TY - RPRT TI - $χ$-$MeRA$: Computationally efficient adaptive mesh refinement of Monte Carlo mesh based tallies AU - Stolte, Kristin Nichole AU - Tsvetkov, Pavel V. PY - 2022 DO - 10.1016/j.anucene.2022.109617 UR - https://www.osti.gov/biblio/3015152 ID - 3015152 ER -