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Search: Author = K.Itonaga

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2018IT08      Prog.Theor.Exp.Phys. 2018, 113D01 (2018)

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

Hypernuclear non-mesonic weak decays in the extended meson exchange model

NUCLEAR STRUCTURE 4H, 4,5He, 7Li, 9Be, 11B, 12,13C, 15N, 16O, 27Al, 28Si, 56Fe, 89Y, 139La, 209Bi; analyzed available data; deduced calculated decay rates, resonance parameter widths, intrinsic asymmetry parameter medium-to-heavy hypernuclei.

doi: 10.1093/ptep/pty110
Citations: PlumX Metrics


2012BY02      Nucl.Phys. A881, 199 (2012)

P.Bydzovsky, M.Sotona, T.Motoba, K.Itonaga, K.Ogawa, O.Hashimoto

Electromagnetic production of medium-mass Λ-hypernuclei

NUCLEAR REACTIONS 1H(γ, K+)Λ, E=0.9-2.2 GeV;1H(γ, K+)Λ, E(cm)=0.9-2.5 GeV; measured reaction products; deduced σ(θ); calculated σ(θ) using different models. 28Si(γ, K+)28λAl, E=1.3 GeV;40Ca(γ, K+)40ΛK, E=1.3 GeV;52Cr(γ, K+)52Λ, E=1.3 GeV; measured reaction products; deduced DDHF hypernucleus levels, J, π, configuration, σ(θ), spectroscopic factor; calculated levels, J, π, configuration, σ(θ), spectroscopic factor using DWIA, PWIA, other models.

doi: 10.1016/j.nuclphysa.2012.01.023
Citations: PlumX Metrics


2010IT03      Prog.Theor.Phys.(Kyoto), Suppl. 185, 252 (2010)

K.Itonaga, T.Motoba

Hypernuclear Weak Decays

RADIOACTIVITY 7,8Li, 8,9Be, 10,11B, 12,13C, 14,15N(π-); calculated hypernucleus decay rates, T1/2. Comparison with experimental data.

doi: 10.1143/PTPS.185.252
Citations: PlumX Metrics


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


2010MO24      Prog.Theor.Phys.(Kyoto), Suppl. 185, 197 (2010)

T.Motoba, K.Itonaga, Y.Yamamoto

+, K+) Reaction Spectroscopy of Heavy Hypernuclei

NUCLEAR REACTIONS 12C, 56Fe, 89Y, 139La(π+, K+), E<30 MeV; calculated hypernucleus production σ(θ), strength functions, excitation spectra, J, π, energy spacings. DWIA analysis.

doi: 10.1143/PTPS.185.197
Citations: PlumX Metrics


2010MO25      Prog.Theor.Phys.(Kyoto), Suppl. 185, 224 (2010)

T.Motoba, P.Bydzovsky, M.Sotona, K.Itonaga

Spectroscopy of Electro- and Photo-Productions of Hypernuclei

NUCLEAR REACTIONS 9Be, 10B, 12C, 19F, 28Si, 40Ca(π+, K+), (π-, K-), (γ, K+), E<2.5 GeV; calculated hypernucleus production σ(θ), s(θ, E), hyperon recoil, excitation energy. Comparison with experimental data.

doi: 10.1143/PTPS.185.224
Citations: PlumX Metrics


2010MO34      Int.J.Mod.Phys. E19, 2470 (2010)

T.Motoba, P.Bydzovsky, M.Sotona, K.Itonaga, K.Ogawa, O.Hashimoto

Spectroscopy of Medium-mass hypernuclear production

NUCLEAR REACTIONS 12C, 28Si, 40Ca(γ, K+)12B/28Al/40K, E=1.3 GeV; calculated excitation spectra, photoproduction differential σ, hyperon recoil momentum.

doi: 10.1142/S0218301310016971
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, T1/2. Comparison with data.

doi: 10.1103/PhysRevC.65.034617
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1998AJ01      Phys.Rev.Lett. 80, 3471 (1998)

S.Ajimura, M.Ishikawa, K.Ikeda, T.Kishimoto, A.Okusu, N.Shinkai, Y.Tanaka, H.Ejiri, T.Nakano, T.Nagae, H.Noumi, K.Manabe, M.Sekimoto, T.Shibata, O.Hashimoto, K.Maeda, T.Takahashi, T.Hasegawa, H.Bhang, H.Park, Y.Kim, M.Youn, T.Motoba, K.Itonaga

Polarization of (Λ)5He Produced by the (π+, K+) Reaction

NUCLEAR REACTIONS 6Li(π+, K+), (π+, K+p), E at 1.05 GeV/c; measured excitation energy spectra, asymmetry; deduced 5He hypernucleus formation, polarization.

doi: 10.1103/PhysRevLett.80.3471
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1998IN01      Nucl.Phys. A633, 312 (1998)

T.Inoue, M.Oka, T.Motoba, K.Itonaga

Non-Mesonic Weak Decays of Light Hypernuclei in the Direct Quark and the One-Pion Exchange Mechanisms

NUCLEAR STRUCTURE 4H, 4,5He; calculated hypernuclei non-mesonic decay rates; deduced contributions from one pion exchange, direct quark mechanisms. Comparison with data.

doi: 10.1016/S0375-9474(98)00005-0
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1997OB01      Phys.Rev. C56, 3295 (1997)

I.T.Obukhovsky, K.Itonaga, G.Wagner, A.J.Buchmann, A.Faessler

Pionic Decay of a Possible d' Dibaryon and the Short-Range NN Interaction

doi: 10.1103/PhysRevC.56.3295
Citations: PlumX Metrics


1996IT01      Nucl.Phys. A609, 422 (1996)

K.Itonaga, A.J.Buchmann, G.Wagner, A.Faessler

Pionic Decay of a Possible d' Dibaryon

doi: 10.1016/S0375-9474(96)00278-3
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1994IT01      Phys.Rev. C49, 1045 (1994)

K.Itonaga, T.Motoba, O.Richter, M.Sotona

Hypernuclear and (Lambda)-Spin Polarizations Produced in the (π+, K+) Reaction

NUCLEAR REACTIONS 13,12C, 16O, 10,11B, 14N(π+, K+), E at 1.04 GeV/c; calculated σ(θ), polarization vs excitation energy. DWIA, configuration-mixed wave functions.

doi: 10.1103/PhysRevC.49.1045
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1994IT07      Prog.Theor.Phys.(Kyoto), Suppl. 117, 17 (1994)

K.Itonaga, T.Motoba, M.Sotona

The (K-, π-) and (π+, K+) Reaction and Λ-Hypernuclear Polarization

NUCLEAR REACTIONS 1n(π+, X), (K-, X), E at 1-2.4 GeV/c; calculated Λ production σ(θ) vs E. 12C(K-, π-), E at 0.8, 1.1 GeV/c; 12C(π+, K+), E at 1.04, 1.06 GeV/c; 13C(K-, π-), E at 0.8 GeV/c; 13C(π+, K+), E at 1.04, 1.1 GeV/c; 16O(π+, K+), E at 1.04 GeV/c; 16O(K-, π-), E at 1.1 GeV/c; 10B(π+, K+), E at 1.04 GeV/c; calculated σ(θ), Λ hypernuclei production. DWBA, elementary spin-nonflip, spin-flip amplitudes, polarization studies included.

NUCLEAR STRUCTURE A=11; A=12; calculated hypernuclei levels.

doi: 10.1143/PTPS.117.17
Citations: PlumX Metrics


1994MO22      Nucl.Phys. A577, 293c (1994)

T.Motoba, K.Itonaga

(Lambda)-Spin Polarization in Nuclear Medium and Hypernuclear Weak Decay

NUCLEAR REACTIONS 12C(π+, K+), E at 1.04 GeV/c; 12C(π-, K-), E at 1.1 GeV/c; calculated σ(θ) vs excitation, polarizations for lambda hypernuclei. Other reactions discussed.

doi: 10.1016/0375-9474(94)90870-2
Citations: PlumX Metrics


1994MO49      Prog.Theor.Phys.(Kyoto), Suppl. 117, 123 (1994)

T.Motoba, M.Sotona, K.Itonaga

Photoproduction of Polarized Hypernuclei

NUCLEAR REACTIONS 1H(γ, X), E=1-2 GeV; calculated Λ production σ(θ), polarization vs E. 10B, 12C, 16O(γ, K+), E at 1.2 GeV/c; 16O(π+, K+), E at 1.04 GeV/c; calculated σ(θ), polarization for hypernuclei production. Phenomenological elementary process parametrization.

doi: 10.1143/PTPS.117.123
Citations: PlumX Metrics


1994MO50      Prog.Theor.Phys.(Kyoto), Suppl. 117, 477 (1994)

T.Motoba, K.Itonaga

Pi-Mesonic Weak Decay Rates of Light-to-Heavy Hypernuclei

NUCLEAR STRUCTURE A=7-15; calculated π-mesonic decay rates for hypernuclei.

doi: 10.1143/PTPS.117.477
Citations: PlumX Metrics


1992IT02      Nucl.Phys. A547, 57c (1992)

K.Itonaga, T.Motoba, O.Richter, M.Sotona

Hypernuclear and (Lambda)-Spin Polarizations in the (π+, K+) and (K-, π-) Reactions

NUCLEAR REACTIONS 12C(π+, K+), E at 1.04 GeV/c; 12C(K-, π-), E at 1.1 GeV/c; calculated σ(θ), hypernuclei, lambda-spin polarizations, proton asymmetry.

doi: 10.1016/0375-9474(92)90709-S
Citations: PlumX Metrics


1992MO27      Czech.J.Phys. B42, 1143 (1992)

T.Motoba, K.Itonaga

Hypernuclear Production Induced by In-Flight K and π

NUCLEAR REACTIONS 56Fe(K-, π-), E at 720 MeV/c; 56Fe, 208Pb(π+, K+), E at 1040 MeV/c; 12C(K-, π-), E at 800 MeV/c; 12C, 28Si(K-, π-), E at 0.7-1.5 GeV/c; 40Ca, 28Si(K-, K+), E at 1.6 GeV/c; 12C(K-, π-), E at 800 MeV/c; 90Zr, 56Fe, 28Si(π+, K+), E at 1040 MeV/c; 89Y(π+, K+), E at 1050 MeV/c; analyzed data; deduced polarized hypernuclei production implications. DWIA.

doi: 10.1007/BF01591399
Citations: PlumX Metrics


1992SO23      Nucl.Phys. A547, 63c (1992)

M.Sotona, K.Itonaga, T.Motoba, O.Richter, J.Zofka

Production of Polarized Hypernuclei - Photoproduction versus (π, K) and (K, π) Reactions -

NUCLEAR REACTIONS 16O(π+, K+), E at 0.72-1.2 GeV/c; calculated σ(θ), hypernuclear, lambda-spin polarizations. 12C, 16O(γ, K+), E at 1.2 GeV/c; calculated σ(θ), hypernuclear polarization.

doi: 10.1016/0375-9474(92)90710-2
Citations: PlumX Metrics


1990IT02      Prog.Theor.Phys.(Kyoto) 84, 291 (1990)

K.Itonaga, T.Motoba, H.Bando

p-Shell Hypernuclei via (K-, π-), (π+, K+) and (Stopped K-, π-) Reactions - A Systematic Calculation with Configuration Mixing -

NUCLEAR REACTIONS 14N, 13,12C(K-, π-), E at 800 MeV/c; 12C(π+, K+), E at 1040 MeV/c; calculated σ(θ); 15N, 10B(K-, π-), E at 800 MeV/c; 15N(π+, K+), E at 1040 MeV/c; 15N(K-, π-), E at rest; calculated relative excitation strength vs hypernucleus excitation. Configuration mixed shell model, DWIA.

doi: 10.1143/ptp/84.2.291
Citations: PlumX Metrics


1989IT04      Nuovo Cim. 102A, 501 (1989)

K.Itonaga

π-Mesonic Decay of p-Shell (Lambda) Hypernuclei

NUCLEAR STRUCTURE 12C; calculated p-shell π-decay. Hypernuclei.

doi: 10.1007/BF02734869
Citations: PlumX Metrics


1988IT02      Z.Phys. A330, 209 (1988)

K.Itonaga, T.Motoba, H.Bando

Pi-Mesonic Decay of Hypernuclei and Pion Wavefunction

NUCLEAR REACTIONS 12C, 16O(π+, π+), E=20, 30, 40 MeV; 12C, 16O(π-, π-), E=30 MeV; calculated σ(θ).


1988IT03      Prog.Theor.Phys.(Kyoto) 80, 517 (1988)

K.Itonaga, S.Nagata

Heavy Ion Collision with Friction Model

NUCLEAR REACTIONS 16O(16O, 16O), E=80-240 MeV; calculated potential features, parameter dependence; deduced fusion window energy.

doi: 10.1143/PTP.80.517
Citations: PlumX Metrics


1988MA58      Z.Phys. A331, 89 (1988)

R.Mach, J.Zofka, K.Itonaga, T.Motoba, H.Bando

Pions in Nuclear Interior - Sensitive Test by Hypernuclear Decay


1981IT03      Prog.Theor.Phys.(Kyoto) 66, 2103 (1981)

K.Itonaga

Shell and Alpha-Cluster-Like States in 44Ti

NUCLEAR STRUCTURE 44Ti; calculated levels, B(E2), Sα. Shell, α-cluster models.

doi: 10.1143/PTP.66.2103
Citations: PlumX Metrics


1979MO18      Prog.Theor.Phys.Suppl. No.65, 136 (1979)

T.Motoba, K.Itonaga

Chapter V. Structure of Light fp-Shell Nuclei. Effects of Core-Excitation and α-Clustering Correlation

NUCLEAR STRUCTURE 42Sc, 44Ti, 44Ca; calculated energy levels, B(E2). Shell-model, core-polarization renormalization, realistic effective interaction, quadrupole-quadrupole term.

doi: 10.1143/PTPS.65.136
Citations: PlumX Metrics


1977SU01      Nucl.Phys. A282, 53 (1977)

T.Suehiro, K.Miura, Y.Hiratate, H.Yokomizo, K.Itonaga, H.Ohnuma

The 54Fe(p, t)52Fe Reaction at 52 MeV

NUCLEAR REACTIONS 54Fe(p, t), E=51.9 MeV; measured σ(θ, Et). 52Fe deduced levels, J, π, transition strength. 54Fe enriched target.

doi: 10.1016/0375-9474(77)90170-1
Citations: PlumX Metrics


1974IT01      Progr.Theor.Phys. 52, 487 (1974)

K.Itonaga

Four-Hole Structure in Fe Isotopes

NUCLEAR STRUCTURE 52,53,54Fe; calculated levels.

doi: 10.1143/PTP.52.487
Citations: PlumX Metrics


1974SU02      Nucl.Phys. A220, 461 (1974)

T.Suehiro, J.Kokame, Y.Ishizaki, H.Ogata, Y.Sugiyama, Y.Saji, I.Nonaka, K.Itonaga

Core-Excited States of 54Fe from the 56Fe(p, t)54Fe Reaction at 52 MeV

NUCLEAR REACTIONS 56Fe(p, t), Ep=51.9 MeV; measured σ(θ, Et). 54Fe deduced levels, J, π, transition strength.

doi: 10.1016/0375-9474(74)90128-6
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0096.


1970IT02      Progr.Theoret.Phys. 44, 1232 (1970)

K.Itonaga, H.Bando

On the Contraction of Deuteron Cluster in Li6

NUCLEAR STRUCTURE 6Li; analyzed deuteron cluster contraction.

doi: 10.1143/PTP.44.1232
Citations: PlumX Metrics


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