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Journal of High Energy Physics

, 2013:90 | Cite as

Modified Higgs physics from composite light flavors

  • Cédric Delaunay
  • Christophe GrojeanEmail author
  • Gilad Perez
Open Access
Article

Abstract

We point out that Higgs rates into gauge bosons can be significantly modified in composite pseudo Nambu-Goldstone boson (pNGB) Higgs models if quarks belonging to the first two generation are relatively composite objects as well. Although the lightness of the latter a priori screen them from the electroweak symmetry breaking sector, we show, in an effective two-site description, that their partners can lead to order one shifts in radiative Higgs couplings to gluons and photons. Moreover, due to the pseudo-Goldstone nature of the Higgs boson, the size of these corrections is completely controlled by the degree of compositeness of the individual light quarks. The current measurements of flavor-blind Higgs decay rates at the LHC thus provide an indirect probe of the flavor structure of the framework of pNGB Higgs compositeness.

Keywords

Higgs Physics Beyond Standard Model Technicolor and Composite Models 

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Copyright information

© SISSA 2013

Authors and Affiliations

  • Cédric Delaunay
    • 1
  • Christophe Grojean
    • 1
    • 2
    Email author
  • Gilad Perez
    • 1
    • 3
  1. 1.CERN Physics Department, Theory DivisionGeneva 23Switzerland
  2. 2.IFAEUniversitat Autònoma de BarcelonaBarcelonaSpain
  3. 3.Department of Particle Physics and AstrophysicsWeizmann Institute of ScienceRehovotIsrael

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