Abstract

In the present work, the intensity ratios, IMk/IMn (exp) (k = ξ, β, γ, m1; n = αβ, α), for 70Yb, 82Pb and 83Bi induced by the Cq+ (q = 4, 5) ions having energies in the range 800–1500 keV have been measured. These intensity ratios have been compared with those calculated using the ECPSSR model based carbon ion induced Mj (j = 1–5) sub-shell ionization cross sections, the X-ray emission rates based on the Dirac-Fock (DF) model, two sets of the fluorescence and Coster-Kronig yields based on the non-relativistic Hermann-Skillman potential calculations and those based on the relativistic Dirac-Hartree-Slater model. Significant differences observed between the present measured and calculated ratios could be due to multiple-ionization induced in the investigated elements by the incident carbon ions.

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