High-precision determination of the frequency-shift enhancement factor in Rb-${}^{129}$Xe

A. I. Nahlawi, Z. L. Ma, M. S. Conradi +1

We report a measurement of the dimensionless enhancement factor ${\kappa }_0$ for the Rb-${}^{129}$Xe pair commonly used in spin exchange optical pumping (SEOP) to produce hyperpolarized $^{…