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Probing CPT invariance with top quarks at the LHC

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arxiv 2405.12162 v2 pith:45LOLZQ5 submitted 2024-05-20 hep-ph

A. Belyaev , L. Cerrito , E. Lunghi , S. Moretti , N. Sherrill This is my paper · ORCID
classification hep-ph
keywords top-quarkantitopatlasbackgroundcomponentconfidencecpt-violatingcurrent
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abstract

The first model-independent sensitivity to CPT violation in the top-quark sector is extracted from ATLAS and CMS measurements of the top and antitop kinematical mass difference. We find that the temporal component of a CPT-violating background field interacting with the top-quark vector current is restricted within the interval $[-0.13,0.29]$ GeV at 95% confidence level.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Nonperturbative Lorentz Violation and Field Quantization

    hep-th 2024-12 conditional novelty 6.0 of 10

    The free Lorentz-violating b_mu fermion theory admits consistent Fock-space quantization even for nonperturbative background fields, but the ground state is not unique without external preferred-frame physics.

  2. Signals of nonrenormalizable Lorentz and CPT violation at the LHC

    hep-ph 2024-12 conditional novelty 6.0 of 10

    New LHC-derived bounds and projected sensitivities are obtained for dimension-five Lorentz- and CPT-violating quark operators through Z-boson exchange in Drell-Yan production.

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