Determination of 238U and 235U isotope masses based on passive neutron coincidence measurements using an AWCC

Contributors: Viktoriia Lebed, L. Golinka-Bezshyyko, M. Strilchuk, O. Zhukov, I. Maliuk, V. Tryshyn, & Ya. Strilchuk

Published in Nuclear Future 22.3

DOI: https://doi.org/10.63198/nuclearfuture22348

SUMMARY

• eliminates the need for physical standards via Geant4‑based mathematical calibration
• accounts for spontaneous and induced fission,and (α, n) in UO2
• validated on LEU RBMK/WWR pellets (362–1802 g)
• achieves uncertainties <2 % for 238U and ≈1 g for 235U (>300 g)

LEAD AUTHOR

Viktoriia Lebed is a Bachelor of Science in Physics and Astronomy and a Master’s student at Taras Shevchenko National University of Kyiv specializing in Nuclear Energy. She is currently an intern at the Institute for Nuclear Research of the National Academy of Sciences of Ukraine.