Testing high-Z QED with SuperEBIT: An estimate of the U91+ 1s two-loop Lamb shift based on a measurement of the 2s1/2 - 2p1/2 transition in U89+
Journal Article
·
· Radiation Phyiscs and Chemistry, vol. 75, N/A, November 30, 2004, pp. 1757-1762
OSTI ID:902889
Starting from the results of a recent measurement of the 2s{sub 1/2}-2p{sub 1/2} transition in U{sup 89+} has been made on the SuperEBIT electron beam ion trap, which provided a determination of the 2s two-loop QED contribution, we estimate 1.27 {+-} 0.45 eV for the two-loop contribution to the 1s level in U{sup 91+}. This estimate could be improved by a factor of two or more, if the uncertainties associated with the three-photon exchange in the theoretical calculations were eliminated in the future.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 902889
- Report Number(s):
- UCRL-JRNL-217517
- Journal Information:
- Radiation Phyiscs and Chemistry, vol. 75, N/A, November 30, 2004, pp. 1757-1762, Journal Name: Radiation Phyiscs and Chemistry, vol. 75, N/A, November 30, 2004, pp. 1757-1762 Vol. 75
- Country of Publication:
- United States
- Language:
- English
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