7 papers
Relaxed constraints for dark matter with axial coupling to a dark photon
X. G. Wang, A. W. Thomas
We present a new model of the dark sector involving Dirac fermion dark matter, with axial coupling to a dark photon which provides a portal to Standard Model particles. In the non-…
WIMP Dark Matter within the dark photon portal
X. G. Wang, B. M. Loizos, A. W. Thomas
We test the dark photon as a portal connecting to the dark sector in the case of Dirac fermion and complex scalar dark matter with masses up to 1 TeV. Both the dark photon and the…
Relaxing constraints on a broad dark photon
J. R. Felix, A. W. Thomas, X. G. Wang
We revisit the exclusion constraints on the parameters of a narrow dark photon set by direct experimental searches. We investigate how a dark photon with a larger decay width impac…
Constraints on the dark sector from electroweak precision observables
B. M. Loizos, X. G. Wang, A. W. Thomas +2
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 t…
Evidence for and implications of a dark photon
X. G. Wang, A. W. Thomas
We performed the first global QCD analysis of electron-nucleon deep-inelastic scattering and related high-energy data by including the contribution from a dark photon. Our results…
Searching for the dark photon at the Future Circular Lepton Collider
X. G. Wang, A. W. Thomas
In the context of future electroweak precision measurements at the Future Circular Lepton Collider (FCC-ee), we consider recent proposals aimed at finding signatures of physics bey…