Hi, this is probably very simple.(adsbygoogle = window.adsbygoogle || []).push({});

1) What is the product of two singlets?

2) What is the product of two singlets and a doublet?

It looks like (2) breaks SU(2) symmetry and (1) doesn't, but I don't really understand why =/.

Any help would be appreciated,

Thanks!

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# Singlets and Doublets in SU(2)

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