include/Geant4/G4UCNMultiScattering.hh

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0027 //
0028 //
0029 ////////////////////////////////////////////////////////////////////////
0030 // Ultra Cold Neutron (UCN) Multiple Scattering Class Definition
0031 ////////////////////////////////////////////////////////////////////////
0032 //
0033 // File:         G4UCNMultiScattering.hh
0034 // Description:  Discrete Process -- MultiScattering of UCNs
0035 // Version:      1.0
0036 // Created:      2014-05-05
0037 // Author:       Peter Gumplinger
0038 // Adopted from: UCNMultiScattering by Peter Fierlinger 7.9.2004
0039 // Updated:
0040 // mail:         gum@triumf.ca
0041 //
0042 ////////////////////////////////////////////////////////////////////////
0043
0044 #ifndef G4UCNMULTISCATTERING_HH
0045 #define G4UCNMULTISCATTERING_HH 1
0046
0047 /////////////
0048 // Includes
0049 /////////////
0050
0051 #include "G4VDiscreteProcess.hh"
0052
0053 #include "G4Neutron.hh"
0054
0055 // Class Description:
0056 // Discrete Process -- Multiple Scattering of Ultra Cold Neutrons.
0057 // Multiple scatters UCN due to multi-scattering cross section of the material.
0058 // Class inherits publicly from G4VDiscreteProcess.
0059 // Class Description - End:
0060
0061 /////////////////////
0062 // Class Definition
0063 /////////////////////
0064
0065 class G4UCNMultiScattering : public G4VDiscreteProcess
0066 {
0067
0068 public:
0069
0070         ////////////////////////////////
0071         // Constructors and Destructor
0072         ////////////////////////////////
0073
0074         G4UCNMultiScattering(const G4String& processName = "UCNMultiScattering",
0075                                       G4ProcessType type = fUCN);
0076     virtual ~G4UCNMultiScattering();
0077
0078 private:
0079
0080         G4UCNMultiScattering(const G4UCNMultiScattering &right);
0081
0082         //////////////
0083         // Operators
0084         //////////////
0085
0086         G4UCNMultiScattering& operator=(const G4UCNMultiScattering &right);
0087
0088 public:
0089
0090         ////////////
0091         // Methods
0092         ////////////
0093
0094         G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
0095         // Returns true -> 'is applicable' only for an UCN.
0096
0097     G4double GetMeanFreePath(const G4Track& aTrack,
0098                                  G4double ,
0099                                  G4ForceCondition* condition);
0100
0101     G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
0102                                         const G4Step&  aStep);
0103
0104         G4ThreeVector Scatter();
0105
0106 private:
0107
0108 };
0109
0110 ////////////////////
0111 // Inline methods
0112 ////////////////////
0113
0114 inline G4bool
0115 G4UCNMultiScattering::IsApplicable(const G4ParticleDefinition& aParticleType)
0116 {
0117    return ( &aParticleType == G4Neutron::NeutronDefinition() );
0118 }
0119
0120 #endif /* G4UCNMULTISCATTERING_HH */