Abstract
The natural background gamma (NBG) spectrum was accumulated inside the laboratory, with 102.88 cm3 Ge(Li) detector, to investigate bismuth natural radionuclides in the energy range of 500–1700 keV. The relative intensities of identified214Bi gamma lines were obtained from the spectrum. The results were in good agreement with that obtained from a source of a precise strength. Out of the 25 gamma lines of214Bi, 19 lines were established including 6 lines observed for the first time in the NBG spectrum. Most of the gamma lines of211Bi and212Bi were observed. Some of these lines are new.
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Al-Dargazelli, S.S. Bismuth radionuclides in the natural background gamma radiation spectrum. Journal of Radioanalytical and Nuclear Chemistry, Articles 116, 3–12 (1987). https://doi.org/10.1007/BF02037206
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DOI: https://doi.org/10.1007/BF02037206