0000000000805658

AUTHOR

M. Benzing

showing 2 related works from this author

Improved lifetime measurements of the 3D3/2 and 3D5/2 metastable states of Ca II

1994

The lifetimes of both metastable 3D-levels of Ca+ have been measured using the ion storage technique. Operation at UHV-conditions eliminated the earlier reported problems of collisional finestructure mixing between those states [1], which is inherent to measurements at buffergas background. The results of τ(D 3/2)=1113(45) ms and τ(D 5/2)=1054(61) ms improve our earlier result [1] by almost one order of magnitude and are in good agreement with recent theoretical calculations [3, 4, 5].

Materials scienceMetastabilityAtomic physicsAtomic and Molecular Physics and OpticsOrder of magnitudeMixing (physics)IonZeitschrift f�r Physik D Atoms, Molecules and Clusters
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Precise determination of the ground state hyperfine structure splitting of43Ca II

1994

We have performed a laser microwave double resonance experiment on43Ca+ ions stored in a Paul ion trap. The ground state hfs splitting has been determined to Δν=3 225 608 286. 4(3) Hz. The value is corrected for small Zeeman, Stark and second order Doppler shifts as well as for light shift effects caused by the laserfields. The uncertainty is mainly determined by the errors of these corrections.

PhysicsZeeman effectResonanceAtomic and Molecular Physics and OpticsIonsymbols.namesakeLight ShiftsymbolsPhysics::Atomic PhysicsIon trapAtomic physicsGround stateDoppler effectHyperfine structureZeitschrift f�r Physik D Atoms, Molecules and Clusters
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