NucleonDecayPrimaryVtxGenerator.h

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//____________________________________________________________________________
/*!
 
\class    genie::NucleonDecayPrimaryVtxGenerator
 
\brief    Utilities for simulating nucleon decay
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  November 03, 2011
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org        
*/
//____________________________________________________________________________
 
#ifndef _NUCLEON_DECAY_PRIMARY_VTX_GENERATOR_H_
#define _NUCLEON_DECAY_PRIMARY_VTX_GENERATOR_H_
 
#include <TGenPhaseSpace.h>
 
#include "Framework/EventGen/EventRecordVisitorI.h"
#include "Physics/NucleonDecay/NucleonDecayMode.h"
 
namespace genie {
 
class NuclearModelI;
 
class NucleonDecayPrimaryVtxGenerator: public EventRecordVisitorI {
 
public:
  NucleonDecayPrimaryVtxGenerator();
  NucleonDecayPrimaryVtxGenerator(string config);
 ~NucleonDecayPrimaryVtxGenerator();
 
  // implement the EventRecordVisitorI interface
  void ProcessEventRecord (GHepRecord * event) const;
 
  // overload the Algorithm::Configure() methods to load private data
  // members from configuration options
  void Configure(const Registry & config);
  void Configure(string config);
 
private:
 
   void LoadConfig                     (void);
   void AddInitialState                (GHepRecord * event) const;
   void GenerateDecayedNucleonPosition (GHepRecord * event) const;
   void GenerateFermiMomentum          (GHepRecord * event) const;
   void GenerateDecayProducts          (GHepRecord * event) const;
 
   mutable int                fCurrInitStatePdg;
   mutable NucleonDecayMode_t fCurrDecayMode;
   mutable int                fCurrDecayedNucleon;
   mutable bool               fNucleonIsBound;
   mutable TGenPhaseSpace     fPhaseSpaceGenerator;
 
   const NuclearModelI * fNuclModel;
};
 
} // genie namespace
 
#endif // _NUCLEON_DECAY_PRIMARY_VTX_GENERATOR_H_