{"title":"Evaluation and measurement of 55Fe radioactivity in accelerator hardware activated at high energy accelerator facilities","authors":"Yuichi Oki, Masaharu Numajiri, Takenori Suzuki, Taichi Miura, Kenjiro Kondo","doi":"10.1016/0883-2889(92)90008-3","DOIUrl":null,"url":null,"abstract":"<div><p>It was indicated that <sup>55</sup>Fe (EC decay, half-life: 2.7 y) is the most abundant radioisotope in the residual activities formed in hardware composed of iron and steel at high energy accelerator facilities. Its approximate activity could be evaluated on the basis of an integrated neutron flux measured by an activation method using a copper threshold detector. Both a low energy photon spectroscopy and a liquid scintillation counting method were confirmed to be applicable to <sup>55</sup>Fe measurement with high sensitivity.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90008-3","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0883288992900083","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
It was indicated that 55Fe (EC decay, half-life: 2.7 y) is the most abundant radioisotope in the residual activities formed in hardware composed of iron and steel at high energy accelerator facilities. Its approximate activity could be evaluated on the basis of an integrated neutron flux measured by an activation method using a copper threshold detector. Both a low energy photon spectroscopy and a liquid scintillation counting method were confirmed to be applicable to 55Fe measurement with high sensitivity.
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