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G4BraggIonModel.hh
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26 // $Id: G4BraggIonModel.hh 96934 2016-05-18 09:10:41Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class header file
31 //
32 //
33 // File name: G4BraggIonModel
34 //
35 // Author: Vladimir Ivanchenko
36 //
37 // Creation date: 13.10.2004
38 //
39 // Modifications:
40 // 09-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
41 // 11-05-05 Major optimisation of internal interfaces (V.Ivantchenko)
42 // 15-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
43 // 25-04-06 Add stopping data from ASTAR (V.Ivanchenko)
44 // 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio,
45 // CorrectionsAlongStep needed for ions(V.Ivanchenko)
46 
47 //
48 // Class Description:
49 //
50 // Implementation of energy loss and delta-electron production
51 // by heavy slow charged particles using ICRU'49 and NIST evaluated data
52 // for He4 ions
53 
54 // -------------------------------------------------------------------
55 //
56 
57 #ifndef G4BraggIonModel_h
58 #define G4BraggIonModel_h 1
59 
61 
62 #include "G4VEmModel.hh"
63 #include "G4ASTARStopping.hh"
64 
66 class G4EmCorrections;
67 
69 {
70 
71 public:
72 
73  explicit G4BraggIonModel(const G4ParticleDefinition* p = nullptr,
74  const G4String& nam = "BraggIon");
75 
76  virtual ~G4BraggIonModel();
77 
78  virtual void Initialise(const G4ParticleDefinition*,
79  const G4DataVector&) override;
80 
82  const G4MaterialCutsCouple* couple) override;
83 
85  const G4ParticleDefinition*,
86  G4double kineticEnergy,
87  G4double cutEnergy,
88  G4double maxEnergy);
89 
91  const G4ParticleDefinition*,
92  G4double kineticEnergy,
94  G4double cutEnergy,
95  G4double maxEnergy) override;
96 
98  const G4ParticleDefinition*,
99  G4double kineticEnergy,
100  G4double cutEnergy,
101  G4double maxEnergy) override;
102 
104  const G4ParticleDefinition*,
105  G4double kineticEnergy,
106  G4double cutEnergy) override;
107 
108  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
109  const G4MaterialCutsCouple*,
110  const G4DynamicParticle*,
111  G4double tmin,
112  G4double maxEnergy) override;
113 
114  // Compute ion charge
116  const G4Material*,
117  G4double kineticEnergy) override;
118 
120  const G4Material* mat,
121  G4double kineticEnergy) override;
122 
123  // add correction to energy loss and ompute non-ionizing energy loss
124  virtual void CorrectionsAlongStep(const G4MaterialCutsCouple*,
125  const G4DynamicParticle*,
126  G4double& eloss,
127  G4double& niel,
128  G4double length) override;
129 
130 protected:
131 
133  G4double kinEnergy) final;
134 
135 private:
136 
137  void SetParticle(const G4ParticleDefinition* p);
138 
139  G4double HeEffChargeSquare(G4double z, G4double kinEnergyInMeV) const;
140 
141  // hide assignment operator
142  G4BraggIonModel & operator=(const G4BraggIonModel &right) = delete;
143  G4BraggIonModel(const G4BraggIonModel&) = delete;
144 
145  G4bool HasMaterial(const G4Material* material);
146 
147  G4double StoppingPower(const G4Material* material,
148  G4double kineticEnergy);
149 
150  G4double ElectronicStoppingPower(G4double z,
151  G4double kineticEnergy) const;
152 
153  G4double DEDX(const G4Material* material, G4double kineticEnergy);
154 
155  G4EmCorrections* corr;
156 
157  const G4ParticleDefinition* particle;
158  G4ParticleDefinition* theElectron;
159  G4ParticleChangeForLoss* fParticleChange;
160 
161  static G4ASTARStopping* fASTAR;
162 
163  const G4Material* currentMaterial;
164 
165  G4double mass;
166  G4double spin;
167  G4double chargeSquare;
168  G4double massRate;
169  G4double ratio;
170  G4double lowestKinEnergy;
171  G4double HeMass;
172  G4double massFactor;
173  G4double corrFactor;
174  G4double rateMassHe2p;
175  G4double theZieglerFactor;
176 
177  G4int iMolecula; // index in the molecula's table
178  G4int iASTAR; // index in ASTAR
179  G4bool isIon;
180 };
181 
182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
183 
184 inline void G4BraggIonModel::SetParticle(const G4ParticleDefinition* p)
185 {
186  particle = p;
187  mass = particle->GetPDGMass();
188  spin = particle->GetPDGSpin();
189  G4double q = particle->GetPDGCharge()/CLHEP::eplus;
190  chargeSquare = q*q;
191  massRate = mass/CLHEP::proton_mass_c2;
192  ratio = CLHEP::electron_mass_c2/mass;
193 }
194 
195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
196 
197 #endif
virtual void CorrectionsAlongStep(const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double &eloss, G4double &niel, G4double length) override
virtual G4double ComputeDEDXPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy) override
static constexpr double proton_mass_c2
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kineticEnergy, G4double Z, G4double A, G4double cutEnergy, G4double maxEnergy) override
const char * p
Definition: xmltok.h:285
virtual G4double GetChargeSquareRatio(const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy) override
virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition *, G4double kinEnergy) final
int G4int
Definition: G4Types.hh:78
static constexpr double electron_mass_c2
string material
Definition: eplot.py:19
virtual G4double GetParticleCharge(const G4ParticleDefinition *p, const G4Material *mat, G4double kineticEnergy) override
double A(double temperature)
bool G4bool
Definition: G4Types.hh:79
virtual G4double CrossSectionPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy) override
static constexpr double eplus
G4BraggIonModel(const G4ParticleDefinition *p=nullptr, const G4String &nam="BraggIon")
G4double GetPDGMass() const
tuple z
Definition: test.py:28
G4double GetPDGSpin() const
double G4double
Definition: G4Types.hh:76
virtual G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy)
virtual ~G4BraggIonModel()
G4double GetPDGCharge() const
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &) override
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
virtual G4double MinEnergyCut(const G4ParticleDefinition *, const G4MaterialCutsCouple *couple) override