... the same symbols as the normal equivalents, but with a line over the top. A muon is represented by the greek letter mu (µ), whereas its corresponding antiparticle - the antimuon is represented thusly: . It has a charge of +1 (the negative of the charge of a muon) and the same mass - 207 times the mass of an electron. Some of the properties will continue to be documented in the rest of the report, however, for now; I will describe some of the properties of the most commonly occurring antiparticles Specific Types of Antiparticles Figure 1: Positron being released in a cloud chamber Positron The electron is a lepton with a charge of -1 and with a negligible mass when compared to the hadrons. It is often represented as or . However, as a particle, the electron must have a corresponding antiparticle; and it does! It is called the positron and is ...

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