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baryonic

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
bar·y·on  (br-n)
n.
Any of a family of subatomic particles, including the nucleon and hyperon multiplets, that participate in strong interactions, are composed of three quarks, and are generally more massive than mesons. Also called heavy particle. See Table at subatomic particle.

[Greek barus, heavy; see gwer-1 in Indo-European roots + -on.]

bary·onic adj.

baryonic [ˌbærɪˈɒnɪk]
adj
(Physics / Atomic Physics) of or relating to a baryon


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There are two unambiguous pieces of evidence for CP- and I-violation: the forbidden decay modes of neutral K and B mesons and the excess of the baryonic matter over antimatter in the present universe.
He notes that dust in the Milky Way absorbs extreme-ultraviolet light and that the X-ray glow from our galaxy overwhelms the faint emissions from the baryonic gas.
Of these, the amount of deuterium provides the most sensitive indicator of a key number in cosmology-the density of ordinary, or baryonic, matter, such as protons and neutrons.
 
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