Neutron capture cross sections of 69Ga and 71Ga at 25 keV and Epeak = 90 keV

Kathrin Göbel; Clemens Beinrucker; Philipp Erbacher; Stefan Fiebiger; Micaela Fonseca; Michael Heftrich; Tanja Heftrich; Franz Käppeler; Antonin Krása; Claudia Lederer-Woods; Ralf Plag; Arjan Plompen; René Reifarth; Stefan Schmidt; Kerstin Sonnabend; Mario Weigand

doi:10.1051/epjconf/201714601014

All issues

Volume 146 (2017)

EPJ Web Conf., 146 (2017) 01014

Abstract

Open Access

Issue		EPJ Web Conf. Volume 146, 2017 ND 2016: International Conference on Nuclear Data for Science and Technology


Article Number		01014
Number of page(s)		3
Section		Astro Nuclear Physics
DOI		https://doi.org/10.1051/epjconf/201714601014
Published online		13 September 2017

EPJ Web of Conferences 146, 01014 (2017)
https://doi.org/10.1051/epjconf/201714601014

Neutron capture cross sections of ⁶⁹Ga and ⁷¹Ga at 25 keV and E_peak = 90 keV

Kathrin Göbel¹^a, Clemens Beinrucker¹, Philipp Erbacher¹, Stefan Fiebiger¹, Micaela Fonseca¹^,2^,3, Michael Heftrich¹, Tanja Heftrich¹, Franz Käppeler⁴, Antonin Krása⁵, Claudia Lederer-Woods¹^,6, Ralf Plag¹^,7, Arjan Plompen⁸, René Reifarth¹, Stefan Schmidt¹, Kerstin Sonnabend¹ and Mario Weigand¹

¹ Goethe University Frankfurt, Germany
² LIBPhys-UNL, DF, FCT, Universidade Nova de Lisboa, Portugal
³ Universidade Europeia, Laureate International Universities, Portugal
⁴ Karlsruher Institut für Technologie, Germany
⁵ SCK-CEN, Belgian Nuclear Research Centre, Mol, Belgium
⁶ University of Edinburgh, UK
⁷ GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
⁸ Joint Research Centre (EC-JRC), Geel, Belgium

^a e-mail: goebel@physik.uni-frankfurt.de

Published online: 13 September 2017

Abstract

We measured the neutron capture cross sections of ⁶⁹Ga and ⁷¹Ga for a quasi-stellar spectrum at k_BT = 25 keV and a spectrum with a peak energy at 90 keV by the activation technique at the Joint Research Centre (JRC) in Geel, Belgium. Protons were provided by an electrostatic Van de Graaff accelerator to produce neutrons via the reaction ⁷Li(p,n). The produced activity was measured via the γ emission of the product nuclei by high-purity germanium detectors. We present preliminary results.

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