Nuclear Moments of Yb¹⁷³

抄録

The hyperfine structure (hfs) of the spectrum of ytterbium was studied, using separated isotopes 171 and 173 as well as natural ytterbium. The nuclear moment ratio μ(171)⁄μ(173)=−0.7248±0.0008 was obtained; and from the known value of μ(171) the value μ(173)=−0.6802±0.0010 nm was obtained. The nuclear quadrupole moment of Yb¹⁷³ deduced from the levels 6s6p ³P₁ and ³P₂ is 3.1±0.2 b without shielding correction. The method of the calculation is discussed.