Comparison of hyperspherical versus common-reaction-coordinate close-coupling methods for ion-atom collisions at low energies

dc.citation.doi10.1103/PhysRevA.69.062703
dc.citation.issn1050-2947
dc.citation.issue6
dc.citation.jtitlePhysical Review A
dc.citation.volume69
dc.contributor.authorLe, Anh-Thu
dc.contributor.authorLin, C. D.
dc.contributor.authorErrea, L. F.
dc.contributor.authorMéndez, L.
dc.contributor.authorRiera, A.
dc.contributor.authorPons, B.
dc.date.accessioned2023-12-07T18:06:24Z
dc.date.available2023-12-07T18:06:24Z
dc.date.issued2004-06-03
dc.date.published2004-06-03
dc.description.abstractWe present detailed comparisons between the two quantal approaches—hyperspherical close-coupling and common-reaction-coordinate close-coupling methods—on an exemplary case of He2++H(1s) collisions at center-of-mass energy from 20eV up to 1.6keV. It is shown that the partial-wave charge-transfer cross sections from the two approaches agree very well at low energy below 200eV down to 30eV. This good agreement is a strong indication of the validity of both methods. The small difference at very low energies and the convergence with respect to the number of channels in both approaches at higher energies are also discussed.
dc.identifier.urihttps://hdl.handle.net/2097/43667
dc.relation.urihttps://link.aps.org/doi/10.1103/PhysRevA.69.062703
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dc.titleComparison of hyperspherical versus common-reaction-coordinate close-coupling methods for ion-atom collisions at low energies
dc.typeText

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