| Geant4 Cross Reference |
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 // G4IonCoulombScatteringModel.hh
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 // File name: G4IonCoulombScatteringModel
32 //
33 // Author: Cristina Consolandi
34 //
35 // Creation date: 05.10.2010 from G4eCoulombScatteringModel
36 // & G4CoulombScatteringModel
37 //
38 //
39 // Class Description:
40 // Single Scattering Model for
41 // for protons, alpha and heavy Ions
42 //
43 // Reference:
44 // M.J. Boschini et al. "Nuclear and Non-Ionizing Energy-Loss
45 // for Coulomb ScatteredParticles from Low Energy up to Relativistic
46 // Regime in Space Radiation Environment"
47 // Accepted for publication in the Proceedings of the ICATPP Conference
48 // on Cosmic Rays for Particle and Astroparticle Physics, Villa Olmo, 7-8
49 // October, 2010, to be published by World Scientific (Singapore).
50 //
51 // Available for downloading at:
52 // http://arxiv.org/abs/1011.4822
53 //
54 // -------------------------------------------------------------------
55 //
56
57 #ifndef G4IonCoulombScatteringModel_h
58 #define G4IonCoulombScatteringModel_h 1
59
60 #include "G4VEmModel.hh"
61 #include "globals.hh"
62 #include "G4NistManager.hh"
63 #include "G4IonCoulombCrossSection.hh"
64
65 #include <vector>
66
67 class G4ParticleChangeForGamma;
68 class G4ParticleDefinition;
69 class G4IonTable;
70
71 class G4IonCoulombScatteringModel : public G4VEmModel
72 {
73 public:
74
75 explicit G4IonCoulombScatteringModel(const G4String& nam =
76 "IonCoulombScattering");
77
78 ~G4IonCoulombScatteringModel() override;
79
80 void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
81
82 G4double ComputeCrossSectionPerAtom(
83 const G4ParticleDefinition*,
84 G4double kinEnergy,
85 G4double Z,
86 G4double A,
87 G4double cut,
88 G4double emax) final;
89
90 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
91 const G4MaterialCutsCouple*,
92 const G4DynamicParticle*,
93 G4double tmin,
94 G4double maxEnergy) final;
95
96
97
98 inline void SetRecoilThreshold(G4double eth);
99
100 inline void SetHeavyIonCorr(G4int b);
101
102 inline G4int GetHeavyIonCorr();
103
104 // hide assignment operator
105 G4IonCoulombScatteringModel & operator=
106 (const G4IonCoulombScatteringModel &right) = delete;
107 G4IonCoulombScatteringModel(const G4IonCoulombScatteringModel&) = delete;
108
109 private:
110
111 inline void DefineMaterial(const G4MaterialCutsCouple*);
112
113 inline void SetupParticle(const G4ParticleDefinition*);
114
115 G4IonTable* theIonTable;
116 G4ParticleChangeForGamma* fParticleChange;
117 G4NistManager* fNistManager;
118 G4IonCoulombCrossSection* ioncross;
119
120 const std::vector<G4double>* pCuts;
121 const G4MaterialCutsCouple* currentCouple;
122 const G4Material* currentMaterial;
123 const G4Element* currentElement;
124 G4int currentMaterialIndex;
125
126 G4int heavycorr;
127
128 G4double cosThetaMin;
129 G4double recoilThreshold;
130
131 // projectile
132 const G4ParticleDefinition* particle;
133 const G4ParticleDefinition* theProton;
134 G4double mass;
135
136 };
137
138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
139
140 inline void
141 G4IonCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup)
142 {
143 if(cup != currentCouple) {
144 currentCouple = cup;
145 currentMaterial = cup->GetMaterial();
146 currentMaterialIndex = currentCouple->GetIndex();
147 }
148 }
149
150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
151
152 inline
153 void G4IonCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p)
154 {
155 if(p != particle) {
156 particle = p;
157 mass = particle->GetPDGMass();
158 ioncross->SetupParticle(p);
159 }
160 }
161
162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
163
164 inline void G4IonCoulombScatteringModel::SetRecoilThreshold(G4double eth)
165 {
166 recoilThreshold = eth;
167 }
168
169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
170
171 inline void G4IonCoulombScatteringModel::SetHeavyIonCorr(G4int b)
172 {
173 heavycorr = b;
174 }
175
176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
177
178 inline G4int G4IonCoulombScatteringModel::GetHeavyIonCorr()
179 {
180 return heavycorr;
181 }
182
183 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184
185 #endif
186