Isotope shift in the dielectronic recombination of three-electron ^{A}Nd^{57+}

Abstract

Isotope shifts in dielectronic recombination spectra were studied for Li-like ^{A}Nd^{57+} ions with A=142 and A=150. From the displacement of resonance positions energy shifts δE^{142,150}(2s-2p_1/2)= 40.2(3)(6) meV (stat)(sys)) and δE^{142,150}(2s-2p_3/2) = 42.3(12)(20) meV of 2s-2p_j transitions were deduced. An evaluation of these values within a full QED treatment yields a change in the mean-square charge radius of ^{142,150}δ<r^2> = -1.36(1)(3) fm^2. The approach is conceptually new and combines the advantage of a simple atomic structure with high sensitivity to nuclear size.

10 pages, 3 figures, accepted for publication in Physical Review Letters

References in corpus (1)

• Dielectronic Resonance Method for Measuring Isotope Shifts

Cited by in corpus (13)

• All the Fun of the FAIR: Fundamental physics at the Facility for Antiproton and Ion Research
• Nuclear deformation effect on the binding energies in heavy ions
• Relativistic recoil, electron-correlation, and QED effects on the 2p_j-2s transition energies in Li-like ions
• Nuclear effects in atomic transitions
• Isotope Shifts in Beryllium-, Boron-, Carbon-, and Nitrogen-like Ions from Relativistic Configuration Interaction Calculations
• Electron-ion merged-beam experiments at heavy-ion storage rings
• Relativistic calculations of the isotope shifts in highly charged Li-like ions
• Parity nonconservation in radiative recombination of electrons with heavy hydrogenlike ions
• Recombination of open-f-shell tungsten ions
• Model-QED-operator approach to relativistic calculations of the nuclear recoil effect in many-electron atoms and ions
• Testing strong-field QED to second-order in the highly correlated atomic system berylliumlike Pb78+ by electron-ion recombination spectroscopy
• Electron-ion collision spectroscopy at the CRYRING@ESR electron cooler
• Dielectronic recombination studies on Fe${}^{2+}$