pp. 269-275
S&M1065 Research Paper of Special Issue https://doi.org/10.18494/SAM.2015.1093 Published: April 9, 2015 Portable Neutron Detector Using Ce:LiCaAlF6 Scintillator [PDF] Kenichi Watanabe, Takayuki Yanagida, Kentaro Fukuda, Akifumi Koike, Toru Aoki and Akira Uritani (Received November 27, 2014; Accepted February 4, 2015) Keywords: neutron detector, Ce:LiCaAlF6 scintillator, portable detector
We fabricated a prototype portable neutron detector using a Ce:LiCaAlF6 (Ce:LiCAF) scintillator and evaluated its basic performance. The weight of the fabricated detector including the battery is 800 g, significantly less than that of the conventional portable neutron detector, which weighs more than 5 kg. The neutron sensitivity of the fabricated detector is evaluated to be 2.3 cps/(µSv/h), comparable to that of the conventional detector. The gamma-ray intrinsic detection efficiency is evaluated to be less than 10−6. The gamma-ray sensitivity is sufficiently low under ordinary circumstances. The expected count rate of the error counting due to the pile-up effect of gamma-ray-induced events is confirmed to be less than the background count rate for an incident gamma-ray rate of less than 104 gammas/s.
Corresponding author: Kenichi WatanabeCite this article Kenichi Watanabe, Takayuki Yanagida, Kentaro Fukuda, Akifumi Koike, Toru Aoki and Akira Uritani, Portable Neutron Detector Using Ce:LiCaAlF6 Scintillator, Sens. Mater., Vol. 27, No. 3, 2015, p. 269-275. |