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  Neutrinos, Axions and Conformal Symmetry

Meissner, K. A., & Nicolai, H. (2008). Neutrinos, Axions and Conformal Symmetry. European Physical Journal C, 57(3), 493-498. doi:10.1140/epjc/s10052-008-0760-x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-6D9D-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-6D9F-5
Genre: Journal Article

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neutrinos.pdf (Publisher version), 246KB
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 Creators:
Meissner, Krzysztof A.1, Author
Nicolai, Hermann1, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24014              

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Free keywords: hep-th hep-ph
 Abstract: We demonstrate that radiative breaking of conformal symmetry (and simultaneously electroweak symmetry) in the standard model with right-chiral neutrinos and a minimally enlarged scalar sector induces spontaneous breaking of lepton number symmetry, which naturally gives rise to an axion-like particle with some unusual features. The couplings of this ‘axion’ to standard model particles, in particular photons and gluons, are entirely determined (and computable) via the conformal anomaly, and their smallness turns out to be directly related to the smallness of the masses of the light neutrinos.

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Language(s): eng - English
 Dates: 2008-10-22
 Publication Status: Published in print
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 Identifiers: DOI: 10.1140/epjc/s10052-008-0760-x
eDoc: 354859
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Title: European Physical Journal C
Source Genre: Journal
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Pages: - Volume / Issue: 57 (3) Sequence Number: - Start / End Page: 493 - 498 Identifier: ISSN: 1434-6052