Gamma-ray and neutron shielding properties of some soil samples

被引：0
作者：
Singh, Vishwanath P. [1 ]
Badiger, N. M. [1 ]
Kucuk, Nil [2 ]
机构：
[1] Karnatak Univ, Dept Phys, Dharwad 580003, Karnataka, India
[2] Uludag Univ, Fac Arts & Sci, Dept Phys, TR-16059 Bursa, Turkey
来源：
INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2014年 / 52卷 / 09期
关键词：
Soil; Exposure buildup; GP fitting; Shielding; Gamma; Neutron shielding; BUILDUP FACTORS; ATTENUATION COEFFICIENTS; WATER;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Gamma-ray and neutron shielding properties of five different types of soil samples, namely clay loam, clay, loam, sandy clay loam and sandy loam have been studied in the present paper. Gamma-ray shielding effectiveness of the soil samples was studied by mass attenuation coefficient, half-value layer thickness and exposure build-up factors (EBFs). The EBFs of the soil samples were calculated by GP (Geometrical Progression) fitting formula for the wide photon energy range (0.015-15 MeV) up to the penetration depths of 40 mean free paths. Fast neutron (2-12 MeV) removal cross-section of the soil samples was calculated by partial density method. The photon energy, chemical composition and penetration depth dependency of EBFs of all the soil samples have also been studied. The clay loam among the selected soil samples was found to be the good soil radiation shielding material. This study should be useful for various applications of soil for gamma-ray and neutron shielding.
引用
收藏
页码：579 / 587
页数：9
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