- Leptons: Electrons belong to the family of particles known as leptons. They are fundamental particles that do not participate in the strong nuclear force but are subject to the electromagnetic force and weak nuclear force.
- Antimatter: The positron is the antimatter counterpart of the electron. It has the same mass as an electron but a positive charge. The discovery of the positron, predicted by Paul Dirac’s equation, was an important confirmation of the theory of antimatter.
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