Speaker
Fiona Kirk
(Physikalisch-Technische Bundesanstalt (DE))
Description
In recent years, the field of precision spectroscopy has emerged as a powerful and versatile probe for light new physics ranging from $10^{-22}$ eV to the MeV scale. In this talk I will focus on recent improvements of isotope shift measurements in ytterbium and on the first ever laser excitation of a nuclear transition, which was achieved earlier this year in thorium-229. Both have implications for the search for new scalars while allowing us to gain new insights into nuclear physics.
