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Lorentz and CPT Violation in Partons

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arxiv 1911.04002 v2 pith:QHB4G4F4 submitted 2019-11-10 hep-ph

classification hep-ph
keywords lorentzviolationcolliderdatafactorizationhadronicanlageattainable
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A framework is presented for the factorization of high-energy hadronic processes in the presence of Lorentz and CPT violation. The comprehensive effective field theory describing Lorentz and CPT violation, the Standard-Model Extension, is used to demonstrate factorization of the hadronic tensor at leading order in electroweak interactions for deep inelastic scattering and for the Drell-Yan process. Effects controlled by both minimal and nonminimal coefficients for Lorentz violation are explored, and the equivalent parton-model description is derived. The methodology is illustrated by determining cross sections and studying estimated attainable sensitivities to Lorentz violation using real data collected at the Hadronen-Elektronen Ring Anlage and the Large Hadron Collider and simulated data for the future US-based electron-ion collider.

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Cited by 1 Pith paper

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  1. 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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