High-spin states in Os-183 have been studied by means of in-beam gamma
-ray spectroscopy. Two isomers with I-pi = (43-/2) and 43+/2 have been
identified at excitation energies of E-x = 5.068 and 5.168 MeV. The h
alf-lives are determined as T-1/2 = 27 +/- 3 and 24 +/- ns.