quarks

Cultural  

1. In physics, the elementary particles that make up the protons and neutrons that in turn make up the atomic nucleus. Quarks are the most basic known constituent of matter. (See antimatter.)

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No quarks have been seen in the laboratory because, according to current theory, they cannot exist as free particles.

Example Sentences

While a proton contains two up quarks and one down quark, the Ξcc⁺ replaces the up quarks with heavier charm quarks.

From Science Daily

These common particles are composed of three quarks, which are fundamental building blocks of matter.

From Barron's

In quantum field theory, the particles that make up our world such as electrons, top quarks, neutrinos, and even dark matter are not independent objects in the usual sense.

From Science Daily

High energy proton collisions can be pictured as a roiling sea of quarks and gluons, including short lived virtual particles.

From Science Daily

By doing so, researchers aim to recreate the universe's earliest moments and learn how a hot mixture of quarks and gluons eventually formed stable atomic nuclei and, ultimately, all matter.

From Science Daily