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Collinear laser spectroscopy of atomic cadmium

Abstract : Hyperfine structure A and B factors of the atomic 5s5p 3P2 → 5s6s 3S1 transition are determined from collinear laser spectroscopy data of 107−123Cd and 111m−123m Cd. Nuclear magnetic moments and electric quadrupole moments are extracted using reference dipole moments and calculated electric field gradients, respectively. The hyperfine structure anomaly for isotopes with s 1/2 and d 5/2 nuclear ground states and isomeric h 11/2 states is evaluated and a linear relationship is observed for all nuclear states except s 1/2. This corresponds to the Moskowitz-Lombardi rule that was established in the mercury region of the nuclear chart but in the case of cadmium the slope is distinctively smaller than for mercury. In total four atomic and ionic levels were analyzed and all of them exhibit a similar behaviour. The electric field gradient for the atomic 5s5p 3P2 level is derived from multi-configuration Dirac-Hartree-Fock calculations in order to evaluate the spectroscopic nuclear quadrupole moments. The results are consistent with those obtained in an ionic transition and based on a similar calculation.
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Contributor : Sophie Heurteau <>
Submitted on : Tuesday, August 18, 2015 - 11:31:30 AM
Last modification on : Thursday, November 19, 2020 - 2:04:06 PM

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N. Frömmgen, D. L. Balabanski, M. L. Bissell, J. Bieroń, K. Blaum, et al.. Collinear laser spectroscopy of atomic cadmium. The European Physical Journal D : Atomic, molecular, optical and plasma physics, EDP Sciences, 2015, 69 (6), pp.164. ⟨10.1140/epjd/e2015-60219-0⟩. ⟨in2p3-01184887⟩



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