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Influence of single-neutron stripping on near-barrier 6He+208Pb and 8He+208Pb elastic scattering

Marquínez-Durán, G.; Keeley, N.; Kemper, K. W.; Mackintosh, R. S.; Martel, I.; Rusek, K. and Sánchez-Benítez, A. M. (2017). Influence of single-neutron stripping on near-barrier 6He+208Pb and 8He+208Pb elastic scattering. Physical Review C, 95(2), article no. 024602.

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The influence of single-neutron stripping on the near-barrier elastic scattering angular distributions for the 6,8He+208Pb systems is investigated through coupled reaction channels (CRC) calculations fitting recently published data to explore the differences in the absorptive potential found in the scattering of these two neutron-rich nuclei. The inclusion of the coupling reduces the elastic cross section in the Coulomb-nuclear interference region for 8He scattering, whereas for 6He its major impact is on the large-angle elastic scattering. The real and imaginary dynamic polarization potentials are obtained by inverting the CRC elastic scattering S-matrix elements. These show that the main absorptive features occur between 11 and 12 fm for both projectiles, while the attractive features are separated by about 1 fm, with their main structures occurring at 10.5 fm for 6He and 11.5 fm for 8He.

Item Type: Journal Item
Copyright Holders: 2017 American Physical Society
ISSN: 2469-9993
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 48805
Depositing User: Raymond Mackintosh
Date Deposited: 01 Mar 2017 15:52
Last Modified: 15 Jun 2020 16:43
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