Phys. Rev. A 67, 052103 (2003) [4 pages]Measurement of the 3s1/2-3p3/2 resonance line in Na-like U81+Received 7 January 2003; published 20 May 2003 The wavelength of the 3s1/2-3p3/2 transition of Na-like U81+ was determined to be 9.49985±0.00015Å (1305.12±0.02eV), using the EBIT-I electron beam ion trap. The measurement is many times more sensitive to the radiative contributions from quantum electrodynamics than earlier measurements for Pt67+ and Pb71+. Our result strongly deviates from various predictions employing scaled hydrogenic quantum electrodynamic corrections and establishes a benchmark for multielectron QED calculations that agrees well with the trend established by ab initio calculations. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.052103
DOI:
10.1103/PhysRevA.67.052103
PACS:
12.20.Fv, 32.30.Rj
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