NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = N.Hirakawa Found 26 matches. 2000MI04 Ann.Nucl.Energy 27, 625 (2000) T.Miura, M.Baba, M.Ibaraki, T.Sanami, T.Win, Y.Hirasawa, N.Hirakawa Measurement of Neutron Inelastic Scattering Cross-Section for the First Level of 238U in Hundreds of keV Range NUCLEAR REACTIONS 238U(n, n'), E=350-855 keV; measured σ(E, θ). Comparison with data library.
doi: 10.1016/S0306-4549(99)00074-2
2000SA06 Nucl.Instrum.Methods Phys.Res. A440, 403 (2000) T.Sanami, M.Baba, K.Saito, N.Hirakawa (n, α) Cross-Section Measurement using a Gaseous Sample and a Gridded Ionization Chamber NUCLEAR REACTIONS 12C(n, α), E=14.1 MeV; measured σ. Gaseous sample, gridded ionization chamber.
doi: 10.1016/S0168-9002(99)00945-6
1999BA73 Nucl.Instrum.Methods Phys.Res. A428, 454 (1999) M.Baba, Y.Nauchi, T.Iwasaki, T.Kiyosumi, M.Yoshioka, S.Matsuyama, N.Hirakawa, T.Nakamura, Su.Tanaka, S.Meigo, H.Nakashima, Sh.Tanaka, N.Nakao Characterization of 40-90 MeV 7Li(p, n) Neutron Source at TIARA using a Proton Recoil Telescope and a TOF Method NUCLEAR REACTIONS 7Li(p, n), E=43-87 MeV; measured neutron spectra, production σ. Proton recoil telescope.
doi: 10.1016/S0168-9002(99)00161-8
1999IW02 J.Nucl.Sci.Technol.(Tokyo) 36, 127 (1999) T.Iwasaki, K.Saito, M.Baba, T.Sanami, Y.Nauchi, N.Hirakawa Measurement of Fast Neutron-Induced Fission Cross Section Ratio of Neptunium-237 Relative to Uranium-235 between 6 and 120 keV NUCLEAR REACTIONS 237Np(n, F), E=6-120 keV; measured fission σ.
doi: 10.1080/18811248.1999.9726190
1999NA14 J.Nucl.Sci.Technol.(Tokyo) 36, 143 (1999) Y.Nauchi, M.Baba, T.Sanami, M.Ibaraki, T.Iwasaki, N.Hirakawa, S.Tanaka, S.-I.Meigo, H.Nakashima, H.Takada, T.Nakamura, Y.Watanabe Measurements of (n, xp), (n, xd) Double Differential Cross Sections of Carbon and Aluminum for 65 and 75 MeV Neutrons NUCLEAR REACTIONS C, 27Al(n, pX), (n, dX), E=65, 75 MeV; measured σ(E, θ). Comparison with model predictions. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23015. 1999WI12 J.Nucl.Sci.Technol.(Tokyo) 36, 486 (1999) T.Win, M.Baba, M.Ibaraki, T.Miura, T.Sanami, T.Iwasaki, N.Hirakawa Measurement of Prompt Fission Neutron Spectrum of Neptunium-237 for 0.62 MeV Incident Neutrons NUCLEAR REACTIONS 237Np(n, F), E=0.62 MeV; measured prompt fission neutron spectra; deduced Maxwellian distribution parameters. Comparison with evaluated data, previous measurements.
doi: 10.1080/18811248.1999.9726231
1998CH33 Phys.Rev. C58, 2205 (1998); Erratum Phys.Rev. C59, 558 (1999) S.Chiba, K.Togasaki, M.Ibaraki, M.Baba, S.Matsuyama, N.Hirakawa, K.Shibata, O.Iwamoto, A.J.Koning, G.M.Hale, M.B.Chadwick Measurement and Theoretical Analysis of Neutron Elastic Scattering and Inelastic Reactions Leading to a Three-Body Final State for 6Li at 10 to 20 MeV NUCLEAR REACTIONS 6Li(n, n), (n, n'), E=11.5, 14.1, 18.0 MeV; measured neutron spectra, σ(E, θ); deduced optical model parameters, breakup channel final state interaction features.
doi: 10.1103/PhysRevC.58.2205
1998IB02 J.Nucl.Sci.Technol.(Tokyo) 35, 843 (1998) M.Ibaraki, M.Baba, S.Matsuyama, T.Sanami, T.Win, T.Miura, N.Hirakawa Measurements of Double-Differential Neutron Emission Cross Sections of 6Li, 7Li and 9Be for 11.5 MeV and 18.0 MeV Neutrons NUCLEAR REACTIONS 6,7Li, 9Be(n, nX), E=11.5, 18.0 MeV; measured neutron spectra, σ(En, θ), σ(θ). Comparison with evaluated data sets.
doi: 10.1080/18811248.1998.9733956
1998IW02 J.Nucl.Sci.Technol.(Tokyo) 35, 169 (1998) T.Iwasaki, Y.Sakuya, N.Hirakawa, H.Nakashima, Y.Sakamoto, H.Takada, S.Tanaka Measurement and Analysis of Fission Rate Distributions of 237Np and 238U in a Polyethylene System with a 65 MeV Neutron Source NUCLEAR REACTIONS 237Np, 238U(n, F), E < 65 MeV; measured fission rates vs polyethylene thickness. Comparison with NMTC/JAERI calculations. Implications for accelerator-driven transmutation system.
doi: 10.1080/18811248.1998.9733841
1998SA65 J.Nucl.Sci.Technol.(Tokyo) 35, 851 (1998) T.Sanami, M.Baba, T.Kawano, S.Matsuyama, T.Kiyosumi, Y.Nauchi, K.Saito, N.Hirakawa High Resolution Measurements of Double Differential (n, α) Cross Sections of 58Ni and natNi between 4.2 and 6.5 MeV Neutrons NUCLEAR REACTIONS 58Ni, Ni(n, α), E=4.2-6.5 MeV; measured σ(Eα, θ). Comparison with theory.
doi: 10.1080/18811248.1998.9733957
1997SA68 Nucl.Instrum.Methods Phys.Res. A394, 368 (1997) T.Sanami, M.Baba, I.Matsuyama, S.Matsuyama, T.Kiyosumi, Y.Nauchi, N.Hirakawa Measurement of 14N(n, p)14C Cross Section for kT = 25.3 keV Maxwellian Neutrons using Gridded Ionization Chamber NUCLEAR REACTIONS 14N(n, p), E ≈ 25 keV; measured σ. Maxwellian neutron energy distribution. Implications for astrophysical s-process discussed.
doi: 10.1016/S0168-9002(97)00698-0
1996BB13 Nucl.Instrum.Methods Phys.Res. A376, 115 (1996) M.Baba, M.Takada, T.Iwasaki, S.Matsuyama, T.Nakamura, H.Ohguchi, T.Nakao, T.Sanami, N.Hirakawa Development of Monoenergetic Neutron Calibration Fields between 8 keV and 15 MeV NUCLEAR REACTIONS 45Sc, 7Li, 2,3H(p, n), E ≤ 4.5 MeV; measured energy spectra. Tof technique, monoenergetic neutron calibration fields development.
doi: 10.1016/0168-9002(96)00190-8
1996MA77 Nucl.Instrum.Methods Phys.Res. A372, 246 (1996) S.Matsuyama, T.Ohkubo, M.Baba, S.Iwasaki, D.Soda, M.Ibaraki, N.Hirakawa Developments of a Long Liquid Scintillation Detector for Fast Neutron Time-of-Flight Experiments NUCLEAR REACTIONS 3H(d, n), 15N(d, n), E not given; measured neutron detection efficiency, resolution, linearity, position dependences. Long liquid scintillation detector, fast neutron tof studies.
doi: 10.1016/0168-9002(95)01300-8
1995BB18 Nucl.Instrum.Methods Phys.Res. A366, 354 (1995) M.Baba, S.Matsuyama, M.Ishikawa, S.Chiba, T.Sakase, N.Hirakawa Correction of Double-Differential Neutron Emission Data for Sample-Dependent Effects NUCLEAR REACTIONS Mo, 12C(n, xn), E=14 MeV; 93Nb(n, xn), E=18 MeV; measured σ(θn, En). Data correction method with sample size effects, contaminant source neutrons caused sample-dependent background.
doi: 10.1016/0168-9002(95)00616-8
1994BB16 Proc.Intern.Conf.Nuclear Data for Science and Technology, Gatlinburg, Tennesse, 9-13 May, 1994, J.K.Dickens, Ed., American Nuclear Society, Vol.2, p.941 (1994) M.Baba, N.Ito, I.Matsuyama, S.Matsuyama, N.Hirakawa, S.Chiba, T.Fukahori, M.Mizumoto, K.Hasegawa, S.Meigo Measurement of double-differential (n, α) cross sections of Fe, Ni, Cu and 50Cr for 4.5 - 14.1 MeV neutrons NUCLEAR REACTIONS Ni(n, x), E=4.3-14.1 MeV; measured products, 4He; deduced σ(E). Data were imported from EXFOR entry 22287. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22287. 1994BB17 Proc.Intern.Conf.Nuclear Data for Science and Technology, Gatlinburg, Tennesse, 9-13 May, 1994, J.K.Dickens, Ed., American Nuclear Society, Vol.1, p .90 (1994) M.Baba, T.Kiyosumi, T.Iwasaki, M.Yoshioka, S.Matsuyama, N.Hirakawa, T .Nakamura, Su.Tanaka, R.Tanaka, Sh.Tanaka, H.Nakashima, S.Meigo Characterization and Application of 20-90 MeV 7Li(p, n) Neutron Source at Tiara NUCLEAR REACTIONS 7Li(p, x), E=43-67 MeV; measured products, Eν, Inulln; deduced σ(θ, E), σ(θ). Data were imported from EXFOR entry O0659. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0659. 1994IT04 Nucl.Instrum.Methods Phys.Res. A337, 474 (1994) N.Ito, M.Baba, S.Matsuyama, I.Matsuyama, N.Hirakawa Large Solid Angle Spectrometer for the Measurements of Differential (n, Charged-Particle) Cross Sections NUCLEAR REACTIONS Ni(n, α), E=6.1, 7.9 MeV; 6Li(n, t), E=thermal; 1H(n, p), E=6.1 MeV; Ni(n, xα), E=14.1 MeV; Ni(n, p), E=5 MeV; measured particle spectra; deduced σ(θ, E(particle)) in some cases. Gridded ionization chamber based charged-particle spectrometer.
doi: 10.1016/0168-9002(94)91117-7
1994MA65 Nucl.Instrum.Methods Phys.Res. A348, 34 (1994) S.Matsuyama, M.Fujisawa, M.Baba, T.Iwasaki, S.Iwasaki, R.Sakamoto, N.Hirakawa, K.Sugiyama A Compact Post-Acceleration Beam Chopper for a 4.5 MV Dynamitron Pulsed Neutron Generator NUCLEAR REACTIONS 1,3H, Ni(n, n), E=14.1 MeV; measured neutron spectra. Post acceleration beam chopper.
doi: 10.1016/0168-9002(94)90839-7
1990BA33 J.Nucl.Sci.Technol.(Tokyo) 27, 601 (1990) M.Baba, H.Wakabayashi, N.Ito, K.Maeda, N.Hirakawa Measurement of Double-Differential Neutron Emission Spectra from Uranium-238 NUCLEAR REACTIONS 238U(n, n), (n, n'), E=1.2-14.1 MeV; measured σ(θn, En), σ(θ), emission spectra; deduced reaction mechanism.
doi: 10.1080/18811248.1990.9731229
1990IW03 J.Nucl.Sci.Technol.(Tokyo) 27, 885 (1990) T.Iwasaki, F.Manabe, M.Baba, S.Matsuyama, H.Kimiyama, N.Hirakawa Measurement of Fast Neutron Induced Fission Cross Section Ratios of Pu-240 and Pu-242 Relative to U-235 NUCLEAR REACTIONS 240,242Pu(n, F), E=fast; measured fission σ, ratio relative to 235U. Fast timing fission chamber.
doi: 10.1080/18811248.1990.9731269
1987KA26 J.Nucl.Sci.Technol.(Tokyo) 24, 423 (1987) K.Kanda, H.Imaruoka, H.Terayama, Y.Karino, N.Hirakawa Measurement of Fast Neutron Induced Fission Cross Section of Americium-243 Relative to Uranium-235 NUCLEAR REACTIONS 243Am(n, F), E=1.1-6.8 MeV; measured fission σ(E), ratio relative to 235U. Ionization chamber.
doi: 10.1080/18811248.1987.9735827
1986BA35 Radiat.Eff. 92, 223 (1986) M.Baba, M.Ono, N.Yabuta, T.Kikuti, N.Hirakawa Scattering of 14.1-MeV Neutrons from 10B, 11B, C, N, O, F and Si NUCLEAR REACTIONS 10,11B, 12C, N, O, F, Si(n, xn), E=14.1 MeV; 12C(n, xn), E=18.2 MeV; measured σ(θn, En). 12C(n, n'), E=14.1, 18.2 MeV; measured σ(θ). 12C(n, 3α), E=14.1, 18.2 MeV; measured σ.
doi: 10.1080/00337578608208327
1986CH24 Radiat.Eff. 92, 227 (1986) S.Chiba, M.Baba, H.Nakashima, M.Ono, N.Yabuta, S.Yukinori, N.Hirakawa Interaction of Fast Neutrons with 6,7Li NUCLEAR REACTIONS 6,7Li(n, xn), E ≈ 4.2-6, 14.2 MeV; measured σ(θn, En); deduced 7,6Li(n, 2n) reaction σ. 6,7Li(n, n), (n, n'), E=14.2 MeV; measured σ(θ); deduced model parameters. Coupled-channels analysis.
doi: 10.1080/00337578608208328
1986HI04 Radiat.Eff. 93, 229 (1986) N.Hirakawa, K.Sugiyama, S.Itagaki, S.Iwasaki, M.Baba, K.Kanda Nuclear Data Measurement of 232Th for Fast Neutrons NUCLEAR REACTIONS 232Th(n, n), (n, n'γ), (n, F), E=0.05-15 MeV; measured σ, σ(θ), σ(En), γ(θ), prompt fission neutron spectra.
doi: 10.1080/00337578608207459
1986KA19 Radiat.Eff. 93, 233 (1986) K.Kanda, H.Imaruoka, K.Yoshida, O.Sato, N.Hirakawa Measurement of Fast Neutron Induced Fission Cross Sections of 232Th, 233U and 234U Relative to 235U NUCLEAR REACTIONS 232Th, 233,234U(n, F), E=0.5-7 MeV; measured fission σ(E). Electrostatic accelerator, 235U standard.
doi: 10.1080/00337578608207460
1985CH37 J.Nucl.Sci.Technol.(Tokyo) 22, 771 (1985) S.Chiba, M.Baba, H.Nakashima, M.Ono, N.Yabuta, S.Yukinori, N.Hirakawa Double-Differential Neutron Emission Cross Sections of 6Li and 7Li at Incident Neutron Energies of 4.2, 5.4, 6.0 and 14.2 MeV NUCLEAR REACTIONS 6Li(n, n), (n, n'), (n, 2n), (n, nd), E=4.2, 5.4, 14.2 MeV; 7Li(n, n), (n, n'), (n, 2n), (n, nt), E=5.4, 6, 14.2 MeV; measured σ(θ), σ(θ1, θ2); deduced reaction σ. Coupled-channels method.
doi: 10.1080/18811248.1985.9735728
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