PetersonFragm.h

Go to the documentation of this file.

//____________________________________________________________________________
/*!
 
\class    genie::PetersonFragm
 
\brief    The Peterson fragmentation function.
          Is a concrete implementation of the FragmentationFunctionI interface.
 
\ref      C.Peterson et al., Phys.Rev.D23, 56 (1981)
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  June 15, 2004
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _PETERSON_FRAGM_H_
#define _PETERSON_FRAGM_H_
 
#include <TF1.h>
 
#include "Framework/Interaction/Interaction.h"
#include "Physics/Hadronization/FragmentationFunctionI.h"
 
namespace genie {
 
class PetersonFragm : public FragmentationFunctionI {
 
public:
  PetersonFragm();
  PetersonFragm(string config);
  ~PetersonFragm();
 
  //! implement the FragmentationFunctionI interface
  double Value     (double z) const;
  double GenerateZ (void)     const;
 
  //! methods overloading the Algorithm() interface implementation
  //! to build the fragmentation function from configuration data
  void Configure(const Registry & config);
  void Configure(string config);
 
private:
  void BuildFunction (void);
  TF1 * fFunc;
};
 
}      // genie namespace
 
#endif // _PETERSON_FRAGM_H_