Naturally Small Seesaw Neutrino Mass with No New Physics Beyond the TeV Scale

Abstract

If there is no new physics beyond the TeV energy scale, such as in a theory of large extra dimensions, the smallness of the seesaw neutrino mass, i.e. $m_{\nu }=m_D^2/m_N$, cannot be explained by a very large $m_N$. In contrast to previous attempts to find an alternative mechanism for a small $m_{\nu }$, I show how a solution may be obtained in a simple extension of the Standard Model, without using any ingredient supplied by the large extra dimensions. It is also experimentally testable at future accelerators.

9 pages, in final form for PRL

References in corpus (4)

• Neutrino oscillations and large extra dimensions
• Verifiable Model of Neutrino Masses from Large Extra Dimensions
• Three flavour neutrino oscillations in models with large extra dimensions
• Solar neutrino oscillation from large extra dimensions

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