${\hat{I}}^3$-Ray Lines -- Signatures of Nucleosynthesis, Cosmic Rays, Positron Annihilation, and Fundamental Physics

Thomas Siegert, Francesca Calore, Pierre Jean +6

The nuclear ${\hat{I}}^3$-ray lines in the MeV range of the electromagnetic spectrum hold a vast variety of astrophysical, particle-physical, and fundamental physical information that is ot…