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Yeong-Rok Kang,Guinyun Kim,Toshiro Ohsaki,Hyun Kim,Masayuki Igashira,이삼열,Tae-Ik Ro,Won-Chumg Chung 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.I
The neutron capture cross-sections of $^{165}$Ho were measured in the energy region from 10 to 90 keV. Pulsed keV-neutrons were produced via the $^{7}$Li(p,n)$^{7}$Be reaction by bombarding the lithium target with a 1.5-ns bunched proton beam from the 3-MV Pelletron accelerator of the Tokyo Institute of Technology. The neutron energy, having a continuous spectrum, was measured by using a time-of-flight method and a $^{6}$Li-glass scintillation detector. The gamma-rays emitted from the reaction were detected by using an anti-Compton NaI(Tl) spectrometer. A pulse-height weighting technique was applied to observe the capture gamma-ray pulse-height spectra to derive the capture yields. The neutron capture cross-sections were determined relative to the standard capture cross-sections of $^{197}$Au. The present results were compared with previous measurements and with the evaluated values of ENDF/B-VII-b2 and JEF-3.1