EPJ Web Conf.
Volume 260, 2022The 16th International Symposium on Nuclei in the Cosmos (NIC-XVI)
|Number of page(s)||4|
|Published online||24 February 2022|
The Dyadic Radionuclide System 60Fe / 53Mn to Distinguish Interstellar from Interplanetary 60Fe
1 NPAA, Research School of Physics, The Australian National University, Canberra, ACT 2601, Australia.
2 Accelerator Mass Spectrometry & Isotope Research, Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany.
3 Department of Physics, Technical University of Munich, 85748 Garching, Germany.
4 Physical Institute -Space Research and Planetology, University of Bern, 3012 Bern, Switzerland.
5 Isotope Physics, Faculty of Physics, University of Vienna, 1090 Vienna, Austria.
* e-mail: email@example.com
Published online: 24 February 2022
The discovery of live 60Fe in a deep-sea crust with proposed interstellar origin followed by evidence for elevated interplanetary 3He in the same crust raised the question on how to unambiguously identify the true production site of the identified 60Fe. Here, we show the implementation of the dyadic radionuclide system 60Fe / 53Mn to serve as a tool for the identification of surplus interstellar 60Fe over interplanetary production. The recent updates in experimental 60Fe and 53Mn data from iron meteorites as well as in production rate models confirm the validity and robustness of this dyadic system for future applications.
© The Authors, published by EDP Sciences, 2022
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