ANALYSES OF H*(10) DOSE RATES MEASURED IN ENVIRONMENT CONTAMINATED BY RADIOACTIVE CAESIUM: CORRECTION OF DIRECTIONAL DEPENDENCE OF SCINTILLATION DETECTORS-Reference-Cited by-同舟云学术

ANALYSES OF H*(10) DOSE RATES MEASURED IN ENVIRONMENT CONTAMINATED BY RADIOACTIVE CAESIUM: CORRECTION OF DIRECTIONAL DEPENDENCE OF SCINTILLATION DETECTORS

Published:2021-03 Issue:3-4 Volume:193 Page:228-236
ISSN:0144-8420
Container-title:Radiation Protection Dosimetry
language:en
Short-container-title:

Author:

Tsuda S¹,Tanigaki M²,Yoshida T³,Okumura R²,Saito K⁴

Affiliation:

1. Research group for radiation transport analysis, Japan Atomic Energy Agency, 2-4, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan

2. Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka 590-0494, Japan

3. Emergency Administration Section, Japan Atomic Energy Agency, 765-1 Funaishikawa, Tokai-mura, Naka-gun, Ibaraki 319-1184, Japan

4. Sector of Nuclear Safety Research and Emergency Preparedness, Japan Atomic Energy Agency, 148-4 Kashiwanoha Campus,178-4 Wakashiba, Kashiwa-city, Chiba, 277-0871, Japan

Abstract

Abstract Ambient dose equivalent rates were measured in the environment of the Fukushima prefecture using NaI(Tl)/CsI(Tl) scintillation detectors and CdZnTe/Ge semiconductor detectors. The dose rates obtained at the same locations varied beyond uncertainty (1σ). By replacing the spectrum-dose conversion operators obtained from the anterior–posterior geometry with those from the rotational geometry, the dose rates agreed with each other within uncertainties, except for a CsI(Tl) scintillation detector with a considerably flat crystal configuration, due to its excessive directional dependence.

Funder

Nuclear Regulation Authority

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

Link

http://academic.oup.com/rpd/article-pdf/193/3-4/228/37937861/ncab060.pdf

Reference22 articles.

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