Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Stoehlker, Thomas"'
Autor:
Pfäfflein, Philip, Weber, Günter, Allgeier, Steffen, Andelkovic, Zoran, Bernitt, Sonja, Bondarev, Andrey I., Borovik, Alexander, Duval, Louis, Fleischmann, Andreas, Forstner, Oliver, Friedrich, Marvin, Glorius, Jan, Gumberidze, Alexandre, Hahn, Christoph, Hengstler, Daniel, Herdrich, Marc Oliver, Herfurth, Frank, Hillenbrand, Pierre-Michel, Kalinin, Anton, Kiffer, Markus, Kröger, Felix Martin, Kubullek, Maximilian, Kuntz, Patricia, Lestinsky, Michael, Litvinov, Yuri A., Löher, Bastian, Menz, Esther Babette, Over, Tobias, Petridis, Nikolaos, Ringleb, Stefan, Sighu, Ragandeep Singh, Spillmann, Uwe, Trotsenko, Sergiy, Warczak, Andrzej, Zhu, Binghui, Enss, Christian, Stöhlker, Thomas
Using novel metallic magnetic calorimeter detectors at the CRYRING@ESR, we recorded X-ray spectra of stored and electron cooled helium-like uranium (U$^{90+}$) with an unmatched spectral resolution of close to 90 eV. This allowed for an accurate dete
Externí odkaz:
http://arxiv.org/abs/2407.04166
Autor:
Maiorova, Anna V., Karlovets, Dmitry, Fritzsche, Stephan, Surzhykov, Andrey, Stöhlker, Thomas
Coulomb excitation of hydrogen atoms by vortex protons is theoretically investigated within the framework of the non--relativistic first--Born approximation and the density matrix approach. Special attention is paid to the magnetic sublevel populatio
Externí odkaz:
http://arxiv.org/abs/2403.17521
Autor:
Marsic, Nicolas, Müller, Wolfgang F. O., Tympel, Volker, Stöhlker, Thomas, Stapelfeld, Max, Schmidl, Frank, Schmelz, Matthias, Zakosarenko, Vyacheslav, Stolz, Ronny, Haider, David, Sieber, Thomas, Schwickert, Marcus, De Gersem, Herbert
Publikováno v:
IEEE Transactions on Applied Superconductivity, vol. 32, no. 9, pp. 1-9, Art no. 2500409, 2022
This paper studies the impact of mechanical deformations on the performance of a coaxial-type cryogenic current comparator (CCC). Such deformations may become a concern as the size of the CCC increases (e.g. when used as a diagnostic device in a part
Externí odkaz:
http://arxiv.org/abs/2211.11313
Autor:
Sánchez, Rodolfo, Braeuning-Demian, Angela, Glorius, Jan, Kalinin, Anton, Hagmann, Siegbert, Hillenbrand, Pierre-Michel, Litvinov, Yuri A., Köhler, Thomas, Petridis, Nikolaos, Sanjari, Shahab, Spillmann, Uwe, Stöhlker, Thomas
The atomic physic collaboration SPARC is a part of the APPA pillar at the future Facility for Antiproton and Ion Research. It aims for atomic-physics research across virtually the full range of atomic matter. A research area of the atomic physics exp
Externí odkaz:
http://arxiv.org/abs/2010.13906
Autor:
Togawa, Moto, Kühn, Steffen, Shah, Chintan, Amaro, Pedro, Steinbrügge, René, Stierhof, Jakob, Hell, Natalie, Rosner, Michael, Fujii, Keisuke, Bissinger, Matthias, Ballhausen, Ralf, Hoesch, Moritz, Seltmann, Jörn, Park, SungNam, Grilo, Filipe, Porter, F. Scott, Santos, José Paulo, Chung, Moses, Stöhlker, Thomas, Wilms, Jörn, Pfeifer, Thomas, Brown, Gregory V., Leutenegger, Maurice A., Bernitt, Sven, López-Urrutia, José R. Crespo
Publikováno v:
Physical Review A 102, 052831 (2020)
We resonantly excite the $K$ series of O$^{5+}$ and O$^{6+}$ up to principal quantum number $n=11$ with monochromatic x rays, producing $K$-shell holes, and observe their relaxation by soft-x-ray emission. Some photoabsorption resonances of O$^{5+}$
Externí odkaz:
http://arxiv.org/abs/2003.05965
Autor:
Kühn, Steffen, Shah, Chintan, López-Urrutia, José R. Crespo, Fujii, Keisuke, Steinbrügge, René, Stierhof, Jakob, Togawa, Moto, Harman, Zoltán, Oreshkina, Natalia S., Cheung, Charles, Kozlov, Mikhail G., Porsev, Sergey G., Safronova, Marianna S., Berengut, Julian C., Rosner, Michael, Bissinger, Matthias, Ballhausen, Ralf, Hell, Natalie, Park, SungNam, Chung, Moses, Hoesch, Moritz, Seltmann, Jörn, Surzhykov, Andrey S., Yerokhin, Vladimir A., Wilms, Jörn, Porter, F. Scott, Stöhlker, Thomas, Keitel, Christoph H., Pfeifer, Thomas, Brown, Gregory V., Leutenegger, Maurice A., Bernitt, Sven
Publikováno v:
Phys. Rev. Lett. 124, 225001 (2020)
For more than 40 years, most astrophysical observations and laboratory studies of two key soft x-ray diagnostic $2p-3d$ transitions, $3C$ and $3D$, in Fe XVII ions found oscillator strength ratios $f(3C)/f(3D)$ disagreeing with theory, but uncertaint
Externí odkaz:
http://arxiv.org/abs/1911.09707
Autor:
Hagmann, Siegbert, Hillenbrand, Pierre-Michel, Litvinov, Yurij, Spillmann, Uwe, Stöhlker, Thomas
We report an analysis of electron-optical properties of a toroidal magnetic sector spectrometer and examine parameters for its implementation in a relativistic heavy-ion storage ring like HESR. For studies of free-free pair production in heavy-ion at
Externí odkaz:
http://arxiv.org/abs/1908.01019
Autor:
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
Publikováno v:
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 Ion Research in Darmstadt, Germany, has successfully determined the ground state hyperfine (HFS) splittings in hydrogen-like ($^{209}\rm{Bi}
Externí odkaz:
http://arxiv.org/abs/1812.05983
Autor:
Amaro, Pedro, Loureiro, Ulisses, Safari, Laleh, Fratini, Filippo, Indelicato, Paul, Stöhlker, Thomas, Santos, José Paulo
Publikováno v:
P. Amaro et al, Phys. Rev. A 97, 022510, 2018, https://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.022510
We investigate the quantum interference induced shifts between energetically close states in highly charged ions, with the energy structure being observed by laser spectroscopy. In this work, we focus on hyperfine states of lithiumlike heavy-$Z$ isot
Externí odkaz:
http://arxiv.org/abs/1802.07920
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