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Search: Author = H.Ohtsubo

Found 40 matches.

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1999TA33      Prog.Theor.Phys.(Kyoto) 102, 333 (1999)

S.Taniguchi, T.Sato, H.Ohtsubo

Pion Elastic and Charge-Exchange Scattering on p-Shell Nuclei by Isobar-Doorway State Model

NUCLEAR REACTIONS 12C(π-, π-), E=150-230 MeV; 16O(π-, π-), E=163 MeV; 16O(π+, π+), E=114-240 MeV; calculated σ(θ). 13C(π+, π+), E=162-223 MeV; 13C, 15N(π+, π0), E ≈ 165 MeV; calculated σ(θ), Ay(θ). 13C(π-, π-), E=114-226 MeV; calculated Ay(θ). Isobar-doorway state model, comparisons with data.

doi: 10.1143/PTP.102.333
Citations: PlumX Metrics

1995OG06      Prog.Theor.Phys.(Kyoto) 94, 199 (1995)

T.Ogaito, T.Sato, H.Ohtsubo

Polarization Phenomena in Hypernuclear Reaction

NUCLEAR REACTIONS 12,13C(π+, K+), E at 1.056 GeV/c; 12C(K+, K+), (π+, π+), E at 800 MeV/c; 1H(π-, K0), E at 1.04 GeV/c; analyzed σ(θ); calculated hypernucleus polarization vs θ. 1H(π-, K0), E at 1.04 GeV/c; analyzed polarization vs θ. DWIA.

doi: 10.1143/PTP.94.199
Citations: PlumX Metrics

1994SA02      Phys.Rev. C49, 776 (1994)

T.Sato, N.Odagawa, H.Ohtsubo, T.-S.H.Lee

Nuclear Structure Studies with (e, e'), (π, π'), and (γ, π) Reactions: Application to 10B

NUCLEAR REACTIONS 10B(e, e'), E not given; calculated charge, transverse form factors. 10B(π, π'), E=164 MeV; 10B(γ, π+), E=183, 320 MeV; calculated σ(θ).

doi: 10.1103/PhysRevC.49.776
Citations: PlumX Metrics

1994SA44      Nucl.Phys. A577, 219c (1994)

T.Sato, N.Odagawa, H.Ohtsubo, T.-S.H.Lee

Nuclear Structure of 10B Studied with (e, e'), (π, π') and (γ, π) Reactions

NUCLEAR REACTIONS 10B(e, e'), E not given; 10B(π, π'), E=164 MeV; 10B(γ, π), E=183, 220 MeV; analyzed data. Different models.

doi: 10.1016/0375-9474(94)90859-1
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1993SA15      Z.Phys. A345, 15 (1993)

T.Sato, T.Ogaito, H.Ohtsubo

Application of Semi-Classical Method to the Polarization Problem of Hypernuclei

NUCLEAR REACTIONS 12C(K-, π-), E at 715 MeV/c; 12C(π+, K+), E at 1056 MeV/c; calculated hypernuclei polarization vs θ. Semi-classical approximation to transition amplitude.

doi: 10.1007/BF01290334
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1991OD04      Prog.Theor.Phys.(Kyoto) 86, 1277 (1991)

N.Odagawa, T.Sato, H.Ohtsubo

Charged Pion Photoproduction on the p-Shell Nuclei at Low Energy and Rescattering Effect of a Pion

NUCLEAR REACTIONS 12C(γ, π+), E=194 MeV; 13C(γ, π-), E=163, 190 MeV; 15N(γ, π-), E=170 MeV; calculated σ(θ); deduced rescattering process role dependence on pion charge. DWIA.

doi: 10.1143/ptp/86.6.1277
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1989JE06      Phys.Lett. 228B, 304 (1989)

B.K.Jeon, T.Sato, H.Ohtsubo

Coherent π0 Electroproduction on the Deuteron at Threshold

NUCLEAR REACTIONS 2H(e, π0), E not given; calculated pion production longitudinal form factor.

doi: 10.1016/0370-2693(89)91549-9
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1986NO04      Nucl.Phys. A453, 645 (1986)

S.Nozawa, K.Kubodera, H.Ohtsubo

Exchange Currents and Cofiguration-Mixing Effects in the 16O(0+) - 16N(0-) Transitions

NUCLEAR STRUCTURE 16N, 16O; calculated β-decay, μ capture rates; deduced exchange currents, configuration mixing effects roles.

doi: 10.1016/0375-9474(86)90256-3
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1985NO10      Prog.Theor.Phys.(Kyoto) 74, 926 (1985)

S.Nozawa, K.Kubodera, H.Ohtsubo, H.Nishimura

Further Study of the 16O(0+) - 16N(0-) Transitions

NUCLEAR STRUCTURE 16N, 16O; calculated μ-capture to β-decay rate vs range parameter; deduced nonsoft pion exchange role.

doi: 10.1143/PTP.74.926
Citations: PlumX Metrics

1985SA06      Z.Phys. A320, 507 (1985)

T.Sato, K.Koshigiri, H.Ohtsubo

Electron Scattering and Charge Pion Photoproduction on 12C and 13C

NUCLEAR REACTIONS 13,12C(e, e'), E not given; calculated M1, E2 form factors. 12C(γ, π+), E=194 MeV; calculated σ(θ). 13C(γ, π-), E=190 MeV; calculated σ(θ); deduced core polarization, meson exchange effect role. Shell model, effective interactions.

doi: 10.1007/BF01415729
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1982SA26      Prog.Theor.Phys.(Kyoto) 68, 840 (1982)

T.Sato, M.Kobayashi, H.Ohtsubo

Meson Exchange Current and Magnetic Moment of Deuteron

NUCLEAR STRUCTURE 2H; calculated corrections to μ. Meson exchange, S-matrix method.

doi: 10.1143/PTP.68.840
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1980OH07      Prog.Theor.Phys.(Kyoto) 64, 2128 (1980)

N.Ohtsuka, H.Ohtsubo

Radiative Pion Capture on 12C

NUCLEAR REACTIONS 12C(π-, γ), E at rest; calculated capture rate vs Eγ, σ(Eγ). 12C levels deduced vibration mode characteristics. Continuum shell model, pionic atom parameters.

doi: 10.1143/PTP.64.2128
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1978HY01      Nucl.Phys. A300, 242 (1978)

H.Hyuga, H.Ohtsubo, T.Sato

Two-Pion Exchange Charge Density and its Related Problems

NUCLEAR STRUCTURE 3He, 3H; calculated two-pion exchange charge density operators contribution to charge form factors.

doi: 10.1016/0375-9474(78)96130-4
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1978OH03      Nucl.Phys. A306, 513 (1978)

N.Ohtsuka, H.Ohtsubo

Investigation of Radiative Pion Capture in 16O by the Continuum Shell Model

NUCLEAR REACTIONS 16O(π-, γ); calculated capture rates.

doi: 10.1016/0375-9474(78)90478-5
Citations: PlumX Metrics

1977KU21      Progr.Theor.Phys. 58, 575 (1977)

K.Kume, H.Ohtsubo

Positive Pion Production in Proton-Nucleus Collision

NUCLEAR REACTIONS 12C(p, π+), E=185 MeV; calculated σ.

doi: 10.1143/PTP.58.575
Citations: PlumX Metrics

1976OH06      Progr.Theor.Phys. 56, 1978 (1976)

N.Ohtsuka, K.Kume, H.Ohtsubo

Longitudinal Polarizations of Emitted Neutron in Muon Capture on 40Ca

NUCLEAR REACTIONS 40Ca(μ-, n); calculated polarization.

doi: 10.1143/PTP.56.1978
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1975KU20      Phys.Lett. 58B, 402 (1975)

K.Kubodera, H.Ohtsubo, Y.Horikawa

Energy-Dependent Anisotropy of Beta-Rays and Second-Class Currents

RADIOACTIVITY 12B, 12N; analyzed data on energy dependence of β-asymmetry; polarized nuclei.

doi: 10.1016/0370-2693(75)90571-7
Citations: PlumX Metrics

1975OH02      Progr.Theor.Phys. 54, 1115 (1975)


Hyperfine Splitting in Muonic Atom and Nuclear Electromagnetic Form Factors

NUCLEAR STRUCTURE 205Tl, 209Bi; calculated M1 form factors, hyperfine splitting in mionic atoms.

doi: 10.1143/PTP.54.1115
Citations: PlumX Metrics

1974NI08      Progr.Theor.Phys. 52, 952 (1974)

T.Nishiyama, H.Ohtsubo

Inelastic Scattering of Negative Pions on C12 under Distorted Wave Impulse Approximation

NUCLEAR REACTIONS 12C(π, π'), E=120-280 MeV; calculated σ(θ); deduced form factors.

doi: 10.1143/PTP.52.952
Citations: PlumX Metrics

1974OH01      Nucl.Phys. A224, 164 (1974)

H.Ohtsubo, T.Nishiyama, M.Kawaguchi

Radiative Pion Capture in 12C and 16O

NUCLEAR STRUCTURE 12C, 16O; calculated π-capture rates.

doi: 10.1016/0375-9474(74)90169-9
Citations: PlumX Metrics

1973OH04      Progr.Theor.Phys. 49, 701 (1973)

H.Ohtsubo, Y.Yokoo, M.Morita

Internal Conversion Coefficients for Electron Spin Polarized Fe57. II


doi: 10.1143/PTP.49.701
Citations: PlumX Metrics

1973OH05      Progr.Theor.Phys. 49, 877 (1973)

H.Ohtsubo, M.Sano, M.Morita

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
Citations: PlumX Metrics

1972NI13      Progr.Theor.Phys. 48, 188 (1972)

T.Nishiyama, H.Ohtsubo

Inelastic Scattering of Negative Pion on C12

NUCLEAR REACTIONS 12C(π-, π-'), E=120-280 MeV; calculated σ(θ). Impulse approximation.

doi: 10.1143/PTP.48.188
Citations: PlumX Metrics

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