Title: Measurements of 60Co in Massive Steel Samples Exposed to the Hiroshima Atomic Bomb Explosion
Authors: GASPARRO JoëlHULT MikaelMARISSENS GerdHOSHI MasaharuTANAKA KenichiENDO SatoruLAUBENSTEIN Matthias
Publisher: Publications Office of the European Commission
Publication Year: 2010
JRC N°: JRC56541
ISBN: 978-92-79-14851-4
ISSN: 1018-5593
Other Identifiers: EUR 24146 EN
OPOCE LA-NA-24146-EN-C
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC56541
DOI: 10.2787/22773
Type: EUR - Scientific and Technical Research Reports
Abstract: In order to help solving discrepancies in retrospective Hiroshima dosimetry, sixteen steel samples from Hiroshima were measured in the underground laboratory HADES. The aim was to measure the specific activity of 60Co. Although it was found that activities at long range (> 1300 m slant range) were mainly cosmogenically induced, the activities were so low that former measurements that were 10 to 100 times higher than predicted by computer model calculations in DS86 and DS02 could be refuted. As a consequence, the confidence in the existing dose estimates has become stronger.
JRC Institute:Institute for Reference Materials and Measurements

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