antibaryon


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antibaryon

[′an·tē¦bar·ē·än]
(atomic physics)
One of a class of antiparticles, including the antinucleons and the antihyperons, with strong interactions, baryon number -1, and hypercharge and charge opposite to those for the particles.
References in periodicals archive ?
where [alpha] and [bar.[alpha]] denote baryons and antibaryons, respectively.
* if n = 3, we have qqq, aaa (triquark--for example the baryons and antibaryons);
where [n.sub.b], [n.sub.[bar.b]], [n.sub.[gamma]] are the number densities of baryons, antibaryons, and photons.