Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Event-selection technique for the multi-layer Si<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll" id="d1e105" altimg="si2.gif"><mml:mo>−</mml:mo></mml:math>CdTe Compton camera onboard Hitomi

M. Ohno, Y. Fukazawa, Tsunefumi Mizuno, H. Takahashi, Yasuyuki Tanaka, J. Katsuta, Takafumi Kawano, Sho Habata, Chiho Okada, Norie Ohashi, Takuto Teramae, Koji Tanaka, Tadayuki Takahashi, M. Kokubun, Shin Watanabe, Goro Sato, Rie Sato, Masayuki Ohta, Yuusuke Uchida, Ryota Tamaru, Hiroki Yoneda, Kazuhiro Nakazawa, Hiroaki Murakami, H. Tajima, K. Yamaoka, Masaomi Kinoshita, Katsuhiro Hayashi, Takao Kitaguchi, Hirokazu Odaka

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 2018

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Summary

This paper presents event-selection techniques for the silicon–cadmium telluride Compton camera aboard the Hitomi X-ray observatory, focusing on computational and physical methods to distinguish genuine gamma-ray events from instrumental noise and background. The work is fundamental instrumentation methodology for space-based gamma-ray astronomy and does not address agricultural, nutritional, or farming-systems science. The record appears to have been catalogued in error within Vitagri's Pulse Brain.

UK applicability

This paper has no applicability to UK farming systems, soil health, nutrient density, or human nutrition research. It is an astrophysics instrumentation paper and falls entirely outside Vitagri's core remit.

Key measures

Event-selection algorithm performance metrics, signal-to-noise discrimination efficiency, gamma-ray event classification accuracy

Outcomes reported

The study describes computational and physical methods for discriminating genuine gamma-ray events from instrumental noise and background in the Hitomi satellite's Compton camera. Event-selection algorithms and their performance in distinguishing signal from artefacts are reported.

Theme
Measurement & metrics
Subject
Other / interdisciplinary
Study type
Research
Study design
Methodology paper / instrumentation development
Source type
Peer-reviewed study
Status
Published
Geography
Japan
System type
Other
DOI
10.1016/j.nima.2018.09.114
Catalogue ID
SNmoic26fg-81pha8

Topic tags

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