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Takahashi, Masa; Kinase, Sakae; Kramer, R.*
KEK Proceedings 2008-7, p.34 - 40, 2008/10
In 2007, the International Commission on Radiological Protection (ICRP) recommends that effective doses from internal sources be calculated using reference computational phantoms of the human body based on medical tomographic images. The phantoms, which consist of voxels that make up defined organs, have been adjusted to approximate the organ masses assigned to the Reference Male and Reference Female in ICRP Publ.89. The purpose of the present study is to evaluate counting efficiencies of a JAEA whole-body counter for a voxel phantom "MAX06", which has organ and tissue masses adjusted to the reference masses given in ICRP Publ.89. We reached the preliminary conclusion that the counting efficiencies of the JAEA whole-body counter using the "MAX06" phantom are useful for the reliable assessment of internal exposure.