Class to store reconstructed particles.
ErrCode initMomentum(FitParams &fitparams) const
init momentum of *this and daughters
InternalParticle(Belle2::Particle *particle, const ParticleBase *mother, const ConstraintConfiguration &config, bool forceFitAll)
constructor
base class for all particles
Belle2::Particle * particle() const
get basf2 particle
virtual std::string parname(int index) const
get name of parameter i
std::vector< ParticleBase * > m_daughters
daughter container
const ParticleBase * mother() const
getMother() / hasMother()