Radioactivity measurements of green tea leaves from Japan after the Fukushima incident
Abstract
A series of 32 green tea leaves samples from different Asian producers were analyzed by direct {\gamma}-ray spectrometry at the PRISNA facility in Bordeaux. All the samples contain about 500 Bq/kg of 40K and 10 Bq/kg of 210Pb. As expected, most of the recent Japanese samples contain also the 137Cs and 134Cs radio-isotopes, whose activity distributions are studied as a function of the geographical origin in order to get an insight on the outspread and fallout of radionuclides stemming from the 2011 Fukushima Dai-ichi Nuclear Power Plant incident.
- Publication:
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arXiv e-prints
- Pub Date:
- June 2018
- DOI:
- 10.48550/arXiv.1806.10070
- arXiv:
- arXiv:1806.10070
- Bibcode:
- 2018arXiv180610070P
- Keywords:
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- Physics - Popular Physics
- E-Print:
- 10 pages, 7 figures, 1 table