Benjamin D Roach Contact 865.341.2363 | roachbd@ornl.gov All Publications Absolute Branching Ratios of Prominent γ Rays Following α Decay of 233U Determination of Average Burnup in AGR-3/4 Compacts 1-4 and 7-4 Analytical Report for Nuclear Regulatory Commission High Burnup Fuel Specimens New Radiochemical Assay Experiments to Improve the Validation Basis for High Burnup Fuel The need for speed – Burnup determination of spent nuclear fuel Measurement of the Effective Capture Cross Section of 238Np in the High Flux Isotope Reactor Direct isotopic analysis of solid uranium particulates on cotton swipes by microextraction-ICP-MS Nuclide Inventory Validation: Radiochemical Assay Data Quality and Modeling Challenges in Benchmark Models Development... New reference materials for trace-levels of actinide elements in plutonium... Direct analysis of cotton swipes for plutonium isotope determination by microextraction-ICP-MS Update on the High Precision Titration Method for Uranium Assay Supported by NBL Program Office... Direct Uranium Isotopic Analysis of Swipe Surfaces by Microextraction-ICP-MS New Capability at ORNL: High Precision Uranium Titration Sister Rod Destructive Examinations (FY20) Appendix D, Fission Gas Analysis, Fuel Rod Burnup and Isotopic Measurements Trace Elemental Analysis of Bulk Thorium Using an Automated Separation–Inductively Coupled Plasma Optical Emission Spectroscopy Methodology Nuclear Analytical and Chemical Isotopics Laboratories Sample Analytical Plan for the Sister Rod Spent Nuclear Fuel Specimens. MEASUREMENT OF THE INTEGRAL CAPTURE AND FISSION CROSS SECTION OF 238NP Inline gamma-spectrometry of fission product elements after rapid high-pressure ion chromatographic separation Rare Earth Element Determination in Uranium Ore Concentrates Using Online and Offline Chromatography Coupled to ICP-MS RAPID: The Development and Application of a Hybrid High Pressure Ion Chromatography and Inductively Coupled Plasma Mass Spectrometry Method for the Direct Analysis of Irradiated Materials Establishing a High-Precision Titrimetric Laboratory at Oak Ridge National Laboratory to Support the NBL Program Office’s Mission Determination of Average Burnup in AGR-2 Compacts 3-3-1, 3-3-2, 2-2-2, and 6-4-2 Sister Rod Destructive Test Results (FY19) Rapid concentration and isotopic measurements of ultra-trace 235U fission products with comparison to an ORIGEN isotope depletion model Rapid measurements of 235U fission product isotope ratios using an online, high-pressure ion chromatography inductively coupled plasma mass spectrometry protocol with comparison to isotopic depletion models Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations Isotope Science and Engineering Directorate Radioisotope Science and Technology Division Radioisotope Research and Development Section Isotope Applications Research Group