title: Semi-empirical formula for gamma-ray streaming through bend duct with arbitrary flexion angles.
authors.affiliation: Japan Atomic Energy Agency, 2-4 Shirakata-Shirane, Tokai-mura, Ibaraki 319-1195, Japan. matsuda.norihiro@jaea.go.jp
authors.forename: Norihiro
authors.initials: N
authors.lastname: Matsuda
authors.forename: Nobuo
authors.initials: N
authors.lastname: Sasamoto