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NSR database version of April 26, 2024.

Search: Author = J.Koga

Found 7 matches.

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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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2020TA17      Nucl.Instrum.Methods Phys.Res. A983, 164582 (2020)

H.Takeshita, Y.Watanabe, K.Nakano, S.Manabe, K.Aoki, N.Araki, K.Yoshinami, T.Kin, N.Shigyo, J.Koga, S.Makise, T.Yoshioka, M.Tanaka, T.Teranishi

Thick target neutron yields from LiF, C, Si, Ni, Mo, and Ta bombarded by 6.7 MeV/u deuterons

NUCLEAR REACTIONS Li, ¹⁹F, C, Si, Ni, Mo, Ta(d, n), E=6.7 MeV; measured reaction products, En, In; deduced double-differential thick target neutron yields.

doi: 10.1016/j.nima.2020.164582
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2681.

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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2019KI07      Prog.Theor.Exp.Phys. 2019, 093C01 (2019)

R.Kitahara, K.Hirota, S.Ieki, T.Ino, Y.Iwashita, M.Kitaguchi, J.Koga, K.Mishima, A.Morishita, N.Nagakura, H.Oide, H.Otono, Y.Seki, D.Sekiba, T.Shima, H.M.Shimizu, N.Sumi, H.Sumino, K.Taketani, T.Tomita, T.Yamada, S.Yamashita, M.Yokohashi, T.Yoshioka

Improved accuracy in the determination of the thermal cross section of ¹⁴N(n, p)¹⁴C for neutron lifetime measurement

NUCLEAR REACTIONS ¹⁴N(n, p), ¹⁷O(n, α), E thermal; measured reaction products; deduced σ. Comparison with available data.

doi: 10.1093/ptep/ptz096
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23600.

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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2000TA33      J.Phys.Soc.Jpn. 69, 3840 (2000)

T.Tajima, K.Soyama, J.Koga, H.Takuma

Laser Interaction with Neutrons

doi: 10.1143/JPSJ.69.3840
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