Evaluation of decay data of 213Bi

NUCLEAR, HEAVY ION AND ATOMIC PHYSICS

Evaluation of decay data of ²¹³Bi

HUANG Xiaolong，

WANG Baosong

Nuclear Science and Techniques

Vol.18, No.5

pp.261-267

Published in print 20 Oct 2007

DOI：10.1016/S1001-8042(07)60058-X

CLC：O571.4

57801

²¹³Bi disintegrates (97.91±0.03) % by β^- emission to the levels in ²¹³Po, and (2.09±0.03) % through α decay 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 minutes. All known measured gamma-ray relative emission probabilities have been examined. And the gamma-ray emission 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.

Decay dataEvaluation213Bi

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