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R-invariant Natural Unification

K. -I. Izawa, T. Yanagida

hep-pharXiv:hep-ph/9703350

Abstract

We construct R-invariant unification models where a pair of massless Higgs doublets is naturally obtained. The masslessness of the Higgs doublets is guaranteed by the unbroken R symmetry. Mass generation for the Higgs doublets is considered from various viewpoints.

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