Omega-minus particle

The Omega-minus particle with strangeness number of –2 was found. It was predicted based on the Eightfold Way, a system for classifying particles. Its discovery helped validate the method and deepened understanding of particle physics.
 Murray Gell-Mann United States 1964 Omega-minus particle

The Omega-minus particle with strangeness number of –2 was found. It was predicted based on the Eightfold Way, a system for classifying particles. Its discovery helped validate the method and deepened understanding of particle physics.