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25 //
26 // Created by Z. Francis, S. Incerti 2010
27 //
28 // Modified for inverse rudd function sampling 26.10.2010
29 // Rewitten by V.Ivanchenko 21.05.2023
30 //
31
32 #ifndef G4DNARuddIonisationExtendedModel_h
33 #define G4DNARuddIonisationExtendedModel_h 1
34
35 #include "G4VEmModel.hh"
36 #include "G4ParticleChangeForGamma.hh"
37 #include "G4ProductionCutsTable.hh"
38
39 #include "G4EmCorrections.hh"
40 #include "G4DNAGenericIonsManager.hh"
41 #include "G4DNACrossSectionDataSet.hh"
42 #include "G4Electron.hh"
43 #include "G4Proton.hh"
44 #include "G4LogLogInterpolation.hh"
45
46 #include "G4DNAWaterIonisationStructure.hh"
47 #include "G4VAtomDeexcitation.hh"
48 #include "G4NistManager.hh"
49 #include <vector>
50
51 class G4DNARuddIonisationExtendedModel : public G4VEmModel
52 {
53 public:
54
55 explicit G4DNARuddIonisationExtendedModel(const G4ParticleDefinition* p = nullptr,
56 const G4String& nam = "DNARuddIonisationExtendedModel");
57
58 ~G4DNARuddIonisationExtendedModel() override;
59
60 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
61
62 G4double CrossSectionPerVolume(const G4Material* material,
63 const G4ParticleDefinition* p,
64 G4double ekin,
65 G4double emin,
66 G4double emax) override;
67
68 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
69 const G4MaterialCutsCouple*,
70 const G4DynamicParticle*,
71 G4double tmin,
72 G4double maxEnergy) override;
73
74 void SelectStationary(G4bool val) { statCode = val; };
75
76 // method for unit tests
77 G4double ComputeProbabilityFunction(const G4ParticleDefinition*, G4double kine,
78 G4double deltae, G4int shell);
79
80 G4DNARuddIonisationExtendedModel & operator=
81 (const G4DNARuddIonisationExtendedModel &right) = delete;
82 G4DNARuddIonisationExtendedModel(const G4DNARuddIonisationExtendedModel&) = delete;
83
84 private:
85
86 void LoadData();
87
88 void SetParticle(const G4ParticleDefinition*);
89
90 G4int SelectShell(G4double energy);
91
92 G4double MaxEnergy(G4double kine, G4int shell);
93
94 G4double SampleElectronEnergy(G4double kine, G4int shell);
95
96 G4double ProbabilityFunction(G4double kine, G4double deltae, G4int shell);
97
98 G4double S_1s(G4double t,
99 G4double energyTransferred,
100 G4double slaterEffectiveChg,
101 G4double shellNumber);
102
103 G4double S_2s(G4double t,
104 G4double energyTransferred,
105 G4double slaterEffectiveChg,
106 G4double shellNumber);
107
108
109 G4double S_2p(G4double t,
110 G4double energyTransferred,
111 G4double slaterEffectiveChg,
112 G4double shellNumber);
113
114 G4double Rh(G4double t,
115 G4double energyTransferred,
116 G4double slaterEffectiveChg,
117 G4double shellNumber);
118
119 G4double CorrectionFactor(G4double kine, G4int shell);
120
121 protected:
122
123 G4ParticleChangeForGamma* fParticleChangeForGamma{nullptr};
124
125 private:
126
127 // idx = 0 - hydrogen
128 // idx = 1 - proton
129 // idx = 2%26 - ions idx=Z
130 // idx = -1 - alpha+
131 // idx = -1 - helium
132 static const G4int RUDDZMAX = 27;
133 static G4DNACrossSectionDataSet* xsdata[RUDDZMAX];
134 static G4DNACrossSectionDataSet* xsalphaplus;
135 static G4DNACrossSectionDataSet* xshelium;
136
137 // Water density table
138 static const std::vector<G4double>* fpWaterDensity;
139
140 G4DNACrossSectionDataSet* xscurrent{nullptr};
141 const G4ParticleDefinition* fParticle{nullptr};
142 G4EmCorrections* fEmCorrections;
143 G4Pow* fGpow;
144
145 //deexcitation manager to produce fluo photons and e-
146 G4VAtomDeexcitation* fAtomDeexcitation{nullptr};
147
148 // tracking cut and low-energy limit of proton x-section table
149 G4double fLowestEnergy;
150 // scaled low-energy limit of ion x-section table
151 G4double fLimitEnergy;
152
153 G4double fMass{0.0};
154 G4double fMassRate{1.0};
155 G4double fElow{0.0};
156
157 G4double F1{0.0};
158 G4double F2{0.0};
159 G4double alphaConst{0.0};
160 G4double bEnergy{0.0};
161 G4double u{0.0};
162 G4double v{0.0};
163 G4double wc{0.0};
164
165 G4double slaterEffectiveCharge[3] = {0.0};
166 G4double sCoefficient[3] = {0.0};
167 G4double fTemp[5] = {0.0};
168
169 G4int idx{-1};
170 G4int verbose{0};
171
172 G4bool isInitialised{false};
173 G4bool isIon{false};
174 G4bool isFirst{false};
175 G4bool isHelium{false};
176 G4bool statCode{false};
177 G4bool useDNAWaterStructure{true};
178
179 // energy levels of water molecule
180 G4DNAWaterIonisationStructure waterStructure;
181 };
182
183 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184
185 #endif
186