title: Perpendicular and tangential angularly resolved multi-sight neutral particle analyzer system in LHD.
abstract: The particle loss in a helical plasma can be found by measuring the angular distribution of the energetic neutral particles using the angularly resolved multi-sightline neutral particle analyzer (ARMS). In ARMS, the AXUV detector with 20 segments usually used as UV monitor is utilized as the particle detector. Two ARMSs, which are installed with perpendicular and tangential views are operated for measuring the real time neutral particle distribution and investigating the particle loss.
authors.affiliation: National Institute for Fusion Science, 322-6, Oroshi, Toki, Gifu 509-5292, Japan. ozaki@nifs.ac.jp
authors.forename: T
authors.initials: T
authors.lastname: Ozaki
authors.forename: E
authors.initials: E
authors.lastname: Veshchev
authors.forename: T
authors.initials: T
authors.lastname: Ido
authors.forename: A
authors.initials: A
authors.lastname: Shimizu
authors.forename: P
authors.initials: P
authors.lastname: Goncharov
authors.forename: S
authors.initials: S
authors.lastname: Sudo