Journal
PHYSICS LETTERS B
Volume 676, Issue 1-3, Pages 81-87Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2009.04.046
Keywords
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Funding
- Ministry of Education, Science and Culture of Japan [18740170]
- Grants-in-Aid for Scientific Research [18740170] Funding Source: KAKEN
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Under a hypothesis of classically conformal theories, we investigate the minimal B-L extended Standard Model, which naturally provides the seesaw mechanism for explaining tiny neutrino masses. In this setup, the radiative gauge symmetry breaking is successfully realized in a very simple way: The B-L gauge symmetry is broken through the conformal anomaly induced by quantum corrections in the Coleman-Weinberg potential. Associated with this B-L symmetry breaking, the Higgs mass parameter is dynamically generated, by which the electroweak symmetry breaking is triggered. We find that a wide range of parameter space can satisfy both the theoretical and experimental requirements. (C) 2009 Elsevier B.V. All rights reserved.
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