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Identification of the predicted 5s-4f level crossing optical lines with applications to metrology and searches for the variation of fundamental constants.
Windberger A, Crespo López-Urrutia JR, Bekker H, Oreshkina NS, Berengut JC, Bock V, Borschevsky A, Dzuba VA, Eliav E, Harman Z, Kaldor U, Kaul S, Safronova UI, Flambaum VV, Keitel CH, Schmidt PO, Ullrich J, Versolato OO. Windberger A, et al. Among authors: ullrich j. Phys Rev Lett. 2015 Apr 17;114(15):150801. doi: 10.1103/PhysRevLett.114.150801. Epub 2015 Apr 16. Phys Rev Lett. 2015. PMID: 25933300
Exploring relativistic many-body recoil effects in highly charged ions.
Orts RS, Harman Z, López-Urrutia JR, Artemyev AN, Bruhns H, Martínez AJ, Jentschura UD, Keitel CH, Lapierre A, Mironov V, Shabaev VM, Tawara H, Tupitsyn II, Ullrich J, Volotka AV. Orts RS, et al. Among authors: ullrich j. Phys Rev Lett. 2006 Sep 8;97(10):103002. doi: 10.1103/PhysRevLett.97.103002. Epub 2006 Sep 6. Phys Rev Lett. 2006. PMID: 17025810
Testing QED screening and two-loop contributions with He-Like ions.
Bruhns H, Braun J, Kubicek K, Crespo López-Urrutia JR, Ullrich J. Bruhns H, et al. Among authors: ullrich j. Phys Rev Lett. 2007 Sep 14;99(11):113001. doi: 10.1103/PhysRevLett.99.113001. Epub 2007 Sep 11. Phys Rev Lett. 2007. PMID: 17930432
Resonant and near-threshold photoionization cross sections of Fe14+.
Simon MC, López-Urrutia JR, Beilmann C, Schwarz M, Harman Z, Epp SW, Schmitt BL, Baumann TM, Behar E, Bernitt S, Follath R, Ginzel R, Keitel CH, Klawitter R, Kubiček K, Mäckel V, Mokler PH, Reichardt G, Schwarzkopf O, Ullrich J. Simon MC, et al. Among authors: ullrich j. Phys Rev Lett. 2010 Oct 29;105(18):183001. doi: 10.1103/PhysRevLett.105.183001. Epub 2010 Oct 27. Phys Rev Lett. 2010. PMID: 21231102
Prominent higher-order contributions to electronic recombination.
Beilmann C, Mokler PH, Bernitt S, Keitel CH, Ullrich J, López-Urrutia JR, Harman Z. Beilmann C, et al. Among authors: ullrich j. Phys Rev Lett. 2011 Sep 30;107(14):143201. doi: 10.1103/PhysRevLett.107.143201. Epub 2011 Sep 29. Phys Rev Lett. 2011. PMID: 22107193
X-ray resonant photoexcitation: linewidths and energies of Kα transitions in highly charged Fe ions.
Rudolph JK, Bernitt S, Epp SW, Steinbrügge R, Beilmann C, Brown GV, Eberle S, Graf A, Harman Z, Hell N, Leutenegger M, Müller A, Schlage K, Wille HC, Yavaş H, Ullrich J, Crespo López-Urrutia JR. Rudolph JK, et al. Among authors: ullrich j. Phys Rev Lett. 2013 Sep 6;111(10):103002. doi: 10.1103/PhysRevLett.111.103002. Epub 2013 Sep 5. Phys Rev Lett. 2013. PMID: 25166661
280 results