Nonlinear calcium King plot constrains new bosons and nuclear properties

A Wilzewski, LI Huber, M Door, J Richter… - arXiv preprint arXiv …, 2024 - arxiv.org
Nonlinearities in King plots (KP) of isotope shifts (IS) can reveal the existence of beyond-
Standard-Model (BSM) interactions that couple electrons and neutrons. However, it is crucial …