Summary
This paper presents the technical design and performance characteristics of the Soft Gamma-ray Detector (SGD) aboard the Hitomi X-ray satellite. The SGD combines silicon and cadmium telluride semiconductor sensors with active shielding and Compton camera technology to achieve low-background gamma-ray observations in the 60–600 keV band with exceptional energy resolution. Although the satellite operated only briefly before spacecraft failure in March 2016, ground and orbital performance data are documented in detail.
UK applicability
This paper is not applicable to UK farming systems, soil health, or food production research and appears to have been catalogued in error within the Pulse Brain system.
Key measures
Energy resolution (<7 eV), energy coverage (0.3–600 keV), background rejection via Compton kinematics, detector efficiency, on-orbit observational performance
Outcomes reported
The study reports on the design, construction, and on-orbit performance of the Soft Gamma-ray Detector (SGD) instrument aboard the Hitomi satellite, which observed gamma rays in the 60–600 keV energy band. Performance metrics included energy resolution, background rejection efficiency, and observational data from the Crab Nebula before spacecraft failure.
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