[2M06-09] New Detector and Analysis Methods

[2M07] Upgrade of the spectral determination method by sensor fusion concept

*Masumi Oshima¹, Jun Goto², Hayakawa Takehito³, Tadahiro Kin⁴, Katsuyuki Suzuki¹, Haifeng Shen¹, Yuichi Sano¹, Hirofumi Shinohara¹ (1. Japan Chemical Analysis Center, 2. Niigata Univ., 3. Nat. Inst. for Quant. Radiolog. Sci. Tech., 4. Kyushu Univ.)

Keywords:spectral analysis, radioactivity determination, gamma-ray spectrum, beta-ray spectrum, sensor fusion concept

We have developed the spectral determination method (SDM) that can be applied to gamma-ray spectra from NaI and Ge detectors and to beta-ray (+X-, gamma-ray) spectra from liquid scintillation counters (LSC). Since this method directly analyzes such spectral data, it can be applied to the fused heterogeneous data by the sensor fusion concept. In this study, the upgraded SDM method of SDM-BG was applied to the fused data of gamma-ray spectra from a Ge detector and LSCspectra, and the method was demonstrated to be useful for beta, gamma, and EC nuclides. The performance of the method is reported.