Abstract
The photon spectrum from radiative absorption of negative muons in $^{16}\mathrm{O}$ has been measured with a high-resolution pair spectrometer. The integrated branching ratio for photons with energies greater than 57 MeV relative to the total muon absorption rate is (3.8\ifmmode\pm\else\textpm\fi{}0.4)\ifmmode\times\else\texttimes\fi{}${10}^{\mathrm{\ensuremath{-}}5}$. The data are consistent with nuclear model calculations for a value of the induced pseudoscalar coupling in $^{16}\mathrm{O}$ of ${g}_{P}$/${g}_{A}$=13.5\ifmmode\pm\else\textpm\fi{}1.5.
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