Bennett, D.
, Doriese, W.
, Durkin, M.
, Fowler, J.
, Gard, J.
, Hilton, G.
, Morgan, K.
, O'Neil, G.
, Reintsema, C.
, Schmidt, D.
, Swetz, D.
, Ullom, J.
and Okumura, T.
(2023),
Proof-of-Principle Experiment for Testing Strong-Field Quantum Electrodynamics with Exotic Atoms: High Precision X-Ray Spectroscopy of Muonic Neon, Physical Review Letters, [online], https://doi.org/10.1103/PhysRevLett.130.173001, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933664
(Accessed November 21, 2024)
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Proof-of-Principle Experiment for Testing Strong-Field Quantum Electrodynamics with Exotic Atoms: High Precision X-Ray Spectroscopy of Muonic Neon
Published
Author(s)
, , , , , , , , , , , , Takuma Okumura
Abstract
To test the bound-state quantum electrodynamics (BSQED), we have performed high precision x- ray spectroscopy of the 5g→4f and 5f→4d transitions (BSQED contribution of 2.4 eV and 5.2 eV, respectively) of muonic neons in the low-pressure gas phase under the condition without bound electrons. Muonic atoms have been recently proposed as an alternative to few-electron high-Z ions for BSQED tests by focusing on circular Rydberg states where nuclear contributions vanish. We determined the 5g9/2→4f7/2 transition energy to be 6297.27 eV (statistical error: 0.04 eV, systematic error: 0.13 eV) using superconducting transition-edge sensor microcalorimeters (5.2-5.5 eV FWHM resolution), which agrees well with the most-advanced BSQED theoretical prediction of 6297.26 eV.Citation
Physical Review Letters
Volume
130
Pub Type
Journals
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Created April 27, 2023, Updated August 21, 2023