Deep-Sea and Lunar Radioisotopes from Nearby Astrophysical Explosions

BD Fields, A Wallner - Annual Review of Nuclear and Particle …, 2023 - annualreviews.org
Live (not decayed) radioisotopes on the Earth and Moon are messengers from recent
nearby astrophysical explosions. Measurements of 60Fe in deep-sea samples, Antarctic …

Atom counting with accelerator mass spectrometry

W Kutschera, AJT Jull, M Paul, A Wallner - Reviews of Modern Physics, 2023 - APS
Accelerator mass spectrometry (AMS) was born in the late 1970s, when it was realized at
nuclear physics laboratories that the accelerator systems can be used as a sensitive mass …

5 years of ion-laser interaction mass spectrometry—Status and prospects of isobar suppression in AMS by lasers

M Martschini, J Lachner, K Hain, M Kern, O Marchhart… - …, 2022 - cambridge.org
A setup for ion-laser interaction was coupled to the state-of-the-art AMS facility VERA five
years ago and its potential and applicability as a new means of isobar suppression in …

Selective laser photodetachment of intense atomic and molecular negative ion beams with the ILIAS RFQ ion beam cooler

M Martschini, J Pitters, T Moreau, P Andersson… - International Journal of …, 2017 - Elsevier
Abstract The Ion Laser InterAction Setup (ILIAS) project at the University of Vienna aims at
the exploration of negative ion beam filtering by selective laser photodetachment for …

The quest for AMS of 182Hf–why poor gas gives pure beams

M Martschini, J Lachner, S Merchel… - EPJ Web of …, 2020 - epj-conferences.org
The long-lived radioisotope 182 Hf (T 1/2= 8.9 Ma) is of high astrophysical interest as its
potential abundance in environmental archives would provide insight into recent r-process …

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

EH Evans, M Horstwood, J Pisonero… - Journal of Analytical …, 2013 - pubs.rsc.org
This review covers developments in 'Atomic Spectrometry'. It covers atomic emission,
absorption, fluorescence and mass spectrometry, but excludes material on speciation and …

The ILIAS project for selective isobar suppression by laser photodetachment

O Forstner, P Andersson, D Hanstorp, J Lahner… - Nuclear Instruments and …, 2015 - Elsevier
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 energy is larger than the …

High-efficient removal of tungsten from hafnium by TOA/XAD-7 extraction resin from HCl-HF media

J Fan, Y Wang, L Duan, X Zhang, G Chen… - Journal of Nuclear …, 2024 - Taylor & Francis
For removal of the natural isobar 182W interference prior to ultra-trace 182Hf determination
by accelerator mass spectrometry, an extraction chromatographic method for separation of …

On‐line HfF5/WF5 separation in an O2‐filled radiofrequency quadrupole gas cell

XL Zhao, J Eliades, AE Litherland… - Rapid …, 2013 - Wiley Online Library
RATIONALE An experimental Isobar Separator for Accelerator Mass Spectrometry (ISAMS)
instrument has been used to demonstrate an on‐line separation of HfF5− from its isobar …

Spontaneous and photo-induced decay processes of WF5− and HfF5− molecular anions in a cryogenic storage ring

H Gnaser, M Martschini, D Leimbach, J Karls… - The Journal of …, 2022 - pubs.aip.org
Spontaneous and photo-induced decay processes of HfF 5− and WF 5− molecular anions
were investigated in the Double ElectroStatic Ion Ring ExpEriment (DESIREE). The …