ChETEC-INFRA: Chemical Elements as Tracers of the Evolution of the Cosmos - Infrastructures for Nuclear Astrophysics

 EU project with international partners

Project period: 

  • May 2021 – 2025

Nuclear astrophysics studies the origin of the chemical elements: from the Big Bang, to stellar burning, and to neutron star mergers. ChETEC-INFRA networks the three types of infrastructures that, together, provide the capabilities needed for this quest: astronuclear laboratories supply reaction data, supercomputer facilities perform stellar structure and nucleosynthesis computations, and telescopes and mass spectrometers, e.g. VERA, collect elemental and isotopic abundance data. You can apply for AMS analysis at VERA via transnational access (TNA). Find information on how to apply in the provided pdf-file below.

Related links:

ChETEC-INFRA project page

Project coordination page @ HZDR

Contact at the University of Vienna:

Establishing a spike material for the analysis of 237Np

FWF international joint project

Project period:

  •  August 2020 - August 2023

Abstract:

The aim of the project is the production, preparation and characterization of an isotopic spike material for the normalization of neptunium-237 (another long-lived neptunium isotope with high purity with respect to neptunium-237) which will allow us to quantitatively determine neptunium-237 in the environment. Due to analytical difficulties, the distribution of this nuclide is not yet sufficiently known. However, a few measurements using large sample volumes suggest a relevant release from the European reprocessing plants.

 

 

Contact at the University of Vienna:

Study of the global distribution of the long-lived radionuclide Tc-99 with innovative detection techniques

Project partners:

Project period:

  •  October 2018 - October 2021

Abstract:

Considerable amounts of the long-lived fission product 99Tc (T1/2 = 2.1·105 a) have been released into the environment by reprocessing plants and nuclear weapon tests. In addition, 99Tc is constantly produced by the decay of the short-lived 99mTc (T1/2 = 6.0 h), the most widely used medical tracer in cancer diagnostics. In this project the distribution of global fallout 99Tc in different physio-chemical environments is studied for the first time to derive the migration pathways of this radionuclide and to establish a general baseline for the 99Tc concentration in the environment due to weapons testings. The project addresses the following questions:

  • What is the present environmental level of 99Tc due to global fallout?
  • Does the chemical behaviour of 99Tc depend on the physio-chemical form in which it was emitted into the environment?
  • How does the chemical behaviour of 99Tc depend on the surrounding chemical conditions (e.g. pH, redox potential)?
  • Can the reproducibility of the measurement results be improved by using a 97Tc (T1/2=2.6·106 a) spike?
  • Can we achieve a sufficient isobar suppression using laser photodetachment to enable the detection of environmental levels of 99Tc by mid/low-energy AMS like VERA?

 

 

Research And Development with Ion Beams – Advancing Technology in Europe

  • Partners: 18
  • Time horizon: 1/2019 – 12/2022
  • Budget: 9.9 million EUR
  • Transnational accessible beamtime: ~ 15.800 h
  • Cooperating facilities: 11
  • www.ionbeamcenters.eu

14 public research facilities as well as 4 SMEs cooperate through the RADIATE project for mutual exchange of experience and best practice examples for structuring the European research landscape for ion beam technology and its applications.

In addition to the advancement of ion beam technologies and the strengthening of the cooperation between the individual ion beam facilities, RADIATE aims to provide participants from research and industry with an easy, flexible, efficient and above all free access to the existing ion beam infrastructure. The total transnationally available beam time is 15 800 h (thereof 1500 h at VERA).