Comparison of experimental and theoretical radiation shielding parameters of several environmentally friendly materials

In this study, the gamma radiation shielding features of several environmentally friendly materials were investigated. For this purpose, several attenuation parameters, such as the mass attenuation coefficient ( μ / ρ ), radiation protection efficiency (RPE), and effective atomic number ( Z eff ) we...

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Bibliographic Details
Published in:Nuclear science and techniques 2019-07, Vol.30 (7), p.54-61, Article 110
Main Authors: Akman, F., Agar, O., Kaçal, M. R., Sayyed, M. I.
Format: Article
Language:English
Subjects:
Energy
Hadrons
Heavy Ions
Nuclear Energy
Nuclear Physics
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Summary:In this study, the gamma radiation shielding features of several environmentally friendly materials were investigated. For this purpose, several attenuation parameters, such as the mass attenuation coefficient ( μ / ρ ), radiation protection efficiency (RPE), and effective atomic number ( Z eff ) were determined experimentally and compared with numerical data obtained using WinXCom software. In the measurements, the emitted gamma photons were counted by a gamma spectrometer equipped with an HPGe detector using 22 Na, 54 Mn, 57 Co, 60 Co, 133 Ba, and 137 Cs radioactive point sources in the energy region of 81–1333 keV. The obtained results indicate that the μ / ρ and RPE values of the samples decrease with an increase in photon energy. The experimental values are in good agreement with those obtained using WinXCom software. The RPE and Z eff results show that among the studied materials, the NaY 0.77 Yb 0.20 Er 0.03 F 4 sample has the best gamma radiation shielding effectiveness.
ISSN:1001-8042
2210-3147
DOI:10.1007/s41365-019-0631-1