FermiMomentumTable.h

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//____________________________________________________________________________
/*!

\class    genie::FermiMomentumTable

\brief    A table of Fermi momentum constants

\author   Costas Andreopoulos <constantinos.andreopoulos \at cern.ch>
          University of Liverpool & STFC Rutherford Appleton Laboratory

\created  August 18, 2005

\cpright  Copyright (c) 2003-2020, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
          
*/
//____________________________________________________________________________

#ifndef _FERMI_MOMENTUM_TABLE_H_
#define _FERMI_MOMENTUM_TABLE_H_

#include <map>

using std::map;

namespace genie {

typedef struct EKF_t {
  double p; // Fermi momentum for proton
  double n; // Fermi momentum for neutron
} KF_t;

class FermiMomentumTable
{
public:
  FermiMomentumTable();
  FermiMomentumTable(const FermiMomentumTable & fmt);
  virtual ~FermiMomentumTable();

  double FindClosestKF (int target_pdgc, int nucleon_pdgc) const;
  void   AddTableEntry (int target_pdgc, KF_t kf);

private:
  map<int, KF_t> fKFSets; // the actual Fermi momenta table
};

}      // genie namespace

#endif // _FERMI_MOMENTUM_TABLE_H_