Study of neutron fluence rate fluctuation factor in nuclear reaction cross section measurement
Study of neutron fluence rate fluctuation factor in nuclear reaction cross section measurement
复制标题
核反应截面测量中子注量率波动因素研究
DOI:
10.1007/s10967-014-2934-3
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发表时间:
2014-01
影响因子:
1.6
通讯作者:
Junhua Luo
中科院分区:
文献类型:
--
作者:
Junhua Luo
The correction formula for the neutron fluence rate fluctuation on the measured radioactive of the neutron irradiated sample was obtained based on the regulation of growing and decay of artificial radioactive nuclide. This was done based on the fluence of the 14 MeV mono-energetic neutron generated by T(d,n)4He reaction. Combining with the actual measured counts and spectra of the accompanying alpha-particles, for the different irradiating time, the different half-life, neutron fluence rate fluctuation factor was calculated and discussed. The experimental results show that in the cross section measurement of neutron-induced reactions, the irradiation time of the samples should be less than or close to the half-life period of the daughter nucleus of the measured reaction such that the corrected values of the fluctuation factors are close to one.
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影响因子:
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作者:
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DOI:
10.1016/j.apradiso.2008.04.017
发表时间:
2008-12
期刊:
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
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DOI:
10.1016/j.nimb.2007.06.031
发表时间:
2007-11
影响因子:
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作者:
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