Cross sections for (n, 2n), (n, p) and (n, alpha) reactions on osmium isotopes in the neutron energy range of 13.5-14.8MeV. |
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| Authors: | Liangyong Zhao Jilong Yuan Fei Tuo Yanbin Zhang Xiangzhong Kong Rong Liu Li Jiang |
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| Affiliation: | Institute of Nuclear Science and Technology, Lanzhou University, Lanzhou, Gansu Province 730000, PR China. |
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| Abstract: | Cross sections for (n, 2n), (n, p) and (n, alpha) reactions on the osmium isotopes were measured in the neutron energies 13.5-14.8MeV by the activation technique with the monitor reaction (93)Nb(n, 2n)(92m)Nb. Our measurements were carried out by gamma-detection using a coaxial high-purity germanium (HPGe) detector. Natural high-purity osmium powder (99.9%) was fabricated as the samples. The neutron energies were determined by the cross-section ratios for (93)Nb(n, 2n)(92m)Nb and (90)Zr(n, 2n)(89m+g)Zr reactions. The fast neutrons were produced by the T(d, n)(4)He reaction. The results obtained were compared with previous data. |
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