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Journal Articles

InSb cryogenic radiation detectors

Kanno, Ikuo*; Hishiki, Shigeomi*; Sugiura, Osamu*; Xiang, R.*; Nakamura, Tatsuya; Katagiri, Masaki

Nuclear Instruments and Methods in Physics Research A, 568(1), p.416 - 420, 2006/11

 Times Cited Count:13 Percentile:68.77(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Use of liquid helium-3 as a neutron converter for a semiconductor-based neutron detector

Nakamura, Tatsuya; Katagiri, Masaki; Aratono, Yasuyuki; Kanno, Ikuo*; Hishiki, Shigeomi*; Sugiura, Osamu*; Murase, Yasuhiro*

Nuclear Instruments and Methods in Physics Research A, 529(1-3), p.399 - 401, 2004/08

 Times Cited Count:1 Percentile:10.64(Instruments & Instrumentation)

We evaluated the neutron-detection characteristics of a cryogenic neutron detector operating at 1.6 K, which comprises a liquid helium-3 as a neutron converter and an InSb semiconductor detector. The InSb semiconductor detector detected the protons created in the nuclear reaction $$^{3}He + n rightarrow p + T$$ in the liquid helium-3, where the density of that is ~600 times larger than that of the gaseous helium-3 at room temperature.

Journal Articles

Cryogenic neutron detector by InSb semiconductor detector with high-density helium-3 gas converter

Nakamura, Tatsuya; Katagiri, Masaki; Aratono, Yasuyuki; Kanno, Ikuo*; Hishiki, Shigeomi*; Sugiura, Osamu*; Murase, Yasuhiro*

Nuclear Instruments and Methods in Physics Research A, 520(1-3), p.76 - 79, 2004/03

 Times Cited Count:8 Percentile:50.96(Instruments & Instrumentation)

The neutron-detection characteristics of a cryogenic neutron detector comprising an InSb semiconductor detector and a helium-3 gas converter were evaluated at a gas pressure of up to 12.5atm at 4.2K. The detector successfully detected stable neutrons under these conditions, where the density of the helium-3 gas is a few-hundred times higher than that at room temperature. It was found that the neutron detection efficiency was correlated with the gas pressure - even in a backward-detection configuration - in low-temperature, high-pressure helium-3.

Journal Articles

Cryogenic neutron detector comprising an InSb semiconductor detector and a supercritical helium-3 gas converter

Nakamura, Tatsuya; Katagiri, Masaki; Aratono, Yasuyuki; Kanno, Ikuo*; Hishiki, Shigeomi*; Sugiura, Osamu*; Murase, Yasuhiro*

Review of Scientific Instruments, 75(2), p.340 - 344, 2004/02

 Times Cited Count:6 Percentile:37.25(Instruments & Instrumentation)

We evaluated the neutron-detection characteristics of a proposed cryogenic neutron detector comprising an InSb semiconductor detector and a helium-3 gas converter. The neutron detector was operated at 4.2 K with helium-3 gas filling up to 1.5 atm, at which the density of the helium-3 nucleus corresponds to that at 160 atm at room temperature. The secondary particles generated by the $$^{3}$$He(n,p) T reaction were successfully detected by the InSb detector with a time response of $$sim$$80 nsec at all tested gas pressures.

Journal Articles

Undoped-type InSb radiation detector with rapid rise time

Hishiki, Shigeomi*; Kanno, Ikuo*; Sugiura, Osamu*; Murase, Yasuhiro*; Nakamura, Tatsuya; Katagiri, Masaki

Radiation Detectors and Their Uses, p.113 - 117, 2003/00

We fabricated the schottkey-type InSb semiconductor radiation detector using an undoped InSb substrate, and evaluated the charactersitics of the alpha particle detection. The InSb detectors detected alphar particles successfully at all the tested temperature from 4.2 to 115 K. The 10-to-90% rise times of the preamplifier outputs were about 350 nsec regardless of the operating temperature. These fast rise times were about 20 times improved comparing to those from p-type InSb semiconductor detector.

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