A5071145976- Nuclear Physics and Applications
- Nuclear physics research studies
- Radioactive contamination and transfer
- Isotope Analysis in Ecology
- Archaeology and ancient environmental studies
- X-ray Spectroscopy and Fluorescence Analysis
- Mass Spectrometry Techniques and Applications
- Geology and Paleoclimatology Research
- Atomic and Molecular Physics
- Radioactivity and Radon Measurements
- Ion-surface interactions and analysis
- Astro and Planetary Science
- Radioactive Decay and Measurement Techniques
- Nuclear reactor physics and engineering
- Particle accelerators and beam dynamics
- Advanced Chemical Physics Studies
- Pleistocene-Era Hominins and Archaeology
- Lung Cancer Diagnosis and Treatment
- Radioactive element chemistry and processing
- Astronomical and nuclear sciences
- Particle Accelerators and Free-Electron Lasers
- Radiation Detection and Scintillator Technologies
- Rare-earth and actinide compounds
- Analytical chemistry methods development
- Neutrino Physics Research
University of Vienna
2013-2023
University of Notre Dame
2017
National Archaeological Museum
2012-2014
University of Pennsylvania
2013
University of Arizona
2012
Venice International University
2012
Carmel (Israel)
2012
FZI Research Center for Information Technology
2010
University of Basel
2010
ETH Zurich
2009
Radiocarbon (carbon-14) data from the Aegean Bronze Age 1700–1400 B.C. show that Santorini (Thera) eruption must have occurred in late 17th century By using carbon-14 dates surrounding region, cultural phases, and Bayesian statistical analysis, we established a chronology for initial Late phases (Late Minoan IA, IB, II). This contrasts with conventional archaeological synthesis: stretching out II by ∼100 years requiring reassessment of standard interpretations associations between Egyptian...
Abstract Half of the heavy elements including all actinides are produced in r -process nucleosynthesis, whose sites and history remain a mystery. If continuously produced, Interstellar Medium is expected to build-up quasi-steady state abundances short-lived nuclides (with half-lives ≤100 My), nucleosynthesis. Their existence today’s interstellar medium would serve as radioactive clock establish that their production was recent. In particular 244 Pu, actinide nuclide (half-life=81 can place...
The decay of $^{182}\mathrm{H}\mathrm{f}$, now extinct, into stable $^{182}\mathrm{W}$ has developed an important chronometer for studying early solar system processes such as the accretion and differentiation planetesimals formation Earth Moon. only $^{182}\mathrm{H}\mathrm{f}$ half-life measurements available were performed 40 years ago resulted in imprecise $(9\ifmmode\pm\else\textpm\fi{}2)\ifmmode\times\else\texttimes\fi{}{10}^{6}\text{ }\mathrm{y}\mathrm{r}$. We redetermined by...
The date of the Late Bronze Age Minoan eruption Thera volcano has provoked much debate among archaeologists, not least in a recent issue Antiquity (‘Bronze catastrophe and modern controversy: dating Santorini eruption’, March 2014). Here, authors respond to those contributions, citing evidence that closes gap between conclusions offered by previous typological, stratigraphic radiometric techniques. They reject need choose alternative approaches problem make case for synchronisation eastern...
The half-life of $^{32}\mathrm{Si}$ has been measured to be ${T}_{\frac{1}{2}}=101\ifmmode\pm\else\textpm\fi{}18$ yr, considerably shorter than the previously accepted value \ensuremath{\approx} 300 yr. new was obtained by measuring specific $\ensuremath{\beta}$ activity with a liquid-scintillation-counter technique and concentration tandem-accelerator mass spectrometry. It is expected that present result will have strong impact on studies cosmogenic $^{32}\mathrm{Si}$.
In order to resolve a recent discrepancy in the half-life of 60Fe, we performed an independent measurement with new method that determines 60Fe content material relative 55Fe (t1/2=2.744 yr) accelerator mass spectrometry. Our result (2.50±0.12)×10(6) yr clearly favors recently reported value (2.62±0.04)×10(6) yr, and rules out older (1.49±0.27)×10(6) yr. The present weighted mean (2.60±0.05)×10(6) substantially improves reliability as important chronometer for astrophysical applications...
▪ Abstract Trace analysis of radionuclides is an essential and versatile tool in modern science technology. Because their ideal geophysical geochemical properties, long-lived noble gas radionuclides—particularly 39 Ar (t 1/2 = 269 y), 81 Kr 2.3 × 10 5 85 10.8 y)—have long been recognized to have a wide range important applications Earth sciences. In recent years, significant progress the development practical analytical methods has led these isotopes hydrosphere (tracing flow groundwater...