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1 //
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4hParametrisedLossModel
33 //
34 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
35 //
36 // Creation date: 20 July 2000
37 //
38 // Modifications:
39 // 20/07/2000 V.Ivanchenko First implementation
40 //
41 // Class Description:
42 //
43 // Low energy hadrons/ions ionisation parameterisation
44 // Further documentation available from http://www.ge.infn.it/geant4/lowE/
45
46 // -------------------------------------------------------------------
47 //
48
49 #ifndef G4hParametrisedLossModel_h
50 #define G4hParametrisedLossModel_h 1
51
52 #include "globals.hh"
53 #include "G4VLowEnergyModel.hh"
54 #include "G4VhElectronicStoppingPower.hh"
55
56 class G4DynamicParticle;
57 class G4ParticleDefinition;
58 class G4Material;
59
60 class G4hParametrisedLossModel : public G4VLowEnergyModel
61 {
62 public:
63 explicit G4hParametrisedLossModel(const G4String& name) ;
64
65 ~G4hParametrisedLossModel() ;
66
67 G4double TheValue(const G4DynamicParticle* particle,
68 const G4Material* material) override;
69
70 G4double TheValue(const G4ParticleDefinition* aParticle,
71 const G4Material* material,
72 G4double kineticEnergy) override;
73
74 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle,
75 const G4Material* material) const override;
76
77 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle,
78 const G4Material* material) const override;
79
80 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle) const override;
81
82 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle) const override;
83
84 G4bool IsInCharge(const G4DynamicParticle* particle,
85 const G4Material* material) const override;
86
87 G4bool IsInCharge(const G4ParticleDefinition* aParticle,
88 const G4Material* material) const override;
89
90 G4String ModelName() const {return modelName;};
91
92 G4hParametrisedLossModel(G4hParametrisedLossModel &) = delete;
93 G4hParametrisedLossModel & operator=(const G4hParametrisedLossModel &right) = delete;
94
95 private:
96 void InitializeMe();
97
98 G4double StoppingPower(const G4Material* material,
99 G4double kineticEnergy);
100
101 G4bool MolecIsInZiegler1988(const G4Material* material) ;
102
103 void SetExpStopPower125(G4double value) {expStopPower125 = value;};
104
105 G4double ChemicalFactor(G4double kineticEnergy, G4double eloss125) const;
106
107 // Pointer to the parametrisation class
108 G4VhElectronicStoppingPower* eStopingPowerTable;
109 G4String modelName;
110
111 G4double theZieglerFactor; // Factor to convert the Stopping Power
112 // unit [ev/(10^15 atoms/cm^2]
113 // into the Geant4 dE/dx unit
114 G4double lowEnergyLimit;
115 G4double highEnergyLimit;
116 G4double expStopPower125; // Experimental Stopping power at 125keV
117 };
118
119 #endif
120