Worth noting that a neutron decays into a proton, an electron, AND an electron anti-neutrino, so that lepton number is conserved (electron is +1 and anti-neutri

Worth noting that a neutron decays into a proton, an electron, AND an electron anti-neutrino, so that lepton number is conserved (electron is +1 and anti-neutrino is -1). This interaction conserves charge and baryon number as well.