111 research outputs found

    Discovery of Tantalum, Rhenium, Osmium, and Iridium Isotopes

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    Currently, thirty-eight tantalum, thirty-eight rhenium, thirty-nine osmium, and thirty-eight iridium, isotopes have been observed and the discovery of these isotopes is discussed here. For each isotope a brief synopsis of the first refereed publication, including the production and identification method, is presented.Comment: To be published in At. Data Nucl. Data Table

    The origin and abundances of the chemical elements

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    M1-E2 Mixing from L Subshell Conversion Ratios

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