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Neutron-Capture Cross-Section Measurement for 163Dy in the Neutron Energy Range from 15 to 75 keV
김현덕,EuijungJung,안정근,이대원,김귀년,Tae-IkRo,민영기,MasayukiIgashira,ToshiroOhsaki,SatoshiMizuno 한국물리학회 2002 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.41 No.5
The neutron-capture cross-sections of 163Dy were measured in the neutron energy range from 15 to 75 keV at the 3-MV Pelletron accelerator of the Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology. Pulsed neutrons were produced from the 7Li(p,n)7Be reaction by bombarding a metallic lithium target with the 1.903-MeV proton beam. The incident neutron spectra were measured by means of a neutron time-of-flight method with a 6Li-glass detector. Capture gamma-rays were detected with a large anti-Compton NaI(Tl) spectrometer. A pulse-height. weighting technique was applied to the capture gamma-ray pulse-height spectra to obtain capture yields. The neutron capture cross-sections were determined relative to the standard capture cross-sections of 197Au. The present results were compared with the previous measurements and the evaluated values of ENDF/B-VI.