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physical object > natural object > particle > boson > Bose-Einstein nucleus > 4N nucleus > alpha-particle
Up4N nucleus

alpha-particle comparison table
Subject is a kind of is an instance of has definition
4N nucleusBose-Einstein nucleus Nuclei possessing equal and even numbers of neutrons and protons. 4N nuclei are formed in supernova envelopes at temperatures of at least 2 × 109 K and are very stable.
alpha-particle 4N nucleusParticle first discovered in radioactive α decay, and later identified as helium nuclei (two protons and two neutrons bound together).

Up4N nucleus