Share
Blog
Print
Email
BookmarkQuarks are one of the two basic constituents of matter in the Standard Model of particle physics.
See also:
(The others are leptons.) Antiparticles of quarks are called antiquarks.
Quarks and antiquarks are the only fundamental particles that interact through all four of the fundamental forces.
An important property of quarks is called confinement, which states that individual quarks are not seen because they are always confined inside subatomic particles called hadrons (e.g., protons and neutrons); an exception is the top quark, which decays so quickly that it does not hadronize, and can therefore be observed more directly via its decay products.
Confinement began as an experimental observation, and is expected to follow from the modern theory of strong interactions, called quantum chromodynamics..
For more information about the topic Quark, read the full article at Wikipedia.org, or see the following related articles:
Subatomic particle — A subatomic particle is a particle smaller than an atom: it may be elementary or composite. Particle physics and nuclear physics concern themselves ... > read more
Proton — The proton is a subatomic particle with an electric charge of one positive fundamental unit and a mass of 938.3 MeV/c2, or about 1836 times the mass ... > read more
Spin (physics) — In physics, spin refers to the angular momentum intrinsic to a body, as opposed to orbital angular momentum, which is generated by the motion of its ... > read more
