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Page 1
New Measurement Resolves Key Astrophysical Fe XVII Oscillator Strength Problem.
Kühn S, Cheung C, Oreshkina NS, Steinbrügge R, Togawa M, Bernitt S, Berger L, Buck J, Hoesch M, Seltmann J, Trinter F, Keitel CH, Kozlov MG, Porsev SG, Gu MF, Porter FS, Pfeifer T, Leutenegger MA, Harman Z, Safronova MS, López-Urrutia JRC, Shah C. Kühn S, et al. Among authors: bernitt s. Phys Rev Lett. 2022 Dec 9;129(24):245001. doi: 10.1103/PhysRevLett.129.245001. Phys Rev Lett. 2022. PMID: 36563261
A new benchmark of soft X-ray transition energies of Ne , CO 2 , and SF 6 : paving a pathway towards ppm accuracy.
Stierhof J, Kühn S, Winter M, Micke P, Steinbrügge R, Shah C, Hell N, Bissinger M, Hirsch M, Ballhausen R, Lang M, Gräfe C, Wipf S, Cumbee R, Betancourt-Martinez GL, Park S, Niskanen J, Chung M, Porter FS, Stöhlker T, Pfeifer T, Brown GV, Bernitt S, Hansmann P, Wilms J, Crepso López-Urrutia JR, Leutenegger MA. Stierhof J, et al. Among authors: bernitt s. Eur Phys J D At Mol Opt Phys. 2022;76(3):38. doi: 10.1140/epjd/s10053-022-00355-0. Epub 2022 Mar 1. Eur Phys J D At Mol Opt Phys. 2022. PMID: 35273463 Free PMC article.
High-Precision Determination of Oxygen K_{α} Transition Energy Excludes Incongruent Motion of Interstellar Oxygen.
Leutenegger MA, Kühn S, Micke P, Steinbrügge R, Stierhof J, Shah C, Hell N, Bissinger M, Hirsch M, Ballhausen R, Lang M, Gräfe C, Wipf S, Cumbee R, Betancourt-Martinez GL, Park S, Yerokhin VA, Surzhykov A, Stolte WC, Niskanen J, Chung M, Porter FS, Stöhlker T, Pfeifer T, Wilms J, Brown GV, Crespo López-Urrutia JR, Bernitt S. Leutenegger MA, et al. Among authors: bernitt s. Phys Rev Lett. 2020 Dec 11;125(24):243001. doi: 10.1103/PhysRevLett.125.243001. Phys Rev Lett. 2020. PMID: 33412031
High Resolution Photoexcitation Measurements Exacerbate the Long-Standing Fe XVII Oscillator Strength Problem.
Kühn S, Shah C, López-Urrutia JRC, Fujii K, Steinbrügge R, Stierhof J, Togawa M, Harman Z, Oreshkina NS, Cheung C, Kozlov MG, Porsev SG, Safronova MS, Berengut JC, Rosner M, Bissinger M, Ballhausen R, Hell N, Park S, Chung M, Hoesch M, Seltmann J, Surzhykov AS, Yerokhin VA, Wilms J, Porter FS, Stöhlker T, Keitel CH, Pfeifer T, Brown GV, Leutenegger MA, Bernitt S. Kühn S, et al. Among authors: bernitt s. Phys Rev Lett. 2020 Jun 5;124(22):225001. doi: 10.1103/PhysRevLett.124.225001. Phys Rev Lett. 2020. PMID: 32567918
Evidence of Extreme Ultraviolet Superfluorescence in Xenon.
Mercadier L, Benediktovitch A, Weninger C, Blessenohl MA, Bernitt S, Bekker H, Dobrodey S, Sanchez-Gonzalez A, Erk B, Bomme C, Boll R, Yin Z, Majety VP, Steinbrügge R, Khalal MA, Penent F, Palaudoux J, Lablanquie P, Rudenko A, Rolles D, Crespo López-Urrutia JR, Rohringer N. Mercadier L, et al. Among authors: bernitt s. Phys Rev Lett. 2019 Jul 12;123(2):023201. doi: 10.1103/PhysRevLett.123.023201. Phys Rev Lett. 2019. PMID: 31386513
The Heidelberg compact electron beam ion traps.
Micke P, Kühn S, Buchauer L, Harries JR, Bücking TM, Blaum K, Cieluch A, Egl A, Hollain D, Kraemer S, Pfeifer T, Schmidt PO, Schüssler RX, Schweiger C, Stöhlker T, Sturm S, Wolf RN, Bernitt S, Crespo López-Urrutia JR. Micke P, et al. Among authors: bernitt s. Rev Sci Instrum. 2018 Jun;89(6):063109. doi: 10.1063/1.5026961. Rev Sci Instrum. 2018. PMID: 29960545
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: bernitt s. 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
An unexpectedly low oscillator strength as the origin of the Fe XVII emission problem.
Bernitt S, Brown GV, Rudolph JK, Steinbrügge R, Graf A, Leutenegger M, Epp SW, Eberle S, Kubiček K, Mäckel V, Simon MC, Träbert E, Magee EW, Beilmann C, Hell N, Schippers S, Müller A, Kahn SM, Surzhykov A, Harman Z, Keitel CH, Clementson J, Porter FS, Schlotter W, Turner JJ, Ullrich J, Beiersdorfer P, López-Urrutia JR. Bernitt S, et al. Nature. 2012 Dec 13;492(7428):225-8. doi: 10.1038/nature11627. Nature. 2012. PMID: 23235875
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: bernitt s. 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
11 results