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Just so Higgs boson

AuthorsBazzocchi, Federica ; Fabbrichesi, M.; Ullio, P.
KeywordsElectroweak symmetry-breaking
[PACS] Spontaneous and radiative symmetry breaking in particles and fields
[PACS] Extensions of electroweak Higgs sector
[PACS] Non-standard-model Higgs bosons
[PACS] Dark matter (stellar, interstellar, galactic, and cosmological)
Issue Date23-Mar-2007
PublisherAmerican Physical Society
CitationPhysical Review D 75(5): 056004 (2007)
AbstractWe discuss a minimal extension to the standard model in which there are two Higgs bosons and, in addition to the usual fermion content, two fermion doublets and one fermion singlet. The little hierarchy problem is solved by the vanishing of the one-loop corrections to the quadratic terms of the scalar potential. The electroweak ground state is therefore stable for values of the cut off up to 10 TeV. The Higgs boson mass can take values significantly larger than the current LEP bound and still be consistent with electroweak precision measurements.
Description8 pages, 4 figures.-- PACS nrs.: 11.30.Qc; 12.60.Fr; 14.80.Cp; 95.35.+d.-- ISI Article Identifier: 000245333000072.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0612280
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.75.056004
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