Constraints on new vector boson mediated electron-nucleus interactions from spectroscopy of polar diatomic molecules

Konstantin Gaul, Lei Cong, Dmitry Budker

A measurement of parity violation in the hyperfine structure of ${}^{138}$Ba${}^{19}$F [E. Altuntaş et al. Phys. Rev. Lett. 120, 142501 (2018)] is reinterpreted with electronic structu…