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Large-area multi-crystal NaI(Tl) detectors for X-ray and gamma-ray astronomy

Authors
Journal
Nuclear Instruments and Methods
0029-554X
Publisher
Elsevier
Publication Date
Volume
140
Issue
1
Identifiers
DOI: 10.1016/0029-554x(77)90085-4
Disciplines
  • Astronomy
  • Physics

Abstract

Abstract An array of large multi-crystal NaI(Tl) detectors was constructed and used in a balloon-borne experiment to observe weak, transient bursts of cosmic origin. The array had an active area of ∼ 1 m 2 and was sensitive to photons above 50 keV. Localized bursts which were observed are attributed to long-lived phosphorescence following large energy deposits by cosmic rays in the crystals.

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