Experimental determination of dose conversion coefficients for external radiation exposure with gamma emitting radionuclides

Research output: Contribution to journalArticlepeer-review

Abstract

In the present paper the Alderson RANDO phantom have been used to experimentally determine conversion coefficients. A limited number of exposure situations were investigated for this purpose: rotational-geometry with different radiation point sources (99mTc, 131I+133Ba, 137Cs, 60Co), AP- and PA-geometry with 137Cs and a special pocket-geometry with 137Cs. All experiments were carried out on a large open surface outside to avoid scattering effects from walls and roof. The established conversion coefficients are unique and a first step to later determine more conversion coefficients for more complex exposure situations. The coefficients presented here may therefore be used directly or as a comparison to Monte Carlo simulated values of the same exposure situations.
Original languageEnglish
Pages (from-to)125-133
JournalRadiatsionnaya Gygiena
Volume7
Issue number4
Publication statusPublished - 2014

Subject classification (UKÄ)

  • Radiology, Nuclear Medicine and Medical Imaging

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