Search Results - "Forstner, Oliver"
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Analysis and application of heavy isotopes in the environment
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2010)“…A growing number of AMS laboratories are pursuing applications of actinides. We discuss the basic requirements of the AMS technique of heavy (i.e., above ∼150…”
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Towards an Intrinsic Doppler Correction for X-ray Spectroscopy of Stored Ions at CRYRING@ESR
Published in Atoms (01-01-2023)“…We report on a new experimental approach for the Doppler correction of X-rays emitted by heavy ions, using novel metallic magnetic calorimeter detectors which…”
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The electron affinity of astatine
Published in Nature communications (30-07-2020)“…One of the most important properties influencing the chemical behavior of an element is the electron affinity (EA). Among the remaining elements with unknown…”
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Opportunities for negative ions studies at the Frankfurt Low-energy Storage Ring (FLSR)
Published in Hyperfine interactions (01-12-2020)“…The room-temperature electrostatic heavy ion storage ring FLSR was originally designed to study the collision dynamics of atoms and molecules. Recently it has…”
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High-temperature 205Tl decay clarifies 205Pb dating in early Solar System
Published in Nature (London) (14-11-2024)“…Radioactive nuclei with lifetimes on the order of millions of years can reveal the formation history of the Sun and active nucleosynthesis occurring at the…”
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The first in-beam reaction measurement at CRYRING@ESR using the CARME array
Published in The European physical journal. A, Hadrons and nuclei (29-04-2024)“…In the last decade nuclear reaction measurements using heavy ion storage rings became an important tool for nuclear astrophysics studies. The new CRYRING Array…”
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The ILIAS project for selective isobar suppression by laser photodetachment
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-10-2015)“…Laser photodetachment is the process when the extra electron of a negative ion is removed by means of laser radiation. This can happen only if the photon…”
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Selective laser photodetachment of intense atomic and molecular negative ion beams with the ILIAS RFQ ion beam cooler
Published in International journal of mass spectrometry (01-04-2017)“…The Ion Laser InterAction Setup (ILIAS) project at the University of Vienna aims at the exploration of negative ion beam filtering by selective laser…”
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Opportunities for measurements of astrophysical‐relevant alpha‐capture reaction rates at CRYRING@ESR
Published in X-ray spectrometry (01-01-2020)“…The heavy‐ion storage ring CRYRING@ESR has recently been installed and commissioned at GSI as one of the first installations of the upcoming Facility for…”
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Using the nuclear activation AMS method for determining chlorine in solids at ppb-levels and below
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-10-2015)“…Neutron activation analysis using decay counting of the activated element is a well-established method in elemental analysis. However, for chlorine there is a…”
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The new injection beamline at VERA
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2010)“…VERA has been operated for 12 years with one 40-cathode SNICS ion source. Since the number of isotopes investigated at VERA increased steadily, we decided to…”
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AMS of Cl-36 with the VERA 3 MV tandem accelerator
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (2013)“…Recent progress with compact ionization chambers has opened new possibilities for isobar Refraining from the additional use of degrader foils has the benefit…”
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Feasibility of photodetachment isobar suppression of WF 5 - With respect to HfF 5 - With r
Published in International journal of mass spectrometry (01-02-2014)“…The feasibility of using laser photodetachment as a means for isobar suppression in accelerator mass spectrometry has been investigated for the special case of…”
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Recent advances in AMS of 36Cl with a 3-MV-tandem
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-12-2011)“…Accelerator mass spectrometry (AMS) of 36Cl ( t 1/2 = 0.30 Ma) at natural isotopic concentrations requires high particle energies for the separation from the…”
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Light induced suppression of sulfur in a cesium sputter ion source
Published in International journal of mass spectrometry (01-04-2012)“…[Display omitted] ► The effect of cw laser light on the production of S− and Cl− was studied. ► The S− current was reduced by one order of magnitude with 100mW…”
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AMS of 36Cl with the VERA 3MV tandem accelerator
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-01-2013)“…Recent progress with compact ionization chambers has opened new possibilities for isobar suppression in accelerator mass spectrometry (AMS). Separation of 36Cl…”
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36Cl exposure dating with a 3-MV tandem
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2010)“…36Cl AMS measurements at natural isotopic concentrations have yet been performed only at tandem accelerators with 5 MV terminal voltage or beyond. We have…”
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Comparison of detector systems for the separation of 36Cl and 36S with a 3-MV tandem
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2010)“…The possibility of detecting 36Cl for geological exposure dating has been explored for several years at VERA (the Vienna Environmental Research Accelerator)…”
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PIXE measurements of Renaissance silverpoint drawings at VERA
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-05-2008)“…Silverpoint drawings from the Renaissance are among the most precious and rarest treasures of graphical art. Our research group is particularly interested in…”
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Reassessment of 182Hf AMS measurements at VERA
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (2011)“…The radioisotope 182Hf ( t 1/2 = 8.9 Ma) is of great interest for astrophysical applications as a chronometer for the early solar system or as possible live…”
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