I know that for SU(2), weak interaction, in the standard model the right handed leptons are singlets, (and right handed neutrinos don't exist).(adsbygoogle = window.adsbygoogle || []).push({});

For right handed quarks are they singlets or doublets in the standard model. So is it (u d)R or is it just u(R) and d(R)

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# I Standard Model SU(2) singlets and doublets

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