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Cross-section measurement of (n,2n) reactions for Nd isotopes induced by 14 MeV neutrons

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Abstract

Cross-sections of the (n,2n) reactions for neodymium (Nd) isotopes induced by 14 MeV neutrons were measured in this work by using the activation and relative methods. The measured cross-sections of the 150Nd(n,2n)149Nd, 148Nd(n,2n)147Nd, and 142Nd(n,2n)141Nd reactions were 1854 ± 81, 1789 ± 119, and 1559 ± 98 mb, respectively, at a neutron energy of 14.2 ± 0.2 MeV, and 1485 ± 74, 1726 ± 85, and 1670 ± 119 mb, respectively, at 14.9 ± 0.2 MeV. The results were compared with the experimental values from the reported literature, with the evaluated data from the ENDF/B-VII.1, CENDL-3.1, and JENDL-4.0 libraries, and with the curves calculated by the Talys-1.8 code.

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Acknowledgements

The authors would like to thank Prof. Murata at Osaka University, Japan, for the excellent support during the measurements.

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Authors and Affiliations

  1. School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China

    Qiang Wang, Bing-Jun Chen, Qian Zhang, Si-Min Cai, Chang-Lin Lan & Kai-Hong Fang

  2. Engineering Research Center for Neutron Application Technology, Ministry of Education, Lanzhou University, Lanzhou, 730000, China

    Qiang Wang, Chang-Lin Lan & Kai-Hong Fang

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Correspondence to Kai-Hong Fang.

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Wang, Q., Chen, BJ., Zhang, Q. et al. Cross-section measurement of (n,2n) reactions for Nd isotopes induced by 14 MeV neutrons. NUCL SCI TECH 30, 8 (2019). https://doi.org/10.1007/s41365-018-0535-5

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