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NSR database version of May 24, 2024.

Search: Author = Y.Yamamoto

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2024IS02      Phys.Rev. C 109, 044317 (2024)

M.Isaka, T.Tada, M.Kimura, Y.Yamamoto

Excitation spectra of 15ΞC and 12ΞBe calculated with a ΞN interaction from lattice QCD

doi: 10.1103/PhysRevC.109.044317
Citations: PlumX Metrics


2023NA21      Phys.Rev. C 108, 024003 (2023)

M.M.Nagels, Th.A.Rijken, Y.Yamamoto

Extended-soft-core baryon-baryon model ESC16. IV. S = -3 and S = -4 hyperon-hyperon interactions

doi: 10.1103/PhysRevC.108.024003
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2023YA27      Phys.Rev. C 108, 035811 (2023)

Y.Yamamoto, N.Yasutake, Th.A.Rijken

Quark phases in neutron stars consistent with implications from NICER observations

doi: 10.1103/PhysRevC.108.035811
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2022YA06      Phys.Rev. C 105, 015804 (2022)

Y.Yamamoto, N.Yasutake, Th.A.Rijken

Quark-quark interaction and quark matter in neutron stars

doi: 10.1103/PhysRevC.105.015804
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2021CR01      Phys.Lett. B 816, 136210 (2021)

F.C.L.Crespi, A.Bracco, E.G.Lanza, A.Tamii, N.Blasi, F.Camera, O.Wieland, N.Aoi, D.L.Balabanski, S.Bassauer, A.S.Brown, M.P.Carpenter, J.J.Carroll, M.Ciemala, A.Czeszumska, P.J.Davies, V.Derya, L.M.Donaldson, Y.D.Fang, H.Fujita, G.Gey, H.T.Ha, M.N.Harakeh, T.Hashimoto, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, D.G.Jenkins, T.Klaus, N.Kobayashi, T.Koike, M.Krzysiek, M.K.Raju, M.Liu, A.Maj, L.Morris, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.G.Pickstone, N.Pietralla, D.Savran, J.M.Schmitt, M.Spieker, G.Steinhilber, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, T.Yamamoto, R.G.T.Zegers, X.Zhou, S.Zhu, A.Zilges

The structure of low-lying 1- states in 90, 94Zr from (α, α'γ) and (p, p'γ) reactions

NUCLEAR REACTIONS 90,94Zr(p, p'γ), E=80 MeV; 90,94Zr(α, α'γ), E=130 MeV; measured reaction products, Eγ, Iγ; deduced ratio of the measured yields, dipole states σ, transition densities, low-lying dipole strength. The array CAGRA with HPGe detectors.

doi: 10.1016/j.physletb.2021.136210
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021MO25      Phys.Rev. C 104, 054323 (2021)

L.Morris, D.G.Jenkins, M.N.Harakeh, J.Isaak, N.Kobayashi, A.Tamii, S.Adachi, P.Adsley, N.Aoi, A.Bracco, A.Brown, M.P.Carpenter, J.J.Carroll, S.Courtin, F.C.L.Crespi, P.J.Davies, G.Fruet, Y.D.Fang, H.Fujita, G.Gey, T.H.Hoang, N.Ichige, E.Ideguchi, A.Inoue, C.Iwamoto, T.Koike, M.Kumar Raju, M.L.Liu, D.Montanari, P.von Neumann-Cosel, S.Noji, H.J.Ong, D.Savran, J.M.Schmitt, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, R.G.T.Zegers, X.H.Zhou, S.Zhu

Search for in-band transitions in the candidate superdeformed band in 28Si

NUCLEAR REACTIONS 28Si(α, α'), E=130 MeV beam from K140 AVF cyclotron at the RCNP-Osaka; measured Eα, Iα using the Grand Raiden spectrometer, Eγ, Iγ, γγ-coin using CAGRA array of 12 HPGe clover detectors and four LaBr3 detectors. 28Si; deduced levels, J, π, bands; analyzed 4+ member in search of a superdeformed (SD) band, branching ratios of γ rays from the 4+ member, and B(E2); based on comparison of experimental B(E2) values with predicted B(E2) values from antisymmetrized molecular dynamics (AMD) calculations for a set of identified states in 28Si, strongly rejected hypothesized superdeformed band in this nuclide.

doi: 10.1103/PhysRevC.104.054323
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021ZA06      Phys.Rev. C 104, 014607 (2021)

J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu

Investigation of the isoscalar response of 24Mg to 6Li scattering

NUCLEAR REACTIONS 24Mg(6Li, 6Li'), E=100 MeV/nucleon; measured scattered 6Li particles, σ(θ) using Grand Raiden spectrometer and two position-sensitive multiwire drift chambers (MWDCs) and three plastic scintillators for particle identification and reconstructing their trajectories at RCNP-Osaka University; deduced differential σ(E, Q), angular momentum transfers by fitting with multipole-decomposition analysis (MDA) using DWBA calculations for angular-momentum transfers. 24Mg; deduced energies, widths, EWSR, isoscaler giant monopole resonance (ISGMR), isoscaler giant monopole resonance (ISGDR), isoscaler giant quadrupole resonance (ISGQR) strength functions from Lorentzian fits to data. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.

doi: 10.1103/PhysRevC.104.014607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2709. Data from this article have been entered in the XUNDL database. For more information, click here.


2020HI05      Phys.Rev.Lett. 124, 092501 (2020)

E.Hiyama, K.Sasaki, T.Miyamoto, T.Doi, T.Hatsuda, Y.Yamamoto, T.A.Rijken

Possible Lightest Ξ Hypernucleus with Modern ΞN Interactions

NUCLEAR STRUCTURE 3H, 3He, 4H, 4He, 5H, 5He; calculated binding energies by a high precision variational approach, the Gaussian expansion method.

doi: 10.1103/PhysRevLett.124.092501
Citations: PlumX Metrics


2020IS02      Phys.Rev. C 101, 024301 (2020)

M.Isaka, Y.Yamamoto, T.Motoba

Low-lying level structure of Λ hypernuclei and spin dependence of the ΛN interaction with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 6,8Li, 8,9Be, 9,10B, 12,13C, 14N, 15O; calculated levels, J, π of core nuclei of hypernuclei. 4He, 7,9Li, 9,10Be, 10,11B, 12,13C, 15N, 16O; calculated levels, J, π, binding energies, spin-spin and spin-orbit splittings of the p-shell hypernuclei within the framework of Hyper-antisymmetrized molecular dynamics (HyperAMD) with the ΛN G-matrix interaction derived from the baryon-baryon interaction, extended soft core (ESC) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.024301
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2020NA37      Phys.Rev. C 102, 054003 (2020)

M.M.Nagels, Th.A.Rijken, Y.Yamamoto

Extended-soft-core baryon-baryon model ESC16. III. S= -2 hyperon-hyperon/nucleon interactions

doi: 10.1103/PhysRevC.102.054003
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2020ZA05      Phys.Rev. C 101, 064609 (2020)

J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, I.Deloncle, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu

Reexamination of isoscalar giant resonances in 12C and 93Nb through 6Li scattering

NUCLEAR REACTIONS 12C, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; measured 6Li spectra, double-differential σ, and angular distributions for the isoscalar giant monopole resonances (ISGMRs) using the high-resolution Grand Raiden magnetic spectrometer at the RCNP-Osaka facility; deduced contribution of different angular momentum transfers to differential σ, energies, widths and E0 strength distribution of GMRs, EWSR, influence on GMRs due to nuclear structure. Angular distribution data fitted using multipole-decomposition analysis (MDA) and DWBA methods. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.

doi: 10.1103/PhysRevC.101.064609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2673. Data from this article have been entered in the XUNDL database. For more information, click here.


2019NA05      Phys.Rev. C 99, 044002 (2019)

M.M.Nagels, Th.A.Rijken, Y.Yamamoto

Extended-soft-core baryon-baryon model ESC16. I. Nucleon-nucleon scattering

doi: 10.1103/PhysRevC.99.044002
Citations: PlumX Metrics


2019NA06      Phys.Rev. C 99, 044003 (2019)

M.M.Nagels, Th.A.Rijken, Y.Yamamoto

Extended-soft-core baryon-baryon model ESC16. II. Hyperon-nucleon interactions

NUCLEAR STRUCTURE 13C, 16O, 28Si, 51V, 89Y, 139La, 208Pb; calculated energy spectra of hypernuclei by the G-matrix folding model derived from ESC16+, and compared with experimental data.

doi: 10.1103/PhysRevC.99.044003
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2018SU14      Phys.Rev. C 98, 015804 (2018)

C.Sullivan, R.G.T.Zegers, S.Noji, SamM.Austin, J.Schmitt, N.Aoi, D.Bazin, M.Carpenter, J.J.Carroll, H.Fujita, U.Garg, G.Gey, C.J.Guess, T.H.Hoang, M.N.Harakeh, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, T.Koike, N.Kobayashi, S.Lipschutz, M.Liu, P.von Neumann-Cosel, H.J.Ong, J.Pereira, M.Kumar Raju, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, Y.D.Fang, J.C.Zamora, S.Zhu, X.Zhou

The (6Li, 6Li* [3.56 MeV]) reaction at 100 MeV/u as a probe of Gamow-Teller transition strengths in the inelastic scattering channel

NUCLEAR REACTIONS 12C(6Li, 6Li'), E=100 MeV/nucleon; measured Eγ, Iγ, 6Li scattered particles, (6Li)γ-coin, double differential σ(θ, Eex) using CAGRA detector array for γ detection, and Grand Raiden magnetic spectrometer for analysis of charged particles at RCNP-Osaka; deduced Doppler-corrected (6Li)γ-coin spectrum, Gamow-Teller strengths, and isovector spin-transfer response in inelastic reaction channel by tagging the reaction with the 3.56-MeV γ-ray from the excited state of 6Li. 24Mg, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; reactions used for calibration, also it was not possible to isolate the isovector spin transfer excitations in the inelastic channel.

doi: 10.1103/PhysRevC.98.015804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2637. Data from this article have been entered in the XUNDL database. For more information, click here.


2018YO05      Nucl.Instrum.Methods Phys.Res. B425, 1 (2018)

T.Yoneda, J.Horikawa, S.Saijo, M.Arakawa, Y.Yamamoto, Y.Yamamoto

Stopping power for 4.8-6.8 MeV C ions along [110] and [111] directions in Si

NUCLEAR REACTIONS Si(C, X), E=4.8-6.8 MeV; measured reaction products; deduced backscattering spectra, average stopping power.

doi: 10.1016/j.nimb.2018.03.024
Citations: PlumX Metrics


2017IS05      Phys.Rev. C 95, 044308 (2017)

M.Isaka, Y.Yamamoto, Th.A.Rijken

Effects of a hyperonic many-body force on BΛ values of hypernuclei

NUCLEAR STRUCTURE 9Li, 9,10Be, 9,10,11,12B, 12,13,14C, 15N, 16,19O, 21Ne, 25,27Mg, 28Si, 32S, 40,48K, 40,41Ca, 51V, 59Fe; calculated mass dependence of binding energies of hypernuclei by adding strongly repulsive many-body effects (MBE) to the strongly repulsive multi-Pomeron exchange potential (MPP). Equation of state (EoS) of hyperon-mixed neutron-star matter. Antisymmetrized molecular dynamics for hypernuclei (HyperAMD) framework using ΛN G-matrix interactions from ESC14 and ESC12.

doi: 10.1103/PhysRevC.95.044308
Citations: PlumX Metrics


2017MA39      Phys.Rev. C 96, 014318 (2017)

D.A.Matters, F.G.Kondev, N.Aoi, Y.Ayyad, A.P.Byrne, M.P.Carpenter, J.J.Carroll, C.J.Chiara, P.M.Davidson, G.D.Dracoulis, Y.D.Fang, C.R.Hoffman, R.O.Hughes, E.Ideguchi, R.V.F.Janssens, S.Kanaya, B.P.Kay, T.Kibedi, G.J.Lane, T.Lauritsen, J.W.McClory, P.Nieminen, S.Noji, A.Odahara, H.J.Ong, A.E.Stuchbery, D.T.Tran, H.Watanabe, A.N.Wilson, Y.Yamamoto, S.Zhu

In-beam γ-ray spectroscopy studies of medium-spin states in the odd-odd nucleus 186Re

NUCLEAR REACTIONS 186W(d, 2n)186Re, E=12.5, 14.5 MeV; measured Eγ, Iγ, γγ-coin using Clover Array Gamma-Ray spectrometer for Advanced research (CAGRA) at RCNP, Osaka University, and CAESAR spectrometer at the 14UD Pelletron accelerator of the Australian National University. 186Re; deduced high-spin levels, J, π, K-shell conversion coefficients, multipolarities, bands, configurations, branching ratios and gK-gR values. Comparison with multi-quasiparticle blocking calculations.

doi: 10.1103/PhysRevC.96.014318
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017QU02      Phys.Rev. C 95, 044616 (2017)

W.W.Qu, G.L.Zhang, S.Terashima, T.Furumoto, Y.Ayyad, Z.Q.Chen, C.L.Guo, A.Inoue, X.Y.Le, H.J.Ong, D.Y.Pang, H.Sakaguchi, Y.Sakuragi, B.H.Sun, A.Tamii, I.Tanihata, T.F.Wang, R.Wada, Y.Yamamoto

Repulsive three-body force and channel-coupling effects via 12C+12C scattering at 100A MeV

NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=100 MeV/nucleon; measured scattered 12C using Grand Raiden high-resolution magnetic spectrometer, and 10B, 11C and other particles by the energy loss and time-of-flight (TOF) information, differential cross sections for the ground state, 4.44 MeV, 2+ state, and the sum of the 7.65 MeV, 0+ and the 9.64 MeV, 3- states in 12C using the Ring Cyclotron facility at RCNP-Osaka. Comparison with microscopic coupled-channel calculations, using the double folding method with three different complex G-matrix interactions, the ESC, CEG07b, and MPa.

doi: 10.1103/PhysRevC.95.044616
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2546.


2017YA29      Phys.Rev. C 96, 065804 (2017)

Y.Yamamoto, H.Togashi, T.Tamagawa, T.Furumoto, N.Yasutake, Th.A.Rijken

Neutron-star radii based on realistic nuclear interactions

doi: 10.1103/PhysRevC.96.065804
Citations: PlumX Metrics


2016FU01      Acta Phys.Pol. B47, 853 (2016)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Approach to High-density Nuclear Matter via Nucleus-Nucleus Elastic Scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=70 MeV/nucleon; analyzed available data; calculated σ.

doi: 10.5506/APhysPolB.47.853
Citations: PlumX Metrics


2016FU13      Phys.Rev. C 94, 044620 (2016)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Medium effect in high-density nuclear matter probed by a systematic analysis of nucleus-nucleus elastic scattering

NUCLEAR REACTIONS 16O(16O, 16O), (16O, X), E=70 MeV/nucleon; calculated real and imaginary parts of the double-folding (DF) potential, σ(θ) for elastic scattering and total reaction σ using different interactions. 12C, 28Si, 40Ca, 90Zr, 208Pb(16O, 16O), E=93.9 MeV/nucleon; 12C(12C, 12C), E=84.7, 100, 120.75, 135, 200, 300, 400 MeV; calculated σ(θ). Double-folding (DF) potential with the complex G-matrix interaction including three-body-force (TBF) effect based on multi-Pomeron exchange potential (MPP) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.94.044620
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2016HI05      Phys.Scr. 91, 093001 (2016)

E.Hiyama, Y.Yamamoto, H.Sagawa

The structure of hypernuclei and hyperon mixing in neutron-star matter

NUCLEAR STRUCTURE 7,8,9,10Be, 8,9,10,11B, 11,12,13C, 27,28Si, 50,51V, 88,89Y, 138,139La, 207,208Pb, 6H, 6,7He, 20,21,22,23,24,25,26,27,28,29,30Ne, 40,41Ca; analyzed available hypernuclei data; calculated excited state energies and splittings, J, π, hyperon separation and binding energies, deformations, hyperonic neutron-star matter, energy density.

doi: 10.1088/0031-8949/91/9/093001
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2016IS11      Phys.Rev. C 94, 044310 (2016)

M.Isaka, Y.Yamamoto, Th.A.Rijken

Competing effects of nuclear deformation and density dependence of the ΛN interaction in BΛ values of hypernuclei

NUCLEAR STRUCTURE 9Li, 9,10Be, 9,10,11,12B, 12,13,14C, 15N, 16,19O, 21Ne, 25,27Mg, 28Si, 32S, 40,48K, 40,41Ca, 51V, 59Fe; calculated binding energies and quadrupole deformation parameters for hypernuclei, effect of deformation. Microscopic calculations based on baryon-baryon interaction extended soft core (ESC) model including many-body effects, and using G-matrix interaction. Comparison with experimental binding energies for hypernuclei.

doi: 10.1103/PhysRevC.94.044310
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2016TO06      Phys.Rev. C 93, 035808 (2016)

H.Togashi, E.Hiyama, Y.Yamamoto, M.Takano

Equation of state for neutron stars with hyperons using a variational method

doi: 10.1103/PhysRevC.93.035808
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2016YA01      Eur.Phys.J. A 52, 19 (2016)

Y.Yamamoto, T.Furumoto, N.Yasutake, Th.A.Rijken

Hyperon-mixed neutron star with universal many-body repulsion

NUCLEAR REACTIONS 16O(16O, 16O), E=70 MeV/nucleon; calculated σ(θ) using G-matrix folding potentials.

doi: 10.1140/epja/i2016-16019-0
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2015QU02      Phys.Lett. B 751, 1 (2015)

W.W.Qu, G.L.Zhang, S.Terashima, T.Furumoto, Y.Ayyad, Z.Q.Chen, C.L.Guo, A.Inoue, X.Y.Le, H.J.Ong, D.Y.Pang, H.Sakaguchi, Y.Sakuragi, B.H.Sun, A.Tamii, I.Tanihata, T.F.Wang, R.Wada, Y.Yamamoto

Effects of repulsive three-body force in 12C + 12C scattering at 100A MeV

NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=100 MeV/nucleon; measured reaction products; deduced σ(θ). Three double-folding models with complex G-matrix interactions, the CEG07b, MPa, and ESC model calculations.

doi: 10.1016/j.physletb.2015.10.008
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2494.


2014FU09      Phys.Rev. C 90, 041601 (2014)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Medium effect in the high-density region probed by nucleus-nucleus elastic scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=70 MeV/nucleon; calculated double-folding potential dependency on density, elastic σ(θ) using double-folding model with the complex G-matrix interaction and three-body-force (TBF) effect. Investigated medium effect dependency on density. Comparison with experimental results.

doi: 10.1103/PhysRevC.90.041601
Citations: PlumX Metrics


2014IS02      Phys.Rev. C 89, 024310 (2014)

M.Isaka, K.Fukukawa, M.Kimura, E.Hiyama, H.Sagawa, Y.Yamamoto

Superdeformed Λ hypernuclei with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 41Ca, 46,48Sc; calculated levels, J, π, deformation parameters, B(E2), Λ-N interaction strength, Λ-separation, rms radii, intrinsic density distributions, normal and superdeformed bands, electric quadrupole moments for hypernuclei. 40Ca, 45,47Sc; calculated levels, J, π, normal and superdeformed bands, intrinsic density distributions. Deformed basis antisymmetrized molecular dynamics (AMD) model with the generator coordinate method (GCM). Comparison with experimental data.

doi: 10.1103/PhysRevC.89.024310
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2014YA26      Phys.Rev. C 90, 045805 (2014)

Y.Yamamoto, T.Furumoto, N.Yasutake, Th.A.Rijken

Hyperon mixing and universal many-body repulsion in neutron stars

NUCLEAR REACTIONS 16O(16O, 16O), E=70 MeV/nucleon; analyzed differential elastic σ(θ) data with the G-matrix folding potentials; deduced multi-Pomeron exchange potential (MPPs) and used as input to hyperon mixing in neutron stars.

NUCLEAR STRUCTURE 13C, 28Si, 51V, 89Y, 139La, 208Pb; calculated energy spectra of hypernuclei using MPPs deduced from analysis of 16O(16O, 16O) reaction, composition of hyperonic neutron-star matter in the case of extended soft core (ESC) baryon-baryon interaction, equation of state (EoS) in neutron matter with hyperon mixing; derived mass-radius relations of neutron stars. Comparison with experimental data for energy spectra of hypernuclei.

doi: 10.1103/PhysRevC.90.045805
Citations: PlumX Metrics


2013HI03      Nucl.Phys. A908, 29 (2013)

E.Hiyama, S.Ohnishi, M.Kamimura, Y.Yamamoto

Four-body structure of neutron-rich hypernucleus 6ΛH

NUCLEAR STRUCTURE 6H; calculated λ hypernucleus 6H radial density distribution using tnnΛ four-body cluster model; deduced 6ΛH ground state as a resonant state.

doi: 10.1016/j.nuclphysa.2013.04.001
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2013UE01      Phys.Rev. C 87, 034316 (2013)

H.Ueno, H.Miyatake, Y.Yamamoto, S.Tanimoto, T.Shimoda, N.Aoi, K.Asahi, E.Ideguchi, M.Ishihara, H.Izumi, T.Kishida, T.Kubo, S.Mitsuoka, Y.Mizoi, M.Notani, H.Ogawa, A.Ozawa, M.Sasaki, T.Shirakura, N.Takahashi, K.Yoneda

β-delayed neutron and γ-ray spectroscopy of 17C utilizing spin-polarized 17B

RADIOACTIVITY 17B(β-), (β-n), (β-2n)[spin polarized 17B beam from β-NMR technique in 93Nb(22Ne, X), E=110 MeV/nucleon reaction]; 16,17C, 17N(β-), (β-n)[from 17B decay]; 15C, 16N(β-)[from 17B decay products]; measured Eγ, Iγ, Eβ, Iβ, E(n) by TOF, I(n), β-NMR, βγ-, βγγ-, βnγ-coin at RIKEN facility. 17C; deduced levels, J, π, widths, P(0n), P(1n), P(2n), B(GT). 15,16C, 15,17N; deduced levels. No γ rays observed for delayed-3n and delayed-4n channels of 17B decay, thus P(3n), P(4n) not determined. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.87.034316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2013YA15      Phys.Rev. C 88, 022801 (2013)

Y.Yamamoto, T.Furumoto, N.Yasutake, Th.A.Rijken

Multi-Pomeron repulsion and the neutron-star mass

NUCLEAR REACTIONS 16O(16O, 16O), E=70 MeV/nucleon; analyzed σ(θ) data using G-matrix folding potential derived from extended soft core (ESC) model with three-nucleon interaction (TNA) and multi-Pomeron exchange potential (MPP); deduced fitting parameters for the neutron matter equation of state (EoS); calculated neutron-star mass by solving the Tolmann-Oppenheimer-Volkof equation.

doi: 10.1103/PhysRevC.88.022801
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2012FU04      Phys.Rev. C 85, 044607 (2012); Erratum Phys.Rev. C 85, 069901 (2012)

T.Furumoto, W.Horiuchi, M.Takashina, Y.Yamamoto, Y.Sakuragi

Global optical potential for nucleus-nucleus systems from 50 MeV/u to 400 MeV/u

NUCLEAR REACTIONS 16O(16O, 16O), E=21.9, 30, 44, 70 MeV/nucleon; 12C(16O, 16O), E=20.6, 38, 93.9 MeV/nucleon; 12C(12C, 12C), E=25, 30, 84.7, 120.75, 135, 200 MeV/nucleon; 28Si, 40Ca, 208Pb(16O, 16O), E=93.9 MeV/nucleon; 60Ni, 120Sn, 208Pb(40Ar, 40Ar), E=44 MeV/nucleon; 40Ca(14C, 14C), (16C, 16C), (18C, 18C), (20C, 20C), (22C, 22C)(18O, 18O), (20O, 20O), (22O, 22O), (24O, 24O), E=100 MeV/nucleon; 40Ca(30Ne, 30Ne), (70Ca, 70Ca), E=100, 200, 300, 400 MeV/nucleon; calculated folding-model potentials (FMPs) elastic scattering cross sections as a function of momentum transfer. New global optical potential (GOP) in 50-400 MeV/nucleon range from microscopic CEG07 folding model with Sao Paulo density. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.044607
Citations: PlumX Metrics


2012FU09      Prog.Theor.Phys.(Kyoto), Suppl. 196, 219 (2012)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Dynamical Evolution of Heavy-Ion Scattering in the High-Energy Region

NUCLEAR REACTIONS 12C(12C, 12C), E=100, 200, 300, 400 MeV; calculated Rutherford ratio of elastic σ, σ(θ); deduced dynamical polarization potential.

doi: 10.1143/PTPS.196.219
Citations: PlumX Metrics


2012FU13      J.Phys.:Conf.Ser. 381, 012092 (2012)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Prediction of repulsive potential for high-energy heavy-ion scatterings

NUCLEAR REACTIONS 12C(12C, 12C), E=100, 200, 300, 400 MeV/nucleon; calculated σ(q) and its decomposition into near- and far-side using DFM (double-folding model) potentials with G-matrix NN interactions CEG07.

doi: 10.1088/1742-6596/381/1/012092
Citations: PlumX Metrics


2012HI04      Prog.Theor.Phys.(Kyoto) 128, 105 (2012)

E.Hiyama, Y.Yamamoto

Structure of 10ΛBe and 10ΛB Hypernuclei Studied with the Four-Body Cluster Model

NUCLEAR STRUCTURE 10Be, 10B; calculated hypernuclei low-lying state energies, J, π, density distributions, separation energies. For-body cluster model, comparison with available data.

doi: 10.1143/PTP.128.105
Citations: PlumX Metrics


2012ZH12      Nucl.Phys. A881, 288 (2012)

Y.Zhang, E.Hiyama, Y.Yamamoto

Structure of 10ΛBe studied with the four-body cluster model

NUCLEAR STRUCTURE 10Be; calculated Λ hypernucleus levels, J, π using four-body cluster model; deduced inversion between 0+, 1+1 states and 3- and 2-2 states.

doi: 10.1016/j.nuclphysa.2012.02.007
Citations: PlumX Metrics


2011FU16      J.Phys.:Conf.Ser. 312, 082022 (2011)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Role of Three-Body Forces in Proton and Heavy-Ion Scatterings

NUCLEAR REACTIONS 12C(p, p), E=122 MeV; calculated σ(θ), analyzing power. 12C, 28Si, 40Ca(16O, 16O), E=93.9 MeV/nucleon;16O(16O, 16O), E=70 MeV/nucleon;12C(12C, 12C), E=135 MeV/nucleon; calculated σ(θ). Complex G-matrix CEG-07 with three-body forces. Compared with data.

doi: 10.1088/1742-6596/312/4/082022
Citations: PlumX Metrics


2011HA12      Phys.Rev. C 83, 034002 (2011)

K.Harada, H.Kubo, Y.Yamamoto

Pions are neither perturbative nor nonperturbative: Wilsonian renormalization-group analysis of nuclear effective field theory including pions

doi: 10.1103/PhysRevC.83.034002
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2011SA39      Phys.Rev. C 84, 024604 (2011)

S.Sakaguchi, Y.Iseri, T.Uesaka, M.Tanifuji, K.Amos, N.Aoi, Y.Hashimoto, E.Hiyama, M.Ichikawa, Y.Ichikawa, S.Ishikawa, K.Itoh, M.Itoh, H.Iwasaki, S.Karataglidis, T.Kawabata, T.Kawahara, H.Kuboki, Y.Maeda, R.Matsuo, T.Nakao, H.Okamura, H.Sakai, Y.Sasamoto, M.Sasano, Y.Satou, K.Sekiguchi, M.Shinohara, K.Suda, D.Suzuki, Y.Takahashi, A.Tamii, T.Wakui, K.Yako, M.Yamaguchi, Y.Yamamoto

Analyzing power in elastic scattering of 6He from a polarized proton target at 71 MeV/nucleon

NUCLEAR REACTIONS 1H(6He, 6He), [6He secondary beam from 9Be(12C, X), E=92 MeV/nucleon primary reaction], E=71 MeV/nucleon; measured 6He and proton spectra, (6He)(p)(q, φ), p(θ), vector analyzing powers, polarized target, σ(θ); deduced optical model parameters. Comparison with semimicroscopic analysis with an α+n+n cluster folding model.

doi: 10.1103/PhysRevC.84.024604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2287.


2011YA07      Int.J.Mod.Phys. E20, 863 (2011)

Y.Yamamoto, T.Togashi, K.Kato

Brueckner-AMD study of light nuclei

NUCLEAR STRUCTURE 4He, 7Li, 8,9Be, 11B, 12C; calculated low-lying energy levels, J, π, single-particle energies. Brueckner-AMD calculations, comparison with experimental data.

doi: 10.1142/S021830131101885X
Citations: PlumX Metrics


2010FU12      Phys.Rev. C 82, 044612 (2010)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Repulsive nature of optical potentials for high-energy heavy-ion scattering

NUCLEAR REACTIONS 12C(12C, 12C), 16O(16O, 16O), E=100, 200, 300, 400 MeV/nucleon; calculated differential σ, σ(θ), and potential energies using double-folding model (DFM) with complex G-matrix interaction.

doi: 10.1103/PhysRevC.82.044612
Citations: PlumX Metrics


2010FU14      Nucl.Phys. A835, 362c (2010)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Hyperon-nucleus folding potentials in the complex G-matrix approach

NUCLEAR REACTIONS 28Si(Σ0, Σ0), E=50-200 MeV; calculated σ(θ), analyzing power using G-matrix models ESC08 (Extended Soft-Core Model) and ESC04a.

doi: 10.1016/j.nuclphysa.2010.01.219
Citations: PlumX Metrics


2010HI01      Phys.Rev.Lett. 104, 212502 (2010)

E.Hiyama, M.Kamimura, Y.Yamamoto, T.Motoba

Five-Body Cluster Structure of the Double-Λ Hypernucleus 11ΛΛBe

NUCLEAR STRUCTURE 11Be; calculated energy levels of double hypernucleus; deduced observation of the ground state of 11ΛΛBe in KEK-E373 experiment.

doi: 10.1103/PhysRevLett.104.212502
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2010HI06      Prog.Theor.Phys.(Kyoto), Suppl. 185, 1 (2010)

E.Hiyama, T.Motoba, T.A.Rijken, Y.Yamamoto

Baryon-Baryon Interactions and Hypernuclei

doi: 10.1143/PTPS.185.1
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2010HI07      Prog.Theor.Phys.(Kyoto), Suppl. 185, 106 (2010)

E.Hiyama, M.Kamimura, Y.Yamamoto, T.Motoba, T.A.Rijken

S = -1 Hypernuclear Structure

NUCLEAR STRUCTURE 4H, 4,6,7He, 7Li, 7,9Be, 12,13C; calculated hypernucleus excitation energies, splittings, n-p relative and probability densities, B(E2). Comparison with experimental data.

doi: 10.1143/PTPS.185.106
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2010HI08      Prog.Theor.Phys.(Kyoto), Suppl. 185, 152 (2010)

E.Hiyama, M.Kamimura, Y.Yamamoto, T.Motoba, T.A.Rijken

S = -2 Hypernuclear Structure

NUCLEAR STRUCTURE 5,7H, 7He, 7,8,9,10Li, 9,10,11,12Be; calculated double hypernucleus energy levels and ground state J, π, rms radii, density distribution, binding energies. Cluster model and the Gaussian Expansion Method (GEM).

doi: 10.1143/PTPS.185.152
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
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2010RI07      Prog.Theor.Phys.(Kyoto), Suppl. 185, 14 (2010)

T.A.Rijken, M.M.Nagels, Y.Yamamoto

Baryon-Baryon Interactions -Nijmegen Extended-Soft-Core Models-

doi: 10.1143/PTPS.185.14
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2010RI09      Nucl.Phys. A835, 160c (2010)

Th.A.Rijken, M.M.Nagels, Y.Yamamoto

Status of understanding the YN/YY-interactions Meson-exchange viewpoint

doi: 10.1016/j.nuclphysa.2010.01.189
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2010UE01      Phys.Rev. C 82, 021602 (2010)

T.Uesaka, S.Sakaguchi, Y.Iseri, K.Amos, N.Aoi, Y.Hashimoto, E.Hiyama, M.Ichikawa, Y.Ichikawa, S.Ishikawa, K.Itoh, M.Itoh, H.Iwasaki, S.Karataglidis, T.Kawabata, T.Kawahara, H.Kuboki, Y.Maeda, R.Matsuo, T.Nakao, H.Okamura, H.Sakai, Y.Sasamoto, M.Sasano, Y.Satou, K.Sekiguchi, M.Shinohara, K.Suda, D.Suzuki, Y.Takahashi, M.Tanifuji, A.Tamii, T.Wakui, K.Yako, Y.Yamamoto, M.Yamaguchi

Analyzing power for proton elastic scattering from the neutron-rich 6He nucleus

NUCLEAR REACTIONS 1H(6He, 6He), E=71 MeV/nucleon; measured σ(θ), vector analyzing power, polarized proton solid target. Comparison with t-matrix and g-matrix microscopic folding calculations. Discussed α-core distribution in 6He.

doi: 10.1103/PhysRevC.82.021602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2287.


2010YA12      Prog.Theor.Phys.(Kyoto) 124, 315 (2010)

Y.Yamamoto, T.Togashi, K.Kato

Tensor Force Effects on α-α Clustering of 8Be

NUCLEAR STRUCTURE 8Be; calculated binding and single-particle energies, angular momenta, energy surfaces, α-α clustering.

doi: 10.1143/PTP.124.315
Citations: PlumX Metrics


2010YA18      Prog.Theor.Phys.(Kyoto), Suppl. 185, 72 (2010)

Y.Yamamoto, T.Motoba, T.A.Rijken

G-Matrix Approach to Hyperon-Nucleus Systems

NUCLEAR STRUCTURE 11B, 12C, 16O, 28Si, 40Ca, 90Zr; calculated hypernucleus single-particle energies, conversion widths, Coulomb force contribution. ESC08 interaction model, comparison with experimental data.

doi: 10.1143/PTPS.185.72
Citations: PlumX Metrics


2010YA25      Nucl.Phys. A835, 350c (2010)

Y.Yamamoto, E.Hiyama, Th.A.Rijken

Hypernuclear properties derived from the new interaction model ESC08

NUCLEAR STRUCTURE 7H; calculated Ξ- hypernucleus levels, J, π using G-matrix models ESC08 (Extended Soft-Core Model) and ESC04.

doi: 10.1016/j.nuclphysa.2010.01.216
Citations: PlumX Metrics


2009FU01      Phys.Rev. C 79, 011601 (2009)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Three-body-force effect on nucleus-nucleus elastic scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=70 MeV/nucleon; calculated σ(θ). Three-body force. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.011601
Citations: PlumX Metrics


2009FU11      Phys.Rev. C 80, 044614 (2009); Erratum Phys.Rev. C 82, 029908 (2010)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

Effect of repulsive and attractive three-body forces on nucleus-nucleus elastic scattering

NUCLEAR REACTIONS 16O(16O, 16O), E=21.875, 70, 100, 200, 300, 400 MeV/nucleon; 12C, 28Si, 40Ca(16O, 16O), E=93.9 MeV/nucleon; 12C(12C, 12C), E=135 MeV/nucleon; calculated σ, σ(θ), folding model potentials, and rms radii using Brueckner theory for nucleon-nucleon effective interaction in complex G-matrix formalism. Investigated the effects of the three-body force (TBF) in nucleon-nucleus elastic scattering.

doi: 10.1103/PhysRevC.80.044614
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2009HI12      Phys.Rev. C 80, 054321 (2009)

E.Hiyama, Y.Yamamoto, T.Motoba, M.Kamimura

Structure of A=7 iso-triplet Λ hypernuclei studied with the four-body cluster model

NUCLEAR STRUCTURE 6He, 6Li, 6Be, 7He, 7Li, 7Be; calculated levels, J, π, total interaction energies, and density distributions of hypernuclei using four-body cluster model.

doi: 10.1103/PhysRevC.80.054321
Citations: PlumX Metrics


2009MO40      Nucl.Phys. A827, 318c (2009)

T.Motoba, S.Sugimoto, E.Hiyama, Y.Yamamoto, Th.A.Rijken, M.Kamimura

Structure and production of p-shell Ξ-hypernuclei predicted with realistic interactions

doi: 10.1016/j.nuclphysa.2009.05.065
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2008FU13      Phys.Rev. C 78, 044610 (2008)

T.Furumoto, Y.Sakuragi, Y.Yamamoto

New complex G-matrix interactions derived from two- and three-body forces and application to proton-nucleus elastic scattering

NUCLEAR REACTIONS 12C, 40Ca, 90Zr, 208Pb(p, p), E=65-200 MeV; calculated σ, σ(θ), analyzing powers, neutron densities. Complex G-matrix interactions with three-body force.

doi: 10.1103/PhysRevC.78.044610
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2008HI16      Phys.Rev. C 78, 054316 (2008)

E.Hiyama, Y.Yamamoto, T.Motoba, Th.A.Rijken, M.Kamimura

Light Ξ hypernuclei in four-body cluster models

NUCLEAR STRUCTURE 5,7H, 9,10Li, 12Be; calculated level energies, density distributions, binding energies, rms radii. Gaussian expansion method. Hypernuclei.

doi: 10.1103/PhysRevC.78.054316
Citations: PlumX Metrics


2008MO06      Nucl.Phys. A804, 99 (2008)

T.Motoba, D.E.Lanskoy, D.J.Millener, Y.Yamamoto

Λ spin-orbit splitting in heavy hypernuclei as deduced from DWIA analyses of the 89Y(π+, K+)89ΛY reaction

NUCLEAR REACTIONS 89Y(π+, K+), E at 1.05 GeV/c; calculated hypernuclei production σ(θ) and excitation spectra using DWIA. 89Y deduced hypernuclei levels, J, π.

doi: 10.1016/j.nuclphysa.2008.01.026
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2008RI01      Nucl.Phys. A804, 51 (2008)

Th.A.Rijken, Y.Yamamoto

Recent soft-core baryon-baryon interactions

doi: 10.1016/j.nuclphysa.2007.12.016
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2008YA11      Nucl.Phys. A804, 139 (2008)

Y.Yamamoto, Th.A.Rijken

S = -2 hypernuclei based on the ESC04 model

doi: 10.1016/j.nuclphysa.2007.12.005
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2007HI09      Nucl.Phys. A790, 646c (2007)

E.Hiyama, Y.Yamamoto, Th.A.Rijken, T.Motoba

Few-body aspects of hypernuclear physics

NUCLEAR STRUCTURE 7Li; calculated hypernucleus level energies, J, π. Spin-dependent ΛN interaction features. Four-body model.

doi: 10.1016/j.nuclphysa.2007.03.110
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2006HI11      Phys.Rev. C 74, 054312 (2006)

E.Hiyama, Y.Yamamoto, Th.A.Rijken, T.Motoba

Four-body structure of 7ΛLi and Λn spin-dependent interaction

NUCLEAR STRUCTURE 7Li; calculated hypernucleus level energies, spin-dependent ΛN interaction features. Four-body model.

doi: 10.1103/PhysRevC.74.054312
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2006RI05      Phys.Rev. C 73, 044008 (2006)

Th.A.Rijken, Y.Yamamoto

Extended-soft-core baryon-baryon model. II. Hyperon-nucleon interaction

doi: 10.1103/PhysRevC.73.044008
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2006TA06      Prog.Theor.Phys.(Kyoto) 115, 355 (2006)

T.Takatsuka, S.Nishizaki, Y.Yamamoto, R.Tamagaki

Occurrence of Hyperon Superfluidity in Neutron Star Cores

doi: 10.1143/PTP.115.355
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2005HI13      Nucl.Phys. A754, 103c (2005)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Three- and four-body structure of light double Λ hypernuclei

NUCLEAR STRUCTURE 6,7He, 7,8,9Li, 9,10Be; calculated two-Λ hypernucleus levels, J, π. Four-body model.

doi: 10.1016/j.nuclphysa.2004.12.075
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2005IS08      Phys.Rev. C 72, 027601 (2005); Erratum Phys.Rev. C 72, 039901 (2005)

S.Ishikawa, M.Tanifuji, Y.Iseri, Y.Yamamoto

Relationships among depolarizations in scattering of polarized protons from 3He at intermediate energies

NUCLEAR REACTIONS 3He(polarized p, p), E=800 MeV; calculated depolarization observables, spin-spin and spin-independent interaction contributions.

doi: 10.1103/PhysRevC.72.027601
Citations: PlumX Metrics


2005RI08      Nucl.Phys. A754, 27c (2005)

Th.A.Rijken, Y.Yamamoto

Recent soft-core baryon-baryon interactions

doi: 10.1016/j.nuclphysa.2005.01.012
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2005WA19      Nucl.Phys. A754, 327c (2005)

T.Watanabe, S.Endo, Y.Fujii, O.Hashimoto, K.Hirose, T.Ishikawa, K.Ito, H.Kanda, M.Katoh, T.Kinoshita, O.Konno, K.Maeda, A.Matsumura, Y.Miura, F.Miyahara, H.Miyase, K.Mizunuma, T.Nakabayashi, S.N.Nakamura, H.Nomura, Y.Okayasu, T.Osaka, A.Otani, M.Oyamada, A.Sasaki, T.Sato, H.Shimizu, T.Takahashi, T.Tamae, H.Tamura, T.Terasawa, H.Tsubota, K.Tsukada, M.Ukai, M.Utoyama, M.Wakamatsu, H.Yamauchi, Y.Yamaguchi, Y.Yamamoto, H.Yamazaki

K0 photoproduction on 12C in the threshold region

NUCLEAR REACTIONS 12C(γ, K0X), E=0.8-1.1 GeV; measured hyperon production associated invariant mass spectra, kaon production σ.

doi: 10.1016/j.nuclphysa.2005.02.157
Citations: PlumX Metrics


2004HI09      Nucl.Phys. A737, 138 (2004)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Few-body aspects of light hypernuclei

NUCLEAR STRUCTURE 8Be; calculated level energies. 4,6,7He, 7,8,9Li, 9,10Be, 13C; calculated energy levels, J, π for single and double Λ hypernuclei.

doi: 10.1016/S0375-9474(04)00307-0
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2004HI11      Nucl.Phys. A738, 175 (2004)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Clustering aspects of light hypernuclei

NUCLEAR STRUCTURE 7He, 7,8,9Li, 9,10Be; calculated double-Λ hypernuclei energy levels. Gaussian expansion method.

doi: 10.1016/j.nuclphysa.2004.04.028
Citations: PlumX Metrics


2004IS04      Phys.Rev. C 69, 034001 (2004)

S.Ishikawa, M.Tanifuji, Y.Iseri, Y.Yamamoto

Polarization phenomena in hyperon-nucleon scattering

doi: 10.1103/PhysRevC.69.034001
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2004LA02      Phys.Rev. C 69, 014303 (2004)

D.E.Lanskoy, Y.Yamamoto

Hyperonic mixing in five-baryon double-strangeness hypernuclei in a two-channel treatment

NUCLEAR STRUCTURE 5H, 5He; calculated two-Λ hypernucleus binding energies, hyperonic mixing, related features. Two-channel approach.

doi: 10.1103/PhysRevC.69.014303
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2004NI19      Prog.Theor.Phys.(Kyoto), Suppl. 156, 154 (2004)

S.Nishizaki, Y.Yamamoto, T.Takatsuka

Hyperon Mixing and EOS of Neutron Star Cores

doi: 10.1143/PTPS.156.154
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2004YA32      Prog.Theor.Phys.(Kyoto), Suppl. 156, 156 (2004)

Y.Yamamoto

YN and YY Interactions and Hypernuclei

doi: 10.1143/PTPS.156.156
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2003FU13      Nucl.Phys. A721, 1079c (2003)

Y.Fujii, O.Hashimoto, D.Honda, S.Kato, A.Matsumura, P.Markowitz, T.Miyoshi, S.N.Nakamura, H.Nomura, Y.Okayasu, T.Osaka, J.Reinhold, Y.Sato, T.Takahashi, H.Tamura, L.Tang, H.Yamaguchi, Y.Yamamoto, H.Yamauchi

New (e, e'K+) hypernuclear spectroscopy with a high resolution kaon spectrometer

doi: 10.1016/S0375-9474(03)01289-2
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2003HI24      Mod.Phys.Lett. A 18, 95 (2003)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Few-body aspects of hypernuclear physics

NUCLEAR STRUCTURE 4H, 4,7He, 7,8,9Li, 9,10Be; calculated Λ and ΛΛ hypernucleus level energies, J, π.

doi: 10.1142/S021773230301003X
Citations: PlumX Metrics


2003MI01      Phys.Rev. C 67, 014306 (2003)

H.Miyatake, H.Ueno, Y.Yamamoto, N.Aoi, K.Asahi, E.Ideguchi, M.Ishihara, H.Izumi, T.Kishida, T.Kishida, T.Kubo, S.Mitsuoka, Y.Mizoi, M.Notani, H.Ogawa, A.Ozawa, M.Sasaki, T.Shimoda, T.Shirakura, N.Takahashi, S.Tanimoto, K.Yoneda

Spin-parity assignments in 15C* by a new method: β-delayed spectroscopy for a spin-polarized nucleus

RADIOACTIVITY 15B, 17N(β-n) [from 9Be(22Ne, X)]; measured β asymmetry, β-delayed neutron spectra from spin-polarized source. 15C levels deduced J, π. β-NMR technique.

doi: 10.1103/PhysRevC.67.014306
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2002AO03      Phys.Rev. C66, 014301 (2002)

N.Aoi, K.Yoneda, E.Ideguchi, T.Kishida, T.Nakamura, M.Notani, H.Sakurai, T.Teranishi, Y.Watanabe, H.Wu, A.Yoshida, H.Miyatake, Y.Yamamoto, H.Ogawa, S.S.Yamamoto, M.Ishihara

Anomaly of N = 8 Shell Closure in Neutron-Rich Be and B Isotopes Studied via Delayed Neutron Emitting 14Be β Decay

RADIOACTIVITY 14Be(β-), (β-n) [from Be(18O, X)]; measured Eβ, β-delayed En, Eγ, nγ-coin, T1/2; deduced branching ratios, log ft. 14B deduced level J, π, width. 12,13,14B, 13C deduced feeding intensities.

doi: 10.1103/PhysRevC.66.014301
Citations: PlumX Metrics


2002HI01      Phys.Rev. C65, 011301 (2002)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Λ-Σ Conversion in Λ4He and Λ4H Based on a Four-Body Calculation

NUCLEAR STRUCTURE 4H, 4He; calculated hypernucleus levels, J, π; deduced role of Λ-Σ conversion. Four-body calculations.

doi: 10.1103/PhysRevC.65.011301
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2002HI15      Phys.Rev. C66, 024007 (2002)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Four-body cluster structure of A=7-10 double-Λ hypernuclei

NUCLEAR STRUCTURE 7He, 7,8,9Li, 9,10Be; calculated double-Λ hypernuclei level energies, J, π. Four-body cluster model.

doi: 10.1103/PhysRevC.66.024007
Citations: PlumX Metrics


2002NI09      Prog.Theor.Phys.(Kyoto) 108, 703 (2002)

S.Nishizaki, Y.Yamamoto, T.Takatsuka

Hyperon-Mixed Neutron Star Matter and Neutron Stars

doi: 10.1143/PTP.108.703
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2002TA06      Eur.Phys.J. A 13, 213 (2002)

T.Takatsuka, S.Nishizaki, Y.Yamamoto

Necessity of Extra Repulsion in Hypernuclear Systems: Suggestion from neutron stars

doi: 10.1007/s10050-002-8744-y
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2002TA29      Prog.Theor.Phys.(Kyoto), Suppl. 146, 279 (2002)

T.Takatsuka, S.Nishizaki, Y.Yamamoto, R.Tamagaki

Superfluidity of Hyperon-Mixed Neutron Stars

doi: 10.1143/PTPS.146.279
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2001HI05      Nucl.Phys. A684, 227c (2001)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Three- and Four-Body Structure of Light Hypernuclei

doi: 10.1016/S0375-9474(01)00418-3
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2001HI09      Nucl.Phys. A691, 107c (2001)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Three- and Four-Body Structure of Light Λ Hypernuclei

NUCLEAR STRUCTURE 4H, 4He, 7Li, 9Be, 13C; calculated hypernucleus levels, spin-orbit splitting, B(E2), related features.

doi: 10.1016/S0375-9474(01)01015-6
Citations: PlumX Metrics


2001NI10      Prog.Theor.Phys.(Kyoto) 105, 607 (2001)

S.Nishizaki, Y.Yamamoto, T.Takatsuka

Effective YN and YY Interactions and Hyperon-Mixing in Neutron Star Matter - Y = Λ Case -

doi: 10.1143/PTP.105.607
Citations: PlumX Metrics


2001TA28      Nucl.Phys. A691, 254 (2001)

T.Takatsuka, S.Nishizaki, Y.Yamamoto, R.Tamagaki

Energy Gap of Hyperon Pairing in Hypernuclear Systems

doi: 10.1016/S0375-9474(01)01040-5
Citations: PlumX Metrics


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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2001YA12      Prog.Theor.Phys.(Kyoto) 106, 99 (2001)

Y.Yamamoto

A Construction of an Effective Hamiltonian from Feynman Diagrams - Application to the Light-Front Yukawa Model -

doi: 10.1143/PTP.106.99
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2001YA14      Prog.Theor.Phys.(Kyoto) 106, 363 (2001)

Y.Yamamoto, T.Tamagawa, T.Fukuda, T.Motoba

Ξ- Emission Probabilities at (K-, K+) Reaction Points and the ΞN Interaction

NUCLEAR REACTIONS 9Be(K-, K+), E not given; analyzed emission probabilities, related data. 1n, 1H(Ξ-, Ξ-), E at 200-700 MeV/c; calculated σ.

doi: 10.1143/PTP.106.363
Citations: PlumX Metrics


2001YA17      Nucl.Phys. A691, 432c (2001)

Y.Yamamoto, S.Nishizaki, T.Takatsuka

Hyperons in Neutron Stars

doi: 10.1016/S0375-9474(01)01069-7
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2000HI15      Phys.Rev.Lett. 85, 270 (2000)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

ΛN Spin-Orbit Splittings in Λ9Be and Λ13C Studied with One-Boson-Exchange ΛN Interactions

NUCLEAR STRUCTURE 9Be, 13C; calculated hypernuclei levels, J, π, spin-orbit splitting related features. One-boson exchange models, quark models.

doi: 10.1103/PhysRevLett.85.270
Citations: PlumX Metrics


2000YA16      Prog.Theor.Phys.(Kyoto) 103, 981 (2000)

Y.Yamamoto, S.Nishizaki, T.Takatsuka

Single-Particle Potentials and Effective Masses of Hyperons in Hyperonic Nuclear Systems

doi: 10.1143/PTP.103.981
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1999KU18      Prog.Theor.Phys.(Kyoto) 101, 615 (1999)

K.-I.Kubo, Y.Yamamoto, H.Toki

New Mechanisms for the Anomalous Spin Observables in High Energy Hyperon Productions

NUCLEAR REACTIONS 1H(polarized p, X), E=high; calculated hyperon spin observables; deduced primary ud quark mechanism.

doi: 10.1143/PTP.101.615
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1999NA23      Phys.Rev.Lett. 83, 690 (1999)

S.Nakayama, H.Akimune, Y.Arimoto, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, K.Fushimi, H.Kohri, N.Koori, K.Takahisa, T.Takeuchi, A.Tamii, M.Tanaka, T.Yamagata, Y.Yamamoto, K.Yonehara, H.Yoshida

Isovector Electric Monopole Resonance in 60Ni

NUCLEAR REACTIONS 60Ni(7Li, 7Be), E=65 MeV/nucleon; measured particle spectra, σ(θ). 60Ni deduced isovector resonances E, Γ.

doi: 10.1103/PhysRevLett.83.690
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1712.


1999RI01      Phys.Rev. C59, 21 (1999)

Th.A.Rijken, V.G.J.Stoks, Y.Yamamoto

Soft-Core Hyperon-Nucleon Potentials

doi: 10.1103/PhysRevC.59.21
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1998HI13      Nucl.Phys. A639, 169c (1998)

E.Hiyama, M.Kamimura, T.Motoba, T.Yamada, Y.Yamamoto

Four-Body Calculation of Λ4H and Λ4He with Realistic ΛN Interactions

NUCLEAR STRUCTURE 4H, 4He; calculated hypernuclei binding energieslevels, J, π. Four-body calculations, 3N + Λ model.

doi: 10.1016/S0375-9474(98)00267-X
Citations: PlumX Metrics


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