The effective atomic number for gamma ray interactions with heavy metal oxide glasses

Author： Manohara S. R.   Hanagodimath S. M.   Gerward L.  

Publisher： Society of Glass Technology

ISSN： 0017-1050

Source： Glass Technology - European Journal of Glass Science and Technology Part A, Vol.51, Iss.1, 2010-02, pp. : 22-27

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract

The effective atomic number, Zeff, and the effective electron density, Nel,eff, have been calculated at photon energies from 1 keV to 100 GeV for CaO–SrO–B2O3, ZnO–PbO–B2O3, and CdO–PbO–B2O3 glasses with potential applications as gamma ray shielding materials. Appreciable variations are noted for all parameters by changing the chemical composition and the photon energy. The calculated parameters are compared with experimental data wherever possible. Comparisons are also made with the single-valued effective atomic number given by the program XMuDat. Finally, it is concluded that lead oxide glasses have gamma ray shielding properties comparable with standard shielding materials, such as concrete.

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