The composite Higgs and light resonance connection

By A. Pomarol, F. Riva. 2012

189 citations recorded by the source corpus.

A bstractWeinberg sum-rules have been used in the past to successfully predict the electromagnetic contribution to the charged-pion mass as a function of the meson masses. Following the same approach we calculate in the minimal composite Higgs model (MCHM) the Higgs mass as a function of the fermionic resonance masses. The simplicity of the method allows us to study several versions of the MCHM and show that a Higgs with a mass around 125 GeV requires, quite generically, fermionic resonances below the TeV, and therefore accessible at the LHC. We also examine the couplings of the Higgs to the SM fermions and calculate their deviation from the SM value.

Subfields: Atomic and Molecular Physics, and Optics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/7438738f71284316467bf6e06be3af9bc96e8863

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In Atomic and Molecular Physics, and Optics

In Nuclear and High Energy Physics

Citations in the corpus

The Composite Nambu-Goldstone Higgs (2015, unknown): “8) demanding that α and β are finite [166, 167].”
Electroweak phase transition and baryogenesis in composite Higgs models (2018, background): “the cosine in the expression for the mass is absent when we couple the elementary fermions to composite operators in the following SO(5) representations: r L+ r R= 5+ 1;5+ 10;10+ 5;5+ 14;14+ 5;10+ 10 [27]. Interestingly, this selection criterium disfavours the minimal embeddings with 1 and 5 represe”
Higgs Physics at the HL-LHC and HE-LHC (2019, methodology): “For example, for the models based on the breaking of SO(5) to SO(4), the diagonal Yukawa couplings can be written as q = (1 + 2m (1 + 2m + n)(v/f) (2))/ q 1 (v/f)(2), where n,m are positive integers [701].”
Fundamental composite dynamics: A review (2020, background): “Furthermore, top partners in the EFT approach have been assumed to be the main driving force in the stabilization of the vacuum alignment along the small-θ limit: this mechanism can only work if the top partners are light [273, 274] and the contribution to the pNGB potential is dominated by their lo”
ILC Higgs White Paper (2013, background): “The search for such a light Higgs state in the mass range between 60 GeV and 100 GeV is very challenging in the standard search channels at the LHC.”
A first top partner hunter’s guide (2012, methodology): “We could even go as far as making the one loop Higgs potential finite with a three site model [16, 17], or by imposing phenomenological Weinberg sum-rules [18, 19].”
The universal Higgs fit (2013, methodology): “Right : values of the χ(2) along the trajectories in the (a, c) plane shown in the left panel, and given by a = √ 1− ξ and c = a (magenta) c = (1 − 2ξ)/a (blue) c = (1 − 3ξ)/a (red), as motivated by composite Higgs models [83, 84].”
Composite leptoquarks and anomalies in B-meson decays (2014, background): “15 Very roughly, the amount of tuning needed to accommodate the right values of the EW scale and of the Higgs mass [77–81] is expected to be, at best, at or below the per cent level, which is not much worse than the amount already required in generic supersymmetric extensions of the SM, given curren”