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Published December 27, 1976 | public
Journal Article Open

Dependence of the Ta K X-Ray Energy on the Mode of Excitation


We have found that tantalum K x rays resulting from the K capture of 181W to 181Ta are lower in energy than the "normal" Ta K x rays produced by self-fluorescence in a tantalum source. The resulting shift, EW source-ETa source=-0.67(13), -0.96(12), -1.8(5) eV for the Ta Kα1, Kα2, and Kβ1 lines, respectively. An interpretation in terms of a multiple-electron shake-off is presented.

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©1976 The American Physical Society Received 3 November 1976 Work supported by U.S. Research and Development Administration under Contract No. AT(04-3)-63.


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