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Measurement of Photon-Induced L X-Ray Fluorescence Cross Sections for Ho and Yb in the 16.04 - 24.68 keV Energy Range

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DOI: 10.4236/jmp.2014.515142    2,581 Downloads   3,016 Views   Citations

ABSTRACT

Lα, Lβ, and Lγ X-ray fluorescence cross sections for Ho and Yb have been measured at various incident photon energies in the energy range 16.04 ≤ E ≤ 24.68 keV. The measurements have been done using an X-ray tube with a secondary-excitor system of Zr, Nb, Mo, Cd, and In. The experimental values of the cross-sections were determined by measuring the absolute yield of L subshell X-rays emitted from a standard target of a given energy. Theoretical tabulated values of subshell photoionization cross-sections, fluorescence yields, Coster-Kronig transition probabilities and radioactive decay rates have been used to calculate the theoretical values of the cross-sections. The experimental results of the cross-sections at various excitation energies have been compared with theoretically calculated values. Fairly good agreement is obtained between the present experimental results and the calculated values.

Conflicts of Interest

The authors declare no conflicts of interest.

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Al-Taani, H. , Saleh, N. and Al-Saleh, K. (2014) Measurement of Photon-Induced L X-Ray Fluorescence Cross Sections for Ho and Yb in the 16.04 - 24.68 keV Energy Range. Journal of Modern Physics, 5, 1412-1417. doi: 10.4236/jmp.2014.515142.

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