Measurements of neutron-induced neutron-production double-differential cross sections from 50 to 150 MeV

T. Kajimoto, Nobuhiro Shigyo, Kenji Ishibashi, D. Moriguchi, Y. Nakamura, H. Arakawa, S. Kunieda, T. Watanabe, R. C. Haight

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We measured neutron-production double-differential cross-sections by neutron incidence from 50 to 150 MeV. A 238U fission ionization chamber was set to take the incident-neutron flux. Six NE213 liquid scintillators which had a thickness of 12.7 cm and 12.7 cm in diameter, were placed at 15°, 30°, 60°, 90°, 120°, and 150° to detect neutrons emitted from a sample. The energy of incident neutron was determined by the time of flight (TOF) technique. The energy spectra of neutron emitted from the sample were derived by the unfolding their light output spectra with the response functions of the detectors. The response functions were measured with the spallation neutrons above 25 MeV. In the unfolding process, we assumed that neutron energy spectra reproduced the shape by the moving source model. The neutron-induced neutron-production double-differential cross sections were parameterized with the moving source model by the least-square method. The experimental results were compared with calculations of the PHITS and the TALYS codes.

Original languageEnglish
Pages (from-to)1721-1724
Number of pages4
JournalJournal of the Korean Physical Society
Volume59
Issue number23
DOIs
Publication statusPublished - Aug 1 2011

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neutrons
cross sections
energy spectra
neutron spectra
spallation
ionization chambers
least squares method
flux (rate)
scintillation counters
fission
incidence
output
detectors
liquids
energy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Measurements of neutron-induced neutron-production double-differential cross sections from 50 to 150 MeV. / Kajimoto, T.; Shigyo, Nobuhiro; Ishibashi, Kenji; Moriguchi, D.; Nakamura, Y.; Arakawa, H.; Kunieda, S.; Watanabe, T.; Haight, R. C.

In: Journal of the Korean Physical Society, Vol. 59, No. 23, 01.08.2011, p. 1721-1724.

Research output: Contribution to journalArticle

Kajimoto, T, Shigyo, N, Ishibashi, K, Moriguchi, D, Nakamura, Y, Arakawa, H, Kunieda, S, Watanabe, T & Haight, RC 2011, 'Measurements of neutron-induced neutron-production double-differential cross sections from 50 to 150 MeV', Journal of the Korean Physical Society, vol. 59, no. 23, pp. 1721-1724. https://doi.org/10.3938/jkps.59.1721
Kajimoto, T. ; Shigyo, Nobuhiro ; Ishibashi, Kenji ; Moriguchi, D. ; Nakamura, Y. ; Arakawa, H. ; Kunieda, S. ; Watanabe, T. ; Haight, R. C. / Measurements of neutron-induced neutron-production double-differential cross sections from 50 to 150 MeV. In: Journal of the Korean Physical Society. 2011 ; Vol. 59, No. 23. pp. 1721-1724.
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AU - Nakamura, Y.

AU - Arakawa, H.

AU - Kunieda, S.

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