Frequency shifts in the EPR spectrum of ${}^{39}$K due to spin-exchange collisions with polarized ${}^3$He and precise ${}^3$He polarimetry

Sumudu Katugampola, Christopher Jantzi, David A. Keder +6

The Zeeman splittings and EPR frequencies of alkali-metal atoms are shifted in the presence of a polarized noble gas. For a spherical geometry, the shift is enhanced over what is e…