Issue |
EPJ Web Conf.
Volume 279, 2023
Nuclear Physics in Astrophysics – X (NPA-X 2022)
|
|
---|---|---|
Article Number | 06010 | |
Number of page(s) | 7 | |
Section | s process | |
DOI | https://doi.org/10.1051/epjconf/202327906010 | |
Published online | 22 March 2023 |
https://doi.org/10.1051/epjconf/202327906010
Analysis methods to determine the bound-state beta-decay half-life of Thallium-205
1 TRIUMF, Vancouver, BC V6T 2A3, Canada
2 Dept. Physics & Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
3 School of Physics and Astronomy, University of Edinburgh, EH9 3JZ, UK
4 GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
5 MPI für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
6 Dept. Physics & Astronomy, University of Victoria, Victoria, British Columbia V8P 5C2, Canada
* e-mail: gleckenby@triumf.ca
Published online: 22 March 2023
Bound-state β−-decay is an exotic decay mode that produces temperature-dependent stability in nuclei. A striking example is 205Tl, in part because of its impact on the 205Pb/204Pb cosmochronometer—a short-lived ra-dionuclide clock that can provide unique constraints on s process material in the early solar system. The bound-state β−-decay of 205Tl was measured at GSI, where fully stripped 205Tl81+ ions were produced and stored in the Experimental Storage Ring. Decay occurred during storage producing increased 205Pb daughters with increased storage time. This contribution briefly outlines the experiment and describes analytical corrections required to extract the half-life.
© The Authors, published by EDP Sciences, 2023
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