Massless fermion representations in grand unified gauge theories
- 1 October 1979
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear Physics
- Vol. 5 (10), 1317-1327
- https://doi.org/10.1088/0305-4616/5/10/011
Abstract
A classification is given of fermion representations of grand unified gauge groups for which gauge-invariant mass terms are forbidden. An explicit global invariance which requires neutrinos to be massless is found for models based on the grand unified groups SU(5) and E6.Keywords
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