@techreport{TechReport_2025_LANL_LA-UR-25-29086_HaeckGibsonEtAl, address = {Los Alamos, NM, USA}, author = {Haeck, Wim and Gibson, Nathan Andrew and Kleedtke, Noah Andrew}, institution = {Los Alamos National Laboratory}, month = {September}, number = {LA-UR-25-29086}, title = {{Release of ENDFSaB81: ENDF/B-VIII.1-Based ACE Data Files for Thermal Scattering}}, url = {https://nucleardata.lanl.gov/files/LA-UR-25-29086.pdf}, year = {2025} }