Quarks
Quarks- any group of subatomic particles believed to be among the basic
components if matter
Quarks are believed to be the fundamental constituents of matter, and
have no apparent structure. They are the particles that make up protons and
neutrons, which make up the nucleus of atoms. Also, particles that interact by
means of the strong force, the force that holds parts of the nucleus together,
are explained in terms of quarks. Other baryons are explained in terms of
quarks(1985 Quarks).
Quarks have mass and exhibit spin, the type of intrinsic angular
momentum corresponding to rotation around an axis, equal to half the basic
quantum mechanical unit of angular momentum, obeying Pauli's exclusion principle.
This principle that no two particles having half integral spin can exist in the
same quantum state(1985 Quarks).
Quarks always occur in combination with other quarks, they never occur
alone. Physicists have attempted to knock a single quark free from a group
using......
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