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  Isotope shift of 40,42,44,48Ca in the 4s2S1/2→4p2P3/2 transition

Gorges, C., Blaum, K., Frömmgen, N., Geppert, C., Hammen, M., Kaufmann, S., et al. (2015). Isotope shift of 40,42,44,48Ca in the 4s2S1/2→4p2P3/2 transition. Journal of Physics B: Atomic, Molecular and Optical Physics, 48(24): 245008. doi:10.1088/0953-4075/48/24/245008.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-0631-0 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-0632-E
Genre: Journal Article

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1507.07390v2 (Preprint), 847KB
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Gorges, C.1, Author
Blaum, Klaus2, Author           
Frömmgen, N.3, Author
Geppert, Ch.3, Author
Hammen, M.3, Author
Kaufmann, S.3, Author
Krämer, J.1, Author
Krieger, A.1, Author
Neugart , R.2, Author
Sánchez, R.4, Author
Nörtershäuser, W.1, 3, Author
Affiliations:
1Institut für Kernphysik, Technische Universität Darmstadt, Germany, ou_persistent22              
2Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
3Institut für Kernchemie, Johannes Gutenberg-Universität Mainz, Germany, ou_persistent22              
4GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany, ou_persistent22              

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 MPINP: Präzisionsexperimente - Abteilung Blaum
 Abstract: We report on improved isotope shift measurements of the isotopes 40,42,44,48Ca in the 4s2S1/2→4p2P3/2 transition using collinear laser spectroscopy. Accurately known isotope shifts in the 4s2S1/2→4p2P1/2 (D1) transition were used to calibrate the ion beam energy with an uncertainty of ΔU ≈ ± 0.25 V. The accuracy in the D2 transition was improved by a factor of 5–10. A King-plot analysis of the two transitions revealed that the field shift factor in the D2 line is about 1.8(13)% larger than in the D1 transition which is ascribed to relativistic contributions of the 4p1/2 wave function.

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Language(s): eng - English
 Dates: 2015-11-13
 Publication Status: Issued
 Pages: 6 pages
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/0953-4075/48/24/245008
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Title: Journal of Physics B: Atomic, Molecular and Optical Physics
Source Genre: Journal
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Publ. Info: Bristol : IOP
Pages: - Volume / Issue: 48 (24) Sequence Number: 245008 Start / End Page: - Identifier: -