G4HETCFragment.hh

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//
// by V. Lara
//
// Modified:  
// 20.08.2010 V.Ivanchenko added G4Pow and G4PreCompoundParameters pointers
//                         use int Z and A and cleanup
 
#ifndef G4HETCFragment_h
#define G4HETCFragment_h 1
 
#include "G4VPreCompoundFragment.hh"
#include "Randomize.hh"
 
class G4HETCFragment : public G4VPreCompoundFragment
{
public:  
 
  G4HETCFragment(const G4ParticleDefinition*, G4VCoulombBarrier* p = nullptr);
  
  ~G4HETCFragment() override = default;
 
  G4double CalcEmissionProbability(const G4Fragment& aFragment) override;
 
  G4HETCFragment(const G4HETCFragment &right) = delete;
  const G4HETCFragment& operator = (const G4HETCFragment &right) = delete;  
  G4bool operator==(const G4HETCFragment &right) const = delete;
  G4bool operator!=(const G4HETCFragment &right) const = delete;
 
protected:
 
  virtual G4double K(const G4Fragment& aFragment) const = 0;
  virtual G4double GetSpinFactor() const = 0;
 
  inline G4double BetaRand(G4int N, G4int L) const;
  
private:
 
  // This method performs integration for probability function over 
  // fragment kinetic energy
  G4double IntegrateEmissionProbability(G4double Low, G4double Up, 
                    const G4Fragment&); 
 
  G4double r2norm;
};
 
inline G4double G4HETCFragment::BetaRand(G4int N, G4int L) const
{
  G4double Y1 = G4RandGamma::shoot(N,1);
  G4double Y2 = G4RandGamma::shoot(L,1);
  
  return Y1/(Y1+Y2);
}
 
#endif