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THE MEASUREMENT OF THE BERYLLIUM SECONDARY NEUTRON SPECTRA
Author(s): 
Pages: 6-10
Year: Issue:  S1
Journal: China Nuclear Science and Technology Report

Abstract: The beryllium secondary neutron time-of-flight spectra induced by 14.7 MeV neutrons have been measured with an associated particle time of flight spectrometer at the laboratory angles of 15, 25, 35, 45, 60, 75, 90, 105, 120 and 135 degrees. The flight path of secondary neutrons is 254 cm. The bias is 0.9 MeV of the spectrometer and the tims resolution is about 1.5 ns. The effective energy ranges is 1.0 MeV to 14.7 MeV for the secondary neutron spectra and the statistical error is 4-10%.
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