A compact fission detector for fission-tagging neutron capture experiments with radioactive fissile isotopes
A compact fission detector for fission-tagging neutron capture experiments with radioactive fissile isotopes
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用于放射性裂变同位素裂变标记中子俘获实验的紧凑型裂变探测器
DOI:
10.1016/j.nima.2020.163981
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Bacak M
中科院分区:
文献类型:
--
作者:
Bacak M
In the measurement of neutron capture cross-sections of fissile isotopes, the fission channel is a source of background which can be removed efficiently using the so-called fission-tagging or fission-veto technique. For this purpose a new compact and fast fission chamber has been developed. The design criteria and technical description of the chamber are given within the context of a measurement of the 233 U (n, γ) cross-section at the n_TOF facility at CERN, where it was coupled to the n_TOF Total Absorption Calorimeter. For this measurement the fission detector was optimized for time resolution, minimization of material in the neutron beam and for alpha-fission discrimination. The performance of the fission chamber and its application as a fission tagging detector are discussed.
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