NDLI: Time-of-flight measurement of low-energy components of quasi-monoenergetic high-energy neutron field

Content Provider	IEEE Xplore Digital Library
Author	Masuda, A. Matsumoto, T. Harano, H. Tanimura, Y. Shikaze, Y. Kurashima, S. Hagiwara, M. Unno, Y. Nishiyama, J. Yoshizawa, M. Seito, H.
Copyright Year	2013
Description	Author affiliation: Nucl. Sci. Res. Inst., Japan Atomic Energy Agency, Tokai, Japan (Tanimura, Y.; Shikaze, Y.; Yoshizawa, M.) \|\| Nat. Metrol. Inst. of Japan, Tsukuba, Japan (Masuda, A.; Matsumoto, T.; Harano, H.; Unno, Y.) \|\| Takasaki Adv. Radiat. Res. Inst., Japan Atomic Energy Agency, Takasaki, Japan (Kurashima, S.; Seito, H.) \|\| Res. Lab. for Nucl. Reactors, Tokyo Inst. of Technol., Tokyo, Japan (Nishiyama, J.) \|\| Radiat. Sci. Center, High Energy Accel. Res. Organ., Tsukuba, Japan (Hagiwara, M.)
Abstract	A quasi-monoenergetic neutron field generated in the $^{7}Li(p,n)$ reaction consists of a high-energy monoenergetic peak and a continuum to the low-energy region. The continuum is a background for the response measurements of neutron detectors for the high-energy-peak neutrons and the effect of the continuum should be properly considered. A spectral fluence of the continuum is typically measured by time-of-flight (TOF) methods with an organic liquid scintillation detector. The lowest energy of this method is limited to several MeV because of a high repetition rate of proton beams generated by the AVF cyclotron. Recently, a new beam chopping system available at the TIARA AVF cyclotron facility achieved 1/80 reduction of the beam repetition rate and the lower limit energy of the TOF method has decreased to 20 keV. A Li-glass scintillation detector was also used for measurements of keV region, which is below the working range of the organic liquid scintillation detector. The spectral fluence of the quasi-monoenergetic high-energy neutron field measured by the TOF method using the two scintillation detectors is reported in this presentation.
Starting Page	1
Ending Page	5
File Size	353472
Page Count	5
File Format	PDF
e-ISBN	9781479905348
DOI	10.1109/NSSMIC.2013.6829649
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-27
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neutrons Detectors Cyclotrons Pollution measurement Semiconductor device measurement Liquids Particle beams
Content Type	Text
Resource Type	Article

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