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hyperon

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.40 sec.
hy·per·on  (hp-rn)
n.
A semistable or unstable baryon with mass greater than the neutron. See Table at subatomic particle.
hyperon  (hp-rn)
Any of various baryons, other than the proton and neutron, that do not decay via the strong force. The lambda particle is an example of a hyperon. Hyperons are unstable or semistable, heavier than protons and neutrons, and have nonzero strangeness.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.hyperon - any baryon that is not a nucleon; unstable particle with mass greater than a neutron
baryon, heavy particle - any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1
lambda hyperon, lambda particle - an electrically neutral baryon with isotopic spin 1


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? Mentioned in ? References in periodicals archive
 
In this approach, the authors used a valence quark model in combination with SU(6) symmetry relations and data on hyperon decays to produce a range of predictions for effective PV meson-nucleon couplings consistent with the SM.
Neutron measurements and the weak nucleon-nucleon interaction by Snow, W.M. / Journal of Research of the National Institute of Standards and Technology
decay into a combination of a lambda hyperon, an antiproton and pions.
Unconventional physics: 'quite crazy' after all these years by Thomsen, Dietrick E. / Science News
Mathematicians spend their time playing with triangles and hexagons; physicists spend their time playing with lambda hyperons and sigma hyperons.
'Ptarmigans wheeling over the gorse'; surely such things don't happen ... by Thomsen, Dietrick E. / Science News
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