noun
- plural of pion: subatomic particles that mediate the strong nuclear force between protons and neutrons
Usage: physics
Examples
- Pions are unstable particles that decay quickly after being produced.
- The physicist studied how pions interact with atomic nuclei.
- Charged pions have a very short lifespan in particle accelerators.
- Neutral pions decay into gamma rays almost immediately.
- The discovery of pions helped explain nuclear binding forces.
- Cosmic rays produce pions when they collide with atmospheric particles.