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physics.atom-ph2014★ 19 cited
New x-ray measurements in Helium-like Atoms increase discrepancy between experiment and theoretical QED
Christopher T. Chantler, Andrew T. Payne, John D. Gillaspy +5
A recent 15 parts-per-million (ppm) experiment on muonic hydrogen found a major discrepancy with QED and independent nuclear size determinations. Here we find a significant discrep…
physics.atom-ph2012
A vacuum double-crystal spectrometer for reference-free highly charged ions X-ray spectroscopy
P. Amaro, C. I. Szabo, S. Schlesser +10
We have built a vacuum double crystal spectrometer, which coupled to an electron-cyclotron resonance ion source, allows to measure low-energy x-ray transitions in highly-charged io…