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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: leutenegger ma. Phys Rev Lett. 2022 Dec 9;129(24):245001. doi: 10.1103/PhysRevLett.129.245001. Phys Rev Lett. 2022. PMID: 36563261
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
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: leutenegger ma. 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. Phys Rev Lett. 2020 Dec 11;125(24):243001. doi: 10.1103/PhysRevLett.125.243001. Phys Rev Lett. 2020. PMID: 33412031 Free article.
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: leutenegger ma. 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.
Upgrades to x-ray microcalorimeter fusion diagnostic to improve calibration, spectral bandwidth selection, and count rate adjustment.
Kubala SZ, Beatty CB, Beiersdorfer P, Brown GV, Den Hartog DJ, Eckart ME, Flores-Alimboyoguen HJ, Hell N, Kelley RL, Kilbourne CA, Leutenegger MA, Magee EW, Porter FS, Witthoeft MC. Kubala SZ, et al. Among authors: leutenegger ma. Rev Sci Instrum. 2024 Dec 1;95(12):123516. doi: 10.1063/5.0219592. Rev Sci Instrum. 2024. PMID: 39737518
15 results