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 97368 MeV. The structure observed in the measured cross sections is attributed to the contribution of resonant transfer and excitation to electron capture. © 1986 The American Physical Society.
W. G. Graham and E. M. Bernstein and M. W. Clark and J. A. Tanis and K. H. Berkner and P. Gohil and R. J. McDonald and A. S. Schlachter and J. W. Stearns and R. H. McFarland and T. J. Morgan and A. M̈ller, "Structure In The Energy Dependence Of High-energy Electron-capture Cross Sections," Physical Review A, vol. 33, no. 5, pp. 3591 - 3594, American Physical Society, Jan 1986.
The definitive version is available at https://doi.org/10.1103/PhysRevA.33.3591
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01 Jan 1986