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//
//---------------------------------------------------------------------------
//
// ClassName:   G4ChargeExchangePhysics
//
// Author: 19 November 2008 V. Ivanchenko
//
// Modified:
//
//----------------------------------------------------------------------------
//

#ifndef G4CHARGEEXCHANGEPHYSICS_HH
#define G4CHARGEEXCHANGEPHYSICS_HH

#include "globals.hh"
#include "G4VPhysicsConstructor.hh"

class G4ChargeExchangeMessenger;

class G4ChargeExchangePhysics : public G4VPhysicsConstructor
{
public: 
  explicit G4ChargeExchangePhysics(G4int ver = 1);
  ~G4ChargeExchangePhysics() override;

  void ConstructParticle() override;
 
  void ConstructProcess() override;

  void SetLowEnergyLimit(G4double val) { fLowEnergyLimit = val; }

  void SetPionCrossSectionFactor(G4double val) { fXSFactorPi = val; }

  void SetKaonCrossSectionFactor(G4double val) { fXSFactorK = val; }
  
  G4ChargeExchangePhysics& operator=
  (const G4ChargeExchangePhysics& right) = delete;
  G4ChargeExchangePhysics(const G4ChargeExchangePhysics&) = delete;

private:

  G4ChargeExchangeMessenger* theMessenger;
  
  G4double fLowEnergyLimit;
  G4double fXSFactorPi{1.0};
  G4double fXSFactorK{1.0};
};

#endif






