Editing Enriched uranium (section)

===High-assay LEU (HALEU)===
High-assay LEU (HALEU) is enriched between 5% and 20%<ref>{{Cite web|url=https://www.energy.gov/sites/prod/files/2019/04/f61/HALEU%20Report%20to%20NEAC%20Committee%203-28-19%20%28FINAL%29.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.energy.gov/sites/prod/files/2019/04/f61/HALEU%20Report%20to%20NEAC%20Committee%203-28-19%20%28FINAL%29.pdf |archive-date=2022-10-09 |url-status=live|title=High-assay low enriched uranium|last=Herczeg|first=John W.|date=28 March 2019|website=energy.gov}}</ref> and is called for in many [[small modular reactor]] (SMR) designs.<ref name=nei-20240630>{{cite news |url=https://www.neimagazine.com/analysis/haleu-uf6-and-smr-fuel-fabrication/?cf-view |title=HALEU UF6 and SMR fuel fabrication |publisher=Nuclear Engineering International |date=30 June 2024 |access-date=16 July 2024}}</ref> Fresh LEU used in [[research reactor]]s is usually enriched between 12% and 19.75% <sup>235</sup>U; the latter concentration is used to replace HEU fuels when converting to LEU.<ref>{{cite conference |last=Glaser |first=Alexander |date=6 November 2005 |title=About the Enrichment Limit for Research Reactor Conversion : Why 20%? |url=http://www.princeton.edu/~aglaser/2005aglaser_why20percent.pdf |url-status=live |conference=The 27th International Meeting on Reduced Enrichment for Research and Test Reactors (RERTR |publisher=Princeton University |archive-url=https://ghostarchive.org/archive/20221009/http://www.princeton.edu/~aglaser/2005aglaser_why20percent.pdf |archive-date=2022-10-09 |access-date=18 April 2014}}</ref>