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Bibliographic Details
Main Authors: Loizos, B. M., Wang, X. G., Thomas, A. W., White, M. J., Williams, A. G.
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2506.20080
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Table of Contents:
  • We revisit the Standard Model fit to electroweak precision observables in using the latest data and the Particle Data Group (PDG) measurement of the W boson mass. The analysis is then repeated in light of the new W boson mass measurement from the Collider Detector at Fermilab (CDF) collaboration. We then introduce a dark photon to the model, placing constraints on the parameter space arising from these electroweak precision observables, both for the PDG and CDF values for the W boson mass. We also extend previous work by placing the first electroweak precision observable constraints on the coupling of dark photons to the fermionic dark matter sector.