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A custodial symmetry for $Zb\overline{\b}$

We show that a subgroup of the custodial symmetry O(3) that protects delta rho from radiative corrections can also protect the Zbb coupling. This allows one to build models of electroweak symmetry breaking, such as Higgsless, Little Higgs or 5D composite Higgs models, that are safe from corrections...

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Detalles Bibliográficos
Autores principales:	Agashe, K, Contino, Roberto, Rold, L D, Pomarol, A
Lenguaje:	eng
Publicado:	2006
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1016/j.physletb.2006.08.005 http://cds.cern.ch/record/955133

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