[seminar] Gabriel Martínez-Pinedo (Tue 25th Nov, 14:15)

[Ivica Smolic]

Dear colleagues,

I would like to invite you to the following seminar

Gabriel Martínez-Pinedo
(Institut für Kernphysik, TU Darmstadt, Germany)
(GSI Helmholtzzentrum für Schwerioneneforschung, Darmstadt, Germany)

"Explosive nucleosynthesis of heavy elements"

Tuesday, 25th of November, 14:15h, F-102

Abstract:
In this talk, I will review our current understanding of the
nucleosynthesis of heavy elements in explosive environments by the
so-called r-process. The two major astrophysical sites currently
considered are core-collapse supernova and neutron star mergers. Each
of them demands different nuclear physics ingredients for the
nucleosynthesis modeling. In core-collapse supernova, the
nucleosynthesis depends mainly on the neutron-richness of the ejecta
that is determined by the spectral differences between the emitted
electron neutrinos and antineutrinos. This difference is particularly
sensitive to the nuclear symmetry energy at subsaturation
densities. Neutron star mergers are expected to eject material that is
so neutron rich that the nucleosynthesis becomes very robust and
almost independent of the astrophysical conditions. However, it is
very sensitive of the nuclear properties of the very exotic neutron
rich nuclei that are produced during the nucleosynthesis
event. Particularly important nuclear properties are masses,
beta-decay rates and fission properties of neutron rich superheavy
nuclei.

Best regards,

Ivica Smolić

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