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- Centre National de la Recherche ScientifiqueFR585 papers
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15 papers · 2 filters
Penning-Trap Mass Measurement of Helium-4
Sangeetha Sasidharan, Olesia Bezrodnova, Sascha Rau +3
Light-Ion Trap (LIONTRAP), a high-precision Penning-trap mass spectrometer, was used to determine the atomic mass of He. Here, we report a 12 parts-per-trillion measurement o…
Electroweak Nuclear Properties from Single Molecular Ions in a Penning Trap
Jonas Karthein, Silviu-Marian Udrescu, Scott B. Moroch +10
We present a novel technique to probe electroweak nuclear properties by measuring parity violation (PV) in single molecular ions in a Penning trap. The trap's strong magnetic field…
High-precision determination of factors and masses of and
F. Heiße, M. Door, T. Sailer +13
We present the measurements of individual bound electron factors of and on the relative level of per billion. Th…
QED calculations of the nuclear recoil effect in muonic atoms
Vladimir A. Yerokhin, Natalia S. Oreshkina
The nuclear recoil effect, known also as the mass shift, is one of theoretical contributions to the energy levels in muonic atoms. Accurate theoretical predictions are therefore ne…
Trap-integrated fluorescence detection based on silicon photomultipliers in a cryogenic Penning trap
Markus Wiesinger, Florian Stuhlmann, Matthew A. Bohman +21
We present a fluorescence-detection system for laser-cooled 9Be+ ions based on silicon photomultipliers (SiPM) operated at 4 K and integrated into our cryogenic 1.9 T multi-Penning…
Stringent test of QED with hydrogenlike tin
J. Morgner, B. Tu, C. M. König +11
Inner-shell electrons naturally sense the electric field close to the nucleus, which can reach extreme values beyond for the innermost electrons. Espe…