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Discrimination of neutrons and $$gamma$$ ray by a neutron detector comprising a superconducting tunnel junction on a single crystal of Li$$_{2}$$B$$_{4}$$O$$_{7}$$

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

We evaluated the neutron-$$gamma$$-rays discrimination of the neutron detector comprising a superconducting tunnel junction (STJ) on the single crystal of Li$$_{2}$$B$$_{4}$$O$$_{7}$$. The neutron detector was irradiated with X-rays, $$gamma$$-rays and neutrons, and the signal pulses were analyzed including pulse height distributions and rise times. It was found that the most of the signal pulses for the neutron-events exhibited slower rise times than those for X-rays and $$gamma$$-rays. This indicated the capability of neutron-$$gamma$$-rays discrimination of the detector using the differences in the decay time of the signal current.

Language

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English

Journal

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Nuclear Instruments and Methods in Physics Research A

Volume

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529

Number

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1-3

Pages

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p.402 - 404

Publication Year/Month

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2004/08

Meeting title

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International Conference on Neutron Optics (NOP 2004)/3rd International Workshop on Position-Sensitive Neutron Detectors (PSND 2004)

Held date

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2004/01

Location (city)

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Tokyo

Location (country)

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Japan

Patent information

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PDF

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Paper URL

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https://doi.org/10.1016/j.nima.2004.05.020

DOI for research data

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Keywords

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$$Li_{2}B_{4}O_{7}$$ Single Crystal; Neutron; Detector; Superconducting Tunnel Junction; Phonon; $$gamma$$-rays; Discrimination

Research Facility

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JRR-3M(研究炉3)  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:48.81

Category:Instruments & Instrumentation

Altmetrics

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