New evaluation on angular distributions and energy spectra for neutron-induced charged-particle measurements

Recent development on neutron-induced charged particle reaction measurements can provide high-quality double differential cross sections at Los Alamos Neutron Science Center. With newly measured cross section data, we found lacking nuclear outputs for neutron-induced charged particle reactions in th...

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Veröffentlicht in:	Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2020-05, Vol.963 (C), p.163699, Article 163699
Hauptverfasser:	Kim, H.I., Lee, H.Y., Kawano, T., Georgiadou, A., Kuvin, S.A., Zavorka, L., Herman, M.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular distribution Compound nuclear reaction theory Hauser–Feshbach theory INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Monte Carlo simulation Neutron-induced charged particle reaction
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Zusammenfassung:	Recent development on neutron-induced charged particle reaction measurements can provide high-quality double differential cross sections at Los Alamos Neutron Science Center. With newly measured cross section data, we found lacking nuclear outputs for neutron-induced charged particle reactions in the latest ENDF/B-VIII.0 library, when compared with Monte Carlo simulations. This paper presents how we improved the missing angular distributions and energy spectra for these reactions and the validation of our new evaluations with the measurements performed with the LENZ instrument at LANSCE. The impact of this additional evaluation is demonstrated by comparing the MCNP simulations with the LENZ experimental data.
ISSN:	0168-9002 1872-9576
DOI:	10.1016/j.nima.2020.163699