
61 72
62 inline G4double GetLogMeanExcEnergy() const << 73 void SetMeanExcitationEnergy(G4double value);
63 inline G4double* GetShellCorrectionVector() << 74 G4double FindMeanExcitationEnergy(const G4String& chFormula);
64 inline G4double GetTaul() const { return fTa <<
65 75
>> 76 inline
>> 77 G4double GetLogMeanExcEnergy() const {return fLogMeanExcEnergy;};
>> 78 inline
>> 79 G4double* GetShellCorrectionVector() const {return fShellCorrectionVector;};
>> 80 inline
>> 81 G4double GetTaul() const {return fTaul;};
>> 82
66 // parameters of the density correction: 83 // parameters of the density correction:
67 inline G4double GetPlasmaEnergy() const { re << 84 inline
68 inline G4double GetAdjustmentFactor() const << 85 G4double GetPlasmaEnergy() const {return fPlasmaEnergy;};
69 inline G4double GetCdensity() const { return << 86 inline
70 inline G4double GetMdensity() const { return << 87 G4double GetAdjustmentFactor() const {return fAdjustmentFactor;};
71 inline G4double GetAdensity() const { return << 88 inline
72 inline G4double GetX0density() const { retur << 89 G4double GetCdensity() const {return fCdensity;};
73 inline G4double GetX1density() const { retur << 90 inline
74 inline G4double GetD0density() const { retur << 91 G4double GetMdensity() const {return fMdensity;};
75 << 92 inline
76 // user defined density correction parameter << 93 G4double GetAdensity() const {return fAdensity;};
77 void SetDensityEffectParameters( << 94 inline
78 G4double cd, G4double md, G4double ad, G4d << 95 G4double GetX0density() const {return fX0density;};
79 << 96 inline
80 // defined density correction parameterisati << 97 G4double GetX1density() const {return fX1density;};
81 void SetDensityEffectParameters(const G4Mate << 98 inline
82 << 99 G4double GetD0density() const {return fD0density;};
83 void ComputeDensityEffectOnFly(G4bool); << 100
84 <<
85 inline G4DensityEffectCalculator* GetDensity <<
86 { <<
87 return fDensityEffectCalc; <<
88 } <<
89 <<
90 // compute density correction as a function 101 // compute density correction as a function of the kinematic variable
91 // x = log10(beta*gamma) using parameterisat << 102 // x = log10(beta*gamma)
92 inline G4double DensityCorrection(G4double x << 103 inline G4double DensityCorrection(G4double x);
93 { <<
94 return (nullptr == fDensityEffectCalc) ? G <<
95 : f <<
96 } <<
97 <<
98 // use parameterisation <<
99 G4double GetDensityCorrection(G4double x) co <<
100 104
101 static G4DensityEffectData* GetDensityEffect 105 static G4DensityEffectData* GetDensityEffectData();
102 106
103 // parameters of the energy loss fluctuation 107 // parameters of the energy loss fluctuation model:
104 inline G4double GetF1fluct() const { return << 108 inline
105 inline G4double GetF2fluct() const { return << 109 G4double GetF1fluct() const {return fF1fluct;};
106 inline G4double GetEnergy1fluct() const { re << 110 inline
107 inline G4double GetLogEnergy1fluct() const { << 111 G4double GetF2fluct() const {return fF2fluct;};
108 inline G4double GetEnergy2fluct() const { re << 112 inline
109 inline G4double GetLogEnergy2fluct() const { << 113 G4double GetEnergy1fluct() const {return fEnergy1fluct;};
110 inline G4double GetEnergy0fluct() const { re << 114 inline
111 inline G4double GetRateionexcfluct() const { << 115 G4double GetLogEnergy1fluct() const {return fLogEnergy1fluct;};
>> 116 inline
>> 117 G4double GetEnergy2fluct() const {return fEnergy2fluct;};
>> 118 inline
>> 119 G4double GetLogEnergy2fluct() const {return fLogEnergy2fluct;};
>> 120 inline
>> 121 G4double GetEnergy0fluct() const {return fEnergy0fluct;};
>> 122 inline
>> 123 G4double GetRateionexcfluct() const {return fRateionexcfluct;};
112 124
113 // parameters for ion corrections computatio 125 // parameters for ion corrections computations
114 inline G4double GetZeffective() const { retu << 126 inline
115 inline G4double GetFermiEnergy() const { ret << 127 G4double GetZeffective() const {return fZeff;};
116 inline G4double GetLFactor() const { return << 128 inline
117 inline G4double GetInvA23() const { return f << 129 G4double GetFermiEnergy() const {return fFermiEnergy;};
118 << 130 inline
>> 131 G4double GetLFactor() const {return fLfactor;};
>> 132 inline
>> 133 G4double GetInvA23() const {return fInvA23;};
>> 134
119 // parameters for Birks attenuation: 135 // parameters for Birks attenuation:
120 inline void SetBirksConstant(G4double value) << 136 inline
121 inline G4double GetBirksConstant() const { r << 137 void SetBirksConstant(G4double value) {fBirks = value;};
>> 138 inline
>> 139 G4double GetBirksConstant() const {return fBirks;};
>> 140
>> 141 // parameters for average energy per ion
>> 142 inline
>> 143 void SetMeanEnergyPerIonPair(G4double value) {fMeanEnergyPerIon = value;};
>> 144 inline
>> 145 G4double GetMeanEnergyPerIonPair() const {return fMeanEnergyPerIon;};
>> 146
>> 147 G4IonisParamMat(__void__&);
>> 148 // Fake default constructor for usage restricted to direct object
>> 149 // persistency for clients requiring preallocation of memory for
>> 150 // persistifiable objects.
122 151
123 // parameters for average energy per ion << 152 private:
124 inline void SetMeanEnergyPerIonPair(G4double << 153
125 inline G4double GetMeanEnergyPerIonPair() co <<
126 <<
127 // parameter for sampling of positron annihi <<
128 inline void SetOrtoPositroniumFraction(G4dou <<
129 inline G4double GetOrtoPositroniumFraction() <<
130 <<
131 <<
132 // operators <<
133 G4bool operator==(const G4IonisParamMat&) co <<
134 G4bool operator!=(const G4IonisParamMat&) co <<
135 <<
136 private: <<
137 // Compute mean parameters : ExcitationEnerg 154 // Compute mean parameters : ExcitationEnergy,Shell corretion vector ...
138 void ComputeMeanParameters(); 155 void ComputeMeanParameters();
139 156
140 // Compute parameters for the density effect 157 // Compute parameters for the density effect
141 void ComputeDensityEffectParameters(); << 158 void ComputeDensityEffect();
142 159
143 // Compute parameters for the energy fluctua 160 // Compute parameters for the energy fluctuation model
144 void ComputeFluctModel(); 161 void ComputeFluctModel();
145 162
146 // Compute parameters for ion parameterizati 163 // Compute parameters for ion parameterizations
147 void ComputeIonParameters(); 164 void ComputeIonParameters();
148 165
>> 166 // operators
>> 167 G4IonisParamMat& operator=(const G4IonisParamMat&);
>> 168 G4int operator==(const G4IonisParamMat&) const;
>> 169 G4int operator!=(const G4IonisParamMat&) const;
>> 170 G4IonisParamMat(const G4IonisParamMat&);
>> 171
149 // 172 //
150 // data members 173 // data members
151 // 174 //
152 const G4Material* fMaterial; // this materi << 175 G4Material* fMaterial; // this material
153 <<
154 G4DensityEffectCalculator* fDensityEffectCal <<
155 G4double* fShellCorrectionVector; // shell <<
156 176
157 // parameters for mean energy loss calculati 177 // parameters for mean energy loss calculation
158 G4double fMeanExcitationEnergy; // << 178 G4double fMeanExcitationEnergy; //
159 G4double fLogMeanExcEnergy; // << 179 G4double fLogMeanExcEnergy; //
160 G4double fTaul; // lower limit of Bethe-Blo << 180 G4double* fShellCorrectionVector; // shell correction coefficients
>> 181 G4double fTaul; // lower limit of Bethe-Bloch formula
161 182
162 // parameters of the density correction 183 // parameters of the density correction
163 G4double fCdensity; // mat.constant << 184 G4double fCdensity; // mat.constant
164 G4double fMdensity; // exponent << 185 G4double fMdensity; // exponent
165 G4double fAdensity; // << 186 G4double fAdensity; //
166 G4double fX0density; // << 187 G4double fX0density; //
167 G4double fX1density; // << 188 G4double fX1density; //
168 G4double fD0density; 189 G4double fD0density;
169 190
170 G4double fPlasmaEnergy; 191 G4double fPlasmaEnergy;
171 G4double fAdjustmentFactor; 192 G4double fAdjustmentFactor;
172 193
173 // parameters of the energy loss fluctuation 194 // parameters of the energy loss fluctuation model
174 G4double fF1fluct; << 195 G4double fF1fluct;
175 G4double fF2fluct; << 196 G4double fF2fluct;
176 G4double fEnergy1fluct; 197 G4double fEnergy1fluct;
177 G4double fLogEnergy1fluct; 198 G4double fLogEnergy1fluct;
178 G4double fEnergy2fluct; 199 G4double fEnergy2fluct;
179 G4double fLogEnergy2fluct; 200 G4double fLogEnergy2fluct;
180 G4double fEnergy0fluct; 201 G4double fEnergy0fluct;
181 G4double fRateionexcfluct; 202 G4double fRateionexcfluct;
182 203
183 // parameters for ion corrections computatio 204 // parameters for ion corrections computations
184 G4double fZeff; 205 G4double fZeff;
185 G4double fFermiEnergy; 206 G4double fFermiEnergy;
186 G4double fLfactor; 207 G4double fLfactor;
187 G4double fInvA23; 208 G4double fInvA23;
188 << 209
189 // parameter for Birks attenuation 210 // parameter for Birks attenuation
190 G4double fBirks; 211 G4double fBirks;
191 // average energy per ion pair 212 // average energy per ion pair
192 G4double fMeanEnergyPerIon; 213 G4double fMeanEnergyPerIon;
193 G4double twoln10; <<
194 // parameter for sampling of positron annihi <<
195 G4double fOrtoPositroniumFraction{0.035}; <<
196 214
197 // static data created only once 215 // static data created only once
198 static G4DensityEffectData* fDensityData; 216 static G4DensityEffectData* fDensityData;
>> 217 G4double twoln10;
199 }; 218 };
>> 219
>> 220 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 221
>> 222 inline G4double G4IonisParamMat::DensityCorrection(G4double x)
>> 223 {
>> 224 // x = log10(beta*gamma)
>> 225
>> 226 G4double y = 0.0;
>> 227 if(x < fX0density) {
>> 228 if(fD0density > 0.0) { y = fD0density*G4Exp(twoln10*(x - fX0density)); }
>> 229 } else if(x >= fX1density) { y = twoln10*x - fCdensity; }
>> 230 else {y = twoln10*x - fCdensity + fAdensity*G4Exp(G4Log(fX1density - x)*fMdensity);}
>> 231 return y;
>> 232 }
200 233
201 #endif 234 #endif
202 235