@techreport{TechReport_2026_LANL_LA-UR-26-27281Rev.1_Swaminarayan, address = {Los Alamos, NM, USA}, author = {Swaminarayan, Sriram}, doi = {10.2172/3484793}, institution = {Los Alamos National Laboratory}, month = {August}, number = {LA-UR-26-27281, Rev.~1}, title = {{Initialization Improvements in MCNP6.4}}, type = {Presentation}, url = {https://www.osti.gov/biblio/3484793}, year = {2026} }