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Journal Articles

Development of new analytical method based on $$beta$$-$$alpha$$ coincidence method for selective measurement of $$^{214}$$Bi-$$^{214}$$Po; Application to dust filter used in radiation management

Sanada, Yukihisa; Tanabe, Yoichiro*; Iijima, Nobuo; Momose, Takumaro

Radiation Protection Dosimetry, 146(1-3), p.80 - 83, 2011/07

https://doi.org/10.1093/rpd/ncr116
 Times Cited Count：2 Percentile：18.25(Environmental Sciences)

The radionuclide pair $$^{214}$$Bi and $$^{214}$$Bi which belongs to the uranium-series interferes with airborne radionuclide measurement, needed for the radiation management of a nuclear facility. Time intervals between $$^{214}$$Bi ($$alpha$$) and $$^{214}$$Po ($$beta$$) are much shorter than artificial radionuclides due to the short half-life of $$^{214}$$Po (164 $$mu$$s). Measurement of airborne radionuclides can subtract this background by the selective measurement of $$^{214}$$Bi-$$^{214}$$Po. The purpose of this study is to develop of a new analytical method (Time interval analysis: TIA) based on the beta-alpha coincidence method for selective measurement of $$^{214}$$Bi-$$^{214}$$Po. The developed method was applied to an actual dust-filter measurement.

Journal Articles

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Akiyama, Kiyomitsu;

Donen Giho, (94), p.63 - 66, 1995/06

https://jopss.jaea.go.jp/pdfdata/PNC-TN1340-95-002.pdf

None

Oral presentation

Training program of the surface contamination monitoring at the Tokai reprocessing plant

Takahata, Eiji; Iijima, Nobuo; Yamashita, Tomoyuki; Akiyama, Kiyomitsu

no journal, , 

A training program of the body surface contamination at the Tokai Reprocessing Plant is introduced. This program takes consideration with low-level measurement of alpha and beta ($$gamma$$) contamination in workplace. The training effect of this program is evaluated by actual survey tests.

Oral presentation

Radiation protection at Tokai Reprocessing Plant, JAEA

Endo, Kuniaki; Iijima, Nobuo; Yoshitsugu, Yuichi; Ito, Yasuhisa; Momose, Takumaro

no journal, , 

no abstracts in English

Oral presentation

Radiation management under circumstances of ventilation stop at the reprocessing plant; The Effect of radon progenies on airborne monitoring

Iijima, Nobuo; Sanada, Yukihisa; Yamashita, Tomoyuki; Momose, Takumaro

no journal, , 

no abstracts in English

Oral presentation

Radiation management under circumstances of ventilation stop at the reprocessing plant; The Effect of radon progenies on airborne monitoring

Hokama, Tomonori; Iijima, Nobuo; Sanada, Yukihisa; Yamashita, Tomoyuki; Momose, Takumaro

no journal, , 

no abstracts in English

Oral presentation

Characteristic for high count rate of commercial $$alpha$$/$$beta$$ survey meter

Iijima, Nobuo; Sanada, Yukihisa; Sakuyama, Mitsuhiro*; Yamano, Toshiya*; Momose, Takumaro

no journal, , 

no abstracts in English

Oral presentation

Development of smear measuring method by liquid scintillation counter

Nakamura, Keisuke; Iijima, Nobuo; Yamashita, Tomoyuki; Shiba, Kozo; Momose, Takumaro

no journal, , 

no abstracts in English

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