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NSR database version of April 11, 2024.

Search: Author = K.Sakai

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2023OK03      Phys.Rev. C 107, 054602 (2023)

T.Okudaira, Y.Tani, S.Endo, J.Doskow, H.Fujioka, K.Hirota, K.Kameda, A.Kimura, M.Kitaguchi, M.Luxnat, K.Sakai, D.C.Schaper, T.Shima, H.M.Shimizu, W.M.Snow, S.Takada, T.Yamamoto, H.Yoshikawa, T.Yoshioka

Angular distribution of γ-rays from a neutron-induced p-wave resonance of ¹³²Xe

NUCLEAR REACTIONS ¹³¹Xe(n, γ), E=epithermal; measured Eγ, Iγ, γ(θ); deduced neutron-energy dependent angular distribution angular distribution of γ-rays including ones from 3.2 eV p-wave resonance. Angular distribution is interpreted to originate from the interference between s- and p-wave amplitudes. 22 Ge detectors for γ-detection at the Accurate Neutron-Nucleus Reaction Measurement Instrument (ANNRI) beamline of the Japan Proton Accelerator Research Complex (J-PARK).

doi: 10.1103/PhysRevC.107.054602
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022EN02      Phys.Rev. C 106, 064601 (2022)

S.Endo, T.Okudaira, R.Abe, H.Fujioka, K.Hirota, A.Kimura, M.Kitaguchi, T.Oku, K.Sakai, T.Shima, H.M.Shimizu, S.Takada, S.Takahashi, T.Yamamoto, H.Yoshikawa, T.Yoshioka

Measurement of the transverse asymmetry of γ rays in the ¹¹⁷Sn(n, γ)¹¹⁸Sn reaction

NUCLEAR REACTIONS ¹¹⁷Sn(polarized n, γ), E=epithermal; measured Eγ, Iγ, γ(θ), E(n), I(n), polarization of neutron beam, neutron TOF spectrum; deduced transverse asymmetry for 1.3-eV resonance, angular dependence of asymmetric γ-ray yields for the orientation of the neutron polarization. Neutron spin filter based on ³He. Lithium glass scintillators for neutron detection and Ge detectors for γ-detection at the Material and Life Science Experiment Facility (MLF) of the Japan Proton Accelerator Research Complex (J-PARK).

doi: 10.1103/PhysRevC.106.064601
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2022KO16      Phys.Rev. C 105, 054615 (2022)

J.Koga, S.Takada, S.Endo, H.Fujioka, K.Hirota, K.Ishizaki, A.Kimura, M.Kitaguchi, Y.Niinomi, T.Okudaira, K.Sakai, T.Shima, H.M.Shimizu, Y.Tani, T.Yamamoto, H.Yoshikawa, T.Yoshioka

Angular distribution of γ-rays from the p-wave resonance of ¹¹⁸Sn

NUCLEAR REACTIONS ¹¹⁷Sn(n, γ), E<10 eV; measured Eγ, Iγ, γ(θ); deduced angular distribution of γ-rays from 1.33 eV p-wave resonance in 118Sn, γ-rays, asymmetry, resonances, angular dependent asymmetric resonance shapes. Array of 22 germanium detectors at the accurate neutron-nucleus reaction and measurement setup (ANNRI) in the Japan Proton Accelerator Research Complex (J-PARC).

doi: 10.1103/PhysRevC.105.054615
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2021OK01      Phys.Rev. C 104, 014601 (2021)

T.Okudaira, S.Endo, H.Fujioka, K.Hirota, K.Ishizaki, A.Kimura, M.Kitaguchi, J.Koga, Y.Niinomi, K.Sakai, T.Shima, H.M.Shimizu, S.Takada, Y.Tani, T.Yamamoto, H.Yoshikawa, T.Yoshioka

Energy-dependent angular distribution of individual γ-rays in the ¹³⁹La(n, γ)^140*La reaction

NUCLEAR REACTIONS ¹³⁹La(n, γ)^140*La, E=0.740 eV resonance; measured Eγ and Iγ of primary γ rays, E(n), I(n), nγ-coin, γ(θ) using Ge detector for γ rays and time-of-flight method for neutrons at the Materials and Life Science Experimental Facility (MLF) at J-PARC. ¹⁴⁰La; deduced levels, J, π; discussed significance of the γ-ray angular distributions.

doi: 10.1103/PhysRevC.104.014601
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2020YA17      Phys.Rev. C 101, 064624 (2020), Erratum Phys.Rev. C 105, 039901 (2022)

T.Yamamoto, T.Okudaira, S.Endo, H.Fujioka, K.Hirota, T.Ino, K.Ishizaki, A.Kimura, M.Kitaguchi, J.Koga, S.Makise, Y.NiInomi, T.Oku, K.Sakai, T.Shima, H.M.Shimizu, S.Takada, Y.Tani, H.Yoshikawa, T.Yoshioka

Transverse asymmetry of γ rays from neutron-induced compound states of ¹⁴⁰La

NUCLEAR REACTIONS ¹³⁹La(polarized n, γ), E=epithermal; measured Eγ, Iγ, γ(θ), E(n), I(n), polarization of neutron beam, neutron TOF spectrum of γ rays and using Ge detectors for γ detection and lithium glass scintillators for neutron detection of the Accurate Neutron-Nucleus Reaction Measurement Instrument (ANNRI) at the Material and Life Science Experiment Facility (MLF) of the Japan Proton Accelerator Research Complex (J-PARK); deduced inclusive and p-wave resonant γ-ray transverse asymmetry. ¹⁴⁰La; deduced s- and p-wave neutron resonances, J, π, Γ_γ, Γ_n, γ-ray yield in the vicinity of the p-wave resonance.

doi: 10.1103/PhysRevC.101.064624
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2018OK01      Phys.Rev. C 97, 034622 (2018); Erratum Phys.Rev. C 109, 029903 (2024)

T.Okudaira, S.Takada, K.Hirota, A.Kimura, M.Kitaguchi, J.Koga, K.Nagamoto, T.Nakao, A.Okada, K.Sakai, H.M.Shimizu, T.Yamamoto, T.Yoshioka

Angular distribution of γ rays from neutron-induced compound states of ¹⁴⁰La

NUCLEAR REACTIONS ¹³⁹La(n, γ), E=0.2-1.4 eV epithermal neutrons; measured Eγ, Iγ, γ(θ, E_n), angular distribution of emitted γ rays in the transition from the p-wave resonance in ¹³⁹La+n to the ¹⁴⁰La g.s. at Japan Proton Accelerator Research Complex (J-PARC); deduced neutron resonance energies, Γ_γ. ¹⁴⁰La; deduced levels, J, π. Discussed T- and P-violating and effects for the 0.74 eV p-wave resonance.

doi: 10.1103/PhysRevC.97.034622
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2003OG03      Phys.Rev. C 67, 064308 (2003)

H.Ogawa, K.Asahi, K.Sakai, T.Suzuki, H.Izumi, H.Miyoshi, M.Nagakura, K.Yogo, A.Goto, T.Suga, T.Honda, H.Ueno, Y.X.Watanabe, K.Yoneda, A.Yoshimi, N.Fukuda, Y.Kobayashi, A.Yoshida, T.Kubo, M.Ishihara, N.Imai, N.Aoi, W.-D.Schmidt-Ott, G.Neyens, S.Teughels

Electric quadrupole moment of ¹⁷B and anomalous E2 effective charges for neutron-rich nuclei

RADIOACTIVITY ¹⁷B(β^-) [from ⁹³Nb(²²Ne, X)]; measured β-NMR spectra from polarized source. ¹⁷B deduced quadrupole moment. Comparison with shell-model predictions.

doi: 10.1103/PhysRevC.67.064308
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2002AS06      Nucl.Phys. A704, 88c (2002)

K.Asahi, K.Sakai, H.Ogawa, H.Miyoshi, K.Yogo, A.Goto, T.Suga, H.Ueno, Y.Kobayashi, A.Yoshimi, A.Yoshida, T.Kubo, Y.X.Watanabe, H.Imai, K.Yoneda, N.Fukuda, N.Aoi, M.Ishihara, W.-D.Schmidt-Ott, G.Neyens, S.Teughels

Electromagnetic Moments of Neutron-Rich Nuclei Measured with Polarized Radioactive Ion Beams

NUCLEAR MOMENTS ¹⁵C, ^17,18N; measured β-NMR spectra of oriented nuclei; deduced μ.

doi: 10.1016/S0375-9474(02)00769-8
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2002HA23      Phys.Lett. 534B, 39 (2002)

T.Haseyama, K.Asahi, J.D.Bowman, P.P.J.Delheij, H.Funahashi, S.Ishimoto, G.Jones, A.Masaike, Y.Masuda, Y.Matsuda, K.Morimoto, S.Muto, S.I.Penttila, V.R.Pomeroy, K.Sakai, E.I.Sharapov, D.A.Smith, V.W.Yuan

Measurement of Parity-Nonconserving Rotation of Neutron Spin in the 0.734-eV p-Wave Resonance of ¹³⁹La

NUCLEAR REACTIONS ¹³⁹La(polarized n, n), E ≈ 0.5-1 eV; measured neutron polarization, spin rotation angle; deduced parity-nonconserving effect. Comparison with previous results, model predictions.

doi: 10.1016/S0370-2693(02)01720-3
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2002OG02      Eur.Phys.J. A 13, 81 (2002)

H.Ogawa, K.Asahi, H.Ueno, K.Sakai, H.Miyoshi, D.Kameda, T.Suzuki, H.Izumi, N.Imai, Y.X.Watanabe, K.Yoneda, N.Fukuda, H.Watanabe, A.Yoshimi, W.Sato, N.Aoi, M.Nagakura, T.Suga, K.Yogo, A.Goto, T.Honda, Y.Kobayashi, W.-D.Schmidt-Ott, G.Neyens, S.Teughels, A.Yoshida, T.Kubo, M.Ishihara

Quenching of Neutron E2 Effective Charge in Neutron-Rich Nuclei and the Ground-State Spin-Parity of ¹⁷C

RADIOACTIVITY ¹⁷B, ¹⁷C(β^-) [from ⁹³Nb(²²Ne, X)]; measured β-NMR spectra from polarized nuclei. ¹⁷B deduced quadrupole moment. ¹⁷C deduced g-factor, ground-state J, π. Quenching of core polarization discussed.

doi: 10.1007/s10050-002-8723-3
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2002OG14      Prog.Theor.Phys.(Kyoto), Suppl. 146, 607 (2002)

H.Ogawa, K.Asahi, H.Ueno, H.Miyoshi, D.Kameda, N.Imai, K.Yoneda, H.Watanabe, T.Suga, K.Ohno, A.Yoshimi, W.Sato, K.Sakai, K.Yogo, Y.Kobayashi, A.Yoshida, T.Kubo, M.Ishihara

Assignment of the Ground-State Spin-Parity for ¹⁷C through g-Factor Measurement

RADIOACTIVITY ¹⁷C(β^-) [from ⁹³Nb(²²Ne, X)]; measured β-NMR spectra from polarized nuclei. ¹⁷C deduced g-factor, ground-state J, π.

doi: 10.1143/PTPS.146.607
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2001AS07      Hyperfine Interactions 136/137, 183 (2001)

K.Asahi, H.Ogawa, H.Ueno, Y.Kobayashi, W.Sato, A.Yoshimi, H.Watanabe, D.Kameda, H.Miyoshi, K.Sakai, N.Imai, K.Yoneda, Y.X.Watanabe, N.Fukuda, N.Aoi, A.Yoshida, T.Kubo, M.Ishihara

Nuclear Moment Studies with Polarized Radioactive Nuclear Beams

RADIOACTIVITY ¹⁷C(β^-) [from ⁹³Nb(²²Ne, X)]; measured β-NMR spectrum from oriented source. ¹⁷C deduced ground-state g factor.

doi: 10.1023/A:1020536116462
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1999OG03      Phys.Lett. 451B, 11 (1999)

H.Ogawa, K.Asahi, K.Sakai, A.Yoshimi, M.Tsuda, Y.Uchiyama, T.Suzuki, K.Suzuki, N.Kurokawa, M.Adachi, H.Izumi, H.Ueno, T.Shimoda, S.Tanimoto, N.Takahashi, W.-D.Schmidt-Ott, M.Schafer, S.Fukuda, A.Yoshida, M.Notani, T.Kubo, H.Okuno, H.Sato, N.Aoi, K.Yoneda, H.Iwasaki, N.Fukuda, N.Fukunishi, M.Ishihara, H.Miyatake

Magnetic Moment and Electric Quadrupole Moment of the ¹⁸N Ground State

RADIOACTIVITY ¹⁸N(β^-) [from ²²Ne fragmentation]; measured β-NMR. ¹⁸Ne deduced μ, quadrupole moment.

NUCLEAR REACTIONS ¹²C(²²Ne, X)¹⁸N, E=110 MeV/nucleon; measured fragment polarization.

doi: 10.1016/S0370-2693(99)00219-1
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1998AO04      Nucl.Phys. A644, 365 (1998)

S.Aoki, S.Asai, S.Y.Bahk, S.H.Chung, H.Funahashi, C.H.Hahn, M.Hanabata, T.Hara, K.Hoshino, M.Ieiri, M.Iida, T.Iijima, K.Imai, Y.Itow, T.Jin-ya, M.Kazuno, C.O.Kim, D.C.Kim, J.Y.Kim, K.Kodama, T.Kuze, Y.Maeda, A.Masaike, Y.Matsuda, A.Matsui, K.Murakami, C.Nagoshi, M.Nakamura, S.Nakanishi, T.Nakano, K.Nakazawa, K.Niwa, S.Ogawa, H.Okabe, S.Ono, R.Ozaki, I.G.Park, M.S.Park, K.Sakai, T.Sasaki, Y.Sato, H.Shibuya, H.M.Shimizu, Y.B.Sim, J.S.Song, M.Sugimoto, H.Tajima, R.Takashima, F.Takeutchi, K.H.Tanaka, R.Tanaka, M.Teranaka, I.Tezuka, H.Togawa, N.Ushida, N.Yasuda, J.Yokota, C.J.Yoon, C.S.Yoon

Quasifree p(K^-, K⁺) Ξ^- Reaction in Nuclear Emulsion

NUCLEAR REACTIONS I, Ag, Br, S, O, N, C, H(K^-, K⁺), E at 1.66 GeV/c; measured kaons momentum, missing mass, angular distributions; deduced Ξ^- mean free path. Emulsion target.

doi: 10.1016/S0375-9474(98)00596-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1717.

1998OG04      J.Phys.(London) G24, 1399 (1998)

H.Ogawa, K.Asahi, K.Sakai, A.Yoshimi, M.Tsuda, Y.Uchiyama, T.Suzuki, K.Suzuki, N.Kurokawa, M.Adachi, H.Izumi, H.Ueno, T.Shimoda, S.Tanimoto, N.Takahashi, W.-D.Schmidt-Ott, M.Schafer, S.Fukuda, A.Yoshida, M.Notani, T.Kubo, H.Okuno, H.Sato, N.Aoi, K.Yoneda, H.Iwasaki, N.Fukuda, N.Fukunishi, M.Ishihara

Static Moments of the ¹⁸N Ground State

RADIOACTIVITY ¹⁸N(β^-) [from ²²Ne primary beam fragmentation]; measured Iβ(H, t). ¹⁸N deduced ground-state Q, μ. β-NMR technique.

1997SA05      Phys.Lett. 391B, 11 (1997)

K.Sakai, Y.Masuda, T.Adachi, K.Asahi, M.Doi, M.Harada, S.Ishimoto, M.Iinuma, J.Kura, A.Masaike, Y.Matsuda, K.Morimoto, S.Muto, K.Okumura, H.Sato, H.M.Shimizu, A.Yoshimi, Z.J.Zheng

Observation of Parity-Violating Neutron Spin Rotation in the n-¹³⁹La p-Wave Resonance

NUCLEAR REACTIONS ¹³⁹La(polarized n, n), E=0.5-1 eV; measured parity-violating spin rotation angle near p-wave resonance; deduced parity mixing matrix element.

doi: 10.1016/S0370-2693(96)01447-5
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1994AD10      Nucl.Phys. A577, 433c (1994)

T.Adachi, K.Asahi, M.Doi, M.Harada, M.Iinuma, S.Ishimoto, T.Maekawa, A.Masaike, Y.Masuda, Y.Matsuda, K.Morimoto, K.Okumura, K.Sakai, H.Sato, H.M.Shimizu, Y.Takahashi, R.Takizawa, T.Yabuzaki, Z.J.Zheng

Test of Parity Violation and Time Reversal Invariance in Slow Neutron Absorption Reactions

NUCLEAR REACTIONS ¹³⁹La, ¹¹¹Cd, ⁸¹Br(polarized n, γ), E=slow; compiled, reviewed data; deduced weak interaction matrix element.

doi: 10.1016/0375-9474(94)90893-1
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1994MA53      Hyperfine Interactions 84, 337 (1994)

Y.Masuda, T.Adachi, K.Asahi, M.Doi, M.Iinuma, S.Ishimoto, A.Masaike, Y.Matsuda, K.Morimoto, Y.Mori, K.Sakai, H.Sato, H.M.Shimizu, Z.Z.Jian

Neutron Polarization for P- and T-Violation Experiments

NUCLEAR REACTIONS ¹³⁹La(polarized n, γ), E=0.4-1.1 eV; compiled, reviewed capture γ-yield, asymmetry data. ⁸¹Br, ¹¹¹Cd, ⁹³Nb, ¹⁰⁸Pd, ¹²⁴Sn(polarized n, γ), E ≈ resonance; compiled, reviewed longitudinal asymmetry data.

doi: 10.1007/BF02060681
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1994SA56      Hyperfine Interactions 84, 205 (1994)

H.Sato, Y.Masuda, K.Sakai, M.Doi, K.Asahi, Z.J.Zheng, Y.Mori, P.P.J.Delheij, Y.Matsuda, M.Iinuma, H.M.Shimizu, A.Masaike

Polarized ³He System for T- and P-Violation Neutron Experiments

NUCLEAR REACTIONS ³He(polarized n, X), E not given; measured target polarization from neutron transmission. Target polarized by optical pumping.

doi: 10.1007/BF02060665
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1989OH04      Phys.Lett. 230B, 27 (1989)

C.Ohmori, N.Horikawa, Y.Ishida, T.Iwata, T.Kinashi, I.Maeda, T.Matsuda, T.Nakanishi, S.Okumi, K.Sakai, Y.Takeda, T.Toyama, M.Yasuno, Y.Kobayashi, T.Nakagawa, S.Hiramatsu, S.Ishimoto, Y.Mori, H.Sato, T.Tsuru, T.Hasegawa, K.Mori, K.Iwatani, H.Hasai, F.Nishiyama, A.Ueno, J.A.Holt

Measurement of Analyzing Power at Forward Angle for Elastic pd Scattering at 3.5 GeV

NUCLEAR REACTIONS ²H(polarized p, p), E=3.5 GeV; measured analyzing power. Glauber theory analysis.

doi: 10.1016/0370-2693(89)91647-X
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1971KA49      Progr.Theor.Phys. 46, 1071 (1971)

H.Kanada, K.Sakai, M.Yasuno

Elastic Scattering between Composite Nuclei at High Energy

NUCLEAR REACTIONS ²H(d, d), E not given; calculated σ(θ). Glauber multiple scattering formalism.

doi: 10.1143/PTP.46.1071
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1968SA08      Nucl.Phys. A118, 361 (1968)

K.Sakai, P.J.Daly

The Decay of a New 18.7 h Isomer of ²⁰⁰Au

RADIOACTIVITY ²⁰⁰Au[from ¹⁹⁸Pt(α, pn), ²⁰²Hg(d, α)]; measured T_1/2, Eγ, Iγ. ²⁰⁰Au, ²⁰⁰Hg deduced levels. Enriched targets, Ge(Li) detector.

doi: 10.1016/0375-9474(68)90342-4
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