Measurement of the P1/22−P3/22 fine-structure splitting in fluorinelike Kr, W, Re, Os, and Ir
| Autor: | Amy Gall, Randy Doriese, Endre Takacs, Paul Szypryt, Joseph W. Fowler, Andrey V. Volotka, Daniel S. Swetz, Galen C. O'Neil, S. Sanders, Yang Yang, Joel N. Ullom, Dipti, Samuel M. Brewer, Yuri Ralchenko, Joseph N. Tan, Aung Naing |
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| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Physical Review A. 102 |
| ISSN: | 2469-9934 2469-9926 |
| DOI: | 10.1103/physreva.102.032803 |
| Popis: | Quantum electrodynamics (QED) is currently considered to be one of the most accurate theories of fundamental interactions. As its extraordinary precision offers unique scientific opportunities, e.g., search for new physics, stringent experimental tests of QED continue to be of high importance. To this end, highly charged ions represent an exceptional test-bed due to enhanced QED effects. Recently, forbidden transitions in F-like ions have been analyzed to few ppm precision, resolving previous discrepancies between theory and experiment. Here we further test the accuracy of QED calculations with three new (Re, Os, Ir), and two improved (Kr, W) measurements of the $^{2}P_{1/2}\text{\ensuremath{-}}^{2}P_{3/2}$ transition energy in F-like ions using the NIST electron-beam ion trap and extreme-ultraviolet and x-ray spectrometers. Good agreement between theoretical and experimental energies is found for all considered elements. |
| Databáze: | OpenAIRE |
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