| 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 /// \file GB05BOptnSplitAndKillByCrossSection.hh
29 /// \brief Definition of the GB05BOptnSplitAndKillByCrossSection class
30
31 #ifndef GB05BOptnSplitAndKillByCrossSection_hh
32 #define GB05BOptnSplitAndKillByCrossSection_hh 1
33
34 #include "G4ParticleChange.hh"
35 #include "G4VBiasingOperation.hh"
36
37 class GB05BOptnSplitAndKillByCrossSection : public G4VBiasingOperation
38 {
39 public:
40 // -- Constructor :
41 GB05BOptnSplitAndKillByCrossSection(G4String name);
42 // -- destructor:
43 virtual ~GB05BOptnSplitAndKillByCrossSection();
44
45 public:
46 // ----------------------------------------------
47 // -- Methods from G4VBiasingOperation interface:
48 // ----------------------------------------------
49 // -- Unused:
50 virtual const G4VBiasingInteractionLaw*
51 ProvideOccurenceBiasingInteractionLaw(const G4BiasingProcessInterface*, G4ForceCondition&) final
52 {
53 return 0;
54 }
55 virtual G4VParticleChange* ApplyFinalStateBiasing(const G4BiasingProcessInterface*,
56 const G4Track*, const G4Step*, G4bool&) final
57 {
58 return 0;
59 }
60
61 // -- Used methods ("non-physics biasing methods"):
62 // ------------------------------------------------
63 // -- Method to return the distance or the condition under which
64 // -- requesting the biasing.
65 // -- Here this distance will be sampled according the exponential
66 // -- interaction law, using the interaction length passed to the
67 // -- method SetInteractionLength(G4double) below.
68 virtual G4double DistanceToApplyOperation(const G4Track*, G4double,
69 G4ForceCondition* condition) final;
70 // -- Method the generate the final state, which is made of the primary
71 // -- with half of its original weight, and a clone of it.
72 virtual G4VParticleChange* GenerateBiasingFinalState(const G4Track*, const G4Step*) final;
73
74 // -- Specific to this example:
75 // ----------------------------
76 void SetInteractionLength(G4double interactionLength)
77 {
78 fInteractionLength = interactionLength;
79 }
80
81 private:
82 G4ParticleChange fParticleChange;
83 G4double fInteractionLength;
84 };
85
86 #endif
87