One candidate method based on short-lived indicator for burnup analysis

Abstract One novel gamma spectrometry method based on short-lived fission products was developed that can infer the level of burnup without complex computations or knowing irradiation history. The relationship between the burnup information and equilibrium concentration of short-lived indicators was derived. In addition, new candidate indicators for gamma spectrum analysis, such as 88 Kr, 91 Sr, 92 Sr, 135 I and 142 La were screened out. The results of three cases simulated with ORIGEN and MCNP were in good agreement with the theoretical values.