Abstract
A method of determining the transmission function of a curved-slit slow neutron chopper by using monoenergetic neutron beams is described. The transmission function is determined directly from the time-of-flight spectra measurements, performed at several chopper speeds, of a monoenergetic neutron beam obtained by the use of a mica crystal as a sample. This method allows the experimental determination of the transmission function for the two chopper opening positions, 0° and 180°, simultaneously.
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