antiquark


Also found in: Thesaurus, Encyclopedia.

an·ti·quark

 (ăn′tē-kwôrk′, ăn′tī-)
n.
The antiparticle of a quark.

antiquark

(ˈæntɪkwɑːk)
n
(Atomic Physics) the antiparticle of a quark

an•ti•quark

(ˈæn tiˌkwɔrk, -ˌkwɑrk, ˈæn taɪ-)

n.
the antiparticle of a quark.
[1964]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antiquark - the antiparticle of a quark
elementary particle, fundamental particle - (physics) a particle that is less complex than an atom; regarded as constituents of all matter
hadron - any elementary particle that interacts strongly with other particles
References in periodicals archive ?
Besides its unprecedented quark count, a pentaquark is unusual in that it includes an exotic antiquark, the so-called strange antiquark.
One can show that this colorless state exists for three combinations of quark states only: (1) the quark-antiquark pair with color and anticolor, (2) three quarks, or (3) three antiquarks, with the appropriate linear combinations of colors or anticolors.
Physicists expect others in the new particle family, like these initial two members, to consist of four quarks and one antiquark.
This structure, called a chiral condensate, consists of quark-antiquark pairs, but only certain types of quarks pair up with certain types of antiquarks.
A meson is a particle made up of a quark paired with an antiquark.
Thus, in the discussion carried out below, baryons contain four quarks and one antiquark.
is composed by one up quark and one down antiquark (u[bar.
Other sorts of particles, called mesons, consist of a quark and an antiquark bound together.
the within-nucleon transition of a d-quark to a uquark, or the reverse, is associated with the formation of an antiquark, without the requirement of GeV energies necessary to break apart the nucleus.
The strange matter can be unmatter if these exists at least an antiquark together with so many quarks in the nucleons.
The W can then decay into a lighter quark and an antiquark or into a pair of leptons (an electron and electron neutrino or a muon and muon neutrino).