Abstract

Samples of 77Kr were produced by (n, 2n) reaction with a DT accelerator, the decay of 77Kr has been tracked by the reference source method with three High-Purity Germanium (HPGe) detectors. Experimental data were recorded at regular time intervals during measurements covering more than 600 min. The determined half-life of 77Kr is 71.25 (42) min, which indicated that the most recent values reported in the 1970s and the value recommended by Evaluated Nuclear Structure Data File (ENSDF) may be biased.

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