Neutrinos, Axions and Conformal Symmetry

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dc.creatorMeissner, Krzysztof A.
dc.creatorNicolai, Hermann
dc.date2008-03-19
dc.date2008-09-05
dc.date.accessioned2026-07-07T12:30:01Z
dc.date.available2026-07-07T12:30:01Z
dc.descriptionWe 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 light neutrinos.
dc.description10 pages, 2 figures, expanded version, to be published in EPJ C
dc.identifierhttps://arxiv.org/abs/0803.2814
dc.identifierhttp://arxiv.org/abs/0803.2814
dc.identifierEur.Phys.J.C57:493-498,2008
dc.identifierdoi:10.1140/epjc/s10052-008-0760-x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216023
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNeutrinos, Axions and Conformal Symmetry
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