45 : loopMax(100), parentMass(pMass), mDaughter0(dMass0), mDaughter1(dMass1),
46 mDaughter2(dMass2), pDaughter0(0.), pDaughter1(0.), pDaughter2(0.) {;}
76 energy = rndm2*availableE;
82 energy = (1.-rndm1)*availableE;
88 energy = (rndm1-rndm2)*availableE;
89 pDaughter2 = std::sqrt(energy*energy + 2.0*energy*mDaughter2);
94 }
while ((momentummax > momentumsum - momentummax) && status);
103 std::vector<G4ThreeVector> pVect;
109 G4double sintheta = std::sqrt((1.0-costheta)*(1.0+costheta));
113 G4ThreeVector direction0(sintheta*cosphi, sintheta*sinphi, costheta);
117 G4double sinthetan = std::sqrt((1.0-costhetan)*(1.0+costhetan));
122 direction2.
setX(sinthetan*cosphin*costheta*cosphi -
123 sinthetan*sinphin*sinphi + costhetan*sintheta*cosphi);
124 direction2.
setY(sinthetan*cosphin*costheta*sinphi +
125 sinthetan*sinphin*cosphi + costhetan*sintheta*sinphi);
126 direction2.
setZ(-sinthetan*cosphin*sintheta + costhetan*costheta);
129 pVect.push_back(pDaughter0*direction0);
130 pVect.push_back(-direction0*pDaughter0 - direction2*
pDaughter2);
131 pVect.push_back(pDaughter2*direction2);
135 <<
" or more loops in momentum magnitude calculation " <<
G4endl;
static constexpr double twopi
G4GLOB_DLL std::ostream G4cerr
std::vector< G4ThreeVector > GetThreeBodyMomenta()
G4bool CalculateMomentumMagnitudes()