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Título: | On electroweak symmetry breaking in the littlest Higgs model |
Autor: | Dobado, Antonio; Tabares-Cheluci, Lourdes; Peñaranda, Siannah | Palabras clave: | Composite Higgs Supersymmetry SU(2) |
Fecha de publicación: | 20-feb-2007 | Editor: | Società Italiana di Fisica Springer Nature |
Citación: | European Physical Journal C 50(3): 647-654 (2007) | Serie: | IFIC/07-15 | Resumen: | In SU(5)/SO(5) little Higgs models radiative corrections give rise to SU(2)(L)xU(1)(Y) symmetry breaking. In this work we start a program for a detailed determination of the relevant terms of the effective Higgs potential by computing the contribution of the t, b and T quarks at the one-loop level, as a starting point for a higher-loop computation. In spite of the fact that some two-loop level contributions are well known to be important, we use our preliminary one-loop result to illustrate that, by demanding the effective potential to reproduce exactly the standard model Higgs potential, and in particular the relation m(H)^2 = 2λv^2 = 2μ^2, it will be possible to set new constraints on the parameter space of the littlest Higgs model when the computation of all the relevant contributions to the effective Higgs potential is completed. | Descripción: | 8 pages, 3 figures.-- ISI Article Identifier: 000245853100015.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0606031 Printed version published Apr 2007. |
Versión del editor: | http://dx.doi.org/10.1140/epjc/s10052-007-0232-8 | URI: | http://hdl.handle.net/10261/9174 | DOI: | 10.1140/epjc/s10052-007-0232-8 | ISSN: | 1434-6044 | E-ISSN: | 1434-6052 |
Aparece en las colecciones: | (IFIC) Artículos |
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