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Neutron star mergers as the astrophysical site of the r-process in the Milky Way and its satellite galaxies
Shinya Wanajo, Yutaka Hirai, Nikos Prantzos
Recent progress of nucleosynthesis work as well as the discovery of a kilonova associated with the gravitational-wave source GW170817 indicates that neutron star mergers (NSM) can…
Fallback Accretion Halted by R-process Heating in Neutron Star Mergers and Gamma-Ray Bursts
Wataru Ishizaki, Kenta Kiuchi, Kunihito Ioka +1
The gravitational wave event GW170817 with a macronova/kilonova shows that a merger of two neutron stars ejects matter with radioactivity including -process nucleosynthesis. A p…
Signatures of r-process elements in kilonova spectra
Nanae Domoto, Masaomi Tanaka, Shinya Wanajo +1
Binary neutron star (NS) mergers have been expected to synthesize r-process elements and emit radioactively powered radiation, called kilonova. Although r-process nucleosynthesis w…