• R N Chakraborty

      Articles written in Pramana – Journal of Physics

    • L-shell/subshell ionization of Au, Pb and Bi by low energy proton impact

      K N Pandey D N Tripathi R N Chakraborty D K Rai

      More Details Abstract Fulltext PDF

      Proton induced X-ray emission has been used to measureL-subshell and total ionization cross-sections of Au, Pb and Bi in the energy range of 200–350 keV. The ionization cross-sections have been extracted using the X-ray spectra and other quantities like fluorescence yields, transition probabilities, relative widths and Coster-Krönig fraction etc. involved in the process. The results have been compared with the cross-sections measured before and discussed in the light of known theories regarding the ion-atom collisions.

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