A diamond 14 MeV neutron energy spectrometer with high energy resolution

A self-standing single-crystal chemical vapor deposited diamond was obtained using lift-off method. It was fabricated into a radiation detector and response function measurements for 14 MeV neutrons were taken at the fusion neutronics source. 1.5% of high energy resolution was obtained by using the...

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Veröffentlicht in:Review of scientific instruments 2016-02, Vol.87 (2), p.023503-023503
Hauptverfasser: Shimaoka, Takehiro, Kaneko, Junichi H., Ochiai, Kentaro, Tsubota, Masakatsu, Shimmyo, Hiroaki, Chayahara, Akiyoshi, Umezawa, Hitoshi, Watanabe, Hideyuki, Shikata, Shin-ichi, Isobe, Mitsutaka, Osakabe, Masaki
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container_issue 2
container_start_page 023503
container_title Review of scientific instruments
container_volume 87
creator Shimaoka, Takehiro
Kaneko, Junichi H.
Ochiai, Kentaro
Tsubota, Masakatsu
Shimmyo, Hiroaki
Chayahara, Akiyoshi
Umezawa, Hitoshi
Watanabe, Hideyuki
Shikata, Shin-ichi
Isobe, Mitsutaka
Osakabe, Masaki
description A self-standing single-crystal chemical vapor deposited diamond was obtained using lift-off method. It was fabricated into a radiation detector and response function measurements for 14 MeV neutrons were taken at the fusion neutronics source. 1.5% of high energy resolution was obtained by using the 12C(n, α)9Be reaction at an angle of 100° with the deuteron beam line. The intrinsic energy resolution, excluding energy spreading caused by neutron scattering, slowing in the target and circuit noises was 0.79%, which was also the best resolution of the diamond detector ever reported.
doi_str_mv 10.1063/1.4940929
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source AIP Journals Complete; Alma/SFX Local Collection
subjects BERYLLIUM 9
CARBON 12
CHEMICAL VAPOR DEPOSITION
DEUTERON BEAMS
Deuterons
DIAMONDS
ENERGY RESOLUTION
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Ion beams
MEV RANGE 10-100
MONOCRYSTALS
NEUTRON DIFFRACTION
Neutron scattering
NEUTRONS
NOISE
Organic chemistry
RADIATION DETECTORS
RESPONSE FUNCTIONS
Scientific apparatus & instruments
Single crystals
SPECTROMETERS
title A diamond 14 MeV neutron energy spectrometer with high energy resolution
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