quark

Classifications of hadrons, unitarity symmetries of hadron, quark model.

See also electroweak theory, lepton, meson, quantum chromodynamics, quark.

Peter Renton，Electroweak Interactions， An Introduction to the Physics of Quark and Leptons， Cambridge University Press，Cambridge，1990.

To the pulsars in binaries, as the conditions are different, both of the deconfinement and the reconfinement of quark matters may take place.

Quarks are elementary particles that combine to form protons and neutrons.

Scientists study the behavior of quarks in particle accelerators.

The theory of quarks revolutionized our understanding of the structure of matter.

Quarks have fractional electric charges.

The study of quarks is an important part of particle physics.

Quarks come in six different types or flavors.

Physicists use mathematical equations to describe the interactions between quarks.

Quarks are always found in combination with other quarks to form particles.

The discovery of quarks was a major breakthrough in the field of particle physics.

Quarks have a property called color charge that is responsible for the strong force.