Omega meson
The omega meson (
ω
) is a flavourless meson formed from a superposition of an up quark–antiquark and a down quark–antiquark pair. It is part of the vector meson nonet and mediates the nuclear force along with pions and rho mesons.
| Composition | |
|---|---|
| Statistics | Bosonic |
| Family | Mesons |
| Interactions | Strong, weak, electromagnetic, gravity |
| Symbol | ω |
| Antiparticle | Self |
| Theorized | Yoichiro Nambu (1957) |
| Discovered | Lawrence Berkeley National Laboratory (1961) |
| Types | 1 |
| Mass | 782.66±0.13 MeV/c2 |
| Mean lifetime | (7.58±0.11)×10−23 s |
| Decays into | π+ + π0 + π− or π0 + γ |
| Electric charge | 0 e |
| Spin | 1 |
| Isospin | 0 |
| Hypercharge | 0 |
| Parity | −1 |
| C parity | −1 |
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