2023/2024 Radiocarbon dating, environmental research topics and supernova signatures
Accelerator mass spectrometry and the isotopic signature of our environment
Lecture: Lecture dates Thursday 5th DS. (2:50 p.m. - 4:20 p.m.) or by appointment (some block events also possible).
Lecture hall: ASB/328
Upcoming Lecture: November 23, 2:50 pm in lecture hall ASB/328, hybrid: https://anu.zoom.us/j/84552961991?pwd=clpuTHczVUJqcEdrSlovV0swZE14dz09
First meeting online: October 10th, 2:50 p.m, online at https://anu.zoom.us/j/84552961991?pwd=clpuTHczVUJqcEdrSlovV0swZE14dz09
Exercise: Tuesday 4th DS. (1:00 p.m. - 2:30 p.m.)
-- 1st exercise: by appointment (see zoom link above for preliminary discussion on October 10th)
During the practice times, the trainer will work through tasks and answer questions together with colleagues.
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Vorlesung: Vorlesungstermine Do. 5.DS. (14:50 - 16:20 Uhr) oder nach Vereinbarung (teilweise Blockveranstaltung auch möglich). ASB/328 -- Vorbesprechnung online: 10. Oktober, 14:50 Uhr, unter https://anu.zoom.us/j/84552961991?pwd=clpuTHczVUJqcEdrSlovV0swZE14dz09
Übung: Do (13:00 - 14:30 Uhr), ASB/328 - nur in ungeraden Wochen -- 2. Übung: 23. November 2023
Zu den Übungszeiten wird der Übungsleiter gemeinsam mit Kollegen Aufgaben durcharbeiten und Fragen beantworten.
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Lecture Content:
- Introduction
- Basics of Mass Spectrometry (MS) and Accelerator Mass Spectrometry (AMS)
- long-lived radionuclides
- ion source, particle beams, accelerator
- isotope ratios
- sample preparation
- State-of-the-art AMS: capabilities and limits
- Applications -Radiocarbon dating
- 14C-dating technique
- 14C - examples
- Applications in Geology
- cosmogenic nuclides (atmosphere, terrestrial archives)
- climate of the past
- ocean tracers
- biomedical applications
- anthropogenic nuclides (actinides, fission products, nuclear fusion) as sensitive tracers of the environment
- extraterrestrial nuclides
- detection of Supernova-produced radionuclides
- heavy-element nucleosynthesis, astrophysics
- radionuclides as tracers for asteroid impacts and meteorites