Neutron-Production Double-Differential Cross Sections of Iron and Lead by 0.8 and 1.5 GeV Protons in the Most-Forward Direction

Satoh, Daiki; Shigyo, Nobuhiro; Ishibashi, Kenji; Takayama, Yasushi; Ishimoto, S.; Iwamoto, Yosuke; Tenzou, Hideki; Nakamoto, T.; Numajiri, M.; Meigo, Shin-ichiro

doi:10.3327/jnst.40.283

Cited by 4 publications

(1 citation statement)

References 17 publications

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“…Evaluation of Neutron Dose (1) Conventional G-function Dose from higher energy neutrons is evaluated from the light output distribution of the neutron scintillations by applying the G-function method. The response function of BC501A with respect to the neutron scintillations was computed by the Monte-Carlo based scintillator response calculation code SCINFUL-QMD 13) coupled with the Particle and Heavy Ion Transport code System PHITS. 14) The two irradiation geometries-isotropic and parallel to the front surface-were assumed in the calculation.…”

Section: Dose Evaluation Methods 1 Principle Of G-function Methodsmentioning

confidence: 99%

Development of Dose Monitoring System Applicable to Various Radiations with Wide Energy Ranges

Sato¹,

Satoh²,

Endo³

et al. 2005

Journal of Nuclear Science and Technology

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A new inventive radiation dose monitor, designated as DARWIN (Dose monitoring system Applicable to various Radiations with WIde energy raNges), has been developed for monitoring doses in workspaces and surrounding environments of high energy accelerator facilities. DARWIN is composed of a phoswitch-type scintillation detector, which consists of liquid organic scintillator BC501A coupled with ZnS(Ag) scintillation sheets doped with 6 Li, and a data acquisition system based on a Digital-Storage-Oscilloscope. Scintillations from the detector induced by thermal and fast neutrons, photons and muons were discriminated by analyzing their waveforms, and their light outputs were directly converted into the corresponding doses by applying the G-function method. Characteristics of DARWIN were studied by both calculation and experiment. The calculated results indicate that DARWIN gives reasonable estimations of doses in most radiation fields. It was found from the experiment that DARWIN has an excellent property of measuring doses from all particles that significantly contribute to the doses in surrounding environments of accelerator facilities-neutron, photon and muon with wide energy ranges. The experimental results also suggested that DARWIN enables us to monitor small fluctuation of neutron dose rates near the background-level owing to its high sensitivity.

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Section: Dose Evaluation Methods 1 Principle Of G-function Methodsmentioning

confidence: 99%