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Pair and single neutron transfer with Borromean He-8
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2011 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 697, no 5, 454-458 p.Article in journal (Refereed) Published
Abstract [en]

Direct observation of the survival of Au-199 residues after 2n transfer in the He-8 + Au-197 system and the absence of the corresponding Cu-67 in the He-8 + Cu-65 system at various energies are reported. The measurements of the surprisingly large cross sections for Au-199, coupled with the integral cross sections for the various Au residues, is used to obtain the first model-independent lower limits on the ratio of 2n to in transfer cross sections from He-8 to a heavy target. A comparison of the transfer cross sections for He-6.8 on these targets highlights the differences in the interactions of these Borromean nuclei. These measurements for the most neutron-rich nuclei on different targets highlight the need to probe the reaction mechanism with various targets and represent an experimental advance towards understanding specific features of pairing in the dynamics of dilute nuclear systems.

Place, publisher, year, edition, pages
2011. Vol. 697, no 5, 454-458 p.
Keyword [en]
Borromean nucleus, Transfer reaction, Excitation function
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-152774DOI: 10.1016/j.physletb.2011.02.038ISI: 000288922600005OAI: oai:DiVA.org:uu-152774DiVA: diva2:414100
Available from: 2011-05-02 Created: 2011-05-02 Last updated: 2017-12-11Bibliographically approved

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