The neutron gyromagnetic ratio has been measured relative to that of the Hg-199 atom with an uncertainty of 0.8ppm. We employed an apparatus where ultracold neutrons and mercury atoms are stored in the same volume and report the result gamma(n)/gamma(Hg) = 3.8424574(30). (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license
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Ultracold neutrons,Mercury atoms,Magnetic moment,Gyromagnetic ratio