kappa meson
/ˈkæpə ˈmɛzɑn/
noun
- A subatomic particle (a type of meson) that contains a strange quark and an up or down antiquark, also called a kaon.
- In particle accelerators, scientists can create kappa-mesons by smashing protons together.
- The kappa-meson decays into other particles very quickly.
- Physicists study the kappa-meson to understand the strong nuclear force.
Synonyms