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Pickup coupling effects in deuteron scattering: The case of d + 40Ca

Keeley, N. and Mackintosh, R. S. (2008). Pickup coupling effects in deuteron scattering: The case of d + 40Ca. Physical Review C, 77(054603) pp. 1–13.

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The dynamic polarization potential (DPP) contribution to the effective deuteron-nucleus interaction is evaluated by means of coupled reaction channel (CRC) calculations followed by S-matrix-to-potential inversion. The full coupled channel S matrix S is inverted using the iterative-perturbative algorithm to yield a potential that includes a complex TR tensor term as well as central and spin-orbit components. The differences between the various components of the inverted potential and the corresponding terms in the bare potential of the CRC calculation constitute a local equivalent representation of the complete DPP that is generated by the reaction channel coupling. The magnitude of the DPP, the real part in particular, is much less than that found in earlier calculations in which the nonorthogonality terms were omitted. The characteristic features of the tensor part of the DPP were traced to breakup and reorientation processes in the entrance deuteron channel that had been included with the pickup. The contribution of stripping to the deuteron-nucleus interaction is also discussed.

Item Type: Article
ISSN: 1089-490X
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 10820
Depositing User: Astrid Peterkin
Date Deposited: 13 Jun 2008
Last Modified: 04 Oct 2016 10:09
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