Isotope Shift in the Dielectronic Recombination of Three-Electron {sup A}Nd{sup 57+}

Journal Article · Fri Feb 22 04:00:00 EST 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.100.073201· OSTI ID:21024788

Brandau, C; Kozhuharov, C; Bosch, F; Kluge, H -J; Stoehlker, Th; Beckert, K; Beller, P; Nolden, F; Steck, M; Gumberidze, A; Reuschl, R; Spillmann, U ^[1]; Harman, Z; Jentschura, U D; Keitel, C H; Wolf, A ^[2]; Mueller, A; Schippers, S; Bernhardt, D; Boehm, S ^[3]

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1. Gesellschaft fuer Schwerionenforschung (GSI), 64291 Darmstadt (Germany)
2. Max-Planck Institut fuer Kernphysik, 69117 Heidelberg (Germany)
3. Institut fuer Atom-und Molekuelphysik, Justus-Liebig-Universitaet, 35392 Giessen (Germany)

Isotope shifts in dielectronic recombination spectra were studied for Li-like {sup A}Nd{sup 57+} ions with A=142 and A=150. From the displacement of resonance positions energy shifts {delta}E{sup 142} {sup 150}(2s-2p{sub 1/2})=40.2(3)(6) meV [(stat)(sys)] and {delta}E{sup 142} {sup 150}(2s-2p{sub 3/2})=42.3(12)(20) meV of 2s-2p{sub j} transitions were deduced. An evaluation of these values within a full QED treatment yields a change in the mean-square charge radius of {sup 142} {sup 150}{delta}<r{sup 2}>=-1.36(1)(3) fm{sup 2}. The approach is conceptually new and combines the advantage of a simple atomic structure with high sensitivity to nuclear size.

• OSTI ID: 21024788
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 7 Vol. 100; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ELECTRONS
MULTICHARGED IONS
NEODYMIUM IONS
QUANTUM ELECTRODYNAMICS
RECOMBINATION
SPECTRAL SHIFT