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 />
S<strong>in</strong>glet-octet mix<strong>in</strong>g<br />
Note: In the meson sector, also a “s<strong>in</strong>glet meson” bit<br />
contributes, with a wave function of the form<br />
It could be realised through a unit matrix.<br />
Typically there is a mix<strong>in</strong>g with octet wave<br />
functions, most notably examples are the and<br />
the mix<strong>in</strong>g <strong>in</strong> the pseudoscalar and vector<br />
multiplet. So, typically, there are n<strong>in</strong>e mesons per<br />
SU(3)-multiplet.
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