Measurement of thermal neutron cross sections of the reactions 126Sn(n, γ)127g,127mSn
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Sheng-Dong Zhang
, Lei Yang , Jingru Guo , Fangding Wang , An-Zhi Cui and Lijun Diao
Summary
The thermal neutron cross sections of the reactions 126Sn(n, γ)127gSn and 126Sn(n, γ)127mSn were measured for the first time. A radiochemical carrier-free separation procedure of 126Sn from high level liquid waste (HLLW) is based on the anion exchange and PbS co-precipitation. The (n, γ) reactions on 197Au and 55Mn were used as monitors of thermal neutron flux in irradiation of 126Sn samples. The radionuclides 126Sn, 127gSn, 127Sb, 198Au and 56Mn were detected by HPGe γ-ray spectrometry. The experimentally obtained thermal neutron cross sections of the 126Sn(n, γ)127mSn and 126Sn(n, γ)127gSn reactions are: 126Sn(n, γ)127gSn: σg = 0.200 ± 0.039 b 126Sn(n, γ)127mSn: σm = 0.39 ± 0.10 b The total cross section of the reaction 126Sn(n, γ)127(m+g)Sn is 0.59 ± 0.14 b.
© Oldenbourg Wissenschaftsverlag
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Articles in the same Issue
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- Measurement of the half-life of 132I
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- Electrochemical behavior of uranium(VI) in 1-butyl-3-methylimidazolium chloride and in 0.05 M aliquat-336/chloroform
- Retention of Sn(IV) and Pu(IV) onto four argillites from the Callovo–Oxfordian level at Bure (France) from eight equilibrated sedimentary waters
- Influence of soil humic acid and fulvic acid on sorption of thorium(IV) on MX-80 bentonite
- Sorption characteristics of 99Tc onto bentonite material with different additives under anaerobic conditions
- Studies on sorption of cadmium (II) ions onto Haro river sand from aqueous media using radiotracer and voltammetric techniques
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