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- W2023786170 abstract "Analysis of chemical composition and concentration of three Nigerian minerals have been carried out with the research reactor (GHARR-1) at Ghana Atomic energy commission Kwabenya Accra, in order to analyze their gamma photon shielding prospects using WINXCOM software. The physical densities of Serpentinite rock from Katsina/ Zamfara state, Hematite rock from Kogi state and Barite from Benue states of Nigeria were measured, and their moisture content analyzed with the Am-Be neutron source irradiation facility at Centre for Energy Research and Training (CERT) A.B.U. in Nigeria Qualitative and quantitative evaluation of gamma ray spectra of the residual radio nuclides of the rock samples were performed using the SPAN 5.0 software. The result of the chemical composition was observed to have a good elemental correlation with the well known neutron shields (concrete), but indicative of a better substitute to ordinary concrete when, in addition, the moisture retention capabilities, refractive properties and, most importantly, their densities are taken into account. The knowledge of the elemental composition is a requirement for calculating the shielding characteristics using WINXCOM. For an increase in photon energy by a factor of 0.21keV the mass attenuation in Serpentinite decreased by 2.0cm2/g; Hematite had a decrease of 5.0cm2/g; Barite also decreased by 5cm2/g while concrete had its mass attenuated by only 1.3cm2/g. Keywords: Transmission, Reflection, Mineral rock, Thermal neutrons, Fast neutrons, Moisture" @default.
- W2023786170 created "2016-06-24" @default.
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- W2023786170 date "2010-08-26" @default.
- W2023786170 modified "2023-10-05" @default.
- W2023786170 title "Multi-elemental analysis of some Nigerian mineral rocks for a comparative assay of gamma shielding with concrete using winxcom" @default.
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- W2023786170 doi "https://doi.org/10.4314/bajopas.v2i1.58530" @default.
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