Encyclopedia

baryon octet

baryon octet

[′bar·ē‚än äk′tet]
(particle physics)
The group of one lambda, three sigma, and two xi hyperons and two nucleons, all having spin ½ and positive parity, and forming a symmetrical pattern as suggested by SU3 symmetry.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
We consider only normal and strange matter, that is, the baryons and mesons constituted by u, d and s quarks: the baryon octet (spin 1/2 baryons), the baryon decouplet (spin 3/2 baryons), the pseudoscalar meson nonet (spin 0 mesons), and the vector meson nonet (spin 1 mesons), which leaves us with a total of 54 particles (18 baryons, 18 antibaryons, and 18 mesons).
Particle yields in heavy ion collisions and the influence of strong magnetic fields
The proton and neutron are the lightest members of the lowest flavour SU(3) baryon octet, and neutron [beta]-decay
Determination of the electron-antineutrino angular correlation coefficient [a.sub.0] in unpolarized neutron [beta]-decay
In the conventional chiral perturbation theory, the masses of the ground state baryon octet can be expanded in quark mass as [13] ([m.sup.2.sub.p] ~ [m.sub.q])
Eta prime gluonic contribution to the nucleon self-energy in an effective theory
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