Open AccessStudy the Effect of Scattering and Disperse Radiation on Equivalent Dose Rate for Al & Pb Shields
Author(s) -
Nabil Janan Bahnam نبيل جنان بهنام
Publication year - 2011
Publication title -
mağallaẗ baġdād li-l-ʿulūm
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.167
H-Index - 6
eISSN - 2411-7986
pISSN - 2078-8665
DOI - 10.21123/bsj.8.2.261-268
Subject(s) - shields , scattering , shield , radiation , materials science , absorption (acoustics) , dose rate , analytical chemistry (journal) , electromagnetic shielding , optics , radiochemistry , chemistry , composite material , physics , chromatography , petrology , geology
The effects of scattering and secondary radiation generated inside the material on dose equivalent rate where studied using Co60 and Cs137 sources of activity (199.8 , 177.6) MBq , respectively for different thicknesses of Al , Pb and Pb- glass . The results showed that the equivalent rate increases when the effect of scattering was included for Al and Pb shields with cobalt-60 source of energy 1.25 MeV ; and decreases for Pb shield with Cs-137 source of energy 0.662MeV .The results showed also that the atomic number of The material effects the dose equivalent rate . The Pb-glass shield was found to be more efficient in absorption than other shields.