| Rest mass | Energy | Charge | Reference |
Free moving electron or positron | 9.10938188E−31 kg | 0.511 MeV | ±1 = 1.602176462E−19 C | [21] |
Electromagnetically stressed positron 1 in the neutron 2 in the proton | 2.049610923E−30 kg | 1.1497473 MeV | +2/3 = 1.068117641E−19 C | [22] |
Electromagnetically stressed electron 2 in the neutron 1 in the proton | 8.198443693E−30 kg | 4.59899 MeV | −1/3 = 5.340588207E−20 C | [22] |