Assessment of effective dose with personal dosimeters: Account of the effect of anisotropy of workplace fields

Proposed is a method for better estimation of effective dose E based on readouts of personal dosemeter calibrated in terms of personal dose equivalent Hp ( 10 ) . This method uses data on anisotropy of workplace radiation fields and parameters of distributions of conversion coefficient between Hp (...

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Bibliographic Details
Published inRadiation measurements Vol. 43; no. 2; pp. 655 - 658
Main Authors Chumak, Vadim V., Bakhanova, Elena V.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier Ltd 01.02.2008
Elsevier
Subjects
Anisotropy
Conversion coefficient
Earth sciences
Earth, ocean, space
Effective dose
Exact sciences and technology
Geochronology
Isotope geochemistry. Geochronology
Personal dosemeter
Personal dosemeter
Effective dose
Conversion coefficient
Anisotropy
radiation
simulation
anisotropy
classification
conversion
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Summary:Proposed is a method for better estimation of effective dose E based on readouts of personal dosemeter calibrated in terms of personal dose equivalent Hp ( 10 ) . This method uses data on anisotropy of workplace radiation fields and parameters of distributions of conversion coefficient between Hp ( 10 ) and E . Distributions of conversion coefficients for a randomly oriented phantom were obtained by stochastic simulation for several ranges of anisotropy factor introduced for classification of workplaces. The 95 percentile of the conversion coefficient distribution applied to Hp ( 10 ) is proposed as the reasonably conservative approximation of the effective dose for moderately anisotropic photon fields.
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2008.01.007