Cavanagh, StevenGibson, StephenGale, M.N.Dedman, Colin JRoberts, ELewis, Brenton2015-12-081050-2947http://hdl.handle.net/1885/35682A high-resolution photoelectron velocity-map-imaging study is reported for the photodetachment of the atomic oxygen anion at 532 nm, where five of the six possible spin-orbit fine-structure transitions have been resolved. A resolution of Δ E=0.38% was acKeywords: Negative ions; Oxygen; Photoelectron spectroscopy; Uncertainty analysis; Fine structures; Structure transitions; Imaging systems200710.1103/PhysRevA.76.0527082015-12-08