Geant4  9.6.p02
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4LivermorePolarizedGammaConversionModel.hh
Go to the documentation of this file.
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 // $Id$
27 //
28 // Authors: G.Depaola & F.Longo
29 //
30 
31 #ifndef G4LivermorePolarizedGammaConversionModel_h
32 #define G4LivermorePolarizedGammaConversionModel_h 1
33 
34 #include "G4VEmModel.hh"
35 #include "G4Electron.hh"
36 #include "G4Positron.hh"
38 #include "G4CrossSectionHandler.hh"
39 #include "G4LogLogInterpolation.hh"
40 #include "G4CompositeEMDataSet.hh"
41 #include "G4ProductionCutsTable.hh"
42 #include "G4ForceCondition.hh"
43 
44 
46 {
47 
48 public:
49 
51  const G4String& nam = "LivermorePolarizedGammaConversion");
52 
54 
55  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
56 
58  const G4ParticleDefinition*,
59  G4double kinEnergy,
60  G4double Z,
61  G4double A=0,
62  G4double cut=0,
63  G4double emax=DBL_MAX);
64 
65  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
66  const G4MaterialCutsCouple*,
67  const G4DynamicParticle*,
68  G4double tmin,
69  G4double maxEnergy);
70 
71 protected:
72 
74 
75  G4double GetMeanFreePath(const G4Track& aTrack,
76  G4double previousStepSize,
78 private:
79 
80  G4double lowEnergyLimit;
81  G4double highEnergyLimit;
82  G4bool isInitialised;
83  G4int verboseLevel;
84 
85  G4VEMDataSet* meanFreePathTable;
86  G4VCrossSectionHandler* crossSectionHandler;
87 
88 
89  // specific methods for polarization
90 
91  G4ThreeVector GetRandomPolarization(G4ThreeVector& direction0); // Random Polarization
92  G4ThreeVector GetPerpendicularPolarization(const G4ThreeVector& direction0, const G4ThreeVector& polarization0) const;
93  G4ThreeVector SetPerpendicularVector(G4ThreeVector& a); // temporary
94  void SystemOfRefChange(G4ThreeVector& direction0, G4ThreeVector& direction1,
95  G4ThreeVector& polarization0);
96 
97  // Gamma Conversion methods
98 
99 
100  G4double SetPhi(G4double);
101  G4double SetPsi(G4double, G4double); //
102 
103  G4double ScreenFunction1(G4double screenVariable);
104  G4double ScreenFunction2(G4double screenVariable);
105  void SetTheta(G4double*, G4double*, G4double);
106 
109 
111 
112  G4double Flor(G4double*, G4double);
113  G4double Glor(G4double*, G4double);
114 
115  G4double Fdlor(G4double*, G4double);
116  G4double Fintlor(G4double*, G4double);
117  G4double Finvlor(G4double*, G4double,G4double);
118 
119  G4double Ftan(G4double*, G4double);
120 
121  //G4double Gtan(G4double*, G4double);
122 
123  G4double Fdtan(G4double*, G4double);
124  G4double Finttan(G4double*, G4double);
125  G4double Finvtan(G4double*, G4double, G4double);
126 
127  G4double smallEnergy;
128  G4double Psi, Phi;
129 
130 
133 
134 };
135 
136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
137 
138 #endif