2022/2023 Datierung, Umweltforschung und Supernovae

TU Dresden | Wintersemester 2022 / 2023

2022/2023 Dating, Environmental Science and Supernovae

Accelerator Mass Spectrometry (AMS) and nature's isotopic signature

 

Lecture: Mo. 5.DS. (14:50 - 16:20 Uhr), ASB/328 -- 1. Lecture: 10. Oktober

Übung: Do. 4.DS. (13:00 - 14:30 Uhr), ASB/328 - nur in ungeraden Wochen -- 1. Übung: 27. Oktober


Zu den Übungszeiten wird der Übungsleiter gemeinsam mit Dr. Sebastian Fichter und Dominik Koll Aufgaben durcharbeiten und Fragen beantworten.

 

Lecturer:

Prof. Dr. A. Wallner

 

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

 

 

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