non-baryonic dark matter

non-baryonic dark matter
dark matter comprised of elementary particles whose composition is as yet unknown, but is presumed to be unlike normal protons, neutrons and electrons etc.

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  • Baryon — Baryons are the family of subatomic particles with a baryon number of 1. The term baryon is usually used to refer to triquarks baryons made of three quarks. Exotic baryons made of four quarks and one antiquark are known as the pentaquarks, but… …   Wikipedia

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