pi meson
/ˌpaɪ ˈmiːzɑn/
noun
- A subatomic particle (a type of meson) that mediates the strong nuclear force; also called a pion.
- The pi-meson was first discovered in cosmic rays.
- Colliders can produce pi-mesons when protons smash into each other.
- Physicists study the pi-meson to understand how atomic nuclei hold together.
Synonyms