History, quark model and the SU(3)-symmetry
History, quark model and the SU(3)-symmetry
History, quark model and the SU(3)-symmetry
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<strong>SU</strong>(3)<br />
The algebra is generated by <strong>the</strong> 8 Gell-Mann<br />
matrices λi , i=1,...,8.<br />
Define<br />
1<br />
Ti = λ<br />
2<br />
i<br />
The algebra satisfy <strong>the</strong> commutation relations<br />
[ T ] i,<br />
Tj<br />
=<br />
ifijkTk<br />
Simela Aslanidou 14.12.2006