Electron capture decay of 203Pb |
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| Affiliation: | 1. Institute of Isotopes of the Hungarian Academy of Sciences, H-1525 Budapest, P.O.B. 77, Hungary;2. Department of Chemistry, Faculty of Science, Tohoku University, Sendai 980, Japan;1. Department of Radiology, U.C. Davis, Sacramento, CA, USA;2. EXPLORER Molecular Imaging Center, UC Davis Health, 3195 Folsom Blvd., Suite 120, Sacramento, CA 95816, USA;3. Department of Biomedical Engineering, U.C. Davis, Davis, CA, USA;1. Healthy Physics Division, Institute of Nuclear Energy Research, Taiwan, ROC;2. Department of Physics, National Central University, Taiwan, ROC;3. Institute of Physics, Academia Sinica, Taiwan, ROC;4. Department of Medical Imaging & Radiological Sciences Chang Gung University, Taiwan, ROC;1. Biomedical Engineering Program, University of Wisconsin-Madison, Madison, WI 53705, USA;2. Faculty of Pharmacy, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil;3. Department of Drug Discovery and Pharmaceutical Sciences, Medical University of South Carolina, USA;4. Department of Nuclear Medicine, Radiology, NeuroRadiology, Medical Physics, Clinical Laboratory, Microbiology, Pathology, Santa Maria della Misericordia Hospital, Rovigo, Italy |
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| Abstract: | Intensities of γ-transitions emerging from the EC decay of 203Pb were measured precisely. The obtained relative γ-intensities are 100% (279.2 keV), 4.14 ± 0.08% (401.3 keV) and 0.932 ± 0.022% (680.5 keV). The 279.2 and 680.5 keV level feeding β-branching ratios were deduced to be 95.3 ± 0.1 and 4.7 ± 0.1% respectively. 203Pb is suggested for calibration purposes. |
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