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19 April 2024 |
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Enhanced production of neutron-rich rare isotopes in peripheral collisions at Fermi energies | | G A Souliotis
; M Veselsky
; G Chubarian
; L Trache
; A Keksis
; E Martin
; D V Shetty
; S J Yennello
; | | Date: |
11 Jul 2003 | | Journal: | Phys Rev Lett, 91 (2), 022701 | | Abstract: | A large enhancement in the production of neutron-rich projectile residues is observed in the reactions of a 25 MeV/nucleon 86Kr beam with the neutron-rich 124Sn and 64Ni targets relative to the predictions of the EPAX parametrization of high-energy fragmentation, as well as relative to the reaction with the less neutron-rich 112Sn target. A hybrid model based on a deep-inelastic transfer (DIT) code followed by a statistical deexcitation code accounts for part of the observed large cross sections. The DIT simulation indicates that the production of neutron-rich nuclides in these reactions is associated with peripheral nucleon exchange in which the neutron skins of the neutron-rich 124Sn and 64Ni target nuclei may play an important role. From a practical viewpoint, such reactions offer a novel synthetic avenue to access extremely neutron-rich rare isotopes towards the neutron-drip line. | | Source: | PubMed, pmid12906476 | | Other source: | [GID 1135778] nucl-ex/0302011 | | Services: | Forum | Review | Favorites | |
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