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Neutron Capture on the s-Process Branching Point Tm 171 via Time-of-Flight and Activation

Guerrero, C; Lerendegui-Marco, J; Paul, M; Tessler, M; Heinitz, S; Domingo-Pardo, C.; Cristallo, S; Dressler, R.; Halfon, Shlomi; Kivel, N; Wallner, Anton


The neutron capture cross sections of several unstable nuclides acting as branching points in the s process are crucial for stellar nucleosynthesis studies. The unstable 171Tm (t1/2=1.92yr) is part of the branching around mass A∼170 but its neutron capture cross section as a function of the neutron energy is not known to date. In this work, following the production for the first time of more than 5 mg of 171Tm at the high-flux reactor Institut Laue-Langevin in France, a sample was produced at...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.125.142701
Access Rights: Open Access


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