Determination of gamma ray shielding parameters of rocks and concrete

被引：236

作者：

Obaid, Shamsan S. ^{[1
]}

Gaikwad, Dhammajyot K. ^{[1
]}

Pawar, Pravina P. ^{[1
]}

机构：

[1] Dr Babasaheb Ambedkar Marathwada Univ, Dept Phys, Aurangabad 431004, Maharashtra, India

来源：

RADIATION PHYSICS AND CHEMISTRY | 2018年 / 144卷

关键词：

Rocks; Concrete; Mass attenuation coefficient; Effective atomic number; EFFECTIVE ATOMIC NUMBERS; MASS ATTENUATION COEFFICIENTS; NONLINEAR-OPTICAL MATERIALS; ELECTRON-DENSITIES; AMINO-ACIDS; ABSORPTION; GLASSES;

D O I：

10.1016/j.radphyschem.2017.09.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Gamma shielding parameters such as mass attenuation coefficient (mu/p), effective atomic number (Z(eff)) and electron density (N-eff) have been measured and calculated for rocks and concrete in the energy range 122-1330 keV. The measurements have been carried out at 122, 356, 511, 662, 1170, 1275, 1330 keV gamma ray energies using a gamma spectrometer includes a NaI(Tl) scintillation detector and MCA card. The atomic and electronic cross sections have also been investigated. Experimental and calculated (WinXCom) values were compared, and good agreement has been observed within the experimental error. The obtained results showed that feldspathic basalt, compact basalt, volcanic rock, dolerite and pink granite are more efficient than the sandstone and concrete for gamma ray shielding applications.

引用

页码：356 / 360

页数：5

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