AhrensDMELPXSec.h

Go to the documentation of this file.

//____________________________________________________________________________
/*!
 
\class    genie::AhrensDMELPXSec
 
\brief    Differential cross section for DM+N elastic scattering. \n
          Is a concrete implementation of the XSecAlgorithmI interface. \n
 
\ref      R.E.Hendrick and L.Li, Phys.Rev.D 19:779 (1979)
          L.A.Ahrens et al., Phys.Rev.D 35:785 (1987)
 
\author   Joshua Berger <jberger \at physics.wisc.edu>
          University of Wisconsin-Madison
 
          Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  September 4, 2017
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
          
*/
//____________________________________________________________________________
 
#ifndef _AHRENS_DMEL_CROSS_SECTION_H_
#define _AHRENS_DMEL_CROSS_SECTION_H_
 
#include "Framework/EventGen/XSecAlgorithmI.h"
 
namespace genie {
 
class XSecIntegratorI;
 
class AhrensDMELPXSec : public XSecAlgorithmI {
 
public:
  AhrensDMELPXSec();
  AhrensDMELPXSec(string config);
  virtual ~AhrensDMELPXSec();
 
  // 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 XSecIntegratorI * fXSecIntegrator;
 
  double fQchiV;
  double fQchiA;
  double fQchiS;
  double fQuV;
  double fQuA;
  double fQdV;
  double fQdA;
  double fQsV;
  double fQsA;
  double fMa2;
  double fMv2;
  double fMp2;
  double fMpi2;
  double fMeta2;
  double fMuP;
  double fMuN;
  double fDelu;
  double fDeld;
  double fDels;
  double fDeluP;
  double fDeldP;
  double fDelsP;
  int    fVelMode;
  double fMedMass;
  double fgZp;
};
 
}       // genie namespace
 
#endif