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¹⁹B has been observed in the bombardment of Be by 12 MeV/A ⁵⁶Fe ions (1984MU27). It is suggested that the atomic mass excess of ¹⁹B is 60.1 MeV [see (1978AJ03)]. ¹⁹B is then stable with respect to breakup into ¹⁸B + n by 1.8 MeV ¹⁷B + 2n by 0.1 MeV. ¹⁹B is calculated to have J^π = 3/2^- and to have excited states at 1.88, 3.63 and 3.77 MeV with J^π = 1/2^-, 5/2^- and 7/2^- (1985PO10). See also (1986GU1D, 1986PO13) and (1983ANZQ, 1985PO10; theor.).