Stark effect investigations of the 4f 14 6s 6p 3 P 1 and1 P 1 levels of ytterbium |
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Authors: | R. -H. Rinkleff |
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Affiliation: | 1. Institut A für Experimentalphysik der Universit?t, Hannover, Federal Republic of Germany
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Abstract: | The tensor polarizabilities of the 4f 14 6s 6p 3 P 1 level were investigated for all stable Ytterbium isotopes by the method of optical double resonance. The tensor polarizabilities were deduced from the rf-resonance signals in parallel electric and magnetic fields. The value obtained for the even Yb isotopes is in good agreement with the results derived from the measurements on the odd isotopes. The mean value isα ten(3 P 1)0=5.99(34)kHz/(kV/cm)2. The tensor polarizability of the 4f 14 6s 6p 1 P 1 level of171Yb was measured by means of the level crossing technique with parallel electric and magnetic fields. The experimental result isα ten(1 P 1)=?14.3(1.4)kHz/(kV/cm)2. This is compared with the prediction of the LS coupling approximation using the experimental data of the3 P 1 level. Only poor agreement is obtained which is due to the configuration mixing in the1P1 level. |
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