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Breakup dynamic polarization potential for 6He+208Pb at 27 MeV

Mackintosh, R.S. and Keeley, N. (2004). Breakup dynamic polarization potential for 6He+208Pb at 27 MeV. Physical Review C, 70(2, Article no: 024604)

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1103/PhysRevC.70.024604
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Abstract

We study the local dynamic polarization potential, DPP, component of the 6He+208Pb interaction generated by the coupling to breakup channels as calculated using the continuum-discretized coupled-channels (CDCC) method. The results are for 6He at a laboratory energy of 27 MeV. The elastic channel S-matrix is inverted and the bare potential of the CDCC calculation is subtracted to yield the DPP. This has a very long attractive and absorptive tail, with the real component extending beyond 40 fm, generated by Coulomb breakup. Although the long tail of the DPP has a major effect on the elastic S-matrix, it is shallow enough to have a more modest effect on the root mean square (rms) radius (increased) and the volume integrals. To facilitate comparison with other theories, the potential tails are fitted to analytic forms.

Item Type: Journal Article
ISSN: 0556-2813
Academic Unit/Department: Science > Physical Sciences
Item ID: 4728
Depositing User: Users 6827 not found.
Date Deposited: 10 Jul 2006
Last Modified: 02 Dec 2010 19:52
URI: http://oro.open.ac.uk/id/eprint/4728
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