G4VCrossSectionSource.hh

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#ifndef G4VCrossSectionSource_h
#define G4VCrossSectionSource_h

#include "globals.hh"
#include "G4HadronicException.hh"
#include "G4CrossSectionVector.hh"

class G4ParticleDefinition;
class G4KineticTrack;

class G4VCrossSectionSource 
{

public:

  // Constructors
  G4VCrossSectionSource();

  virtual ~G4VCrossSectionSource();

  G4bool operator==(const G4VCrossSectionSource &right) const;
  G4bool operator!=(const G4VCrossSectionSource &right) const;
  //  G4bool operator<(const G4VCrossSectionSource &right) const;

  virtual G4double CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const = 0;
 
  virtual const G4CrossSectionVector* GetComponents() const = 0;
  
  virtual G4String Name() const = 0;

  virtual void Print() const;
  virtual void PrintAll(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const;

  virtual G4bool IsValid(G4double e) const;

  virtual G4double HighLimit() const;
  virtual G4double LowLimit() const;

protected:

  G4bool InLimits(G4double e, G4double eLow, G4double eHigh) const;

  // Determine lighter particle
  const G4ParticleDefinition* FindLightParticle(const G4KineticTrack& trk1, 
            const G4KineticTrack& trk2) const;

  // Parameterisation
  G4double FcrossX(G4double e, G4double e0, G4double sigma, 
                   G4double eParam, G4double power) const;

  const G4ParticleDefinition * FindKeyParticle(const G4KineticTrack& trk1,const G4KineticTrack& trk2) const;
  
private:  

  G4VCrossSectionSource(const G4VCrossSectionSource &right);
  G4VCrossSectionSource& operator=(const G4VCrossSectionSource &right);
  
};

#endif