Precision measurement of the n=2 triplet P J=1-to-J=0 fine structure of atomic helium using frequency-offset separated oscillatory fields

F. Heydarizadmotlagh, T. D. G. Skinner, K. Kato +2

Increasing accuracy of the theory and experiment of the $n$$=$$2$ ${}^3$P fine structure of helium has allowed for increasingly-precise tests of quantum electrodynamics (QED), determ…