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NSR database version of April 29, 2024.

Search: Author = T.Okudaira

Found 7 matches.

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2023EN02      Eur.Phys.J. A 59, 288 (2023)

Sh.Endo, Sh.Kawamura, T.Okudaira, H.Yoshikawa, G.Rovira, A.Kimura, Sh.Nakamura, O.Iwamoto, N.Iwamoto

Measurements of neutron total and capture cross sections of ¹³⁹La and evaluation of resonance parameters

NUCLEAR REACTIONS ¹³⁹La(n, X), (n, γ), E=0.5-1500 eV; measured reaction products, En, In, Eγ, Iγ, TOF; deduced yields, σ, resonance parameters. Comparison with JENDL-5, ENDF/B-VIII.0 and EXFOR libraries. The Accurate Ne-utron-Nucleus Reaction measurement Instrument (ANNRI) of the Materials and Life Science Experimental Facility (MLF) in the Japan Proton Accelerator Research Complex (J-PARC).

doi: 10.1140/epja/s10050-023-01203-4
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Data from this article have been entered in the XUNDL database. For more information, click here.

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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Data from this article have been entered in the XUNDL database. For more information, click here.

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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