
TL;DR
This paper reveals a mechanism that enhances Higgs-rich final states in collider searches, potentially making them the primary channels for discovering new resonances beyond the Standard Model.
Contribution
It introduces a new effective field theory framework showing how higher-order Higgs couplings can selectively amplify Higgs final states, challenging conventional expectations.
Findings
Higgs final states can be parametrically enhanced over gauge boson channels.
Di-Higgs becomes the dominant signal for scalar resonances above a few TeV.
Tri-Higgs and four-Higgs channels are viable search targets at high resonance masses.
Abstract
Higgs final states are prime targets in the search for physics beyond the Standard Model. In the conventional picture, symmetry together with the Goldstone Equivalence Theorem correlates Higgs and gauge-boson final states, implying comparable sensitivity in channels such as , , and in searches for heavy resonances. In this work, we identify a mechanism to parametrically violate this expectation. We show that higher-order Higgs couplings can induce an electroweak-symmetry-breaking enhancement that selectively amplifies Higgs-rich final states, allowing them to become the leading discovery channels of new resonances. For scalar resonances, this can make di-Higgs the dominant bosonic signal. For resonance masses higher than a couple of TeV, it also opens resonant tri-Higgs and four-Higgs channels as well-motivated search targets. The same underlying mechanism extends…
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