The cross sections of the ^(148)Sm(n,α)^(145)Nd reaction were measured for the first time at neutron energies ranging from 4.8 to 5.3 MeV.The experiment was carried out on the Van de Graaff accelerator EG-5 at the Fr...The cross sections of the ^(148)Sm(n,α)^(145)Nd reaction were measured for the first time at neutron energies ranging from 4.8 to 5.3 MeV.The experiment was carried out on the Van de Graaff accelerator EG-5 at the Frank Laboratory of Neutron Physics,Joint Institute for Nuclear Research.Fast neutrons were produced via the ^(2)H(d,n)^(3)He reaction with a deuterium gas target.A twin gridded ionization chamber was used as the charged particle detector,with back-to-back^(148)Sm samples mounted on tantalum backings at the common cathode.The absolute neutron flux was measured using the ^(238)U_(3)O_(8) sample.The obtained cross section data were compared with those from existing nuclear data libraries and theoretical calculations using the TALYS-1.96 code.The present results for the^(148)Sm(n,α)^(145)Nd reaction are expected to resolve discrepancies among various nuclear evaluation data.展开更多
基金Supported by the Committee of Science of the Ministry of Science and Higher Education of the Republic of Kazakhstan(BR21881930)。
文摘The cross sections of the ^(148)Sm(n,α)^(145)Nd reaction were measured for the first time at neutron energies ranging from 4.8 to 5.3 MeV.The experiment was carried out on the Van de Graaff accelerator EG-5 at the Frank Laboratory of Neutron Physics,Joint Institute for Nuclear Research.Fast neutrons were produced via the ^(2)H(d,n)^(3)He reaction with a deuterium gas target.A twin gridded ionization chamber was used as the charged particle detector,with back-to-back^(148)Sm samples mounted on tantalum backings at the common cathode.The absolute neutron flux was measured using the ^(238)U_(3)O_(8) sample.The obtained cross section data were compared with those from existing nuclear data libraries and theoretical calculations using the TALYS-1.96 code.The present results for the^(148)Sm(n,α)^(145)Nd reaction are expected to resolve discrepancies among various nuclear evaluation data.
