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physical object > natural object > particle > elementary particle > hadron > baryon > hyperon > delta
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delta comparison table
Subject is a kind of is an instance of has definition
hyperonradioactive particle Baryons heavier than the neutron (this term is seldom used today). They have non-zero strangeness. Free hyperons are unstable and decay into end products, one of which is a proton.
delta hyperonShort-lived baryon.

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