Abstract
Abstract The masses and excited states of the neutron-rich nuclei 22 F and 23 F have been measured using the heavy-ion transfer reactions 22 Ne( 7 Li, 7 Be) 22 F and 22 Ne( 18 O, 17 F) 23 F. Mass excesses of 2.80 ± 0.02 MeV and 3.32 ± 0.09 MeV, respectively, were deduced from the reaction Q -values. The value for 22 F differs from that previously accepted due to the existence of a low-lying doublet. A number of excited states have been identified in both nuclei, and the results are compared with shell-model calculations.
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