2 papers
astro-ph.HE2026
-Ray Lines -- Signatures of Nucleosynthesis, Cosmic Rays, Positron Annihilation, and Fundamental Physics
Thomas Siegert, Francesca Calore, Pierre Jean +6
The nuclear -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…
astro-ph.HE2025
Actinide signatures in low electron fraction kilonova ejecta
Quentin Pognan, Meng-Ru Wu, Gabriel MartÃnez-Pinedo +4
Neutron star (NS) mergers are known to produce heavy elements through rapid neutron capture (r-process) nucleosynthesis. Actinides are expected to be created solely by the r-proces…