Collinear laser spectroscopy of atomic cadmium: Extraction of nuclear magnetic dipole and electric quadrupole moments

Hyperfine structure A and B factors of the atomic 5 s 5 p   3 P 2 → 5 s 6 s   3 S 1 transition are determined from collinear laser spectroscopy data of 107−123 Cd and 111 m −123 m Cd. Nuclear magnetic moments and electric quadrupole moments are extracted using reference dipole moments and calculated...

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Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2015-06, Vol.69 (6), Article 164
Main Authors: Frömmgen, Nadja, Balabanski, Dimiter L., Bissell, Mark L., Bieroń, Jacek, Blaum, Klaus, Cheal, Bradley, Flanagan, Kieran, Fritzsche, Stephan, Geppert, Christopher, Hammen, Michael, Kowalska, Magdalena, Kreim, Kim, Krieger, Andreas, Neugart, Rainer, Neyens, Gerda, Rajabali, Mustafa M., Nörtershäuser, Wilfried, Papuga, Jasna, Yordanov, Deyan T.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Molecular
Optical and Plasma Physics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Information Technology
Quantum Physics
Regular Article
Spectroscopy/Spectrometry
Spintronics
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Summary:Hyperfine structure A and B factors of the atomic 5 s 5 p   3 P 2 → 5 s 6 s   3 S 1 transition are determined from collinear laser spectroscopy data of 107−123 Cd and 111 m −123 m 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 5 s 5 p   3 P 2 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. Graphical abstract
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2015-60219-0