TY - RPRT TI - The Fermi function and the neutron's lifetime AU - Vander Griend, Peter [Univ. of Kentucky, Lexington, KY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000345228458) AU - Cao, Zehua [Univ. of Kentucky, Lexington, KY (United States)] (ORCID:0009000354256423) AU - Hill, Richard J. [Univ. of Kentucky, Lexington, KY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:000000031982589X) AU - Plestid, Ryan [California Institute of Technology (CalTech), Pasadena, CA (United States)] (ORCID:0000000307797289) PY - 2025 DO - 10.1016/j.physletb.2025.139678 UR - https://www.osti.gov/biblio/2514449 ID - 2514449 ER -