Determination of 134Cs activity with the sum-peak method using a well-type germanium detector
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The new sum peak method was applied to the samples containing both 137Cs and 134Cs using a well-type HPGe detector. The standard sources containing 137Cs and/or 134Cs were measured via a well-type HPGe detector. The activities estimated by the new sum-peak method agreed with the certified activities of the standard sources. It was proved that the activities of the samples collected around Fukushima Daiichi Nuclear Power Plant can be estimated by the new sum-peak method.
KeywordsSum peak method Radioactivity 134Cs 137Cs Well type Ge detector
We would like to acknowledge Dr. Haruka Minowa, Jikei University School of Medicine, for supplying the samples collected around the FDNPP. We would like to thank Mr. Chikashi Kosuda, Aichi Medical University, for assistance in the experiments. This experiments were carried out at Aichi Medical University.