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// by V. Lara

#ifndef G4HETCProton_h
#define G4HETCProton_h 1

#include "G4HETCChargedFragment.hh"
#include "G4ReactionProduct.hh"
#include "G4Proton.hh"
#include "G4PreCompoundParameters.hh"
#include "Randomize.hh"

#include "G4ProtonCoulombBarrier.hh"


class G4HETCProton : public G4HETCChargedFragment
{
public:
  // default constructor
  G4HETCProton():G4HETCChargedFragment(1,1,&theProtonCoulombBarrier,"Proton") {}
  
  // copy constructor
  G4HETCProton(const G4HETCProton &right): G4HETCChargedFragment(right) {}

  // destructor
  ~G4HETCProton() {};
  
  // operators  
  const G4HETCProton & operator=(const G4HETCProton &right) 
  {
    if (&right != this) this->G4HETCChargedFragment::operator=(right);
    return *this;
  }

  G4bool operator==(const G4HETCProton &right) const
  { 
    return G4HETCChargedFragment::operator==(right);
  }

  
  G4bool operator!=(const G4HETCProton &right) const
  { 
    return G4HETCChargedFragment::operator!=(right);
  }


  G4ReactionProduct * GetReactionProduct() const
  {
    G4ReactionProduct * theReactionProduct = 
      new G4ReactionProduct(G4Proton::ProtonDefinition());
    theReactionProduct->SetMomentum(GetMomentum().vect());
    theReactionProduct->SetTotalEnergy(GetMomentum().e());
#ifdef PRECOMPOUND_TEST
    theReactionProduct->SetCreatorModel("G4PrecompoundModel");
#endif
    return theReactionProduct;
  }
  
private:
  virtual G4double GetAlpha()
  {
    G4double aZ = static_cast<G4double>(GetRestZ());
    G4double C = 0.0;
    if (aZ >= 70) 
      {
	C = 0.10;
      } 
    else 
      {
	C = ((((0.15417e-06*aZ) - 0.29875e-04)*aZ + 0.21071e-02)*aZ - 0.66612e-01)*aZ + 0.98375;
      }
    return 1.0 + C;
  }
  
  virtual G4double GetBeta()
  {
    return -GetCoulombBarrier();
  }
  
  virtual G4double GetSpinFactor()
  {
    // 2s+1
    return 2.0;
  }

  virtual G4double K(const G4Fragment & aFragment);

private:

  G4ProtonCoulombBarrier theProtonCoulombBarrier;

};

#endif