Geant4_10
G4UniversalFluctuation.hh
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26 // $Id: G4UniversalFluctuation.hh 73339 2013-08-26 06:54:49Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class header file
31 //
32 //
33 // File name: G4UniversalFluctuation
34 //
35 // Author: V.Ivanchenko make a class with the Laszlo Urban model
36 //
37 // Creation date: 03.01.2002
38 //
39 // Modifications:
40 //
41 // 09-12-02 remove warnings (V.Ivanchenko)
42 // 28-12-02 add method Dispersion (V.Ivanchenko)
43 // 07-02-03 change signature (V.Ivanchenko)
44 // 13-02-03 Add name (V.Ivanchenko)
45 // 16-10-03 Changed interface to Initialisation (V.Ivanchenko)
46 // 07-02-05 define problim = 5.e-3 (mma)
47 //
48 // Class Description:
49 //
50 // Implementation of energy loss fluctuations
51 
52 // -------------------------------------------------------------------
53 //
54 
55 #ifndef G4UniversalFluctuation_h
56 #define G4UniversalFluctuation_h 1
57 
58 
59 #include "G4VEmFluctuationModel.hh"
60 #include "G4ParticleDefinition.hh"
61 
62 class G4Pow;
63 
65 {
66 
67 public:
68 
69  G4UniversalFluctuation(const G4String& nam = "UniFluc");
70 
71  virtual ~G4UniversalFluctuation();
72 
74  const G4DynamicParticle*,
75  G4double,
76  G4double,
77  G4double);
78 
79  virtual G4double Dispersion( const G4Material*,
80  const G4DynamicParticle*,
81  G4double,
82  G4double);
83 
84  virtual void InitialiseMe(const G4ParticleDefinition*);
85 
86  // Initialisation prestep
87  virtual void SetParticleAndCharge(const G4ParticleDefinition*, G4double q2);
88 
89 private:
90 
91  // hide assignment operator
94 
95  G4Pow* g4pow;
96 
97  const G4ParticleDefinition* particle;
98  const G4Material* lastMaterial;
99 
100  G4double particleMass;
101  G4double chargeSquare;
102 
103  // data members to speed up the fluctuation calculation
104  G4double ipotFluct;
105  G4double electronDensity;
106 
107  G4double f1Fluct;
108  G4double f2Fluct;
109  G4double e1Fluct;
110  G4double e2Fluct;
111  G4double e1LogFluct;
112  G4double e2LogFluct;
113  G4double ipotLogFluct;
114  G4double e0;
115  G4double esmall;
116 
117  G4double e1,e2;
118 
119  G4double minNumberInteractionsBohr;
120  G4double theBohrBeta2;
121  G4double minLoss;
122  G4double nmaxCont;
123  G4double rate,fw;
124 
125 
126 };
127 
128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
129 
130 #endif
131 
Definition: G4Pow.hh:56
G4UniversalFluctuation(const G4String &nam="UniFluc")
virtual G4double Dispersion(const G4Material *, const G4DynamicParticle *, G4double, G4double)
virtual void SetParticleAndCharge(const G4ParticleDefinition *, G4double q2)
virtual void InitialiseMe(const G4ParticleDefinition *)
virtual G4double SampleFluctuations(const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double, G4double, G4double)
double G4double
Definition: G4Types.hh:76