Cosmological Higgs-Axion Interplay for a Naturally Small Electroweak Scale

Link:
Autor/in:
Erscheinungsjahr:
2015
Medientyp:
Text
Schlagworte:
  • Standard model (particle physics)
  • Scalars
  • Electroweak vacuum
  • Gravitation
  • Black Holes (Astronomy)
  • Models
  • Standard model (particle physics)
  • Scalars
  • Electroweak vacuum
  • Gravitation
  • Black Holes (Astronomy)
  • Models
Beschreibung:
  • Recently, a new mechanism to generate a naturally small electroweak scale has been proposed. It exploits the coupling of the Higgs boson to an axionlike field and a long era in the early Universe where the axion unchains a dynamical screening of the Higgs mass. We present a new realization of this idea with the new feature that it leaves no sign of new physics at the electroweak scale, and up to a rather large scale, 109 GeV, except for two very light and weakly coupled axionlike states. One of the scalars can be a viable dark matter candidate. Such a cosmological Higgs-axion interplay could be tested with a number of experimental strategies.
Lizenz:
  • info:eu-repo/semantics/restrictedAccess
Quellsystem:
Forschungsinformationssystem der UHH

Interne Metadaten
Quelldatensatz
oai:www.edit.fis.uni-hamburg.de:publications/e1b241c9-6eb0-4cb6-ac59-bc55daeae67b