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G4ionEffectiveCharge.hh
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 //
32 // File name: G4ionEffectiveCharge
33 //
34 // Author: Vladimir Ivanchenko
35 //
36 // Creation date: 03.07.2004
37 //
38 // Modifications:
39 //
40 //
41 // Class Description:
42 //
43 // This class manages the simulation of effective charge of ions
44 // in the assumption of equilibrium between ion shelss and media.
45 // J.F.Ziegler and J.M.Manoyan, The stopping of ions in compaunds,
46 // Nucl. Inst. & Meth. in Phys. Res. B35 (1988) 215-228.
47 //
48 
49 // -------------------------------------------------------------------
50 //
51 
52 #ifndef G4ionEffectiveCharge_h
53 #define G4ionEffectiveCharge_h 1
54 
55 #include "globals.hh"
56 #include "G4ParticleDefinition.hh"
57 
58 class G4Material;
59 class G4Pow;
60 
62 {
63 
64 public:
65 
66  explicit G4ionEffectiveCharge();
67 
68  virtual ~G4ionEffectiveCharge();
69 
71  const G4ParticleDefinition* p,
72  const G4Material* material,
73  G4double kineticEnergy);
74 
76  const G4Material* material,
77  G4double kineticEnergy);
78 
79 private:
80 
81  // hide assignment operator
84 
87 
91 
94 
100 };
101 
102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
104 
106  const G4ParticleDefinition* p,
107  const G4Material* material,
108  G4double kineticEnergy)
109 {
111  if( kineticEnergy != lastKinEnergy || material != lastMat || p != lastPart) {
112  charge = EffectiveCharge(p,material,kineticEnergy);
113  }
114  charge *= chargeCorrection*inveplus;
115 
116  return charge*charge;
117 }
118 
119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
120 
121 #endif