Phys. Rev. Lett. 86, 2502–2504 (2001)Naturally Small Seesaw Neutrino Mass with No New Physics Beyond the TeV ScaleReceived 10 November 2000; published in the issue dated 19 March 2001 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., mν = mD2/mN, cannot be explained by a very large mN. In contrast to previous attempts to find an alternative mechanism for a small mν, 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. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.2502
DOI:
10.1103/PhysRevLett.86.2502
PACS:
14.60.Pq
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