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Singlet Higgs phenomenology and the electroweak phase transition

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Profumo, Stefano, Ramsey-Musolf, Michael J, Shaughnessy, Gabe·2007·Journal of High Energy Physics

Abstract

We study the phenomenology of gauge singlet extensions of the Standard Model scalar sector and their implications for the electroweak phase transition. We determine the conditions on the scalar potential parameters that lead to a strong first order phase transition as needed to produce the observed baryon asymmetry of the universe. We analyze the constraints on the potential parameters derived from Higgs boson searches at LEP and electroweak precision observables. For models that satisfy these constraints and that produce a strong first order phase transition, we discuss the prospective signatures in future Higgs studies at the Large Hadron Collider and a Linear Collider. We argue that such studies will provide powerful probes of phase transition dynamics in models with an extended scalar sector.

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Crossref · 10.1088/1126-6708/2007/08/010

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Metadata

Authors
Profumo, S., Ramsey-Musolf, M. J., & Shaughnessy, G.
Venue
Journal of High Energy Physics
Published
2007-08-03
Volume
2007
Issue
08
Pages
010-010
ISSN
1029-8479 (ISSN-L)
OpenAlex
W2012581515
Cited by
452
References
0
FWCI
9.45
Type
journal article
Language
en
Open access
green

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