TY - RPRT TI - An efficient surrogate model of secondary electron formation and evolution AU - McDevitt, Christopher J. [University of Florida, Gainesville, FL (United States)] (ORCID:0000000236742909) AU - Arnaud, Jonathan S. [University of Florida, Gainesville, FL (United States)] (ORCID:0000000326709571) AU - Tang, Xian-Zhu [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000240366643) PY - 2025 DO - 10.1063/5.0253374 UR - https://www.osti.gov/biblio/2549427 ID - 2549427 ER -