Neutron capture cross section of 185Re leading to ground and isomer states of 186Re in the keV-neutron energy region

Author:

Katabuchi T.,Takebe K.,Umezawa S.,Fujioka R.,Saito T.,Igashira M.

Abstract

The neutron capture cross section of 185Re was measured in the astrophysically important energy region. Measurements were made using a neutron beam from a 7Li(p,n)7Be neutron source with energies ranging from 3 to 90 keV. Two different experimental techniques, time-of-flight (TOF) and activation methods, were employed. In the TOF experiments, the total neutron capture cross section of 185Re was determined by the pulse-height weighting technique. In the activation method, the partial capture cross section leading to the ground state of 186Re was measured by detecting decay γ-rays from neutron activated samples. The present cross section values were compared with evaluated cross section data and previous measurements. The difference between the TOF and activation results was smaller than experimental uncertainties. This suggests that the production cross section of isomer states of 186Re is very small.

Publisher

EDP Sciences

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Chromatographic separation of rhenium radioisotopes from irradiated tungsten cyclotron target;Journal of Radioanalytical and Nuclear Chemistry;2022-09-15

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