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Phys. Rev. D 74, 035001 (2006) [7 pages]

Higgs triplets and limits from precision measurements

Mu-Chun Chen,1 Sally Dawson,2 and Tadas Krupovnickas2
1Theoretical Physics Department, Fermilab, Batavia, Illinois 60510, USA
2Department of Physics, Brookhaven National Laboratory, Upton, New York 11973-5000, USA

Received 12 April 2006; published 1 August 2006

In this article, we present our results on a global fit to precision electroweak data in a Higgs triplet model. In models with a triplet Higgs boson, a consistent renormalization scheme differs from that of the standard model and the global fit shows that a light Higgs boson with mass of 100–200 GeV is preferred. Triplet Higgs bosons arise in many extensions of the standard model, including the left-right model and the Little Higgs models. Our result demonstrates the importance of the scalar loops when there is a large mass splitting between the heavy scalars. It also indicates the significance of the global fit.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevD.74.035001
DOI: 10.1103/PhysRevD.74.035001
PACS: 14.80.Cp; 12.15.Lk
  • 14.80.Cp
    Non-standard-model Higgs bosons
  • 12.15.Lk
    Electroweak radiative corrections
  • YEAR: 2006

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