Description:

Abstract: With the emergence of a precise value of the fine-structure constant from atom interferometry, the experimental value of the electron g-2 probes physics beyond the Standard Model. The sign and significance of the current discrepancy from the Standard Model prediction suggests a new-physics mechanism for its resolution distinct from that of the muon g-2 anomaly. I will review the proposed resolutions, noting the broader connections to flavor physics, and discuss the experiments that could distinguish them. One previously unappreciated possibility involves lepton-number-carrying scalars, and I will note its implications for the existence of neutrinoless double beta decay, as well as for the    lepton-scattering-mediated baryon-number-violating processes discoverable at low-energy accelerators.

Speaker: Susan Gardner, University of Kentucky

Host: CFP

Keywords: Physics, CFP, Colloquium