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Research PapersNo Access

CANONICAL SEESAW MECHANISM IN ELECTROWEAK SU(4)_L ⊗ U(1)_Y MODELS

ADRIAN PALCU

Faculty of Exact Sciences, "Aurel Vlaicu" University Arad, Str. Elena Drăgoi 2, Arad – 310330, Romania

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https://doi.org/10.1142/S0217732309031946Cited by:14 (Source: Crossref)

Abstract

In this paper we show that the canonical seesaw mechanism can naturally be implemented in a particular class of electroweak SU(4)_L ⊗ U(1)_Y gauge models. The resulting neutrino mass spectrum is determined by just tuning a unique free parameter a within the algebraical method of treating gauge models with high symmetries proposed several years ago by Cotăescu. All the Standard Model phenomenology is preserved, being unaffected by the new physics occurring at a high breaking scale m ~ 10¹¹GeV.

Keywords:

PACS: 14.60.St, 14.60.Pq, 12.60.Fr

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Vol. 24, No. 32

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History

Received 10 August 2009

Revised 26 August 2009

Keywords