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25 //
26 // $Id: G4PenelopeRayleighModelMI.hh 75573 2013-11-04 11:48:15Z gcosmo $
27 //
28 // Author: Luciano Pandola and Gianfranco Paternò
29 //
30 // -------------------------------------------------------------------
31 // History:
32 // 03 Dec 2009 L. Pandola 1st implementation
33 // 25 May 2011 L. Pandola Renamed (make v2008 as default Penelope)
34 // 27 Sep 2013 L. Pandola Migration to MT paradigm
35 // 20 Aug 2017 G. Paternò Molecular Interference implementation
36 // 24 Mar 2019 G. Paternò Improved Molecular Interference implementation
37 // 20 Jun 2020 G. Paternò Read qext separately and leave original atomic
38 // form factors
39 // 27 Aug 2020 G. Paternò Further improvement of MI implementation
40 // 04 Mar 2021 L. Pandola Replace maps with arrays
41 //
42 // -------------------------------------------------------------------
43 // Class description:
44 // Low Energy Electromagnetic Physics, Rayleigh Scattering
45 // with the model from Penelope, version 2008
46 // extended for Molecular Interference Effects
47 // -------------------------------------------------------------------
48 //
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
50
51 #ifndef G4PenelopeRayleighModelMI_HH
52 #define G4PenelopeRayleighModelMI_HH 1
53
54 #include "globals.hh"
55 #include "G4VEmModel.hh"
56 #include "G4DataVector.hh"
57 #include "G4ParticleChangeForGamma.hh"
58
59 #include "G4ExtendedMaterial.hh"
60 #include "G4MIData.hh"
61
62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
63
64 class G4ParticleDefinition;
65 class G4DynamicParticle;
66 class G4MaterialCutsCouple;
67 class G4Material;
68 class G4PhysicsFreeVector;
69 class G4PenelopeSamplingData;
70
71 class G4PenelopeRayleighModelMI : public G4VEmModel
72 {
73
74 public:
75 explicit G4PenelopeRayleighModelMI(const G4ParticleDefinition* p = nullptr,
76 const G4String& processName = "PenRayleighMI");
77
78 virtual ~G4PenelopeRayleighModelMI();
79
80 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
81 void InitialiseLocal(const G4ParticleDefinition*,
82 G4VEmModel *masterModel) override;
83
84 G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
85 G4double kinEnergy,
86 G4double Z,
87 G4double A = 0,
88 G4double cut = 0,
89 G4double emax = DBL_MAX) override;
90
91 //Overriding of parent's (G4VEmModel) method
92 G4double CrossSectionPerVolume(const G4Material*,
93 const G4ParticleDefinition*,
94 G4double kineticEnergy,
95 G4double cutEnergy = 0.,
96 G4double maxEnergy = DBL_MAX) override;
97
98 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
99 const G4MaterialCutsCouple*,
100 const G4DynamicParticle*,
101 G4double tmin,
102 G4double maxEnergy) override;
103
104 void SetVerbosityLevel(G4int lev) {fVerboseLevel = lev;};
105 G4int GetVerbosityLevel() {return fVerboseLevel;};
106
107 //Testing purposes
108 void DumpFormFactorTable(const G4Material*);
109
110 //Settings
111 void SetMIActive(G4bool val){fIsMIActive = val;};
112 G4bool IsMIActive(){return fIsMIActive;};
113
114 G4PenelopeRayleighModelMI& operator=(const G4PenelopeRayleighModelMI &right) = delete;
115 G4PenelopeRayleighModelMI(const G4PenelopeRayleighModelMI&) = delete;
116
117 private:
118 void SetParticle(const G4ParticleDefinition*);
119
120 //Helper methods
121 void ReadDataFile(G4int);
122 void ClearTables();
123 void BuildFormFactorTable(const G4Material*);
124 void GetPMaxTable(const G4Material*);
125 G4double GetFSquared(const G4Material*,const G4double);
126 void InitializeSamplingAlgorithm(const G4Material*);
127 void ReadMolInterferenceData(const G4String&,const G4String& filename="NULL");
128 G4MIData* GetMIData(const G4Material*);
129 void CalculateThetaAndAngFun();
130 G4double CalculateQSquared(G4double angle, G4double energy);
131 G4double IntegrateFun(G4double y[], G4int n, G4double dTheta);
132 void LoadKnownMIFFMaterials();
133
134 /// Data members
135 G4ParticleChangeForGamma* fParticleChange;
136 const G4ParticleDefinition* fParticle;
137
138 G4DataVector fLogQSquareGrid; //log(Q^2) grid for interpolation
139 std::map<const G4Material*,G4PhysicsFreeVector*> *fLogFormFactorTable; //log(Q^2) vs. log(F^2)
140
141 G4DataVector fLogEnergyGridPMax; //energy grid for PMax (and originally for the x-section)
142 std::map<const G4Material*,G4PhysicsFreeVector*> *fPMaxTable; //E vs. Pmax
143 std::map<const G4Material*,G4PenelopeSamplingData*> *fSamplingTable;
144 //Internal tables and manager methods
145 std::map<G4String,G4PhysicsFreeVector*> *fMolInterferenceData;
146 G4PhysicsFreeVector* fAngularFunction;
147 std::map<G4String,G4String> *fKnownMaterials;
148 static const G4int fMaxZ =99;
149 static G4PhysicsFreeVector* fLogAtomicCrossSection[fMaxZ+1];
150 static G4PhysicsFreeVector* fAtomicFormFactor[fMaxZ+1];
151
152 //Intrinsic energy limits of the model: cannot be extended by the parent process
153 G4double fIntrinsicLowEnergyLimit;
154 G4double fIntrinsicHighEnergyLimit;
155 G4double fDTheta = {0.0001};
156
157 static const G4int fNtheta = 31415;
158 G4int fVerboseLevel;
159 G4bool fIsInitialised;
160 //Used only for G4EmCalculator and Unit Tests
161 G4bool fLocalTable;
162 G4bool fIsMIActive;
163 };
164
165 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
166
167 #endif
168
169