Møller scattering and Lorentz-violating Z bosons | Zendy

Hao Fu | Zendy; Ralf Lehnert | Zendy

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Møller scattering and Lorentz-violating Z bosons

Author(s) -

Hao Fu,

Ralf Lehnert

Publication year - 2016

Publication title -

physics letters b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.093

H-Index - 283

eISSN - 1873-2445

pISSN - 0370-2693

DOI - 10.1016/j.physletb.2016.08.063

Subject(s) - physics , lorentz transformation , asymmetry , cpt symmetry , parity (physics) , boson , particle physics , scattering , lorentz covariance , electron , electron scattering , context (archaeology) , quantum electrodynamics , quantum mechanics , biology , paleontology

Lorentz-symmetry breakdown in weak-interaction physics is studied. In particular, the CPT-even Lorentz-violating contributions to the Z boson in the minimal Standard-Model Extension are considered, and in this context polarized electron–electron scattering is investigated. Corrections to the usual parity-violating asymmetry are determined at tree level. Together with available data, this result can be used to improve existing estimates for the Lorentz-violating kWkW coefficient by two orders of magnitude. Some implications for past and future experiments are mentioned.Indiana University Cen-ter for Spacetime SymmetriesAlexander von Humboldt Foundatio

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