Title: Atomic Bomb Radiation Dosimetry in Hiroshima and Nagasaki and its Meanings
Authors: HOSHI MasaharuENDO SatoruTANAKA KenichiIMANAKA TetsujiHULT MikaelGASPARRO JoëlMARISSENS Gerd
Citation: Proceedings of the 52nd Annual Meeting of the Japan Radiation Research Society p. 62
Publisher: Japan Radiation Research Society
Publication Year: 2009
JRC N°: JRC63803
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC63803
Type: Contributions to Conferences
Abstract: Dosimetry system 2002 (DS02) has been established according to the collaboration among many institutions. DS02 calculates organ doses of atomic bomb survivors. At first emitted neutron and gamma-ray energy spectra from the Hiroshima and Nagasaki atomic bombs were calculated and were used to calculate air transport, absorption and transmission through Japanese houses. Finally organ doses of each atomic bomb survivor were obtained. On the other hand bricks and roof tiles were collected and gamma-ray doses were measured. Similarly iron, granite and copper samples were collected and neutron induced radioactivities such as Co-60 and Eu-152. In this paper obtained results of DS02 and the background of the construction of DS02 are shown. Among those data only Co-60 data were not agreed with DS02 at the longer distances. Here we introduce new Co-60 measurements, of which data show good agreement with DS02 at longer distances
JRC Institute:Institute for Reference Materials and Measurements

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