Origin of ${}^{60}$Fe nuclei in cosmic rays: the contribution of local OB associations

Nicolas de Séréville, Vincent Tatischeff, Pierre Cristofari +2

The presence of live ${}^{60}$Fe nuclei (lifetime of 3.8~Myr) in cosmic rays detected by the ACE/CRIS instrument suggests a nearby nucleosynthesis source. ${}^{60}$Fe is primarily prod…