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NSR database version of April 11, 2024.

Search: Author = E.Hiyama

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2023IT01      Phys.Rev. C 107, 024309 (2023)

N.Itagaki, E.Hiyama

Cluster-shell competition and effect of adding hyperons

NUCLEAR STRUCTURE 8,9,10Be, 12,13,14C; calculated ground state-energies for 8Be, 12C and hypernuclei systems 8Be+Λ, 8Be+2Λ, 12C+Λ and 12C+2Λ, dependence of ground-state energies on α-α cluster distance. Antisymmetrized quasicluster model (AQCM). Comparison to available experimental values and calculations performed in the framework of traditional Brink model.

doi: 10.1103/PhysRevC.107.024309
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2023LA03      Phys.Rev.Lett. 130, 102501 (2023)

R.Lazauskas, E.Hiyama, J.Carbonell

Low Energy Structures in Nuclear Reactions with 4n in the Final State

NUCLEAR STRUCTURE 8He, 2,4NN; calculated strength and low energy four-neutron response functions with the AV18 nn interaction, low energy 4n response functions for the scaled nn MT13 potential; deduced the sharp low energy peak observed by studying the missing mass spectra of four neutrons as a consequence of dineutron-dineutron correlations.

doi: 10.1103/PhysRevLett.130.102501
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2023MY03      Phys.Rev. C 107, 054302 (2023)

T.Myo, E.Hiyama

Structure of neutron-rich He Λ hypernuclei using the cluster orbital shell model

NUCLEAR STRUCTURE 5,6,7,8,9He; calculated energy spectra of Λ hypernuclei and standard nuclei, J, π, Λ binding energies, decay width. 6,8He; calculated rms radii of the bound states. Calculations in the framework of an α+Λ+Xn (X=1-4) cluster model using the cluster orbital shell model (COSM). Comparison to available experimental data.

doi: 10.1103/PhysRevC.107.054302
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2022CH39      Eur.Phys.J. A 58, 161 (2022)

S.Choi, E.Hiyama, C.H.Hyun, M.-K.Cheoun

Effects of many-body interactions in hypernuclei with Korea-IBS-Daegu-SKKU functionals

NUCLEAR STRUCTURE 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb, Sn; analyzed available data; calculated properties of Λ hyperon in Λ-hypernuclei using an effective nuclear density functional theory which is based on the low-energy effective field theory.

doi: 10.1140/epja/s10050-022-00817-4
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2022HI06      Phys.Lett. B 833, 137367 (2022)

E.Hiyama, R.Lazauskas, J.Carbonell

7H ground state as a 3H+4n resonance

NUCLEAR STRUCTURE 3,4,5,7H, 4NN; analyzed available data; calculated S- and P-wave n-t phase shifts, resonant states, energy trajectories, eigenvalues of the 7H hamiltonian as a function of the stabilization parameter. The solution of the 5-body Schrodinger equation has been obtained by means of the variational Gaussian expansion approach and the resonance parameters.

doi: 10.1016/j.physletb.2022.137367
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2022HI10      Phys.Rev. C 106, 064001 (2022)

E.Hiyama, R.Lazauskas, J.Carbonell, T.Frederico

Scaling of the 19B two-neutron halo properties close to unitarity

NUCLEAR STRUCTURE 19B; calculated rms radii, S(2n), ground-state energy, n-17B scattering length, rms relative separation distances in the 17B+n+n system. Faddeev equation formalism in configuration space with Gaussian expansion method are used for solving three-body problem. Calculations with charge independent Bonn-A and charge dependent AV18 nn-interactions.

doi: 10.1103/PhysRevC.106.064001
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2022HI11      Phys.Rev. C 106, 064318 (2022)

E.Hiyama, M.Isaka, T.Doi, T.Hatsuda

Probing the ΞN interaction through inversion of spin-doublets in ΞNαα nuclei

NUCLEAR STRUCTURE 5He, 9Be; calculated energy levels for ΞNα and ΞΝαα hypernuclei, phase shifts, density distributions of α, Ξ and the valence nucleon N. Found evidences of spin doublet bound state in ΞNαα, while pointed that it's unlikely that ΞNα has bound states. Calculations using Gaussian expansion method (GEM) for three-and four-body cluster models and the ΞN potential obtained from lattice QCD.

doi: 10.1103/PhysRevC.106.064318
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2022TA05      Phys.Rev. C 105, 044324 (2022)

Y.Tanimura, H.Sagawa, T.-T.Sun, E.Hiyama

Ξ hypernuclei 15ΞC and 12ΞBe and the ΞN two-body interaction

NUCLEAR STRUCTURE 15C, 12Be; calculated levels, J, π, energy spectrum of the 15C and 12Be Ξ hypernuclei. Relativistic mean filed model taking into account meson exchange ΞN interactions.

doi: 10.1103/PhysRevC.105.044324
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2022ZH10      Prog.Theor.Exp.Phys. 2022, 023D01 (2022)

Y.Zhang, H.Sagawa, E.Hiyama

Prediction of exotic hyperon halos in neutron-rich Zr hypernuclei

NUCLEAR STRUCTURE 90,91,92Zr, 114,115,116Zr, 136,137,138Zr; calculated neutron single-particle energies and potentials in the hypernuclei, occupation probabilities with the Skyrme HFB model. Comparison with available data.

doi: 10.1093/ptep/ptac004
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2021FU12      Few-Body Systems 62, 47 (2021), Erratum Few-Body Systems 62, 69 (2021)

H.Fujioka, S.Ajimura, T.Fukuda, T.Gogami, E.Hiyama, Y.Morino, T.Motoba, T.Nagae, S.Nagao, A.Sakaue, T.Takahashi, Y.Taki, A.O.Tokiyasu, M.Uchida, M.Yosoi

Search for the Lightest Double-Λ Hypernucleus, 5ΛΛH, at J-PARC

NUCLEAR REACTIONS 7Li(K-, K+)7H, E not given; analyzed available data. 5H; deduced future hypernuclei discovery of 5H theoretically expected to be the lightest bound state.

doi: 10.1007/s00601-021-01635-y
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2021ZH20      Phys.Rev. C 103, 034321 (2021)

Y.Zhang, H.Sagawa, E.Hiyama

Hyperon halo structure of C and B isotopes

NUCLEAR STRUCTURE 8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23C, 8,9,10,11,12,13,14,15,16,17,18,19,20,21,22B; calculated binding energies, rms radii, B(E1) of single-Λstate hypernuclei, binding energies of carbon and boron isotopes using Hartree-Fock model with several Skyrme-type nucleon-nucleon and Λ-nucleon interactions. Comparison with available experimental data.

doi: 10.1103/PhysRevC.103.034321
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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
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2020HI06      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; calculated properties of hypernuclei, binding energies of the three-body and four-body systems.

doi: 10.1103/PhysRevLett.124.092501
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2020WU08      Phys.Rev. C 102, 054303 (2020)

Q.Wu, Y.Funaki, E.Hiyama, H.Zong

Resonant states of 9ΛBe with α + α + Λ three-body cluster model

NUCLEAR STRUCTURE 8,9Be; calculated levels, resonances, J, π for 9Be hypernucleus and 8Be in the framework of three-body α+α+Λ cluster model and the YNG-NF interaction with the Gaussian expansion method. Comparison with other theoretical calculations, and with experimental data from KEK-Tsukuba laboratory.

doi: 10.1103/PhysRevC.102.054303
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2019HI05      Phys.Rev. C 100, 011603 (2019)

E.Hiyama, R.Lazauskas, F.M.Marques, J.Carbonell

Modeling 19B as a 17B - n - n three-body system in the unitary limit

NUCLEAR STRUCTURE 19B; calculated n-17B scattering length, radial potential, ground state energy and probability amplitude of ground state using three-body (17B-n-n) system model, with the two-body subsystems 17B-n and n-n as unbound (virtual) states close to the unitary limit. Discussed link with the Efimov physics, and possibility to explain recently discovered resonant states in 20,21B.

doi: 10.1103/PhysRevC.100.011603
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2019LA07      Phys.Lett. B 791, 335 (2019)

R.Lazauskas, E.Hiyama, J.Carbonell

Ab initio calculations of 5H resonant states

NUCLEAR STRUCTURE 5H; calculated resonant states, J, π using the 5-body Faddeev-Yakubovsky equations in configuration space with realistic nuclear Hamiltonians.

doi: 10.1016/j.physletb.2019.02.047
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2019LE07      Phys.Rev. C 99, 055503 (2019)

J.Lee, N.Yamanaka, E.Hiyama

Effect of the Pauli exclusion principle in the electric dipole moment of 9Be with nullDsnull= 1 interactions

NUCLEAR STRUCTURE 9Be; calculated electric dipole moment (EDM) with the inclusion of ΔS=1 K-meson exchange processes generated by the Cabibbo-Kobayashi-Maskawa matrix by considering αn-αΛ channel coupling; deduced that effect of Pauli exclusion principle is not important for intermediate ΔS=-1 state, and that the result is consistent with the EDM of 9Be calculated as a perturbation without considering the nucleus-hypernucleus mixing.

doi: 10.1103/PhysRevC.99.055503
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2019LE10      Few-Body Systems 60, 30 (2019)

J.Lee, Q.Wu, Y.Funaki, H.Zong, E.Hiyama

Three-Body Structure of 9ΛBe with ααΛ Cluster Model

NUCLEAR STRUCTURE 9Be; calculated eigen energy distributions for the lowest states within the framework of α + α + Λ three-body model.

doi: 10.1007/s00601-019-1502-3
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2019SC10      Eur.Phys.J. A 55, 85 (2019)

C.H.Schmickler, H.-W.Hammer, E.Hiyama

Efimov universality with Coulomb interaction

doi: 10.1140/epja/i2019-12756-8
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2018HI12      Phys.Rev. C 98, 045208 (2018)

E.Hiyama, A.Hosaka, M.Oka, J.-M.Richard

Quark model estimate of hidden-charm pentaquark resonances

doi: 10.1103/PhysRevC.98.045208
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2017CA16      Few-Body Systems 58, 67 (2017)

J.Carbonell, R.Lazauskas, E.Hiyama, M.Kamimura

On the Possible Existence of Four Neutron Resonances

NUCLEAR REACTIONS 3He(n, n), E=0.03-10 MeV;3He(n, x), E not given; calculated possible tetraneutron resonance trajectory for 0+ state; deduced resonance, σ, resonance energy and width vs other parameters, higher 4n resonances, tetraneutron production response function via double charge exchange; deduced parameters.

doi: 10.1007/s00601-017-1219-0
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2017FU10      Phys.Lett. B 773, 336 (2017)

Y.Funaki, M.Isaka, E.Hiyama, T.Yamada, K.Ikeda

Multi-cluster dynamics in 13ΛC and analogy to clustering in 12C

NUCLEAR STRUCTURE 12,13C; calculated hypernuclei level energies, J, π, rms radii, parameters. Comparison with available data.

doi: 10.1016/j.physletb.2017.08.048
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2017LA11      Prog.Theor.Exp.Phys. 2017, 073D03 (2017)

R.Lazauskas, J.Carbonell, E.Hiyama

Modeling the double charge exchange response function for a tetraneutron system

NUCLEAR REACTIONS 4He(8He, 8Be)4NN, E<8 MeV; analyzed available data; calculated σ, response functions, 4n resonance trajectory.

doi: 10.1093/ptep/ptx078
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2017YA19      Phys.Rev. C 95, 065503 (2017)

N.Yamanaka, T.Yamada, E.Hiyama, Y.Funaki

Electric dipole moment of 13C

NUCLEAR STRUCTURE 13C; calculated electric dipole moment (EDM) using the isovector charge conjugation-parity (CP)-odd pion exchange nuclear force in the α-cluster model; deduced role of structure of 13C in the enhancement of the EDM; and in turn discussed the role of the EDM of 13C in determining the new physics beyond the standard model.

doi: 10.1103/PhysRevC.95.065503
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2016HI03      Phys.Rev. C 93, 044004 (2016)

E.Hiyama, R.Lazauskas, J.Carbonell, M.Kamimura

Possibility of generating a 4-neutron resonance with a T=3/2 isospin 3-neutron force

NUCLEAR STRUCTURE 4n; calculated narrow resonant states of tetraneutron for Jπ=0+, 2+ and 2-. 4H, 4He, 4Li; calculated energies of the lowest T=1, Jπ=2- states. 3n; calculated resonance trajectories for Jπ=3/2-, 1/2- and 1/2+ states. Complex scaling method (CSM) for resonance positions and widths. Gaussian expansion method used to solve Schrodinger equation and Lagrange-mesh technique to solve Faddeev-Yakubovsky (FY) equation. Comparison with recent experimental data from RIKEN.

doi: 10.1103/PhysRevC.93.044004
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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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2016HO12      Nucl.Phys. A954, 341 (2016)

A.Hosaka, E.Hiyama, S.H.Kim, H.-C.Kim, H.Nagahiro, H.Noumi, M.Oka, K.Shirotori, T.Yoshida, S.Yasui

Production and decay of charmed baryons

doi: 10.1016/j.nuclphysa.2016.05.009
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2016SU27      Phys.Rev. C 94, 064319 (2016)

T.T.Sun, E.Hiyama, H.Sagawa, H.-J.Schulze, J.Meng

Mean-field approaches for Ξ- hypernuclei and current experimental data

NUCLEAR STRUCTURE 15C, 12Be; calculated binding energies of hypernuclei with Ξ- hyperon and the core nuclei of 14N and 11B; reproduced results for observed 2015 Kiso event for 15C at the KEK-E373 experiment. Relativistic-mean-field and Skyrme-Hartree-Fock models.

doi: 10.1103/PhysRevC.94.064319
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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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2016VE02      Nucl.Phys. A954, 260 (2016)

P.Vesely, E.Hiyama, J.Hrtankova, J.Mares

Sensitivity of Λ single-particle energies to the ΛN spin-orbit coupling and to nuclear core structure in p-shell and sd-shell hypernuclei

NUCLEAR STRUCTURE 12C, 16O, 20Ne, 28Si, 40Ca; calculated gs charge rms radius. Compared with published calculations using RMF and with data. 13C, 17O, 21Ne, 29Si, 41Ca; calculated Λ hypernuclei Λ single-particle energy, energy splitting with symmetric and anti-symmetric spin-orbit terms to the energy splitting; deduced contribution of spin-orbit term. Compared with RMF calculations and data. Mean-field model based on realistic two-body baryon interactions.

doi: 10.1016/j.nuclphysa.2016.05.013
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2016ZH29      Phys.Rev. C 94, 024331 (2016)

X.-R.Zhou, E.Hiyama, H.Sagawa

Exotic structure of medium-heavy hypernuclei in the Skyrme Hartree-Fock model

NUCLEAR STRUCTURE 36,37,38,39,40Ar, 40,41Ca; calculated energy surfaces as a function of deformation parameter β2, quadrupole deformation parameters, root mean square radii, binding energies, Λ separation energies for the ground states and superdeformed (SD) states, and two-dimensional density distributions for 37,38,39,40Ar, 41Ca hypernuclei and their core nuclei 36,37,38,39Ar, 40Ca. 37,38,39,40Ar, 41Ca; calculated Λ separation energies and spatial overlap between Λ and nucleons at the ground state and SD minima for hypernuclei. Skyrme Hartree-Fock (SHF)+BCS model with a microscopic ΛN interaction. Comparison with antisymmetrized molecular dynamics (AMD), and relativistic mean field (RMF) calculations.

doi: 10.1103/PhysRevC.94.024331
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2015HI04      Phys.Rev. C 91, 054316 (2015)

E.Hiyama, M.Isaka, M.Kamimura, T.Myo, T.Motoba

Resonant states of the neutron-rich Λ hypernucleus 7ΛHe

NUCLEAR STRUCTURE 6He; calculated levels, J, π, widths. 7He; calculated levels, J, π, widths of hypernucleus in the framework of α+Λ+n+n four-body cluster model. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.054316
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2015HI06      Phys.Rev. C 92, 015205 (2015)

E.Hikota, Y.Funaki, E.Hiyama, M.Oka

Radiative capture reaction rate from ΛΛ to H dibaryon in the imaginary time method

doi: 10.1103/PhysRevC.92.015205
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2015HI10      Few-Body Systems 56, 787 (2015)

E.Hiyama

Structure of Neutron-Rich Λ Hypernuclei

NUCLEAR STRUCTURE 4,6He, 5H; calculated hypenucleus Λ-separation energies, decay widths. Comparison with experimental data.

doi: 10.1007/s00601-015-0997-5
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2015IS10      Prog.Theor.Exp.Phys. 2015, 103D02 (2015)

M.Isaka, M.Kimura, E.Hiyama, H.Sagawa

Superdeformation of Ar hypernuclei

NUCLEAR STRUCTURE 37,39,41Ar; calculated separation energies of the ground and superdeformed (SD) states in hypernuclei. Framework of antisymmetrized molecular dynamics (AMD).

doi: 10.1093/ptep/ptv138
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2015YA10      Phys.Rev. C 91, 054005 (2015)

N.Yamanaka, E.Hiyama

Enhancement of the CP-odd effect in the nuclear electric dipole moment of 6Li

NUCLEAR STRUCTURE 2,3H, 3He, 6Li, 9Be; calculated nuclear electric dipole moments (EDM) within the α+p+n three-body cluster model for 6Li and α+α+n for 9Be using Gaussian expansion method, assuming the one-meson exchange nuclear forces. Discussed prospects of new physics beyond the standard model.

doi: 10.1103/PhysRevC.91.054005
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2014FU10      Prog.Theor.Exp.Phys. 2014, 113D01 (2014)

Ya.Funaki, T.Yamada, E.Hiyama, B.Zhou, K.Ikeda

Container structure of alpha-alpha-Lambda clusters in 9-Lambda-Berylium

NUCLEAR STRUCTURE 9Be; calculated cluster hypernuclei structures, energy levels, J, π. Comparison with available data.

doi: 10.1093/ptep/ptu143
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2014HI01      Prog.Theor.Exp.Phys. 2014, 013D01 (2014)

E.Hiyama, Y.Funaki, N.Kaiser, W.Weise

Alpha-clustered hypernuclei and chiral SU(3) dynamics

NUCLEAR STRUCTURE 5He, 9Be, 13C; calculated hypernuclei nucleon density distributions, correlation between hypernuclear potential depth and the surface strength.

doi: 10.1093/ptep/ptt112
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2014HI03      Phys.Rev. C 89, 061302 (2014)

E.Hiyama, S.Ohnishi, B.F.Gibson, Th.A.Rijken

Three-body structure of the nnΛ system with ΛN - ΣN coupling

NUCLEAR STRUCTURE 3,4H, 3n, 4He; calculated binding energies, and Λ-separation energies of hypernuclei taking into account ΛN-ΣN coupling explicitly and using simulated NSC97f YN and AV8 NN potentials. No bound state found for 3Ln system contradicting the interpretation of experimental data reported by the HypHI Collaboration.

doi: 10.1103/PhysRevC.89.061302
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2014HU13      Phys.Rev. C 90, 014309 (2014)

J.Hu, E.Hiyama, H.Toki

Effective ΛN potential from relativistic Brueckner-Hartree-Fock theory

NUCLEAR STRUCTURE 16O, 28Si, 40Ca, 51V, 89Y, 139La, 208Pb; calculated total and single binding energies of hypernuclei, effective ΛN potentials. Density-dependent relativistic mean-field (DDRMF) approach through the relativistic Brueckner-Hartree-Fock (RBHF) theory with Jul94 potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.014309
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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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2014LU06      Phys.Rev. C 89, 044307 (2014)

B.-N.Lu, E.Hiyama, H.Sagawa, S.-G.Zhou

Superdeformed Λ hypernuclei within relativistic mean field models

NUCLEAR STRUCTURE 33S, 37,39,41Ar, 41Ca, 57Ni, 61Zn; calculated energies as function of deformation parameter, β2, βp, βn, βΛ, Ioverlap, binding energy, rms radii, Λ separation energies, density distribution contours in (r, z) plane, Nilsson wave function for ground state and superdeformed states of hypernuclei. 36,38,40,41Ar, 40Ca; calculated energies as function of deformation parameter, β2, βp, βn deformation parameters, rms radii, binding energies, density distribution contours in (r, z) plane. Multidimensionally constrained relativistic mean field (MDC-RMF) models for superdeformed states of nuclei and hypernuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.044307
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2014SC21      Phys.Rev. C 90, 047301 (2014)

H.-J.Schulze, E.Hiyama

Skyrme force for light and heavy hypernuclei

NUCLEAR STRUCTURE 5,6,7,8He, 7,8,9Li, 9Be, 9,10,11,12B, 12,13,14C, 15,16N, 16O, 28Si, 89Y, 139La, 208Pb; analyzed binding energies of hypernuclei; deduced a new parameter set for a standard NΛ Skyrme force. Skyrme-Hartree-Fock (SHF) approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.047301
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2014YO08      Few-Body Systems 55, 761 (2014)

A.Yokota, E.Hiyama, M.Oka

Possible Existence of (CC-bar)-Nucleus Bound States

doi: 10.1007/s00601-014-0895-2
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2013FU11      Nucl.Phys. A914, 194c (2013)

Y.Funaki, T.Yamada, E.Hiyama, K.Ikeda

Alpha-particle condensation in light hypernuclei

NUCLEAR STRUCTURE 12C, 13C. 13C hypernucleus calculated α-particle occupation probability for specified hypernucleus single-α-orbits vs radius using α-condensate-type microscopic model.

doi: 10.1016/j.nuclphysa.2013.05.012
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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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2013HI07      Few-Body Systems 54, 737 (2013)

E.Hiyama, M.Kamimura

Four-Body Structure of Λ Hypernuclei and 4He Tetramer System

NUCLEAR STRUCTURE 4H, 4He; calculated hypernuclei ground and excited states parameters, energy levels, J, π. Gaussian expansion method.

doi: 10.1007/s00601-012-0471-6
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2013HI08      Nucl.Phys. A914, 130c (2013)

E.Hiyama

Four-body structure of light Λ hypernuclei

NUCLEAR STRUCTURE 10Be, 10B; calculated Λ hypernuclei levels, J, π using α+α+Λ+N four-body cluster model with and without CBS potential. 6H; calculated Λ hypernucleus levels, decay width using t+Λ+n+n four-body model.

doi: 10.1016/j.nuclphysa.2013.05.011
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2013LI05      Phys.Rev. C 87, 014333 (2013)

A.Li, E.Hiyama, X.-R.Zhou, H.Sagawa

Tensor correlation, pairing interaction, and deformation in Ne isotopes and Ne hypernuclei

NUCLEAR STRUCTURE 20,21,22,23,24,25,26,27,28,29,30Ne; calculated β2 as function of neutron number for normal, and double-Λ hypernuclei. 26,30Ne; calculated energy surfaces as function of β2. Tensor and pairing effects on the quadruple deformation. Skyrme-Hartree-Fock model with BCS approximation, and two different hyperon-nucleon interactions for double-Λ hypernuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.014333
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2013OH06      Prog.Theor.Exp.Phys. 2013, 073D02 (2013)

S.-I.Ohtsubo, Y.Fukushima, M.Kamimura, E.Hiyama

Complex-scaling calculation of three-body resonances using complex-range Gaussian basis functions: Application to 3α resonances in 12C

NUCLEAR STRUCTURE 12C; calculated three-body α resonances, level energies, J, π. Comparison with available data.

doi: 10.1093/ptep/ptt048
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2013UM01      Few-Body Systems 54, 99 (2013)

A.Umeya, T.Myo, E.Hiyama, H.Toki, K.Ikeda

s-Shell Λ-Hypernuclei Taking into Account ΛN - ΛN Coupling Explicitly with TOSM

NUCLEAR STRUCTURE 4H, 5He; calculated hypernuclei energy levels, J, π, Λ separation energies. Comparison with available data.

doi: 10.1007/s00601-012-0336-z
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


2012HI09      Few-Body Systems 53, 189 (2012)

E.Hiyama

Few-Body Aspects of Hypernuclear Physics

NUCLEAR STRUCTURE 7He, 7,8Li, 7,8,9,10Be, 10B, 13C; calculated energies for hypernuclei spin-doublets, J, π, B(E2). Comparison with available data.

doi: 10.1007/s00601-011-0296-8
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


2011HI09      Int.J.Mod.Phys. E20, 853 (2011)

E.Hiyama

Four-body structure of S = -2 hypernuclei

doi: 10.1142/S0218301311018836
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2287.


2010FU13      Int.J.Mod.Phys. E19, 2480 (2010)

Y.Fujii, A.Chiba, D.Doi, T.Gogami, O.Hashimoto, H.Kanda, M.Kaneta, D.Kawama, K.Maeda, T.Maruta, A.Matsumura, S.Nagao, S.N.Nakamura, A.Shichijo, H.Tamura, N.Taniya, T.Yamamoto, K.Yokota, S.Kato, Y.Sato, T.Takahashi, H.Noumi, T.Motoba, E.Hiyama, I.Albayrak, O.Ates, C.Chen, M.Christy, C.Keppel, M.Kohl, Y.Li, A.Liyanage, L.Tang, T.Walton, Z.Ye, L.Yuan, L.Zhu, P.Baturin, W.Boeglin, S.Dhamija, P.Markowitz, B.Raue, J.Reinhold, Ed.V.Hungerford, R.Ent, H.Fenker, D.Gaskell, T.Horn, M.Jones, G.Smith, W.Vulcan, S.A.Wood, C.Johnston, N.Simicevic, S.Wells, C.Samanta, B.Hu, J.Shen, W.Wang, X.Zhang, Y.Zhang, J.Feng, Y.Fu, J.Zhou, S.Zhou, Y.Jiang, H.Lu, X.Yan, Y.Ye, L.Gan, A.Ahmidouch, S.Danagoulian, A.Gasparian, M.Elaasar, F.R.Wesselmann, A.Asaturyan, A.Margaryan, A.Mkrtchyan, H.Mkrtchyan, V.Tadevosyan, D.Androic, M.Furic, T.Petkovic, T.Seva, G.Niculescu, I.Niculescu, V.M.Rodriguez Lopez, E.Cisbani, F.Cusanno, F.Garibaldi, G.M.Uuciuoli, R.De Leo, S.Maronne

Hypernuclear spectroscopy with electron beam at JLab HALL C

NUCLEAR REACTIONS 7Li, 12C, 28Si(E, EK+)7He/12B/28Al, E=1.2 GeV; measured reaction products; deduced hypernuclear spectroscopy, missing mass spectrum.

doi: 10.1142/S0218301310016983
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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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


2010HI10      Nucl.Phys. A835, 215c (2010)

E.Hiyama

Few-body systems with S= -1 and -2

NUCLEAR STRUCTURE 7H, 7He, 7,10Li, 7Be; calculated hypernuclei levels, J, π. Considered charge symmetry breaking in Λ-N interaction.

doi: 10.1016/j.nuclphysa.2010.01.196
Citations: PlumX Metrics


2010HI11      Int.J.Mod.Phys. E19, 2497 (2010)

E.Hiyama

Light Ξ hypernuclei in four-body cluster models

NUCLEAR STRUCTURE 7H, 10Li, 12Be; calculated bound level energies, J, π in hypernuclei. Microscopic four-body cluster model.

doi: 10.1142/S0218301310017009
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2287.


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


2009HI09      Prog.Part.Nucl.Phys. 63, 339 (2009)

E.Hiyama, T.Yamada

Structure of light hypernuclei

doi: 10.1016/j.ppnp.2009.05.001
Citations: PlumX Metrics


2009HI11      Int.J.Mod.Phys. E18, 2192 (2009)

E.Hiyama

Few-body aspects of hypernuclear physics

doi: 10.1142/S0218301309014548
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2008HI09      Nucl.Phys. A805, 190c (2008)

E.Hiyama

Recent progress in hypernuclear physics

doi: 10.1016/j.nuclphysa.2008.02.247
Citations: PlumX Metrics


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


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
Citations: PlumX Metrics


2006HI05      Few-Body Systems 38, 91 (2006)

E.Hiyama, M.Kamimura, A.Hosaka, H.Toki, M.Yahiro

Five-Body Calculation of Resonance and Scattering States of the uudd(s-bar) System

doi: 10.1007/s00601-005-0143-x
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2005HI14      Nucl.Phys. A755, 411c (2005)

E.Hiyama, M.Kamimura, A.Hosaka, H.Toki, M.Yahiro

Five-body calculation of resonance and continuum states of pentaquark baryons with quark-quark correlations

doi: 10.1016/j.nuclphysa.2005.03.047
Citations: PlumX Metrics


2005MI20      Nucl.Phys. A754, 80c (2005)

K.Miwa, K.Tanida, H.Akikawa, Y.Fukao, E.Hiyama, H.Hotchi, K.Imai, Y.Miura, K.Mizunuma, S.N.Nakamura, M.Niiyama, S.Ota, P.K.Saha, H.Takahashi, T.Takahashi, H.Tamura, S.Terashima, M.Togawa, M.Ukai

High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K- reactions

NUCLEAR REACTIONS 7Li, 9Be, 10,11B, 12C(K-, X), E at rest; measured Eγ, Iγ. 7Li deduced hypernucleus transition. Hyperball array.

doi: 10.1016/j.nuclphysa.2005.02.120
Citations: PlumX Metrics


2004HI01      Nucl.Instrum.Methods Phys.Res. B214, 153 (2004)

E.Hiyama

Theoretical prediction to double Λ hypernuclear spectroscopy with antiprotons

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

doi: 10.1016/S0168-583X(03)01762-2
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
Citations: PlumX Metrics


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


2004HI14      Prog.Theor.Phys.(Kyoto) 112, 99 (2004)

E.Hiyama, K.Suzuki, H.Toki, M.Kamimura

Role of the Quark-Quark Correlation in Baryon Structure and Non-Leptonic Weak Transitions of Hyperons

doi: 10.1143/PTP.112.99
Citations: PlumX Metrics


2004HI15      Few-Body Systems 34, 79 (2004)

E.Hiyama

Weakly Bound States in Light Hypernuclei

NUCLEAR STRUCTURE 4H, 4,6,7He; calculated hypernucleus level energies, configurations.

doi: 10.1007/s00601-004-0024-8
Citations: PlumX Metrics


2004HI21      Phys.Rev. C 70, 031001 (2004)

E.Hiyama, B.F.Gibson, M.Kamimura

Four-body calculation of the first excited state of 4He using a realistic NN interaction: 4He(e, e')4He(0+2) and the monopole sum rule

NUCLEAR STRUCTURE 4He; calculated ground and excited states energies, radii, mass densities, wave functions. Two-body and three-body forces, Gaussian expansion method.

NUCLEAR REACTIONS 4He(e, e'), E not given; calculated transition form factor. Two-body and three-body forces, Gaussian expansion method.

doi: 10.1103/PhysRevC.70.031001
Citations: PlumX Metrics


2004MA57      Nucl.Phys. A738, 471 (2004)

T.Matsumoto, E.Hiyama, M.Yahiro, K.Ogata, Y.Iseri, M.Kamimura

Four-body CDCC analysis of 6He + 12C scattering

NUCLEAR REACTIONS 12C(6He, 6He), E=38.3 MeV/nucleon; analyzed σ(θ); deduced halo effects. Continuum-discretized coupled-channels approach.

doi: 10.1016/j.nuclphysa.2004.04.089
Citations: PlumX Metrics


2004MB01      Phys.Rev. C 70, 061601 (2004)

T.Matsumoto, E.Hiyama, K.Ogata, Y.Iseri, M.Kamimura, S.Chiba, M.Yahiro

Continuum-discretized coupled-channels method for four-body nuclear breakup in 6He+12C scattering

NUCLEAR REACTIONS 12C(6He, 6He), (6He, 2nα), E=18, 229.8 MeV; calculated elastic and breakup σ(θ), reaction σ. Continuum-discretized coupled-channels method, comparison with data.

doi: 10.1103/PhysRevC.70.061601
Citations: PlumX Metrics


2003HI09      Prog.Part.Nucl.Phys. 51, 1 (2003)

E.Hiyama, Y.Kino, M.Kamimura

Gaussian, Expansion Methods for Few-Body Systems

doi: 10.1016/S0146-6410(03)00082-6
Citations: PlumX Metrics


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


2003MA91      Phys.Rev. C 68, 064607 (2003)

T.Matsumoto, T.Kamizato, K.Ogata, Y.Iseri, E.Hiyama, M.Kamimura, M.Yahiro

New treatment of breakup continuum in the method of continuum discretized coupled channels

NUCLEAR REACTIONS 58Ni(d, d), (d, X), E=80 MeV; 40Ca(6Li, 6Li), (6Li, X), E=156 MeV; calculated elastic σ, breakup S-matrix elements. Continuum discretized coupled channels, pseudostate discretization.

doi: 10.1103/PhysRevC.68.064607
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


2002IT09      Prog.Theor.Phys.(Kyoto), Suppl. 146, 573 (2002)

M.Ito, K.Kato, Y.Sakuragi, M.Kamimura, E.Hiyama

6He + 6He Molecular States in Highly-Excited 12Be

NUCLEAR STRUCTURE 12Be; calculated molecular states energies, J, coupling effects.

doi: 10.1143/PTPS.146.573
Citations: PlumX Metrics


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


2001KA47      Phys.Rev. C64, 044001 (2001)

H.Kamada, A.Nogga, W.Glockle, E.Hiyama, M.Kamimura, K.Varga, Y.Suzuki, M.Viviani, A.Kievsky, S.Rosati, J.Carlson, S.C.Pieper, R.B.Wiringa, P.Navratil, B.R.Barrett, N.Barnea, W.Leidemann, G.Orlandini

Benchmark Test Calculation of a Four-Nucleon Bound State

NUCLEAR STRUCTURE A=4; calculated four-nucleon bound state energy, radius, related features. Several approaches compared.

doi: 10.1103/PhysRevC.64.044001
Citations: PlumX Metrics


2000HI12      Nucl.Phys. A670, 273c (2000)

E.Hiyama

Four-Body Calculation of Λ4H and Λ4He with Realistic YN and NN Interactions

NUCLEAR STRUCTURE 4H, 4He; calculated hypernucleus levels, J, π.

doi: 10.1016/S0375-9474(00)00111-1
Citations: PlumX Metrics


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


2000SU11      Nucl.Phys. A670, 307c (2000)

K.Suzuki, E.Hiyama, H.Toki, M.Kamimura

Constituent Quark Model for Baryons with Strong Quark-Pair Correlations and Non-Leptonic Weak Transitions of Hyperon

doi: 10.1016/S0375-9474(00)00119-6
Citations: PlumX Metrics


1999HI02      Phys.Rev. C59, 2351 (1999)

E.Hiyama, M.Kamimura, K.Miyazaki, T.Motoba

γ Transitions in A = 7 Hypernuclei and a Possible Derivation of Hypernuclear Size

NUCLEAR STRUCTURE 7He, 7Li; calculated transitions B(E2), B(M1) in hypernuclei; deduced implications for radius measurement. Three-body model.

NUCLEAR REACTIONS 7Li(π+, K+), E at 1.05 GeV/c; calculated hypernuclear states production σ(E).

doi: 10.1103/PhysRevC.59.2351
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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


1998HI14      Nucl.Phys. A639, 173c (1998)

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

Four-Body Model Study of Competition between YN Spin-Spin and Spin-Orbit Interactions in Light Hypernuclei

NUCLEAR STRUCTURE 7Li, 13C; calculated hypernuclei levels, J, π; deduced ΛN spin-spin, spin-orbit forces related features.

doi: 10.1016/S0375-9474(98)00268-1
Citations: PlumX Metrics


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