Measurements of keV-Neutron Capture Cross Sections and Capture Gamma-Ray Spectra of ^<117,119>Sn
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概要
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The neutron capture cross sections and the capture γ-ray spectra of 117,119Sn were measured in an energy region from 15 to 100 keV and around 550 keV. A neutron time-of-flight method was adopted with a ns-pulsed neutron source based on the 7Li(p,n)7Be reaction and with a large anti-Compton NaI(Tl) spectrometer. A pulse-height weighting technique was applied to the observed capture γ-ray pulse-height spectra to obtain the capture yields. Using the standard capture cross sections of 197Au, the capture cross sections of 117,119Sn were derived with the errors less than 5%. The capture γ-ray spectra were obtained by unfolding the observed capture γ-ray pulse-height spectra. The present results for the capture cross sections are compared with the previous experimental values and the evaluated values of JENDL-3.3, and ENDF/B-VI.8 and VII.0.
- 2008-04-25
著者
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IGASHIRA Masayuki
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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OHSAKI Toshiro
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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Ohsaki T
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Ohsaki Toshiro
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Igashira Masayuki
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Kim Guinyun
Department Of Physics Kyungpook National University
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NISHIYAMA Jun
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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CHUNG Won-Chung
Department of Physics, Dong-A University
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RO Tae-Ik
Department of Physics, Dong-A University
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Ro Tae-ik
Department Of Physics Dong-a University
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Nishiyama Jun
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Chung Won-chung
Department Of Physics Dong-a University
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