Acceleration and Transport of the Unstable Cosmic-ray Isotope ${}^{60}$Fe in Supernova-Enriched Environments

Xin-Yue Shi, Martin Pohl, Michael M. Schulreich

The unstable isotope ${}^{60}$Fe, with a half-life of 2.6 million years, is produced primarily in supernova explosions. The observed presence of ${}^{60}$Fe in cosmic rays and its dete…