Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/inclxx/incl_physics/include/G4INCLReflectionChannel.hh

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 25 //
 26 // INCL++ intra-nuclear cascade model
 27 // Alain Boudard, CEA-Saclay, France
 28 // Joseph Cugnon, University of Liege, Belgium
 29 // Jean-Christophe David, CEA-Saclay, France
 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
 31 // Sylvie Leray, CEA-Saclay, France
 32 // Davide Mancusi, CEA-Saclay, France
 33 //
 34 #define INCLXX_IN_GEANT4_MODE 1
 35 
 36 #include "globals.hh"
 37 
 38 #include "G4INCLParticle.hh"
 39 #include "G4INCLIChannel.hh"
 40 #include "G4INCLNucleus.hh"
 41 #include "G4INCLAllocationPool.hh"
 42 
 43 #ifndef REFLECTIONCHANNEL_HH_
 44 #define REFLECTIONCHANNEL_HH_
 45 namespace G4INCL {
 46   class FinalState;
 47 
 48   class ReflectionChannel : public IChannel {
 49   public:
 50     ReflectionChannel(Nucleus *n, Particle *p);
 51     virtual ~ReflectionChannel();
 52 
 53     void fillFinalState(FinalState *fs);
 54 
 55   private:
 56     /** \brief Sine^2 of the smallest acceptable reflection angle / 4
 57      *
 58      * Particles impinging almost tangentially on the surface generate a large
 59      * number of reflections. If the impinging angle is larger than a certain
 60      * limit, we move the particle a bit towards the inside of the nucleus.
 61      * The limit angle is arbitrarily chosen to correspond to 100 reflections
 62      * per orbit. The position scaling factor is given by the
 63      * positionScalingFactor member.
 64      */
 65     static const G4double sinMinReflectionAngleSquaredOverFour;
 66     /// \brief Scaling factor for excessively tangential reflection
 67     static const G4double positionScalingFactor;
 68     Nucleus *theNucleus;
 69     Particle *theParticle;
 70 
 71     INCL_DECLARE_ALLOCATION_POOL(ReflectionChannel)
 72   };
 73 }
 74 #endif //REFLECTIONCHANNEL_HH_
 75