G4Pythia6Decayer.hh

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// $Id: G4Pythia6Decayer.hh,v 1.2 2014/10/07 03:06:54 mccumber Exp $
//
//
#ifndef G4_PYTHIA6_DECAYER_H
#define G4_PYTHIA6_DECAYER_H

#include "EDecayType.hh"
#include "G4Pythia6DecayerMessenger.hh"
#include "Pythia6.hh"

#include <Geant4/G4ThreeVector.hh>  // for G4ThreeVector
#include <Geant4/G4Types.hh>        // for G4int, G4bool
#include <Geant4/G4VExtDecayer.hh>

class G4DecayProducts;
class G4DynamicParticle;
class G4ParticleDefinition;
class G4Track;

namespace CLHEP
{
  class HepLorentzVector;
}


class G4Pythia6Decayer : public G4VExtDecayer
{
 public:
  G4Pythia6Decayer();
  virtual ~G4Pythia6Decayer();

  virtual G4DecayProducts* ImportDecayProducts(const G4Track& track);

  void ForceDecayType(EDecayType decayType);
  void SetVerboseLevel(G4int verboseLevel) { fVerboseLevel = verboseLevel; }

 private:
  G4Pythia6Decayer(const G4Pythia6Decayer& right);
  G4Pythia6Decayer& operator=(const G4Pythia6Decayer& right);

  G4ParticleDefinition*
  GetParticleDefinition(const Pythia6Particle* p, G4bool warn = true) const;
  G4DynamicParticle* CreateDynamicParticle(const Pythia6Particle* p) const;
  G4ThreeVector GetParticlePosition(const Pythia6Particle* particle) const;
  G4ThreeVector GetParticleMomentum(const Pythia6Particle* particle) const;

  G4int CountProducts(G4int channel, G4int particle);
  void ForceParticleDecay(G4int particle, G4int product, G4int mult);
  void ForceParticleDecay(G4int particle,
                          G4int* products, G4int* mult, G4int npart);
  void ForceHadronicD();
  void ForceOmega();
  void ForceDecay(EDecayType decayType);

  void Decay(G4int pdg, const CLHEP::HepLorentzVector& p);
  G4int ImportParticles(ParticleVector* particles);

  static const EDecayType fgkDefaultDecayType;  

  G4Pythia6DecayerMessenger fMessenger;  
  G4int fVerboseLevel;                   
  EDecayType fDecayType;                 
  ParticleVector* fDecayProductsArray;   
};

// ----------------------------------------------------------------------------

#endif