NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = M.Morita Found 41 matches. 2007SU23 Phys.Lett. B 657, 32 (2007) M.Sumihama, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsumura, N.Matsuoka, T.Mibe, M.Miyabe, Y.Miyachi, M.Morita, N.Muramatsu, T.Nakano, M.Niiyama, M.Nomachi, Y.Ohashi, H.Ohkuma, T.Ooba, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, T.Sato, P.M.Shagin, Y.Shiino, H.Shimizu, Y.Sugaya, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yosoi, R.G.T.Zegers Backward-angle photoproduction of π0 mesons on the proton at Eγ = 1.5-2.4 GeV NUCLEAR REACTIONS 1H(polarized γ, π0), E=1.5-2.4 GeV; measured missing mass spectra, σ(E, θ), beam asymmetry.
doi: 10.1016/j.physletb.2007.10.032
2005IS02 Phys.Lett. B 608, 215 (2005) T.Ishikawa, D.S.Ahn, J.K.Ahn, H.Akimune, W.C.Chang, S.Date, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, H.Kawai, K.Kino, H.Kohri, T.Matsumura, T.Mibe, K.Miwa, M.Miyabe, M.Morita, T.Murakami, N.Muramatsu, H.Nakamura, M.Nakamura, T.Nakano, M.Niiyama, M.Nomachi, Y.Ohashi, T.Ooba, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, Y.Shiino, Y.Sakemi, H.Shimizu, Y.Sugaya, M.Sumihama, Y.Toi, H.Toyokawa, C.W.Wang, T.Yorita, M.Yosoi, R.G.T.Zegers φ photo-production from Li, C, Al, and Cu nuclei at Eγ = 1.5-2.4 GeV NUCLEAR REACTIONS Li, C, Al, Cu(γ, X), E=1.5-2.4 GeV; measured kaon pair invariant mass spectra, φ mesons photoproduction σ; deduced target mass dependence, φ-nucleon interaction total σ.
doi: 10.1016/j.physletb.2005.01.023
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
2003NA08 Phys.Rev.Lett. 91, 012002 (2003) T.Nakano, D.S.Ahn, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsumura, N.Matsuoka, T.Mibe, K.Miwa, M.Miyabe, Y.Miyachi, M.Morita, N.Muramatsu, M.Niiyama, M.Nomachi, Y.Ohashi, T.Ooba, H.Ohkuma, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, T.Sasaki, P.M.Shagin, Y.Shiino, H.Shimizu, Y.Sugaya, M.Sumihama, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yoshimura, M.Yosoi, R.G.T.Zegers Evidence for a Narrow S = +1 Baryon Resonance in Photoproduction from the Neutron NUCLEAR REACTIONS 12C(γ, K+K-), E ≈ 1.5-2.4 GeV; measured kaon missing mass spectra; deduced baryon resonance features.
doi: 10.1103/PhysRevLett.91.012002
2003ZE04 Phys.Rev.Lett. 91, 092001 (2003) R.G.T.Zegers, M.Sumihama, D.S.Ahn, J.K.Ahn, H.Akimune, Y.Asano, W.C.Chang, S.Date, H.Ejiri, H.Fujimura, M.Fujiwara, K.Hicks, T.Hotta, K.Imai, T.Ishikawa, T.Iwata, H.Kawai, Z.Y.Kim, K.Kino, H.Kohri, N.Kumagai, S.Makino, T.Matsumura, N.Matsuoka, T.Mibe, K.Miwa, M.Miyabe, Y.Miyachi, M.Morita, N.Muramatsu, T.Nakano, M.Niiyama, M.Nomachi, Y.Ohashi, T.Ooba, H.Ohkuma, D.S.Oshuev, C.Rangacharyulu, A.Sakaguchi, T.Sasaki, P.M.Shagin, Y.Shiino, H.Shimizu, Y.Sugaya, H.Toyokawa, A.Wakai, C.W.Wang, S.C.Wang, K.Yonehara, T.Yorita, M.Yoshimura, M.Yosoi Beam-Polarization Asymmetries for the p(γ(pol), K+)Λ and p(γ(pol), K+)Σ0 Reactions for Eγ = 1.5-2.4 GeV NUCLEAR REACTIONS 1H(polarized γ, K+X), E=1.5-2.4 GeV; measured hyperon production associated beam polarization asymmetries. Comparison with model predictions.
doi: 10.1103/PhysRevLett.91.092001
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.
2002MI49 Prog.Theor.Phys.(Kyoto), Suppl. 146, 268 (2002) T.Minamisono, K.Minamisono, K.Matsuta, M.Fukuda, M.Mihara, K.Koshigiri, M.Morita β Decays of Nucleons and Quarks Embedded in the Nucleus RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(EC) [from 10B(3He, n)]; measured Eβ, Iβ(θ, H, t) from polarized sources; deduced in-medium nucleon mass renormalization, induced tensor form factor.
doi: 10.1143/PTPS.146.268
2000MI11 Nucl.Phys. A663-664, 951c (2000) K.Minamisono, T.Yamaguchi, T.Sumikama, T.Nagatomo, K.Matsuta, T.Minamisono, M.Fukuda, K.Koshigiri, M.Morita G-Parity Violation of Weak Nucleon Current and In-Medium Mass Renormalization of Nucleons Detected Through the β Decays of Spin Aligned 12B and 12N RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(β+) [from 10B(3He, n)]; measured β angular distributions from aligned nuclei; deduced axial charge, in-medium mass reduction of decaying nucleon.
doi: 10.1016/S0375-9474(99)00805-2
1999MI41 Nucl.Phys. (Supplement) A654, 955c (1999) K.Minamisono, T.Yamaguchi, K.Matsuta, T.Minamisono, T.Ikeda, Y.Muramoto, M.Fukuda, Y.Nojiri, A.Kitagawa, K.Koshigiri, M.Morita New Limit of the G-Parity Irregular Induced Tensor Current and the Axial Charge in the Weak Nucleon Current Detected in Alignment Correlation Terms of 12B and 12N β Decay RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(β-) [from 10B(3He, n)]; measured Eβ, Iβ(θ) from aligned nuclei; deduced G-parity violating induced tensor form factor.
doi: 10.1016/S0375-9474(00)88580-2
1998MI14 Phys.Rev.Lett. 80, 4132 (1998) T.Minamisono, K.Matsuta, T.Yamaguchi, K.Minamisono, T.Ikeda, Y.Muramoto, M.Fukuda, Y.Nojiri, A.Kitagawa, K.Koshigiri, M.Morita New Limit of the G-Parity Irregular Weak Nucleon Current Disclosed in β-Ray Angular Distributions from Spin Aligned 12B and 12N RADIOACTIVITY 12B(β-) [from 11B(d, p)]; 12N(β+) [from 10B(3He, n)]; measured β-ray angular distribution from oriented nuclei; deduced nonzero G-parity violating induced tensor form factor. β-NMR technique.
doi: 10.1103/PhysRevLett.80.4132
1995KO28 Nucl.Phys. A588, 165c (1995) K.Koshigiri, R.Morita, M.Morita Structure of Weak Nucleon Currents and Charge Asymmetry in Nuclear Beta Decay RADIOACTIVITY 12B(β-); 12N(β+); analyzed Iβ(θ); deduced ft value, y asymmetry characteristics, induced tensor coupling constant. Models incorporating binding energy effects in nucleon wave function.
doi: 10.1016/0375-9474(95)00118-K
1994MO23 Nucl.Phys. A577, 387c (1994) M.Morita, R.Morita, K.Koshigiri Induced Terms of Weak Nucleon Currents in Light Nuclei RADIOACTIVITY 12B(β-); 12N(β+); analyzed Iβ(θ) data, aligned nuclei; deduced induced tensor current limit, axial charge.
doi: 10.1016/0375-9474(94)90885-0
1993MO30 Hyperfine Interactions 78, 85 (1993) M.Morita, R.Morita, M.Doi, T.Sato, H.Ohtsubo, K.Koshigiri Induced Pseudoscalar Interaction in Weak Nucleon Current and Muon Capture in Hyperfine States of Muonic Deuterium ATOMIC PHYSICS, Mesic-Atoms 2H; calculated muon capture rate in muonic deuterium.
doi: 10.1007/BF00568120
1992MO33 Z.Phys. C56, S156 (1992) Muon capture in hyperfine states of muonic deuterium and induced pseudoscalar form factor NUCLEAR REACTIONS 2H(μ-, X), E at rest; calculated capture rates from hyperfine states of muonic deuterium. ATOMIC PHYSICS 2H(μ-, X), E at rest; calculated capture rates from hyperfine states of muonic deuterium.
doi: 10.1007/BF02426791
1990DO01 Nucl.Phys. A511, 507 (1990) M.Doi, T.Sato, H.Ohtsubo, M.Morita Effect of Meson Exchange Current on Deuteron Muon Capture NUCLEAR REACTIONS 2H(μ-, 2n), E at rest; calculated neutron spectra, ν asymmetry. Meson exchange model, Siegert theorem.
doi: 10.1016/0375-9474(90)90107-W
1987FU13 Prog.Theor.Phys.(Kyoto) 78, 343 (1987) M.Fukui, K.Koshigiri, T.Sato, H.Ohtsubo, M.Morita Polarizations of 12B in Muon Capture Reaction with Higher Order Configuration Mixing NUCLEAR REACTIONS 12C(polarized μ-, ν)12B, E not given; calculated 12B polarization; deduced pseudoscalar to axial coupling constant ratio (g(p)/g(A)). 12C(e, e'), E=80-330 MeV; calculated M1 form factor.
doi: 10.1143/PTP.78.343
1987WA26 Prog.Theor.Phys.(Kyoto) 78, 114 (1987) R.Watanabe, M.Fukui, H.Ohtsubo, M.Morita Angular Distribution of Electrons in Bound Muon Decay ATOMIC PHYSICS, Mesic-Atoms 16O, 40Ca, 90Zr, 208Pb; calculated bound muon decay characteristics, σ(θ(e)).
doi: 10.1143/PTP.78.114
1985KO39 Prog.Theor.Phys.(Kyoto) 74, 736 (1985) K.Koshigiri, Y.Kakudo, H.Ohtsubo, M.Morita Muon Capture in Complex Nuclei of Nonzero Spin NUCLEAR REACTIONS 13C, 14N(μ-, ν), E at rest; calculated partial muon capture rate, recoil nucleus longitudinal, average polarizations, average alignments; deduced (gp/gA) determination sifnificance.
doi: 10.1143/PTP.74.736
1985MO13 Hyperfine Interactions 21, 143 (1985) Weak Nucleon Currents in Beta Decay and Muon Capture RADIOACTIVITY 12B(β-), 12N(β+); calculated β-spectral shape factors; analyzed Iβ(θ), oriented nuclei; deduced weak interaction, induced pseudoscalar, axial vector current form factors.
doi: 10.1007/BF02061982
1984KO24 Prog.Theor.Phys.(Kyoto) 71, 1293 (1984) K.Koshigiri, H.Ohtsubo, M.Morita Muon Capture in 11B Muonic Atom and Hyperfine Spin Dependence NUCLEAR REACTIONS 11B(μ-, n), E at rest; calculated total muon capture rate hyperfine state dependence, σ(En). 10Be levels deduced (gp/gA) dependence. Continuum shell model. ATOMIC PHYSICS, Mesic-Atoms 11B; calculated muonic hyperfine state capture rate; deduced hyperfine state spin dependence.
doi: 10.1143/PTP.71.1293
1983FU15 Phys.Lett. 132B, 255 (1983) M.Fukui, K.Koshigiri, T.Sato, H.Ohtsubo, M.Morita The Average Polarization of 12B in the Muon Capture Reaction NUCLEAR REACTIONS 12C(μ-, ν), E at rest; analyzed recoil 12B polarization; deduced (gp/g(A)). Multi-configurational shell model wave functions.
doi: 10.1016/0370-2693(83)90301-5
1983FU17 Prog.Theor.Phys.(Kyoto) 70, 827 (1983) M.Fukui, K.Koshigiri, T.Sato, H.Ohtsubo, M.Morita Nuclear Polarization of 12B in Muon Capture Reaction NUCLEAR REACTIONS 12C(μ-, ν), E at rest; calculated average, longitudinal 12B recoil polarization; deduced (gp/g(A)). Multi-configuration shell model.
doi: 10.1143/PTP.70.827
1982KO27 Prog.Theor.Phys.(Kyoto) 68, 687 (1982) K.Koshigiri, H.Ohtsubo, M.Morita Munon Capture in Hyperfine States of 11B Muonic Atom ATOMIC PHYSICS, Mesic-Atoms 11B; calculated muonic hyperfine state capture rates vs pseudoscalar coupling constant. Different nuclear models.
doi: 10.1143/PTP.68.687
1981AM05 Prog.Theor.Phys.(Kyoto) 65, 632 (1981) H.Ami, M.Kobayashi, H.Ohtsubo, M.Morita Longitudinal Polarization of 12B in Muon Capture Reaction NUCLEAR REACTIONS 12C(μ-, ν), E at rest; calculated longitudinal polarization of 12B; deduced excited state effects, time reversal invariance validity. Vector, axial vector current, lepton current, current-current interactions.
doi: 10.1143/PTP.65.632
1981KO27 Prog.Theor.Phys.(Kyoto) 66, 358 (1981) K.Koshigiri, H.Ohtsubo, M.Morita Core Polarization and Exchange Current Effects on Time Component of Axial Vector Current in A = 12 System NUCLEAR STRUCTURE A=12; calculated axial vector current time component matrix element. Core polarization, exchange current effects.
doi: 10.1143/PTP.66.358
1979KO12 Nucl.Phys. A319, 301 (1979) K.Koshigiri, M.Nishimura, H.Ohtsubo, M.Morita Beta-Ray Spectra of 12B and 12N and Conserved Vector Current NUCLEAR STRUCTURE 12B, 12N; calculated β-spectra shape factors. Formalism treats lepton wave functions exactly, nuclear-matrix elements independent of electron energy.
doi: 10.1016/0375-9474(79)90517-7
1979KO39 Prog.Theor.Phys.(Kyoto) 62, 706 (1979) K.Koshigiri, H.Ohtsubo, M.Morita Nuclear Structure Effects on Weak Nuclear Form Factors of 0+-0- Transitions in A=16 System NUCLEAR STRUCTURE 16O, 16N; calculated muon capture rate/β-decay rate. Realistic nuclear models, exact lepton wave functions.
doi: 10.1143/PTP.62.706
1978KO31 Nucl.Phys. A312, 377 (1978) M.Kobayashi, N.Ohtsuka, H.Ohtsubo, M.Morita Average Polarization of 12B in Polarized Muon Capture NUCLEAR REACTIONS 12C(polarized μ-, ν), E=at rest; calculated average polarization of recoil nucleus. Compared with data. Deduced ratio (g(p)-g(t))/gA.
doi: 10.1016/0375-9474(78)90598-5
1978MO02 Phys.Lett. 73B, 17 (1978) M.Morita, M.Nishimura, H.Ohtsubo Beta-Ray Angular Distribution in Aligned 12B and 12N and G-Parity Irregular Induced Tensor Current RADIOACTIVITY 12B, 12N; calculated β(θ).
doi: 10.1016/0370-2693(78)90160-0
1975KU19 Nucl.Phys. A251, 465 (1975) K.Kume, N.Ohtsuka, H.Ohtsubo, M.Morita Asymmetry and Energy Spectrum of High-Energy Neutrons Emitted in Polarized Muon Capture by Nuclei NUCLEAR REACTIONS 40Ca(μ-, n); calculated number of neutrons per muon capture.
doi: 10.1016/0375-9474(75)90542-4
1973OH04 Progr.Theor.Phys. 49, 701 (1973) Internal Conversion Coefficients for Electron Spin Polarized Fe57. II NUCLEAR STRUCTURE 57Fe; calculated ICC.
doi: 10.1143/PTP.49.701
1973OH05 Progr.Theor.Phys. 49, 877 (1973) Relativistic Corrections to Nuclear Magnetic Moments and Gamow-Teller Matrix Elements of Beta Decay NUCLEAR STRUCTURE A=11-43; 88Sr, 114Sn, 208Pb; calculated nuclear magnetic moment.
doi: 10.1143/PTP.49.877
1973OT01 Progr.Theor.Phys. 50, 1771 (1973) Experimental Evidence for Nuclear Excitation by Electron Transition in 189Os RADIOACTIVITY 189mOs; measured T1/2.
doi: 10.1143/PTP.50.1771
1973YO04 Progr.Theor.Phys. 50, 1894 (1973) Radiative Corrections to Asymmetry and Energy Spectrum of β Rays from Polarized Nuclei RADIOACTIVITY 12B, 12N; calculated radiative corrections to β spectrum.
doi: 10.1143/PTP.50.1894
1972MO32 Prog.Theor.Phys. 47, 556 (1972) Theory of Allowed Beta Decay with Higher Order Corrections
doi: 10.1143/PTP.47.556
1970YO05 Progr.Theor.Phys. 44, 294 (1970) Internal Conversion Coefficients for Electron Spin Polarized Fe57 NUCLEAR STRUCTURE 57Fe; calculated I(ce), ICC for 14.4 keV transition.
doi: 10.1143/PTP.44.294
1963MA09 Phys.Rev. 129, 1308 (1963) Z.Matumoto, M.Yamada, I.T.Wang, M.Morita Structure of Low-Lying 2+ States in Even-Even Nuclei and Beta-Gamma Angular Correlations
doi: 10.1103/PhysRev.129.1308
1963MO22 Suppl.Progr.Theoret.Phys. No.26, 1 (1963) Theory of Beta Decay
1963MO23 Suppl.Progr.Theoret.Phys. No.26, 64 (1963) M.Morita, R.Morita, T.Tsukamoto, M.Yamada Clebsch-Gordan Coefficients for j2 = 5/2, 3 and 7/2
1959MO27 Phys.Rev. 113, 1584 (1959) Higher Order Corrections to the Allowed Beta Decay
doi: 10.1103/PhysRev.113.1584
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