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Development of SiO2 based doped with LiF, Cr2O3, CoO4 and B2O3 glasses for gamma and fast neutron shielding
Radiochimica Acta ( IF 1.4 ) Pub Date : 2020-11-25 , DOI: 10.1515/ract-2020-0067
Bünyamin Aygün 1 , Erdem Şakar 2 , Abdulhalik Karabulut 2, 3 , Bünyamin Alım 4 , Mohammed I. Sayyed 5, 6 , Vishwanath P. Singh 7 , Nergiz Yıldız Yorgun 8 , Özgür Fırat Özpolat 9
Affiliation  

In this study, the fast neutron and gamma-ray absorption capacities of the new glasses have been investigated, which are obtained by doping CoO,CdWO4,Bi2O3, Cr2O3, ZnO, LiF,B2O3 and PbO compounds to SiO2 based glasses. GEANT4 and FLUKA Monte Carlo simulation codes have been used in the planning of the samples. The glasses were produced using a well-known melt-quenching technique. The effective neutron removal cross-sections, mean free paths, half-value layer, and transmission numbers of the fabricated glasses have been calculated through both GEANT4 and FLUKA Monte Carlo simulation codes. Experimental neutron absorbed dose measurements have been carried out. It was found that GS4 glass has the best neutron protection capacity among the produced glasses. In addition to neutron shielding properties, the gamma-ray attenuation capacities, were calculated using newly developed Phy-X/PSD software. The gamma-ray shielding properties of GS1 and GS2 are found to be equivalent to Pb-based glass.

中文翻译:

掺杂LiF,Cr2O3,CoO4和B2O3玻璃的SiO2基材料用于伽马和快速中子屏蔽

在这项研究中,研究了通过掺杂CoO,CdWO 4,Bi 2 O 3,Cr 2 O 3,ZnO,LiF,B 2 O 3和C得到的新型玻璃的快速中子和γ射线吸收能力。PbO化合物转化为SiO 2眼镜。GEANT4和FLUKA蒙特卡罗模拟代码已用于样品的计划中。玻璃是使用众所周知的熔融淬火技术生产的。通过GEANT4和FLUKA蒙特卡洛模拟代码,可以计算出制造的玻璃的有效中子去除截面,平均自由程,半值层和透射率。已经进行了实验中子吸收剂量的测量。发现在所生产的玻璃中,GS4玻璃具有最佳的中子保护能力。除中子屏蔽特性外,还使用新开发的Phy-X / PSD软件计算了伽马射线的衰减能力。发现GS1和GS2的伽马射线屏蔽性能与基于Pb的玻璃等效。
更新日期:2020-12-01
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