REACTOR NOISE ANALYSIS FOR A GRAPHITE-MODERATED AND -REFLECTED CORE IN KUCA Atsushi Sakon, Kunihiro Nakajima, Kazuki Takahashi, Shin-ya Hohara, Tadafumi Sano, Yuji Fukaya and Kengo Hashimoto EPJ Web Conf., 247 (2021) 09009 Published online: 22 February 2021 DOI: 10.1051/epjconf/202124709009