ChargeExchangeMC/include/CexmcPhaseSpaceGenerator.hh

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0025 //
0026 /*
0027  * =============================================================================
0028  *
0029  *       Filename:  CexmcPhaseSpaceGenerator.hh
0030  *
0031  *    Description:  phase space generator interface
0032  *
0033  *        Version:  1.0
0034  *        Created:  08.09.2010 13:42:15
0035  *       Revision:  none
0036  *       Compiler:  gcc
0037  *
0038  *         Author:  Alexey Radkov (),
0039  *        Company:  PNPI
0040  *
0041  * =============================================================================
0042  */
0043
0044 #ifndef CEXMC_PHASE_SPACE_GENERATOR_HH
0045 #define CEXMC_PHASE_SPACE_GENERATOR_HH
0046
0047 #include <vector>
0048 #include <G4Types.hh>
0049 #include <G4LorentzVector.hh>
0050
0051
0052 struct  CexmcPhaseSpaceOutVectorElement
0053 {
0054     CexmcPhaseSpaceOutVectorElement( G4LorentzVector *  lVec_,
0055                                      G4double  mass_ ) :
0056         lVec( lVec_ ), mass( mass_ )
0057     {}
0058
0059     G4LorentzVector *  lVec;
0060
0061     G4double           mass;
0062 };
0063
0064
0065 typedef std::vector< const G4LorentzVector * >  CexmcPhaseSpaceInVector;
0066
0067 typedef std::vector< CexmcPhaseSpaceOutVectorElement >
0068                                                 CexmcPhaseSpaceOutVector;
0069
0070
0071 class  CexmcPhaseSpaceGenerator
0072 {
0073     public:
0074         CexmcPhaseSpaceGenerator();
0075
0076         virtual ~CexmcPhaseSpaceGenerator();
0077
0078     public:
0079         virtual G4bool    CheckKinematics( void );
0080
0081         virtual G4double  Generate( void ) = 0;
0082
0083     public:
0084         void  SetParticles( const CexmcPhaseSpaceInVector &  inVec_,
0085                             const CexmcPhaseSpaceOutVector &  outVec_ );
0086
0087         void  SetFermiEnergyDependence( G4bool  on = true );
0088
0089     protected:
0090         virtual void    ParticleChangeHook( void );
0091
0092         virtual void    FermiEnergyDepStatusChangeHook( void );
0093
0094     protected:
0095         CexmcPhaseSpaceInVector   inVec;
0096
0097         CexmcPhaseSpaceOutVector  outVec;
0098
0099         G4bool                    fermiEnergyDepIsOn;
0100
0101         G4double                  totalEnergy;
0102
0103         G4double                  totalMass;
0104 };
0105
0106
0107 #endif
0108