Is it purely coincidental that the internal symmetry related flavor quantum numbers(like isospin and weak isospin) and the spacetime symmetry related spin quantum number have SU(2) as underlying group?(adsbygoogle = window.adsbygoogle || []).push({});

They refer to seemingly unrelated things but it is remarkable how ubiquitous SU(2) is.

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# Quantum numbers and SU(2)

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