NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = T.Iwakoshi Found 16 matches. 2011MI18 Phys.Rev. C 84, 055501 (2011) K.Minamisono, T.Nagatomo, K.Matsuta, C.D.P.Levy, Y.Tagishi, M.Ogura, M.Yamaguchi, H.Ota, J.A.Behr, K.P.Jackson, A.Ozawa, M.Fukuda, T.Sumikama, H.Fujiwara, T.Iwakoshi, R.Matsumiya, M.Mihara, A.Chiba, Y.Hashizume, T.Yasuno, T.Minamisono Low-energy test of second-class current in β decays of spin-aligned 20F and 20Na RADIOACTIVITY 20F(β-)[from 19F(polarized 2H, p), E=6 MeV]; 20Na(β+)[from Si(p, X), E=500 MeV]; measured Eβ, β(θ), βγ(θ) from nuclear spin-polarized nuclei using β-NMR technique; deduced alignment correlation terms, G-parity-violating, second-class current (SCC) induced tensor term, weak-magnetism term in the framework of the conserved vector current hypothesis. Experiments at UTTAC and TRIUMF facilities.
doi: 10.1103/PhysRevC.84.055501
2011SU16 Phys.Rev. C 83, 065501 (2011) T.Sumikama, K.Matsuta, T.Nagatomo, M.Ogura, T.Iwakoshi, Y.Nakashima, H.Fujiwara, M.Fukuda, M.Mihara, K.Minamisono, T.Yamaguchi, T.Minamisono Test of the conserved vector current hypothesis by a β-ray angular distribution measurement in the mass-8 system RADIOACTIVITY 8Li(β-), (β-α)[from 7Li(d, p), E=3.5 MeV]; 8B (β+), (β+α)[from 6Li(3He, n), E=4.7 MeV]; measured Eβ, Iβ, β(θ) from spin polarized 8Li and 8B; deduced alignment and βα angular correlation terms and contributing matrix elements, weak magnetism term. β-NMR technique. Comparison with conserved vector current (CVC) predictions.
doi: 10.1103/PhysRevC.83.065501
2006SU13 Phys.Rev. C 74, 024327 (2006) T.Sumikama, T.Nagatomo, M.Ogura, T.Iwakoshi, Y.Nakashima, H.Fujiwara, K.Matsuta, T.Minamisono, M.Fukuda, M.Mihara Electric quadrupole moment of the proton halo nucleus 8B RADIOACTIVITY 8B(β+), (EC) [from 6Li(3He, n)]; measured β-NQR spectrum from oriented source. 8B deduced electric quadrupole moment. NUCLEAR MOMENTS 8B; measured β-NQR spectrum from oriented source; deduced electric quadrupole moment.
doi: 10.1103/PhysRevC.74.024327
2005SU25 Eur.Phys.J. A 25, Supplement 1, 709 (2005) T.Sumikama, T.Iwakoshi, T.Nagatomo, M.Ogura, Y.Nakashima, H.Fujiwara, K.Matsuta, T.Minamisono, M.Mihara, M.Fukuda, K.Minamisono, T.Yamaguchi Alignment correlation term in mass A = 8 system and G-parity irregular term RADIOACTIVITY 8B(ECα) [from 6Li(3He, n)]; 8Li(β-α) [from 7Li(d, p)]; measured β-NMR spectra; angular correlations; deduced limit on G-parity term.
doi: 10.1140/epjad/i2005-06-075-3
2004MA98 Nucl.Phys. A746, 493c (2004) K.Matsuta, K.Arimura, T.Nagatomo, K.Akutsu, T.Iwakoshi, S.Kudo, M.Ogura, M.Takechi, K.Tanaka, T.Sumikama, K.Minamisono, T.Miyake, T.Minamisono, M.Fukuda, M.Mihara, A.Kitagawa, M.Sasaki, M.Kanazawa, M.Torikoshi, M.Suda, M.Hirai, S.Momota, Y.Nojiri, A.Sakamoto, M.Saihara, T.Ohtsubo, J.R.Alonso, G.F.Krebs, T.J.M.Symons Magnetic moment of 33Cl RADIOACTIVITY 33Cl(EC), (β+) [from 32S(d, n)]; measured Iβ(θ, H, t) from polarized source, β-NMR spectrum. 33Cl deduced μ.
doi: 10.1016/j.nuclphysa.2004.09.075
2004NA37 Nucl.Phys. A746, 505c (2004) T.Nagatomo, K.Matsuta, K.Akutsu, T.Iwakoshi, Y.Nakashima, T.Sumikama, M.Ogura, M.Mihara, H.Fujiwara, S.Kumashiro, K.Minamisono, T.Minamisono, M.Fukuda, M.Miyake, S.Momota, Y.Nojiri, A.Kitagawa, M.Sasaki, M.Torikoshi, M.Kanazawa, M.Suda, S.Sato, M.Hirai, T.J.M.Symons, G.F.Krebs, J.R.Alonso, S.Y.Zhu, J.Z.Zhu, Y.J.Xu, Y.N.Zheng Nuclear spin orientation of 12, 13B created in heavy ion collisions NUCLEAR REACTIONS Be(13C, X)12B, E=100 MeV/nucleon; Be(15N, X)13B, E=100 MeV/nucleon; measured fragment polarization, alignment vs momentum. Comparison with model predictions.
doi: 10.1016/j.nuclphysa.2004.09.078
2004NA38 Nucl.Phys. A746, 509c (2004) T.Nagatomo, K.Matsuta, K.Akutsu, T.Iwakoshi, Y.Nakashima, T.Sumikama, M.Ogura, M.Mihara, H.Fujiwara, S.Kumashiro, K.Minamisono, T.Minamisono, M.Fukuda, M.Miyake, S.Momota, Y.Nojiri, A.Kitagawa, M.Sasaki, M.Torikoshi, M.Kanazawa, M.Suda, S.Sato, M.Hirai, T.J.M.Symons, G.F.Krebs, J.R.Alonso, S.Y.Zhu, J.Z.Zhu, Y.J.Xu, Y.N.Zheng Precise nuclear moments of 13B and the β-ray angular distribution RADIOACTIVITY 13B(β-) [from 9Be(15N, X)]; measured Iβ(θ, H, t), β-NMR and β-NQR spectra from polarized source. 13B deduced quadrupole moment, μ.
doi: 10.1016/j.nuclphysa.2004.09.079
2004NA46 Hyperfine Interactions 159, 269 (2004) T.Nagatomo, T.Sumikama, M.Ogura, K.Matsuta, Y.Nakashima, K.Akutsu, T.Iwakoshi, H.Fujiwara, T.Minamisono, M.Fukuda, M.Mihara, K.Minamisono, T.Miyake, S.Momota, Y.Nojiri, A.Kitagawa, M.Sasaki, M.Torikoshi, M.Kanazawa, M.Suda, M.Hirai, S.Sato, S.Y.Zhu, J.Z.Zhu, Y.J.Xu, Y.N.Zheng, J.R.Alonso, G.F.Krebs, T.M.Symons Precise Nuclear Quadrupole Moments of 8B and 13B NUCLEAR REACTIONS 6Li(3He, n)8B, E=4.7 MeV; Be(15N, X)13B, E=100 MeV/nucleon; measured reaction products, Ie, Ee; deduced momentum deviation. NUCLEAR MOMENTS 8,13B; measured Ie, Ee; deduced β-ray asymmetry, 8,13B ground state quadrupole moment Q and ratios for 8B/12B and 13B/12B. Comparison with OXBASH shell model calculations.
doi: 10.1007/s10751-005-9109-0
2004NA47 Hyperfine Interactions 159, 273 (2004) T.Nagatomo, K.Matsuta, Y.Nakashima, T.Sumikama, M.Ogura, K.Akutsu, T.Iwakoshi, H.Fujiwara, T.Minamisono, M.Fukuda, M.Mihara, T.Miyake, K.Minamisono, S.Momota, Y.Nojiri, A.Kitagawa, M.Sasaki, M.Torikoshi, M.Kanazawa, M.Suda, M.Hirai, S.Sato, S.Y.Zhu, J.Z.Zhu, Y.J.Xu, Y.N.Zheng, J.R.Alonso, G.F.Krebs, T.M.Symons Nuclear Spin Orientation Created in Heavy Ion Collisions and the Sign of the Q Moment of 13B NUCLEAR REACTIONS Be(15N, X)13B, E=100 MeV/nucleon; measured reaction products, Ie, Ee; deduced β-ray asymmetry. NUCLEAR MOMENTS 13B; measured Ie, Ee, polarization; deduced quadrupole moment Q sign of 13B ground state. β-NMR technique.
doi: 10.1007/s10751-005-9110-7
2004SU29 Nucl.Phys. A746, 681c (2004) T.Sumikama, T.Iwakoshi, T.Nagatomo, M.Ogura, Y.Nakashima, H.Fujiwara, K.Matsuta, T.Minamisono, M.Mihara, M.Fukuda, K.Minamisono, T.Yamaguchi Beta-ray angular distributions of spin aligned 8Li and 8B RADIOACTIVITY 8Li, 8B(βα) [from 6Li(3He, n) and 7Li(d, p)]; measured Eβ, βα-coin, angular correlations following decay of polarized source; deduced alignment correlation terms.
doi: 10.1016/j.nuclphysa.2004.09.050
2003MI24 Nucl.Phys. A721, 477c (2003) K.Minamisono, K.Matsuta, T.Minamisono, T.Yamaguchi, T.Sumikama, T.Nagatomo, M.Ogura, T.Iwakoshi, M.Mihara, M.Fukuda, K.Koshigiri, M.Morita G-Parity Irregular Current in the β Decays of the Mass A = 12 System - with the Refined Empirical Value of the Weak Magnetism - RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(β+) [from 10B(3He, n)]; measured Eβ, angular distributions from spin-aligned sources; deduced G-parity irregular induced tensor coefficient.
doi: 10.1016/S0375-9474(03)01103-5
2002MI01 Phys.Rev. C65, 015209 (2002) K.Minamisono, K.Matsuta, T.Minamisono, T.Yamaguchi, T.Sumikama, T.Nagatomo, M.Ogura, T.Iwakoshi, M.Fukuda, M.Mihara, K.Koshigiri In-Medium Nucleon Mass Renormalization Detected in β Decays of Spin Aligned 12B and 12N RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(β+) [from 10B(3He, n)]; measured Eβ, angular distributions from spin-aligned sources; deduced axial charge, in-medium mass renormalization.
doi: 10.1103/PhysRevC.65.015209
2002MI03 Phys.Rev. C65, 015501 (2002) K.Minamisono, K.Matsuta, T.Minamisono, T.Yamaguchi, T.Sumikama, T.Nagatomo, M.Ogura, T.Iwakoshi, M.Fukuda, M.Mihara, K.Koshigiri, M.Morita New Limit of the G-Parity Irregular Weak Nucleon Current Detected in β Decays of Spin Aligned 12B and 12N RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(β+) [from 10B(3He, n)]; measured Eβ, angular distributions from spin-aligned sources; deduced tensor form factor, constraints on Kubodera-Delorme-Rho parameters.
doi: 10.1103/PhysRevC.65.015501
2002MI36 Z.Naturforsch. 57a, 557 (2002) K.Minamisono, K.Matsuta, T.Minamisono, T.Yamaguchi, T.Sumikama, T.Nagatomo, M.Ogura, T.Iwakoshi, M.Mihara, M.Fukuda, K.Koshigiri, M.Morita Spin Manipulation by Use of Nuclear Quadrupole Interactions - Quarks and Medium Effects in the Nucleus RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(EC) [from 10B(3He, n)]; measured Eβ, Iβ(θ, H, t) from oriented nuclei; deduced alignment correlation terms, axial charge, in-medium nucleon mass renormalization.
2002OG08 Z.Naturforsch. 57a, 599 (2002) M.Ogura, K.Minamisono, T.Sumikama, T.Nagatomo, T.Iwakoshi, T.Miyake, S.Kudo, K.Akutsu, K.Sato, M.Mihara, M.Fukuda, K.Matsuta, H.Akai, T.Minamisono Development of a Nuclear Spin Dewar: Hyperfine Interactions of the Short-Lived β Emitter 12B in TiO2 NUCLEAR MOMENTS 12B(β-); measured β-NMR spectra, asymmetry vs temperature for source implanted in TiO2; deduced polarization.
2001OG12 Hyperfine Interactions 136/137, 195 (2001) M.Ogura, K.Minamisono, T.Sumikama, T.Nagatomo, T.Iwakoshi, T.Miyake, K.Hashimoto, S.Kudo, K.Arimura, M.Ota, K.Akutsu, K.Sato, M.Mihara, M.Fukuda, K.Matsuta, H.Akai, T.Minamisono A Possible Nuclear Spin Dewar. Hyperfine Interactions of Short-Lived β Emitter 8Li and 12B in TiO2 RADIOACTIVITY 8Li, 12B(β-) [from 7Li, 11B(dp)]; measured β-NMR spectra from oriented sources.
doi: 10.1023/A:1020528231425
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