AivazisCharmPXSecLO.h

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//____________________________________________________________________________
/*!
 
\class    genie::AivazisCharmPXSecLO
 
\brief    Computes, at Leading Order (LO), the differential cross section for
          neutrino charm production using the \b Aivazis,Olness,Tung model.
          Is a concrete implementation of the XSecAlgorithmI interface.
 
\ref      M.A.G.Aivazis, F.I.Olness and W.K.Tung
          Phys.Rev.D50, 3085-3101 (1994)
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  June 10, 2004
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _AIVAZIS_CHARM_PARTIAL_XSEC_LO_H_
#define _AIVAZIS_CHARM_PARTIAL_XSEC_LO_H_
 
#include "Framework/EventGen/XSecAlgorithmI.h"
 
namespace genie {
 
class PDFModelI;
class XSecIntegratorI;
 
class AivazisCharmPXSecLO : public XSecAlgorithmI {
 
public:
  AivazisCharmPXSecLO();
  AivazisCharmPXSecLO(string config);
  virtual ~AivazisCharmPXSecLO();
 
  //-- XSecAlgorithmI interface implementation
  double XSec            (const Interaction * i, KinePhaseSpace_t k) const;
  double Integral        (const Interaction * i) const;
  bool   ValidProcess    (const Interaction * i) const;
 
  //-- override the Algorithm::Configure methods to load configuration
  //   data to private data members
  void Configure (const Registry & config);
  void Configure (string param_set);
 
private:
 
  void LoadConfig(void);
 
  const PDFModelI *       fPDFModel;
  const XSecIntegratorI * fXSecIntegrator;
 
  //bool   fDContributes;
  //bool   fSContributes;
  double fMc;
  double fVcd;
  double fVcs;
  double fMc2;
  double fVcd2;
  double fVcs2;
};
 
}       // genie namespace
#endif  // _AIVAZIS_CHARM_PARTIAL_XSEC_LO_H_