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SU(3)
subjectfact 
SU(3)is a kind of elementary particle symmetry2001-09-27 09:32:35.0
has definition The symmetry corresponding to quark theory and the strong nuclear interaction.has source: Peat, D. 1988 Superstrings and the Search for a Theory of Everything, Contemporary Books, 2001-09-27 09:32:35.0
has definition Symmetrical Unitary of Order 3: A symmetry found in sub-nuclear spectra. It is a concept in group theory, by which Gell-Mann and others, using eight quantum numbers, have been able to combine particles into family groups or supermultiplets, as the lowest-lying eightfold group of the nucleon doublet, the Λ singlet, the Σ triplet, and the Ξ doublet. The SU(3) theory applies only to the strongly interacting particles.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:35.0
symmetryhas antonym symmetry breaking2001-09-27 09:32:34.0
unitary transformationhas symbol U2001-09-27 09:32:35.0