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Impact of the drift length on the performance of MR-ToF devices
/ Maier, F M (CERN ; Greifswald U. ; TRIUMF ; Unlisted, US) ; Buchinger, F (McGill U.) ; Costa, B Arderucio (Troy U.) ; Heylen, H (CERN) ; Kanitz, C (CERN) ; Kwiatkowski, A A (TRIUMF) ; Lagaki, V (CERN ; Greifswald U.) ; Lechner, S (CERN) ; Leistenschneider, E (CERN ; LBNL, Berkeley) ; Neyens, G (CERN ; Leuven U.) et al.
Multi-Reflection Time-of-Flight (MR-ToF) devices are powerful tools for high-precision mass spectrometry, highly selective and high-flux mass separation as well as, most recently, for highly sensitive laser spectroscopic applications. In this work, various ion-optical simulations are conducted to provide insights into optimizing the design of the MR-ToF apparatus to enhance performance across its diverse application fields. [...]
2025
- Published in : Nucl. Instrum. Methods Phys. Res., A 1075 (2025) 170365
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Real-time antiproton annihilation vertexing with submicrometer resolution
/ AEḡIS Collaboration
The primary goal of the AEgIS experiment is to precisely measure the free fall of antihydrogen within Earth's gravitational field. To this end, a cold ~50K antihydrogen beam has to pass through two grids forming a moiré deflectometer before annihilating onto a position-sensitive detector, which shall determine the vertical position of the annihilation vertex relative to the grids with micrometric accuracy. [...]
arXiv:2406.16044.-
2025-04-04 - 10 p.
- Published in : Sci. Adv. 11 (2025) ads1176
Fulltext: 2406.16044 - PDF; document - PDF;
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Simulations of a cryogenic, buffer-gas filled Paul trap for low-emittance ion bunches
/ Lechner, S (CERN ; Vienna, Tech. U. ; McGill U.) ; Sels, S (CERN) ; Belosevic, I (TRIUMF) ; Buchinger, F (McGill U.) ; Fischer, P (Greifswald U.) ; Kanitz, C (Erlangen - Nuremberg U.) ; Lagaki, V (CERN ; Greifswald U.) ; Maier, F M (CERN ; Greifswald U.) ; Plattner, P (CERN ; Innsbruck U.) ; Schweikhard, L (Greifswald U.) et al.
Many experiments with pulsed ion beams benefit from or even require ion bunches with both small temporal width as well as small energy spread. To achieve optimal ion-beam preparation, a buffer-gas filled cryogenic Paul trap is being developed in the context of the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy (MIRACLS). [...]
2024 - 13 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1065 (2024) 169471
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Testing the mass separation capabilities of the new ISOLDE isobar separator
/ Nies, L (CERN, Switzerland) ; Fischer, P (University of Greifswald, Germany) ; Giesel, P F (University of Greifswald, Germany) ; Lange, D (MPIK, Germany) ; Lechner, S (CERN, Switzerland) ; Maier, F M (FRIB, USA) ; Malbrunot-Ettenauer, S (TRIUMF, Canada) ; Roitman, A (McGill University, Canada) ; Schmidt, A (Technical University of Darmstadt, Germany) ; Schweikhard, L (University of Greifswald, Germany) et al.
CERN-INTC-2024-043 ; INTC-I-279.
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2024.
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7.
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Increased beam energy as a pathway towards a highly selective and high-flux MR-ToF mass separator
/ Maier, F M (CERN ; Greifswald U.) ; Buchinger, F (McGill U.) ; Croquette, L (McGill U.) ; Fischer, P (Greifswald U.) ; Heylen, H (CERN) ; Hummer, F (CERN ; McGill U.) ; Kanitz, C (CERN) ; Kwiatkowski, A A (TRIUMF) ; Lagaki, V (CERN) ; Lechner, S (CERN ; McGill U.) et al.
Many experiments at radioactive ion beam (RIB) facilities suffer from isobaric contamination, i.e. unwanted
ions of similar mass. [...]
2023 - 17 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1056 (2023) 168545
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Simulation studies of a 30-keV MR-ToF device for highly sensitive collinear laser spectroscopy
/ Maier, F M (CERN ; Greifswald U.) ; Vilen, M (CERN) ; Belosevic, I (TRIUMF) ; Buchinger, F (McGill U.) ; Kanitz, C (CERN ; Erlangen - Nuremberg U.) ; Lechner, S (CERN ; McGill U.) ; Leistenschneider, E (CERN) ; Nörtershäuser, W (Darmstadt, Tech. U.) ; Plattner, P (CERN ; Innsbruck U.) ; Schweikhard, L (Greifswald U.) et al.
The Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy (MIRACLS) seeks to extend the reach of high-resolution collinear laser spectroscopy (CLS) to more exotic radionuclides. In this novel technique, ion bunches of short-lived radioisotopes are trapped between two electrostatic mirrors of a Multi-Reflection Time-of-Flight (MR-ToF) device at 30-keV kinetic energy. [...]
2023 - 14 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1048 (2023) 167927
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Doppler and sympathetic cooling for the investigation of short-lived radioactive ions
/ Sels, S (CERN ; Leuven U.) ; Maier, F M (CERN ; Greifswald U.) ; Au, M (CERN ; Mainz U.) ; Fischer, P (Greifswald U.) ; Kanitz, C (CERN) ; Lagaki, V (CERN ; Greifswald U.) ; Lechner, S (CERN ; TU Vienna) ; Leistenschneider, E (CERN) ; Leimbach, D (CERN ; Mainz U., Inst. Phys. ; U. Gothenburg (main)) ; Lykiardopoulou, E M (British Columbia U. ; TRIUMF) et al.
At radioactive ion beam (RIB) facilities, ions of short-lived radionuclides are cooled and bunched in buffergas-filled Paul traps to improve the ion-beam quality for subsequent experiments. To deliver even colder ions, beneficial to RIB experiments’ sensitivity or accuracy, we employ Doppler and sympathetic cooling in a Paul trap cooler-buncher. [...]
2022 - 19 p.
- Published in : Phys. Rev. Res. 4 (2022) 033229
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An accuracy benchmark of the MIRACLS apparatus: Conventional, single-passage collinear laser spectroscopy inside a MR-ToF device
/ Lagaki, V (CERN ; Greifswald U.) ; Heylen, H (CERN) ; Belosevic, I (TRIUMF) ; Fischer, P (Greifswald U.) ; Kanitz, C (CERN ; Erlangen - Nuremberg U.) ; Lechner, S (CERN ; TU Vienna) ; Maier, F M (CERN ; Greifswald U.) ; Nörtershäuser, W (Darmstadt, Tech. U.) ; Plattner, P (CERN ; Innsbruck U.) ; Rosenbusch, M (Greifswald U.) et al.
Collinear laser spectroscopy (CLS) has been performed in a multi-reflection time-of-flight (MR-ToF) device operated in single-pass mode, i.e., without confining the ions in the ion trap. While our Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy (MIRACLS) aims to increase the CLS sensitivity by storing ions in the MR-ToF device, the present work characterises conventional single-passage CLS as a preparatory step for the upcoming comparison with MIRACLS’ multi-pass mode. [...]
2021 - 10 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1014 (2021) 165663
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