Light active and sterile neutrinos from compositeness

Abstract

Neutrinos can have naturally small Dirac masses if the Standard Model singlet right-handed neutrinos are light composite fermions. Theories which produce light composite fermions typically generate many of them, three of which can marry the left-handed neutrinos with small Dirac masses. The rest can serve as sterile states which can mix with the Standard Model neutrinos. We present explicit models illustrating this idea.

6 pages, revtex

References in corpus (1)

• Solutions to Solar Neutrino Anomaly

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