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

The method of sequential neutron decay spectroscopy beginning with a primary beam of 60 MeV/nucleon 48Ca 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 10Li, 12,...

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Bibliographic Details
Published in:	Nuclear physics. A Vol. 801; no. 3; pp. 101 - 113
Main Authors:	Christian, G., Peters, W.A., Absalon, D., Albertson, D., Baumann, T., Bazin, D., Breitbach, E., Brown, J., Cole, P.L., Denby, D., DeYoung, P.A., Finck, J.E., Frank, N., Fritsch, A., Hall, C., Hayes, A.M., Hinnefeld, J., Hoffman, C.R., Howes, R., Luther, B., Mosby, E., Mosby, S., Padilla, D., Pancella, P.V., Peaslee, G., Rogers, W.F., Schiller, A., Strongman, M.J., Thoennessen, M., Wagner, L.O.
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01-03-2008
Subjects:	10Li 12,13Be 23O Be( 48Ca, X) formula omitted fragment measured neutron energies Nuclear reaction observed unbound resonances yields measured 25.70.-z 21.10.Pc 23.90.+w 29.30.Hs Nuclear reaction observed
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Summary:	The method of sequential neutron decay spectroscopy beginning with a primary beam of 60 MeV/nucleon 48Ca 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 10Li, 12,13Be, and 23O. 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.
ISSN:	0375-9474
DOI:	10.1016/j.nuclphysa.2008.01.004