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NSR database version of May 24, 2024.

Search: Author = Y.Kanada-Enyo

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2023LI56      Phys.Rev.Lett. 131, 212501 (2023)

P.J.Li, D.Beaumel, J.Lee, M.Assie, S.Chen, S.Franchoo, J.Gibelin, F.Hammache, T.Harada, Y.Kanada-En'yo, Y.Kubota, S.Leblond, P.F.Liang, T.Lokotko, M.Lyu, F.M.Marques, Y.Matsuda, K.Ogata, H.Otsu, E.Rindel, L.Stuhl, D.Suzuki, Y.Togano, T.Tomai, X.X.Xu, K.Yoshida, J.Zenihiro, N.L.Achouri, T.Aumann, H.Baba, G.Cardella, S.Ceruti, A.I.Stefanescu, A.Corsi, A.Frotscher, J.Gao, A.Gillibert, K.Inaba, T.Isobe, T.Kawabata, N.Kitamura, T.Kobayashi, Y.Kondo, A.Kurihara, H.N.Liu, H.Miki, T.Nakamura, A.Obertelli, N.A.Orr, V.Panin, M.Sasano, T.Shimada, Y.L.Sun, J.Tanaka, L.Trache, D.Tudor, T.Uesaka, H.Wang, H.Yamada, Z.H.Yang, M.Yasuda

Validation of the 10Be Ground-State Molecular Structure Using 10Be(p, pα)6He Triple Differential Reaction Cross-Section Measurements

NUCLEAR REACTIONS 1H(10Be, pα), E ∼ 150 MeV/nucleon; measured reaction products. 6He, 10Be; deduced excitation energy spectra, σ(θ, E), α-cluster molecular structure of the 10Be ground-state. Comparison with calculations performed in a microscopic framework using successively the Tohsaki-Horiuchi-Schuck-Ropke product wave function and the wave function deduced from antisymmetrized molecular dynamics calculations. The Radioactive Isotope Beam Factory at RIKEN.

doi: 10.1103/PhysRevLett.131.212501
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2022KA30      Phys.Rev. C 106, 034321 (2022)

Y.Kanada-En'yo

Neutron 3s1/2 occupation change across the stable tin isotopes investigated using isotopic analysis of proton scattering at 295 MeV

NUCLEAR REACTIONS 116,118,120,122,124Sn(p, p'), E=295 MeV; analyzed experimental σ(θ) from 2008TE03; calculated σ, σ(θ); deduced isotopic cross section ratios. Relativistic impulse approximation with density-dependent effective NN interactions modified from the original Murdock and Horowitz model (RIA-ddMH). Comparison to experimental data.

NUCLEAR STRUCTURE 114,116,118,120,122,124Sn; calculated rms neutron and proton radii, neutron and proton density distributions, occupation probabilities of neutron single-particle orbits, neutron single-particle energies. Relativistic Hartree-Bogoliubov (RHB) and nonrelativistic Skyrme Hartree-Fock-Bogoliubov (SHFB) calculations. Comparison to experimental data.

doi: 10.1103/PhysRevC.106.034321
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2022KA44      Phys.Rev. C 106, 054312 (2022)

Y.Kanada-En'yo, N.Hinohara

Collective model for cluster motion in 8Be, 12C, and 16O systems based on microscopic 2α, 3α, and 4α models

NUCLEAR STRUCTURE 8Be, 12C, 16O; calculated levels, J, π, energies, rms radii. Generator coordinate method (GCM) calculations in restricted model space of nα systems within highly symmetric configurations. Description of radial cluster motion in the ground and excited states with collective model in one-dimensional coordinate by utilizing inputs from the parity-projected microscopic nα wave functions. Comparison to microscopic calculations and experimental data.

doi: 10.1103/PhysRevC.106.054312
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2021CH24      Phys.Rev. C 103, 064311 (2021)

Y.Chiba, Y.Kanada-En'yo, Y.Shikata

Cluster correlation and nuclear vorticity in low-lying 1- states of 24Mg

NUCLEAR STRUCTURE 24Mg; calculated low-lying dipole K=0 and 1, 1- states, isoscalar toroidal dipole (TD) and compressional dipole (CD) strength, B(TD) and B(CD) strength functions of dipole transitions, energy curves and intrinsic matter density distributions for 20Ne+α, 16O+8Be, and 12C+12C quasicluster configurations, intrinsic transition current density for 0+ to K=1, 1- and 0+ to K=0, 1- transitions; deduced enhanced cluster structure but weaker vorticity for compressional dipole (CD) state. Antisymmetrized molecular dynamics framework combined with the generator coordinate (AMD+GCM) method, with the βγ constraint for the quadrupole deformation.

doi: 10.1103/PhysRevC.103.064311
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2021KA12      Phys.Rev. C 103, 024318 (2021)

Y.Kanada-En'yo, D.Lee

Effective interactions between nuclear clusters

NUCLEAR STRUCTURE 2H, 3H, 4He; calculated molecular orbitals and energies of the two-dimer systems, nuclear matter density of the two-cluster wave functions, energies of single-cluster and two-cluster systems, effective interactions between nuclear clusters d+d, t+t and α+α within the cluster model using Volkov central force with two sets of the parametrization, the SU4-even and tuned nucleon-nucleon (NN) forces; deduced possible d+d bound system, and that d+d system is repulsive for all intercluster distances, whereas the spin-aligned t+t and the α+α systems are attractive at intermediate distances.

doi: 10.1103/PhysRevC.103.024318
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2021KA14      Phys.Rev. C 103, 024603 (2021)

Y.Kanada-En'yo, K.Ogata

Probing negative-parity states of 24Mg probed with proton and α inelastic scattering

NUCLEAR REACTIONS 24Mg(p, p'), E=40, 49, 65, 100 MeV; 24Mg(α, α'), E=104, 120, 130, 386 MeV; calculated σ(θ, E), charge-form factors of the elastic and inelastic processes for the positive- and negative-parity states, and compared with experimental data. Antisymmetrized molecular dynamics (AMD), with microscopic coupled-channel (MCC) calculations by folding the Melbourne g-matrix NN interaction.

NUCLEAR STRUCTURE 24Mg; calculated levels, J, π, B(E2), root mean-square (rms) matter radii for Kπ=0+, 0-, 1-, 2+, and 3- bands, quadrupole moment of the first 2+ state, isoscalar transition strengths, density distribution contours of intrinsic wave functions, matter density, isoscalar components of transition densities. MCC+AMD calculation. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.024603
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2021KA22      Prog.Theor.Exp.Phys. 2021, 043D01 (2021)

Y.Kanada-En'yo, K.Ogata

Microscopic coupled-channel calculation of proton and alpha inelastic scattering to the 4+1 and 4+2 states of 24Mg

NUCLEAR REACTIONS 24Mg(p, p'), E=40-100 MeV; 24Mg(α, α'), E=100-400 MeV; analyzed available data; calculated partial inelastic σ(θ) using antisymmetrized molecular dynamics (AMD) and microscopic coupled-channel (MCC) approach.

doi: 10.1093/ptep/ptab029
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2021KA28      Eur.Phys.J. A 57, 185 (2021)

Y.Kanada-Enyo

Binding of antikaons and Λ(1405) clusters in light kaonic nuclei

NUCLEAR STRUCTURE 4He, 1,2,3,4NN; calculated binding energies, rms radii, separation energies of kaonic nuclei.

doi: 10.1140/epja/s10050-021-00459-y
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2021MA39      Phys.Rev. C 103, L061302 (2021)

W.H.Ma, D.Patel, Y.Y.Yang, J.S.Wang, Y.Kanada-En'yo, R.F.Chen, J.Lubian, Y.L.Ye, Z.H.Yang, Z.Z.Ren, S.Mukherjee, J.B.Ma, S.L.Jin, P.Ma, J.X.Li, Y.S.Song, Q.Hu, Z.Bai, M.R.Huang, X.Q.Liu, Y.J.Zhou, J.Chen, Z.H.Gao, F.F.Duan, S.Y.Jin, S.W.Xu, G.M.Yu, G.Z.Shi, Q.Wang, T.F.Wang, X.Y.Ju, Z.G.Hu, Y.H.Zhang, X.H.Zhou, H.S.Xu, G.Q.Xiao, W.L.Zhan

Observation of 6He + t cluster states in 9Li

NUCLEAR REACTIONS 208Pb(9Li, X), E=32.7 MeV/nucleon, [secondary 9Li beam from 9Be(12C, X), E=53.7 MeV/nucleon, followed by separation and purification of fragments using RIBLL1 at HIRFL-Lanzhou facility]; measured reaction products and outgoing charged particles, angular distributions of charged particles using Si telescope and CsI(Tl) scintillator array. 9Li; deduced resonant states, relative energy spectrum of 6He+t cluster states from the decay of 9Li resonances, differential breakup cross-section, isoscalar monopole transition matrix element M(IS0) and monopole strength B(IS0), energy-weighted sum rule (EWSR) for the transferred angular momentum. DWBA and CDCC analysis of angular distributions, and GCM calculations for the cluster states in 9Li. Relevance to differences between the triton and α clusters, and impact of these differences on the formation of nuclei containing triton clusters.

doi: 10.1103/PhysRevC.103.L061302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0273. Data from this article have been entered in the XUNDL database. For more information, click here.


2021OG04      Phys.Rev. C 104, 044608 (2021)

S.Ogawa, T.Matsumoto, Y.Kanada-Enyo, K.Ogata

Investigation of multistep effects for proton inelastic scattering to the 2+1 state in 6He

NUCLEAR REACTIONS 40Ca(6Li, 6Li'), E*<10 MeV; calculated breakup σ(E). 40Ca(6Li, 6Li), (6Li, 6Li'), E=26 MeV/nucleon; calculated σ(θ).1H(6He, 6He), (6He, 6He'), E=25, 41 MeV/nucleon; calculated breakup cross section for 41 MeV/nucleon, elastic and inelastic σ(θ, E) for 25 and 41 MeV/nucleon. 6Li; calculated 2+ pseudostates, and fragmented resonant states, radial wave functions, and probability densities. Continuum discretized coupled-channels method (CDCC).

doi: 10.1103/PhysRevC.104.044608
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2021SH14      Phys.Rev. C 103, 034312 (2021)

Y.Shikata, Y.Kanada-En'yo

Low-energy dipole excitation mode in 18O with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 18O; calculated K-projected energy curves as a function of β, intrinsic density distributions of the basis wave functions, levels, J, K, π, B(E2) for the ground band and 14C+α cluster band, GCM amplitudes for the 1- states, B(E1), B(toroidal dipole, TD), B(compressive dipole, CD), and B(isoscalar dipole, ISD) strengths, TD and CD strength densities. Low-energy dipole (LED) excitations investigated by a combination of the variation after K projection (K-VAP) in the framework of antisymmetrized molecular dynamics (AMD) with β constraint in the generator coordinate method. Comparison with available experimental data.

doi: 10.1103/PhysRevC.103.034312
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2021SH31      Phys.Rev. C 104, 034314 (2021)

Y.Shikata, Y.Kanada-Enyo

Low-energy dipole excitations in 20O with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 20O; calculated levels, J, π, low-energy dipole (LED) excitations, B(E1), excited bands of Kπ=0+, 0- and 1- with cluster structures, K-projected energy curves as function of β2, matter density contours, GCM amplitudes of positive-, and negative-parity states, density distribution contours of protons, transition current densities, toroidal dipole (TD) strength densities. 16,18,20O; energies of 0+ and 1- levels, intrinsic matter density contours of excited states, isoscalar (IS) dipole strength, proton, and neutron components of toroidal dipole (TD) and compressive dipole (CD) strengths, B(E1) for first two 1- states. Variation after K projection (K-VAP) and deformation β-constraint antisymmetrized molecular dynamics (AMD) combined with the generator coordinate method (GCM) for low-energy dipole excitations. Comparison with available experimental data.

doi: 10.1103/PhysRevC.104.034314
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2021TA11      Phys.Rev. C 103, L031305 (2021)

Y.Taniguchi, K.Yoshida, Y.Chiba, Y.Kanada-En'yo, M.Kimura, K.Ogata

Unexpectedly enhanced α-particle preformation in 48Ti probed by the (p, pα) reaction

NUCLEAR REACTIONS 48Ti(p, pα)44Ca, E=101.5 MeV; calculated wave-function density distribution contours for α+44Ca system, reduced width amplitude (RWA), triple-differential cross sections via distorted wave impulse approximation (DWIA), binding energy, charge radii, and E2 transition matrix of 44Ti using mean-field solution and α+44Ca wave function; deduced unexpected enhanced α-particle preformation in medium-mass 48Ti nucleus.

doi: 10.1103/PhysRevC.103.L031305
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2020KA04      Phys.Rev. C 101, 014317 (2020)

Y.Kanada-En'yo, K.Ogata

Cluster structures and monopole transitions of 14C

NUCLEAR STRUCTURE 14C; calculated low-lying positive-parity levels, J, rms radii, monopole (E0) transition strengths from the ground state, squared overlap with 10Be g.s. and α wave function, B(E2) for 2+ states, components of tetrahedral, planar and linear configurations in 0+ states, proton and neutron matter and transition densities. Variation after parity and angular-momentum projections in the antisymmetrized molecular dynamics (AMD) approach, combined with generator coordinate method (GCM) for 3α+nn cluster. Comparison with available experimental data.

NUCLEAR REACTIONS 14C(α, α'), E=140, 400 MeV; calculated differential σ(E, θ) using the microscopic coupled-channel (MCC) calculations using the matter and transition densities obtained by VAP+cluster and GCM. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.014317
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2020KA32      Phys.Rev. C 101, 064308 (2020)

Y.Kanada-En'yo, K.Ogata

Properties of Kπ = 0+1, Kπ = 2- and Kπ = 0-1 bands of 20Ne probed via proton and α inelastic scattering

NUCLEAR STRUCTURE 20Ne; calculated levels, J, π, Kπ, rms matter radii, density distribution contours of intrinsic wavefunctions, B(E2), B(E3), B(E4), isoscalar dipole strength B(IS1), electric quadrupole moment, and transition densities using antisymmetrized molecular dynamics (AMD) and cluster models (CM). Comparison with experimental data.

NUCLEAR REACTIONS 20Ne(p, p), (p, p'), E=25, 30, 35 MeV; 20Ne(α, α), (α, α'), E=104, 146, 386 MeV; calculated σ(E, θ) using microscopic coupled-channel (MCC)+AMD, distorted wave born approximation (DWBA)+AMD, and MCC+CM. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.064308
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2020KA34      Phys.Rev. C 101, 064607 (2020)

Y.Kanada-En'yo, K.Ogata

Transition properties of low-lying states in 28Si probed via inelatic proton and α scattering

NUCLEAR STRUCTURE 28Si; calculated levels, J, π, intrinsic wavefunction density distributions, matter densities, point-proton rms radii, B(E2), B(E3), isoscalar monopole and dipole transition probabilities, elastic and inelastic form factors using antisymmetrized molecular dynamics (AMD) framework. Comparison with experimental data.

NUCLEAR REACTIONS 28Si(α, α), (α, α'), E=120, 130, 240, 400 MeV; 28Si(p, p), (p, p'), E=65, 100, 180 MeV; calculated differential σ(E, θ) using microscopic coupled-channel (MCC) approach, with matter and transition densities obtained from the AMD calculation. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.064607
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2020KA36      Phys.Rev. C 102, 014607 (2020)

Y.Kanada-Enyo, Y.Shikata, Y.Chiba, K.Ogata

Neutron dominance in excited states of 26Mg and 10Be probed by proton and α inelastic scattering

NUCLEAR STRUCTURE 10Be, 26Mg; calculated levels, J, π, rms proton-, neutron-, and matter-radii, isoscalar monopole strengths for E0 transitions, B(E2), B(E1), B(E3), B(E4), charge form factors, and proton and neutron diagonal and transition densities, proton and neutron densities of various states in 10Be using antisymmetrized molecular dynamics (AMD) model. Comparison with experimental data.

NUCLEAR REACTIONS 26Mg(p, p'), (p, p), E=24, 40, 60, 100 MeV; 26Mg(α, α'), (α, α), E=104, 120, 240, 400 MeV; 10Be, 10C(p, p'), (p, p), E=25, 40, 45, 60, 100 MeV; 26Mg(α, α'), (α, α), E=25, 68, 100 MeV/nucleon; calculated differential σ(θ, E), radial dependences and volume integrals of the real and imaginary parts of the present microscopic potentials. Microscopic coupled-channel (MCC) method with Melbourne g-matrix folding approach and using the matter and transition densities of the target nuclei from AMD calculations. Comparison with experimental data. Discussed cluster bands.

doi: 10.1103/PhysRevC.102.014607
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2020SH18      Prog.Theor.Exp.Phys. 2020, 073D01 (2020)

Y.Shikata, Y.Kanada-Enyo

Variation after K-projection in antisymmetrized molecular dynamics for low-energy dipole excitations in 10Be and 16O

NUCLEAR STRUCTURE 10Be, 16O; calculated energy surfaces and levels, J, π, low-energy dipole excitations energies and transition strengths using the framework of antisymmetrized molecular dynamics with the β-constraint.

doi: 10.1093/ptep/ptaa092
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2019FU02      Nucl.Phys. A983, 38 (2019)

T.Fukui, Y.Kanada-En'yo, K.Ogata, T.Suhara, Y.Taniguchi

Investigation of spatial manifestation of α clusters in 16O via α-transfer reactions

NUCLEAR REACTIONS 12C(6Li, d)16O, E=42.1, 48.2 MeV; calculated 12C-α relative wave functions of 16O gs vs distance using Orthogonality Condition Model (OCM) with different phenomenological optical phenomenological Potential Model (PM) with microscoppically calculated 0+1 and 0+2 states from Orthogonality Condition Model (OCM) and Five-Body Model (5BM) using finite-range DWBA with Reduced-Width Amplitude (RWA) of clusters` surface distribution of α-clusters, σ(θ) to 0+1, 0+2 and excited states. Compared to data.

doi: 10.1016/j.nuclphysa.2018.12.024
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2019FU07      Phys.Rev. C 100, 054322 (2019)

T.Furuno, T.Kawabata, S.Adachi, Y.Ayyad, Y.Kanada-En'yo, Y.Fujikawa, K.Inaba, M.Murata, H.J.Ong, M.Sferrazza, Y.Takahashi, T.Takeda, I.Tanihata, D.T.Tran, M.Tsumura

Neutron quadrupole transition strength in 10C deduced from the 10C(α, α') measurement with the MAIKo active target

NUCLEAR REACTIONS 4He(10C, α'), E=68 MeV/nucleon, [secondary 10C beam from 9Be(12C, X), E=96 MeV/nucleon primary reaction at the cyclotron facility of RCNP-Osaka and transported to the MAIko active target]; measured scattered 10C and α particles, particle-identification (PID) of recoils, σ(θ). 10C; deduced transition matrix elements of proton (Mp) and neutron (Mn) from the ground state to the first 2+ state in 10C, Mn/Mp ratio. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.100.054322
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2642. Data from this article have been entered in the XUNDL database. For more information, click here.


2019IT01      Prog.Theor.Exp.Phys. 2019, 063D02 (2019)

N.Itagaki, H.Matsuno, Y.Kanada-En'yo

Short-range and tensor correlations in 4He and 8Be studied with the antisymmetrized quasi-cluster model

NUCLEAR STRUCTURE 4He, 8Be; calculated energies, radii, and probabilities, pair wave functions.

doi: 10.1093/ptep/ptz046
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2019KA24      Phys.Rev. C 99, 064601 (2019)

Y.Kanada-En'yo, K.Ogata

α scattering cross sections on 12C with a microscopic coupled-channels calculation

NUCLEAR REACTIONS 12C(α, α), (α, α'), E=130, 172.5, 240, 386 MeV; calculated differential σ(θ, E) using coupled-channels calculation with microscopic potentials.

NUCLEAR STRUCTURE 12C; calculated levels, rms charge radii, B(E2), E0 strength, B(E3), B(E4), isoscalar B(E1), squared charge form factors, proton densities. Antisymmetrized molecular dynamics (AMD) with and without the 3α generator coordinate method (GCM). Comparison with experimental data, and with calculations using resonating group method (RGM).

doi: 10.1103/PhysRevC.99.064601
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2019KA25      Phys.Rev. C 99, 064608 (2019)

Y.Kanada-En'yo, K.Ogata

First microscopic coupled-channels calculation of cross sections for inelastic α scattering off 16O

NUCLEAR REACTIONS 16O(α, α'), E=104, 130, 146, 386 MeV; calculated differential σ(θ, E) using coupled-channels calculation with microscopic potentials.

NUCLEAR STRUCTURE 16O; calculated levels, J, π, rms charge radii, B(E2), E0 strengths, B(E3), B(E4), isoscalar B(E1), transition density, squared charge form factors, proton densities. Variation after spin parity projections (VAP) combined with the generator coordinate method (GCM) of the 12C+α cluster in antisymmetrized molecular dynamics (AMD) framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.064608
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2019KA28      Phys.Rev. C 100, 014301 (2019)

Y.Kanada-En'yo, Y.Shikata

Isoscalar dipole excitations in 16O

NUCLEAR STRUCTURE 16O; calculated binding energies, excitation energies, density distributions, rms matter radii, isoscalar monopole (IS0) and dipole (IS1) transition matrix elements, transition probabilities, IS0 and IS1 elastic and inelastic form factors, transition densities and currents of 0+ and 1- states, energy weighted strength functions of compressive dipole (CD) and toroidal dipole (TD) transitions; deduced that significant strengths of the IS monopole and dipole transitions lie in the low-energy region below the giant resonances, from a variety of low-energy dipole modes such as the vortical dipole mode in the first 1 state of the vibrating tetrahedral 4α and the 12C+α cluster structure in the second 1 state. Shifted basis antisymmetrized molecular dynamics, combined with generator coordinate method.

doi: 10.1103/PhysRevC.100.014301
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2019KA31      Prog.Theor.Exp.Phys. 2019, 073D01 (2019)

Y.Kanada-En'yo, M.Isaka, T.Motoba

Energy spectra in p-shell Λ hypernuclei and 19ΛF and spin-dependent ΛN interactions

NUCLEAR STRUCTURE 19F; analyzed available data; calculated hypernuclei energies, J, π.

doi: 10.1093/ptep/ptz054
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2019KA52      Phys.Rev. C 100, 064616 (2019)

Y.Kanada-En'yo, K.Ogata

Microscopic calculation of inelastic proton scattering off 18O, 10Be, 12Be, and 16C to study neutron excitation in neutron-rich nuclei

NUCLEAR REACTIONS 10Be(p, p), (p, p'), E=60 MeV; 10C(p, p), (p, p'), E=45 MeV; 12Be(p, p), (p, p'), E=55 MeV; 12C(p, p), (p, p'), E=35, 65, 135 MeV; 16C(p, p), E=50 MeV; 16C(p, p'), E=33 MeV; 16O(p, p), (p, p'), E=35, 135 MeV; 18O(p, p), (p, p'), E=24.5, 35, 43, 135 MeV; 18O(n, n), (n, n'), E=24 MeV; calculated elastic and inelastic σ(E, θ) for the excitation of the first 2+ states, form factors, neutron and proton densities using microscopic coupled-channel (MCC) calculations, with the proton-nucleus potentials from Melbourne g-matrix NN interaction, and the matter and transition densities of the target nuclei from antisymmetrized molecular dynamics (AMD) and generator coordinate method (GCM). Comparison with experimental data, and with theoretical calculations using other methods.

doi: 10.1103/PhysRevC.100.064616
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2019LY01      Phys.Rev. C 99, 064610 (2019)

M.Lyu, K.Yoshida, Y.Kanada-En'yo, K.Ogata

Direct probing of the cluster structure in 12Be via the α-knockout reaction

NUCLEAR REACTIONS 12Be(p, pα), E=250 MeV; calculated triple differential σ(E, θ) using distorted-wave impulse-approximation framework (DWIA) for the α-knockout, and Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions.

NUCLEAR STRUCTURE 12Be; calculated energies of g.s., first excited 0+ and 2+ levels, distribution contours of valence neutrons occupying molecular orbits, energy curves along β deformation parameter, probability of clustering components such as α+8He, α-cluster wave functions. Comparison with experimental values, and with other theoretical predictions.

doi: 10.1103/PhysRevC.99.064610
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2019SH25      Prog.Theor.Exp.Phys. 2019, 063D01 (2019)

Y.Shikata, Y.Kanada-En'yo, H.Morita

Low-energy dipole excitation modes in 10Be

NUCLEAR STRUCTURE 10Be; calculated dipole transition strengths, α- and 2n-cluster distributions, transition current densities.

doi: 10.1093/ptep/ptz049
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2019YO04      Phys.Rev. C 100, 044601 (2019)

K.Yoshida, Y.Chiba, M.Kimura, Y.Taniguchi, Y.Kanada-En'yo, K.Ogata

Quantitative description of the 20Ne(p, pα)16O reaction as a means of probing the surface α amplitude

NUCLEAR REACTIONS 20Ne(p, pα)16O, E=101.5 MeV; calculated differential σ(θ) and reduced width amplitudes (RWA) within the Distorted Wave Impulse Approximation (DWIA) framework. Antisymmetrized Molecular Dynamics (AMD) used to describe α cluster states of 20Ne, and its RWA obtained by the Laplace expansion method. Comparison made with available experimental data. The cross section for this reaction is quantitatively reproduced by this framework. Investigated relationship between the α cluster wave function and the α knockout cross section.

doi: 10.1103/PhysRevC.100.044601
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2019ZH33      Phys.Rev. C 100, 014306 (2019)

Q.Zhao, Z.Ren, M.Lyu, H.Horiuchi, Y.Kanada-En'yo, Y.Funaki, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada, B.Zhou

Investigation of isospin-triplet and isospin-singlet pairing in the A=10 nuclei 10B, 10Be, and 10C with an extension of the Tohsaki-Horiuchi-Schuck-Ropke wave function

NUCLEAR STRUCTURE 10Be, 10B, 10C; calculated ground state energies, first 1+ energy in 10B, overlap between total wave function, molecular-orbit component, and pairing component, density distributions of valence nucleons, and average distance between nucleons, and optimized β parameters for the wave functions of ground states and first 1+ state in 10B. Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function, with and without pairing effects. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.014306
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2018KA09      Phys.Rev. C 97, 014303 (2018)

Y.Kanada-Enyo, Y.Shikata, H.Morita

Cluster and toroidal aspects of isoscalar dipole excitations in 12C

NUCLEAR STRUCTURE 12C; calculated isoscalar dipole strength functions and energy-weighted strengths of toroidal dipole (TD), compressive dipole (CD), and vortical dipole (VD) transitions, EWSR ratio of the energy-weighted isoscalar dipole (IS1) strengths, occupation probability of harmonic oscillator quanta in shell-model basis expansion of 0+ and 1- states, density distributions of the dominant configurations for 0+ and 1- states, transition current density for 0+ to 1- transition, 3α cluster states. Cluster and toroidal aspects of isoscalar dipole (ISD) excitations, based on shifted-basis antisymmetrized molecular dynamics (sAMD)+generator coordinate method (GCM), and the sAMD with various configurations.

doi: 10.1103/PhysRevC.97.014303
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2018KA13      Phys.Rev. C 97, 024330 (2018)

Y.Kanada-Enyo

Excitation energy shift and size difference of low-energy levels in p-shell Λ hypernuclei

NUCLEAR STRUCTURE 2,3H, 4He, 6Li, 8Be, 10,11B, 11,12C; calculated binding energies, relative energies from the cluster-decay threshold, rms matter radii, B(E2). 5He, 7Li, 9Be, 11,12B, 12,13C; calculated levels, J, π, properties of ground states and excited states in Λ hypernuclei such as distribution size, averaged Fermi momentum, core nuclear size, nuclear size change, nuclear energy change, difference of Λ energy with and without core polarization, Λ binding energy, B(E2), Λ density and nuclear density distributions, α-d distances in 6Li and 7Li hypernucleus, α-α distances in 8Be and 9Be hypernucleus, with ESC08a(DI) and ESC08a(DD) microscopic cluster model calculations. Comparison with available experimental data.

doi: 10.1103/PhysRevC.97.024330
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2018KA17      Phys.Rev. C 97, 034324 (2018)

Y.Kanada-En'yo

Structures of p-shell double-Λ hypernuclei studied with microscopic cluster models

NUCLEAR STRUCTURE 5He, 7,8Li, 9,10,11Be, 11,12B, 13C; calculated binding energies, Λ distribution size, averaged Fermi momentum, core nuclear size, nuclear size change, nuclear energy change, excitation energy shift, and nuclear size difference for ground and excited states of single hypernuclei. 8,9Li, 10,11,12Be, 12,13B, 14C; calculated levels, J, π of double hypernuclei, two-Λ and Λ-Λ binding energies, Λ distribution size, averaged Fermi momentum, core nuclear size, nuclear size change, nuclear energy change, and ΛΛ bond energy for ground and excited states of double hypernuclei. Microscopic cluster models for nuclear structure and a folding potential model for hyperons.

doi: 10.1103/PhysRevC.97.034324
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2018LY02      Phys.Rev. C 97, 044612 (2018)

M.Lyu, K.Yoshida, Y.Kanada-Enyo, K.Ogata

Manifestation of α clustering in 10Be via α-knockout reaction

NUCLEAR REACTIONS 10Be(p, pα), E=250 MeV; calculated reduced width amplitude (RWA), triple differential σ(E, θ1, θ2), and transition matrix density by Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function using the distorted-wave impulse approximation (DWIA) framework; deduced manifestation of α clustering in 10Be through the investigation of proton-induced α-knockout reactions.

doi: 10.1103/PhysRevC.97.044612
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2018MA65      Phys.Rev. C 98, 054306 (2018)

H.Matsuno, Y.Kanada-En'yo, N.Itagaki

Tensor correlations in 4He and 8Be within an antisymmetrized quasicluster model

NUCLEAR STRUCTURE 4He, 8Be; calculated binding energy, energies, radii, and state probabilities with different interactions, g.s. matter density distribution, rms matter radii, squared overlap, and g.s. radial pair wave functions using tensor version of the antisymmetrized quasicluster model (AQCM-T) with V2m interactions. Comparison with available experimental values.

doi: 10.1103/PhysRevC.98.054306
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2018MO23      Phys.Rev. C 98, 034307 (2018)

H.Morita, Y.Kanada-En'yo

Low-energy Gamow-Teller transitions in deformed N=Z odd-odd nuclei

NUCLEAR STRUCTURE 22Na; calculated levels, J, π, electric quadrupole and magnetic dipole moments, B(E2), B(M1), K=0, 1, 2, 3 bands, B(GT) of transition from levels in 22Ne to 22Na. 22Ne; calculated levels, J, π, K=0 and 2 bands. 10Be, 10B; calculated levels, J, π, B(GT) of transition from levels in 10Be to 10B. 10B, 10Be, 22Ne, 22Na; calculated two-nucleon-pair density contours. Tβγ-antisymmetrized molecular dynamics (AMD) with generator coordinate method (GCM). Comparison with available experimental data.

doi: 10.1103/PhysRevC.98.034307
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2018YO09      Phys.Rev. C 98, 024614 (2018)

K.Yoshida, K.Ogata, Y.Kanada-Enyo

Investigation of α clustering with knockout reactions

NUCLEAR REACTIONS 20Ne(p, pα)16O, E=100392 MeV; 120Sn(p, pα)116Cd, E=392 MeV; calculated differential σ(E), masking functions, α-cluster amplitudes using distorted wave impulse approximation (DWIA) framework in α knockout reactions.

doi: 10.1103/PhysRevC.98.024614
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2017KA06      Phys.Rev.Lett. 118, 052701 (2017)

T.Kawabata, Y.Fujikawa, T.Furuno, T.Goto, T.Hashimoto, M.Ichikawa, M.Itoh, N.Iwasa, Y.Kanada-Enyo, A.Koshikawa, S.Kubono, E.Miyawaki, M.Mizuno, K.Mizutani, T.Morimoto, M.Murata, T.Nanamura, S.Nishimura, S.Okamoto, Y.Sakaguchi, I.Sakata, A.Sakaue, R.Sawada, Y.Shikata, Y.Takahashi, D.Takechi, T.Takeda, C.Takimoto, M.Tsumura, K.Watanabe, S.Yoshida

Time-Reversal Measurement of the p -Wave Cross Sections of the 7Be(n, α)4Fe Reaction for the Cosmological Li Problem

NUCLEAR REACTIONS 4He(α, n), E=39.15, 38.76 MeV; measured reaction products, En, In, Eγ, Iγ; deduced σ(θ), σ. Comparison with available data.

doi: 10.1103/PhysRevLett.118.052701
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23366.


2017KA28      Phys.Rev. C 95, 064319 (2017)

Y.Kanada-Enyo, Y.Shikata

Toroidal, compressive, and E1 properties of low-energy dipole modes in 10Be

NUCLEAR STRUCTURE 10Be; calculated energy-weighted dipole (E1) strengths of giant resonances, intrinsic proton and neutron density distributions and transition current densities. Shifted-basis antisymmetrized molecular dynamics (sAMD), combined with the α-cluster generator coordinate method (αGCM) taking into account 1p-1h excitations and large amplitude cluster modes to describe low-energy dipole strengths for cluster modes and high-energy ones for GDRs.

doi: 10.1103/PhysRevC.95.064319
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2017KA43      Phys.Rev. C 96, 034306 (2017); Erratum Phys.Rev. C 101, 069901 (2020)

Y.Kanada-Enyo

Tetrahedral 4α and 12C + α cluster structures in 16O

NUCLEAR STRUCTURE 16O; calculated binding energy, rms radius, 12C+α threshold energy, levels, J, π, B(E2), B(E3), B(E4), and isoscalar dipole transition strength, density distribution contours in the intrinsic states, tetrahedral 4α component in the 16O wave functions, 12C(g.s.)+α component in the positive- and negative-parity states, α-decay widths and reduced widths for decay of excited states in 16O. Variation after spin-parity projection (VAP) in the antisymmetrized molecular dynamics (AMD) model combined with the generator coordinate method of 12C+α cluster. Comparison with available experimental data.

doi: 10.1103/PhysRevC.96.034306
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2017MA34      Prog.Theor.Exp.Phys. 2017, 063D01 (2017)

H.Matsuno, N.Itagaki, T.Ichikawa, Y.Yoshida, Y.Kanada-Enyo

Effect of 12C + α clustering on the E0 transition in 16O

NUCLEAR STRUCTURE 16O; analyzed available data; deduced the mixing effect of 3α and α breaking components in the 12C cluster on the E0 transitions.

doi: 10.1093/ptep/ptx065
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2017MO34      Phys.Rev. C 96, 044318 (2017)

H.Morita, Y.Kanada-Enyo

Gamow-Teller transitions and proton-neutron pair correlation in N = Z odd-odd p-shell nuclei

NUCLEAR STRUCTURE 6Li, 10B, 14N; calculated levels, J, π, binding energies, magnetic dipole and electric quadrupole moments, B(M1), B(E2). 6He, 6Li; 10Be, 10B; 14C, 14N; calculated Gamow-Teller transition strengths for transitions from initial states in 6He, 10Be and 14C to final states in 6Li, 10B and 14N, respectively, two-nucleon-pair density contours. Isospin-projected and βγ-constraint antisymmetrized molecular dynamics (AMD) combined with the generator coordinate method (GCM). Comparison with experimental data, and with shell-model calculations.

doi: 10.1103/PhysRevC.96.044318
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2016FR01      Phys.Rev. C 93, 014321 (2016)

A.Fritsch, S.Beceiro Novo, D.Suzuki, W.Mittig, J.J.Kolata, T.Ahn, D.Bazin, F.D.Becchetti, B.Bucher, Z.Chajecki, X.Fang, M.Febbraro, A.M.Howard, Y.Kanada-En'yo, W.G.Lynch, A.J.Mitchell, M.Ojaruega, A.M.Rogers, A.Shore, T.Suhara, X.D.Tang, R.Torres-Isea, H.Wang

One-dimensionality in atomic nuclei: A candidate for linear-chain α clustering in 14C

NUCLEAR REACTIONS 4He(10Be, α), E=39.7 MeV, [secondary 10Be beam from 13C(11B, 10B), E=46 MeV primary reaction]; measured particle spectra, differential cross sections for elastic and inelastic scattering, angular distributions using the prototype active target-time projection chamber (PAT-TPC) at Notre Dame TwinSol facility. 14C; deduced levels, α-resonances, J, π, band, α-widths, L-transfers, spectroscopic factors. R-matrix analysis. Comparison with predictions of antisymmetrized molecular dynamics (AMD) theory, and evidence for a 3α-linear chain structure in 14C.

doi: 10.1103/PhysRevC.93.014321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016FU03      Phys.Rev. C 93, 034606 (2016)

T.Fukui, Y.Taniguchi, T.Suhara, Y.Kanada-Enyo, K.Ogata

Probing surface distributions of α clusters in 20Ne via α-transfer reaction

NUCLEAR REACTIONS 16O(6Li, d)20Ne, E=20.0, 42.1 MeV; calculated differential σ(θ, E); deduced α-cluster structure from observables, and sensitivity of surface region of the cluster wave function to cross section. Coupled-channel Born approximation (CCBA) calculations based on three-body α+d+16O structure with microscopic cluster model (MCM) wave functions from generator coordinate method, and phenomenological two-body potential model (PM). Comparison with experimental data.

doi: 10.1103/PhysRevC.93.034606
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2016KA08      Phys.Rev. C 93, 024322 (2016)

Y.Kanada-Enyo

Isovector and isoscalar dipole excitations in 9Be and 10Be studied with antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 8,9,10Be; calculated density distributions of intrinsic wave functions of ground states, energy-weighted E1 strengths, isovector and isoscalar B(E1) for GDR, excitation energy and E1 strength for 9,10Be, E1 cross sections and B(E1) for 1/2+, 3/2+, and 5/2+ states in 9Be in <10 MeV excitation region. Shifted basis antisymmetrized molecular dynamics (AMD) combined with the α-cluster generator coordinate method (GCM). Comparison with experimental data.

doi: 10.1103/PhysRevC.93.024322
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2016KA19      Phys.Rev. C 93, 054307 (2016)

Y.Kanada-En'yo

Isoscalar monopole and dipole excitations of cluster states and giant resonances in 12C

NUCLEAR STRUCTURE 12C; calculated isoscalar monopole (ISM) and dipole (ISD) strengths, density distribution of 12C ground-state intrinsic wave function, energy-weighted ISM strengths for 0+ states. Shifted antisymmetrized molecular dynamics (AMD) plus 3α-cluster generator coordinate method (GCM), with small-amplitude vibration described as one-particle one-hole excitations and the large-amplitude by 3α-cluster wave functions. Comparison with experimental data for (e, e'), (α, α') and (6Li, 6Li').

doi: 10.1103/PhysRevC.93.054307
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2016KA35      Phys.Rev. C 94, 024326 (2016)

Y.Kanada-En'yo

Monopole transitions to cluster states in 10Be and 9Li

NUCLEAR STRUCTURE 9Li, 10Be; calculated isoscalar monopole (ISM) transitions from the ground states to cluster states, levels, resonances, partial decay widths, ISM strength distributions, proton and matter radii, EWSR, energy-weighted ISM strengths, 6He+α and 6He+t components. Generator coordinate method (GCM), and 6He+α and 6He+t cluster models.

doi: 10.1103/PhysRevC.94.024326
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2016KI19      Eur.Phys.J. A 52, 373 (2016)

M.Kimura, T.Suhara, Y.Kanada-Enyo

Antisymmetrized molecular dynamics studies for exotic clustering phenomena in neutron-rich nuclei

NUCLEAR STRUCTURE 20,22,24,26,28,30,32,34Ne, 24,26,28,30,32,34,36,38,40Mg; calculated 2+1 state energy, B(E2) 20,26,32Ne; calculated proton density distribution, charge radius. 10,11,12Be; calculated levels, J, π. AMD (Antisymmetrized Molecular Dynamics). Compared with data.

doi: 10.1140/epja/i2016-16373-9
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2016KO09      Phys.Rev. C 93, 024310 (2016)

F.Kobayashi, Y.Kanada-Enyo

Analysis of the effect of core structure upon dineutron correlation using antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 10Be; calculated binding energy, S(2n), rms radii of matter, proton and neutron, expectation value of the squared neutron total spin using 2α cluster structure for 8Be core. 8Be; calculated binding energy. Effect of the structure of core (8Be) nucleus in dineutron formation. Antisymmetrized molecular dynamics (AMD) for dineutron correlation, with core plus two valence neutrons whose wave functions calculated by multirange Gaussians with the d-constraint method.

doi: 10.1103/PhysRevC.93.024310
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2016MO33      Prog.Theor.Exp.Phys. 216, 103D02 (2016)

H.Morita, Y.Kanada-Enyo

Isospin-projected antisymmetrized molecular dynamics and its application to 10B

NUCLEAR STRUCTURE 10B; calculated energy surfaces, density of states, energy levels, J, π, B(E2), B(M1). Antisymmetrized molecular dynamics method.

doi: 10.1093/ptep/ptw144
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2016YO04      Prog.Theor.Exp.Phys. 2016, 043D01 (2016)

Y.Yoshida, Y.Kanada-Enyo, F.Kobayashi

α-cluster excited states in 32S

NUCLEAR STRUCTURE 32S, 28Si; calculated energy expectation values, energy levels, α-decay width, α-cluster band. Comparison with available data.

doi: 10.1093/ptep/ptw016
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2016YO09      Prog.Theor.Exp.Phys. 2016, 123D04 (2016)

Y.Yoshida, Y.Kanada-Enyo

3α cluster structure and monopole transition in 12C and 14C

NUCLEAR STRUCTURE 12,14C; calculated 0+ energy spectra, 3α wavefunctions, energy surfaces, monopole transition strengths.

doi: 10.1093/ptep/ptw178
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2015KA02      Phys.Rev. C 91, 014315 (2015)

Y.Kanada-Enyo

Proton radii of Be, B, and C isotopes

NUCLEAR STRUCTURE 8,10,12,14,16,18Be; calculated binding energies, deformation parameter β. 11B, 12Be; calculated proton, neutron, and matter radii. 9,11,13,15,17,19B; calculated binding energies, electric quadrupole and magnetic dipole moments, distributions of proton, neutron, and matter density contours, deformation parameter β. 10,12,14,16,18,20C; calculated binding energies, energies of first 2+ states, B(E2), proton, neutron, and matter radii, distributions of proton, neutron, and matter density contours, deformation parameter β. 7,9,10,11,12,14Be; calculated distributions of proton, neutron, and matter density contours, α-α distance. Variation after spin-parity projection in the framework of antisymmetrized molecular dynamics (AMD+VAP). Impact of neutron number dependence of proton radii on the enhancement and weakening of cluster structures. Comparison with available experimental results.

doi: 10.1103/PhysRevC.91.014315
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2015KA03      Phys.Rev. C 91, 014316 (2015)

Y.Kanada-Enyo, T.Suhara

2α + t cluster feature of the 3/2-3 state in 11B

NUCLEAR STRUCTURE 11B, 12C; calculated rms radii of charge and matter density, energy contours of 3/2- states in 11B and 0+ states in 12C in 2α+t and 3α cluster systems, angular motion of t and α clusters around the 2α core. Variation after spin-parity projection in the framework of antisymmetrized molecular dynamics (AMD+VAP). Comparison with available experimental results.

doi: 10.1103/PhysRevC.91.014316
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2015KA07      Phys.Rev. C 91, 034303 (2015)

Y.Kanada-Enyo

Analysis of delocalization of clusters in linear-chain α-cluster states with entanglement entropy

doi: 10.1103/PhysRevC.91.034303
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2015KA17      Phys.Rev. C 91, 054323 (2015)

Y.Kanada-En'yo, H.Morita, F.Kobayashi

Proton and neutron correlations in 10B

NUCLEAR STRUCTURE 6Li, 9Be, 10B; calculated levels, J, π, magnetic dipole and electric quadrupole moments, B(M1), B(E2), charge radius, distributions of matter densities and 0+ states for 10B. Antisymmetrized molecular dynamics with variation after parity (AMD-VAP) using the phenomenological effective two-body interactions. Discussed 2α+pn model for effects of spin-orbit interaction on T=0 and T=1 pn pairs around the 2α core. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.054323
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2015KA53      Phys.Rev. C 92, 064326 (2015)

Y.Kanada-En'yo

10B + α states with chain-like structures in 14N

NUCLEAR STRUCTURE 14N; calculated levels, J, π, Kπ, bands using 10B+α cluster model, B(E2), partial α-decay widths, α-cluster probability, and enhanced component of a linear-chain 3α configuration in Kπ=3+ and 1+ rotational bands. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.064326
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2015SU04      Phys.Rev. C 91, 024315 (2015)

T.Suhara, Y.Kanada-En'yo

Effects of α-cluster breaking on 3α-cluster structures in 12C

NUCLEAR STRUCTURE 12C; calculated 0+ and 2+ levels, rms radii of 0+ states, squared overlaps between 0+ GCM wave functions and the p3/2 subshell closure wave function, monopole transition strengths, B(E2). α-cluster breaking caused by spin-orbit force. Hybrid model combining the Brink-Bloch α cluster model with the p3/2 subshell closure wave function. Comparison with results of other α-cluster model calculations, and with experimental data.

doi: 10.1103/PhysRevC.91.024315
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2014KA06      Phys.Rev. C 89, 024302 (2014)

Y.Kanada-En'yo

Cluster states and monopole transitions in 16O

NUCLEAR STRUCTURE 16O; calculated levels, J, π, charge radii, E0 transition matrix elements, EWSR of isoscalar E0 transitions, B(E2), band structure, 0+ states above the second 0+ state, 4α cluster gas states. 12C; calculated levels, J, π, density distribution. Antisymmetrized molecular dynamics (AMD), and generator coordinate method (GCM) with extended 12C+α cluster model. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.024302
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2014KA14      Phys.Rev. C 89, 044313 (2014)

Y.Kanada-Enyo, T.Suhara

Gamow-Teller transitions from the 14N ground state to the 14C ground and excited states

NUCLEAR STRUCTURE 14C; calculated levels, J, π, B(E2), B(M1), Gamow-Teller B(GT) strengths from 14N ground state to 14C ground and excited 0+, 1+ and 2+ states, density distribution of intrinsic wave functions, occupation probability, energy expectation values with the β-γ constraint. 14N; calculated density distribution of intrinsic wave functions obtained with the β-γ constraint. Effect of cluster correlations. Antisymmetrized molecular dynamics model (AMD+VAP method). Comparison with high-resolution charge-exchange reaction experimental data.

doi: 10.1103/PhysRevC.89.044313
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2014KA33      Prog.Theor.Exp.Phys. 2014, 073D02 (2014)

Y.Kanada-Enyo, T.Suhara, Y.Taniguchi

Approximation of reduced width amplitude and application to cluster decay width

RADIOACTIVITY 20Ne, 8Be(α); calculated α-decay widths, energy levels, J, π, negative parity state. 9Li; Reduced width amplitude, α cluster generator group method, comparison with available data.

doi: 10.1093/ptep/ptu095
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2014KA47      Phys.Rev. C 90, 054332 (2014)

Y.Kanada-Enyo, F.Kobayashi

Mixing of parity of a nucleon pair at the nuclear surface due to the spin-orbit potential in 18F

NUCLEAR STRUCTURE 18F; calculated levels, J, π, isospin T=0 and T=1 states, magnetic dipole moment, B(M1), B(GT). Generator coordinate method with the microscopic wave function based on three-body 16O+p+n model. Discussed effect of spin-orbit force on T=0 and T=1 pn pairs. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.054332
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2014KO03      Phys.Rev. C 89, 024315 (2014)

F.Kobayashi, Y.Kanada-En'yo

Dinucleon correlations in the ground states of *Li, 10Be, and 9, 10C

NUCLEAR STRUCTURE 9Li, 10Be, 9,10C; calculated effective dinucleon interaction and configuration, total energy, S(2n), matter, proton, and neutron radii, dineutron probability and energy surfaces of ground states using cluster and dineutron condensate wave functions with and without core cluster breaking, assuming α+t, α+α, and Α+3He cores. Dineutron and diproton correlations. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.024315
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2014KO36      Few-Body Systems 55, 941 (2014)

F.Kobayashi, Y.Kanada-Enyo

Dineutron Formation and Breaking in8He

NUCLEAR STRUCTURE 8He; calculated energies, J, π, matter-, proton-, and neutron radii. Comparison with experimental data.

doi: 10.1007/s00601-014-0850-2
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2014LA02      Phys.Rev. C 89, 014333 (2014)

J.A.Lay, A.M.Moro, J.M.Arias, Y.Kanada-En'yo

Semi-microscopic folding model for the description of two-body halo nuclei

NUCLEAR STRUCTURE 19C, 11Be; calculated levels, J, π, spectroscopic factors for ground state and low-lying resonances for one-neutron halo nuclei. 10Be, 18C; calculated neutron and proton transition densities for ground state and first 2+ state, rms radii. Particle-plus-core model (PRM), particle-core folding potential based in antisymmetrized molecular dynamics (AMD) transition densities (P-AMD), and shell model calculations using WBT interaction. Comparison of levels, J, π with experimental data.

doi: 10.1103/PhysRevC.89.014333
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2013CU05      Phys.Rev. C 88, 064317 (2013)

D.C.Cuong, D.T.Khoa, Y.Kanada-Enyo

Folding-model analysis of inelastic α+12C scattering at medium energies, and the isoscalar transition strengths of the cluster states of 12C

NUCLEAR REACTIONS 12C(α, α), (α, α'), E=240, 386 MeV; analyzed σ(E, θ) data for first 1-, 2+ and 3- states, second 2+ (Hoyle state), excited first and second 0+ states using DWBA and coupled channel methods; deduced best-fit M(E0), B(E1), B(E2), B(E3), distribution of isoscalar transition strength for second excited 0+ and second 2+. Folding model+coupled-channels analysis.

doi: 10.1103/PhysRevC.88.064317
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2013KA33      J.Phys.:Conf.Ser. 445, 012037 (2013)

Y.Kanada-En'yo, F.Kobayashi, T.Suhara

Structures of ground and excited states in C isotopes

NUCLEAR STRUCTURE 10,12,14,16,18,20C; calculated structure of excited states, B(E2) using AMD. B(E2) compared to data.

doi: 10.1088/1742-6596/445/1/012037
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2013KI01      Phys.Rev. C 87, 011301 (2013)

M.Kimura, Y.Taniguchi, Y.Kanada-Enyo, H.Horiuchi, K.Ikeda

Prolate, oblate, and triaxial shape coexistence, and the lost magicity of N=28 in 43S

NUCLEAR STRUCTURE 43S; calculated levels, J, π, deformation parameters, B(E2), B(M1), neutron single-particle energies, magnetic-dipole moment, electric quadrupole moment, negative-parity energy surface contours in β-γ plane using triaxial and axial generator coordinate methods (GCM). 47Ca; calculated levels, J, π, Antisymmetrized molecular dynamics (AMD). Coexistence of prolate-deformed, triaxially deformed, and oblate-deformed states, quenching of N=28 shell gap. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.011301
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2013KO23      Phys.Rev. C 88, 034321 (2013)

F.Kobayashi, Y.Kanada-Enyo

Dineutron formation and breaking in 8He

NUCLEAR STRUCTURE 6,8He; calculated level energies, matter, neutron and proton rms radii, proton and neutron one-body densities, overlap contours with dineutron condensate (DC) wave functions for ground states in 6,8He and first excited 0+ state in 8He; investigated energy behavior of two dineutrons in the α+2n+2n and t+2n+2n systems; compared the dineutron components in the ground states of 6He and 8He. Possibility of dineutron condensation in excited 0+ state of 8He. Framework of extended 6He+2n cluster wave function and the dineutron condensate (DC) wave function.

doi: 10.1103/PhysRevC.88.034321
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2013MA63      Nucl.Phys. A914, 280c (2013)

A.Martinez Torres, K.P.Khemchandani, D.Jido, Y.Kanada-Enyo, E.Oset

Three-body hadron systems with strangeness

doi: 10.1016/j.nuclphysa.2013.01.026
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2013SE18      Nucl.Phys. A914, 338c (2013)

T.Sekihara, J.Yamagata-Sekihara, D.Jido, Y.Kanada-Enyo

Mesonic and non-mesonic branching ratios of K- absorption in the nuclear medium

doi: 10.1016/j.nuclphysa.2013.02.002
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2012IC02      Phys.Rev. C 86, 031303 (2012)

T.Ichikawa, N.Itagaki, Y.Kanada-En'yo, Tz.Kokalova, W.von Oertzen

Search for three-α states around an 16O core in 28Si

NUCLEAR STRUCTURE 28Si; calculated 16O+α states including 24Mg+α, 16O12C basis wave functions, isoscalar monopole transition strengths, root-mean-square radii, density contours using Brink's α cluster model and the multiconfiguration mixing method. Hoyle-like 3α states.

doi: 10.1103/PhysRevC.86.031303
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2012KA02      Phys.Rev. C 85, 024303 (2012)

Y.Kanada-Enyo, T.Suhara

6He-triton cluster states in 9Li

NUCLEAR STRUCTURE 8Be; calculated α-α scattering phase shift, distribution of wave function amplitudes for 2+ state and resonance. 9Li; calculated energies of negative parity states, B(E2) strengths, density distributions contours, orbital energies as function of deformation, distribution of wave function amplitudes in 6He+t cluster. 10Be; calculated levels, J, π in 6He+t cluster; comparison with experimental level energies. 6He+t cluster generator coordinate method (GCM).

doi: 10.1103/PhysRevC.85.024303
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2012KA10      Phys.Rev. C 85, 044320 (2012)

Y.Kanada-Enyo

Breaking of N=8 magicity in 13Be

NUCLEAR STRUCTURE 12,13Be; calculated levels, J, π, contour plots of density distribution of intrinsic states, single-particle energies. Vanishing of N=8 magic number. Cluster structures in intruder states. Molecular orbits. 10,11,12,13,14Be; calculated energies, J, π of bandheads, configurations. Energy variation after spin-parity projection (VAP) method with wavefunctions from antisymmetrized molecular dynamics (AMD). Comparison with predictions of 12Be+n model. Comparison with experimental data, and with theoretically calculated structure in 11Be.

doi: 10.1103/PhysRevC.85.044320
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2012KI17      Prog.Theor.Phys.(Kyoto), Suppl. 196, 176 (2012)

M.Kimura, N.Furutachi, Y.Taniguchi, Y.Kanada-Enyo, H.Horiuchi

Clustering Aspects of Highly Excited States and Neutron-Rich Nuclei

NUCLEAR STRUCTURE 24,31Mg, 31Ne, 21F; calculated energy levels, J, π, energy surfaces, B(E2). Comparison with available data.

doi: 10.1143/PTPS.196.176
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2012KO45      Phys.Rev. C 86, 064303 (2012)

F.Kobayashi, Y.Kanada-Enyo

Novel cluster states in 10Be

NUCLEAR STRUCTURE 10Be; calculated levels, J, π, overlap contours of the third 0+ states with dineutron condensate (DC) wave functions, reduced α width amplitudes (RWA), α-decay widths, α spectroscopic factors total proton and neutron rms radii of 0+ states, monopole transition strengths. Hybrid model of dineutron condensate wave functions and 6He+α cluster wave functions. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.064303
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2012SE11      Phys.Rev. C 86, 065205 (2012)

T.Sekihara, J.Yamagata-Sekihara, D.Jido, Y.Kanada-Enyo

Branching ratios of mesonic and nonmesonic antikaon absorptions in the nuclear medium

doi: 10.1103/PhysRevC.86.065205
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2012SU08      Phys.Rev. C 85, 054320 (2012)

T.Suhara, Y.Kanada-Enyo

Cluster structures in 11B

NUCLEAR STRUCTURE 11B; calculated energy surface in β-γ plane, density distributions, levels, J, π, B(E2), B(E0, IS), rms radii using the method of β-γ constraint antisymmetrized molecular dynamics + the generator coordinate method (AMD+GCM). Discussed cluster structure, molecular orbital structures in association with those in 10B. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.054320
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2011HI01      Phys.Rev. C 83, 014321 (2011)

N.Hinohara, Y.Kanada-Enyo

Triaxial quadrupole deformation dynamics in sd-shell nuclei around 26Mg

NUCLEAR STRUCTURE 24Ne, 24,26Mg, 28Si; calculated collective potential contours in β-γ plane, neutron and proton pairing gaps, levels, J, π, B(E2) values, and spectroscopic quadrupole moments for ground-state bands, β-, and γ-vibrational states, vibrational wave functions, rotational moments of inertia, and E2 transition density contour plots in β-γ plane. Calculations based on quadrupole collective Hamiltonian constructed with the use of the constrained Hartree-Fock-Bogoliubov plus the local quasiparticle random-phase approximation (CHB+LQRPA) method. Large-amplitude quadrupole dynamics of axial and triaxial deformation. Comparison with experimental data for sd-shell nuclei.

doi: 10.1103/PhysRevC.83.014321
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2011IC02      Phys.Rev. C 83, 054319 (2011)

T.Ichikawa, Y.Kanada-Enyo, P.Moller

Cluster formations in deformed states for 28Si and 32S

NUCLEAR STRUCTURE 28Si, 32S; calculated potential-energy curves versus quadrupole moment, rotational levels for normal-deformed (ND) and superdeformed (SD) states, density distributions of neutron single-particle wave functions, coulomb barrier heights. Cluster formation and structures similar to 16O+12C, 24Mg+α, 16O+16O and 28Si+α reaction channels. Relation between the one-body deformed minima and the two-body molecular-resonance states. Macroscopic-microscopic model. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.054319
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2011KA22      Phys.Rev. C 84, 014313 (2011)

Y.Kanada-Enyo, Y.Hidaka

α-cluster structure and density waves in oblate nuclei

NUCLEAR STRUCTURE 12C, 28Si; calculated levels, J, π, B(E2) for Kπ=0+, 3- and 5- bands, energy expectation values, density, distributions. Antisymmetrized molecular dynamics (AMD) for α-cluster structures. Pentagon and triangle shapes in 28Si and 12C. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.014313
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2011KA26      Phys.Rev. C 84, 024317 (2011)

Y.Kanada-Enyo

Proton dominance in the 2+2 → 0+1 transition of N=Z ± 2 nuclei around 28Si

NUCLEAR STRUCTURE 30Si, 30S, 26Mg, 26Si; calculated single-particle energies, B(E2), μ and Q for mirror nuclei, M(n)/M(p) matrix amplitudes for first 2+ to g.s. transitions. 26Mg, 30Si; calculated level energies. 10,16C; calculated M(n)/M(p) ratios for first 2+ to g.s. transitions. Antisymmetrized molecular dynamics. Oblate trend in Z=14 proton structure. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.024317
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2011KA29      Phys.Rev. C 84, 054301 (2011)

Y.Kanada-Enyo, H.Feldmeier, T.Suhara

Two-neutron correlations in microscopic wave functions of 6He, 8He, and 12C

NUCLEAR STRUCTURE 6,8He, 12C; calculated one-body neutron density, two-neutron density contours, two-neutron correlations. Many body microscopic wave functions from antisymmetrized molecular dynamics (AMD).

doi: 10.1103/PhysRevC.84.054301
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2011KO33      Prog.Theor.Phys.(Kyoto) 126, 457 (2011)

F.Kobayashi, Y.Kanada-Enyo

A New Approach to Investigate Dineutron Correlation and Its Application to 10Be

NUCLEAR STRUCTURE 10B; calculated energy surfaces, dineutron energy around the 2α core, energy levels, J, π, neutron density, dineutron condensate (DC) wave functions. Antisymmetrized molecular dynamics (AMD+DC) method.

doi: 10.1143/PTP.126.457
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2011MA42      Phys.Rev. C 83, 065205 (2011)

A.Martinez Torres, D.Jido, Y.Kanada-Enyo

Theoretical study of the KKK(-bar) system and dynamical generation of the K(1460) resonance

doi: 10.1103/PhysRevC.83.065205
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2011SU17      Phys.Rev. C 84, 024328 (2011)

T.Suhara, Y.Kanada-Enyo

Be-α correlations in the linear-chain structure of C isotopes

NUCLEAR STRUCTURE 12,13,14,16C; calculated energy surface contours of positive-parity states in 14C and negative-parity states in 13C, energy curves with linear chain structures, folding potentials. Generalized molecular-orbital model for Be+α correlations in linear 3α and 3α+n systems.

doi: 10.1103/PhysRevC.84.024328
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2011TA13      Int.J.Mod.Phys. E20, 1046 (2011)

Y.Taniguchi, M.Kimura, Y.Kanada-Enyo, H.Horiuchi

Clustering correlations and triaxiality in the sd-shell region

NUCLEAR STRUCTURE 28Si, 40Ca; calculated level scheme, J, π, quadrupole deformation parameter; deduced superdeformed states in 28Si, oblate cluster, triaxiality.

doi: 10.1142/S0218301311019246
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2010JI17      Nucl.Phys. A835, 59c (2010)

D.Jido, T.Sekihara, Y.Ikeda, T.Hyodo, Y.Kanada-Enyo, E.Oset

The nature of Λ(1405) hyperon resonance in chiral dynamics

doi: 10.1016/j.nuclphysa.2010.01.175
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2010KA06      Phys.Rev. C 81, 034321 (2010)

Y.Kanada-Enyo

Gamow-Teller transitions from 9, 11Li to 9, 11Be

RADIOACTIVITY 9,11Li(β-); calculated Gamow-Teller transition strengths, sum rule, distributions of neutron and proton densities using antisymmetrized molecular dynamics. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.034321
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2010KI12      Nucl.Phys. A834, 482c (2010)

M.Kimura, N.Furutachi, Y.Kanada-Enyo

Alpha cluster states and molecular orbitals in sd-shell nuclei

NUCLEAR STRUCTURE 22Ne, 19,21,23,25,27,29F; calculated levels, J, π, rotational bands, matter and neutron densities using α+18O di-nuclei states within AMD. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.071
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2010SE19      Nucl.Phys. A835, 390c (2010)

T.Sekihara, D.Jido, Y.Kanada-Enyo

The Λ(1405)N → YN transition in the nuclear medium for non-mesonic absorption of a K(bar) in nuclei

doi: 10.1016/j.nuclphysa.2010.01.226
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2010SU02      Prog.Theor.Phys.(Kyoto) 123, 303 (2010)

T.Suhara, Y.Kanada-En'yo

Quadrupole Deformation β and γ Constraint in a Framework of Antisymmetrized Molecular Dynamics

NUCLEAR STRUCTURE 10Be, 12C, 9Li, 11B; calculated energy surfaces in β-γ plane, density distributions, energy levels, B(E2), root-mean-square radii.

doi: 10.1143/PTP.123.303
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2010SU24      Phys.Rev. C 82, 044301 (2010)

T.Suhara, Y.Kanada-Enyo

Cluster structures of excited states in 14C

NUCLEAR STRUCTURE 14C; calculated levels, J, π, B(E2) strengths, potential energy surfaces in β-γ plane, rms radii, proton and neutron density distributions using β-γ constrained antisymmetrized molecular dynamics (AMD) combined with the generator coordinate method (GCM). Three-α cluster core structures and 10Be+α correlations. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044301
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2010TA11      Phys.Rev. C 82, 011302 (2010)

Y.Taniguchi, Y.Kanada-Enyo, M.Kimura, K.Ikeda, H.Horiuchi, E.Ideguchi

Triaxial superdeformation in 40Ar

NUCLEAR STRUCTURE 40Ar; calculated levels, J, π, single-particle energies, triaxial superdeformed band, B(E2) using deformed-basis antisymmetrized molecular dynamics. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.011302
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2009FU09      Prog.Theor.Phys.(Kyoto) 122, 865 (2009)

N.Furutachi, M.Kimura, A.Dote, Y.Kanada-Enyo

Structures of Light Halo Nuclei

NUCLEAR STRUCTURE 4,6,8He, 8B, 9C; calculated radii, binding energies, magnetic dipole, electric quadrupole moments; deduced halo structures in 8B, 9C.

doi: 10.1143/PTP.122.865
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2009KA17      Phys.Rev. C 79, 054305 (2009)

Y.Kanada-Enyo, N.Hinohara, T.Suhara, P.Schuck

Dineutron correlations in quasi-two-dimensional systems in a simplified model, and possible relation to neutron-rich nuclei

doi: 10.1103/PhysRevC.79.054305
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2009SE08      Phys.Rev. C 79, 062201 (2009); Publishers note Phys.Rev. C 80, 019902 (2009)

T.Sekihara, D.Jido, Y.Kanada-En'yo

Λ(1405)-induced nonmesonic decay in kaonic nuclei

doi: 10.1103/PhysRevC.79.062201
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2009TA04      Prog.Theor.Phys.(Kyoto) 121, 533 (2009)

Y.Taniguchi, Y.Kanada-Enyo, M.Kimura

Deformations and Clustering Correlations in p- and sd-Shell Nuclei Using the Gogny and Skyrme Interactions

doi: 10.1143/PTP.121.533
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2008FU01      Prog.Theor.Phys.(Kyoto) 119, 403 (2008)

N.Furutachi, M.Kimura, A.Dote, Y.Kanada-En'yo, S.Oryu

Cluster Structures in Oxygen Isotopes

NUCLEAR STRUCTURE 16,18,20O; calculated level energies, J, π, B(E2) using the AMD plus GCM method. Cluster Structures.

doi: 10.1143/PTP.119.403
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2008JI08      Phys.Rev. C 78, 035203 (2008)

D.Jido, Y.Kanada-En'yo

K(K-bar)N molecule state with I=1/2 and JP=1/2+ studied with a three-body calculation

doi: 10.1103/PhysRevC.78.035203
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