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- W4283213486 abstract "Due to the advantages of using gamma-ray radiation sources in various fields, the average equivalent dose received due to the exposure to these sources increases. The wrong handling or direct exposure to these sources give raises the equivalent dose for the receiver. Thus, a container made up of two layers (metal and glass layers) was suggested to decrease the recorded equivalent dose received from the gamma-ray radioactive sources to an acceptable limit. The Monte Carlo MCNP simulation code was utilized to predict the equivalent dose around the container's outer surface and at 100 cm from the center of the outer container's faces. For example, the simulation study illustrated that the equivalent dose rate received at 100 cm from an unprotected 137 Cs source with an activity of 3.7E+8 Bq is 26.30 μSv/h. This equivalent dose rate from an unprotected source is reduced to 22.75 μSv/h using the inner layer of the stainless steel with a thickness of 0.5 cm. After that, the equivalent dose rate reduced from 22.75 to 7.60 μSv/h, raising the WO 3 . Simultaneously, the equivalent dose rate from an unprotected Co-60 source reaches 50.51 μSv/h. It is reduced to 23.56 μSv/h by using a container consisting of an inner layer of stainless steel with a thickness of 0.5 cm and an outer glass layer of BaWP7 glass sample with WO 3 content of 60 mol % and thickness of 5 cm. The present study showed the suggested container's ability in reducing the absorbed dose and equivalent dose rate for intermediate activity gamma-ray sources used in laboratories and nuclear medicine. • A small container of glass and stainless steel for saving and transpose γ-ray sources. • The absorbed dose (D)from a small container was evaluated using the MCNP simulation. • The equivalent dose rate (H) was calculated based on the simulated absorbed dose. • The D values from Cs-137 sources reduced to 6.34E-21 Gy using the suggested glass wall. • The H values dropped to 7.60 μSv/h using container consists of 0.5 cm stainless steel and 5 cm of BaWP7." @default.
- W4283213486 created "2022-06-22" @default.
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- W4283213486 date "2022-10-01" @default.
- W4283213486 modified "2023-10-17" @default.
- W4283213486 title "Suggested two layers container for shielding the low and intermediate activity gamma-ray sources" @default.
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- W4283213486 doi "https://doi.org/10.1016/j.radphyschem.2022.110322" @default.
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