Stochastic estimation of level density in nuclear shell-model calculations Noritaka Shimizu, Yutaka Utsuno, Yasunori Futamura, Tetsuya Sakurai, Takahiro Mizusaki and Takaharu Otsuka EPJ Web of Conferences, 122 (2016) 02003 Published online: 21 June 2016 DOI: 10.1051/epjconf/201612202003