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11N (75AJ02)(See the Isobar Diagram for 11N)
The 14N(3He, 6He)11N reaction has been
studied at E(3He) = 70 MeV (BE74B). A 6He group is observed
which corresponds to a state in 11N with an atomic mass excess of
25.23 ± 0.10 MeV and Γ = 740 ± 100 keV. The cross section for
forming this state is 0.5 μb/sr at 10°. The observed state
is interpreted as being the Jπ = 1/2- mirror of
11Be*(0.32) because of its width; the 1/2+ mirror of
11Beg.s. would be expected to be much broader
(BE74B). The 11N state is unbound with respect to decay
into 10C + p by 2.31 MeV. See also (68AJ02, LO69E, WA70E, IR74A).
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