Low-energy transfer cross section for Borromean halo nuclei

We describe a schematic coupled-channels transfer calculation for the reaction {sup 6}He+{sup 238}U at near-barrier energies. We also present a simple semiclassical DWBA calculation of the two-neutron transfer. Both calculations are meant to supply the conditions under which the transfer cross secti...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 2006-04, Vol.73 (4), Article 047603
Main Authors: Cárdenas, W. H. Z., Canto, L. F., Hussein, M. S.
Format: Article
Language:English
Subjects:
COUPLED CHANNEL THEORY
CROSS SECTIONS
DWBA
ENERGY TRANSFER
HELIUM 6
HELIUM 6 REACTIONS
NEUTRON TRANSFER
NUCLEAR HALOS
NUCLEAR PHYSICS AND RADIATION PHYSICS
SEMICLASSICAL APPROXIMATION
URANIUM 238
URANIUM 238 TARGET
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Summary:We describe a schematic coupled-channels transfer calculation for the reaction {sup 6}He+{sup 238}U at near-barrier energies. We also present a simple semiclassical DWBA calculation of the two-neutron transfer. Both calculations are meant to supply the conditions under which the transfer cross section becomes much larger than the complete fusion one at subbarrier energies. It seems that a feasible mechanism is the incoherent contributions of two or more processes with quite different Q values.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.73.047603