Abstract
Abstract In the present work, new, differential cross-section values are presented for the nat K( p , p 0 ) reaction in the energy range E lab = 3000–5000 keV (with an energy step of 25 keV) and for detector angles between 140° and 170° (with an angular step of 10°). A qualitative discussion of the observed cross-section variations through the influence of strong, closely spaced resonances in the p + 39 K system is also presented. Information has also been extracted concerning the 39 K( p , α 0 ) reaction for E lab = 4000–5000 keV in the same angular range. As a result, more than ∼500 data points will soon be available to the scientific community through IBANDL (Ion Beam Analysis Nuclear Data Library – http://www-nds.iaea.org/ibandl/ ) and could thus be incorporated in widely used IBA algorithms (e.g. SIMNRA, WINDF, etc.) for potassium depth profiling at relatively high proton beam energies.
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More From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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