GB05/include/GB05BOptnSplitAndKillByCrossSection.hh

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0025 //
0026 /// \file GB05BOptnSplitAndKillByCrossSection.hh
0027 /// \brief Definition of the GB05BOptnSplitAndKillByCrossSection class
0028
0029 #ifndef GB05BOptnSplitAndKillByCrossSection_hh
0030 #define GB05BOptnSplitAndKillByCrossSection_hh 1
0031
0032 #include "G4ParticleChange.hh"
0033 #include "G4VBiasingOperation.hh"
0034
0035 class GB05BOptnSplitAndKillByCrossSection : public G4VBiasingOperation
0036 {
0037   public:
0038     // -- Constructor :
0039     GB05BOptnSplitAndKillByCrossSection(G4String name);
0040     // -- destructor:
0041     ~GB05BOptnSplitAndKillByCrossSection() override;
0042
0043   public:
0044     // ----------------------------------------------
0045     // -- Methods from G4VBiasingOperation interface:
0046     // ----------------------------------------------
0047     // -- Unused:
0048     const G4VBiasingInteractionLaw*
0049     ProvideOccurenceBiasingInteractionLaw(const G4BiasingProcessInterface*, G4ForceCondition&) final
0050     {
0051       return nullptr;
0052     }
0053     G4VParticleChange* ApplyFinalStateBiasing(const G4BiasingProcessInterface*, const G4Track*,
0054                                               const G4Step*, G4bool&) final
0055     {
0056       return nullptr;
0057     }
0058
0059     // -- Used methods ("non-physics biasing methods"):
0060     // ------------------------------------------------
0061     // -- Method to return the distance or the condition under which
0062     // -- requesting the biasing.
0063     // -- Here this distance will be sampled according the exponential
0064     // -- interaction law, using the interaction length passed to the
0065     // -- method SetInteractionLength(G4double)  below.
0066     G4double DistanceToApplyOperation(const G4Track*, G4double, G4ForceCondition* condition) final;
0067     // -- Method the generate the final state, which is made of the primary
0068     // -- with half of its original weight, and a clone of it.
0069     G4VParticleChange* GenerateBiasingFinalState(const G4Track*, const G4Step*) final;
0070
0071     // -- Specific to this example:
0072     // ----------------------------
0073     void SetInteractionLength(G4double interactionLength)
0074     {
0075       fInteractionLength = interactionLength;
0076     }
0077
0078   private:
0079     G4ParticleChange fParticleChange;
0080     G4double fInteractionLength;
0081 };
0082
0083 #endif