Electrically-neutral composite baryon (udd) forming part of most atomic nuclei; charge 0, mass ≈ 1.6749e-27 kg. Beta-decays to a proton + electron + antineutrino with half-life ≈ 879 s when free.
Electrically-neutral composite baryon (udd) forming part of most atomic nuclei; charge 0, mass ≈ 1.6749e-27 kg. Beta-decays to a proton + electron + antineutrino with half-life ≈ 879 s when free.