期刊
PHYSICAL REVIEW LETTERS
卷 86, 期 12, 页码 2502-2504出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.2502
关键词
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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.
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