Analysis of photon interaction parameters as function of soil composition

Medhat, M.E.; Pires, Luiz F.; Arthur, Robson Clayton Jacques

doi:10.1007/s10967-014-3028-y

Cited by 21 publications

(13 citation statements)

References 24 publications

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“…These differences are mainly related to the Fe 2 O 3 content present in the soils ( Table 2). As mentioned before in the low-energy regions, σ is proportional to Z [4][5] , and the photoelectric absorption is the dominant effect. Soils 1 and 2, which present the largest amount of Fe 2 O 3 content, also have the largest amount of silt and clay (74% of soil 1 and 76% of soil 2) in comparison with the other soils.…”

Section: Methodssupporting

confidence: 51%

“…cross section is proportional to Z [4][5] . In the intermediate-energy region, the incoherent scattering is the most effective.…”

Section: Methodsmentioning

confidence: 99%

“…The partial and total μ/ρ are also tabulated in the database. [5] The total molecular cross section can be calculated from the knowledge of μ/ρ by using the following relation [4] :…”

Section: Theoretical Basismentioning

confidence: 99%

“…As described early, the soil is a composite by different proportions of sand, silt, and clay. Therefore, the soil chemical composition influenced by the nature of its particles (different types of clay) will influence the attenuation of the radiation through the matter . Based on it, the measurement of the soil photon attenuation can perhaps be used for predicting its texture.…”

Section: Introductionmentioning

confidence: 99%

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Importance of photo atomic cross section for studying physical properties of different types of soil

Medhat

Pires

2016

X-Ray Spectrometry

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The objective of this work is focused on development of a classification tool for identifying soil texture based on photon attenuation interaction atomic cross-section data. The total mass attenuation coefficients (μ/ρ) and the atomic cross sections (σ a ) of soils with different textures have been calculated for total photon interactions in a wide energy range (1 keV to 100 GeV). The values of these parameters have been found to change with soil composition in low energies (1-100 keV), whereas their behavior has been found to be similar at all energies. Slight differences were observed in σ a in the energy range of 0.01 to 10 MeV and more pronounced ones from 10 MeV to 100 GeV. Regarding μ/ρ, only small differences were observed among soils for all the energy range investigated. Differences between μ/ρ and σ a considering different proportions of Fe 2 O 3 and SiO 2 were also observed. The reported data should be useful for studying soil texture according photo attenuation. The results of this work can stimulate research for all types of soil texture.

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Section: Methodssupporting

confidence: 51%

“…cross section is proportional to Z [4][5] . In the intermediate-energy region, the incoherent scattering is the most effective.…”

Section: Methodsmentioning

confidence: 99%

“…The partial and total μ/ρ are also tabulated in the database. [5] The total molecular cross section can be calculated from the knowledge of μ/ρ by using the following relation [4] :…”

Section: Theoretical Basismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Importance of photo atomic cross section for studying physical properties of different types of soil

Medhat

Pires

2016

X-Ray Spectrometry

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“…The impacts of various parameters on the mass attenuation coefficient of materials are discussed in many studies. Several experimental and theoretical studies have been conducted on the effects of different factors on the mass attenuation coefficients of soil (Taqi, Al Nuaimy, & Karem et al, 2016;Singh, Ali, Badiger, & El-Khayatt, 2016;Medhat, 2015;Medhat, Pires, & Arthur, 2014;Medhat & Wang, 2013;David, 2013;Medhat, 2012;Chaudhari & Raje, 2012;Oliveira et al, 2010;Raje & Chaudhari, 2010;Mau cec & Denijs, 2009;De Groot, van der Graaf, de Meijer, & Mau cec, 2009;Pires, Rosa, Pereira, Arthur, & Bacchi, 2009;Demir, Ün, € Ozgül, & Ş ahin, 2008;Okunade, Adebe, Jonah, & Oladipo, 2008;Pires, Bacchi, & Reichardt, 2005;Elias, 2004;Vaz, 2003;Baytas & Akbal, 2002;Naime, Vaz, & Macedo, 2001;Alam et al, 2001;Akbal & Baytas, 2000;Vaz, Naime, & Macedo, 1999;Oliveira et al, 1998;Akbal, 1999;Kumar, Venkataratnam, & Reddy, 1996;Bhandal & Singh, 1993;Mudahar, Mod, & Singh, 1991;Kitto, 1990).…”

Section: Introductionmentioning

confidence: 99%

An investigation on gamma attenuation of soil and oil-soil samples

Taqi

Khalil

2017

Journal of Radiation Research and Applied Sciences

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In this work, the gamma mass attenuation coefficient is investigated experimentally and theoretically for soil and oil-soil samples have been collected from different locations of Kirkuk city of Iraq. The oil-soil samples have been collected from some oil stations in Kirkuk oil field. The experimental measurements have been performed to obtain mass attenuation coefficients, using gamma spectrometer contains shielded NaI (Tl) detector at the energies of 59.5, 356.5, 662, 1173 and 1332 keV. Theoretically, the simulation results of mass attenuation coefficient using XCOM and Geant4 codes have been compared with experimental results and good agreement has been observed especially for Monte Carlo simulations code Geant4.

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