Neutron activations for lower s-process temperatures

Tanja Heftrich; Kafa Al-Khasawleh; Sandra Borzek; Benjamin Brückner; Sophia Florence Dellmann; Ozan Can Dogan; Asmaa El Mard; Philipp Erbacher; Madeleine Gail; Kathrin Göbel; Fabian Habermehl; Benedict Heybeck; Timo Kisselbach; Deniz Kurtulgil; Rim Mourad; Markus Reich; René Reifarth; Silas Sheriff; Tom Staab; Meiko Volknandt; Mario Weigand

doi:10.1051/epjconf/202327906011

All issues

Volume 279 (2023)

EPJ Web Conf., 279 (2023) 06011

Abstract

Open Access

Issue		EPJ Web Conf. Volume 279, 2023 Nuclear Physics in Astrophysics – X (NPA-X 2022)


Article Number		06011
Number of page(s)		4
Section		s process
DOI		https://doi.org/10.1051/epjconf/202327906011
Published online		22 March 2023

EPJ Web of Conferences 279, 06011 (2023)
https://doi.org/10.1051/epjconf/202327906011

Neutron activations for lower s-process temperatures

Tanja Heftrich¹^*, Kafa Al-Khasawleh², Sandra Borzek¹, Benjamin Brückner¹, Sophia Florence Dellmann¹, Ozan Can Dogan¹, Asmaa El Mard¹, Philipp Erbacher¹, Madeleine Gail¹, Kathrin Göbel³, Fabian Habermehl¹, Benedict Heybeck¹, Timo Kisselbach¹, Deniz Kurtulgil¹, Rim Mourad¹, Markus Reich¹, René Reifarth¹, Silas Sheriff¹, Tom Staab¹, Meiko Volknandt¹ and Mario Weigand¹

¹ Goethe University Frankfurt, Frankfurt, Germany
² Jordan Atomic Energy Commission/Jordan Research and Training Reactor
³ Facility for Antiproton and Ion Research in Europe GmbH (FAIR GmbH), Darmstadt, Germany

^* e-mail: heftrich@iap.uni-frankfurt.de

Published online: 22 March 2023

Abstract

The slow neutron capture process produces heavy elements in different stellar sites at different temperatures. Neutron capture cross sections for stellar temperatures between k_BT = 5 keV and k_BT = 100 keV are crucial for a quantitative understanding of the s-process abundance distribution. Over the last decade activation measurements were performed at the Goethe University Frankfurt to study cross sections at a temperature of k_BT = 25 keV. We developed a new method to measure neutron capture cross sections at k_BT = 6 keV.

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