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JAEA Reports

Characteristics of 64 $$times$$ 64 channel high-position resolution neutron imaging detector

Sakasai, Kaoru; Katagiri, Masaki; Matsubayashi, Masahito; Rhodes, N.*; Schoonveld, E.*

JAERI-Research 2004-020, 19 Pages, 2004/12

JAERI-Research-2004-020.pdf:4.57MB

no abstracts in English

Journal Articles

Determination of detection efficiency curves of HPGe detectors on radioactivity measurement of volume samples

Saegusa, Jun; Kawasaki, Katsuya; Mihara, Akira; Ito, Mitsuo; Yoshida, Makoto

Applied Radiation and Isotopes, 61(6), p.1383 - 1390, 2004/12

 Times Cited Count:27 Percentile:85.48(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Neutron detection by superconducting tunnel junctions on a Li$$_{2}$$B$$_{4}$$O$$_{7}$$ single-crystal absorber

Nakamura, Tatsuya; Katagiri, Masaki; Ukibe, Masahiro*; Ikeuchi, Takashi*; Okubo, Masataka*

Nuclear Instruments and Methods in Physics Research A, 520(1-3), p.67 - 69, 2004/03

 Times Cited Count:26 Percentile:83.83(Instruments & Instrumentation)

We succeeded in detecting neutrons using superconducting tunnel junctions (STJs) fabricated on a single crystal of Li$$_{2}$$B$$_{4}$$O$$_{7}$$. Neutrons are captured in the crystal by the nuclear reactions $$^{6}$$Li + n $$rightarrow$$ T+ $$alpha$$ + 4.78 MeV and $$^{10}$$B + n $$rightarrow$$ $$^{7}$$Li + $$alpha$$ + 2.3 MeV, and generated phonons propagate in the absorber and are measured by the STJs. We selected a single crystal of Li$$_{2}$$B$$_{4}$$O$$_{7}$$ as the absorber material because of properties such as the large neutron cross-section of $$^{6}$$Li and $$^{10}$$B, low $$gamma$$-ray sensitivity, short particle range in the substrate, and fast phonon velocity. Series-connected or multiple STJs on the crystal would enable two-dimensional neutron imaging with high detection efficiency, low gamma-ray background, and a high spatial resolution of a few microns. We demonstrate neutron detection by the STJs and show their X-ray response and neutron detection. The correlation in pulse heights between two junctions located 1.3mm apart clearly indicates the possibility of neutron imaging.

Journal Articles

A Calibration technique for radioactive gas monitor with a built-in germanium detector

Yoshida, Makoto; Oishi, Tetsuya; Saegusa, Jun; Honda, Tetsutaro*; Takahashi, Koji*; Kuwabara, H.*

Proceedings of 10th International Congress of the International Radiation Protection Association (IRPA-10) (CD-ROM), 6 Pages, 2000/05

no abstracts in English

Journal Articles

Measurements of the response function and the detection efficiency of an NE213 scintillator for neutrons between 20 and 65 MeV

Meigo, Shinichiro

Nuclear Instruments and Methods in Physics Research A, 401, p.365 - 378, 1997/00

 Times Cited Count:55 Percentile:95.69(Instruments & Instrumentation)

no abstracts in English

Journal Articles

An Analysis for strengthening and rationalizing the IAEA safeguards

Nishimura, Hideo

Dai-13-Kai Kaku Busshitsu Kanri Gakkai Nihon Shibu Nenji Taikai Rombunshu, p.12 - 19, 1992/06

no abstracts in English

JAEA Reports

Data catalog of gamma ray response function for NaI(Tl) scintillation detectors by the Monte Carlo calculation

Saito, Kimiaki; Moriuchi, Shigeru

JAERI 1306, 121 Pages, 1987/08

JAERI-1306.pdf:4.02MB

no abstracts in English

Journal Articles

An on-line method for tritium production measurement with a pair of lithium-glass scintillators

; ; ;

Nuclear Instruments and Methods in Physics Research A, 254, p.413 - 418, 1987/00

 Times Cited Count:20 Percentile:87.41(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

A Method for Measuring Tritium Production Rate by Lithium-Glass Scientillators

; ; ;

JAERI-M 85-086, 40 Pages, 1985/07

JAERI-M-85-086.pdf:1.12MB

no abstracts in English

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