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JAEA Reports

Measurement of high-energy neutron fluxes and spectra around the J-PARC mercury spallation neutron target using multi-foil activation method

Kasugai, Yoshimi; Harada, Masahide; Kai, Tetsuya; Oi, Motoki; Meigo, Shinichiro; Maekawa, Fujio

JAEA-Data/Code 2015-033, 28 Pages, 2016/03

JAEA-Data-Code-2015-033.pdf:1.78MB

The high-energy neutron fluxes and spectra around the mercury spallation neutron source at MLF of J-PARC were measured by the multi-foil activation method. The threshold energies of neutron reactions utilized in this experiment covered from 0.1 to 50 MeV. The foil irradiation was carried out on the first beam-run of MLF from May 30th to 31th, 2008. After the irradiation, the induced radioactivity of each foil was measured using an HPGe detector, and the neutron-induced reaction-rate distribution around the mercury target was determined. Using these data, the high-energy neutron fluxes and spectra were deduced with unfolding method in which the neutron spectra calculated with PHITS code were used as the initial-guess spectra. By comparison between the initial and the unfolded spectra, it was shown that most of the calculation results, which had been the basis of the neutronics design of the MLF target assembly, were consistent with the experimental data within $$pm$$30%.

Journal Articles

Design of neutron monitor for wide energy range from thermal to 100MeV

Kim, E.; Endo, Akira; Yamaguchi, Yasuhiro; Yoshizawa, Michio; Nakamura, Takashi*; Shiomi, T.*

Proceedings of 10th International Congress of the International Radiation Protection Association (IRPA-10) (CD-ROM), 6 Pages, 2000/05

no abstracts in English

Journal Articles

A Factorization of LET effects of ion induced photostimulated luminescence

Abe, Ken*; Saito, Kiwamu*; To, Kentaro; Kojima, Takuji; Sakai, Takuro

JAERI-Review 99-025, TIARA Annual Report 1998, p.103 - 105, 1999/10

no abstracts in English

JAEA Reports

A Study on various neutron standard fields for workplace

Asano, Yoshihiro

JAERI-Research 99-045, 105 Pages, 1999/08

JAERI-Research-99-045.pdf:3.56MB

no abstracts in English

JAEA Reports

Preparation of dosimetry code for static experiment critical facility STACY (Contract research)

Sakurai, Kiyoshi; Miyoshi, Yoshinori; Nakamura, Takemi*; Sato, Osamu*

JAERI-Data/Code 99-021, 99 Pages, 1999/03

JAERI-Data-Code-99-021.pdf:3.03MB

no abstracts in English

Journal Articles

Measurement and evaluation of neutron spectra in the JMTR

Genshiryoku Kogyo, 29(10), p.44 - 52, 1983/00

no abstracts in English

JAEA Reports

Journal Articles

Use of new threshold detector $$^{1}$$$$^{9}$$$$^{9}$$Hg(n,n´)$$^{1}$$$$^{9}$$$$^{9}$$$$^{m}$$Hg for neutron spectrum unfolding

NUREG/CP-0029(Vol.1), p.373 - 378, 1982/00

no abstracts in English

JAEA Reports

Journal Articles

Effect of the light output efficiency of charged particles on an unfolded neutron spectrum by an NE213 organic scintillator

;

Nuclear Instruments and Methods, 148(2), p.395 - 397, 1978/02

no abstracts in English

Journal Articles

A Computer program for spectrum analysis

Nuclear Instruments and Methods, 148(1), p.173 - 178, 1978/01

no abstracts in English

JAEA Reports

The Unfolding code system for the NE213 liquid scintillator

;

JAERI-M 6952, 25 Pages, 1977/02

JAERI-M-6952.pdf:0.61MB

no abstracts in English

Journal Articles

A study on the texture of the $$gamma$$-ray polymeriyed polyethylie with stirring

*; Kuriyama, Isamu; *

Seni Gakkai-Shi, 30(3), p.184 - 188, 1974/03

no abstracts in English

13 (Records 1-13 displayed on this page)
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