Quarks

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 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

. . .
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Approximate Word count = 561
Approximate Pages = 2 (250 words per page double spaced)