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Radioactivity in Trinitite six decades later [An article from: Journal of Environmental Radioactivity]
Description
This digital document is a journal article from Journal of Environmental Radioactivity, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
The first nuclear explosion test, named the Trinity test, was conducted on July 16, 1945 near Alamogordo, New Mexico. In the tremendous heat of the explosion, the radioactive debris fused with the local soil into a glassy material named Trinitite. Selected Trinitite samples from ground zero (GZ) of the test site were investigated in detail for radioactivity. The techniques used included @a spectrometry, high-efficiency @c-ray spectrometry, and low-background @b counting, following the radiochemistry for selected radionuclides. Specific activities were determined for fission products (^9^0Sr, ^1^3^7Cs), activation products (^6^0Co, ^1^3^3Ba, ^1^5^2Eu, ^1^5^4Eu, ^2^3^8Pu, ^2^4^1Pu), and the remnants of the nuclear fuel (^2^3^9Pu, ^2^4^0Pu). Additionally, specific activities of three natural radionuclides (^4^0K, ^2^3^2Th, ^2^3^8U) and their progeny were measured. The determined specific activities of radionuclides and their relationships are interpreted in the context of the fission process, chemical behavior of the elements, as well as the nuclear explosion phenomenology.
Description:
The first nuclear explosion test, named the Trinity test, was conducted on July 16, 1945 near Alamogordo, New Mexico. In the tremendous heat of the explosion, the radioactive debris fused with the local soil into a glassy material named Trinitite. Selected Trinitite samples from ground zero (GZ) of the test site were investigated in detail for radioactivity. The techniques used included @a spectrometry, high-efficiency @c-ray spectrometry, and low-background @b counting, following the radiochemistry for selected radionuclides. Specific activities were determined for fission products (^9^0Sr, ^1^3^7Cs), activation products (^6^0Co, ^1^3^3Ba, ^1^5^2Eu, ^1^5^4Eu, ^2^3^8Pu, ^2^4^1Pu), and the remnants of the nuclear fuel (^2^3^9Pu, ^2^4^0Pu). Additionally, specific activities of three natural radionuclides (^4^0K, ^2^3^2Th, ^2^3^8U) and their progeny were measured. The determined specific activities of radionuclides and their relationships are interpreted in the context of the fission process, chemical behavior of the elements, as well as the nuclear explosion phenomenology.
