Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2007, Vol. 18 ›› Issue (5): 261 doi: 10.1016/S1001-8042(07)60058-X

• NUCLEAR, HEAVY ION AND ATOMIC PHYSICS • Previous Articles     Next Articles

Evaluation of decay data of 213Bi

HUANG Xiaolong* WANG Baosong   

  1. China Institute of Atomic Energy, China Nuclear Data Center, Beijing 102413, China
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HUANG Xiaolong WANG Baosong. Evaluation of decay data of 213Bi.Nuclear Science and Techniques, 2007, 18(5): 261     doi: 10.1016/S1001-8042(07)60058-X
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Abstract: 213Bi disintegrates (97.91±0.03) % by β- emission to the levels in 213Po, and (2.09±0.03) % through α de-cay to 209Tl. The evaluation of the complete decay scheme and data of 213Bi including the recent new measurements are presented in this report. The Limitation of Relative Statistical Weight Method (LWM) was applied to average numbers throughout the evaluation. The uncertainty assigned to the average value was always greater than or equal to the smallest uncertainty of the values used to calculate the average. The half-life is determined to be 45.59±0.06 min-utes. All known measured gamma-ray relative emission probabilities have been examined. And the gamma-ray emis-sion probability of the reference γ line of 440.44keV is recommended to be (26.1±0.3) %. The calculated internal conversion coefficients and their uncertainties have been used to obtain the complete decay intensity balance. The other decay characteristics are calculated using the ENSDF analysis program. Finally the new 213Bi decay scheme was re-built.

Key words: Decay data, Evaluation, 213Bi