Radiation shielding properties of BaO:WO₃:Na₂O:B₂O₃ glass system using WinXCom program in the range of 1 keV to 100 GeV: Theoretical calculation

Abstract

The research aimed to study the radiation shielding properties of xBaO-5WO3-15Na2O-(80-x)B2O3 glass system where x = 5, 10, 15, 20, 25, 30 and 35 mol%. The theoretical values calculated using WinXCom program in the range of 1 keV to 100 GeV energy regions. The results of calculation found that the mass attenuation coefficients were increased with increase in BaO concentration and decreased with the increasing energy. Moreover, these glass system at low energies show discontinuities corresponding to photoelectric absorption edges of tungsten and barium. For the partials interaction at the low energies range the photoelectric absorption is the main interaction in these energy regions. At the medium energy regions, the radiation shielding parameters are almost constants dominated by Compton scattering process. In the high energy regions, pair production becomes the main interaction process over the energy. It can also be concluded that the characteristics of radiation shielding parameters for the glasses system depend on different barium in this concentration and the energy regions. The lead equivalent thickness of glass samples show that glass samples increasing trend with increase in concentration of BaO and the experimental are good agreement with theoretical value.

Estimation of gamma-rays, and fast and the thermal neutrons attenuation characteristics for bismuth tellurite and bismuth boro-tellurite glass systems

“…A comparative study on shielding properties of 21 tellurite glasses was reported by Mallawany et al [15], evaluating the l/q, Z eff , HVL, and (R R ) values within 10 keV-10 MeV photon energy range by applying XCOM program, and they established that TeO 2 -V 2 O 5 -CeO 2 glasses possess the highest P R value. Very recently, Siengsanoh et al [16] studied xBaO-5WO 3 -15Na 2 O-(80-x)B 2 O 3 glasses (x = 5, 10, 15, 20, 25, 30, and 35 mol%) radiation shielding properties using WinXCom program at the 1 keV to 100 GeV photon energy range and noticed that with BaO content increment, l/q increases and thereby all the interactions such as photoelectric absorption, coherent, incoherent scattering, and pair production also increase.…”

Detailed Inspection of γ-ray, Fast and Thermal Neutrons Shielding Competence of Calcium Oxide or Strontium Oxide Comprising Bismuth Borate Glasses

“…possess excellent X -ray and γ -ray attenuation capacity, but ‘Pb’ has disadvantages, such as low melting point (600.6 K), and is detrimental to human health and the surrounding environment [ 6 , 7 ]. For these reasons, in recent times, different research groups have actively focused their efforts on finding suitable replacement materials for concrete and ‘Pb’, e.g., glasses, which demonstrate encouraging characteristics, such as low cost, medium to high density ( ρ ), structural stability with prolonged irradiation, high mechanical and thermal strength, better optical (visible light) transparency, nontoxicity (100% recyclable), and environmental safety [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 ].…”

“…It is vital to explore definite parameters, such as linear attenuation coefficient ( μ ), mass attenuation coefficient (μ/ρ), effective atomic number ( Z eff ), effective electron density ( N eff ), half-value layer (HVL), tenth-value layer (TVL), mean free path (MFP), radiation protection efficiency (RPE), equivalent atomic number ( Z eq ), exposure buildup factor (EBF), and energy absorption buildup factor (EABF) for γ -rays and other quantities, such as macroscopic effective removal cross-sections for fast neutrons ( Σ R ), scattering cross-sections (coherent ( σ cs ) and incoherent (σ ics )), and absorption cross-section ( σ A ), including total cross-section ( σ T ) for slow or thermal neutrons, by utilizing appropriate experimental procedures or theoretical and simulation methods to test glasses [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 22 ], glass ceramics [ 23 ], ceramics [ 24 ], metallic glasses [ 25 ], concretes [ 26 , 27 ], steels [ 28 ], alloys [ 29 , 30 , 31 ], and polymers [ 32 , 33 ], etc. for radiation shielding.…”