L subshell fluorescence cross-sections and relative intensity ratios of some elements in the atomic range 72<=Z<=92

摘要

The Lalpha_1,2, L_gamma2,3,6,8, L_gamma5 X-ray fluorescence cross-sections for some elements in the atomic range 72<=Z<=92 were measured at 59.54 keV. L subshell fluorescence cross-sections (sigma_L1, sigma_L2 and sigma_L3) and relative intensity ratios (sigma_L1/sigma_L2, sigma_L1/sigama_L3 and sigma_L2/sigma_L3) were determined by using these experimental results. In addition, these cross-sections and relative intensity ratios were compared with each other and a fairly good agreement between these experimental and theoretical results were found. Besides, our results for L subshell fluorescence cross-sections were compared with the values of Sahin et al. (J. Phys. B 33 (2000) 93). Good agreement between these values was found for sigma_L3, but there is no agreement for sigma_L1 and sigma_L2.