A Whole-Body Spectrometer (WBS) at the Institute of Nuclear Physics, Kraków : design and results for Polish citizens visiting Japan during the Fukushima accident
A Whole-Body Spectrometer (WBS) at the Institute of Nuclear Physics, Kraków : design and results for Polish citizens visiting Japan during the Fukushima accident
The first Polish whole-body spectrometer (WBS) with scintillation detectors was constructed in Łódź in the
early sixties of the last century and was operating there for more than 30 years. In 2008, the 19th century steel shield of
this instrument was transported from Łódź to Kraków, where it was re-equipped with a modern gamma spectrometric
system. Design and construction of this modernized spectrometer is presented along with the results for in-body contamination
measurements of four Polish inhabitants who returned to Poland from Japan after the Fukushima accident
compared with the results for typical Polish inhabitants, the volunteers from the Institute of Nuclear Physics (IFJ, Kraków)
workers. Although, a clear signal from the Fukushima fallout was noticed for three of four persons who returned from
Japan, the calculated doses were negligible. No traces of Fukushima-originating radionuclides were noticed for the
examined people who have not traveled to Japan.
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