| Charge | Mass | Spin |
| - (Anti particle is +) | 105.659 | .5 |
Qualities
| X | Lepton (Length-like) | Meson (Area-like) | |
| Baryon (Volume-like) | Boson (Integer spin) | ||
| X | Fermion (Non-integer spin) | Hadron (Strong interactions) | |
| Hyperon (Non-zero strangeness) | Nucleon (Proton & neutron) |
Decay Products
| Decay Time | Decay Products | momentum |
| 2.197x10^-6 | 99.9% electron- & 2 neutrinos | 53 |
Notes
| In 1936, while searching for the pi meson postulated by Hideki Yukawa (1907-1981), Carl Anderson, (1905-) who had earlier discovered the positron, discovered the mu meson. The mu meson is, effectively, a heavy electron rather than a meson. On the Particle Chart, a mu meson, neutrino pair has the same "dimensions" as a charged pi meson. |
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