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L-shell x-ray fluorescence relative intensities for elements with 62 ≤ Z ≤ 83 at 18 keV and 23 keV by synchrotron radiation |
| M Alqadi†, S AL-Humaidi, H Alkhateeb, and F Alzoubi |
| Department of Physics, Jordan University of Science and Technology, Irbid, Jordan |
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Abstract The relative intensities of L-subshell x-ray fluorescence (XRF) for elements with atomic numbers 62 ≤ Z ≤ 83 were measured at two excitation energies, 18 keV and 23 keV, using a synchrotron radiation source at a beamline of the Synchrotron Light Center for Experimental Science and Applications in the Middle East (SESAME), Jordan. The experimentally measured results of the relative intensities were compared with the calculated results using the subshell fluorescence yield and the Coster-Kronig transition probabilities recommended by Campbell and the values based on the Dirac-Hartree-Slater model by Puri. The experimental and theoretical results are in agreement. In this work, L XRF relative intensities for the elements Sm, Gd, Tb, Er, Ta, W, Re, Hg, Pb and Bi at energies of 18 keV and 23 keV were measured.
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Received: 25 January 2023
Revised: 03 April 2023
Accepted manuscript online: 07 April 2023
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PACS:
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32.30.Rj
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(X-ray spectra)
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32.50.+d
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(Fluorescence, phosphorescence (including quenching))
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32.70.Fw
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(Absolute and relative intensities)
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32.80.Fb
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(Photoionization of atoms and ions)
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| Fund: This work was supported by the Jordan University of Science and Technology (Grant No.20180167) and the SESAME Synchrotron Center Jordan (Grant No.20185004). |
Corresponding Authors:
M Alqadi
E-mail: malqadi@just.edu.jo
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Cite this article:
M Alqadi, S AL-Humaidi, H Alkhateeb, and F Alzoubi L-shell x-ray fluorescence relative intensities for elements with 62 ≤ Z ≤ 83 at 18 keV and 23 keV by synchrotron radiation 2023 Chin. Phys. B 32 083201
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