decayer6/include/G4Pythia6Decayer.hh

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0027 //
0028 /// \file eventgenerator/pythia/decayer6/include/G4Pythia6Decayer.hh
0029 /// \brief Definition of the G4Pythia6Decayer class
0030 //
0031 #ifndef G4_PYTHIA6_DECAYER_H
0032 #define G4_PYTHIA6_DECAYER_H
0033
0034 #include "EDecayType.hh"
0035 #include "Pythia6.hh"
0036
0037 #include "G4Pythia6DecayerMessenger.hh"
0038 #include "G4VExtDecayer.hh"
0039 #include "globals.hh"
0040
0041 struct Pythia6Particle;
0042 class G4Track;
0043 class G4DecayProducts;
0044
0045 /// Pythia6 decayer
0046 ///
0047 /// Implements the G4VExtDecayer abstract class using the Pythia6 interface.
0048 /// According to TPythia6Decayer class in Root:
0049 /// http://root.cern.ch/
0050 /// see http://root.cern.ch/root/License.html
0051
0052 class G4Pythia6Decayer : public G4VExtDecayer
0053 {
0054   public:
0055     G4Pythia6Decayer();
0056     virtual ~G4Pythia6Decayer();
0057
0058     virtual G4DecayProducts* ImportDecayProducts(const G4Track& track);
0059
0060     void ForceDecayType(EDecayType decayType);
0061     void SetVerboseLevel(G4int verboseLevel) { fVerboseLevel = verboseLevel; }
0062
0063   private:
0064     /// Not implemented
0065     G4Pythia6Decayer(const G4Pythia6Decayer& right);
0066     /// Not implemented
0067     G4Pythia6Decayer& operator=(const G4Pythia6Decayer& right);
0068
0069     G4ParticleDefinition* GetParticleDefinition(const Pythia6Particle* p, G4bool warn = true) const;
0070     G4DynamicParticle* CreateDynamicParticle(const Pythia6Particle* p) const;
0071     G4ThreeVector GetParticlePosition(const Pythia6Particle* particle) const;
0072     G4ThreeVector GetParticleMomentum(const Pythia6Particle* particle) const;
0073
0074     G4int CountProducts(G4int channel, G4int particle);
0075     void ForceParticleDecay(G4int particle, G4int product, G4int mult);
0076     void ForceParticleDecay(G4int particle, G4int* products, G4int* mult, G4int npart);
0077     void ForceHadronicD();
0078     void ForceOmega();
0079     void ForceDecay(EDecayType decayType);
0080
0081     void Decay(G4int pdg, const CLHEP::HepLorentzVector& p);
0082     G4int ImportParticles(ParticleVector* particles);
0083
0084     static const EDecayType fgkDefaultDecayType;  ///< default decay type
0085
0086     G4Pythia6DecayerMessenger fMessenger;  ///< command messenger
0087     G4int fVerboseLevel;  ///< verbose level
0088     EDecayType fDecayType;  ///< selected decay type
0089     ParticleVector* fDecayProductsArray;  ///< array of decay products
0090 };
0091
0092 // ----------------------------------------------------------------------------
0093
0094 #endif