Determination of Attenuation Coefﬁcients of Some Selected Soil Samples by Using Gamma Energy at 0.360 Mev
Keywords:Gamma-Ray, Attenuation Coefﬁcient, Multichannel Analyzer, Density, Soil
The study of attenuation coefficients of various materials is an important part of research in radiation physics, chemistry, human health, and agriculture. In addition, the linear and mass absorption coefficients have a major role in the estimation of absorbed dose use in the medical and radiation dosimetry. In this paper, the liner and mass absorption coefficients, half-value layer, tenth value layer, and mean free path have been determined by performing the experiment of gamma irradiation on soil samples for gamma energy 0.360 MeV using NaI(Tl) detector. Furthermore, the physicochemical properties of the investigated soil samples were measured using standard methods to assess soil quality. Samples of soil were collected from different sites of Aurangabad-India and prepared using standard techniques. The mass attenuation coefﬁcient decreases exponentially with increasing density and conﬁrms the interaction of gamma-ray with different soil samples of various components. The mass absorption coefficient depends on sample density, gamma energy, the chemical composition of the soil, and its physical properties. The experimentally measured values are in good agreement which validates the gamma absorption law. Generally, the absorption coefficients of gamma-ray measured in this study can be used for the determination of gamma-ray interaction with any soil samples. The study has practical importance to know the nature of the soil to be used in agriculture and construction purposes.
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Copyright (c) 2020 Abdu Hamoud Al-khawlany, J. M.Pathan, Ifra Fatema
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