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Cited by 905

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Neutrino masses and mixings in non-factorizable geometry

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Grossman, Yuval, Neubert, Matthias·2000·Physics Letters B

Abstract

We study bulk fermion fields in the localized gravity model with non-factorizable metric recently proposed by Randall and Sundrum, and Gogberashvili. In addition to a tower of weak-scale Kaluza–Klein states we find a zero mode for any value of the fundamental fermion mass. If the fermion mass is larger than half the curvature of the compact dimension, the zero mode can be localized on the “hidden” 3-brane in the Randall–Sundrum model. Identifying this mode with a right-handed neutrino provides a new way for obtaining small Dirac neutrino masses without invoking a see-saw mechanism. Cancellation of the parity anomaly requires introducing an even number of bulk fermions. This naturally leads to a strong hierarchy of neutrino masses and generically large mixing angles.

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Metadata

Authors
Grossman, Y., & Neubert, M.
Venue
Physics Letters B
Publisher
Elsevier BV
Published
2000-02
Volume
474
Issue
3-4
Pages
361-371
ISSN
0370-2693 (ISSN-L)
OpenAlex
W2100031375
Cited by
905
References
2
FWCI
26.17
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Neutrino masses and mixings in non-factorizable geometry. https://app.cochat.ai/papers/10.1016/s0370-2693(00)00054-x
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Grossman, Y., & Neubert, M. (2000). Neutrino masses and mixings in non-factorizable geometry. Physics Letters B. https://doi.org/10.1016/s0370-2693(00)00054-x

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