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// $Id: G4Fissioner.hh,v 1.12 2010/05/21 17:56:34 mkelsey Exp $
// GEANT4 tag: $Name: geant4-09-04-beta-cand-01 $
//
// 20100315  M. Kelsey -- Remove "using" directive and unnecessary #includes.
// 20100413  M. Kelsey -- Pass G4CollisionOutput by ref to ::collide()
// 20100517  M. Kelsey -- Inherit from common base class

#ifndef G4FISSIONER_HH
#define G4FISSIONER_HH

#include "G4VCascadeCollider.hh"
#include <vector>

class G4CollisionOutput;
class G4InuclParticle;


class G4Fissioner : public G4VCascadeCollider {
public:
  G4Fissioner();
  virtual ~G4Fissioner() {}

  void collide(G4InuclParticle* bullet, G4InuclParticle* target,
	       G4CollisionOutput& output);

private: 
  G4double getC2(G4double A1, 
		 G4double A2, 
		 G4double X3, 
		 G4double X4, 
		 G4double R12) const; 

  G4double getZopt(G4double A1, 
		   G4double A2, 
		   G4double ZT, 
                   G4double X3, 
		   G4double X4, 
		   G4double R12) const;
		    
  void potentialMinimization(G4double& VP, 
			     std::vector<G4double>& ED, 
			     G4double& VC,
			     G4double AF, 
			     G4double AS, 
			     G4double ZF, 
			     G4double ZS,
			     std::vector<G4double>& AL1, 
			     std::vector<G4double>& BET1, 
			     G4double& R12) const; 
};        

#endif /* G4FISSIONER_HH */
