Beam-transport optimization for cold-neutron spectrometerKenji Nakajima, Seiko Ohira-Kawamura, Tatsuya Kikuchi, Ryoichi Kajimoto, Nobuaki Takahashi, Mitsutaka Nakamura, Kazuhiko Soyama and Toyotaka OsakabeEPJ Web of Conferences, 83 (2015) 03011DOI: https://doi.org/10.1051/epjconf/20158303011