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Unitarity-controlled resonances after Higgs discovery

2015/03/25 by Christoph Englert, Philip Harris, Englert, Christoph +5 · 4 citations
Physics and Astronomy · #Electroweak interaction #Gauge boson #Gauge theory #Higgs boson #Higgs sector #High-Energy Particle Collisions Research #Large Hadron Collider #Lepton #Missing energy #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum Chromodynamics and Particle Interactions #Technicolor #Unitarity #hep-ex #hep-ph

paper · pdf · doi:10.48550/arxiv.1503.07459

published in arXiv (Cornell University) (Cornell University) · 9 pages, 6 figures, v2: references added, extended discussion about the 2 TeV excess

openalex publication_date 2015/03/25 · arxiv created 2015/07/16 · arxiv updated 2015/07/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

If the recently discovered Higgs boson's couplings deviate from the Standard Model expectation, we may anticipate new resonant physics in the weak boson fusion channels resulting from high scale unitarity sum rules of longitudinal gauge boson scattering. Motivated by excesses in analyses of multi-leptons+missing energy+jets final states during run 1, we perform a phenomenological investigation of these channels at the LHC bounded by current Higgs coupling constraints. Such an approach constrains the prospects to observe such new physics at the LHC as a function of very few and generic parameters and allows the investigation of the strong requirement of probability conservation in the electroweak sector to high energies. Our analysis is directly relevant for the 2 TeV excess reported recently by the CMS and ATLAS collaborations.

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