Mergers of neutron star-neutron star (or black hole) binaries as r-process sites
- January 13 (Fri) at 14:00 - 15:00, 2023 (JST)
- Dr. Shinya Wanajo (Senior Scientist, Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Germany)
- via Zoom
- Common Room #246-248
- Shigehiro Nagataki
The discovery of an electromagnetic counterpart (kilonova) associated with GW170817 confirms that binary neutron star (NS) mergers are at least one of sites of r-process nucleosynthesis. However, there is no observational evidence that black hole (BH)-NS mergers are r-process sites. In this talk, we overview the latest work of nucleosynthesis based on long-term hydrodynamics simulations of NS-NS and BH-NS mergers covering early dynamical and late post-merger mass ejections. We also briefly discuss a possible constraint on nuclear equations of state.
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