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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. Phys Rev Lett. 2022 Dec 9;129(24):245001. doi: 10.1103/PhysRevLett.129.245001. Phys Rev Lett. 2022. PMID: 36563261
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. Phys Rev Lett. 2020 Jun 5;124(22):225001. doi: 10.1103/PhysRevLett.124.225001. Phys Rev Lett. 2020. PMID: 32567918
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: kuhn s. Phys Rev Lett. 2020 Dec 11;125(24):243001. doi: 10.1103/PhysRevLett.125.243001. Phys Rev Lett. 2020. PMID: 33412031
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: kuhn 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.
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: kuhn s. Rev Sci Instrum. 2018 Jun;89(6):063109. doi: 10.1063/1.5026961. Rev Sci Instrum. 2018. PMID: 29960545
An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions.
Stark J, Warnecke C, Bogen S, Chen S, Dijck EA, Kühn S, Rosner MK, Graf A, Nauta J, Oelmann JH, Schmöger L, Schwarz M, Liebert D, Spieß LJ, King SA, Leopold T, Micke P, Schmidt PO, Pfeifer T, Crespo López-Urrutia JR. Stark J, et al. Among authors: kuhn s. Rev Sci Instrum. 2021 Aug 1;92(8):083203. doi: 10.1063/5.0046569. Rev Sci Instrum. 2021. PMID: 34470420
1,210 results