Empirical L Shell Fluorescence Yields for Elements with 40 ≤ Z ≤ 92 |
| A. Bendjedia, B. Deghfel a, I. Derradj a, A. Kahoul b, F. Khalfallah b, Y. Sahnoune b, A. Bentabet c and M. Nekkab d
aLaboratory of Materials Physics and Its Applications, Department of Physics, Faculty of Sciences, University of Mohamed Boudiaf, M'sila 28000, Algeria bLPMRN Laboratory, Department of Materials Science, Faculty of Sciences and Technology, University of Mohamed El Bachir El Ibrahimi, Bordj-Bou-Arreridj 34030, Algeria cLaboratory of Characterization and Valuation of Natural Resources, University of Mohamed El Bachir El Ibrahimi, Bordj-Bou-Arreridj 34030, Algeria dLESIMS Laboratory, Physics Department, Faculty of Sciences, Ferhat Abbas University Ferhat Abess, Setif 19000, Algeria |
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| Based on the fact that ratio of ionization to X-ray production cross-sections are independent of the excitation energy of projectile for a given target, we have deduced a new values of L shell average fluorescence yield from existing experimental compilation (till 2014) for a wide range of elements (40 ≤ Z ≤92) by proton impact (up to 10.0 MeV) of ionization and X-ray production cross-sections which are found to be universal when plotted as a function of the scaled velocity of projectile. The obtained empirical cross-sections are found reliable and then exploited to derive new values of average fluorescence yield. The obtained values are compared with earlier theoretical and experimental results and an agreement is observed for all elements. |
DOI: 10.12693/APhysPolA.131.13 PACS numbers: 33.50.-j |