G4MesonAbsorption.hh

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#ifndef G4MesonAbsorption_hh
#define G4MesonAbsorption_hh

#include <vector>
#include "G4CollisionInitialState.hh"
#include "G4KineticTrack.hh"
#include "G4BCAction.hh"

class G4MesonAbsorption : public G4BCAction
{
  public:
  G4MesonAbsorption(){}
  virtual ~G4MesonAbsorption(){}

  virtual const std::vector<G4CollisionInitialState *> &
         GetCollisions(G4KineticTrack * aProjectile, 
                 std::vector<G4KineticTrack *> & someCandidates,
           G4double aCurrentTime);

  virtual G4KineticTrackVector * 
         GetFinalState(G4KineticTrack * aProjectile, 
                 std::vector<G4KineticTrack *> & theTargets);

  G4CollisionInitialState * GetCollision(G4KineticTrack * projectile, 
                                         std::vector<G4KineticTrack *> targets);

  private:
    G4MesonAbsorption(const G4MesonAbsorption &);
    G4MesonAbsorption & operator= (const G4MesonAbsorption &);

  private:
  G4double GetTimeToAbsorption(const G4KineticTrack& trk1, const G4KineticTrack& trk2);
  
  void FindAndFillCluster(G4KineticTrackVector & result, 
                         G4KineticTrack * aProjectile,
       std::vector<G4KineticTrack *> & someCandidates);
  
  G4double AbsorptionCrossSection(const G4KineticTrack & trk1, const G4KineticTrack & trk2);  
  private:
  std::vector<G4CollisionInitialState *> theCollisions;
    
};

#endif