Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/util/include/G4VHadPhaseSpaceAlgorithm.hh

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 25 //
 26 //
 27 // Abstract base class for multibody uniform phase space generators.
 28 // Subclasses implement a specific algorithm, such as Kopylov, GENBOD,
 29 // or Makoto's NBody.  Subclasses are used by G4HadDecayGenerator.
 30 //
 31 // Author:  Michael Kelsey (SLAC) <kelsey@slac.stanford.edu>
 32 
 33 #ifndef G4VHadPhaseSpaceAlgorithm_HH
 34 #define G4VHadPhaseSpaceAlgorithm_HH 1
 35 
 36 #include "globals.hh"
 37 #include "G4VHadDecayAlgorithm.hh"
 38 #include "G4LorentzVector.hh"
 39 #include "G4ThreeVector.hh"
 40 #include <vector>
 41 #include <iosfwd>
 42 
 43 class G4VHadPhaseSpaceAlgorithm : public G4VHadDecayAlgorithm {
 44 public:
 45   G4VHadPhaseSpaceAlgorithm(const G4String& algName, G4int verbose=0)
 46     : G4VHadDecayAlgorithm(algName, verbose) {;}
 47   virtual ~G4VHadPhaseSpaceAlgorithm() {;}
 48 
 49 protected:
 50   // Multi-body function remains pure-virtual from base class
 51 
 52   // Two-body uniform distribution is common to all algorithms
 53   virtual void GenerateTwoBody(G4double initialMass,
 54              const std::vector<G4double>& masses,
 55              std::vector<G4LorentzVector>& finalState);
 56 
 57   // Sample spherical distribution
 58   G4ThreeVector UniformVector(G4double mag=1.) const;
 59 };
 60 
 61 #endif  /* G4VHadPhaseSpaceAlgorithm_HH */
 62