title: Investigation of properties of the TIARA neutron beam facility of importance for calibration applications.
abstract: Evaluation of the properties for quasi-monoenergetic neutron calibration fields of high energies more than 20 MeV at TIARA is proceeding for development of the field. Among the properties needed for the development as the standard calibration field, we report on measurement of the neutron beam profile using an imaging plate with a polyethylene converter and on estimation of the contribution of scattered neutrons into the irradiation field based on pulse height distribution at various off-beam positions measured using an organic liquid scintillation detector.
authors.affiliation: Department of Radiation Protection, Nuclear Science Research Institute, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195, Japan. shikaze.yoshiaki@jaea.go.jp
authors.forename: Y
authors.initials: Y
authors.lastname: Shikaze
authors.forename: Y
authors.initials: Y
authors.lastname: Tanimura
authors.forename: J
authors.initials: J
authors.lastname: Saegusa
authors.forename: M
authors.initials: M
authors.lastname: Tsutsumi
authors.forename: Y
authors.initials: Y
authors.lastname: Yamaguchi
authors.forename: Y
authors.initials: Y
authors.lastname: Uchita
mesh_terms: D002138:Calibration; D004867:Equipment Design; D019544:Equipment Failure Analysis; D007564:Japan; D009502:Neutrons; D010315:Particle Accelerators / Q000295:instrumentation* / Q000592:standards*; D011829:Radiation Dosage; D011874:Radiometry / Q000295:instrumentation* / Q000592:standards*