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G4BetheBlochModel.hh
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27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 //
32 // File name: G4BetheBlochModel
33 //
34 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 //
36 // Creation date: 03.01.2002
37 //
38 // Modifications:
39 //
40 // Modified by Michel Maire and Vladimir Ivanchenko
41 //
42 // Class Description:
43 //
44 // Implementation of Bethe-Bloch model of energy loss and
45 // delta-electron production by heavy charged particles
46 
47 // -------------------------------------------------------------------
48 //
49 
50 #ifndef G4BetheBlochModel_h
51 #define G4BetheBlochModel_h 1
52 
54 
55 #include "G4VEmModel.hh"
56 #include "G4NistManager.hh"
57 
58 class G4EmCorrections;
61 
63 {
64 
65 public:
66 
67  explicit G4BetheBlochModel(const G4ParticleDefinition* p = nullptr,
68  const G4String& nam = "BetheBloch");
69 
70  virtual ~G4BetheBlochModel();
71 
72  virtual void Initialise(const G4ParticleDefinition*,
73  const G4DataVector&) override;
74 
76  const G4MaterialCutsCouple* couple) override;
77 
79  const G4ParticleDefinition*,
80  G4double kineticEnergy,
81  G4double cutEnergy,
82  G4double maxEnergy);
83 
85  const G4ParticleDefinition*,
86  G4double kineticEnergy,
88  G4double cutEnergy,
89  G4double maxEnergy) override;
90 
92  const G4ParticleDefinition*,
93  G4double kineticEnergy,
94  G4double cutEnergy,
95  G4double maxEnergy) override;
96 
98  const G4ParticleDefinition*,
99  G4double kineticEnergy,
100  G4double cutEnergy) override;
101 
103  const G4Material* mat,
104  G4double kineticEnergy) override;
105 
107  const G4Material* mat,
108  G4double kineticEnergy) override;
109 
110  virtual void CorrectionsAlongStep(const G4MaterialCutsCouple* couple,
111  const G4DynamicParticle* dp,
112  G4double& eloss,
113  G4double&,
114  G4double length) override;
115 
116  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
117  const G4MaterialCutsCouple*,
118  const G4DynamicParticle*,
119  G4double tmin,
120  G4double maxEnergy) override;
121 
122 protected:
123 
125  G4double kinEnergy) override;
126 
127  inline G4double GetChargeSquareRatio() const;
128 
129  inline void SetChargeSquareRatio(G4double val);
130 
131 private:
132 
133  void SetupParameters();
134 
135  inline void SetParticle(const G4ParticleDefinition* p);
136 
137  inline void SetGenericIon(const G4ParticleDefinition* p);
138 
139  // hide assignment operator
141  G4BetheBlochModel(const G4BetheBlochModel&) = delete;
142 
151 
163 
166 };
167 
168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
169 
171 {
172  if(particle != p) {
173  particle = p;
174  if(p->GetBaryonNumber() > 3 || p->GetPDGCharge() > CLHEP::eplus)
175  { isIon = true; }
176  SetupParameters();
177  }
178 }
179 
180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
181 
183 {
184  if(p && p->GetParticleName() == "GenericIon") { isIon = true; }
185 }
186 
187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
188 
190 {
191  return chargeSquare;
192 }
193 
194 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
195 
197 {
198  chargeSquare = val;
199 }
200 
201 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
202 
203 #endif