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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 // GEANT 4 - Underground Dark Matter Detector Advanced Example
29 //
30 // For information related to this code contact: Alex Howard
31 // e-mail: alexander.howard@cern.ch
32 // --------------------------------------------------------------
33 // Comments
34 //
35 // Underground Advanced
36 // by A. Howard and H. Araujo
37 // (27th November 2001)
38 //
39 // ParticleSource header
40 // --------------------------------------------------------------
41 //////////////////////////////////////////////////////////////////////////////
42 // This particle source is a shortened version of G4GeneralParticleSource by
43 // C Ferguson, F Lei & P Truscott (University of Southampton / DERA), with
44 // some minor modifications.
45 //////////////////////////////////////////////////////////////////////////////
46
47 #ifndef DMXParticleSource_h
48 #define DMXParticleSource_h 1
49
50 #include "G4VPrimaryGenerator.hh"
51 #include "G4Navigator.hh"
52 #include "G4ParticleMomentum.hh"
53 #include "G4ParticleDefinition.hh"
54
55 #include "DMXParticleSourceMessenger.hh"
56
57
58 class DMXParticleSource : public G4VPrimaryGenerator {
59
60 public:
61 DMXParticleSource ();
62 ~DMXParticleSource ();
63 void GeneratePrimaryVertex(G4Event *evt);
64
65 public:
66
67 // position distribution
68 void SetPosDisType(G4String);
69 void SetPosDisShape(G4String);
70 void SetCentreCoords(G4ThreeVector);
71 void SetHalfZ(G4double);
72 void SetRadius(G4double);
73 void GeneratePointSource();
74 void GeneratePointsInVolume();
75 G4bool IsSourceConfined();
76 void ConfineSourceToVolume(G4String);
77
78 // angular distribution
79 void SetAngDistType(G4String);
80 void SetParticleMomentumDirection(G4ParticleMomentum);
81 void GenerateIsotropicFlux();
82
83 // energy distribution
84 void SetEnergyDisType(G4String);
85 void SetMonoEnergy(G4double);
86 void GenerateMonoEnergetic();
87 inline G4double GetParticleEnergy() {return particle_energy;}
88
89 // verbosity
90 void SetVerbosity(G4int);
91
92 // particle properties
93 void SetParticleDefinition(G4ParticleDefinition * aParticleDefinition);
94 inline void SetParticleCharge(G4double aCharge)
95 { particle_charge = aCharge; }
96
97 private:
98
99 // position distribution
100 G4String SourcePosType;
101 G4String Shape;
102 G4double halfz;
103 G4double Radius;
104 G4ThreeVector CentreCoords;
105 G4bool Confine;
106 G4String VolName;
107 G4String AngDistType;
108 G4double MinTheta, MaxTheta, MinPhi, MaxPhi;
109 G4double Phi;
110 G4String EnergyDisType;
111 G4double MonoEnergy;
112
113 // particle properties
114 G4int NumberOfParticlesToBeGenerated;
115 G4ParticleDefinition* particle_definition;
116 G4ParticleMomentum particle_momentum_direction;
117 G4double particle_energy;
118 G4double particle_charge;
119 G4ThreeVector particle_position;
120 G4double particle_time;
121 G4ThreeVector particle_polarization;
122
123 // Verbose
124 G4int verbosityLevel;
125
126 private:
127
128 DMXParticleSourceMessenger *theMessenger;
129 G4Navigator *gNavigator;
130
131
132 };
133
134
135 #endif
136
137