neutral particle
particle with no electric charge
antineutrino
antiparticle of a neutrino
neutrino
elementary particle with extremely low mass that interacts only via the weak force and gravity
neutron
nucleon (constituent of the nucleus of the atom) that has neutral electric charge (no charge); symbol n
real neutral particle
particle that is its own antiparticle because all of its generalized charges are zero
Xi baryon
subatomic particle
massless quantum particle
quantum particle having zero rest mass (zero invariant or intrinsic mass)