NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = H.Ohgaki Found 34 matches. 2021SH08 Phys.Rev. C 103, 024309 (2021) T.Shizuma, F.Minato, M.Omer, T.Hayakawa, H.Ohgaki, S.Miyamoto Low-lying electric and magnetic dipole strengths in 207Pb NUCLEAR REACTIONS 207Pb(polarized γ, γ'), E(maximum)=5.8, 6.3, 6.8 MeV quasimonochromatic photon beam generated by laser Compton scattering (LCS) with relativistic electrons circulating in the NewSUBARU storage ring; measured Eγ, Iγ at azimuthal angles of 0° and 90° relative to the polarization plane, azimuthal intensity ratios using two HPGe detectors at the LASTI of the University of Hyogo. 207Pb; deduced levels, J, π, branching ratios Γ0/Γ, integrated scattering cross sections, gΓ02/Γ, B(E1)(up), B(M1)(up), E1 and M1 photoabsorption cross sections, coherent excitations of spin-flip 1p-1h states in the 206Pb core. Nuclear resonance fluorescence (NRF) study. Comparison with particle-vibration coupling (PVC), with the quasiparticle random-phase approximation (QRPA) calculations using SkM*, SGII, and SkP interactions, and with previous experimental results.
doi: 10.1103/PhysRevC.103.024309
2017SH41 Phys.Rev. C 96, 044316 (2017) T.Shizuma, T.Hayakawa, I.Daito, H.Ohgaki, S.Miyamoto, F.Minato Low-lying dipole strength in 52Cr NUCLEAR REACTIONS 52Cr(polarized γ, γ'), E(max)=8.8, 9.4, 10.1, 11.0, 12.1 MeV quasimonochromatic, linearly polarized photon beam from NewSUBARU synchrotron radiation facility at the University of Hyogo; measured Eγ, Iγ, γγ(θ), polarization asymmetry, multipolarities. 52Cr; deduced levels, J, π, Γ02/Γ, B(E1), B(M1), cumulative M1 and E1 strengths, configurations. Comparison with previous experimental results, and with RPA and SRPA calculations using SGII and SGII+Te1 interactions.
doi: 10.1103/PhysRevC.96.044316
2015NE18 J.Nucl.Sci.Technol.(Tokyo) 52, 811 (2015) H.Negm, H.Ohgaki, I.Daito, T.Hayakawa, H.Zen, T.Kii, K.Masuda, T.Hori, R.Hajima, T.Shizuma, N.Kikuzawa Reaction-yield dependence of the (γ, γ') reaction of 238U on the target thickness NUCLEAR REACTIONS 238U(γ, γ'), E=2.475 MeV; measured reaction products, Eγ, Iγ; deduced nuclear resonance fluorescence (NRF) yield as a function of the target thickness, σ.
doi: 10.1080/00223131.2014.980348
2013SH08 Phys.Rev. C 87, 024301 (2013) T.Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, N.Kikuzawa, T.Inakura, M.Honma, H.Nakada Dipole strength distribution in 56Fe NUCLEAR REACTIONS 56Fe(polarized γ, γ'), E=7.6, 8.6, 10.0 MeV; measured Eγ, Iγ, widths, azimuthal asymmetry at TERAS facility in Tsukuba. 56Fe; deduced levels, PDR, J, π, multipolarity, B(M1), B(E1); summed dipole strengths. Comparison with random-phase approximation (RPA) with the Skyrme interaction, and shell-model calculations in the pf shell using the GXPF1J and KB3G effective interactions.
doi: 10.1103/PhysRevC.87.024301
2011SH45 J.Phys.:Conf.Ser. 312, 092056 (2011) T.Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, A.Tamii, H.Nakada Nuclear resonance fluorescence measurements by quasi-monochromatic linearly polarized photon beams NUCLEAR REACTIONS 208Pb(polarized γ, γ'), E=5.5, 6.1, 6.9, 7.4 MeV; measured Eγ, Iγ(θ) from inverse laser Compton scattering polarized γ using nuclear resonance fluorescence; deduced analyzing power, levels, J, π, decay width, reduced transition strength B(σλ), B(M1).
doi: 10.1088/1742-6596/312/9/092056
2009MA50 Nucl.Technology 168, 467 (2009) K.Masuda, T.Kii, H.Ohgaki, H.Zen, T.Yamazaki Shielding Analysis for a 40-MeV Electron Linac Facility
doi: 10.13182/NT09-A9226
2008SH23 Phys.Rev. C 78, 061303 (2008) T.Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, N.Kikuzawa, A.Tamii, H.Nakada Fine structure of the magnetic-dipole-strength distribution in 208Pb NUCLEAR REACTIONS 208Pb(polarized γ, γ), E=7.0-7.4 MeV; measured Eγ, Iγ, angular distributions, azimuthal asymmetry, B(M1), B(E1), widths. 208Pb; deduced levels, J, π.
doi: 10.1103/PhysRevC.78.061303
2007OH03 J.Nucl.Sci.Technol.(Tokyo) 44, 698 (2007) H.Ohgaki, S.Koda, Y.Iwasaki, Y.Takabayashi, K.Yoshida, T.Tomimasu, Y.Uozumi, K.Ishibashi Study of Energy Variable Laser-Compton Gamma-ray with a Fixed Energy Electron Beam
doi: 10.1080/18811248.2007.9711858
2006NA10 Phys.Rev. C 73, 034003 (2006) S.Naito, Y.Nagai, T.Shima, H.Makii, K.Mishima, K.Tamura, H.Toyokawa, H.Ohgaki, J.Golak, R.Skibinski, H.Witala, W.Glockle, A.Nogga, H.Kamada New data for total 3He(γ, p)D and 3He(γ, pp)n cross sections compared to current theory NUCLEAR REACTIONS 3He(γ, p), (γ, 2p), E=10.2, 16.0 MeV; measured charged particle spectra, σ. Comparison with model predictions.
doi: 10.1103/PhysRevC.73.034003
2006UT02 Eur.Phys.J. A 27, Supplement 1, 153 (2006) H.Utsunomiya, S.Goko, H.Toyokawa, H.Ohgaki, K.Soutome, H.Yonehara, S.Goriely, P.Mohr, Zs.Fulop Photonuclear reaction data and γ-ray sources for astrophysics NUCLEAR REACTIONS 139La, 141Pr, 186W, 187Re, 188Os(γ, n), E ≈ 8-16 MeV; measured photodisintegration σ.
doi: 10.1140/epja/i2006-08-023-8
2005SH37 Phys.Rev. C 72, 025808 (2005) T.Shizuma, H.Utsunomiya, P.Mohr, T.Hayakawa, S.Goko, A.Makinaga, H.Akimune, T.Yamagata, M.Ohta, H.Ohgaki, Y.-W.Lui, H.Toyokawa, A.Uritani, S.Goriely Photodisintegration cross section measurements on 186W, 187Re, and 188Os: Implications for the Re-Os cosmochronology NUCLEAR REACTIONS 186W, 187Re, 188Os(γ, n), E=7.3-10.9 MeV; measured σ. 185W, 186Re, 187Os(n, γ), E < 100 keV; calculated capture σ. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.72.025808
2005SH41 Nucl.Phys. A758, 561c (2005) T.Shizuma, H.Utsunomiya, S.Goko, P.Mohr, T.Hayakawa, A.Makinaga, K.Y.Hara, H.Ohgaki, Y.-W.Lui, S.Goriely Photoneutron cross section measurements on 186W, 187Re and 188Os for cosmochronology NUCLEAR REACTIONS 188Os(γ, n), E=8-11 MeV; measured σ; deduced parameters. 187Os(n, γ), E=5-50 keV; calculated capture σ. Astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2005.05.103
2005SH51 Phys.Rev. C 72, 044004 (2005) T.Shima, S.Naito, Y.Nagai, T.Baba, K.Tamura, T.Takahashi, T.Kii, H.Ohgaki, H.Toyokawa Simultaneous measurement of the photodisintegration of 4He in the giant dipole resonance region NUCLEAR REACTIONS 4He(γ, p), (γ, n), (γ, np), E=21.8-29.8 MeV; 12C(γ, p), (γ, n), E=22.3-32 MeV; measured charged particle spectra, photodisintegration σ, σ(θ). Monoenergetic pulsed photons, comparison with previous results and model predictions.
doi: 10.1103/PhysRevC.72.044004
2004MO11 Phys.Rev. C 69, 032801 (2004) P.Mohr, T.Shizuma, H.Ueda, S.Goko, A.Makinaga, K.Y.Hara, T.Hayakawa, Y.-W.Lui, H.Ohgaki, H.Utsunomiya s-process branching at 185W revised NUCLEAR REACTIONS 186W(γ, n), E ≈ 4-11 MeV; measured neutron spectra, photodisintegration σ. 185W(n, γ), E=low; deduced capture σ. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.69.032801
2004UT01 Nucl.Phys. A738, 136 (2004) H.Utsunomiya, K.Y.Hara, S.Goko, H.Akimune, T.Yamagata, M.Ohta, H.Ohgaki, H.Toyokawa, T.Hayakawa, T.Shizuma, P.Mohr, Y.-W.Lui, H.Ohkuma, H.Yonehara, K.Soutome, M.Arnould Photonuclear reaction studies at synchrotron radiation facilities in Japan
doi: 10.1016/j.nuclphysa.2004.04.022
2003HA55 Phys.Rev. D 68, 072001 (2003) K.Y.Hara, H.Utsunomiya, S.Goko, H.Akimune, T.Yamagata, M.Ohta, H.Toyokawa, K.Kudo, A.Uritani, Y.Shibata, Y.-W.Lui, H.Ohgaki Photodisintegration of deuterium and Big Bang nucleosynthesis NUCLEAR REACTIONS 2H(γ, n), E=2.3-4.5 MeV; measured products, En, In; deduced σ, σ(E). Data were imported from EXFOR entry M0668.
doi: 10.1103/PhysRevD.68.072001
2003SH18 Phys.Scr. T104, 164 (2003) T.Shima, Y.Nagai, S.Naito, K.Tamura, T.Baba, T.Takahashi, H.Ohgaki, T.Kii, H.Toyokawa Photonuclear Reactions of 3He and 4He at Low Energies and Few Body Problems NUCLEAR REACTIONS 3He(γ, p), (γ, 2p), (γ, X), E=10.5, 16.5 MeV; 4He(γ, p), (γ, n), (γ, X), E=23.4, 26.2, 29.9 MeV; measured σ. Comparison with previous data, model predictions.
doi: 10.1238/Physica.Topical.104a00164
2003SH27 Nucl.Phys. A718, 23c (2003) T.Shima, S.Naito, Y.Nagai, T.Baba, K.Tamura, H.Ohgaki, T.Kii, H.Toyokawa Photodisintegration cross sections of 3He and 4He at low energies NUCLEAR REACTIONS 4He(γ, n), (γ, p), (γ, X), E=21.4, 23.4, 26.2, 29.9 MeV; 3He(γ, p), (γ, 2p), (γ, X), E=10.5, 16.5 MeV; measured photodisintegration and total absorption σ. Comparisons with previous results.
doi: 10.1016/S0375-9474(03)00675-4
2003UT01 Phys.Rev. C 67, 015807 (2003) H.Utsunomiya, H.Akimune, S.Goko, M.Ohta, H.Ueda, T.Yamagata, K.Yamasaki, H.Ohgaki, H.Toyokawa, Y.-W.Lui, T.Hayakawa, T.Shizuma, E.Khan, S.Goriely Cross section measurements of the 181Ta(γ, n)180Ta reaction near neutron threshold and the p-process nucleosynthesis NUCLEAR REACTIONS 181Ta(γ, n), E ≈ 7.8-12 MeV; measured σ; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevC.67.015807
2003UT02 Nucl.Phys. A718, 199c (2003) H.Utsunomiya, H.Akimune, S.Goko, T.Hayakawa, Y.-W.Lui, H.Ohgaki, M.Ohta, T.Shizuma, H.Toyokawa, T.Yamagata A new astrophysical γ probe and its applications NUCLEAR REACTIONS 181Ta(γ, n), E ≈ 7.8-12.5 MeV; 9Be(γ, n), E ≈ 1.5-4.5 MeV; measured photoneutron σ. 9Be deduced resonance parameters. Comparison with previous results and model predictions.
doi: 10.1016/S0375-9474(03)00715-2
2001HA50 J.Nucl.Sci.Technol.(Tokyo) 38, 465 (2001) H.Harada, K.Furutaka, H.Ohgaki, H.Toyokawa Fine Structure of Giant Resonance in the 28Si(γ, abs) Reaction NUCLEAR REACTIONS 28Si(γ, X), E=17.5-21.5 MeV; measured absorption σ. 28Si deduced GDR fine structure.
doi: 10.1080/18811248.2001.9715055
2001SH23 Nucl.Phys. A687, 127c (2001) T.Shima, Y.Nagai, T.Baba, T.Takahashi, T.Kii, H.Ohgaki, H.Toyokawa GDR Problem in Photodisintegration of 4He NUCLEAR REACTIONS 4He(γ, p), (γ, n), (γ, np), 12C(γ, X), E=22.5, 28.9 MeV, measured σ. 4He deduced absence of GDR peak at 25 MeV. Comparison with different theoretical calculations.
doi: 10.1016/S0375-9474(01)00611-X
2001UT01 Phys.Rev. C63, 018801 (2001) H.Utsunomiya, Y.Yonezawa, H.Akimune, T.Yamagata, M.Ohta, M.Fujishiro, H.Toyokawa, H.Ohgaki Photodisintegration of 9Be with Laser-Induced Compton Backscattered γ Rays NUCLEAR REACTIONS 9Be(γ, n), E=1.78-6.11 MeV; measured photoneutron σ(E); deduced nαα reaction rate. 9Be deduced resonance widths, energies, B(E1). Comparison with compiled results.
doi: 10.1103/PhysRevC.63.018801
2001UT03 Nucl.Phys. A688, 340c (2001) H.Utsunomiya, Y.Yonezawa, H.Akimune, T.Yamagata, M.Ohta, H.Toyokawa, H.Ohgaki, K.Sumiyoshi Photodisintegration of 9Be and the Reaction Rate for α(αn, γ)9Be NUCLEAR REACTIONS 9Be(γ, n), E=1.5-6 MeV; measured En, Eγ, σ; deduced reaction rate for 4He(αn, γ) reaction. Comparison with compilations.
doi: 10.1016/S0375-9474(01)00723-0
1999OH05 Nucl.Phys. A649, 73c (1999) H.Ohgaki, H.Toyokawa, T.Noguchi, S.Sugiyama, T.Mikado, K.Yamada, R.Suzuki, T.Ohdaira, N.Sei, T.Yamazaki Observation of M1 Resonance in 206Pb using a Highly Linear Polarized Photon Beam NUCLEAR REACTIONS 206Pb(polarized γ, γ), E ≈ 6.5-8.2 MeV; measured Eγ, Iγ(θ). 206Pb deduced B(M1), damping features. Nuclear resonance fluorescence, laser-Compton photons. Comparison with quasiparticle model.
doi: 10.1016/S0375-9474(99)00042-1
1998HA03 Phys.Rev.Lett. 80, 33 (1998) H.Harada, Y.Shigetome, H.Ohgaki, T.Noguchi, T.Yamazaki High-Resolution Measurement of Fine Structure in the Photoabsorption Cross Section of 18O NUCLEAR REACTIONS 18O(γ, X), E=8-13.4 MeV; measured photoabsorption σ(E). 18O deduced resonances E, Γ.
doi: 10.1103/PhysRevLett.80.33
1998HA62 J.Nucl.Sci.Technol.(Tokyo) 35, 733 (1998) H.Harada, K.Furutaka, Y.Shigetome, H.Ohgaki, H.Toyokawa Super High Resolution Measurement of Fine Structure in the Total Photonuclear Cross Section of 13C NUCLEAR REACTIONS 13C(γ, X), E=14.9-15.3 MeV; measured photoabsorption σ; deduced resonance width. High-resolution data, laser Compton scattering.
doi: 10.1080/18811248.1998.9733935
1998SH05 Nucl.Phys. A629, 475c (1998) T.Shima, Y.Nagai, T.Kii, T.Baba, T.Takahashi, H.Ohgaki Precision Test of Charge Symmetry of Nuclear Force Via Photonuclear Reactions of 4He NUCLEAR REACTIONS 4He(γ, n), (γ, p), E=25 MeV; measured σ. Laser-Compton scattered beam.
doi: 10.1016/S0375-9474(97)00725-2
1996MA11 Phys.Rev. C53, 1792 (1996) M.Matoba, K.Kurohmaru, O.Iwamoto, A.Nohtomi, Y.Uozumi, T.Sakae, N.Koori, H.Ohgaki, H.Ijiri, T.Maki, M.Nakano, H.M.Sen Gupta (p, d) Reaction on 62Ni at 65 MeV NUCLEAR REACTIONS 62Ni(polarized p, d), E=65 MeV; measured σ(Ed, θ), analyzing power vs Ed, θ. 61Ni deduced levels, J, π. DWBA analyses. Enriched target. Other data discussed, analyzed.
doi: 10.1103/PhysRevC.53.1792
1995MA06 Nucl.Phys. A581, 21 (1995) M.Matoba, O.Iwamoto, Y.Uozumi, T.Sakae, N.Koori, H.Ohgaki, H.Kugimiya, H.Ijiri, T.Maki, M.Nakano Fragmentation of Neutron-Hole Strengths in 59Ni Observed in the 60Ni(p, d)59Ni Reaction at 65 MeV NUCLEAR REACTIONS 60Ni(polarized p, d), E=65 MeV; measured σ(E, θ), A(y)(E, θ). 59Ni deduced levels, L, J, spectroscopic factors. DWBA analysis. Enriched target.
doi: 10.1016/0375-9474(94)00295-X
1994OH06 Nucl.Instrum.Methods Phys.Res. A353, 384 (1994) H.Ohgaki, T.Noguchi, S.Sugiyama, T.Yamazaki, T.Mikado, M.Chiwaki, K.Yamada, R.Suzuki, N.Sei Linearly Polarized Photons from Compton Backscattering of Laser Light for Nuclear Resonance Fluorescence Experiments NUCLEAR REACTIONS 208Pb(polarized γ, γ), (γ, γ'), E=5.52, 4.85 MeV; measured Eγ, Iγ. 208Pb levels deduced parity.
doi: 10.1016/0168-9002(94)91681-0
1993MA22 Phys.Rev. C48, 95 (1993) M.Matoba, O.Iwamoto, Y.Uozumi, T.Sakae, N.Koori, T.Fujiki, H.Ohgaki, H.Ijiri, T.Maki, M.Nakano 40Ca(p, d)39Ca Reaction at 65 MeV NUCLEAR REACTIONS 40Ca(polarized p, d), E=65 MeV; measured σ(θ), analyzed power vs θ. 39Ca deduced levels, J, π, C2S. DWBA analysis.
doi: 10.1103/PhysRevC.48.95
1989MA16 Phys.Rev. C39, 1658 (1989) M.Matoba, H.Ijiri, H.Ohgaki, S.Uehara, T.Fujiki, Y.Uozumi, H.Kugimiya, N.Koori, I.Kumabe, M.Nakano Strength Function of the d5/2 Hole State in 39Ca NUCLEAR REACTIONS 40Ca(polarized p, d), E=65 MeV; measured σ(Ed), analyzing power vs θ. 39Ca levels deduced transfer L, j, spectroscopic factors. Natural target. DWBA analysis.
doi: 10.1103/PhysRevC.39.1658
1989NA12 Phys.Rev. C40, 1323 (1989) M.Nakano, H.Matsuura, T.Maki, M.Matoba, H.Ohgaki Optical Potentials for Alpha Particles on Ca Isotopes at 1.37 GeV NUCLEAR REACTIONS 40,42,44,48Ca(α, α), E=1.37 GeV; calculated σ(θ); deduced the best-fit optical potentials. Phenomenological optical-model analysis, Woods-Saxon, double Woods-Saxon forms.
doi: 10.1103/PhysRevC.40.1323
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