Optical-Pumping Determination of the Nuclear Magnetic Moments of the Radioisotopes Mercury-193, - $193 m$ , - $195 m$ , and - $197 m$

The technique of optical pumping has been used to determine the nuclear magnetic dipole moment of spin-

\frac{3}{2}

4 - h {}^{193}{Hg}

, and the spin-

\frac{13}{2}

isomers,

10 - h {}^{193 m}{Hg}

40 - h {}^{195 m}{Hg}

, and

24 - h {}^{197 m}{Hg}

. Nuclear magnetic resonance was observed following orientation of the

6 s^{2} {}^{1}S_{0}

ground state. The results are

| {}^{193}μ | = 0.61763 (18) μ_{N}

| {}^{193 m}μ | = 1.0416 (3) μ_{N}

| {}^{195 m}μ | = 1.0280 (2) μ_{N}

, and

| {}^{197 m}μ | = 1.0112 (3) μ_{N}

, all without diamagnetic correction. Differential hfs anomalies,

Δ

, have been calculated with respect to stable

{}^{199}{Hg}

with the use of the previously determined values of the magnetic dipole hfs interaction constants for the

6 s 6 p {}^{3}P_{1}

level. We obtain

{}^{193}Δ^{199} = 0.0054 (27)

{}^{193 m}Δ^{199} = 0.0108 (3)

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Optical-Pumping Determination of the Nuclear Magnetic Moments of the Radioisotopes Mercury-193, -193m, -195m, and -197m