CANCELLED - Heavy element synthesis in neutron star mergers and core- collapse supernovae

DIPC Seminars

Speaker: Almudena Arcones, TU Darmstadt and GSI
When: 2022/07/28
14:00
Place: Hybrid Seminar: Donostia International Physics Center
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CANCELLED - Heavy element synthesis in neutron star mergers and core- collapse supernovae

Heavy elements like Gold and Uranium are produced by the rapid neutron capture process (r-process). Extreme neutron-rich conditions are necessary for this process, which is linked to neutron stars. Two possible astrophysical scenarios have been suggested as the site of the r-process: core-collapse supernovae (where neutron stars are born) and neutron star mergers. In 2017, gravitational waves were detected from the merger of two neutron stars, GW170817, opening a new multimessenger era. Observations of this event revealed that heavy, neutron-rich nuclei were produced. These nuclei are unstable and their decay leads to a kilonova light curve. In the talk, I will present the nucleosynthesis in neutron star mergers and discuss the critical contribution of core-collapse supernovae to the chemical history of the universe. Host: Jun Jose Gomez Cadenas Zoom: https://dipc-org.zoom.us/j/95639592323 YT: https://youtu.be/CS5xogHzbc8