title: A diamond 14 MeV neutron energy spectrometer with high energy resolution.
abstract: A self-standing single-crystal chemical vapor deposited diamond was obtained using lift-off method. It was fabricated into a radiation detector and response function measurements for 14 MeV neutrons were taken at the fusion neutronics source. 1.5% of high energy resolution was obtained by using the (12)C(n, α)(9)Be reaction at an angle of 100° with the deuteron beam line. The intrinsic energy resolution, excluding energy spreading caused by neutron scattering, slowing in the target and circuit noises was 0.79%, which was also the best resolution of the diamond detector ever reported.
authors.affiliation: Graduate School of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.
authors.forename: Takehiro
authors.initials: T
authors.lastname: Shimaoka
authors.affiliation: Graduate School of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.
authors.forename: Junichi H
authors.initials: JH
authors.lastname: Kaneko
authors.affiliation: Fusion Research and Development Directorate, Japan Atomic Energy Agency, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan.
authors.forename: Kentaro
authors.initials: K
authors.lastname: Ochiai
authors.affiliation: Graduate School of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.
authors.forename: Masakatsu
authors.initials: M
authors.lastname: Tsubota
authors.affiliation: Graduate School of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Shimmyo
authors.affiliation: National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan.
authors.forename: Akiyoshi
authors.initials: A
authors.lastname: Chayahara
authors.affiliation: National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan.
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Umezawa
authors.affiliation: National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan.
authors.forename: Hideyuki
authors.initials: H
authors.lastname: Watanabe
authors.affiliation: National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan.
authors.forename: Shin-ichi
authors.initials: S
authors.lastname: Shikata
authors.affiliation: National Institute for Fusion Science, 322-6, Oroshi-cho, Toki-City, Gifu 509-5292, Japan.
authors.forename: Mitsutaka
authors.initials: M
authors.lastname: Isobe
authors.affiliation: National Institute for Fusion Science, 322-6, Oroshi-cho, Toki-City, Gifu 509-5292, Japan.
authors.forename: Masaki
authors.initials: M
authors.lastname: Osakabe