L-shell X-ray production cross section measured by heavy ion impact on selected rare earth elements |
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Authors: | M Lugo-Licona J Miranda C M Romo-Kröger |
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Institution: | (1) Instituto de Física, Universidad Nacional Autónoma de México, A. P. 20-364, 01000 México, D. F., Mexico;(2) Universidad Católica del Maule, Tarapacá, Chile |
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Abstract: | The production cross sections of L-shell X-ray of some rare earth elements have been measured by collision of 12C4+ and 16O4+ ions of 0.5 to 0.75 MeV/amu. The results were compared with experimental data of other authors and with theoretical predictions
gained by the ECPSSR and ECPSSR plus multiple ionization (ECPSSR+MI) models. For atomic parameters (fluorescence yields and
probabilities for Coster-Kronig transitions) the role of several databases were studied. The ECPSSR theory underestimates
cross sections when compared with experimental results obtained in the present work, but ECPSSR+MI has a better agreement
with the experimental data.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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