Structure in the energy dependence of high-energy electron-capture cross sections
- 1 May 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 33 (5) , 3591-3594
- https://doi.org/10.1103/physreva.33.3591
Abstract
Previous experimental and theoretical work has found electron capture to be a monotonically decreasing function of energy in fast ion-atom collisions. We report here the experimental observation of nonmonotonic behavior of the electron-capture cross sections in fast collisions of calcium ions, in charge states 16+ to 19+, with molecular hydrogen, in the energy range 97–368 MeV. The structure observed in the measured cross sections is attributed to the contribution of resonant transfer and excitation to electron capture.Keywords
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