G4GDecay3.hh

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// $Id: $
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// File:    G4GDecay3.hh
// Author:  Dennis Wright (SLAC)
// Date:    19 April 2013
//
// Description: three-body phase space momentum generator based on 
//              GDECA3 of Geant3
//
#ifndef G4GDecay3_h
#define G4GDecay3_h 1

#include "globals.hh"
#include "G4ThreeVector.hh"
#include <vector>


class G4GDecay3 {

  public:
    G4GDecay3() {;}
    G4GDecay3(const G4double& pMass, const G4double& dMass0,
              const G4double& dMass1, const G4double& dMass2);
    ~G4GDecay3() {;}
  
    std::vector<G4ThreeVector> GetThreeBodyMomenta();

  private:
    G4bool CalculateMomentumMagnitudes();

    G4int loopMax;

    G4double parentMass;
    G4double mDaughter0;
    G4double mDaughter1;
    G4double mDaughter2;

    G4double pDaughter0;
    G4double pDaughter1;
    G4double pDaughter2;
};        

#endif