Phys. Rev. A 58, 3537–3543 (1998)Fluorescence and Coster-Kronig yields of the L1 shell in gadoliniumReceived 6 May 1998; published in the issue dated November 1998 Using a Si(Li) x-ray spectrometer, we have measured the respective fractions of L1, L2, and L3 x rays in the L x-ray spectrum emitted in the 157Tb-157Gd electron-capture decay. Using, in addition, our previously measured value for the ratio of L and K x rays, we deduce values for the fluorescence and Coster-Kronig yields of the L1 subshell. These are ω1=0.101±0.005, f12=0.166±0.020, and f13=0.287±0.014. The f12 and f13 values are significantly below the predictions of the independent-particle model (IPM). The deduced L1 level width of 3.7 eV is also significantly below the IPM width of 4.6 eV. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.58.3537
DOI:
10.1103/PhysRevA.58.3537
PACS:
32.70.Fw
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