A measurement of parity violation in the hyperfine structure of ^138Ba^19F E. Altuntas et al. Phys. Rev. Lett. 120, 142501 (2018) is reinterpreted with electronic structure calculations in terms of beyond Standard Model vector boson mediated electron-nucleus interactions. Our results set constraints on previously unexplored, new boson mediated axial vector-vector nucleus-electron interactions. Similar bounds are obtained by analyzing the atomic parity violation experiment with ^133Cs. Moreover, we show that future experiments with cold heavy diatomic molecules like ^225RaF can improve the present sensitivity to axial vector-vector nucleus-electron and nucleon-nucleus interactions by up to five orders of magnitudes.
Gaul et al. (Tue,) studied this question.