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24 // ******************************************* 24 // ********************************************************************
>> 25 //
>> 26 //
25 27
26 // class description 28 // class description
27 // 29 //
28 // The class contains few (physical) quantitie 30 // The class contains few (physical) quantities related to the Ionisation
29 // process, for a material defined by its poin 31 // process, for a material defined by its pointer G4Material*
30 // 32 //
>> 33
>> 34 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 35
31 // 09-07-98: data moved from G4Material (mma) 36 // 09-07-98: data moved from G4Material (mma)
32 // 09-03-01: copy constructor and assignement 37 // 09-03-01: copy constructor and assignement operator in public (mma)
33 // 28-10-02: add setMeanExcitationEnergy (V.Iv 38 // 28-10-02: add setMeanExcitationEnergy (V.Ivanchenko)
34 // 27-09-07: add computation of parameters for 39 // 27-09-07: add computation of parameters for ions (V.Ivanchenko)
35 // 04-03-08: add fBirks constant (mma) 40 // 04-03-08: add fBirks constant (mma)
36 // 16-01-19, add exact computation of the dens << 41
>> 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
37 43
38 #ifndef G4IonisParamMat_HH 44 #ifndef G4IonisParamMat_HH
39 #define G4IonisParamMat_HH 45 #define G4IonisParamMat_HH
40 46
41 #include "G4DensityEffectCalculator.hh" <<
42 #include "G4ios.hh" 47 #include "G4ios.hh"
43 #include "globals.hh" 48 #include "globals.hh"
>> 49 #include "G4Log.hh"
>> 50 #include "G4Exp.hh"
>> 51 #include "G4Threading.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*); << 61
>> 62 G4IonisParamMat(const G4Material*);
52 ~G4IonisParamMat(); 63 ~G4IonisParamMat();
53 G4IonisParamMat& operator=(const G4IonisPara <<
54 G4IonisParamMat(const G4IonisParamMat&) = de <<
55 64
56 // parameters for mean energy loss calculati 65 // parameters for mean energy loss calculation:
57 inline G4double GetMeanExcitationEnergy() co << 66 inline
>> 67 G4double GetMeanExcitationEnergy() const {return fMeanExcitationEnergy;};
58 68
59 void SetMeanExcitationEnergy(G4double value) << 69 void SetMeanExcitationEnergy(G4double value);
60 G4double FindMeanExcitationEnergy(const G4Ma << 70 G4double FindMeanExcitationEnergy(const G4Material*) const;
61 <<
62 inline G4double GetLogMeanExcEnergy() const <<
63 inline G4double* GetShellCorrectionVector() <<
64 inline G4double GetTaul() const { return fTa <<
65 71
>> 72 inline
>> 73 G4double GetLogMeanExcEnergy() const {return fLogMeanExcEnergy;};
>> 74 inline
>> 75 G4double* GetShellCorrectionVector() const {return fShellCorrectionVector;};
>> 76 inline
>> 77 G4double GetTaul() const {return fTaul;};
>> 78
66 // parameters of the density correction: 79 // parameters of the density correction:
67 inline G4double GetPlasmaEnergy() const { re << 80 inline
68 inline G4double GetAdjustmentFactor() const << 81 G4double GetPlasmaEnergy() const {return fPlasmaEnergy;};
69 inline G4double GetCdensity() const { return << 82 inline
70 inline G4double GetMdensity() const { return << 83 G4double GetAdjustmentFactor() const {return fAdjustmentFactor;};
71 inline G4double GetAdensity() const { return << 84 inline
72 inline G4double GetX0density() const { retur << 85 G4double GetCdensity() const {return fCdensity;};
73 inline G4double GetX1density() const { retur << 86 inline
74 inline G4double GetD0density() const { retur << 87 G4double GetMdensity() const {return fMdensity;};
>> 88 inline
>> 89 G4double GetAdensity() const {return fAdensity;};
>> 90 inline
>> 91 G4double GetX0density() const {return fX0density;};
>> 92 inline
>> 93 G4double GetX1density() const {return fX1density;};
>> 94 inline
>> 95 G4double GetD0density() const {return fD0density;};
75 96
76 // user defined density correction parameter 97 // user defined density correction parameterisation
77 void SetDensityEffectParameters( << 98 void SetDensityEffectParameters(G4double cd, G4double md, G4double ad,
78 G4double cd, G4double md, G4double ad, G4d << 99 G4double x0, G4double x1, G4double d0);
79 100
80 // defined density correction parameterisati 101 // defined density correction parameterisation via base material
81 void SetDensityEffectParameters(const G4Mate 102 void SetDensityEffectParameters(const G4Material* bmat);
82 << 103
83 void ComputeDensityEffectOnFly(G4bool); <<
84 <<
85 inline G4DensityEffectCalculator* GetDensity <<
86 { <<
87 return fDensityEffectCalc; <<
88 } <<
89 <<
90 // compute density correction as a function 104 // compute density correction as a function of the kinematic variable
91 // x = log10(beta*gamma) using parameterisat << 105 // x = log10(beta*gamma)
92 inline G4double DensityCorrection(G4double x << 106 inline G4double DensityCorrection(G4double x);
93 { <<
94 return (nullptr == fDensityEffectCalc) ? G <<
95 : f <<
96 } <<
97 <<
98 // use parameterisation <<
99 G4double GetDensityCorrection(G4double x) co <<
100 107
101 static G4DensityEffectData* GetDensityEffect 108 static G4DensityEffectData* GetDensityEffectData();
102 109
103 // parameters of the energy loss fluctuation 110 // parameters of the energy loss fluctuation model:
104 inline G4double GetF1fluct() const { return << 111 inline
105 inline G4double GetF2fluct() const { return << 112 G4double GetF1fluct() const {return fF1fluct;};
106 inline G4double GetEnergy1fluct() const { re << 113 inline
107 inline G4double GetLogEnergy1fluct() const { << 114 G4double GetF2fluct() const {return fF2fluct;};
108 inline G4double GetEnergy2fluct() const { re << 115 inline
109 inline G4double GetLogEnergy2fluct() const { << 116 G4double GetEnergy1fluct() const {return fEnergy1fluct;};
110 inline G4double GetEnergy0fluct() const { re << 117 inline
111 inline G4double GetRateionexcfluct() const { << 118 G4double GetLogEnergy1fluct() const {return fLogEnergy1fluct;};
>> 119 inline
>> 120 G4double GetEnergy2fluct() const {return fEnergy2fluct;};
>> 121 inline
>> 122 G4double GetLogEnergy2fluct() const {return fLogEnergy2fluct;};
>> 123 inline
>> 124 G4double GetEnergy0fluct() const {return fEnergy0fluct;};
>> 125 inline
>> 126 G4double GetRateionexcfluct() const {return fRateionexcfluct;};
112 127
113 // parameters for ion corrections computatio 128 // parameters for ion corrections computations
114 inline G4double GetZeffective() const { retu << 129 inline
115 inline G4double GetFermiEnergy() const { ret << 130 G4double GetZeffective() const {return fZeff;};
116 inline G4double GetLFactor() const { return << 131 inline
117 inline G4double GetInvA23() const { return f << 132 G4double GetFermiEnergy() const {return fFermiEnergy;};
118 << 133 inline
>> 134 G4double GetLFactor() const {return fLfactor;};
>> 135 inline
>> 136 G4double GetInvA23() const {return fInvA23;};
>> 137
119 // parameters for Birks attenuation: 138 // parameters for Birks attenuation:
120 inline void SetBirksConstant(G4double value) << 139 inline
121 inline G4double GetBirksConstant() const { r << 140 void SetBirksConstant(G4double value) {fBirks = value;};
>> 141 inline
>> 142 G4double GetBirksConstant() const {return fBirks;};
>> 143
>> 144 // parameters for average energy per ion
>> 145 inline
>> 146 void SetMeanEnergyPerIonPair(G4double value) {fMeanEnergyPerIon = value;};
>> 147 inline
>> 148 G4double GetMeanEnergyPerIonPair() const {return fMeanEnergyPerIon;};
>> 149
>> 150 G4IonisParamMat(__void__&);
>> 151 // Fake default constructor for usage restricted to direct object
>> 152 // persistency for clients requiring preallocation of memory for
>> 153 // persistifiable objects.
122 154
123 // parameters for average energy per ion << 155 private:
124 inline void SetMeanEnergyPerIonPair(G4double << 156
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 157 // Compute mean parameters : ExcitationEnergy,Shell corretion vector ...
138 void ComputeMeanParameters(); 158 void ComputeMeanParameters();
139 159
140 // Compute parameters for the density effect 160 // Compute parameters for the density effect
141 void ComputeDensityEffectParameters(); << 161 void ComputeDensityEffect();
142 162
143 // Compute parameters for the energy fluctua 163 // Compute parameters for the energy fluctuation model
144 void ComputeFluctModel(); 164 void ComputeFluctModel();
145 165
146 // Compute parameters for ion parameterizati 166 // Compute parameters for ion parameterizations
147 void ComputeIonParameters(); 167 void ComputeIonParameters();
148 168
>> 169 // operators
>> 170 G4IonisParamMat& operator=(const G4IonisParamMat&) = delete;
>> 171 G4bool operator==(const G4IonisParamMat&) const = delete;
>> 172 G4bool operator!=(const G4IonisParamMat&) const = delete;
>> 173 G4IonisParamMat(const G4IonisParamMat&) = delete;
>> 174
149 // 175 //
150 // data members 176 // data members
151 // 177 //
152 const G4Material* fMaterial; // this materi << 178 const G4Material* fMaterial; // this material
153 <<
154 G4DensityEffectCalculator* fDensityEffectCal <<
155 G4double* fShellCorrectionVector; // shell <<
156 179
157 // parameters for mean energy loss calculati 180 // parameters for mean energy loss calculation
158 G4double fMeanExcitationEnergy; // << 181 G4double fMeanExcitationEnergy; //
159 G4double fLogMeanExcEnergy; // << 182 G4double fLogMeanExcEnergy; //
160 G4double fTaul; // lower limit of Bethe-Blo << 183 G4double* fShellCorrectionVector; // shell correction coefficients
>> 184 G4double fTaul; // lower limit of Bethe-Bloch formula
161 185
162 // parameters of the density correction 186 // parameters of the density correction
163 G4double fCdensity; // mat.constant << 187 G4double fCdensity; // mat.constant
164 G4double fMdensity; // exponent << 188 G4double fMdensity; // exponent
165 G4double fAdensity; // << 189 G4double fAdensity; //
166 G4double fX0density; // << 190 G4double fX0density; //
167 G4double fX1density; // << 191 G4double fX1density; //
168 G4double fD0density; 192 G4double fD0density;
169 193
170 G4double fPlasmaEnergy; 194 G4double fPlasmaEnergy;
171 G4double fAdjustmentFactor; 195 G4double fAdjustmentFactor;
172 196
173 // parameters of the energy loss fluctuation 197 // parameters of the energy loss fluctuation model
174 G4double fF1fluct; << 198 G4double fF1fluct;
175 G4double fF2fluct; << 199 G4double fF2fluct;
176 G4double fEnergy1fluct; 200 G4double fEnergy1fluct;
177 G4double fLogEnergy1fluct; 201 G4double fLogEnergy1fluct;
178 G4double fEnergy2fluct; 202 G4double fEnergy2fluct;
179 G4double fLogEnergy2fluct; 203 G4double fLogEnergy2fluct;
180 G4double fEnergy0fluct; 204 G4double fEnergy0fluct;
181 G4double fRateionexcfluct; 205 G4double fRateionexcfluct;
182 206
183 // parameters for ion corrections computatio 207 // parameters for ion corrections computations
184 G4double fZeff; 208 G4double fZeff;
185 G4double fFermiEnergy; 209 G4double fFermiEnergy;
186 G4double fLfactor; 210 G4double fLfactor;
187 G4double fInvA23; 211 G4double fInvA23;
188 << 212
189 // parameter for Birks attenuation 213 // parameter for Birks attenuation
190 G4double fBirks; 214 G4double fBirks;
191 // average energy per ion pair 215 // average energy per ion pair
192 G4double fMeanEnergyPerIon; 216 G4double fMeanEnergyPerIon;
193 G4double twoln10; <<
194 // parameter for sampling of positron annihi <<
195 G4double fOrtoPositroniumFraction{0.035}; <<
196 217
197 // static data created only once 218 // static data created only once
198 static G4DensityEffectData* fDensityData; 219 static G4DensityEffectData* fDensityData;
>> 220 G4double twoln10;
>> 221 #ifdef G4MULTITHREADED
>> 222 static G4Mutex ionisMutex;
>> 223 #endif
199 }; 224 };
>> 225
>> 226 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 227
>> 228 inline G4double G4IonisParamMat::DensityCorrection(G4double x)
>> 229 {
>> 230 // x = log10(beta*gamma)
>> 231 G4double y = 0.0;
>> 232 if(x < fX0density) {
>> 233 if(fD0density > 0.0) { y = fD0density*G4Exp(twoln10*(x - fX0density)); }
>> 234 } else if(x >= fX1density) { y = twoln10*x - fCdensity; }
>> 235 else {y = twoln10*x - fCdensity + fAdensity*G4Exp(G4Log(fX1density - x)*fMdensity);}
>> 236 return y;
>> 237 }
200 238
201 #endif 239 #endif
202 240