A Satellite-Borne High-Resolution Ge(Li) Gamma-Ray Spectrometer System Part 1: Description of the Instrument and Gamma-Ray Backgrounds in Earth Orbit
- 1 January 1974
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 21 (1), 159-163
- https://doi.org/10.1109/TNS.1974.4327456
Abstract
Gamma radiation from terrestrial and extraterrestrial sources has been investigated for the first time with a high-resolution lithium-drifted germanium spectrometer-cryogen system flown on board a low-altitude, spin-stabilized, polar-orbiting satellite (1972-076B) launched on October 2, 1972. Gamma-ray pulses corresponding to energies between 40 keV and ~ 2.8 MeV are analyzed by a 4096-channel pulse-height analyzer with an overall system resolution of 3.5 - 4.0 keV FWHM (1.33 MeV Co60). A description of the instrument, its performance in earth orbit and preliminary results of the gamma-ray backgrounds are presented.Keywords
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