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1 //
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4hIonEffChargeSquare
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 // Ion effective charge model
44 // J.F.Ziegler and J.M.Manoyan, The stopping of ions in compaunds,
45 // Nucl. Inst. & Meth. in Phys. Res. B35 (1988) 215-228.
46 // Further documentation available from http://www.ge.infn.it/geant4/lowE
47
48 // -------------------------------------------------------------------
49 //
50
51 #ifndef G4hIonEffChargeSquare_h
52 #define G4hIonEffChargeSquare_h 1
53
54 #include "globals.hh"
55 #include "G4VLowEnergyModel.hh"
56
57 class G4Material;
58 class G4ParticleDefinition;
59 class G4DynamicParticle;
60
61 class G4hIonEffChargeSquare : public G4VLowEnergyModel
62 {
63 public:
64
65 explicit G4hIonEffChargeSquare(const G4String& name) ;
66
67 ~G4hIonEffChargeSquare() ;
68
69 G4double TheValue(const G4DynamicParticle* particle,
70 const G4Material* material) override;
71
72 G4double TheValue(const G4ParticleDefinition* aParticle,
73 const G4Material* material,
74 G4double kineticEnergy) override;
75
76 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle,
77 const G4Material* material) const override;
78
79 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle,
80 const G4Material* material) const override;
81
82 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle) const override;
83
84 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle) const override;
85
86 G4bool IsInCharge(const G4DynamicParticle* particle,
87 const G4Material* material) const override;
88
89 G4bool IsInCharge(const G4ParticleDefinition* aParticle,
90 const G4Material* material) const override;
91
92 private:
93
94 G4double IonEffChargeSquare(const G4Material* material,
95 G4double kineticEnergy,
96 G4double particleMass,
97 G4double ionCharge) const;
98 // This method returns ion effective charge square parametrised
99
100 const G4double theHeMassAMU;
101
102 };
103
104 #endif
105