%0 Journal Article %T An optimized pre-moderator improves uniformity of activation rate distribution in an ORNL phantom-IVNAA facility %A Ebrahimi Khankook, Atiyeh %A Rafat Motavali, Laleh %A Miri Hakimabad, Seyyed Hashem %J Radiation Physics and Chemistry %@ 0969-806X %D 2013