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// $Id: G4DNARutherfordTotalCrossSectionPolicy.hh,v 1.3 2006/06/29 19:35:19 gunter Exp $
// GEANT4 tag $Name: geant4-09-00 $

#ifndef   G4DNARUTHERFORDTOTALCROSSSECTIONPOLICY_HH
 #define  G4DNARUTHERFORDTOTALCROSSSECTIONPOLICY_HH 1
 
 #include "globals.hh"
 
 // EnergyLimitsPolicy must provide:
 //  - [public] static const double lowEnergyLimit
 //  - [public] static const double zeroBelowLowEnergyLimit
 //  - [public] static const double highEnergyLimit
 //  - [public] static const double zeroAboveLowEnergyLimit

 template <typename EnergyLimitsPolicy>
 class G4DNARutherfordTotalCrossSectionPolicy
 {
  protected:
                                        G4DNARutherfordTotalCrossSectionPolicy() {}
                                       ~G4DNARutherfordTotalCrossSectionPolicy() {}
 
   const G4ParticleDefinition *         IncomingParticleDefinition(void) const;
   G4double                             TotalCrossSection(G4double k, G4int z) const;
   void                                 BuildTotalCrossSection(void) const {}

  private:
   G4double                             RutherfordTotalCrossSection(G4double k, G4int z) const;
   G4double                             ScreeningFactor(G4double k, G4int z) const;

   // Hides default constructor and assignment operator as private 
                                        G4DNARutherfordTotalCrossSectionPolicy(const G4DNARutherfordTotalCrossSectionPolicy & copy);
   G4DNARutherfordTotalCrossSectionPolicy & operator=(const G4DNARutherfordTotalCrossSectionPolicy & right);
 };
 
 #include "G4DNARutherfordTotalCrossSectionPolicy.icc"
#endif /* G4DNARUTHERFORDTOTALCROSSSECTIONPOLICY_HH */