期刊
NUCLEAR PHYSICS A
卷 940, 期 -, 页码 235-241出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysa.2015.04.011
关键词
Neutron spectroscopy; Exotic nuclei
资金
- NSF [PHY09-69173, PHY11-02511, PHY12-05537, PHY13-06074]
- Department of Energy National Nuclear Security Administration [DE-NA0000979]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1404236] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205537, 1306074] Funding Source: National Science Foundation
Unbound positive-parity states in Li-10 have been populated with a two-proton removal reaction from a 71 MeV/u B-12 beam. The Li-9 fragments and emitted neutrons were measured with the MoNA-LISA-Sweeper setup. The measured decay energy spectrum was best fit with three states at 110 +/- 40, 500 +/- 100, and 1100 +/- 100 keV decay energy. This is the second observation of a resonance below 200 keV. The lower two states likely belong to the expected 1(+), 2(+) doublet. (C) 2015 Elsevier B.V. All rights reserved.
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