1.kappa-meson - an unstable meson produced as the result of a high-energy particle collisionK particle, kaon, k-mesonmeson, mesotron - an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
kappa-meson
noun
Synonyms for kappa-meson
noun an unstable meson produced as the result of a high-energy particle collision