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Analysis reveals new gamma ray spectra and energy levels in 99Nb, indicating critical decay information.
Spectra of gamma rays from the 99Mo decay have been investigated by means of HPGe-detectors. The new data on relative intensities of gamma rays were obtained for region of energy above 150 keV. The level scheme of 99Nb was discussed. The existence of excited states 1004.06, 1072.21, 1129.14 and 1198.9 keV of 99Nb was confirmed. The existence of 761.24 and 1171.96 keV energy levels in the decay scheme was not verified.
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Lashko et al. (2002) studied this question.
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