Search Results - "Wienholtz, Frank"
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The NEXT Project: Towards Production and Investigation of Neutron-Rich Heavy Nuclides
Published in Atoms (01-06-2022)“…The heaviest actinide elements are only accessible in accelerator-based experiments on a one-atom-at-a-time level. Usually, fusion–evaporation reactions are…”
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Fluorescence detection as a new diagnostics tool for electrostatic ion beam traps
Published in Hyperfine interactions (2019)“…In the development towards the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy (MIRACLS), an optical detection region for the observation of…”
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Design and characterization of an antiproton deceleration beamline for the PUMA experiment
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-05-2024)“…We report on the design and characterization of an antiproton deceleration beamline, based on a pulsed drift tube, for the PUMA experiment at the Antimatter…”
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Upgrades at ClusterTrap and latest results
Published in International journal of mass spectrometry (15-05-2014)“…[Display omitted] •Polyanionic metal clusters are produced in ion traps by electron attachment.•The mass limit of the Penning trap restricts the achievable…”
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First steps in the development of the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-01-2020)“…Collinear laser spectroscopy (CLS) has been combined with the multi-reflection time-of-flight (MR-ToF) technique. To this end, a photodetection system has been…”
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Direct decay-energy measurement as a route to the neutrino mass
Published in Hyperfine interactions (2019)“…A high-precision measurement of the 131 Cs→ 131 Xe ground-to-ground-state electron-capture Q EC -value was performed using the ISOLTRAP mass spectrometer at…”
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Towards ultrahigh-resolution multi-reflection time-of-flight mass spectrometry at ISOLTRAP
Published in Physica Scripta (01-11-2015)“…The mass resolving power of the multi-reflection time-of-flight mass spectrometer of ISOLTRAP was studied by monitoring 39K+ signals. A drift tube at the…”
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Journal Article Conference Proceeding -
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Lifting of the trapping potential during ion storage for multi-anion production in a Penning trap
Published in International journal of mass spectrometry (01-03-2012)“…[Display omitted] ► Multi-anionic clusters are produced in a Penning trap by electron attachment. ► For higher charge states, the Coulomb barrier interferes…”
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Appearance size of poly-anionic aluminum clusters, Aln z-, z = 2–5
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-02-2013)Get full text
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Appearance size of poly-anionic aluminum clusters, Alz―n, z = 2―5
Published in The European physical journal. D, Atomic, molecular, and optical physics (2013)Get full text
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Appearance size of poly-anionic aluminum clusters, Alnz-, z = 2–5
Published in The European physical journal. D, Atomic, molecular, and optical physics (2013)“…The production of poly-anionic metal clusters by simultaneous storage of electrons and cluster anions in a Penning trap has been extended to the fifth charge…”
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Kernstruktur von Exoten
Published in Physik in unserer Zeit (01-09-2013)“…Die Massen von Radionukliden sind wichtig, um Kernmodelle zu testen oder astrophysikalische Fragestellungen, wie den Aufbau von Neutronensternen, zu…”
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Development and commissioning of ion-optical elements for ion and antiproton beams with energies up to 5 keV
Published 22-10-2024“…In nuclear and atomic physics experiments, charged ion beams often need to be guided from the ion production to the experimental site. In the PUMA experiment,…”
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Kernstruktur von Exoten
Published in Physik in unserer Zeit (01-09-2013)“…Die Massen von Radionukliden sind wichtig, um Kernmodelle zu testen oder astrophysikalische Fragestellungen, wie den Aufbau von Neutronensternen, zu…”
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Journal Article -
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Direct decay-energy measurement as a route to the neutrino mass
Published 14-05-2019“…A high-precision measurement of the $^{131}$Cs$ \rightarrow ^{131}$Xe ground-to-ground-state electron-capture $Q_{\textrm{EC}}$-value was performed using the…”
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Examining the $N$ = 28 shell closure through high-precision mass measurements of $^{46-48}$Ar
Published 04-06-2020“…Phys. Rev. C 102, 014301 (2020) The strength of the $N$ = 28 magic number in neutron-rich argon isotopes is examined through high-precision mass measurements…”
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Q_{\textrm{EC}}$-value determination for $^{21}$Na$\rightarrow^{21}$Ne and $^{23}$Mg$\rightarrow^{23}$Na mirror-nuclei decays using high-precision mass spectrometry with ISOLTRAP at ISOLDE/CERN
Published 04-06-2019“…Phys. Rev. C 100, 015502 (2019) We report on high-precision $Q_{\textrm{EC}}$ values of the $^{21}$Na$\rightarrow^{21}$Ne and $^{23}$Mg$\rightarrow^{23}$Na…”
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Precision Mass Measurement of $^{58-63}$Cr: Nuclear Collectivity towards the \emph{N}=40 Island of Inversion
Published 12-08-2018“…Physical Review Letters 120, 232501 (2018) The neutron-rich isotopes $^{58-63}$Cr were produced for the first time at the ISOLDE facility and their masses were…”
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