1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // $Id: G4UniversalFluctuation.hh,v 1.10 2009/03/19 14:15:17 vnivanch Exp $ |
---|
27 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
---|
28 | // |
---|
29 | // ------------------------------------------------------------------- |
---|
30 | // |
---|
31 | // GEANT4 Class header file |
---|
32 | // |
---|
33 | // |
---|
34 | // File name: G4UniversalFluctuation |
---|
35 | // |
---|
36 | // Author: Vladimir Ivanchenko |
---|
37 | // |
---|
38 | // Creation date: 03.01.2002 |
---|
39 | // |
---|
40 | // Modifications: |
---|
41 | // |
---|
42 | // 09-12-02 remove warnings (V.Ivanchenko) |
---|
43 | // 28-12-02 add method Dispersion (V.Ivanchenko) |
---|
44 | // 07-02-03 change signature (V.Ivanchenko) |
---|
45 | // 13-02-03 Add name (V.Ivanchenko) |
---|
46 | // 16-10-03 Changed interface to Initialisation (V.Ivanchenko) |
---|
47 | // 07-02-05 define problim = 5.e-3 (mma) |
---|
48 | // |
---|
49 | // Class Description: |
---|
50 | // |
---|
51 | // Implementation of energy loss fluctuations |
---|
52 | |
---|
53 | // ------------------------------------------------------------------- |
---|
54 | // |
---|
55 | |
---|
56 | #ifndef G4UniversalFluctuation_h |
---|
57 | #define G4UniversalFluctuation_h 1 |
---|
58 | |
---|
59 | |
---|
60 | #include "G4VEmFluctuationModel.hh" |
---|
61 | #include "G4ParticleDefinition.hh" |
---|
62 | |
---|
63 | class G4UniversalFluctuation : public G4VEmFluctuationModel |
---|
64 | { |
---|
65 | |
---|
66 | public: |
---|
67 | |
---|
68 | G4UniversalFluctuation(const G4String& nam = "UniFluc"); |
---|
69 | |
---|
70 | virtual ~G4UniversalFluctuation(); |
---|
71 | |
---|
72 | virtual G4double SampleFluctuations(const G4Material*, |
---|
73 | const G4DynamicParticle*, |
---|
74 | G4double&, |
---|
75 | G4double&, |
---|
76 | G4double&); |
---|
77 | |
---|
78 | virtual G4double Dispersion( const G4Material*, |
---|
79 | const G4DynamicParticle*, |
---|
80 | G4double&, |
---|
81 | G4double&); |
---|
82 | |
---|
83 | virtual void InitialiseMe(const G4ParticleDefinition*); |
---|
84 | |
---|
85 | // Initialisation prestep |
---|
86 | virtual void SetParticleAndCharge(const G4ParticleDefinition*, G4double q2); |
---|
87 | |
---|
88 | private: |
---|
89 | |
---|
90 | // hide assignment operator |
---|
91 | G4UniversalFluctuation & operator=(const G4UniversalFluctuation &right); |
---|
92 | G4UniversalFluctuation(const G4UniversalFluctuation&); |
---|
93 | |
---|
94 | const G4ParticleDefinition* particle; |
---|
95 | const G4Material* lastMaterial; |
---|
96 | |
---|
97 | G4double particleMass; |
---|
98 | G4double chargeSquare; |
---|
99 | |
---|
100 | // data members to speed up the fluctuation calculation |
---|
101 | G4double ipotFluct; |
---|
102 | G4double electronDensity; |
---|
103 | |
---|
104 | G4double f1Fluct; |
---|
105 | G4double f2Fluct; |
---|
106 | G4double e1Fluct; |
---|
107 | G4double e2Fluct; |
---|
108 | G4double e1LogFluct; |
---|
109 | G4double e2LogFluct; |
---|
110 | G4double ipotLogFluct; |
---|
111 | G4double e0; |
---|
112 | |
---|
113 | G4double e1,e2; |
---|
114 | |
---|
115 | G4double minNumberInteractionsBohr; |
---|
116 | G4double theBohrBeta2; |
---|
117 | G4double minLoss; |
---|
118 | G4double nmaxCont1; |
---|
119 | G4double nmaxCont2; |
---|
120 | |
---|
121 | }; |
---|
122 | |
---|
123 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
124 | |
---|
125 | #endif |
---|
126 | |
---|