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At E(⁹Be) = 121 MeV, ¹⁰Li has been observed in the ⁹Be(⁹Be, ⁸B)¹⁰Li reaction with a differential cross section (c.m.) of ~ 30 nb/sr at θ = 14° (lab): Q₀ = -34.06 ± 0.25 MeV, and the atomic mass excess of ¹⁰Li is 33.83 ± 0.25 MeV if the group observed (Γ ~ 1.2 ± 0.3 MeV) corresponds to the ground state. ¹⁰Li_g.s. would the be unbound with respect to breakup into ⁹Li + n by 0.80 ± 0.25 MeV (WI75G). However (AB79G, AB80E), on the basis of the possible location of the first T = 2 state in ¹⁰Be (see reaction 2) with J^π = 2^-, suggest that (WI75G) have observed an excited state of ¹⁰Li, with J^π = 1⁺. See also (79AJ01) and (BO79GG, MA80DD, AV81B, WA81D, NG82; theor.).