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Oral presentation

The Radiation control for the decontamination and recovery of high concentration radioactive residue in the waste storage tank

Arakawa, Yuto; Fujii, Katsutoshi; Mimura, Ryuji; Nakashio, Nobuyuki; Onuma, Isamu; Shishido, Nobuhito; Umehara, Takashi

no journal, , 

no abstracts in English

Oral presentation

Application of the small OSL elements to the ring type dosemeter

Miyauchi, Hideaki; Yoshitomi, Hiroshi; Takahashi, Fumiaki; Tachibana, Haruo; Suzuki, Akifumi; Sato, Yoshitaka*; Kobayashi, Ikuo*

no journal, , 

In the Japan Atomic Energy Agency (JAEA), exposures to fingertips can be significant in radiological decontamination at the facilities with mixture fields of beta and $$gamma$$ (X) rays. The radiation doses to fingertips have been measured by ring type dosemeters equipped with thermoluminescence dosemeters (TLD) in JAEA. We applied small Optically Stimulated Luminescence (OSL) elements to the ring type dosemeter, which has the advantages in the use for long term and repeating in dose measurements comparing to the TLDs. The ring type dosemeter using OSL elements have started operating from 2012.

Oral presentation

Validation of coincidence-summing correction based on the peak-to-total ratio

Saegusa, Jun; Maeda, Satoshi; Okazaki, Tsutomu; Yoda, Tomoyuki; Takeishi, Minoru

no journal, , 

no abstracts in English

Oral presentation

Characterization including removal factor of materials used for smear method on radiation protection, 2

Iwasa, Atsutoshi; Nakayama, Naoto; Maeda, Eita; Usui, Toshihide; Kano, Yutaka; Takashima, Hideki; Irokawa, Hiroyuki

no journal, , 

no abstracts in English

Oral presentation

Relation between radioactivity concentration in soil and ambient dose equivalent rate for localized radiocesium contamination

Tsujimura, Norio; Yoshida, Tadayoshi; Hoshi, Katsuya

no journal, , 

no abstracts in English

Oral presentation

The Necessity for measurement of the $$beta$$ 3-mm-depth dose equivalent

Tsujimura, Norio

no journal, , 

no abstracts in English

Oral presentation

Systematization of correction factors of Ge detector efficiencies for volume samples with different filling conditions

Yoda, Tomoyuki; Maeda, Satoshi; Funaki, Hironori; Saegusa, Jun; Takeishi, Minoru

no journal, , 

In the measurement of the sample with different filling conditions, it is necessary to revise a detection efficiency. It systematize a correction factors of Ge detector efficiencies by Monte Carlo calculation and the measurement.

Oral presentation

Secular variation of ambient dose rate for three years after the Fukushima Daiichi Nuclear Power Plant accident around the Tokai Reprocessing Plant

Nishimura, Tomohiro; Mizutani, Tomoko; Nakano, Masanao; Watanabe, Hitoshi

no journal, , 

no abstracts in English

8 (Records 1-8 displayed on this page)
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