G4ChipsKaonZeroElasticXS.hh

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// GEANT4 physics class: G4ChipsKaonZeroElasticXS -- header file
// Created: M.V. Kossov, CERN/ITEP(Moscow), 20-Dec-01
// The last update: M.V. Kossov, CERN/ITEP (Moscow) 17-May-02
//
// ****************************************************************************************
// Short description: Cross-sections extracted (by W.Pokorski) from the CHIPS package for 
// K(zero)-nuclear  interactions. Original author: M. Kossov
// -------------------------------------------------------------------------------------
//

#ifndef G4ChipsKaonZeroElasticXS_h
#define G4ChipsKaonZeroElasticXS_h 1

#include "G4ParticleTable.hh"
#include "G4NucleiProperties.hh"
#include <vector>
#include "G4VCrossSectionDataSet.hh"
#include "G4ChipsKaonPlusElasticXS.hh"
#include "G4ChipsKaonMinusElasticXS.hh"

class G4ChipsKaonZeroElasticXS : public G4VCrossSectionDataSet
{


public:

  G4ChipsKaonZeroElasticXS();

  ~G4ChipsKaonZeroElasticXS();

  static const char* Default_Name() {return "ChipsKaonZeroElasticXS";}

  virtual void CrossSectionDescription(std::ostream&) const;
  
  virtual G4bool IsIsoApplicable(const G4DynamicParticle* Pt, G4int Z, G4int A,    
         const G4Element* elm,
         const G4Material* mat );

  // At present momentum (pMom) in MeV/c, CS in mb (@@ Units)
  virtual G4double GetIsoCrossSection(const G4DynamicParticle*, G4int tgZ, G4int A,  
              const G4Isotope* iso = 0,
              const G4Element* elm = 0,
              const G4Material* mat = 0);

  G4double GetChipsCrossSection(G4double momentum, G4int Z, G4int N, G4int pdg);  

// Body
private:
  G4ChipsKaonMinusElasticXS* theKMinusCS; // K- cross-section
  G4ChipsKaonPlusElasticXS* theKPlusCS;  // K+ cross-section

  G4double* lastLEN; // Pointer to the last array of LowEnergy cross sections
  G4double* lastHEN; // Pointer to the last array of HighEnergy cross sections
  G4int     lastN;   // The last N of calculated nucleus
  G4int     lastZ;   // The last Z of calculated nucleus
  G4double  lastP;   // Last used in the cross section Momentum
  G4double  lastTH;  // Last value of the Momentum Threshold
  G4double  lastCS;  // Last value of the Cross Section
  G4int     lastI;   // The last position in the DAMDB

};

#endif