Properties of a Large NaI(Tl) Spectrometer for the Energy Measurement of High-Energy Gamma Rays on the Gamma Ray Observatory
- Resource Type
- Periodical
- Authors
- Hughes, E. B.; Finman, L. C.; Hofstadter, R.; Lepetich, J. E.; Lin, Y. C.; Mattox, J. R.; Nolan, P. L.; Parks, R.; Walker, A. H.
- Source
- IEEE Transactions on Nuclear Science IEEE Trans. Nucl. Sci. Nuclear Science, IEEE Transactions on. 33(1):728-731 Feb, 1986
- Subject
- Nuclear Engineering
Bioengineering
Spectroscopy
Energy measurement
Gamma rays
Observatories
Telescopes
Extraterrestrial measurements
Positrons
Packaging
Physics
Testing
- Language
- ISSN
- 0018-9499
1558-1578
A large NaI(Tl) spectrometer is expected to play a crucial role in the measurement of the energy spectra from an all-sky survey of high-energy celestial gamma rays on the Gamma Ray Observatory. The crystal size and requirements of space flight have resulted in a novel crystal-packaging and optics combination. The structure of this spectrometer and the operating characteristics determined in a test program using high energy positrons are described.