Definition of "kaon" in Englisch

noun

1. (particle physics) any of four unstable subatomic particles, mesons, they are a combination of a strange quark or antiquark and either an up or down quark or antiquark

   • K⁰: strange quark + down antiquark
   • K (antiparticle of K⁰): down quark + strange antiquark
   • K⁺: strange quark + up antiquark
   • K⁻ (antiparticle of K⁺): up quark + strange antiquark