Symmetries in particle physics
Symmetries in particle physics
Symmetries in particle physics
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The eightfold way, revisited<br />
Some SU(3) relations<br />
Why SU(3)<br />
In isosp<strong>in</strong>, there are two quarks related by<br />
symmetry,<br />
and<br />
The group related to this is the sp<strong>in</strong> group, or<br />
SU(2). Its generators are the Pauli matrices,<br />
The pions can be identified with σ 3<br />
and the two<br />
l<strong>in</strong>ear comb<strong>in</strong>ations (of def<strong>in</strong>ite charge)
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