2021/2022 Datierung, Umweltforschung und Supernovae

TU Dresden | Wintersemester 2021 / 2022 2021/2022 Datierung, Umweltforschung und Supernovae

Beschleunigermassenspektrometrie und die Isotopensignatur unserer Umwelt

 

Vorlesung: Do. 5.DS. (14:50 - 16:20 Uhr), ASB/328

Übung: Mi. 5.DS. (14:50 - 16:20 Uhr), ASB/328 - nur in ungeraden Wochen


Zu den Übungszeiten wird der Übungsleiter gemeinsam mit Dr. Johannes Lachner Aufgaben durcharbeiten und Fragen beantworten.

 

Lesender/Übungsleiter

Prof. Dr. A. Wallner

Dr. Johannes Lachner

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 od 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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