Pionic M X-rays of 166, 168Er and 176Hf

The X-ray energies and widths of the pionic 4f → 3d transitions (M X-ray) of 166, 168Ev and 176Hf have been measured. The measured widths [Г( 166 Er) = 19.7(0.9) keV, Г 168 Er) = 19.4(1.0) keV , and [Г( 176 Hf) = 27.8(4.3) keV] are in good agreement with theoretical calculations, and suggest that an...

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Bibliographic Details
Published in:Physics letters. B 1984-08, Vol.143 (4), p.347-350
Main Authors: Tanaka, Y., Steffen, R.M., Shera, E.B., Reuter, W., Hoehn, M.V., Zumbro, J.D.
Format: Article
Language:English
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Summary:The X-ray energies and widths of the pionic 4f → 3d transitions (M X-ray) of 166, 168Ev and 176Hf have been measured. The measured widths [Г( 166 Er) = 19.7(0.9) keV, Г 168 Er) = 19.4(1.0) keV , and [Г( 176 Hf) = 27.8(4.3) keV] are in good agreement with theoretical calculations, and suggest that anomalous widths, if they exist, begin at or above Z = 73.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(84)91480-1