As nouns the difference between baryon and quasivacuum
is that baryon
is baryon while quasivacuum
is (physics) any state that approximates to a vacuum, especially one free of baryons.
(particle) A heavy subatomic particle created by the binding of quarks by gluons; a hadron containing three quarks. Baryons have half-odd integral spin and are thus fermions. This category includes the common proton and neutron of the atomic nucleus.
* exotic baryon
(physics) Any state that approximates to a vacuum, especially one free of baryons