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Radiative corrections to the composite Higgs mass from a gluon partner

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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.

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Authors and Affiliations

  1. ARC Centre of Excellence for Particle Physics at the Terascale, School of Physics, The University of Melbourne, Victoria, 3010, Australia

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

  2. Stanford Institute of Theoretical Physics, Stanford University, Stanford, CA, 94305, U.S.A.

    Tony Gherghetta

Authors
  1. James Barnard
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  2. Tony Gherghetta
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  3. Anibal Medina
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  4. Tirtha Sankar Ray
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Correspondence to Tirtha Sankar Ray.

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ArXiv ePrint: 1307.4778

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Barnard, J., Gherghetta, T., Medina, A. et al. Radiative corrections to the composite Higgs mass from a gluon partner. J. High Energ. Phys. 2013, 55 (2013). https://doi.org/10.1007/JHEP10(2013)055

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  • DOI: https://doi.org/10.1007/JHEP10(2013)055

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