The resonance at 0.873 eV in the n-γ cross section of 149Sm was used as detector of a time-of-flight neutron spectrometer for large energy transfers at the Dubna pulsed reactor. The apparatus of a test apparatus of a test experiment is described. In order to demonstrate the capability of this method vibrational levels of TiH2 were measured by inelastic neutron scattering. Agreement with previous results was found indicating that high energy transitions can be studied with resonance detectors.
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