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Signals of nonrenormalizable Lorentz and CPT violation at the LHC

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arxiv 2412.14305 v1 pith:QDMFXZ2K submitted 2024-12-18 hep-ph hep-ex

Enrico Lunghi , Nathaniel Sherrill This is my paper · ORCID
classification hep-phhep-ex
keywords constraintsmodificationsnonrenormalizableanalysisappliedatlasbosoncollaborations
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abstract

We examine nonrenormalizable Lorentz- and CPT-violating effective operators applied to the quark sector of the Standard Model. Using Drell-Yan events collected by the ATLAS and CMS Collaborations, several constraints are extracted from time-independent modifications of the cross section on the $Z$-boson pole. The sensitivity to time-dependent modifications are also estimated by simulating a sidereal-time analysis. Our results suggest a dedicated search can improve on constraints from deep inelastic scattering by up to three orders in magnitude.

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Cited by 1 Pith paper

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  1. Vacuum Cherenkov radiation for nonminimal dimension-5 Lorentz violation

    hep-ph 2025-08 conditional novelty 6.0 of 10

    Isotropic dimension-5 Lorentz violation in fermions is constrained to below 1e-18 GeV^-1 (proton, m-type) and 3e-28 GeV^-1 (proton, a-type) by the absence of vacuum Cherenkov radiation in cosmic rays.

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