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High precision hyperfine measurements in Bismuth challenge bound-state strong-field QED.
Ullmann J, Andelkovic Z, Brandau C, Dax A, Geithner W, Geppert C, Gorges C, Hammen M, Hannen V, Kaufmann S, König K, Litvinov YA, Lochmann M, Maaß B, Meisner J, Murböck T, Sánchez R, Schmidt M, Schmidt S, Steck M, Stöhlker T, Thompson RC, Trageser C, Vollbrecht J, Weinheimer C, Nörtershäuser W. Ullmann J, et al. Nat Commun. 2017 May 16;8:15484. doi: 10.1038/ncomms15484. Nat Commun. 2017. PMID: 28508892 Free PMC article.
New Nuclear Magnetic Moment of ^{209}Bi: Resolving the Bismuth Hyperfine Puzzle.
Skripnikov LV, Schmidt S, Ullmann J, Geppert C, Kraus F, Kresse B, Nörtershäuser W, Privalov AF, Scheibe B, Shabaev VM, Vogel M, Volotka AV. Skripnikov LV, et al. Among authors: ullmann j. Phys Rev Lett. 2018 Mar 2;120(9):093001. doi: 10.1103/PhysRevLett.120.093001. Phys Rev Lett. 2018. PMID: 29547322
A recent measurement of the hyperfine splitting in the ground state of Li-like ^{208}Bi^{80+} has established a "hyperfine puzzle"-the experimental result exhibits a 7sigma deviation from the theoretical prediction [J. Ullmann et al., Nat. Commun. 8, 15484 (2017)NCA …
A recent measurement of the hyperfine splitting in the ground state of Li-like ^{208}Bi^{80+} has established a "hyperfine puzzle"-the exper …
Laser spectroscopy of the [Formula: see text], [Formula: see text] transitions in stored and cooled relativistic C[Formula: see text] ions.
Winzen D, Hannen V, Bussmann M, Buß A, Egelkamp C, Eidam L, Huang Z, Kiefer D, Klammes S, Kühl T, Loeser M, Ma X, Nörtershäuser W, Ortjohann HW, Sánchez R, Siebold M, Stöhlker T, Ullmann J, Vollbrecht J, Walther T, Wang H, Weinheimer C, Winters DFA. Winzen D, et al. Among authors: ullmann j. Sci Rep. 2021 Apr 30;11(1):9370. doi: 10.1038/s41598-021-88926-w. Sci Rep. 2021. PMID: 33931715 Free PMC article.
Publisher Correction: Laser spectroscopy of the [Formula: see text], [Formula: see text] transitions in stored and cooled relativistic [Formula: see text] ions.
Winzen D, Hannen V, Bussmann M, Buß A, Egelkamp C, Eidam L, Huang Z, Kiefer D, Klammes S, Kühl T, Loeser M, Ma X, Nörtershäuser W, Ortjohann HW, Sánchez R, Siebold M, Stöhlker T, Ullmann J, Vollbrecht J, Walther T, Wang H, Weinheimer C, Winters DFA. Winzen D, et al. Among authors: ullmann j. Sci Rep. 2021 Aug 30;11(1):17660. doi: 10.1038/s41598-021-97511-0. Sci Rep. 2021. PMID: 34462550 Free PMC article. No abstract available.
Abrupt change in radiation-width distribution for 147Sm neutron resonances.
Koehler PE, Reifarth R, Ullmann JL, Bredeweg TA, O'Donnell JM, Rundberg RS, Vieira DJ, Wouters JM. Koehler PE, et al. Among authors: ullmann jl. Phys Rev Lett. 2012 Apr 6;108(14):142502. doi: 10.1103/PhysRevLett.108.142502. Epub 2012 Apr 3. Phys Rev Lett. 2012. PMID: 22540788
New precision measurements of the 235U(n,γ) cross section.
Jandel M, Bredeweg TA, Bond EM, Chadwick MB, Couture A, O'Donnell JM, Fowler M, Haight RC, Kawano T, Reifarth R, Rundberg RS, Ullmann JL, Vieira DJ, Wouters JM, Wilhelmy JB, Wu CY, Becker JA. Jandel M, et al. Among authors: ullmann jl. Phys Rev Lett. 2012 Nov 16;109(20):202506. doi: 10.1103/PhysRevLett.109.202506. Epub 2012 Nov 16. Phys Rev Lett. 2012. PMID: 23215479
Proton-induced cross sections relevant to production of 225Ac and 223Ra in natural thorium targets below 200 MeV.
Weidner JW, Mashnik SG, John KD, Hemez F, Ballard B, Bach H, Birnbaum ER, Bitteker LJ, Couture A, Dry D, Fassbender ME, Gulley MS, Jackman KR, Ullmann JL, Wolfsberg LE, Nortier FM. Weidner JW, et al. Among authors: ullmann jl. Appl Radiat Isot. 2012 Nov;70(11):2602-7. doi: 10.1016/j.apradiso.2012.07.006. Epub 2012 Jul 11. Appl Radiat Isot. 2012. PMID: 22940414
225Ac and 223Ra production via 800 MeV proton irradiation of natural thorium targets.
Weidner JW, Mashnik SG, John KD, Ballard B, Birnbaum ER, Bitteker LJ, Couture A, Fassbender ME, Goff GS, Gritzo R, Hemez FM, Runde W, Ullmann JL, Wolfsberg LE, Nortier FM. Weidner JW, et al. Among authors: ullmann jl. Appl Radiat Isot. 2012 Nov;70(11):2590-5. doi: 10.1016/j.apradiso.2012.07.003. Epub 2012 Jul 10. Appl Radiat Isot. 2012. PMID: 22944532
95 results