Search Results - "Ullmann, Johannes"

High precision hyperfine measurements in Bismuth challenge bound-state strong-field QED by Ullmann, Johannes, Andelkovic, Zoran, Brandau, Carsten, Dax, Andreas, Geithner, Wolfgang, Geppert, Christopher, Gorges, Christian, Hammen, Michael, Hannen, Volker, Kaufmann, Simon, König, Kristian, Litvinov, Yuri A., Lochmann, Matthias, Maaß, Bernhard, Meisner, Johann, Murböck, Tobias, Sánchez, Rodolfo, Schmidt, Matthias, Schmidt, Stefan, Steck, Markus, Stöhlker, Thomas, Thompson, Richard C., Trageser, Christian, Vollbrecht, Jonas, Weinheimer, Christian, Nörtershäuser, Wilfried

“…Electrons bound in highly charged heavy ions such as hydrogen-like bismuth 209 Bi 82+ experience electromagnetic fields that are a million times stronger than…”
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New Nuclear Magnetic Moment of Bi 209 : Resolving the Bismuth Hyperfine Puzzle by Skripnikov, Leonid V., Schmidt, Stefan, Ullmann, Johannes, Geppert, Christopher, Kraus, Florian, Kresse, Benjamin, Nörtershäuser, Wilfried, Privalov, Alexei F., Scheibe, Benjamin, Shabaev, Vladimir M., Vogel, Michael, Volotka, Andrey V.

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New Nuclear Magnetic Moment of ^sup 209^Bi: Resolving the Bismuth Hyperfine Puzzle by Skripnikov, Leonid V, Schmidt, Stefan, Ullmann, Johannes, Geppert, Christopher, Kraus, Florian, Kresse, Benjamin, Nörtershäuser, Wilfried, Privalov, Alexei F, Scheibe, Benjamin, Shabaev, Vladimir M, Vogel, Michael, Volotka, Andrey V

“…A recent measurement of the hyperfine splitting in the ground state of Li-like 208Bi80+ has established a “hyperfine puzzle”-the experimental result exhibits a…”
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Reconsidering the costs of commitment: Learning and state acceptance of the UN human rights treaties’ individual complaint procedures by Ullmann, Andreas Johannes

“…Abstract How do states react to adverse decisions resulting from human rights treaties’ individual complaint procedures? While recent scholarship has shown…”
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New Nuclear Magnetic Moment of ^{209}Bi: Resolving the Bismuth Hyperfine Puzzle by Skripnikov, Leonid V, Schmidt, Stefan, Ullmann, Johannes, Geppert, Christopher, Kraus, Florian, Kresse, Benjamin, Nörtershäuser, Wilfried, Privalov, Alexei F, Scheibe, Benjamin, Shabaev, Vladimir M, Vogel, Michael, Volotka, Andrey V

“…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…”
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High Voltage Metrology with Collinear Laser Spectroscopy by Kramer, Jorg, Konig, Kristian, Geppert, Christopher, Imgram, PhilliP, MaaB, Bernhard, Meisner, Johann, Otten, Ernst Wilhelm, Passon, Stephan, Ratajczyk, Tim, Ullmann, Johannes, Nortershauser, Wilfried

“…We present results of laser spectroscopic high voltage measurements on the 5 ppm relative uncertainty level using a pump and probe scheme on Ca+ ions. With the…”
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Demonstration of the two-chamber approach for high-voltage measurements using collinear laser spectroscopy by Will, Elisa, Ullmann, Johannes, Frömmgen, Nadja, Geppert, Christopher, Gorges, Christian, Hammen, Michael, Kaufmann, Simon, Krieger, Andreas, Nörtershäuser, Wilfried

“…An electronic measurement of high-voltages of several ten kV with accuracy as required for precision experiments is currently only feasible using highly…”
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New Nuclear Magnetic Moment of $^{209}$Bi - Resolving the Bismuth Hyperfine Puzzle by Skripnikov, Leonid V, Schmidt, Stefan, Ullmann, Johannes, Geppert, Christopher, Kraus, Florian, Kresse, Benjamin, Nörtershäuser, Wilfried, Privalov, Alexei F, Scheibe, Benjamin, Shabaev, Vladimir M, Vogel, Michael, Volotka, Andrey V

“…Phys. Rev. Lett., 120, 093001 (2018) A recent measurement of the hyperfine splitting in the ground state of Li-like $^{209}$Bi$^{80+}$ has established a…”
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Lifetimes and g-factors of the HFS states in H-like and Li-like bismuth by Hannen, Volker, Vollbrecht, Jonas, Andelkovic, Zoran, Brandau, Carsten, Dax, Andreas, Geithner, Wolfgang, Geppert, Christopher, Gorges, Christian, Hammen, Michael, Kaufmann, Simon, König, Kristian, Litvinov, Yuri A, Lochmann, Matthias, Maaß, Bernhard, Meisner, Johann, Murböck, Tobias, Sánchez, Rodolfo, Schmidt, Matthias, Schmidt, Stefan, Steck, Markus, Stöhlker, Thomas, Thompson, Richard C, Trageser, Christian, Ullmann, Johannes, Weinheimer, Christian, Nörtershäuser, Wilfried

“…J. Phys. B: At. Mol. Opt. Phys. 52 (2019) 085003 The LIBELLE experiment performed at the experimental storage ring (ESR) at the GSI Helmholtz Center for Heavy…”
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