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G4eSingleCoulombScatteringModel.hh
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25 //
26 // G4eSingleCoulombScatteringModel.hh
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 // File name: G4eSingleCoulombScatteringModel
32 //
33 // Author: Cristina Consolandi
34 //
35 // Creation date: 20.10.2011
36 //
37 // Class Description:
38 // Single Scattering model for electron-nuclei interaction.
39 // Suitable for high energy electrons and low scattering angles.
40 //
41 // Reference:
42 // M.J. Boschini et al.
43 // "Non Ionizing Energy Loss induced by Electrons in the Space Environment"
44 // Proc. of the 13th International Conference on Particle Physics and Advanced Technology
45 // (13th ICPPAT, Como 3-7/10/2011), World Scientific (Singapore).
46 // Available at: http://arxiv.org/abs/1111.4042v4
47 //
48 //
49 // -------------------------------------------------------------------
50 //
51 
52 #ifndef G4eSingleCoulombScatteringModel_h
53 #define G4eSingleCoulombScatteringModel_h 1
54 
55 #include "G4VEmModel.hh"
56 #include "globals.hh"
58 
59 #include <vector>
60 
63 class G4IonTable;
64 class G4Nistmanager;
65 
67 {
68 
69 public:
70 
71  explicit G4eSingleCoulombScatteringModel(const G4String& nam = "eSingleCoulombScat");
72 
74 
75  virtual void Initialise(const G4ParticleDefinition*,
76  const G4DataVector&) final;
77 
78  virtual void InitialiseLocal(const G4ParticleDefinition*,
79  G4VEmModel* masterModel) final;
80 
82  const G4ParticleDefinition*,
83  G4double kinEnergy,
84  G4double Z,
85  G4double A,
86  G4double cut,
87  G4double emax) final;
88 
89  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
90  const G4MaterialCutsCouple*,
91  const G4DynamicParticle*,
92  G4double tmin,
93  G4double maxEnergy) final;
94 
95  inline void SetRecoilThreshold(G4double eth);
96 
97  //protected:
98 private:
99 
100  inline void DefineMaterial(const G4MaterialCutsCouple*);
101  inline void SetupParticle(const G4ParticleDefinition*);
102 
103  // hide assignment operator
105  (const G4eSingleCoulombScatteringModel &right) = delete;
107 
108  G4IonTable* theIonTable;
109  G4ParticleChangeForGamma* fParticleChange;
110  G4NistManager* fNistManager;
111  G4ScreeningMottCrossSection* Mottcross;
112 
113  const std::vector<G4double>* pCuts;
114  const G4MaterialCutsCouple* currentCouple;
115  const G4Material* currentMaterial;
116  const G4Element* currentElement;
117  G4int currentMaterialIndex;
118 
119  G4double cosThetaMin;
120  G4double recoilThreshold;
121  G4int FormFactor;
122 
123  // projectile
124  const G4ParticleDefinition* particle;
125  G4double mass;
126  G4double lowEnergyLimit;
127 
128 };
129 
130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
131 
132 inline void
133 G4eSingleCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup)
134 {
135  if(cup != currentCouple) {
136  currentCouple = cup;
137  currentMaterial = cup->GetMaterial();
138  currentMaterialIndex = currentCouple->GetIndex();
139  }
140 }
141 
142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
143 
144 inline void
145 G4eSingleCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p)
146 {
147  if(p != particle) {
148  particle = p;
149  mass = particle->GetPDGMass();
150  Mottcross->SetupParticle(p);
151  }
152 }
153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
154 
156 {
157  recoilThreshold = eth;
158 }
159 
160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
161 
162 #endif
virtual void InitialiseLocal(const G4ParticleDefinition *, G4VEmModel *masterModel) final
const char * p
Definition: xmltok.h:285
void SetupParticle(const G4ParticleDefinition *)
int G4int
Definition: G4Types.hh:78
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &) final
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A, G4double cut, G4double emax) final
double A(double temperature)
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) final
static const G4double emax
G4double GetPDGMass() const
G4eSingleCoulombScatteringModel(const G4String &nam="eSingleCoulombScat")
double G4double
Definition: G4Types.hh:76
const G4Material * GetMaterial() const