Cross-section measurements for the 58,60,61Ni( n, α)55,57,58Fe reactions at 8.50, 9.50 and 10.50 MeV neutron energies
Jiang H. Cui Z. Hu Y. Liu J. Bai H. Chen J. Zhang G. Gledenov Y.M. Sansarbayar E. Khuukhenkhuu G. Krupa L. Chuprakov I. Ruan X. Huang H. Ren J. Fan Q.
Febuary 2022IOP Publishing Ltd
Chinese Physics C
2022#46Issue 2
Cross sections of the 58,60,61Ni(n, α)55,57,58Fe reactions were measured at 8.50, 9.50 and 10.50 MeV neutron energies based on the HI-13 tandem accelerator of China Institute of Atomic Energy (CIAE) with enriched 58Ni, 60Ni, and 61Ni foil samples with backings. A twin gridded ionization chamber (GIC) was used as the charged particle detector, and an EJ-309 liquid scintillator was used to obtain the neutron energy spectra. The relative and absolute neutron fluxes were determined via three highly enriched 238U3O8 samples inside the GIC. The uncertainty of the present data of the 58Ni(n, α)55Fe reaction is smaller than most existing measurements. The present data of 60Ni(n, α)57Fe and 61Ni(n, α)58Fe reactions are the first measurement results above 8 MeV. The present experimental data could be reasonably reproduced by calculations with TALYS-1.9 by adjusting several default values of theoretical model parameters.
58,60,61Ni( n, α)55,57,58 , CIAE , cross-section measurements , GIC
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State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing, 100871, China
Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Nuclear Research Centre, National University of Mongolia, Ulaanbaatar, Mongolia
Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Institute of Experimental and Applied Physics, Czech Technical University in Prague, Horska 3a/22, Prague 2, 12800, Czech Republic
L. N. Gumilyov Eurasian National University, Nur-sultan, 010000, Kazakhstan
The Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan, Almaty, 050032, Kazakhstan
China Institute of Atomic Energy, Beijing, 102413, China
State Key Laboratory of Nuclear Physics and Technology
Frank Laboratory of Neutron Physics
Nuclear Research Centre
Flerov Laboratory of Nuclear Reactions
Institute of Experimental and Applied Physics
L. N. Gumilyov Eurasian National University
The Institute of Nuclear Physics
China Institute of Atomic Energy
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