TY - JOUR T1 - Theoretical Investigation of Gamma Attenuation Properties of Some Metal Oxides with GEANT4-GATE Simulation TT - Bazı Metal Oksitlerin Gama Absorpsiyon Özelliklerinin GEANT4-GATE Simülasyon ile Teorik İncelenmesi AU - Coşkun, Arzu AU - Topaklı, Hüseyin PY - 2024 DA - December Y2 - 2024 DO - 10.19113/sdufenbed.1549497 JF - Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi JO - J. Nat. Appl. Sci. PB - Süleyman Demirel Üniversitesi WT - DergiPark SN - 1308-6529 SP - 543 EP - 550 VL - 28 IS - 3 LA - en AB - This study investigated some oxide material's gamma radiation shielding properties. For this purpose, gamma radiation attenuation properties of composites formed by metal oxides MoO2, La2O3, PbO, and their mixtures were examined at 50 keV, 80 keV, 120 keV, 662 keV, 1173 keV, and 1332 keV energies. Calculations were made using the Geant4-based GATE simulation and compared with the XCOM program. Using the theoretically calculated mass attenuation coefficient (MAC), linear attenuation coefficient (LAC), half-value thickness (HVL), and mean free path (MFP) parameters were found. As a result of the study, it was seen that especially the Mo(80)LaPb mixture showed the best gamma shielding property with high MoO2 content. KW - Gamma KW - XCOM database KW - Gate simulation KW - Shielding N2 - Bu çalışmada bazı oksit materyallerin gama radyasyon zırhlama özellikleri incelenmiştir. Bu amaçla; MoO2, La2O3, PbO metal oksitleri ve bunların karışımlarının oluşturduğu kompozitlerin gama radyasyonu zayıflatma özelliklerine, 50 keV, 80 keV, 120 keV, 662 keV, 1173 keV ve 1332 keV enerjilerde bakılmıştır. Hesaplamalar Geant4 tabanlı GATE simülasyon ile yapılarak XCOM programı ile karşılaştırılmıştır. Teorik olarak hesaplanan kütle zayıflatma katsayısından yararlanılarak (MAC), lineer soğurma katsayısı (LAC), yarıdeğer kalınlık (HVL), ortalama serbest yol (MFP) parametreleri bulunmuştur. 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