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Low melting point MCP-69, MCP-96, MCP-137, and MCP-200 alloys for radiation protection in radiological and therapeutic processes

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Radiation Medicine and Protection 2022年第4期3卷 175-182页

作者： michael w.perrigin Kendall A.williams Brandon K.wright Malaika Maqbool Emily Caffrey Remo George Ghafar Ali Muhammad Maqbool Health Physics Program Department of Clinical&Diagnostic SciencesThe University of Alabama at BirminghamBirminghamAL 35294USA Nuclear Medicine and Molecular Imaging Sciences Program Department of Clinical&Diagnostic SciencesThe University of Alabama at BirminghamBirminghamAL 35294USA iomedical Sciences Program Department of Clinical&Diagnostic SciencesThe University of Alabama at BirminghamBirminghamAL 35294USA Nanomaterials Research Group Physics DivisionPINSTECHIslamabadPakistan

Objective To evaluate the low melting-point MCP-69,MCP-96,MCP-137,and MCP-200 alloys,and characterize them for their potential to protect from the harms associated with radiation and eliminate radiation hazards during radiological procedures and treatment of *** The Klein-Nishina formula was used to calculate the electronic and atomic cross-sections of these alloys using photon beams with energies 4,6,9,12,and 18*** transfer coefficients,Compton mass attenuation coefficient,mass-energy transfer coefficient,and recoil energy of electrons in the specific photon energies of 4–18MeV were *** alloys'effective charge number and the photon energy were key factors in determining the properties found by utilizing the Klein-Nishina formula and Compton *** The cross sections and energy transfer coefficients increased with the increasing effective charge number Z of the alloys and decreased as the photon energy *** Compton recoil of the ejected electrons was observed to have a direct relationship with photon energy,but mass-energy transfer decreased with increasing photon *** alloys can replace the toxic lead for environmentally cleaned radiation *** These calculations and characteristics of the MCP alloys can help further determine their viability as materials for radiation shielding,their use in safe cancer diagnosis,treatment,and environmental hazards protection.

关键词： MCP alloys Klein-Nishina formula Cross-sections Radiation shielding Safe cancer diagnosis and treatment

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