C. Lederer-Woods, U. Battino, C. Weiß, M. Bacak, E. Griesmayer, E. Jericha, P. Kavrigin, H. Leeb, -. n_TOF Collaboration et al.:
"Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis";
Physics Letters B, 790 (2019), S. 458 - 465.

Kurzfassung englisch:
73Ge(n,γ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT = 30 keV is 1.5 to 1.7 times higher than most theoretical predictions. The new cross sections result in a substantial decrease of 73Ge produced in stars, which would explain the low isotopic abundance of 73Ge in the solar system.

Nucleosynthesis / Neutron capture / s process / Germanium / n_TOF

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