Is There a Third Companion of Lambda and Sigma0?

Abstract

The comparison of magnetic moments of neutron and proton reveals three possible states of a nucleon each composed of quark plus diquark. In this scheme for the quark content uds there should be three baryons with a different structure: ud+s, us+d, ds+u. So one can expect the existence of a third companion to the known baryons Lambda and Sigma0.

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