We reexamined charge-transfer cross sections for protons colliding with Na(3s) atoms for collision energies from the threshold at 1.7 eV to 40 eV using the recently developed hyperspherical close-coupling method. Our results disagree with the recent calculations by Dutta et al. [Phys. Rev. A 63, 022709 (2001)], but are in good agreement with the earlier calculations of Croft and Dickinson [J. Phys. B 29, 57 (1996)] except at energies below 3 eV. Our calculations support the doubt on the experimental data of Kushawaha.
A. Le et al., "Charge Transfer in Slow Collisions of H⁺ with Na," Physical Review A - Atomic, Molecular, and Optical Physics, vol. 68, no. 1, American Physical Society (APS), Jul 2003.
The definitive version is available at https://doi.org/10.1103/PhysRevA.68.012705
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© 2003 American Physical Society (APS), All rights reserved.
01 Jul 2003