Production of nuclei in neutron unbound states via primary fragmentation of 48Ca

✍ Scribed by G. Christian; W.A. Peters; D. Absalon; D. Albertson; T. Baumann; D. Bazin; E. Breitbach; J. Brown; P.L. Cole; D. Denby; P.A. DeYoung; J.E. Finck; N. Frank; A. Fritsch; C. Hall; A.M. Hayes; J. Hinnefeld; C.R. Hoffman; R. Howes; B. Luther; E. Mosby; S. Mosby; D. Padilla; P.V. Pancella; G. Peaslee; W.F. Rogers; A. Schiller; M.J. Strongman; M. Thoennessen; L.O. Wagner

• Publisher: Elsevier Science
• Year: 2008
• Tongue: English
• Weight: 613 KB
• Volume: 801
• Category: Article
• ISSN: 0375-9474
• DOI: 10.1016/j.nuclphysa.2008.01.004

✦ Synopsis

The method of sequential neutron decay spectroscopy beginning with a primary beam of 60 MeV/nucleon 48 Ca was investigated as a potential tool to measure unbound resonances in neutron-rich nuclei. Neutrons were measured in coincidence with fragments, and unbound resonances were observed for 10 Li, 12,13 Be, and 23 O. The method is currently limited to resonances with small decay energies (E decay 100 keV) in lighter (Z 10) nuclei, and the possibility of extending it to heavier, more neutron-rich nuclei will be discussed.