2021/2022 Datierung, Umweltforschung und Supernovae

Vorlesung: Mo. 5.DS. (14:50 - 16:20 Uhr), ASB/328 -- 1. Vorlesung: 21. Oktober

Übung: Do. 4.DS. (14:50 - 16:20 Uhr), ASB/328 - nur in ungeraden Wochen -- 1. Übung: 27. Oktober

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