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NSR database version of April 26, 2024.

Search: Author = T.Niwa

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2022FU03      J.Phys.Soc.Jpn. 91, 064301 (2022)

T.Fukuchi, T.Niwa, T.Hosoya, Y.Watanabe

Computational Study for Amino Acid Production from Carboxylic Acid via ¹⁴C β-decay

RADIOACTIVITY ¹⁴C(β^-); calculated the probability of amino acid production via β-decay from radiocarbon with a numerical simulation code that uses a Monte Carlo method.

doi: 10.7566/JPSJ.91.064301
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2016KU11      Phys.Rev. C 93, 054313 (2016)

A.Kusoglu, G.Georgiev, C.Sotty, D.L.Balabanski, A.Goasduff, Y.Ishii, Y.Abe, K.Asahi, M.Bostan, R.Chevrier, M.Chikamori, J.M.Daugas, T.Furukawa, H.Nishibata, Y.Ichikawa, Y.Ishibashi, R.Lozeva, H.Miyatake, D.Nagae, T.Nanao, M.Niikura, T.Niwa, S.Okada, A.Ozawa, Y.Saito, H.Shirai, H.Ueno, D.T.Yordanov, N.Yoshida

Magnetic moment of the 13/2⁺ isomeric state in ⁶⁹Cu: Spin alignment in the one-nucleon removal reaction

NUCLEAR MOMENTS ⁶⁹Cu; measured Eγ, Iγ, γγ-, (particle)γ-coin, γ-ray yields, γ(θ), Larmor precession under external magnetic field, time-dependent perturbed angular distribution (TDPAD) method; deduced isomer half-life, magnetic moment, multipolarity, spin alignment in one-nucleon removal reaction at RIKEN facility. ⁶⁹Cu beam from ⁹Be(⁷⁰Zn, X), E=63.13 MeV/nucleon reaction using RIPS separator at RIKEN.

NUCLEAR REACTIONS ⁹Be(⁷⁰Zn, X)⁶⁹Cu, E=63.13 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(θ), isomer half-life by γ(t) using RIPS separator at RIKEN. ⁶⁹Cu; deduced levels, multipolarity, g factor of a level in ⁶⁹Cu, configurations. Comparison with shell-model calculations using JUN45 and jj4b interactions.

doi: 10.1103/PhysRevC.93.054313
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Data from this article have been entered in the XUNDL database. For more information, click here.

2014MC08      Nucl.Data Sheets 120, 88 (2014)

E.Mcneice, K.Setoodehnia, B.Singh, Y.Abe, D.N.Binh, A.A.Chen, J.Chen, S.Cherubini, S.Fukuoka, T.Hashimoto, T.Hayakawa, Y.Ishibashi, Y.Ito, D.Kahl, T.Komatsubara, S.Kubono, T.Moriguchi, D.Nagae, R.Nishikiori, T.Niwa, A.Ozawa, T.Shizuma, H.Suzuki, H.Yamaguchi, T.Yuasa

In-beam γ-ray Spectroscopy of ³⁰P via the ²⁸Si(³He, pγ)³⁰P Reaction

NUCLEAR REACTIONS ²⁸Si(³He, p), E=9 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level structure, J, π, resonance states, γ-γ directional correlation of oriented nuclei. Comparison with available data.

doi: 10.1016/j.nds.2014.07.014
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Data from this article have been entered in the XUNDL database. For more information, click here.

2014TA32      Phys.Rev. C 90, 061305 (2014)

M.Takechi, S.Suzuki, D.Nishimura, M.Fukuda, T.Ohtsubo, M.Nagashima, T.Suzuki, T.Yamaguchi, A.Ozawa, T.Moriguchi, H.Ohishi, T.Sumikama, H.Geissel, N.Aoi, R.-J.Chen, D.-Q.Fang, N.Fukuda, S.Fukuoka, H.Furuki, N.Inabe, Y.Ishibashi, T.Itoh, T.Izumikawa, D.Kameda, T.Kubo, M.Lantz, C.S.Lee, Y.-G.Ma, K.Matsuta, M.Mihara, S.Momota, D.Nagae, R.Nishikiori, T.Niwa, T.Ohnishi, K.Okumura, M.Ohtake, T.Ogura, H.Sakurai, K.Sato, Y.Shimbara, H.Suzuki, H.Takeda, S.Takeuchi, K.Tanaka, M.Tanaka, H.Uenishi, M.Winkler, Y.Yanagisawa, S.Watanabe, K.Minomo, S.Tagami, M.Shimada, M.Kimura, T.Matsumoto, Y.R.Shimizu, M.Yahiro

Evidence of halo structure in ³⁷Mg observed via reaction cross sections and intruder orbitals beyond the island of inversion

NUCLEAR REACTIONS ¹²C(²⁴Mg, X), (²⁵Mg, X), (²⁶Mg, X), (²⁷Mg, X), (²⁸Mg, X), (²⁹Mg, X), (³⁰Mg, X), (³¹Mg, X), (³²Mg, X), (³³Mg, X), (³⁴Mg, X), (³⁵Mg, X), (³⁶Mg, X), (³⁷Mg, X), (³⁸Mg, X), E=240 MeV/nucleon, [secondary Mg beams from ⁹Be(⁴⁸Ca, X), E=345 MeV/nucleon primary reaction]; measured spectra and TOF of outgoing particles, precise reaction σ using BigRIPS spectrometer at RIBF-RIKEN facility. Comparison with theoretical deformation parameter β₂ versus mass plot using double-folding model (DFM) calculation combined with antisymmetrized molecular dynamics (AMD) calculation. ³⁷Mg; deduced deformed halo effect from observed enhanced cross section, comparison with DFM calculation based on the deformed Woods-Saxon (DWS) model; collapse of N=28 magic shell for neutrons.

doi: 10.1103/PhysRevC.90.061305
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2471.

2013IS07      Hyperfine Interactions 220, 71 (2013)

Y.Ishibashi, D.Nagae, Y.Abe, T.Nagatomo, A.Ozawa, H.Suzuki, S.Fukuoka, R.Nishikiori, T.Niwa, K.Matsuta, Y.Tagishi

Production of nuclear polarization of unstable nuclei via polarization transfer reactions

NUCLEAR REACTIONS ¹⁹F(polarized d, p)²⁰F, E=7 MeV; ²⁴Mg(polarized p, n)²⁴Al, E=20 MeV; ²⁹Si(polarized p, n)²⁹P, E=12 MeV; ²⁸Si(polarized d, n)²⁹P, E=4 MeV; ⁴⁰Ca(polarized d, n)⁴¹Sc, E=7 MeV; measured reaction products; deduced yields, polarization. Comparison with available data.

doi: 10.1007/s10751-012-0750-0
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2013MI10      Hyperfine Interactions 220, 83 (2013)

M.Mihara, K.Matsuta, D.Nishimura, M.Fukuda, M.Yaguchi, K.Iwamoto, M.Wakabayashi, Y.Kamisho, J.Ohno, Y.Morita, T.Izumikawa, T.Ohtsubo, S.Suzuki, M.Nagashima, K.Abe, T.Sakai, S.Momota, A.Ozawa, D.Nagae, Y.Ishibashi, Y.Abe, T.Niwa, T.Nagatomo, T.Minamisono, M.K.Kubo, A.Kitagawa, M.Torikoshi, M.Kanazawa, S.Sato

Production of spin polarized ¹²N through heavy ion reactions

NUCLEAR REACTIONS Be(¹⁴N, X)¹²N, E=70, 100 MeV/nucleon; ¹H(¹²C, n)¹²N, E=70 MeV/nucleon; measured reaction products; deduced spin polarization and production yields. Comparison with available data.

doi: 10.1007/s10751-013-0869-7
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2013NA13      Hyperfine Interactions 220, 65 (2013)

D.Nagae, T.Niwa, Y.Ishibashi, Y.Abe, S.Fukuoka, R.Nishikiori, S.Okada, Y.Saito, N.Inaba, A.Ozawa, Y.Aoki

Development of rotating magnetic field system for the β-NMR method

doi: 10.1007/s10751-012-0721-5
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2013SE08      Phys.Rev. C 87, 065801 (2013)

K.Setoodehnia, A.A.Chen, D.Kahl, T.Komatsubara, J.Jose, R.Longland, Y.Abe, D.N.Binh, J.Chen, S.Cherubini, J.A.Clark, C.M.Deibel, S.Fukuoka, T.Hashimoto, T.Hayakawa, J.Hendriks, Y.Ishibashi, Y.Ito, S.Kubono, W.N.Lennard, T.Moriguchi, D.Nagae, R.Nishikiori, T.Niwa, A.Ozawa, P.D.Parker, D.Seiler, T.Shizuma, H.Suzuki, C.Wrede, H.Yamaguchi, T.Yuasa

Nuclear structure of ³⁰S and its implications for nucleosynthesis in classical novae

NUCLEAR REACTIONS ³²S(p, t), E=34.5 MeV; measured triton spectra, σ(θ) using Enge split-pole magnetic spectrograph at WNSL, Yale facility. ²⁸Si(³He, n), E=9 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ)(DCO) at UTTAC facility. ³⁰S; deduced levels, resonances, J, π, multipolarity, σ/J, mixing ratio, branching ratios, proton and gamma widths, resonance strengths. DWBA and coupled reaction channel analyses of σ(θ) data in (p, t). ²⁹P(p, γ)³⁰S, at T=0.01-1.5 GK; deduced astrophysical reaction rates, nova isotopic abundances of Si to Ca mass region isotopes using 1D hydrodynamic model.

doi: 10.1103/PhysRevC.87.065801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2040. Data from this article have been entered in the XUNDL database. For more information, click here.

1992TA03      Nucl.Phys. A536, 597 (1992)

K.Tamura, T.Niwa, T.Sato, H.Ohtsubo

Relativistic Effects on Electron Scattering of the Deuteron

NUCLEAR REACTIONS ²H(polarized e, e), E not given; calculated deuteron tensor polarization. ²H(e, e'p), E not given; calculated electrodisintegration σ(E(e'), θ). Relativistic effects.

doi: 10.1016/0375-9474(92)90115-Z
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