Radiative corrections to the composite Higgs mass from a gluon partner

James Barnard, Tony Gherghetta, Anibal Medina, Tirtha Sankar Ray

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In composite Higgs models light fermionic top partners often play an important role in obtaining a 126 GeV Higgs mass. The presence of these top partners implies that coloured vector mesons, or massive gluon partners, most likely exist. Since the coupling between the top partners and gluon partners can be large there are then sizeable two-loop contributions to the composite Higgs mass. We compute the radiative correction to the Higgs mass from a gluon partner in the minimal composite Higgs model and show that the Higgs mass is in fact reduced. This allows the top partner masses to be increased, easing the tension between having a light composite Higgs and heavy top partners.

Original languageEnglish (US)
Article number55
JournalJournal of High Energy Physics
Volume2013
Issue number10
DOIs
StatePublished - Oct 2013

Keywords

  • Beyond standard model
  • Higgs physics
  • Technicolor and composite models

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