Spectra of radioactivity induced in cesium iodide scintillator crystals by 155 MeV protons
Previous work has shown the importance of induced radioactivity as a source of background counts in x- and gamma -ray astronomy experiments which use scintillation detectors. Comprehensive data on the decay spectra observed in cesium iodide crystals following irradiation by 155 MeV protons has been obtained by the Imperial College group and is presented here. The spectra cover the energy loss range from 20 keV to 3.4 MeV and were collected at times after irradiation ranging from 1 min until 200 d. A sufficient selection of spectra is given to enable calculations to be made of the time variations in radioactivity which would be observed in similar space-borne detectors subjected to irradiation by inner belt and cosmic-ray protons. Examples of such calculations are given. (auth)
- Research Organization:
- Imperial Coll. of Science and Tech., London
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-29-019094
- OSTI ID:
- 4362446
- Journal Information:
- Astrophys. Space Sci., v. 24, no. 1, pp. 95-104, Other Information: Orig. Receipt Date: 30-JUN-74
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
N46110 -Instrumentation-Radiation Detection Instruments-General Detectors & Monitors
*CESIUM IODIDES- RADIATION EFFECTS
*PROTON BEAMS- RADIATION EFFECTS
*SCINTILLATION COUNTERS- RADIATION EFFECTS
CRYSTALS
ENERGY SPECTRA
MEV RANGE 100-1000