HadronicSystemGenerator.h

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//____________________________________________________________________________
/*!
 
\class    genie::HadronicSystemGenerator
 
\brief    Abstract class. Is used to pass some commonly recurring methods to
          all concrete implementations of the EventRecordVisitorI interface
          generating the hadronic system for a specific processes (QEL,DIS,
          RES,...)
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  July 16, 2005
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org          
*/
//____________________________________________________________________________
 
#ifndef _HADRONIC_SYSTEM_GENERATOR_H_
#define _HADRONIC_SYSTEM_GENERATOR_H_
 
#include <TLorentzVector.h>
#include <TVector3.h>
 
#include "Framework/EventGen/EventRecordVisitorI.h"
 
namespace genie {
 
class HadronicSystemGenerator : public EventRecordVisitorI {
 
public :
 
  // Do not implement the EventRecordVisitorI interface.
  // Leave it for the concrete subclasses
 
 
  // Common methods for all concrete subclasses
 
  void AddTargetNucleusRemnant  (GHepRecord * event_rec) const;
  void AddFinalHadronicSyst     (GHepRecord * event_rec) const;
  void PreHadronTransportDecays (GHepRecord * event_rec) const;
 
  TLorentzVector Hadronic4pLAB       (GHepRecord * event_rec) const;
  TLorentzVector MomentumTransferLAB (GHepRecord * event_rec) const;
  TVector3       HCM2LAB             (GHepRecord * event_rec) const;
  int            HadronShowerCharge  (GHepRecord * event_rec) const;
  int            ResonanceCharge     (GHepRecord * event_rec) const;
 
protected:
 
  // Abstract base class
  HadronicSystemGenerator();
  HadronicSystemGenerator(string name);
  HadronicSystemGenerator(string name, string config);
 ~HadronicSystemGenerator();
 
  const EventRecordVisitorI * fPreINukeDecayer;
};
 
}      // genie namespace
 
#endif // _HADRONIC_SYSTEM_GENERATOR_H_