Bazı Tungsten İçerikli Minerallerin Gama Zırhlama Özelliklerinin Geniş Enerji Aralığında İncelenmesi

Öz

Tungsten, yoğunluğu kurşuna göre yüksek, dayanıklı, sertlik ve mukavemet bakımından iyi bir metaldir. Bu çalışmada 0.060 MeV ila 2.614 MeV enerji aralığında bazı tungsten içerikli minerallerin (tungstibit, tungstenit, hubrenit, russelit, antonit) kütle azaltma katsayısı, lineer azaltma katsayısı, yarı kalınlık değeri, onda bir kalınlık değeri, ortalama serbest yol, etkin atom numarası ve etkin elektron yoğunluğu gibi gama radyasyonu zırhlama parametreleri WinXCOM programı, GEANT4 ve FLUKA simülasyon kodları yardımıyla incelenmiş ve elde edilen sonuçlar birbirleri ile karşılaştırılmıştır. Tungstenin K tabakası soğurma kıyısı enerjisi (0.0695 MeV) çevresinde tungstenit mineralinin daha iyi bir gama zırh malzemesi olabileceği gözlemlenirken, diğer enerji bölgelerinde russelit mineralinin daha iyi bir gama zırh malzemesi olabileceği gözlemlenmiştir.

Anahtar Kelimeler

• Tungsten minerali
• gama zırhlama
• WinXCOM
• GEANT4
• FLUKA

Investigation of Gamma Shielding Properties of Some Tungsten-Containing Minerals in a Wide Energy Range

Öz

Tungsten is a metal with high density, durable, good in terms of hardness and strength compared to lead. In this study, gamma shielding parameters such as mass attenuation coefficient, linear attenuation coefficient, half value layer, tenth value layer, mean free path, effective atomic number and effective atomic density for some tungsten-containing minerals (tungstibite, tungstenite, hubrenite, russellite, anthoinite) in the energy range of 0.060 MeV to 2.614 MeV were investigated with the help of WinXCOM program, GEANT4 and FLUKA simulation codes and the obtained results were compared with each other. It has been observed that tungstenite may be a better gamma shielding material around the K shell absorption edge energy (0.0695 MeV) of tungsten, while russellite may be a better gamma shielding material in other energy regions.

Anahtar Kelimeler

• Tungsten mineral
• gamma shielding
• WinXCOM
• GEANT4
• FLUKA.

Kaynakça

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