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NSR database version of April 11, 2024.

Search: Author = N.Itagaki

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2023FU02      Prog.Theor.Exp.Phys. 2023, 063D02 (2023)

T.Furumoto, T.Suhara, N.Itagaki

Systematic study of the relationship between nuclear structure and reactions for the 10Be nucleus

NUCLEAR STRUCTURE 10Be; calculated binding energies, charge and matter radii, B(Eλ). Comparison with available data.

NUCLEAR REACTIONS 12C(10Be, 10Be), E=59.4 MeV/nucleon; calculated σ(θ), σ.

doi: 10.1093/ptep/ptad070
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2023HO01      Phys.Rev. C 107, L021304 (2023)

W.Horiuchi, N.Itagaki

Imprints of α clustering in the density profiles of 12C and 16O

NUCLEAR STRUCTURE 12C, 16O; calculated one-body nucleon density distributions, charge form-factors. Calculations performed using basis states of the antisymmetrized quasicluster model (AQCM), which can describe both the shell and α-cluster configurations in a single scheme. Confirmed a significant amount of α-cluster components included in the ground state wave functions in 12C and 16O.

NUCLEAR REACTIONS 12C, 16O(p, p'), E=1000 MeV; calculated σ(θ). Comparison to experimental data.

doi: 10.1103/PhysRevC.107.L021304
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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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2023YA22      Phys.Rev. C 108, L011304 (2023)

Y.Yamaguchi, W.Horiuchi, T.Ichikawa, N.Itagaki

Dineutron-dineutron correlation in 8He

NUCLEAR STRUCTURE 8He; calculated potential energy surface of Jπ=0+ for the α+2n+2n configuration, energy convergence of lowest Jπ=0+ state, point-matter one body density distribution, neutron and proton one body density distributions of 8He, rms point-proton and matter radii, ground state energy, squared overlap between the ground state of 8He and 4He+2n+2n cluster configuration, quadrupole deformation parameter of 4He+2n+2n cluster configuration. Microscopic 4He+4n model, with antisymmetrized wave function and basis states constructed with different neutron configurations and superposed using the generator coordinate method (GCM). Comparison to available experimental data.

NUCLEAR REACTIONS 8He(p, p), E=680 MeV; calculated proton-nucleus elastic σ(θ). C(8He, X), E=790/MeV nucleon; calculated total σ. Calculation based on Glauber model with 4He+4n wave function. Comparison with available experimental data.

doi: 10.1103/PhysRevC.108.L011304
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2023YA23      Phys.Rev. C 108, 014322 (2023)

Y.Yamaguchi, W.Horiuchi, N.Itagaki

Evidence of bicluster structure in the ground state of 20Ne

NUCLEAR REACTIONS C(20Ne, X), E=150-1000 MeV; calculated total σ(E). 20Ne(p, p), E=800 MeV; calculated proton-nucleus elastic σ(θ). 20Ne(e, e'), E not given; calculated elastic charge form factor as a function of the momentum transfer. Antisymmetrized quasicluster model (AQCM) with 4 configurations - j-j coupling, SU(3) shell model, 5α- and 16O+α- like cluster configurations. Comparison to the experimental data.

NUCLEAR STRUCTURE 20Ne; calculated nucleon density distributions.

doi: 10.1103/PhysRevC.108.014322
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2022CA10      Phys.Lett. B 829, 137067 (2022)

M.Caamano, T.Roger, A.M.Moro, G.F.Grinyer, J.Pancin, S.Bagchi, S.Sambi, J.Gibelin, B.Fernandez-Dominguez, N.Itagaki, J.Benlliure, D.Cortina-Gil, F.Farget, B.Jacquot, D.Perez-Loureiro, B.Pietras, R.Raabe, D.Ramos, C.Rodriguez-Tajes, H.Savajols, M.Vandebrouck

Experimental investigation of ground-state properties of 7H with transfer reactions

NUCLEAR REACTIONS 19F, 12C(8He, 7H), E=15.4 MeV/nucleon; measured reaction products. 7H; deduced resonance parameters, mass, T1/2, σ(θ). Comparison with available data.

doi: 10.1016/j.physletb.2022.137067
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2022HO15      Phys.Rev. C 106, 044330 (2022)

W.Horiuchi, N.Itagaki

Density profiles near the nuclear surface of 44, 52Ti: An indication of α clustering

NUCLEAR STRUCTURE 44,52Ti, 40,48Ca; calculated point-proton and neutron density distributions, point-proton and point-neutron rms radii. Antisymmetrized quasi-cluster model (AQCM). Calculations utilizing 2 types of model wave functions: shell-model-like wave function constructed by taking the core-α distance small and α-cluster-model wave function based on the core plus α-cluster model. Found that the α-clustering significantly diffuses the density profiles near the nuclear surface compared to the ideal jj coupling shell-model configuration. Comparison to experimental data.

NUCLEAR REACTIONS 44,52Ti, 40,48Ca(p, p')E=320, 1000 MeV; calculated elastic scattering σ(θ). 44,52Ti(C, X), E=40-1000 MeV; deduced total reaction σ(E). Comparison to experimental data.

doi: 10.1103/PhysRevC.106.044330
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2022IC01      Phys.Rev. C 105, 024314 (2022)

T.Ichikawa, N.Itagaki

Optimization of basis functions for multiconfiguration mixing using the replica exchange Monte Carlo method and its application to 12C

NUCLEAR STRUCTURE 12C; calculated levels, J, π, potential-energy surface on the β-γ plane, temperature dependence of the calculated energies forthe 0+ excited states, rms radii. Monte Carlo method to sample Slater determinants. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.024314
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2022IS04      Phys.Rev. C 105, 064314 (2022)

C.Ishizuka, H.Takemoto, Y.Chiba, A.Ono, N.Itagaki

Role of tensor interaction as salvation of cluster structure in 44Ti

NUCLEAR STRUCTURE 44Ti; calculated energy curves and rms matter radius for the 0+ state as a function of the distance between 4He and 40Ca using antisymmetrized quasicluster model (AQCM) and iSMT model, with tensor interaction; discussed competition of spin-orbit and tensor effects in the medium-heavy region nuclei. Comparison with theoretical predictions of Brink Model, and with experimental data. Relevance to ongoing experimental projects to investigate knockout α clusters from medium-heavy nuclei.

doi: 10.1103/PhysRevC.105.064314
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2022IT01      Phys.Rev. C 105, 024304 (2022)

N.Itagaki, T.Naito, Y.Hirata

Persistence of cluster structure in the ground state of 11B

NUCLEAR STRUCTURE 11B; calculated levels, J, π , rms radii, contribution of α+α+t cluster configuration to the ground and exited states. Antisymmetrized quasicluster model. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.024304
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2021FU15      Phys.Rev. C 104, 034613 (2021)

T.Furumoto, T.Suhara, N.Itagaki

Drastic change of inelastic scattering dependent on the development of dineutron correlations in 10Be

NUCLEAR STRUCTURE 10Be; calculated binding energy, energies, B(E2), transition densities, and rms nucleon matter, point neutron and point proton radii for the ground state, and the first 2+ states using four-body (α+α+n+n) microscopic cluster model, and compared with experimental data.

NUCLEAR REACTIONS 1H(10Be, p), (10Be, p')E=59.4, 200 MeV/nucleon; calculated differential σ(θ, E) using microscopic structure and reaction models, with parameters for 10Be used from structure calculations. Comparison with experimental data. Relevance to dineutron cluster structure based on its sensitivity to the inelastic cross section to the second 2+ state in 10Be.

doi: 10.1103/PhysRevC.104.034613
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2021IT02      Phys.Rev. C 103, 044303 (2021)

N.Itagaki, T.Naito

Consistent description for cluster dynamics and single-particle correlation

NUCLEAR STRUCTURE 12C; calculated energies curves of 0+ states, energy convergence for the lowest 0+ state, and level spacing of 0+ and 2+ states using 18 AQCM basis states, 50 proton and 50 neutron two-particle-two-hole states, and energy convergence of the 0+ state using 120 neutron and proton two-particle two-hole basis states coupled to the 18 AQCM basis states. Antisymmetrized quasicluster model (AQCM) with single-particle correlation and α cluster, based on a general framework of generator coordinate method (GCM).

doi: 10.1103/PhysRevC.103.044303
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2021TS03      Phys.Lett. B 817, 136283 (2021)

M.Tsumura, T.Kawabata, Y.Takahashi, S.Adachi, H.Akimune, S.Ashikaga, T.Baba, Y.Fujikawa, H.Fujimura, H.Fujioka, T.Furuno, T.Hashimoto, T.Harada, M.Ichikawa, K.Inaba, Y.Ishii, N.Itagaki, M.Itoh, C.Iwamoto, N.Kobayashi, A.Koshikawa, S.Kubono, Y.Maeda, Y.Matsuda, S.Matsumoto, K.Miki, T.Morimoto, M.Murata, T.Nanamura, I.Ou, S.Sakaguchi, A.Sakaue, M.Sferrazza, K.N.Suzuki, T.Takeda, A.Tamii, K.Watanabe, Y.N.Watanabe, H.P.Yoshida, J.Zenihiro

First experimental determination of the radiative-decay probability of the 3-1state in 12C for estimating the triple alpha reaction rate in high temperature environments

NUCLEAR REACTIONS 1H(12C, p')12C, E=262 MeV; measured reaction products, Ep, Ip; deduced radiative-decay probability of the 3-1state in 12C, 3α reaction rate. Comparison with NACRE data.

doi: 10.1016/j.physletb.2021.136283
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2020DE06      Prog.Theor.Exp.Phys. 2020, 023D02 (2020)

P.Descouvemont, N.Itagaki

A stochastic microscopic approach to the 10Be and 11Be nuclei

NUCLEAR STRUCTURE 10,11Be; calculated energy spectra, J, π, proton and neutron monopole densities using microscopic multicluster model.

doi: 10.1093/ptep/ptz169
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2020IT01      Phys.Rev. C 101, 034304 (2020)

N.Itagaki, A.V.Afanasjev, D.Ray

Possibility of 14C cluster as a building block of medium-mass nuclei

NUCLEAR STRUCTURE 12,14C, 16O, 24,28Mg, 32S, 42Ar; calculated energies of 0+ states, principal quantum numbers, neutron density distribution contours, and elastic form factor of 12C, 14C, and 16O clusters, and treating 24Mg as 12C+12C, 28Mg as 14C+14C, 32S as 16O+16O, and 42Ar as 14C+14C+14C cluster structures. Antisymmetrized quasicluster model (AQCM), and cranked relativistic mean field (CRMF) calculations. Discussed role of the 14C cluster as a possible building block of cluster structures in medium-mass nuclei.

doi: 10.1103/PhysRevC.101.034304
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2020IT02      Phys.Rev. C 102, 024332 (2020)

N.Itagaki, T.Fukui, J.Tanaka, Y.Kikuchi

8He and 9Li cluster structures in light nuclei

NUCLEAR STRUCTURE 16Be, 17B, 18,24C; calculated energy curves for 0+, 2+ and 4+ states in 16Be determined from the two-8He threshold as a function of the distance between two 8He clusters, 3/2- state of 17B from the 9Li - 8He threshold as a function of the distance between 9Li and 8He clusters, 0+ state of 18C from the two-9Li threshold as a function of the distance between two 9Li clusters, 0+, 2+, 4+, 3-, 4- and 5- states of K=0 and K=3 bands of 24C with the equilateral triangular configuration of three-8He clusters as a function of the distance between two 8He clusters. Antisymmetrized quasicluster model (AQCM) with jj-coupling shell-model wave functions.

doi: 10.1103/PhysRevC.102.024332
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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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2018DE03      Phys.Rev. C 97, 014612 (2018)

P.Descouvemont, N.Itagaki

9B scattering with microscopic wave functions and the continuum-discretized coupled-channel method

NUCLEAR STRUCTURE 9Be; calculated energies and neutron and proton monopole densities of the 3/2- and 1/2+ states, pseudostate energies for 1/2, 3/2, and 5/2 levels using microscopic wave functions defined in α+α+n multicluster model.

NUCLEAR REACTIONS 208Pb(9Be, 9Be), E=38, 44, 50, 75 MeV; 27Al(9Be, 9Be), E=12, 22, 32 MeV; calculated σ(θ) and compared with experimental data. Continuum-discretized coupled-channel (CDCC) calculations.

doi: 10.1103/PhysRevC.97.014612
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2018FU10      Phys.Rev. C 97, 044602 (2018)

T.Furumoto, T.Suhara, N.Itagaki

Effect of channel coupling on the elastic scattering of lithium isotopes

NUCLEAR STRUCTURE 6,7,8,9Li; calculated levels, J, π, rms radii of the charged proton, point proton, point neutron, and point matter for ground states, transition strengths from the ground states to the excited states. Stochastic multi-configuration mixing method based on the microscopic-cluster model (MCM). Comparison with experimental data.

NUCLEAR REACTIONS 12C, 28Si(6Li, 6Li), (7Li, 7Li), (8Li, 8Li), (9Li, 9Li), E=53 MeV/nucleon; 12C, 28Si(7Li, 7Li), E=50 MeV/nucleon; 12C(9Li, 9Li), E=59.4, 60 MeV/nucleon; 12C(10Be, 10Be), E=59.4 MeV/nucleon; calculated differential σ(θ) using microscopic coupled-channel (MCC) method with complex G-matrix interaction. Comparison with experimental results.

doi: 10.1103/PhysRevC.97.044602
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2018IT02      Phys.Rev. C 97, 014304 (2018)

N.Itagaki, A.Tohsaki

Improved version of a simplified method for including tensor effects in cluster models

NUCLEAR STRUCTURE 4He; calculated energy convergence for the ground state, energies of the (0s)4 configuration, amplitude for the linear combination of basis states, expectation values of principal quantum number, one-body spin-orbit operator, and the component of (0s)4 configuration. 16O; calculated energy curve for 0+ state with a tetrahedral configuration of four-α clusters, and expectation value of the one-body spin-orbit operator, principal quantum number of harmonic oscillator, and squared overlap between the result of iSMT and tetrahedron configuration of four α clusters as a function of the α-α distance. Conventional cluster model with tensor contribution (SMT), and improved SMT (iSMT).

doi: 10.1103/PhysRevC.97.014304
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2018IT03      Phys.Rev. C 97, 014307 (2018)

N.Itagaki, A.Tohsaki

Nontrivial origin for the large nuclear radii of dripline oxygen isotopes

NUCLEAR STRUCTURE 16O, 22,24O; calculated principal quantum number, expectation values of one-body spin-orbit operator and rms radii for 22,24O, energies of 0+ states for 16O, 22,24O, size parameter dependence for the 0+ energy of 24O as function of α-α distance for the four α clusters. Cluster model.

doi: 10.1103/PhysRevC.97.014307
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2018IT07      Phys.Rev. C 98, 044306 (2018)

N.Itagaki, H.Matsuno, A.Tohsaki

Explicit inclusion of the spin-orbit contribution in the Tohsaki-Horiuchi-Schuck-Ropke wave function

NUCLEAR STRUCTURE 12C; calculated energy of the 0+ state, rms matter radius, energy curve for 0+ state, spin-orbit energy, contribution of the three-body interaction terms, and the elastic form factor versus momentum transfer of the 0+ state using Monte Carlo Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions combined with antisymmetrized quasi-cluster model (AQCM). Comparison with experimental values.

doi: 10.1103/PhysRevC.98.044306
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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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2018TO01      Phys.Rev. C 97, 011301 (2018)

A.Tohsaki, N.Itagaki

α clustering with a hollow structure: Geometrical structure of α clusters from platonic solids to fullerene shape

NUCLEAR STRUCTURE 16O, 24Mg, 32S, 48Cr, 56Ni, 80Zr, 128Gd, 240120; calculated α-cluster structures based on the geometric configurations and fullerene-shaped polyhedrons with microscopic α-cluster models.

doi: 10.1103/PhysRevC.97.011301
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2018TO05      Phys.Rev. C 98, 014302 (2018)

A.Tohsaki, N.Itagaki

Coulomb energy of α-particle aggregates distributed on Archimedean solids

NUCLEAR STRUCTURE A=120-162, Z=60; A=128-173, Z=64; A=168-227, Z=84; A=240-324, Z=120; calculated Coulomb energy for one α cluster in Archimedean solids within a microscopic framework. Discussed geometric configurations.

doi: 10.1103/PhysRevC.98.014302
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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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2016IT01      Prog.Theor.Exp.Phys. 2016, 093D01 (2016)

N.Itagaki, H.Matsuno, T.Suhara

General transformation of α cluster model wave function to jj-coupling shell model in various 4N nuclei

NUCLEAR STRUCTURE 4He, 20Ne, 28Si, 44Ti, 100Sn; calculated density plots, energy levels, spin-orbit operators, energy curves. The antisymmetrized quasi-cluster model.

doi: 10.1093/ptep/ptw125
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2016IT02      Phys.Rev. C 94, 064324 (2016)


Consistent description of 12C and 16O using a finite-range three-body interaction

NUCLEAR STRUCTURE 16O; calculated 0+ energy and matter point rms radius with a tetrahedron configuration of four α's as a function of distance between α clusters. 12C; calculated 0+ and 2+ levels with and without spin-orbit interaction, B(E2), 3- and 1- states with three-α cluster structure. 6He; calculated energy convergence of ground 0+ state with α+n+n model. 8Be; calculated 0+ energy curves with the α+α model. Microscopic α cluster models. Comparison with available experimental data.

doi: 10.1103/PhysRevC.94.064324
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2015IW01      Phys.Rev. C 92, 011303 (2015)

Y.Iwata, T.Ichikawa, N.Itagaki, J.A.Maruhn, T.Otsuka

Examination of the stability of a rod-shaped structure in 24Mg

NUCLEAR STRUCTURE 24Mg; calculated density profiles of the initial states of six-α clusters, contours of final states of compact shape, rod shape, and fragmentation, comparison of energies with and without the spin-orbit interaction as a function of rotational frequency; deduced rod-shaped structure of 24Mg with large angular momentum as a metastable stationary state. Cranked Hartree-Fock calculation with several different Skyrme-type interactions.

doi: 10.1103/PhysRevC.92.011303
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2015ZH19      Phys.Rev.Lett. 115, 022501 (2015)

P.W.Zhao, N.Itagaki, J.Meng

Rod-shaped Nuclei at Extreme Spin and Isospin

NUCLEAR STRUCTURE 12,15,20C; calculated proton and neutron single-particle energies, J, π. Comparison with available data.

doi: 10.1103/PhysRevLett.115.022501
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2014IC01      Phys.Rev. C 89, 011305 (2014)

T.Ichikawa, K.Matsuyanagi, J.A.Maruhn, N.Itagaki

Pure collective precession motion of a high-spin torus isomer

NUCLEAR STRUCTURE 40Ca; calculated time-evolution of the density distribution, total angular momentum, tilting angle, and rotational angle of precession motion of the high-K torus isomer. Three-dimensional time-dependent Hartree-Fock (TDHF) method, and random-phase approximation (RPA) method for high-spin states.

doi: 10.1103/PhysRevC.89.011305
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2014IC02      Phys.Rev. C 90, 034314 (2014)

T.Ichikawa, K.Matsuyanagi, J.A.Maruhn, N.Itagaki

High-spin torus isomers and their precession motions

NUCLEAR STRUCTURE 36Ar, 40Ca, 44Ti, 48Cr, 52Fe; calculated density distributions, moments of inertia, single-particle energies, time evolution of the precession motion, Nilsson diagrams for high-spin torus isomers. Cranked three-dimensional Hartree-Fock (TDHF) method with Skyrme interactions and radially displaced harmonic-oscillator (RDHO) model.

doi: 10.1103/PhysRevC.90.034314
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2014YA29      Phys.Rev. C 90, 054307 (2014)

J.M.Yao, N.Itagaki, J.Meng

Searching for a 4α linear-chain structure in excited states of 16O with covariant density functional theory

NUCLEAR STRUCTURE 16O; calculated low- and high-spin levels, J, π, mean-field energy surface contour in (β-γ) plane, rms charge radius, spectroscopic quadrupole moment, B(E2), density distributions, spin-orbit energies. Covariant density functional theory and relativistic mean-field (RMF) cranking calculations for 4α linear chain structure. Comparison with experimental spectra.

doi: 10.1103/PhysRevC.90.054307
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2013FU07      Phys.Rev. C 87, 064320 (2013); Erratum Phys.Rev. C 90, 039902 (2014)

T.Furumoto, T.Suhara, N.Itagaki

Investigation of the 3/22- state of 9Li with microscopic structure and reaction models

NUCLEAR STRUCTURE 9Li; calculated total energies of 1/2-, 3/2-, 5/2- and 7/2- states, low-lying negative-parity levels, J, proton, neutron, and matter radii of ground state, quadrupole moments of ground state and first 3/2-, B(E2) and B(E0) transition strengths between low-lying negative-parity states. Unified framework of microscopic α+t+n+n cluster structure and reaction models. Possibility of triaxial deformation and mixing of dineutron components in 9Li nucleus. Comparison with experimental data.

NUCLEAR REACTIONS 12C(9Li, 9Li), (9Li, 9Li'), E=50, 60 MeV/nucleon; calculated quasielastic, elastic and inelastic σ(θ) for ground state and 3/2- states using wave functions from multiconfiguration mixing method, and reaction analysis by microscopic coupled channel (MCC) method. Multistep effects. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.064320
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2013IW01      Phys.Rev. C 87, 014609 (2013)

Y.Iwata, K.Iida, N.Itagaki

Synthesis of thin, long heavy nuclei in ternary collisions

doi: 10.1103/PhysRevC.87.014609
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2013KL03      J.Phys.:Conf.Ser. 445, 012036 (2013)

M.A.Klatt, T.Ichikawa, K.Iida, N.Itagaki, J.A.Maruhn, K.Matsuyanagi, K.Mecke, S.Ohkubo, P.-G.Reinhard, B.Schuetrumpf

Exotic cluster structures in the mean-field theory

NUCLEAR STRUCTURE 16O, 40Ca; calculated deformation, exotic shapes using Skyrme Hartree-Fock, TDHF.

doi: 10.1088/1742-6596/445/1/012036
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2013SU11      Phys.Rev. C 87, 054334 (2013)

T.Suhara, N.Itagaki, J.Cseh, M.Ploszajczak

Novel and simple description for a smooth transition from α-cluster wave functions to jj-coupling shell model wave functions

NUCLEAR STRUCTURE 12C; calculated energy surfaces of ground state, single-particle energies, convergence of total energy for ground state and first excited 0+ state. Transition from α-cluster wave function to the jj-coupling shell model. Antisymmetrized quasicluster model (AQCM). Comparison with results from antisymmetrized molecular dynamics (AMD).

doi: 10.1103/PhysRevC.87.054334
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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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2012IC04      Phys.Rev.Lett. 109, 232503 (2012)

T.Ichikawa, J.A.Maruhn, N.Itagaki, K.Matsuyanagi, P.-G.Reinhard, S.Ohkubo

Existence of an Exotic Torus Configuration in High-Spin Excited States of 40Ca

NUCLEAR STRUCTURE 40Ca; calculated high-spin states, J, π, neutron single-particle energies; deduced stable state with thorus configuration. Skyrme Hartree-Fock method, comparison with available data.

doi: 10.1103/PhysRevLett.109.232503
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2012IT01      Phys.Rev. C 85, 014302 (2012)

M.Ito, N.Itagaki, K.Ikeda

Cluster correlations for low-lying intruder states of 12Be

NUCLEAR STRUCTURE 12Be; calculated lowest two molecular orbit configurations, energy surfaces for 0+ states, yrast and first excited rotational bands. Generalized two-center cluster model.

doi: 10.1103/PhysRevC.85.014302
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2012IT03      Prog.Theor.Phys.(Kyoto), Suppl. 196, 192 (2012)

N.Itagaki, K.Muta, H.Masui, M.Ploszajczak, J.Cseh

Simplified Modeling of Cluster-Shell Competition and Appearance of Various Cluster Structures in Light Nuclei

NUCLEAR STRUCTURE 20Ne; calculated energy levels, J, π, yrast states. Antisymmetrized Quasi-Cluster approach.

doi: 10.1143/PTPS.196.192
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2011CS01      Int.J.Mod.Phys. E20, 807 (2011)

J.Cseh, N.Itagaki, M.Ploszajczak, H.Yepez-Martinez, L.Parra-Rodrigez, P.O.Hess

Phases of cluster states

doi: 10.1142/S0218301311018721
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2011IC03      Phys.Rev. C 83, 061301 (2011)

T.Ichikawa, N.Itagaki, T.Kawabata, Tz.Kokalova, W.von Oertzen

Gas-like state of α clusters around a 16O core in 24Mg

NUCLEAR STRUCTURE 24Mg; calculated energies and energy convergence of 0+ states with basis states for 16O+α+α configurations, strength distribution of the isoscalar E0 transitions from the ground state, α-cluster states around 16O. Microscopic α-cluster model, and overlap with Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions.

doi: 10.1103/PhysRevC.83.061301
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2011IC04      Phys.Rev.Lett. 107, 112501 (2011)

T.Ichikawa, J.A.Maruhn, N.Itagaki, S.Ohkubo

Linear Chain Structure of Four-α Clusters in 16O

NUCLEAR STRUCTURE 16O; calculated surface and total nucleon density, coefficient of the rotational energy, angular momentum; deduced existence of stable exotic nuclei with large angular momentum of inertia. Skyrme cranked Hartree-Fock method.

doi: 10.1103/PhysRevLett.107.112501
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2011IT01      Phys.Rev. C 83, 014302 (2011)

N.Itagaki, J.Cseh, M.Poszajczak

Simplified modeling of cluster-shell competition in 20Ne and 24Mg

NUCLEAR STRUCTURE 20Ne, 24Mg; calculated yrast levels, and 0+ states as a function of spin-orbit interaction. Generator coordinate method (GCM) on a collective basis of antisymmetrized quasicluster states. Transition from cluster states 16O+α and 16+α+α to shell-model states 16O+4N and 16O+8N. Discussed group theoretical picture of the cluster-shell configuration transition. U(3) limit in the algebraic cluster model and shell model.

doi: 10.1103/PhysRevC.83.014302
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2011IT05      Int.J.Mod.Phys. E20, 1012 (2011)

N.Itagaki, Tz.Kokalova, W.von Oertzen, J.A.Maruhn

Three-α cluster state around 40Ca core

NUCLEAR STRUCTURE 40Ca; calculated energy convergence of three α clusters around 40Ca. THSR wave function, time-dependent HF theory.

doi: 10.1142/S0218301311019167
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2011MU16      Phys.Rev. C 84, 034305 (2011)

K.Muta, T.Furumoto, T.Ichikawa, N.Itagaki

Three-triton states in 9Li

NUCLEAR STRUCTURE 9Li; calculated rms radii and energy convergence of 3/2- 3/2+, 1/2- and 1/2+ states, E0 transition strength; deduced α+t+n+n, t+t+t configurations in excited states of 9Li.

doi: 10.1103/PhysRevC.84.034305
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2011YO03      Phys.Rev. C 83, 024301 (2011)

T.Yoshida, N.Itagaki, K.Kato

Symplectic structure and monopole strength in 12C

NUCLEAR STRUCTURE 12C; calculated levels, J, π, rms radius, E0 transition strengths, energy convergence of 0+ states of 3α system. 3α cluster model and SU(3) representation. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.024301
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2010IT01      Phys.Rev. C 82, 014312 (2010)

N.Itagaki, Tz.Kokalova, W.von Oertzen

Three-α state around 40Ca

NUCLEAR STRUCTURE 40Ca; calculated potential energy, coulomb energy, density distribution, basis states using microscopic α-cluster model for three-α states.

doi: 10.1103/PhysRevC.82.014312
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2010IW01      Phys.Rev.Lett. 104, 252501 (2010)

Y.Iwata, T.Otsuka, J.A.Maruhn, N.Itagaki

Suppression of Charge Equilibration Leading to the Synthesis of Exotic Nuclei

NUCLEAR REACTIONS 208Pb(238U, X), (132Xe, X), (132Sn, X), (40Ca, X), (24Mg, X), (24O, X), (16O, X), (α, X), 24Mg(24O, X), E=2, 3, 4, 4.5, 5, 6, 7, 8 MeV/nucleon; calculated mass and N/Z yields, time evolution of charge distribution, charge equilibration. Skyrme time-dependent Hartee-Fock (TDHF) theory.

doi: 10.1103/PhysRevLett.104.252501
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2010IW02      Nucl.Phys. A836, 108 (2010)

Y.Iwata, T.Otsuka, J.A.Maruhn, N.Itagaki

Geometric classification of nucleon transfer at moderate low-energies

doi: 10.1016/j.nuclphysa.2010.01.242
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2010MA24      Nucl.Phys. A833, 1 (2010)

J.A.Maruhn, N.Loebl, N.Itagaki, M.Kimura

Linear-chain structure of three α-clusters in 16C and 20C

NUCLEAR STRUCTURE 16,20C; calculated ground-state binding energies, β2, configurations, related features for chain-like α clusters using Skyrme mean-field model.

doi: 10.1016/j.nuclphysa.2009.12.005
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2010UM01      Phys.Rev.Lett. 104, 212503 (2010)

A.S.Umar, J.A.Maruhn, N.Itagaki, V.E.Oberacker

Microscopic Study of the Triple-α Reaction

NUCLEAR REACTIONS 8Be(α, X)12C, E(cm)=2 MeV; calculated time evolution, potential energy curves for 4He + 8Be head-n collision, single-particle parities of the neutron states; deduced formation of a metastable linear chain state of three α-like clusters. Time-dependent Hartree-Fock theory.

doi: 10.1103/PhysRevLett.104.212503
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2009AO03      Phys.Rev. C 80, 021304 (2009)

S.Aoyama, N.Itagaki

Di-neutron correlations in 7H

NUCLEAR STRUCTURE 7H; calculated energy of the ground state using AMD Slater determinants with various t+n+n+n configurations. Comparison with similar calculations for 8He.

doi: 10.1103/PhysRevC.80.021304
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2009IT01      Phys.Rev. C 79, 034312 (2009)

N.Itagaki, M.Kimura

Cluster structure stabilized by s2 neutrons in light neutron-rich nuclei

NUCLEAR STRUCTURE 18O, 22Ne; calculated energies of 0+ states. Investigated s2 configuration of two neutrons in middle of nucleus as a characteristic bond of α clusters. Microscopic Nα+2n cluster model calculations.

doi: 10.1103/PhysRevC.79.034312
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2009IW06      Eur.Phys.J. A 42, 613 (2009); Erratum Eur.Phys.J. A 42, 625 (2009)

Y.Iwata, T.Otsuka, J.A.Maruhn, N.Itagaki

Synthesis of exotic nuclei in heavy-ion collisions at higher energies

NUCLEAR REACTIONS 208Pb(α, X), (16O, X), (24O, X), (24Mg, X), (40Ca, X), (132Sn, X), (132Xe, X), (238U, X), E(cm)=5, 8 MeV/nucleon; calculated Q-values, N/Z yields, time evolution of dipole moment, reaction mechanism features, charge equilibration. Three-dimensional time-dependent Hartee-Fock method.

doi: 10.1140/epja/i2009-10851-1
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2009YO03      Phys.Rev. C 79, 034308 (2009)

T.Yoshida, N.Itagaki, T.Otsuka

Appearance of cluster states in 13C

NUCLEAR STRUCTURE 13C; calculated level energies, density distributions, proton rms radii, matter rms radii, E0 transition probabilities between 1/2- states using microscopic cluster model. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.034308
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2008IT01      Phys.Rev. C 77, 037301 (2008)

N.Itagaki, Tz.Kokalova, M.Ito, M.Kimura, W.von Oertzen

Coupling between α-condensed states and normal cluster states

NUCLEAR STRUCTURE 16O, 20Ne; calculated α-condensed states, energy convergence, wave functions using microscopic α-cluster model.

doi: 10.1103/PhysRevC.77.037301
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2008IT03      Phys.Rev.Lett. 100, 182502 (2008)

M.Ito, N.Itagaki, H.Sakurai, K.Ikeda

Coexistence of Covalent Superdeformation and Molecular Resonances in an Unbound Region of 12Be

doi: 10.1103/PhysRevLett.100.182502
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2008IT04      Phys.Rev. C 77, 067301 (2008)

N.Itagaki, M.Ito, M.Milin, T.Hashimoto, H.Ishiyama, H.Miyatake

Coexistence of α + α + n + n and α + t + t cluster structures in 10Be

NUCLEAR STRUCTURE 10Be; calculated levels, J, π.

doi: 10.1103/PhysRevC.77.067301
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2008IT05      Phys.Rev. C 78, 011602 (2008)

M.Ito, N.Itagaki

Covalent isomeric state in 12Be induced by two-neutron transfers

NUCLEAR REACTIONS 4He(8He, 6He), E(cm)<18 MeV; calculated excitation functions, σ. 12Be; calculated resonance peaks, widths. Generalized two-center cluster model.

doi: 10.1103/PhysRevC.78.011602
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2008IT06      Phys.Rev. C 78, 017306 (2008)

N.Itagaki, M.Ito, K.Arai, S.Aoyama, Tz.Kokalova

Mixing of di-neutron components in 8He

NUCLEAR STRUCTURE 8He; calculated configurations, convergence of excited states, wave functions. Tohsaki-Horincki-Schuck-Ropke wave functions.

doi: 10.1103/PhysRevC.78.017306
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2008IT07      Int.J.Mod.Phys. E17, 2061 (2008)

M.Ito, N.Itagaki

Unified studies of nuclear reactions and exotic structures in 12Be

NUCLEAR REACTIONS 4He(8He, X)12Be, E not given; calculated decay scheme for the resonance, covalent superdeformation. Generalized two-cluster model.

doi: 10.1142/S0218301308011094
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2008IW06      Int.J.Mod.Phys. E17, 1660 (2008)

Y.Iwata, N.Itagaki, J.A.Maruhn, T.Otsuka

The competitive reaction mechanism in exotic nuclear reactions

doi: 10.1142/S0218301308010672
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2007AO03      Nucl.Phys. A790, 307c (2007)

S.Aoyama, N.Itagaki, M.Oi

A systematic analysis of cluster components in He-isotopes by using a new AMD approach

NUCLEAR STRUCTURE 4,5,6,7,8,9,10He; calculated binding energies, clustering effects. Antisymmetrized molecular dynamics.

doi: 10.1016/j.nuclphysa.2007.03.055
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2007IT02      Phys.Rev. C 75, 037303 (2007)

N.Itagaki, M.Kimura, C.Kurokawa, M.Ito, W.von Oertzen

α-condensed state with a core nucleus

NUCLEAR STRUCTURE 8,10Be, 12C, 16O, 24Mg, 28Si; calculated α-cluster states energies.

doi: 10.1103/PhysRevC.75.037303
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2007MA38      Phys.Rev. C 75, 054309 (2007)

H.Masui, N.Itagaki

Simplified modeling of cluster-shell competition in carbon isotopes

NUCLEAR STRUCTURE 12,14,16C; calculated level energies and B(E2) by combining a simplied modeling of spin-orbit interaction and AMD triple-S.

doi: 10.1103/PhysRevC.75.054309
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2006AO01      Phys.Rev. C 74, 017307 (2006)

S.Aoyama, N.Itagaki, M.Oi

Systematic analyses of the t-t clustering effect in He isotopes

NUCLEAR STRUCTURE 4,5,6,7,8,9,10He; calculated binding energies, clustering effects. Antisymmetrized molecular dynamics, generator coordinate method.

doi: 10.1103/PhysRevC.74.017307
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2006IT02      Phys.Rev. C 73, 034310 (2006)

N.Itagaki, H.Masui, M.Ito, S.Aoyama, K.Ikeda

Simplified method to include the tensor contribution in α-cluster model

NUCLEAR STRUCTURE 8Be, 12C; calculated 0+ α-cluster states energies, role of tensor interaction, spin-orbit contribution.

doi: 10.1103/PhysRevC.73.034310
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2006IT06      Phys.Rev.C 74, 067304 (2006)

N.Itagaki, W.von Oertzen, S.Okabe

Linear-chain structure of three alpha clusters in 13C

NUCLEAR STRUCTURE 13C; calculated rotational band level energies, linear-chain structure, hyperdeformation. Comparison with data.

doi: 10.1103/PhysRevC.74.067304
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2006KO16      Phys.Rev.Lett. 96, 192502 (2006)

Tz.Kokalova, N.Itagaki, W.von Oertzen, C.Wheldon

Signatures for Multi-α-Condensed States

NUCLEAR STRUCTURE 52Fe; calculated folded potential for α-cluster and sequential α emission from excited nucleus.

NUCLEAR REACTIONS 24Mg(28Si, X), E=130 MeV; calculated folded potential for α-cluster and sequential α emission from excited compound nucleus.

doi: 10.1103/PhysRevLett.96.192502
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2005IT04      Phys.Rev. C 71, 064307 (2005)

N.Itagaki, H.Masui, M.Ito, S.Aoyama

Simplified modeling of cluster-shell competition

NUCLEAR STRUCTURE 10Be; calculated ground state energy, contribution of the cluster-shell and spin-orbit interactions. 9,10Be, 12C, 20Ne; calculated excited state energies, contribution of the cluster-shell and spin-orbit interactions.

doi: 10.1103/PhysRevC.71.064307
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2004AO05      Nucl.Phys. A738, 362 (2004)

S.Aoyama, N.Itagaki

Systematic analyses on H- and He-isotopes by using and extended AMD approach

NUCLEAR STRUCTURE 3,4,5,6,7H, 4,5,6,7,8,9,10He; calculated binding energies. 6He; calculated ground and excited states two-neutron separation energies, radii. Antisymmetrized molecular dynamics approach.

doi: 10.1016/j.nuclphysa.2004.04.062
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2004IT04      Phys.Rev.Lett. 92, 142501 (2004)

N.Itagaki, T.Otsuka, K.Ikeda, S.Okabe

Equilateral-Triangular Shape in 14C

NUCLEAR STRUCTURE 14C; calculated levels, deformation, molecular states features; deduced equilateral-triangular shape, rotational bands. Microscopic five-body model.

doi: 10.1103/PhysRevLett.92.142501
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2004IT08      Nucl.Phys. A738, 17 (2004)

N.Itagaki, S.Aoyama, T.Otsuka, T.Yoshida, S.Okabe, K.Ikeda

Exotic cluster structure in light neutron-rich nuclei

NUCLEAR STRUCTURE 10,12Be, 21,22,23,24,25,26,27Ne; calculated binding energies, cluster features. Antisymmetrized molecular dynamics.

doi: 10.1016/j.nuclphysa.2004.04.006
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2004IT13      Phys.Rev. C 70, 054307 (2004)

N.Itagaki, S.Aoyama, S.Okabe, K.Ikeda

Cluster-shell competition in light nuclei

NUCLEAR STRUCTURE 8,10Be, 10B, 12C, 16O; calculated binding energies, contributions from cluster structure. 12C calculated transition probabilities. Antisymmetrized molecular dynamics, cluster-shell competition discussed.

doi: 10.1103/PhysRevC.70.054307
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2004TH05      Czech.J.Phys. 54, 329 (2004)

G.Thiamova, N.Itagaki, T.Otsuka

Study of the structure of light nuclei by AMD + GCM method

NUCLEAR STRUCTURE 10Be, 15C; calculated levels, J, π, cluster structure and halo features. 16,18,20,22,24,26O; calculated binding energies, excited states energies. Antisymmetrized molecular dynamics, generator coordinate method.

doi: 10.1023/B:CJOP.0000018129.75918.e8
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2004TH07      Czech.J.Phys. 54, 739 (2004)

G.Thiamova, N.Itagaki, T.Otsuka

Structure of even-even beryllium isotopes studied by AMD+GCM method

NUCLEAR STRUCTURE 6,8,10,12Be; calculated ground and excited states energies, quadrupole moments, B(E2). Antisymmetrized molecular dynamics, generator coordinate method, comparison with data.

doi: 10.1023/B:CJOP.0000038527.84719.ee
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2004TH11      Eur.Phys.J. A 22, 461 (2004)

G.Thiamova, N.Itagaki, T.Otsuka, K.Ikeda

Systematic study of structure of carbon isotopes with the antisymmetrized molecular dynamics plus generator coordinate method

NUCLEAR STRUCTURE 12,14,16,18,20,22C; calculated binding energies, radii, excited states energies, B(E2), quadrupole moments. 13,15,17,19,21C; calculated binding energies, radii, levels J, π. Antisymmetrized molecular dynamics, comparisons with data.

doi: 10.1140/epja/i2004-10053-5
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2003IT06      Nucl.Phys. A719, 205c (2003)

N.Itagaki, K.Hagino, T.Otsuka, S.Okabe, K.Ikeda

Importance of clustering in light neutron-rich nuclei

NUCLEAR REACTIONS 9Be(γ, X), E ≈ 0.5-4.5 MeV; calculated photodisintegration σ. Molecular orbital model, comparison with data.

NUCLEAR STRUCTURE 12C; calculated transitions B(E2). Cluster model.

doi: 10.1016/S0375-9474(03)00918-7
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2003IT09      Phys.Rev. C 68, 054302 (2003)

N.Itagaki, A.Kobayakawa, S.Aoyama

New description of light nuclei by extending the AMD approach

NUCLEAR STRUCTURE 6He, 10,12Be; calculated ground and excited states energies, J, π. Extended antisymmetrized molecular dynamics approach.

doi: 10.1103/PhysRevC.68.054302
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2003IT12      Acta Phys.Hung.N.S. 18, 173 (2003)

N.Itagaki, T.Otsuka, S.Okabe, K.Ikeda

Exotic Cluster Structure in Light Neutron-Rich Nuclei

NUCLEAR STRUCTURE 14C; calculated levels, J, π, cluster configurations. Molecular orbit model.

doi: 10.1556/APH.18.2003.2-4.9
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2003SH06      Phys.Lett. B 560, 31 (2003)

S.Shimoura, A.Saito, T.Minemura, Y.U.Matsuyama, H.Baba, H.Akiyoshi, N.Aoi, T.Gomi, Y.Higurashi, K.Ieki, N.Imai, N.Iwasa, H.Iwasaki, S.Kanno, S.Kubono, M.Kunibu, S.Michimasa, T.Motobayashi, T.Nakamura, H.Sakurai, M.Serata, E.Takeshita, S.Takeuchi, T.Teranishi, K.Ue, K.Yamada, Y.Yanagisawa, M.Ishihara, N.Itagaki

Isomeric 0+ state in 12Be

NUCLEAR REACTIONS 9Be(18O, X)12Be, E=100 MeV/nucleon; measured delayed Eγ, Iγ, γγ-coin. 12Be deduced isomeric state energy, J, π, approximate T1/2, decay branching.

doi: 10.1016/S0370-2693(03)00341-1
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2003TH06      Nucl.Phys. A719, 312c (2003)

G.Thiamova, N.Itagaki, T.Otsuka, K.Ikeda

Systematic analysis of neutron-rich carbon isotopes

NUCLEAR STRUCTURE 12,14,16,18,20,22C; calculated ground and excited states energies, radii. 13,15,17,19,21C; calculated binding energies, ground state J, π. Comparisons with data.

doi: 10.1016/S0375-9474(03)00939-4
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2002HI23      Prog.Theor.Phys.(Kyoto), Suppl. 146, 565 (2002)

S.Hirose, N.Itagaki, T.Otsuka, S.Okabe, K.Ikeda

The Exotic Clustering and Nucleon-Nucleon Correlations in Light Neutron-Rich Nuclei

NUCLEAR STRUCTURE 10Be; calculated levels, J, π, B(E2). Cluster model.

doi: 10.1143/PTPS.146.565
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2002IT02      Eur.Phys.J. A 13, 43 (2002)

N.Itagaki, S.Okabe, K.Ikeda, I.Tanihata

Molecular-Orbital Structure in Neutron-Rich Be and C Isotopes

NUCLEAR STRUCTURE 10,12Be, 12,14,16C; analyzed cluster configurations. Molecular-orbit model.

doi: 10.1140/epja1339-07
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2002IT03      Phys.Rev. C65, 044302 (2002)

N.Itagaki, S.Hirose, T.Otsuka, S.Okabe, K.Ikeda

Triaxial Deformation in 10Be

NUCLEAR STRUCTURE 10Be; calculated rotational bands features, triaxial deformation, transitions B(E2). Molecular-orbit model.

doi: 10.1103/PhysRevC.65.044302
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2002IT07      Phys.Rev. C 66, 057301 (2002)

N.Itagaki, K.Hagino

Low-energy photodisintegration of 9Be with the molecular orbit mode

NUCLEAR REACTIONS 9Be(γ, n), E ≈ 1-5 MeV; calculated photodisintegration σ. Molecular orbit model, three-cluster configuration, comparison with data.

doi: 10.1103/PhysRevC.66.057301
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2002IT08      Prog.Theor.Phys.(Kyoto), Suppl. 146, 207 (2002)

N.Itagaki, K.Ikeda, S.Okabe, T.Otsuka

Exotic Cluster Shapes in Neutron-Rich Be and C Isotopes

NUCLEAR STRUCTURE 12,14,16C; calculated level energies, cluster configurations.

doi: 10.1143/PTPS.146.207
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2001IT03      Phys.Rev. C64, 014301 (2001)

N.Itagaki, S.Okabe, K.Ikeda, I.Tanihata

Molecular-Orbital Structure in Neutron-Rich C Isotopes

NUCLEAR STRUCTURE 12,14,16C; calculated molecular configurations. Three-α-plus-neutrons approach.

doi: 10.1103/PhysRevC.64.014301
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2001IT04      Acta Phys.Hung.N.S. 13, 153 (2001)

N.Itagaki, S.Okabe, K.Ikeda

Molecular-Orbital Structure in Be Isotopes

NUCLEAR STRUCTURE 14Be, 12,14,16C; calculated cluster-structure related features.

doi: 10.1556/APH.13.2001.1-3.18
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2001IT08      Prog.Theor.Phys.(Kyoto), Suppl. 142, 297 (2001)

N.Itagaki, S.Okabe, K.Ikeda

Molecular-Orbital Structure in Light Neutron-Rich Nuclei

NUCLEAR STRUCTURE 10,12Be, 14,16C; calculated level energies, configurations. Molecular orbit model.

doi: 10.1143/PTPS.142.297
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2000IT01      Phys.Rev. C61, 024303 (2000)

N.Itagaki, S.Aoyama

Systematic Study on He Isotopes with the Antisymmetrized Molecular Dynamics Plus Generator Coordinate Method

NUCLEAR STRUCTURE 4,5,6,7,8He; calculated binding energies. 4,6,8He; calculated radii. Antisymmetrized molecular dynamics plus generator coordinate method. Comparisons with data.

doi: 10.1103/PhysRevC.61.024303
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2000IT02      Phys.Rev. C61, 044306 (2000)

N.Itagaki, S.Okabe

Molecular Orbital Structures in 10Be

NUCLEAR STRUCTURE 10Be; calculated levels, J, π. Molecular orbit model.

doi: 10.1103/PhysRevC.61.044306
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2000IT06      Phys.Rev. C62, 034301 (2000)

N.Itagaki, S.Okabe, K.Ikeda

Important Role of the Spin-Orbit Interaction in Forming the 1/2+ Orbital Structure in Be Isotopes

NUCLEAR STRUCTURE 10,12Be; calculated levels, J, π, configurations; deduced spin mixing effects. Molecular orbit model.

doi: 10.1103/PhysRevC.62.034301
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1998AO01      Phys.Rev. C57, 975 (1998)

S.Aoyama, N.Itagaki, K.Kato, K.Ikeda

Thomas-Ehrman Effect on s1/2 and p1/2 Resonance States in 10C + p

NUCLEAR STRUCTURE 11N; calculated resonances E, Γ; deduced mirror symmetry breaking. Core-plus-nucleon model, complex scaling method.

doi: 10.1103/PhysRevC.57.975
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1995IT06      Prog.Theor.Phys.(Kyoto) 94, 1019 (1995)

N.Itagaki, A.Ohnishi, K.Kato

Microscopic α-Cluster Model for 12C and 16O Based on Antisymmetrized Molecular Dynamics - Consistent Understanding of the Binding Energies of 12C and 16O -

NUCLEAR STRUCTURE 12C, 16O; calculated levels. Antisymmetrized molecular dynamics, microscopic α-cluster model.

doi: 10.1143/PTP.94.1019
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