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quark' mod"el



Physics.
a scheme that explains the quantum numbers of all the baryons and mesons by assuming that baryons are composed of three quarks and mesons of a quark and an antiquark, with different combinations of quark and antiquark flavors giving different sets of quantum numbers.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

quarkquarkonium

 

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