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UV Completed Composite Higgs model with heavy composite partners

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arxiv 2011.09460 v1 pith:WCRPVCJM submitted 2020-11-18 hep-ph hep-th

Zi-Yu Dong , Cong-Sen Guan , Teng Ma , Jing Shu , Xiao Xue This is my paper · ORCID
classification hep-phhep-th
keywords compositehiggselectroweakgaugepartnersbosonbreakingheavy
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We study electroweak symmetry breaking in minimal composite Higgs models $SU(4)/Sp(4)$ with purely fermionic UV completions based on a confining Hypercolor gauge group and find that the extra Higgs potential from the underlying preon mass can destruct the correlation between the mass of Higgs and composite partners. Thus the composite partners can be very heavy for successful electroweak symmetry breaking without enhancing the separation between the new physical scale and Higgs VEV. So this kind of model can be easily realized by ordinary strong dynamics theories without artificial assumptions and more likely consistent with lattice simulations. The UV completion of partial compositeness predicts a light singlet Goldstone boson which interacts with QCD and electroweak gauge bosons through Wess-Zumino-Witten terms. It can be produced through gluon fusion at LHC and decay into gauge boson pairs. We briefly discuss its phenomenology and derive its bounds from LHC searches.

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Cited by 2 Pith papers

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  1. Dark Photons and Gravitino Like Particles: Complete EFT Operator Basis

    hep-ph 2024-12 conditional novelty 6.0 of 10

    A new on-shell method using Young tableaux constructs complete EFT operator bases for massive particles of any spin, applied to dark photons and spin-3/2 gravitino-like particles up to dimension 8.

  2. Meson spectroscopy in the $Sp(4)$ gauge theory with three antisymmetric fermions

    hep-lat 2024-12 conditional novelty 6.0 of 10

    Lattice simulations of Sp(4) with three antisymmetric Dirac fermions find QCD-like confinement and chiral symmetry breaking, and provide a first continuum-extrapolated meson spectrum.

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