| Geant4 Cross Reference |
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 //
27 //
28 // Author: A. Forti
29 // Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
30 //
31 // History:
32 // -----------
33 // 02 Mar 1999 A. Forti 1st implementation
34 // 12 Aug 2001 MGP Major revision according to a design iteration
35 // 16 Sept 2001 E. Guardincerri Added fluorescence generation
36 // 31 May 2002 V.Ivanchenko Add cut on Auger electrons
37 // 10 May 2004 P. Rodrigues Changes to accommodate new angular generators
38 //
39 // -------------------------------------------------------------------
40
41 // Class description:
42 // Low Energy Electromagnetic process, Photoelectric effect
43 // Further documentation available from http://www.ge.infn.it/geant4/lowE
44
45 // -------------------------------------------------------------------
46
47 #ifndef G4RDLOWENERGYPHOTOELECTRIC_HH
48 #define G4RDLOWENERGYPHOTOELECTRIC_HH 1
49
50 #include "globals.hh"
51 #include "G4VDiscreteProcess.hh"
52 #include "G4RDAtomicDeexcitation.hh"
53
54 class G4Track;
55 class G4Step;
56 class G4ParticleDefinition;
57 class G4VParticleChange;
58 class G4RDVEMDataSet;
59 class G4RDVCrossSectionHandler;
60 class G4RDVRangeTest;
61 class G4RDVPhotoElectricAngularDistribution;
62
63 class G4LowEnergyPhotoElectric : public G4VDiscreteProcess {
64
65 public:
66
67 G4LowEnergyPhotoElectric(const G4String& processName ="LowEnPhotoElec");
68
69 ~G4LowEnergyPhotoElectric();
70
71 G4bool IsApplicable(const G4ParticleDefinition&);
72
73 void BuildPhysicsTable(const G4ParticleDefinition& photon);
74
75 G4VParticleChange* PostStepDoIt(const G4Track& aTrack, const G4Step& aStep);
76
77 void SetCutForLowEnSecPhotons(G4double);
78
79 void SetCutForLowEnSecElectrons(G4double);
80
81 void ActivateAuger(G4bool);
82
83 void SetAngularGenerator(G4RDVPhotoElectricAngularDistribution* distribution);
84
85 void SetAngularGenerator(const G4String& name);
86
87
88 // For testing purpose only
89 G4double DumpMeanFreePath(const G4Track& aTrack,
90 G4double previousStepSize,
91 G4ForceCondition* condition)
92 { return GetMeanFreePath(aTrack, previousStepSize, condition); }
93
94 protected:
95
96 G4double GetMeanFreePath(const G4Track& aTrack,
97 G4double previousStepSize,
98 G4ForceCondition* condition);
99
100 private:
101
102 // Hide copy constructor and assignment operator as private
103 G4LowEnergyPhotoElectric& operator=(const G4LowEnergyPhotoElectric& right);
104 G4LowEnergyPhotoElectric(const G4LowEnergyPhotoElectric& );
105
106 G4double lowEnergyLimit; // low energy limit applied to the process
107 G4double highEnergyLimit; // high energy limit applied to the process
108
109 G4RDVEMDataSet* meanFreePathTable;
110
111 G4RDVCrossSectionHandler* crossSectionHandler;
112 G4RDVCrossSectionHandler* shellCrossSectionHandler;
113
114 G4RDVRangeTest* rangeTest;
115
116 const G4double intrinsicLowEnergyLimit; // intrinsic validity range
117 const G4double intrinsicHighEnergyLimit;
118
119 G4double cutForLowEnergySecondaryPhotons;
120 G4double cutForLowEnergySecondaryElectrons;
121
122 G4RDAtomicDeexcitation deexcitationManager;
123
124 G4RDVPhotoElectricAngularDistribution* ElectronAngularGenerator;
125 G4String generatorName;
126 };
127
128 #endif
129
130
131
132