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Investigation of L X-ray production from Au with protons in low energy region

The Coulomb ionization of an inner shell electron by an energetic proton is a fundamental problem in ion-atomic collision physics. The experimental measurements of L X-ray intensity ratios for Au with protons in the energy range 260 – 400 keV at the interval of 20 keV are reported. These are compared with theoretical calculations obtained on the basis of recently prevailing UAECPSSR theory using transition rates of Scofield and also that of Campbell and Wang, respectively. Their importance in understanding this phenomenon and existing arguments in this regard will be highlighted.