antiquark

American  

[an-tee-kwawrk, -kwahrk, an-tahy-] / ˈæn tiˌkwɔrk, -ˌkwɑrk, ˈæn taɪ- /

noun

Physics.

1. the antiparticle of a quark.

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antiquark British  

/ ˈæntɪkwɑːk /

noun

1. the antiparticle of a quark

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antiquark Scientific  

/ ăn′tē-kwôrk′,ăn′tī- /

1. The antiparticle that corresponds to a quark.

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Etymology

Origin of antiquark

anti- + quark

Example Sentences

Unlike protons and neutrons, which are made of three quarks, mesons are made of one quark and one antiquark.

From Scientific American

A beam of positive pions—lightweight particles made from an up quark and a down antiquark—decay into muons and muon neutrinos.

From Scientific American

Pionic helium is here: a helium atom in which one of the two electrons has been replaced by a negative pion, a composite particle made of one quark and one antiquark.

From Nature

They belong to the family of subatomic particles known as mesons, which are made up of a quark and an antiquark; quarks are the particles that make up protons and neutrons.

From Nature

Of these, only a few hundred collisions simultaneously produced a Higgs boson and a top quark/antiquark pair.

From Scientific American