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Journal Articles

Nuclear data evaluation of the $$^7$$Li(p,xn) reaction for incident energies up to 200 MeV

Matsumoto, Yuiki*; Watanabe, Yukinobu*; Kunieda, Satoshi; Iwamoto, Osamu

JAEA-Conf 2015-003, p.191 - 196, 2016/03

Neutron emission from the $$^7$$Li(p,n)$$^7$$Be reaction can be divided into two components: a mono-energetic component for the transition to the ground and the 1st excited states and a continuum component formed by $$^7$$Li breakup processes. For the former, we have obtained the differential cross sections by interpolation based on Legendre fitting of available experimental data up to 45 MeV and apply DWBA calculations above 45 MeV. Next, we have applied the CCONE code to DDX calculations of the continuum component, and adjusted pre-equilibrium model parameters to reproduce experimental data well. Finally, both the results are merged and then the evaluated DDX data are completed.

Journal Articles

New approach to measure double-differential charged-particle emission cross sections of several materials for a fusion reactor

Kondo, Keitaro; Takagi, Satoshi*; Murata, Isao*; Miyamaru, Hiroyuki*; Takahashi, Akito*; Kubota, Naoyoshi; Ochiai, Kentaro; Nishitani, Takeo

Fusion Engineering and Design, 81(8-14), p.1527 - 1533, 2006/02

 Times Cited Count:12 Percentile:29.89(Nuclear Science & Technology)

In a fusion reactor development, double-differential charged-particle emission cross sections(DDXc) are necessary to estimate nuclear heating and material damages of candidate materials irradiated with neutrons. Especially in light nuclei such as Be, Li, and C, nuclear reactions are complicated and difficult to estimate energy spectra of emitted particles based only on theoretical calculations Therefore development of a new technique for precise measurements of DDXc is quite important. Recently we successfully developed a new spectrometer for measurement of DDXc using a pencil-beam DT neutron source of FNS in JAERI. In the present study we carried out measurements of DDXc of $$^{9}$$Be, $$^{12}$$C, $$^{19}$$F, and $$^{27}$$Al using the spectrometer. The present technique was valid from the result of measurement for the $$^{27}$$Al(n,x$$alpha$$) reactions. Slight differences appeared between measured data and evaluation or previous experimental values for $$^{9}$$Be(n,x$$alpha$$) reactions at backward scattering angle and in lower energy region.

JAEA Reports

Measurement and theoretical analysis of neutron-induced neutron-emission reactions of $$^{6}$$Li at 10 to 20MeV region

*; *; Matsuyama, Shigeo*; Chiba, Satoshi; *; Shibata, Keiichi; Iwamoto, Osamu; A.J.Koning*; G.M.Hale*; M.B.Chadwick*

JAERI-Research 98-032, 28 Pages, 1998/06

JAERI-Research-98-032.pdf:1.31MB

no abstracts in English

JAEA Reports

Development of BERMUDA, a radiation transport code system, Part I; Neutron transport codes

Suzuki, Tomoo; ; Tanaka, Shunichi;

JAERI 1327, 110 Pages, 1992/05

JAERI-1327.pdf:4.53MB

no abstracts in English

JAEA Reports

One-, tow-, three-dimensional transport codes using multi-group double-differential form cross sections

Mori, Takamasa; Nakakawa, Masayuki; *

JAERI 1314, 151 Pages, 1988/11

JAERI-1314.pdf:4.5MB

no abstracts in English

JAEA Reports

ANISN-DD; One-dimensional Sn transport code using multi-group double-differential form cross sections

Mori, Takamasa; *; Nakakawa, Masayuki

JAERI-M 87-123, 55 Pages, 1987/08

JAERI-M-87-123.pdf:1.21MB

no abstracts in English

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