Empirical calculation of K-shell fluorescence cross sections for elements in the atomic range 16 ≤ Z ≤ 92 by photon effects ranging from 5.46 to 123.6 keV (Three-dimensional formulae)

The main objective of this study is to obtain three-dimensional empirical K-shell x-ray fluorescence cross-section ( σ K α , σ K β and σ K tot ) values for a wide range of elements 16 ≤ Z ≤ 92 for photons with energies from 5.46 keV to 123.6 keV, using more than 3300 experimental data values published between 1985 and 2023 by numerous researchers. These data values are fitted using an interpolation method including a three-dimensional function against atomic number Z and excitation energy E, resulting in a three-dimensional plot to estimate empirically a three-dimensional set of K α , K β and K tot x-ray fluorescence cross sections. The results of this empirical calculation are compared, for selected elements, with other empirical and experimental values reported in the literature, and a reasonable agreement is observed.

Descrição

UID/FIS/04559/2020 We gratefully acknowledge the support of the DGRSDT, Ministry of Higher Education and Scientific Research, Algeria. This work was done with the support of Mohamed El Bachir El Ibrahimi University, under project (PRFU) N\u00B0: B00L02UN340120230003. Publisher Copyright: © 2024 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.

Palavras-chave

empirical calculation and three-dimensional interpolation K-shell XRF cross sections Atomic and Molecular Physics, and Optics Mathematical Physics Condensed Matter Physics

URI

http://hdl.handle.net/10362/179698

DOI

10.1088/1402-4896/ad720e

Coleções

Home collection (FCT)

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