Survey of prospective techniques for molten salt reactor feed monitoring

SE Skutnik, PW Sobel, MW Swinney, KK Hogue… - Annals of Nuclear …, 2024 - Elsevier
Abstract 1 Safeguards verification measurements of nuclear material content in fresh fuel
salt for liquid-fueled molten salt reactors (MSRs) are likely to be required as part of nuclear …

The characterization of radioactive waste: a critical review of techniques implemented or under development at CEA, France

B Pérot, F Jallu, C Passard, O Gueton… - EPJ N-Nuclear …, 2018 - cea.hal.science
This review paper describes the destructive and non-destructive measurements
implemented or under development at CEA, in view to perform the most complete …

New measurements of cumulative photofission yields of 239Pu, 235U and 238U with a 17.5 MeV Bremsstrahlung photon beam and progress toward actinide …

M Delarue, E Simon, B Pérot, PG Allinei, N Estre… - Nuclear Instruments and …, 2022 - Elsevier
In the frame of a long-term research program on the characterization of large radioactive
waste packages by photofission, the Nuclear Measurement Laboratory of CEA IRESNE has …

Coupling gamma ray spectrometry and tomography in a Bayesian frame

C Carasco - Nuclear Instruments and Methods in Physics Research …, 2021 - Elsevier
To investigate the possibility to characterize radioactive wastes using available information
and measurements in a coherent frame, a Bayesian formalism is built to couple gamma-ray …

Measurement of cumulative photofission yields of 235U and 238U with a 16 MeV Bremsstrahlung photon beam

M Delarue, E Simon, B Pérot, PG Allinei, N Estre… - Nuclear Instruments and …, 2021 - Elsevier
In the frame of a long-term research program on the characterization of large radioactive
waste packages by photofission, the Nuclear Measurement Laboratory of CEA IRESNE …

Review of candidate techniques for material accountancy measurements in electrochemical separations facilities

JB Coble, SE Skutnik, SN Gilliam… - Nuclear Technology, 2020 - Taylor & Francis
Electrochemical reprocessing (also commonly known as pyroprocessing) of used nuclear
fuel is an alternative to aqueous reprocessing that confers a number of advantages …

Model design of a deuterium-deuterium neutron generator moderator and evaluation for delayed gamma-ray nondestructive assay for safeguards verification

F Rossi, M Koizumi, DC Rodriguez - Journal of Nuclear Science …, 2021 - Taylor & Francis
ABSTRACT The Japan Atomic Energy Agency is evaluating delayed gamma-ray
spectroscopy as an active interrogation nondestructive assay technique to quantify the fissile …

Evaluation of linac-based delayed gamma neutron activation technique for copper characterization in scrap metal by means of Monte Carlo modeling

R De Stefano, A Elayeb, A Sari, H Makil… - Nuclear Instruments and …, 2023 - Elsevier
Delayed gamma rays following neutron activation, induced by a 6 MeV linear electron
accelerator (linac) coupled to a deuterium oxide photo–neutron conversion target, are …

Localization of nuclear materials in large concrete radioactive waste packages using photofission delayed gamma rays

M Delarue, E Simon, B Pérot, PG Allinei… - EPJ Web of …, 2021 - epj-conferences.org
The characterization of radioactive waste packages is mandatory for their transport, interim
storage and final disposal. In this framework, the Nuclear Measurement Laboratory of CEA …

Use of a deuterium-deuterium neutron generator for the Add-A-Source waste matrix correction technique

RK Weinmann-Smith, CD Rael, MC Browne… - Nuclear Instruments and …, 2025 - Elsevier
Neutron generators offer an alternative to radioactive sources in the application of active
techniques for nondestructive assay of nuclear materials. The Add-A-Source technique has …