TY - RPRT TI - Updating the MCNP neutron guide extension for supermirror absorption, gamma production, and neutron polarization AU - Grammer, Kyle B. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000195390459) AU - Gallmeier, Franz X. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] PY - 2025 DO - 10.1016/j.nima.2025.171067 UR - https://www.osti.gov/biblio/3002340 ID - 3002340 ER -