NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = Y.Funaki Found 61 matches. 2023WU01 Phys.Rev. C 107, 014317 (2023) Cluster structures of the 0+ states of 13ΛC with the 3α + Λ four-body orthogonality condition model NUCLEAR STRUCTURE 13C; calculated energy levels for Λ hypernuclei, J, π, structure of 0+states up to 3α+Λ, rms radii, monopole transition strength M(E0), reduced width amplitudes, S2 factor. Four body orthogonality condition model with model with the Gaussian expansion method for 3α+Λ system. Comparison to experimental data on 0+ states in 12C.
doi: 10.1103/PhysRevC.107.014317
2022ZH08 Few-Body Systems 63, 26 (2022) Container picture for 3- and 4- states of 12C NUCLEAR STRUCTURE 12C; calculated negative-parity states within the container picture; deduced the shift parameter to the THSR (Tohsaki-Horiuchi-Schuck-Ropke) wave functions, 3α cluster structure.
doi: 10.1007/s00601-021-01720-2
2021FU03 Eur.Phys.J. A 57, 14 (2021) Alpha condensate and dynamics of cluster formation NUCLEAR STRUCTURE 20Ne, 12C, 16O; analyzed available data; deduced a new concept, "container" picture, to describe general cluster structures.
doi: 10.1140/epja/s10050-020-00321-7
2021IN04 Prog.Theor.Exp.Phys. 2021, 093D01 (2021) K.Inaba, Y.Sasamoto, T.Kawabata, M.Fujiwara, Y.Funaki, K.Hatanaka, K.Itoh, M.Itoh, K.Kawase, H.Matsubara, Y.Maeda, K.Suda, S.Sakaguchi, Y.Shimizu, A.Tamii, Y.Tameshige, M.Uchida, T.Uesaka, T.Yamada, H.P.Yoshida Search for α condensed states in 13C using α inelastic scattering NUCLEAR REACTIONS 12,13C(α, α'), E=388 MeV; measured reaction products, Eα, Iα. 12,13C; deduced σ(θ), level energies, J, π, resonance parameters, B(ISλ), a possible candidate for the α condensed state predicted by the cluster model calculations on the basis of the good correspondence between the experimental and calculated level structures. DWBA calculations. Research Center for Nuclear Physics (RCNP) in Osaka University.
doi: 10.1093/ptep/ptab102
2021LY02 Eur.Phys.J. A 57, 51 (2021) M.Lyu, Z.Ren, H.Horiuchi, B.Zhou, Y.Funaki, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Properties of 8-11Be sotopes with isospin-dependent spin-orbit potential in a cluster approach NUCLEAR STRUCTURE 8,9,10,11Be; calculated single nucleon wave functions, energy levels, J, π, one-neutron separation energies, root-mean-square radii and density distributions, spectroscopic factor. Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions.
doi: 10.1140/epja/s10050-021-00363-5
2020WU08 Phys.Rev. C 102, 054303 (2020) Q.Wu, Y.Funaki, E.Hiyama, H.Zong Resonant states of 9ΛBe with α + α + Λ three-body cluster model NUCLEAR STRUCTURE 8,9Be; calculated levels, resonances, J, π for 9Be hypernucleus and 8Be in the framework of three-body α+α+Λ cluster model and the YNG-NF interaction with the Gaussian expansion method. Comparison with other theoretical calculations, and with experimental data from KEK-Tsukuba laboratory.
doi: 10.1103/PhysRevC.102.054303
2020YA03 Phys.Rev. C 101, 024316 (2020) S.Yang, C.Xu, G.Ropke, P.Schuck, Z.Ren, Y.Funaki, H.Horiuchi, A.Tohsaki, T.Yamada, B.Zhou α decay to a doubly magic core in the quartetting wave function approach NUCLEAR STRUCTURE 102Sn, 102,104Te, 210Pb, 210,212Po; calculated single-particle wave functions of protons and neutrons in the quartet, effective potentials of the α cluster, normalized bound state wave functions, scattering wave functions for α-emitters, α-cluster preformation probabilities and α-decay half-lives. Microscopic calculation of α-cluster formation using the quartetting wave function approach. Comparison with experimental data. RADIOACTIVITY 102Sn, 102,104Te, 210Pb, 210,212Po(α); calculated α-cluster preformation probabilities and α-decay half-lives. Comparison with experimental half-lives.
doi: 10.1103/PhysRevC.101.024316
2019LE10 Few-Body Systems 60, 30 (2019) J.Lee, Q.Wu, Y.Funaki, H.Zong, E.Hiyama Three-Body Structure of 9ΛBe with ααΛ Cluster Model NUCLEAR STRUCTURE 9Be; calculated eigen energy distributions for the lowest states within the framework of α + α + Λ three-body model.
doi: 10.1007/s00601-019-1502-3
2019YA24 Phys.Rev. C 100, 055501 (2019) N.Yamanaka, T.Yamada, Y.Funaki Nuclear electric dipole moment in the cluster model with a triton: 7Li and 11B NUCLEAR STRUCTURE 7Li, 11B; calculated electric dipole moments (EDM) in the cluster model with α and triton clusters as degrees of freedom, deduced sensitivity to CP violation in terms of the chiral effective-field theory. Calculations based on treatment of 7Li and 11B nuclei in the two- and three-body problem, respectively, and used the Gaussian expansion method with the assumption of one-meson exchange P, CP-odd nuclear forces. 6,7Li, 9Be, 11B, 13C; deduced that EDMs of the ground states of 6,7Li, 9Be, 11B and the first 1/2+ state of 13C obey an approximate counting rule accounting for the EDM of the cluster and the α-N polarization. Discussed role in probing new physics beyond the standard model.
doi: 10.1103/PhysRevC.100.055501
2019ZH24 Phys.Rev. C 99, 051303 (2019) B.Zhou, Y.Funaki, H.Horiuchi, M.Kimura, Z.Ren, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Nonlocalized motion in a two-dimensional container of α particles in 3- and 4- states of 12C NUCLEAR STRUCTURE 12C; calculated level energies, Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions, energy curves and contours, and density profiles of the first 3- and 4- states in 12C using container model. Comparison with generator coordinate method (GCM).
doi: 10.1103/PhysRevC.99.051303
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
2018AD01 Phys.Rev. C 97, 014601 (2018) S.Adachi, T.Kawabata, K.Minomo, T.Kadoya, N.Yokota, H.Akimune, T.Baba, H.Fujimura, M.Fujiwara, Y.Funaki, T.Furuno, T.Hashimoto, K.Hatanaka, K.Inaba, Y.Ishii, M.Itoh, C.Iwamoto, K.Kawase, Y.Maeda, H.Matsubara, Y.Matsuda, H.Matsuno, T.Morimoto, H.Morita, M.Murata, T.Nanamura, I.Ou, S.Sakaguchi, Y.Sasamoto, R.Sawada, Y.Shimizu, K.Suda, A.Tamii, Y.Tameshige, M.Tsumura, M.Uchida, T.Uesaka, H.P.Yoshida, S.Yoshida Systematic analysis of inelastic α scattering off self-conjugate A=4n nuclei NUCLEAR REACTIONS 12C, 16O, 20Ne, 24Mg, 28Si, 40Ca(α, α), (α, α'), E=130, 386 MeV; measured Eα, Iα, elastic and inelastic σ(θ, E) using Grand Raiden (GR) magnetic spectrometer with two multiwire drift chambers and two plastic scintillation counters at the AVF cyclotron of Research Center of Nuclear Physics (RCNP), Osaka University. 12C, 16O, 20Ne, 24Mg, 28Si, 40Ca; deduced levels, J, π, L transfers, EWSR strengths of the isoscalar dipole transitions. DWBA and coupled-channel (CC) analysis of σ(θ) distributions with the density-independent (DI) and density-dependent (DD) α-nucleus interactions.
doi: 10.1103/PhysRevC.97.014601
2018FU03 Phys.Rev. C 97, 021304 (2018) "Container" evolution for cluster structures in 16O NUCLEAR STRUCTURE 16O; calculated 0+ levels, rms charge radii and monopole matrix elements, contour maps and maxima of the squared overlaps between the 0+ states using the extended THSR wave functions for α+12C cluster and 4α tetrahedral shape of 16O, and by solving Hill-Wheeler equation. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.021304
2018ZH24 Phys.Rev. C 97, 054323 (2018) Q.Zhao, Z.Ren, M.Lyu, H.Horiuchi, Y.Funaki, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada, B.Zhou Investigation of the 9B nucleus and its cluster-nucleon correlations NUCLEAR STRUCTURE 9B; calculated levels, J, π, 3/2- rotational band levels, rms radii of six levels, density distributions of valence proton, energy of the 1/2+ excited state. New superposed Tohsaki-Horiuchi-Schuck-Ropke (THSR) wavefunction for cluster-correlated dynamics of valence nucleons. Comparison with experimental values and, with other theoretical predictions.
doi: 10.1103/PhysRevC.97.054323
2017FU10 Phys.Lett. B 773, 336 (2017) Y.Funaki, M.Isaka, E.Hiyama, T.Yamada, K.Ikeda Multi-cluster dynamics in 13ΛC and analogy to clustering in 12C NUCLEAR STRUCTURE 12,13C; calculated hypernuclei level energies, J, π, rms radii, parameters. Comparison with available data.
doi: 10.1016/j.physletb.2017.08.048
2017XU03 Phys.Rev. C 95, 061306 (2017) C.Xu, G.Ropke, P.Schuck, Z.Ren, Y.Funaki, H.Horiuchi, A.Tohsaki, T.Yamada, B.Zhou a-cluster formation and decay in the quartetting wave function approach RADIOACTIVITY 190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 210Pb, 214Rn, 216Ra, 218Th, 260Sg, 264,268Hs, 270Ds, 286,288Fl, 290,292Lv, 294Og(α); calculated α-cluster preformation probabilities, comparison of experimental and theoretical half-lives. Microscopic calculations for α-cluster formation using quartetting wave function approach.
doi: 10.1103/PhysRevC.95.061306
2017YA19 Phys.Rev. C 95, 065503 (2017) N.Yamanaka, T.Yamada, E.Hiyama, Y.Funaki Electric dipole moment of 13C NUCLEAR STRUCTURE 13C; calculated electric dipole moment (EDM) using the isovector charge conjugation-parity (CP)-odd pion exchange nuclear force in the α-cluster model; deduced role of structure of 13C in the enhancement of the EDM; and in turn discussed the role of the EDM of 13C in determining the new physics beyond the standard model.
doi: 10.1103/PhysRevC.95.065503
2016FU07 Phys.Rev. C 94, 024344 (2016) Monopole excitation of the Hoyle state and linear-chain state in 12C NUCLEAR STRUCTURE 12C; calculated level energies and wave functions of 0+ states above the second 0+ (Hoyle); deduced 3α cluster structure and linear chain, third and fourth 0+ states; discussed relationship with the Hoyle state, their similarities and differences. Microscopic α-cluster model, Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function.
doi: 10.1103/PhysRevC.94.024344
2016LY03 Phys.Rev. C 93, 054308 (2016) M.Lyu, Z.Ren, B.Zhou, Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Investigation of 10Be and its cluster dynamics with the nonlocalized clustering approach NUCLEAR STRUCTURE 10Be; calculated energies of the first two 0+ states, rms radii, rotational bands built on 0+ states, density distribution and correlations of two valence neutrons, dynamics of α clusters using Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.054308
2016SC21 Phys.Scr. 91, 123001 (2016) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada Alpha particle clusters and their condensation in nuclear systems
doi: 10.1088/0031-8949/91/12/123001
2016XU01 Phys.Rev. C 93, 011306 (2016) C.Xu, Z.Ren, G.Ropke, P.Schuck, Y.Funaki, H.Horiuchi, A.Tohsaki, T.Yamada, B.Zhou α-decay width of 212Po from a quartetting wave function approach RADIOACTIVITY 212Po(α); calculated preformation probability and decay half-life using different sets of effective c.m. potentials and implementing four-nucleon correlations. Comparison of calculated α-decay width with experimental value.
doi: 10.1103/PhysRevC.93.011306
2015AK03 Phys.Rev. C 92, 022801 (2015) Imaginary-time formalism for triple-α reaction rates
doi: 10.1103/PhysRevC.92.022801
2015FU09 Phys.Rev. C 92, 021302 (2015) Hoyle band and α condensation in 12C NUCLEAR STRUCTURE 12C; calculated levels, J, π, binding energies, rms radii for mass distributions, partial α-decay widths, B(E2), monopole matrix elements M(E0), Hoyle band, 3α-, and 4α-condensate structures, S2 factors. Extended version of the so-called Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.021302
2015HI06 Phys.Rev. C 92, 015205 (2015) E.Hikota, Y.Funaki, E.Hiyama, M.Oka Radiative capture reaction rate from ΛΛ to H dibaryon in the imaginary time method
doi: 10.1103/PhysRevC.92.015205
2015LY01 Phys.Rev. C 91, 014313 (2015) M.Lyu, Z.Ren, B.Zhou, Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Investigation of 9Be from a nonlocalized clustering concept NUCLEAR STRUCTURE 9Be; calculated levels, J, π, bands, contour maps of binding energy surface as function of β parameters, density distribution contour of the intrinsic ground state. Nonlocalized clustering calculations based on Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function with a new phase factor. Comparison with available experimental results.
doi: 10.1103/PhysRevC.91.014313
2015YA16 Phys.Rev. C 92, 034326 (2015) α-cluster structures and monopole excitations in 13C NUCLEAR STRUCTURE 13C; calculated energies, rms radii, C0 transition matrix elements, isoscalar monopole strengths, B(GT), B(E1), reduced width amplitudes, spectroscopic factors, occupation probabilities of single-α and neutron orbits for 1/2- and 1/2+ states. Hoyle analog state in 13C. Cluster model with full four-body 3α+n orthogonality condition model (OCM) calculation. 9Be; calculated low-lying levels by the 2α+n OCM calculation. Comparison with available experimental data.
doi: 10.1103/PhysRevC.92.034326
2014FU10 Prog.Theor.Exp.Phys. 2014, 113D01 (2014) Ya.Funaki, T.Yamada, E.Hiyama, B.Zhou, K.Ikeda Container structure of alpha-alpha-Lambda clusters in 9-Lambda-Berylium NUCLEAR STRUCTURE 9Be; calculated cluster hypernuclei structures, energy levels, J, π. Comparison with available data.
doi: 10.1093/ptep/ptu143
2014HI01 Prog.Theor.Exp.Phys. 2014, 013D01 (2014) E.Hiyama, Y.Funaki, N.Kaiser, W.Weise Alpha-clustered hypernuclei and chiral SU(3) dynamics NUCLEAR STRUCTURE 5He, 9Be, 13C; calculated hypernuclei nucleon density distributions, correlation between hypernuclear potential depth and the surface strength.
doi: 10.1093/ptep/ptt112
2014RO20 Phys.Rev. C 90, 034304 (2014) G.Ropke, P.Schuck, Y.Funaki, H.Horiuchi, Z.Ren, A.Tohsaki, C.Xu, T.Yamada, B.Zhou Nuclear clusters bound to doubly magic nuclei: The case of 212Po NUCLEAR STRUCTURE 212Po; calculated internal four-nucleon energy, Coulomb and isospin-dependent Woods-Saxon potentials, Thomas-Fermi density, Fermi energy, E(α). Shell model calculations with cluster formation in inhomogeneous nuclear systems, four-particle (α-like) correlations in doubly-magic 208Pb core. Tohsaki-Horiuchi-Schuck-Ropke wave function approach in shell-model calculations. Discussed different physics behavior of an α-like cluster as compared to a deuteron-like cluster.
doi: 10.1103/PhysRevC.90.034304
2014su04 Phys.Rev.Lett. 112, 062501 (2014) T.Suhara, Y.Funaki, B.Zhou, H.Horiuchi, A.Tohsaki One-Dimensional α Condensation of α-Linear-Chain States in 12C and 16O NUCLEAR STRUCTURE 12C, 16O; calculated energy curves for excited states, α linear chain wave functions, α clusters. Brink and Tohsaki-Horiuchi-Schuck-Ropke wave functions.
doi: 10.1103/PhysRevLett.112.062501
2014ZH10 Phys.Rev. C 89, 034319 (2014) B.Zhou, Y.Funaki, H.Horiuchi, Z.Ren, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Nonlocalized cluster dynamics and nuclear molecular structure NUCLEAR STRUCTURE 8Be, 12C, 20Ne; calculated levels, J, π, energy surfaces, density distributions, quadrupole moments using Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function. Container model. Nonlocalized cluster dynamics for 2α, 3α, and 16O+α cluster systems.
doi: 10.1103/PhysRevC.89.034319
2014ZH33 Prog.Theor.Exp.Phys. 2014, 101D01 (2014) B.Zhou, Y.Funaki, A.Tohsaki, H.Horiuchi, Z.Ren The container picture with two-alpha correlation for the ground state of 12C NUCLEAR STRUCTURE 12C; calculated ground state energies, energy surfaces. THSR (Tohsaki-Horiuchi-Schuck-Ropke) wavefunctions.
doi: 10.1093/ptep/ptu127
2013FU09 Phys.Rev. C 88, 014321 (2013) Y.Fukuoka, S.Shinohara, Y.Funaki, T.Nakatsukasa, K.Yabana Deformation and cluster structures in 12C studied with configuration mixing using Skyrme interactions NUCLEAR STRUCTURE 12C; calculated levels, J, π, B(E2), B(E3), E0 transition probability, mass rms radius of excited states, elastic form factor for E0 transitions, Slater determinants, nuclear density contour plots. Coupling between shell-model and cluster configurations. Configuration-mixing method with different parameters of Skyrme interaction. Three-α linear-chain configuration of second excited 0+ state. Comparison with previous theoretical studies, and with experimental data.
doi: 10.1103/PhysRevC.88.014321
2013FU11 Nucl.Phys. A914, 194c (2013) Y.Funaki, T.Yamada, E.Hiyama, K.Ikeda Alpha-particle condensation in light hypernuclei NUCLEAR STRUCTURE 12C, 13C. 13C hypernucleus calculated α-particle occupation probability for specified hypernucleus single-α-orbits vs radius using α-condensate-type microscopic model.
doi: 10.1016/j.nuclphysa.2013.05.012
2013ZH25 Phys.Rev.Lett. 110, 262501 (2013) B.Zhou, Y.Funaki, H.Horiuchi, Z.Ren, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Nonlocalized Clustering: A New Concept in Nuclear Cluster Structure Physics NUCLEAR STRUCTURE 20Ne; calculated energy surfaces, levels, J, π. The Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function, α+16O resonating group method.
doi: 10.1103/PhysRevLett.110.262501
2012FU10 Prog.Theor.Phys.(Kyoto), Suppl. 196, 439 (2012) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Alpha Cluster States and Condensation in 16O NUCLEAR STRUCTURE 16O, 12C, 20Ne; calculated energy spectra, J, π, rotational band of the α+Hoyle state. Orthogonality condition model and Gauss expansion method calculations.
doi: 10.1143/PTPS.196.439
2012YA02 Phys.Rev. C 85, 034315 (2012) T.Yamada, Y.Funaki, T.Myo, H.Horiuchi, K.Ikeda, G.Ropke, P.Schuck, A.Tohsaki Isoscalar monopole excitations in 16O: α-cluster states at low energy and mean-field-type states at higher energy NUCLEAR STRUCTURE 16O; calculated energies of 0+ levels, rms charge radii, E0 transition matrix elements, particle decay widths, spectroscopic factors, isoscalar monopole strength functions using four α cluster model and α+12C orthogonality condition model (OCM) model. Discussed dual nature of 16O ground state. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.034315
2012YA06 Phys.Rev. C 85, 055803 (2012) Imaginary-time method for the radiative capture reaction rate NUCLEAR REACTIONS 16O(α, γ)20Ne, E at kT<1000 MeV; calculated radiative capture rate as function of inverse temperature. Spectral representation of Hamiltonian, solution of time-dependent Schrodinger equation in imaginary-time axis. Comparison with calculation using ordinary method.
doi: 10.1103/PhysRevC.85.055803
2012YA16 Prog.Theor.Phys.(Kyoto), Suppl. 196, 388 (2012) Three-Body Cluster Structures and Hoyle-Analogue States in 11B NUCLEAR STRUCTURE 11B, 12,13C, 16O; calculated energy levels, J, π, occupation probabilities, resonances. α+α+t orthogonality condition model, comparison with experimental data.
doi: 10.1143/PTPS.196.388
2012ZH29 Phys.Rev. C 86, 014301 (2012) B.Zhou, Z.-z.Ren, C.Xu, Y.Funaki, T.Yamada, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke New concept for the ground-state band in 20Ne within a microscopic cluster model NUCLEAR STRUCTURE 20Ne; calculated energy surface contour maps of ground-state and first 2+ states, wave function overlaps, minimum energies and distances between α cluster and 16O cluster with respect to different spin-projected states for the ground-state band members up to 8+. Brink microscopic cluster model based on generalized Tohsaki, Horiuchi, Schuck, Ropke (THSR) wave functions. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.014301
2011FU08 Int.J.Mod.Phys. E20, 874 (2011) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Alpha clustering and condensation in nuclei NUCLEAR STRUCTURE 16O; calculated energy levels, J, π, rms radii, occupation of the single-α orbitals. OCM and THSR calculations, comparison with experimental data.
doi: 10.1142/S0218301311018873
2011YA08 Int.J.Mod.Phys. E20, 910 (2011) Cluster structures and single-cluster motions in 11B and 13C NUCLEAR STRUCTURE 11B, 13C; calculated energy levels, J, π, occupation probabilities.
doi: 10.1142/S0218301311018952
2010FU06 Phys.Rev. C 82, 024312 (2010) Y.Funaki, T.Yamada, A.Tohsaki, H.Horiuchi, G.Ropke, P.Schuck Microscopic study of 4α-particle condensation with inclusion of resonances NUCLEAR STRUCTURE 16O; calculated binding energies, energy spectra, rms radii, monopole M(E0) matrix elements, α-decay widths, nucleon density distributions, occupation probabilities, and momentum distributions of four 0+ states in 4α-particle condensate using Tohsaki-Horiuchi- Schuck-Ropke (THSR) wave function. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.024312
2010YA22 Phys.Rev. C 82, 064315 (2010) α+α+t cluster structures and 12C(02+)-analog states in 11B NUCLEAR STRUCTURE 11B; analyzed cluster structure of 3/2- and 1/2+ levels, energies, J, π, nuclear radii, reduced width amplitudes, and occupation probabilities of single α particle and single triton particle using orthogonality condition model (OCM) based on the Gaussian expansion method (GEM). 11B treated as α+α+t cluster. 12C; calculated occupation probabilities of single α particle for g.s. and first excited 0+ state. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.064315
2009FU14 Int.J.Mod.Phys. E18, 2083 (2009) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki α-particle condensed state in 16O NUCLEAR STRUCTURE 16O; calculated energy spectra, J, π, rms radii, monopole transition matrix elements, single-α orbits.
doi: 10.1142/S0218301309014330
2009FU16 Phys.Rev. C 80, 064326 (2009) Y.Funaki, H.Horiuchi, W.von Oertzen, G.Ropke, P.Schuck, A.Tohsaki, T.Yamada Concepts of nuclear α-particle condensation NUCLEAR STRUCTURE 12C, 16O; calculated occupation of single-α orbitals, binding energies, and momentum distribution of Hoyle states in 12C and 16O using antisymmetrized α-particle product state wave functions or THSR (Tohsaki-Horiuchi-Schuck-Roepke) α-cluster wave functions. Discussed α-cluster phenomenon in connection with experimental αγ-coin spectra for 24Mg(28Si, 3α)40Ca and 24Mg(28Si, 12C)40Ca reactions.
doi: 10.1103/PhysRevC.80.064326
2009YA05 Phys.Rev. C 79, 054314 (2009) T.Yamada, Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Internal one-particle density matrix for Bose-Einstein condensates with finite number of particles in a harmonic potential
doi: 10.1103/PhysRevC.79.054314
2008FU06 Phys.Rev. C 77, 064312 (2008) Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, T.Yamada Density-induced suppression of the α-particle condensate in nuclear matter and the structure of α-cluster states in nuclei NUCLEAR STRUCTURE 12C, 16O; calculated condensation fraction for alpha-matter and its dependence on baryon density. Jastrow-Feenberg approach.
doi: 10.1103/PhysRevC.77.064312
2008FU11 Phys.Rev.Lett. 101, 082502 (2008) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki α-Particle Condensation in 16O Studied with a Full Four-Body Orthogonality Condition Model Calculation NUCLEAR STRUCTURE 16O; calculated energy and rms radii of ground and excited 0+ states and monopole transition matrix elements, M(E0) to ground state; comparison with experiments; semi-microscopic cluster model.
doi: 10.1103/PhysRevLett.101.082502
2008FU14 Int.J.Mod.Phys. E17, 2087 (2008) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Present status of alpha-particle condensate states in self-conjugate 4n nuclei NUCLEAR STRUCTURE 12C, 16O; calculated low density states near the 3α and 4α breakup threshold, energy levels, J, π. OCM and THSR approaches.
doi: 10.1142/S0218301308011148
2008YA24 Int.J.Mod.Phys. E17, 2101 (2008) Cluster states and alpha particle condensation in 13C NUCLEAR STRUCTURE 13C; calculated low-lying energy levels, J, π, isoscalar monopole strengths, rms radii. Comparison with experiment.
doi: 10.1142/S0218301308011161
2007SC21 Prog.Part.Nucl.Phys. 59, 285 (2007) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada Quartetting in fermionic matter and α-particle condensation in nuclear systems
doi: 10.1016/j.ppnp.2006.12.003
2007SC38 Nucl.Phys. A788, 293c (2007) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada α-Particle Condensation in Nuclear Systems NUCLEAR STRUCTURE 12C; calculated binding energy, radii, monopole matrix elements and inelastic form factor. 16O; calculated 0+ state energies. Hoyle state discussed.
doi: 10.1016/j.nuclphysa.2007.01.015
2007WA32 Phys.Lett. B 653, 173 (2007) T.Wakasa, E.Ihara, K.Fujita, Y.Funaki, K.Hatanaka, H.Horiuchi, M.Itoh, J.Kamiya, G.Ropke, H.Sakaguchi, N.Sakamoto, Y.Sakemi, P.Schuck, Y.Shimizu, M.Takashina, S.Terashima, A.Tohsaki, M.Uchida, H.P.Yoshida, M.Yosoi New candidate for an alpha cluster condensed state in 16O(α, α') at 400 MeV NUCLEAR REACTIONS 16O(α, α'), E=400 MeV; analyzed elastic and inelastic σ(θ). Comparison with model calculations. Evidence for cluster structure.
doi: 10.1016/j.physletb.2007.08.016
2006FU02 Prog.Theor.Phys.(Kyoto) 115, 115 (2006) Y.Funaki, H.Horiuchi, A.Tohsaki New Treatment of Resonances with a Bound State Approximation Using a Pseudo-Potential NUCLEAR STRUCTURE 12C; calculated wave function, resonance parameters for second 2+ state. Analytic continuation in the coupling constant.
doi: 10.1143/PTP.115.115
2006FU09 Eur.Phys.J. A 28, 259 (2006) Y.Funaki, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Inelastic form factors to alpha-particle condensate states in 12C and 16O: What can we learn? NUCLEAR STRUCTURE 12C, 16O; calculated inelastic and elastic form factors, α-cluster states energies, related features. Hoyle state discussed, comparison with data.
doi: 10.1140/epja/i2006-10061-5
2005FU02 Eur.Phys.J. A 24, 321 (2005) Y.Funaki, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Resonance states in 12C and α-particle condensation NUCLEAR STRUCTURE 12C; calculated resonance levels J, π, α-decay widths, α-cluster structure. Analytic continuation in the coupling constant.
doi: 10.1140/epja/i2004-10238-x
2004SC27 Nucl.Phys. A738, 94 (2004) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada Alpha-particle condensation in nuclei NUCLEAR STRUCTURE 12C; calculated α-cluster states energies, radii. Other nuclides discussed.
doi: 10.1016/j.nuclphysa.2004.04.075
2003FU06 Phys.Rev. C 67, 051306 (2003) Y.Funaki, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Analysis of previous microscopic calculations for the second 0+ state in 12C in terms of 3-α particle Bose-condensed state NUCLEAR STRUCTURE 12C; calculated 0+ state wave function, radius, related features. Comparison of microscopic cluster model and condensed state results.
doi: 10.1103/PhysRevC.67.051306
2003FU21 Mod.Phys.Lett. A 18, 170 (2003) Y.Funaki, H.Horiuchi, A.Tohsaki, P.Schuck, G.Ropke Description of 8Be as deformed gas- Like two-alpha-particle states NUCLEAR STRUCTURE 8Be; calculated level energies, widths, deformation. Deformed α-cluster condensate.
doi: 10.1142/S0217732303010181
2002FU19 Prog.Theor.Phys.(Kyoto) 108, 297 (2002) Y.Funaki, H.Horiuchi, A.Tohsaki, P.Schuck, G.Ropke Description of 8Be as Deformed Gas-Like Two-Alpha-Particle States NUCLEAR STRUCTURE 8Be; calculated level energies, widths, deformation. Deformed α-cluster condensate.
doi: 10.1143/PTP.108.297
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