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NSR database version of May 20, 2024.

Search: Author = K.Matsuyanagi

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2020AR01      Phys.Scr. 95, 24003 (2020)

K.-i.Arita, T.Ichikawa, K.Matsuyanagi

Semiclassical origin of asymmetric nuclear fission: nascent-fragment shell effect in periodic-orbit theory

NUCLEAR REACTIONS 236U(n, F), E not given; analyzed available data; deduced shell structures in fission processes with the 3QS cavity model.

doi: 10.1088/1402-4896/ab42a8
Citations: PlumX Metrics


2018AR09      Phys.Rev. C 98, 064311 (2018)

K.Arita, T.Ichikawa, K.Matsuyanagi

Nascent fragment shell effects on the nuclear fission processes in semiclassical periodic orbit theory

doi: 10.1103/PhysRevC.98.064311
Citations: PlumX Metrics


2016MA10      J.Phys.(London) G43, 024006 (2016)

K.Matsuyanagi, M.Matsuo, T.Nakatsukasa, K.Yoshida, N.Hinohara, K.Sato

Microscopic derivation of the quadrupole collective Hamiltonian for shape coexistence/mixing dynamics

NUCLEAR STRUCTURE 72Kr, 30,32,34Mg; calculated potential energy surfaces, J, π, energy levels. Large-amplitude collective motions (LACM).

doi: 10.1088/0954-3899/43/2/024006
Citations: PlumX Metrics


2016MA71      Phys.Scr. 91, 063014 (2016)

K.Matsuyanagi, M.Matsuo, T.Nakatsukasa, K.Yoshida, N.Hinohara, K.Sato

Microscopic derivation of the Bohr-Mottelson collective Hamiltonian and its application to quadrupole shape dynamics

doi: 10.1088/0031-8949/91/6/063014
Citations: PlumX Metrics


2016NA48      Phys.Scr. 91, 073008 (2016)

T.Nakatsukasa, K.Matsuyanagi, M.Matsuzaki, Y.R.Shimizu

Quantal rotation and its coupling to intrinsic motion in nuclei

doi: 10.1088/0031-8949/91/7/073008
Citations: PlumX Metrics


2015IC02      Phys.Rev. C 92, 021602 (2015)

T.Ichikawa, K.Matsuyanagi

Universal damping mechanism of quantum vibrations in deep sub-barrier fusion reactions

NUCLEAR REACTIONS 208Pb(16O, X), E near the touching point; calculated Nilsson diagram as a function of neutron or proton radius, B(E3), energy-weighted sums of B(E3), density distributions of the p1/2 and d5/2 states. 16O, 208Pb; deduced damping of quantum octupole vibrations. Random-phase approximation method applied to the heavy-mass asymmetric dinuclear system.

doi: 10.1103/PhysRevC.92.021602
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2014FU02      Phys.Rev.Lett. 112, 112502 (2014)

Y.Fujita, H.Fujita, T.Adachi, C.L.Bai, A.Algora, G.P.A.Berg, P.von Brentano, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.Fransen, D.De Frenne, K.Fujita, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, E.Jacobs, A.Krasznahorkay, H.Matsubara, K.Matsuyanagi, R.Meharchand, F.Molina, K.Muto, K.Nakanishi, A.Negret, H.Okamura, H.J.Ong, T.Otsuka, N.Pietralla, G.Perdikakis, L.Popescu, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, Y.Shimizu, G.Susoy, T.Suzuki, Y.Tameshige, A.Tamii, J.H.Thies, M.Uchida, T.Wakasa, M.Yosoi, R.G.T.Zegers, K.O.Zell, J.Zenihiro

Observation of Low- and High-Energy Gamow-Teller Phonon Excitations in Nuclei

NUCLEAR REACTIONS 42Ca, 46Ti, 50Cr, 54Fe(3He, t), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced cumulative-sum strengths of the experimental B(GT) values in the final nuclei, two kinds of GT phonon states. GXPF1J, quasi particle random phase approximation (QRPA) framework based on a self-consistent Hartree-Fock mean field with Skyrme interaction calculations, comparison with available data.

doi: 10.1103/PhysRevLett.112.112502
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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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2014MA98      Phys.Scr. 89, 054020 (2014)

M.Matsuo, N.Hinohara, K.Sato, K.Matsuyanagi, T.Nakatsukasa, K.Yoshida

Quadrupole shape dynamics from the viewpoint of a theory of large-amplitude collective motion

NUCLEAR STRUCTURE 58,60,62,64,66Cr; calculated low-lying quadrupole shape dynamics using large-scale collective motion; deduced deformation, shape-coexistence, shape-mixing, shape-transitional behavior, B(E2). Partially compared with data.

doi: 10.1088/0031-8949/89/5/054020
Citations: PlumX Metrics


2013IC03      Phys.Rev. C 88, 011602 (2013)

T.Ichikawa, K.Matsuyanagi

Damping of quantum vibrations revealed in deep sub-barrier fusion

NUCLEAR REACTIONS 16O(16O, X), E not given; 40Ca(40Ca, X), E(cm)=47-66 MeV; calculated E3 transition strengths, damping factor for E3 transitions, transition densities and currents, fusion σ(E). Discussed damping of quantum vibrations in deep sub-barrier fusion reactions. Random-phase-approximation method for two-body system, and Coupled-channel (CC) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.011602
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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
Citations: PlumX Metrics


2012HI08      Prog.Theor.Phys.(Kyoto), Suppl. 196, 328 (2012)

N.Hinohara, K.Sato, K.Yoshida, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Microscopic Analysis of Shape Coexistence/Mixing and Shape Phase Transition in Neutron-Rich Nuclei around 32Mg

NUCLEAR STRUCTURE 30,32,34,36Mg; analyzed quadrupole dynamics data; deduced enhancement of the quadrupole collectivity using collective Hamiltonian approach.

doi: 10.1143/PTPS.196.328
Citations: PlumX Metrics


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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2012SA33      Phys.Rev. C 86, 024316 (2012)

K.Sato, N.Hinohara, K.Yoshida, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Shape transition and fluctuations in neutron-rich Cr isotopes around N=40

NUCLEAR STRUCTURE 58,60,62,64,66Cr; calculated potential energy surface contours in β-γ plane, levels, B(E2), vibrational wave functions contours, E0 transition strengths. Solution of Schrodinger equation for five-dimensional quadrupole collective Hamiltonian, with constrained Hartree-Fock-Bogoliubov plus local quasiparticle random-phase approximation (CHFB+LQRPA) method. Large-amplitude shape fluctuations in low-lying states. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.024316
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2012SA63      J.Phys.:Conf.Ser. 381, 012103 (2012)

K.Sato, N.Hinohara, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Microscopic approach to large-amplitude deformation dynamics with local QRPA inertial masses

NUCLEAR STRUCTURE 72Kr; calculated levels, J, π, deformation, B(E2) using CHFB (constrained HFB) + LQRPA (local QRPA). 58,60,62,64Cr; calculated levels, J, π, deformation, spectroscopic quadrupole moment, B(E2) using CHFB.

doi: 10.1088/1742-6596/381/1/012103
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2011HI18      Phys.Rev. C 84, 061302 (2011)

N.Hinohara, K.Sato, K.Yoshida, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Shape fluctuations in the ground and excited 0+ states of 30, 32, 34Mg

NUCLEAR STRUCTURE 30,32,34,36Mg; calculated collective potential surfaces, levels, J, π, B(E2) values for low-lying positive-parity states, vibrational wave functions. Five-dimensional (5D) quadrupole collective Schrodinger equation, constrained Hartree-Fock-Bogoliubov plus local quasiparticle random phase approximation. Ground and excited 0+ states. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.061302
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2010HI09      Phys.Rev. C 82, 064313 (2010)

N.Hinohara, K.Sato, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Microscopic description of large-amplitude shape-mixing dynamics with inertial functions derived in local quasiparticle random-phase approximation

NUCLEAR STRUCTURE 68,70,72Se; calculated, in β-γ plane, collective potential surfaces, monopole and quadrupole pairing gaps, vibrational masses, rotational masses, vibrational wave functions, B(E2), excitation energies, and spectroscopic quadrupole moments using constrained Hartree-Fock-Bogoliubov (CHFB) and local quasiparticle random-phase approximation (LQRPA) based on adiabatic self-consistent collective coordinate (ASCC) method. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.064313
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2010SA01      Prog.Theor.Phys.(Kyoto) 123, 129 (2010)

K.Sato, N.Hinohara, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

A Model Analysis of Triaxial Deformation Dynamics in Oblate-Prolate Shape Coexistence Phenomena

doi: 10.1143/PTP.123.129
Citations: PlumX Metrics


2009HI07      Phys.Rev. C 80, 014305 (2009)

N.Hinohara, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Microscopic description of oblate-prolate shape mixing in proton-rich Se isotopes

NUCLEAR STRUCTURE 68,70,72Se; calculated levels, J, π, B(E2), quadrupole deformation, collective paths, monopole and quadrupole pairing gaps, collective potential and mass, frequencies at Hartree-Bogoliubov (HB) equilibrium, vibrational wave functions and spectroscopic quadrupole moments using adiabatic self-consistent collective coordinate (ASCC) method.

doi: 10.1103/PhysRevC.80.014305
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2009OG01      Prog.Theor.Phys.(Kyoto) 121, 357 (2009)

H.Ogasawara, K.Yoshida, M.Yamagami, S.Mizutori, K.Matsuyanagi

Rotational Frequency Dependence of Octupole Vibrations on Superdeformed States in 40Ca

doi: 10.1143/PTP.121.357
Citations: PlumX Metrics


2008HI02      Prog.Theor.Phys.(Kyoto) 119, 59 (2008)

N.Hinohara, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Microscopic Derivation of Collective Hamiltonian by Means of the Adiabatic Self-Consistent Collective Coordinate Method -Shape Mixing in Low-Lying States of 68Se and 72Kr-

NUCLEAR STRUCTURE 68Se, 72Kr; calculated level energies, B(E2), quadrupole deformation parameters, and pairing gaps using the ASCC method in conjunction with P+Q hamiltonian.

doi: 10.1143/PTP.119.59
Citations: PlumX Metrics


2008MI23      Phys.Rev. C 78, 044319 (2008)

N.Michel, K.Matsuyanagi, M.Stoitsov

Gamow-Hartree-Fock-Bogoliubov method: Representation of quasiparticles with Berggren sets of wave functions

NUCLEAR STRUCTURE 84,86,88,90Ni; calculated neutron densities, pairing densities, rms radii. Gamow-Hatree-Fock-Bogoliubov method.

doi: 10.1103/PhysRevC.78.044319
Citations: PlumX Metrics


2008OG02      Prog.Theor.Phys.(Kyoto) 120, 1169 (2008)

H.Ogasawara, K.Yoshida, M.Yamagami, S.Mizutori, K.Matsuyanagi

Triaxiality Dependence of Octupole Excitations on Superdeformed States in 44Ti

doi: 10.1143/PTP.120.1169
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2008ST09      Phys.Rev. C 77, 054301 (2008)

M.Stoitsov, N.Michel, K.Matsuyanagi

New efficient method for performing Hartree-Fock-Bogoliubov calculations for weakly bound nuclei

NUCLEAR STRUCTURE 40Mg, 84,86,88,90Ni, 110Zr; calculated neutron levels, wave functions, neutron and proton pairing densities. Hartree-Fock-Bogoliubov/Poschl-Teller-Ginocchio model. Skyrme-force and surface-type delta pairing interactions.

doi: 10.1103/PhysRevC.77.054301
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2007HI03      Prog.Theor.Phys.(Kyoto) 117, 451 (2007)

N.Hinohara, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Gauge-Invariant Formulation of the Adiabatic Self-Consistent Collective Coordinate Method

doi: 10.1143/PTP.117.451
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2006HI03      Prog.Theor.Phys.(Kyoto) 115, 567 (2006)

N.Hinohara, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Effects of Time-Odd Components in Mean Field on Large Amplitude Collective Dynamics

doi: 10.1143/PTP.115.567
Citations: PlumX Metrics


2006IN01      Nucl.Phys. A768, 61 (2006)

T.Inakura, H.Imagawa, Y.Hashimoto, S.Mizutori, M.Yamagami, K.Matsuyanagi

Mixed representation RPA calculation for octupole excitations on superdeformed states in the 40Ca and neutron-rich sulfur regions

NUCLEAR STRUCTURE 32,36,48,50S, 36Ar, 40Ca, 44Ti; calculated energy, J, octupole transition strengths for low-frequency negative-parity excitations built on superdeformed states. Self-consistent RPA approach, comparison with other models.

doi: 10.1016/j.nuclphysa.2006.01.008
Citations: PlumX Metrics


2006SH26      Phys.Scr. T125, 134 (2006)

Y.R.Shimizu, M.Matsuzaki, K.Matsuyanagi

Precession mode on high-K configurations: non-collective axially-symmetric limit of wobbling motion

NUCLEAR STRUCTURE 178W; calculated precession band energies, (gK-gR). 163Lu; calculated triaxial deformation, B(E2) ratios. RPA approach.

doi: 10.1088/0031-8949/2006/T125/031
Citations: PlumX Metrics


2006YO07      Nucl.Phys. A779, 99 (2006)

K.Yoshida, M.Yamagami, K.Matsuyanagi

Pairing and continuum effects on low-frequency quadrupole vibrations in deformed Mg isotopes close to the neutron drip line

NUCLEAR STRUCTURE 36,38,40Mg; calculated transition strengths for low-frequency quadrupole vibrational modes. Quasiparticle RPA.

doi: 10.1016/j.nuclphysa.2006.09.003
Citations: PlumX Metrics


2006YO09      Phys.Scr. T125, 45 (2006)

K.Yoshida, M.Yamagami, K.Matsuyanagi

Dynamic pairing effects on low-frequency modes of excitation in deformed Mg isotopes close to the neutron drip line

NUCLEAR STRUCTURE 36,38,40Mg; calculated isoscalar quadrupole strength distributions; deduced collective modes, dynamic pairing effects. Deformed quasiparticle RPA.

doi: 10.1088/0031-8949/2006/T125/010
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2005IN02      Eur.Phys.J. A 25, Supplement 1, 545 (2005)

T.Inakura, H.Imagawa, Y.Hashimoto, M.Yamagami, S.Mizutori, K.Matsuyanagi

Soft octupole vibrations on superdeformed states in nuclei around 40Ca suggested by Skyrme-HF and self-consistent RPA calculations

NUCLEAR STRUCTURE 32S, 36Ar, 40Ca, 44Ti; calculated energy, J for low-frequency negative-parity excitations built on superdeformed states. Self-consistent RPA approach.

doi: 10.1140/epjad/i2005-06-111-4
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2005KO05      Prog.Theor.Phys.(Kyoto) 113, 129 (2005)

M.Kobayashi, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Collective Paths Connecting the Oblate and Prolate Shapes in 68Se and 72Kr Suggested by the Adiabatic Self-Consistent Collective Coordinate Method

NUCLEAR STRUCTURE 68Se, 72Kr; calculated deformation parameters, pair gaps, shape coexistence features. Adiabatic self-consistent collective coordinate method, pairing-plus-quadrupole interaction.


2005KO42      Eur.Phys.J. A 25, Supplement 1, 547 (2005)

M.Kobayasi, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Collective path connecting the oblate and prolate local minima in proton-rich N = Z nuclei around 68Se

NUCLEAR STRUCTURE 68Se, 72Kr; calculated potential energy surfaces, shape coexistence features. Adiabatic self-consistent collective coordinate method.

doi: 10.1140/epjad/i2005-06-039-7
Citations: PlumX Metrics


2005SH29      Phys.Rev. C 72, 014306 (2005)

Y.R.Shimizu, M.Matsuzaki, K.Matsuyanagi

High-K precession modes: Axially symmetric limit of wobbling motion in the cranked random-phase approximation description

NUCLEAR STRUCTURE 178W; calculated high-K configurations excitation energies, B(M1), B(E2), precessional rotation. RPA approach.

doi: 10.1103/PhysRevC.72.014306
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2005YO03      Prog.Theor.Phys.(Kyoto) 113, 1251 (2005)

K.Yoshida, M.Yamagami, K.Matsuyanagi

Comparative Study of Octupole Excitations on Superdeformed States in 32S, 36S, 40Ca and 50S

NUCLEAR STRUCTURE 32,36,50S, 40Ca; calculated superdeformed band energies, configurations, isoscalar octupole strength. RPA approach, deformed Woods-Saxon potential.

doi: 10.1143/PTP.113.1251
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2005YO13      Eur.Phys.J. A 25, Supplement 1, 557 (2005)

K.Yoshida, T.Inakura, M.Yamagami, S.Mizutori, K.Matsuyanagi

Microscopic structure of negative-parity vibrations built on superdeformed states in sulfur isotopes close to the neutron drip line

NUCLEAR STRUCTURE 50S; calculated isoscalar octupole transition strengths, neutron density distributions, superdeformed states features. Woods-Saxon potential, RPA.

doi: 10.1140/epjad/i2005-06-142-9
Citations: PlumX Metrics


2004IN01      Int.J.Mod.Phys. E13, 157 (2004)

T.Inakura, M.Yamagami, K.Matsuyanagi, S.Mizutori, H.Imagawa, Y.Hashimoto

Static and dynamic non-axial octupole deformations suggested by Skyrme-HF and selfconsistent RPA calculations

NUCLEAR STRUCTURE 32,34,36,38,40,42,44,46,48,50S, 36Ar, 40Ca, 44Ti, 48Cr; calculated deformation energy curves. 32,36,48,50S; calculated levels, J, π, transition matrix elements. Skyrme-Hartree-Fock and RPA calculations.

doi: 10.1142/S0218301304001886
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2004KO47      Prog.Theor.Phys.(Kyoto) 112, 363 (2004)

M.Kobayasi, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Collective Path Connecting the Oblate and Prolate Local Minima in 68Se

NUCLEAR STRUCTURE 68Se; calculated potential energy surface, pairing gaps, shape coexistence features. Adiabatic self-consistent collective coordinate method.

doi: 10.1143/PTP.112.363
Citations: PlumX Metrics


2004MA21      Phys.Rev. C 69, 034325 (2004); Erratum Phys.Rev. C 69, 049901 (2004)

M.Matsuzaki, Y.R.Shimizu, K.Matsuyanagi

Nuclear moments of inertia and wobbling motions in triaxial superdeformed nuclei

NUCLEAR STRUCTURE 167Lu, 168Hf; calculated rotational bands wobbling motion excitation energy, deformation dependence, moments of inertia, B(E2), related features. Cranked shell model, RPA.

doi: 10.1103/PhysRevC.69.034325
Citations: PlumX Metrics


2004MA34      Eur.Phys.J. A 20, 189 (2004)

M.Matsuzaki, Y.R.Shimizu, K.Matsuyanagi

Dynamical moments of inertia associated with wobbling motion in the triaxial superdeformed nucleus

NUCLEAR STRUCTURE 163Lu; calculated rotational bands moments of inertia. 168Hf, 161,163,165,167,169Lu; calculated wobbling mode excitation energies. RPA approach.

doi: 10.1140/epja/i2002-10350-y
Citations: PlumX Metrics


2003IN03      Nucl.Phys. A728, 52 (2003)

T.Inakura, S.Mizutori, M.Yamagami, K.Matsuyanagi

Superdeformed bands in neutron-rich sulfur isotopes suggested by cranked Skyrme-Hartree-Fock calculations

NUCLEAR STRUCTURE 32,34,36,38,40,42,44,46,48,50S, 38Ar; calculated potential energy vs deformation. 32,36,50S deduced superdeformed configurations. Cranked Skyrme-Hartree-Fock approach.

doi: 10.1016/j.nuclphysa.2003.08.012
Citations: PlumX Metrics


2003KO71      Prog.Theor.Phys.(Kyoto) 110, 65 (2003)

M.Kobayasi, T.Nakatsukasa, M.Matsuo, K.Matsuyanagi

Application of the Adiabatic Self-Consistent Collective Coordinate Method to a Solvable Model of Prolate-Oblate Shape Coexistence

doi: 10.1143/PTP.110.65
Citations: PlumX Metrics


2002IN04      Nucl.Phys. A710, 261 (2002)

T.Inakura, S.Mizutori, M.Yamagami, K.Matsuyanagi

Cranked Skyrme-Hartree-Fock calculation for superdeformed and hyperdeformed rotational bands in N = Z nuclei from 32S to 48Cr

NUCLEAR STRUCTURE 32S, 36Ar, 40Ca, 44Ti, 48Cr; calculated rotational bands deformation, related features. 32S, 36Ar, 40Ca, 44Ti; deduced superdeformed bands. 36Ar, 40Ca, 44Ti, 48Cr; deduced hyperdeformed bands. 40Ca deduced octupole softness. Symmetry-unrestricted cranked Skyrme-Hartree-Fock method.

doi: 10.1016/S0375-9474(02)01164-8
Citations: PlumX Metrics


2002IN06      Prog.Theor.Phys.(Kyoto), Suppl. 146, 567 (2002)

T.Inakura, M.Yamagami, S.Mizutori, K.Matsuyanagi

Cranked Skyrme-Hartree-Fock Calculations for Superdeformed and Hyperdeformed Bands in N = Z Nuclei 32S, 36Ar, 40Ca, and in Neutron Rich Nuclei, 14Be, 26Ne, 46S

NUCLEAR STRUCTURE 32,46S, 36Ar, 40Ca, 44Ti, 48Cr; calculated superdeformed and hyperdeformed bands energy vs spin. Cranked Skyrme-Hartree-Fock approach.

doi: 10.1143/PTPS.146.567
Citations: PlumX Metrics


2002MA20      Phys.Rev. C65, 041303 (2002)

M.Matsuzaki, Y.R.Shimizu, K.Matsuyanagi

Wobbling Motion in Atomic Nuclei with Positive-γ Shapes

NUCLEAR STRUCTURE 163Lu; calculated moments of inertia for triaxial superdeformed band, transitions B(E2), B(M1); deduced role of proton alignment in wobbling mode. 147Gd; calculated rotational band moments of inertia. RPA calculations.

doi: 10.1103/PhysRevC.65.041303
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2001SH32      Prog.Theor.Phys.(Kyoto), Suppl. 141, 285 (2001)

Y.R.Shimizu, K.Matsuyanagi

Diabatic Mean-Field Description of Rotational Bands in Terms of the Selfconsistent Collective Coordinate Method

doi: 10.1143/PTPS.141.285
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2001YA15      Nucl.Phys. A693, 579 (2001)

M.Yamagami, K.Matsuyanagi, M.Matsuo

Symmetry-Unrestricted Skyrme-Hartree-Fock-Bogoliubov Calculations for Exotic Shapes in N = Z Nuclei from 64Ge to 84Mo

NUCLEAR STRUCTURE 64Ge, 68Se, 72Kr, 76Sr, 80Zr, 84Mo; calculated deformation parameters; deduced shape coexistence, nonaxial octupole deformation. Symmetry-unrestricted Skyrme-Hartree-Fock-Bogoliubov calculations.

doi: 10.1016/S0375-9474(01)00918-6
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2000MA47      Prog.Theor.Phys.(Kyoto) 103, 959 (2000)

M.Matsuo, T.Nakatsukasa, K.Matsuyanagi

Adiabatic Selfconsistent Collective Coordinate Method for Large Amplitude Collective Motion in Nuclei with Pairing Correlations

doi: 10.1143/PTP.103.959
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2000YA14      Nucl.Phys. A672, 123 (2000)

M.Yamagami, K.Matsuyanagi

High-Spin Yrast Structure of 32S Suggested by Symmetry-Unrestricted, Cranked Hartree-Fock Calculations

NUCLEAR STRUCTURE 32S; calculated high-spin rotational bands excitation energy vs spin, deformation, related features; deduce hyperdeformation, non-axial octupole deformation. Symmetry-unrestricted, cranked Hartree-Fock calculations.

doi: 10.1016/S0375-9474(99)00391-7
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1998AR19      Prog.Theor.Phys.(Kyoto) 100, 1223 (1998)

K.-I.Arita, A.Sugita, K.Matsuyanagi

Semiclassical Origin of Superdeformed Shell Structure in the Spheroidal Cavity Model

doi: 10.1143/PTP.100.1223
Citations: PlumX Metrics


1998SU31      Prog.Theor.Phys.(Kyoto) 100, 597 (1998)

A.Sugita, K.-I.Arita, K.Matsuyanagi

Periodic-Orbit Bifurcation and Shell Structure in Reflection-Asymmetric Deformed Cavity

doi: 10.1143/PTP.100.597
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1996NA07      Phys.Rev. C53, 2213 (1996)

T.Nakatsukasa, K.Matsuyanagi, S.Mizutori, Y.R.Shimizu

Microscopic Structure of High-Spin Vibrational Excitations in Superdeformed 190,192,194Hg

NUCLEAR STRUCTURE 190,192,194Hg; calculated octupole, (γ) vibrations excitation energy, B(λ), superdeformed bands dynamic moments of inertia. Cranked shell model extended by RPA.

doi: 10.1103/PhysRevC.53.2213
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1995AR19      Nucl.Phys. A592, 9 (1995)

K-I.Arita, K.Matsuyanagi

Classical Bifurcation and Enhancement of Quantum Shells: Systematic analysis of reflection-asymmetric deformed oscillator

doi: 10.1016/0375-9474(95)00219-Q
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1995MI20      Phys.Scr. T56, 276 (1995)

S.Mizutori, Y.R.Shimizu, K.Matsuyanagi

Microscopic Structure of Octupole Correlations at High-Spin in Superdeformed Open-Shell Nuclei

NUCLEAR STRUCTURE 146Nd, 148Sm, 150Gd, 152Dy, 154Er; calculated octupole strength function; deduced superdeformed bands octupole softness related features.

doi: 10.1088/0031-8949/1995/T56/048
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1995NA03      Phys.Lett. 343B, 19 (1995)

T.Nakatsukasa, K.Matsuyanagi, S.Mizutori, W.Nazarewicz

Octupole Correlations in Excited Bands of Superdeformed 152Dy

NUCLEAR STRUCTURE 152Dy; calculated superdeformed band dynamical moments of inertia; deduced rotation, octupole vibration interplay features. Cranked shell model, RPA.

doi: 10.1016/0370-2693(94)01484-T
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1994AR28      Prog.Theor.Phys.(Kyoto) 91, 723 (1994)

K.-I.Arita, K.Matsuyanagi

Semiclassical Analysis of the Supershell Effect in Reflection-Asymmetric Superdeformed Oscillator

doi: 10.1143/ptp/91.4.723
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1994NA09      Nucl.Phys. A573, 333 (1994)

T.Nakatsukasa, K.Matsuyanagi, I.Hamamoto, W.Nazarewicz

Low-Energy M1 and E3 Excitations in the Proton-Rich Kr-Zr Region

NUCLEAR STRUCTURE 76,78,80,82Sr, 72,74,76,78,80Kr, 80,82Zr; calculated levels, B(λ). Quasiparticle RPA.

doi: 10.1016/0375-9474(94)90348-4
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1993AR16      Prog.Theor.Phys.(Kyoto) 89, 389 (1993)

K.-I.Arita, K.Matsuyanagi

Octupole Instability of the Closed-Shell Configurations in the Superdeformed Oscillator Potential

NUCLEAR STRUCTURE A=40-160; calculated shell structure energy vs particle number, octupole deformation parameter; deduced octupole instability, superdeformed shape connection. Closed shell configurations, axially-symmetric harmonic oscillator potential.

doi: 10.1143/ptp/89.2.389
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1993MI10      Nucl.Phys. A557, 125c (1993)

S.Mizutori, T.Nakatsukasa, K.Arita, Y.R.Shimizu, K.Matsuyanagi

Octupole Correlations in Superdeformed High-Spin States

NUCLEAR STRUCTURE 158,156,154,152,150,148,146,144,142Gd, 184,186,188,190,192,194,196,198,200Hg; calculated curvature against octupole deformation, stretched octupole strengths; deduced octupole instability, superdeformed shape relationship.

doi: 10.1016/0375-9474(93)90536-7
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1993NA16      Prog.Theor.Phys.(Kyoto) 89, 847 (1993)

T.Nakatsukasa, S.Mizutori, K.Matsuyanagi

Effects of Octupole Vibrations on Quasiparticle Modes of Excitation in Superdeformed 193Hg

NUCLEAR STRUCTURE 192Hg; calculated superdeformed states octupole transitions strength distribution. 193Hg; calculated superdeformed rotational bands. Cranked shell model, RPA based particle-vibration coupling.

doi: 10.1143/ptp/89.4.847
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1992NA15      Prog.Theor.Phys.(Kyoto) 87, 607 (1992)

T.Nakatsukasa, S.Mizutori, K.Matsuyanagi

Octupole Vibrations in the Harmonic-Oscillator-Potential Model with Axis Ratio Two to One

NUCLEAR STRUCTURE Z=80; N=80; calculated RPA octupole transition strength functions; deduced open shell superdeformed configurations octupole vibrations evidence. Harmonic osillator potential model, axis ratio two to one, RPA solutions.

doi: 10.1143/ptp/87.3.607
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1991MI07      Prog.Theor.Phys.(Kyoto) 85, 559 (1991)

S.Mizutori, Y.R.Shimizu, K.Matsuyanagi

Octupole Vibrations with K = 1 and 2 in Superconducting, Superdeformed Nuclei

NUCLEAR STRUCTURE 192Hg, 144Gd; calculated octupole strength functions, superdeformed nuclei. RPA.

doi: 10.1143/ptp/85.3.559
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1990MI13      Prog.Theor.Phys.(Kyoto) 83, 666 (1990)

S.Mizutori, Y.R.Shimizu, K.Matsuyanagi

Octupole Vibrations Built on Superdeformed Rotational Bands

NUCLEAR STRUCTURE 152Dy; calculated giant octupole resonance strength functions; deduced resonances built on superdeformed band states. Cranking model based RPA.

doi: 10.1143/PTP.83.666
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1988MA26      Prog.Theor.Phys.(Kyoto) 79, 836 (1988)

M.Matsuzaki, Y.R.Shimizu, K.Matsuyanagi

Quasiparticle-Vibration Couplings in Rotating Triaxial Odd-A Nuclei

NUCLEAR STRUCTURE 157Ho, 159Tm, 161,165Lu, 161Dy, 167Er, 161,163,167Yb; calculated levels, B(λ), ratios, pairing gaps, deformation parameters. Quasiparticle-vibration coupling.

doi: 10.1143/PTP.79.836
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1987MA43      Prog.Theor.Phys.(Kyoto) 77, 1302 (1987)

M.Matsuzaki, Y.R.Shimizu, K.Matsuyanagi

Signature Dependence of M1 and E2 Transitions in Rotating Triaxial Odd-A Nuclei

NUCLEAR STRUCTURE 165Lu, 157Ho; calculated levels, B(λ). Rotating triaxial nuclei.

doi: 10.1143/PTP.77.1302
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1987MA63      Prog.Theor.Phys.(Kyoto) 78, 591 (1987)

M.Matsuo, K.Matsuyanagi

Microscopic Description of Anharmonic Gamma-Vibrations by Means of the Selfconsistent-Collective-Coordinate Method. III

NUCLEAR STRUCTURE 164,166,168Er, 162,164Dy, 186W, 186,188,190,192Os; calculated levels, B(E2). Self-consistent collective coordinate method.

doi: 10.1143/PTP.78.591
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1986MA62      Prog.Theor.Phys.(Kyoto) 76, 93 (1986)

M.Matsuo, K.Matsuyanagi

Microscopic Description of Anharmonic Gamma-Vibrations by Means of the Selfconsistent-Collective-Coordinate Method. II

NUCLEAR STRUCTURE 160,162,170,164,166,168Er; calculated single, double γ-vibrational state excitation energies, ratios, anharmonic γ-vibration spectra; deduced mode-mode coupling effects. Self-consistent collective coordinate method.

doi: 10.1143/PTP.76.93
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1986SH23      Prog.Theor.Phys.(Kyoto) 75, 1161 (1986)

Y.R.Shimizu, K.Matsuyanagi

Monopole and Quadrupole Giant Resonances in Rotating Triaxially Deformed Nuclei. II - A Microscopic Description of the Isoscalar and Isovector Modes -

NUCLEAR STRUCTURE 158,164Er; calculated yrast state based monopole, quadrupole giant resonances, strength distributions. Deformed nuclei, microscopic model.

doi: 10.1143/PTP.75.1161
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1984SH11      Prog.Theor.Phys.(Kyoto) 71, 960 (1984)

Y.R.Shimizu, K.Matsuyanagi

Incipient Triaxial Deformations of the Rotation-Aligned Bands - Equilibrium Shapes Determined by the Isotropic Velocity Distribution Condition -

NUCLEAR STRUCTURE 154,156,158,160,162,164,166Er; calculated quadrupole, neutron, proton pairing, equilibrium deformations, energy surfaces. 168Yb, 156,158,160,162,164Dy; calculated quadrupole deformation. Stretched coordinates, Nilsson model.

doi: 10.1143/PTP.71.960
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1984SH29      Prog.Theor.Phys.(Kyoto) 72, 799 (1984)

Y.R.Shimizu, K.Matsuyanagi

Interplay of Gamma-Vibrations and Aligned-Quasiparticles at High-Spin Yrast Region

NUCLEAR STRUCTURE 164Er; calculated levels, rotational bands, yrast spectra; deduced band collectivity behavior. Self consistent diabatic quasiparticle basis, RPA.

doi: 10.1143/PTP.72.799
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1984SH35      Prog.Theor.Phys.(Kyoto) 72, 1017 (1984)

Y.R.Shimizu, K.Matsuyanagi

Monopole and Quadrupole Giant Resonances in Rotating Triaxially Deformed Nuclei

NUCLEAR STRUCTURE 158,164Er; calculated giant monopole, GQR transition strength functions, EWSR, deformation parameters. RPA, rotating shell model.

doi: 10.1143/PTP.72.1017
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1983SH28      Prog.Theor.Phys.(Kyoto) 70, 144 (1983)

Y.R.Shimizu, K.Matsuyanagi

An Extension of the Rotating Shell Model and Its Application to 164Er

NUCLEAR STRUCTURE 164Er; calculated positive parity yrast spectrum; deduced s-band triaxial deformation onset. RPA, rotating potentials.

doi: 10.1143/PTP.70.144
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1983SH29      Prog.Theor.Phys.(Kyoto) 70, 319 (1983)

Y.R.Shimizu, K.Matsuyanagi

Residual Interactions between Aligned Quasiparticles and Pairing Deformation Changes in 165,166Yb and 164Er

NUCLEAR STRUCTURE 165,166Yb, 164Er; analyzed pairing deformation data; deduced residual interaction blocking effect connection. Quasiparticle Hamiltonian, rotating deformed potential.

doi: 10.1143/PTP.70.319
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1982SH14      Prog.Theor.Phys.(Kyoto) 67, 1641 (1982)

Y.R.Shimizu, K.Matsuyanagi

High-Spin Anomaly of Gamma Band and Rotation-Alignment Effects in 164Er

NUCLEAR STRUCTURE 164Er; calculated yrast spectrum, two-quasiparticle transition strength; deduced γ-vibrational mode character. Shell model plus RPA, rotating frame.

doi: 10.1143/PTP.67.1641
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1982SH15      Prog.Theor.Phys.(Kyoto) 67, 1637 (1982)

Y.R.Shimizu, K.Matsuyanagi

Rotational Frequency Dependence of Gamma Vibration and Pairing Potential in 164Er

NUCLEAR STRUCTURE 164Er; calculated γ-vibration energies, neutron pairing potential; deduced rotational frequency dependence on pairing potential.

doi: 10.1143/PTP.67.1637
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1980BR22      Nucl.Phys. A348, 237 (1980)

R.A.Broglia, K.Matsuyanagi, H.Sofia, A.Vitturi

Nuclear Field Theory Treatment of Complex Nuclear Spectra

NUCLEAR STRUCTURE 76Kr; calculated levels, band structure. Nuclear field theory, pairing plus quadrupole Hamiltonian.

doi: 10.1016/0375-9474(80)90336-X
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1978MA38      Nucl.Phys. A307, 253 (1978)

K.Matsuyanagi, T.Dossing, K.Neergard

High-Spin Isomers in Po, At and Rn in the Deformed Independent Particle Model

NUCLEAR STRUCTURE 212,209,210Po, 210,211,213At, 212,214,216,210Rn; calculated yrast levels.

doi: 10.1016/0375-9474(78)90616-4
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1975KU11      Progr.Theor.Phys. 53, 489 (1975)

A.Kuriyama, T.Marumori, K.Matsuyanagi, R.Okamoto

Microscopic Structure of a New Type of Collective Excitation in Odd-Mass Mo, Ru, I, Cs and La Isotopes

NUCLEAR STRUCTURE 129,131I, 131,133Cs, 133,135La, 95,97,99Mo, 97,99,101Ru; calculated B(E2).

doi: 10.1143/PTP.53.489
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1974KU09      Progr.Theor.Phys. 51, 779 (1974)

A.Kuriyama, T.Marumori, K.Matsuyanagi

Theory of Collective Excitations in Spherical Odd-Mass Nuclei. III

NUCLEAR STRUCTURE 93Nb, 95,99Tc, 103Rh, 107Ag, 77,79Se, 81Se, 85Sr, 113Cd, 125Te; calculated levels. 93,95Nb, 95,97,99Tc, 99,101,103,105Rh, 107,109,111Ag, 73,75,77Ge, 77,79,81Se, 83,85Sr, 87Zr, 113,115Cd, 125,127,129,131Te, 131,133Xe; calculated B(E2), g, B(M1), quadrupole moment. 125Te, 99Tc, 93Nb; calculated S. 83Kr calculated B(E2), B(M1), g, S.

doi: 10.1143/PTP.51.779
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1972KU25      Prog.Theor.Phys. 47, 498 (1972)

A.Kuriyama, T.Marumori, K.Matsuyanagi

Theory of Collective Excitations in Spherical Odd-Mass Nuclei. II

NUCLEAR STRUCTURE 101Tc, 103Rh, 105Ag, 79Se, 109,111,113,115,117,119,121Cd, 111,113,115,117,119,121,123,125Sn, 119,121,123,125,127,129Te, 127,129,131,133Xe, 131,133,135Ba, 93,95Nb, 97,99,101Tc, 97,99,101,103Rh, 101,103,107Ag; calculated levels; analyzed collective excitations.Pairing+quadrupole-quadrupole model.

doi: 10.1143/PTP.47.498
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