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25 //
26 //
27 // ------------------------------------------------------------
28 // GEANT 4 class header file
29 //
30 // History: New Implementation
31 //
32 // ---------- G4QAOLowEnergyLoss physics process -------
33 // by Stephane Chauvie, 21 May 2000
34 //
35 // Modified:
36 // 16/09/2000 S. Chauvie Oscillator for all materials
37 // 23/05/2000 MGP Made compliant to design
38 // 01/06/2001 V.Ivanchenko replace names by Z
39 //
40 // Class description:
41 // Quantal Harmonic Oscillator Model for energy loss of low energy antiprotons
42 // Further documentation available from http://www.ge.infn.it/geant4/lowE
43
44 // ------------------------------------------------------------
45
46
47 #ifndef G4QAOLowEnergyLoss_hh
48 #define G4QAOLowEnergyLoss_hh 1
49
50 #include "G4VLowEnergyModel.hh"
51 #include "globals.hh"
52
53 class G4QAOLowEnergyLoss : public G4VLowEnergyModel
54 {
55 public:
56 explicit G4QAOLowEnergyLoss(const G4String& name);
57 ~G4QAOLowEnergyLoss();
58
59 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle,
60 const G4Material* material) const override;
61 // returns the higher limit for model validity
62
63 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle,
64 const G4Material* material) const override;
65 // returns the lower limit for model validity
66
67 G4double HighEnergyLimit(const G4ParticleDefinition* aParticle) const override;
68 // returns the higher limit for model validity
69
70 G4double LowEnergyLimit(const G4ParticleDefinition* aParticle) const override;
71 // returns the lower limit for model validity
72
73 G4bool IsInCharge(const G4DynamicParticle* particle,
74 const G4Material* material) const override;
75 // returns true if the model is applicable at that energy for
76 // that particle for that material
77
78 G4bool IsInCharge(const G4ParticleDefinition* aParticle,
79 const G4Material* material) const override;
80 // returns true if the model is applicable at that energy for
81 // that particle for that material
82
83 G4double TheValue(const G4DynamicParticle* particle,
84 const G4Material* material) override;
85 // returns the energy loss via the quantal harmonic oscillator model
86
87 G4double TheValue(const G4ParticleDefinition* aParticle,
88 const G4Material* material,
89 G4double kineticEnergy) override;
90 // returns the energy loss via the quantal harmonic oscillator model
91
92 private:
93 G4double EnergyLoss(const G4Material* material,
94 G4double kineticEnergy,
95 G4double zParticle) const;
96 // returns the energy loss via the quantal harmonic oscillator model
97
98 // get number of shell, energy and oscillator strengths for material
99 G4int GetNumberOfShell(const G4Material* material) const;
100
101 G4double GetShellEnergy(const G4Material* material,G4int nbOfTheShell) const;
102 G4double GetOscillatorEnergy(const G4Material* material,G4int nbOfTheShell) const;
103 G4double GetShellStrength(const G4Material* material,G4int nbOfTheShell) const;
104 G4double GetOccupationNumber(G4int Z, G4int ShellNb) const;
105
106 // calculate stopping number for L's term
107 G4double GetL0(G4double normEnergy) const;
108 // terms in Z^2
109 G4double GetL1(G4double normEnergy) const;
110 // terms in Z^3
111 G4double GetL2(G4double normEnergy) const;
112 // terms in Z^4
113
114 // number, energy and oscillator strengths
115 // for an harmonic oscillator model of material
116 static const G4int nbofShellForMaterial[6];
117 static const G4double alShellEnergy[3];
118 static const G4double alShellStrength[3];
119 static const G4double siShellEnergy[3];
120 static const G4double siShellStrength[3];
121 static const G4double cuShellEnergy[4];
122 static const G4double cuShellStrength[4];
123 static const G4double taShellEnergy[6];
124 static const G4double taShellStrength[6];
125 static const G4double auShellEnergy[6];
126 static const G4double auShellStrength[6];
127 static const G4double ptShellEnergy[6];
128 static const G4double ptShellStrength[6];
129 // variable for calculation of stopping number of L's term
130 static const G4double L0[67][2];
131 static const G4double L1[22][2];
132 static const G4double L2[14][2];
133 static const G4int nbOfElectronPerSubShell[1540];
134 static const G4int fNumberOfShells[101];
135
136 // Z of element at now avaliable for the model
137 static const G4int materialAvailable[6];
138
139 G4int numberOfMaterials;
140 G4int sizeL0;
141 G4int sizeL1;
142 G4int sizeL2;
143
144 };
145
146 #endif
147