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2010IT04 Int.J.Mod.Phys. E19, 2579 (2010)

K.Itonaga, T.Motoba, Th.A.Rijken, T.Ueda

Meson exchange model with the axial vector a₁-meson exchange and hypernuclear nonmesonic decay asymmetries

NUCLEAR STRUCTURE ⁵He, ⁷Li, ⁹Be, ^10,11B, ^12,13C, ¹⁶O; calculated asymmetry parameters for s- and p-shell hypernuclei.

doi: 10.1142/S0218301310017113
Citations: PlumX Metrics

2008IT02 Phys.Rev. C 77, 044605 (2008)

K.Itonaga, T.Motoba, T.Ueda, Th.A.Rijken

Role of the axial vector a₁-meson exchange in hypernuclear nonmesonic weak decays

NUCLEAR STRUCTURE ⁵He, ¹¹B, ¹²C; calculated decay rates, neutron/proton width ratios, asymmetry parameters of hypernuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.77.044605
Citations: PlumX Metrics

2003IT13 Mod.Phys.Lett. A 18, 135 (2003)

K.Itonaga, T.Motoba, T.Ueda

Nonmesonic weak decays of single-Λ and double-Λ hypernuclei of light mass systems

NUCLEAR STRUCTURE ⁴H, ^4,5,6He, ¹⁰Be; calculated nonmesonic decay rates for one- and two-Λ hypernuclei. Meson-exchange potential model.

doi: 10.1142/S0217732303010119
Citations: PlumX Metrics

2002IT01 Phys.Rev. C65, 034617 (2002)

K.Itonaga, T.Ueda, T.Motoba

Nonmesonic Decays and Lifetimes of Hypernuclei

NUCLEAR STRUCTURE ⁴H, ^4,5He, ¹¹B, ¹²C, ¹⁶O, ²⁸Si, ⁵⁶Fe, ⁸⁹Y, ¹³⁹La, ²⁰⁹Bi; calculated hypernuclear nonmesonic decay rates, T_1/2. Comparison with data.

doi: 10.1103/PhysRevC.65.034617
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2002NA25 Phys.Rev. C 66, 061001 (2002)

J.Nagata, H.Yoshino, V.Limkaisang, Y.Yoshino, M.Matsuda, T.Ueda

Phase-shift analysis of elastic Σ⁺p scattering

doi: 10.1103/PhysRevC.66.061001
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2001IT07 Nucl.Phys. A691, 197c (2001)

K.Itonaga, T.Ueda, T.Motoba

Weak Decays of Double-Λ Hypernuclei

doi: 10.1016/S0375-9474(01)01030-2
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2001SA53 Int.J.Mod.Phys. E10, 141 (2001)

S.Sato, T.Ueda

Nucleon-Nucleon and Hyperon-Nucleon Interactions

doi: 10.1142/S0218301301000447
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2001TO21 Nucl.Phys. A693, 731 (2001)

K.Tominaga, T.Ueda

Effective One-Boson-Exchange Potential for ΛN and ΣN Systems and Hypertriton

doi: 10.1016/S0375-9474(01)00882-X
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2001UE02 Nucl.Phys. A689, 323c (2001)

T.Ueda

Effective OBE Potential for ΛN and ΣN Systems

doi: 10.1016/S0375-9474(01)00846-6
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2001YA10 Prog.Theor.Phys.(Kyoto) 105, 627 (2001)

M.Yamaguchi, K.Tominaga, Y.Yamamoto, T.Ueda

ΞN and ΞΞ OBEP and Ξ^--Nucleus Bound States

NUCLEAR STRUCTURE ¹²C, ¹⁴N, ¹⁶O; calculated one-boson exchange potentials, Ξ^- hyperon-nucleus bound-state features.

doi: 10.1143/PTP.105.627
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1998IT02 Nucl.Phys. A639, 329c (1998)

K.Itonaga, T.Ueda, T.Motoba

A-Dependence of Non-Mesonic Decay Rates in the 1π and Correlated 2π Exchange Model

doi: 10.1016/S0375-9474(98)00291-7
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1998TO25 Nucl.Phys. A642, 483 (1998)

K.Tominaga, T.Ueda, M.Yamaguchi, N.Kijima, D.Okamoto, K.Miyagawa, T.Yamada

A One-Boson-Exchange Potential for ΛN, ΛΛ and ΞN Systems and Hypernuclei

doi: 10.1016/S0375-9474(98)00485-0
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1998UE01 Prog.Theor.Phys.(Kyoto) 99, 891 (1998)

T.Ueda, K.Tominaga, M.Yamaguchi, N.Kijima, D.Okamoto, K.Miyagawa, T.Yamada

ΛN and ΛΛ Interactions in an OBE Model and Hypernuclei

NUCLEAR STRUCTURE ⁶He, ¹⁰Be, ¹³B; calculated ΛΛ-hypernuclei separation energies. OBE model of ΛN, ΛΛ interactions.

doi: 10.1143/PTP.99.891
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1998UE03 Nucl.Phys. A643, 83 (1998)

T.Ueda

A Narrow and Strong Structure Due to S-Wave πNN Dynamics Near Threshold

doi: 10.1016/S0375-9474(98)00552-1
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1996UE03 Prog.Theor.Phys.(Kyoto) 95, 115 (1996)

T.Ueda, K.Tada, K.Kameyama

A Separable Representation of the NN One-Boson-Exchange Potential and the Effect of the ¹S₀ Potential on the J(P) = 0^- πNN System Near Pion Threshold

doi: 10.1143/PTP.95.115
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1996UE05 Z.Naturforsch. 51a, 672 (1996)

T.Ueda, N.Nakamura

¹²¹Sb NMR and SCF-MS-Xα Studies of Quadrupole Interaction and the Electronic Structure of Mixed-Valence Compound, Cs₂SbCl₆

NUCLEAR MOMENTS ¹²¹Sb; measured NMR; deduced quadrupole coupling constants, electronic structure of Cs₂SbCl₆ mixed-valence compound.

1996UE06 Z.Naturforsch. 51a, 910 (1996)

T.Ueda, K.Shimizu, H.Ohki, T.Okuda

¹³C CP/MAS NMR Study of the Layered Compounds [C₆H₅CH₂CH₂NH₃]₂[CH₃NH₃](n-1)Pb(n)I(3n+1)(n = 1, 2)

NUCLEAR MOMENTS ¹³C; measured CP/MAS NMR. Layered compounds.

1996YO05 Prog.Theor.Phys.(Kyoto) 95, 577 (1996)

H.Yoshino, J.Nagata, Y.Yoshino, M.Matsuda, N.Hiroshige, T.Ueda

Neutron-Proton Phase Shifts between 500 and 1090 MeV

NUCLEAR REACTIONS ¹H(n, X), (p, X), (polarized n, X), (polarized p, X), (polarized n, n), (polarized p, p), E ≈ 0.3-1 GeV; analyzed reaction σ(E), elastic scattering σ(θ), polarization obervables data; deduced ¹P₁ wave resonance related features.

doi: 10.1143/PTP.95.577
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1995IT01 Nucl.Phys. A585, 331c (1995)

K.Itonaga, T.Ueda, T.Motoba

A Role of 2π/σ-Exchange in the (Lambda)N → NN Weak Potential and the Nonmesonic Decay of Light (Lambda) Hypernuclei

NUCLEAR STRUCTURE A=4-13; calculated hypernuclei nonmesonic decay rates Γ, Γp, Γn, Γn/Γp.

doi: 10.1016/0375-9474(94)00592-B
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1994IT03 Nucl.Phys. A577, 301c (1994)

K.Itonaga, T.Ueda, T.Motoba

A New (Lambda)N → NN Weak Potential and the Hypernuclear Nonmesonic Decay

NUCLEAR STRUCTURE A=4, 5; calculated hypernuclei nonmesonic decay rates. New N(Lambda)-NN weak potential.

doi: 10.1016/0375-9474(94)90871-0
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1994UE01 Prog.Theor.Phys.(Kyoto) 91, 85 (1994)

T.Ueda, Y.Ikegami

Separable Representation of πN Scattering Amplitudes

NUCLEAR REACTIONS ¹n, ¹H(π, π), E ≤ 400 MeV; calculated phase shifts vs E. Separable representation.

1994UE02 Nucl.Phys. A573, 511 (1994)

T.Ueda

Three-Body Dynamics on pp → pp and pp → pnπ⁺ Processes Below 1 GeV

NUCLEAR REACTIONS ¹H(p, p), E ≤ 1 GeV; calculated phase shifts. ¹H(polarized p, nπ⁺), E=400-800 MeV; calculated σ(θp, θπ), analyzing power, other observables vs momentum. Three-body calculations, dibaryons, πNN resonances.

doi: 10.1016/0375-9474(94)90229-1
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1992NA05 Phys.Rev. C45, 1432 (1992)

J.Nagata, M.Matsuda, N.Hiroshige, T.Ueda

Analysis of pp-pp, πd-πd, and pp-πd Processes Concerning a Narrow Structure in pp- A(y) Data at (Square root of s) ≈ 2.16 GeV

NUCLEAR REACTIONS ¹H(polarized p, p), E=500-716 MeV; calculated analyzing power, polarization observables, σ(θ). ²H(π, π), E=65-275 MeV; calculated σ(θ), σ(E). ¹H(polarized p, π), E=0.55-0.75 GeV; calculated σ(θ), analyzing power.

doi: 10.1103/PhysRevC.45.1432
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1992UE02 Phys.Lett. 291B, 228 (1992)

T.Ueda

Anomalous Behavior of the Cross Sections in γd → (eta)d and γd → np Reactions Near (eta) Threshold

NUCLEAR REACTIONS ²H(γ, n), (γ, X), E ≈ 550-750 MeV; calculated σ(E) for outgoing nucleon, eta; deduced quasibound state contribution.

doi: 10.1016/0370-2693(92)91036-9
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1992UE03 Prog.Theor.Phys.(Kyoto) 87, 983 (1992)

T.Ueda

The Narrow Width (Eta)NN-πNN Quasi-Bound State Appearing in np → np and np → (Eta)d Processes

NUCLEAR REACTIONS ¹H(n, n), (n, X), E=1.2-1.4 GeV; calculated quasi-bound state σ for elastic, eta-production. Multi-three-body calculation.

doi: 10.1143/ptp/87.4.983
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1990UE01 J.Phys.(Paris), Colloq.C-6, 399 (1990)

T.Ueda

The J(P) = 2⁺ Dibaryon in πNN Calculation of pp → π⁺pn Process

NUCLEAR REACTIONS ¹H(p, π⁺n), E=400-1000 MeV; analyzed data; deduced 2⁺ dibaryon resonance role. πNN dynamics.

1989UE03 Nucl.Phys. A505, 610 (1989)

T.Ueda

A Relativistic and Unitary Theory for the Systems of NNN-πNNN and pd-³Heπ⁰(tπ⁺) Reaction in the Δ Energy Region

NUCLEAR REACTIONS ²H(p, π⁺), E=340-600 MeV; calculated σ(θ). Relativistic, unitary theory, NNN-πNNN systems near Δ resonance.

doi: 10.1016/0375-9474(89)90035-3
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1987MI06 Nucl.Phys. A463, 411c (1987)

K.Miyagawa, T.Ueda, T.Sawada, S.Takagi

Multi Three-Cluster Coupling Model of Nuclear Reactions

NUCLEAR REACTIONS ⁴He(d, d), (polarized d, d), E=56 MeV; ²H(α, ³He), E=166 MeV; calculated σ(θ), analyzing power; deduced multi-cluster coupling effects. Cluster coupling model.

doi: 10.1016/0375-9474(87)90683-X
Citations: PlumX Metrics

1987UE01 Nucl.Phys. A463, 69c (1987)

T.Ueda

Elastic and Inelastic Nucleon-Nucleon Scatterings in the πNN Dynamics

NUCLEAR REACTIONS ¹H(p, p), (n, n), (p, p'), (n, n'), E=200-1000 MeV; calculated σ(E), σ(θ), phase shifts, absorption parameters; ¹H(p, π⁺), (p, π⁺p), E=400, 600, 800 MeV; calculated σ(θ), σ(Ep, θp, θπ), analyzing powers. Pion-nucleon-nucleon dynamics.

doi: 10.1016/0375-9474(87)90648-8
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1987UE02 Prog.Theor.Phys.(Kyoto) 78, 521 (1987)

T.Ueda

Mechanism for NNΔ and NΔΔ Resonances and Its Evidence in pd → ³Heπ⁰ Reaction

NUCLEAR REACTIONS ¹H(d, π⁰), E=500-1200 MeV; analyzed data; deduced NNΔ, NΔΔ evidence.

doi: 10.1143/PTP.78.521
Citations: PlumX Metrics

1986MI23 Nucl.Phys. A459, 93 (1986)

K.Miyagawa, T.Ueda, T.Sawada, S.Takagi

Multi Three-Cluster Coupling Model of Nuclear Reactions

NUCLEAR REACTIONS ⁴He(polarized d, d), E=56 MeV; calculated σ(θ), vector analyzing power; ²H(α, ³He), E=166 MeV; calculated σ(θ). Multi three-cluster coupling model.

doi: 10.1016/0375-9474(86)90058-8
Citations: PlumX Metrics

1986UE01 Prog.Theor.Phys.(Kyoto) 76, 729 (1986)

T.Ueda

Nucleon-Nucleon Scattering at 200-1200 MeV in πNN Dynamics

NUCLEAR REACTIONS ¹H(p, p), (p, p'), (n, n), (n, n'), E=200-1200 MeV; calculated σ(E). πNN dynamics.

doi: 10.1143/PTP.76.729
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1986UE03 Prog.Theor.Phys.(Kyoto) 76, 959 (1986)

T.Ueda

The Reaction pp → pnπ⁺ at 800 MeV in πNN Dynamics

NUCLEAR REACTIONS ¹H(p, pπ⁺), (polarized p, pπ⁺), E=800 MeV; calculated σ(θp, θ(π)), analyzing powers, polarization observables vs proton momentum. Pion-nucleon-nucleon dynamics.

doi: 10.1143/PTP.76.959
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1984IS04 Phys.Rev.Lett. 53, 1877 (1984)

S.Ishikawa, T.Sasakawa, T.Sawada, T.Ueda

Contribution of Three-Nucleon Potential to Triton Binding Energy

NUCLEAR STRUCTURE ³H; calculated binding energy. Faddeev calculations, different two-body potentials.

doi: 10.1103/PhysRevLett.53.1877
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1984MA64 Phys.Lett. 149B, 436 (1984)

M.Maruyama, T.Ueda

N(bar)N Scattering below 300 MeV Due to Quark Rearrangement Annihilation and One-Boson Exchange

NUCLEAR REACTIONS ¹H(p-bar, p-bar), E ≈ 10-260 MeV; calculated σ(E). Quark rearrangement model, one-boson exchange.

doi: 10.1016/0370-2693(84)90361-7
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1984UE01 Prog.Theor.Phys.(Kyoto) 72, 860 (1984)

T.Ueda, T.Sawada, T.Sasakawa, S.Ishikawa

Three-Nucleon-Potential and Triton Binding Energy

NUCLEAR STRUCTURE ³H; calculated binding energy. Three-nucleon potential, two-pion exchange.

doi: 10.1143/PTP.72.860
Citations: PlumX Metrics

1983MU06 Nucl.Phys. A393, 399 (1983)

Muslim, Y.E.Kim, T.Ueda

Three-Nucleon Forces and Triton Binding Energy

NUCLEAR STRUCTURE ³H; calculated binding energy correction. Three-nucleon forces, meson exchange.

doi: 10.1016/0375-9474(83)90150-1
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1982AR16 Nucl.Phys. A389, 605 (1982)

M.Araki, Y.Koike, T.Ueda

Faddeev πNN Dynamics with ρ-Exchange Contribution for the ¹D₂ and ³F₃ Diproton Anomalies

NUCLEAR REACTIONS ¹H(p, p), ¹H(p, π), ²H(π, π), E=400-1000 MeV; calculated phase shift, absorption parameters, σ(total) vs E. Faddeev pion-nucleon-nucleon dynamics.

doi: 10.1016/0375-9474(82)90432-8
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1982MU11 Phys.Lett. 115B, 273 (1982)

Muslim, Y.E.Kim, T.Ueda

Two-Pion Exchange Three-Nucleon Forces and Triton Binding Energy

NUCLEAR STRUCTURE ³H; calculated binding energy correction. First-order perturbation, two pion exchange, three nucleon force.

doi: 10.1016/0370-2693(82)90368-9
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1979UE02 Prog.Theor.Phys. 61, 1367 (1979)

T.Ueda

Contribution of Dibaryons as πNN Cluster to π-α Scattering at 75-260 MeV

NUCLEAR REACTIONS ⁴He(π^-, π^-), E=75-260 MeV; calculated phase shifts, dibaryons as π-nucleon-nucleon resonances.

doi: 10.1143/PTP.61.1367
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1978MO28 Prog.Theor.Phys. 60, 299 (1978)