NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = Y.R.Shimizu Found 95 matches. 2019SA61 J.Phys.(London) G46, 055102 (2019); Corrigendum J.Phys.(London) G46, 109501 (2019) A.Saha, T.Bhattacharjee, D.Curien, J.Dudek, I.Dedes, K.Mazurek, A.Gozdz, S.Tagami, Y.R.Shimizu, S.R.Banerjee, S.Rajbanshi, A.Bisoi, G.de Angelis, S.Bhattacharya, S.Bhattacharyya, S.Biswas, A.Chakraborty, S.Das Gupta, B.Dey, A.Goswami, D.Mondal, D.Pandit, R.Palit, T.Roy, R.P.Singh, M.S.Sarkar, S.Saha, J.Sethi Spectroscopy of a tetrahedral doubly magic candidate nucleus 16070Yb90 NUCLEAR REACTIONS 148Sm(16O, 4n)160Yb, E=90 MeV; measured reaction products, Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO) and γγ(linearpol) using INGA array of 20 Compton-suppressed HPGe clover detectors at TIFR pelletron facility. 160Yb; deduced high-spin levels, J, π, multipolarities, rotational bands, alignments, tetrahedral deformation. Systematics of g.s. and negative-parity bands in 152,154,156Gd.
doi: 10.1088/1361-6471/ab0573
2018DU02 Phys.Rev. C 97, 021302 (2018) J.Dudek, D.Curien, I.Dedes, K.Mazurek, S.Tagami, Y.R.Shimizu, T.Bhattacharjee Spectroscopic criteria for identification of nuclear tetrahedral and octahedral symmetries: Illustration on a rare earth nucleus NUCLEAR STRUCTURE 152Sm; calculated realistic mean-field total nuclear energy; analyzed energy levels. Comparison with group theory predictions, nuclear point-group symmetries, nuclear tetrahedral and octahedral symmetries. Spectral analysis based on irreducible representations; deduced criteria for identification of tetrahedral and octahedral symmetries. Realistic nuclear mean-field theory calculations with the phenomenological macroscopic-microscopic method, the Gogny-Hartree-Fock-Bogoliubov approach.
doi: 10.1103/PhysRevC.97.021302
2018SH03 Phys.Rev. C 97, 024318 (2018) M.Shimada, Y.Fujioka, S.Tagami, Y.R.Shimizu Rotational motion of triaxially deformed nuclei studied by the microscopic angular-momentum-projection method. I. Nuclear wobbling motion NUCLEAR STRUCTURE 162Yb; calculated levels, J, π, moment of inertia plots for the yrast and the first excited bands. 163Lu; calculated wobbling spectra, levels, J, π, triaxial superdeformed (TSD) bands, multiple wobbling rotational bands, B(E2), B(M1) and B(E2) ratios for transitions in TSD bands for different triaxial deformations, expectation values of the angular-momentum vectors, neutron and proton average pairing gaps, nuclear radius and various deformation parameters as functions of rotational frequency. Microscopic framework of angular-momentum projection from cranked triaxially deformed mean-field states, mainly using Woods-Saxon potential and the schematic separable interaction, and some results with the Gogny D1S interaction for description of wobbling motion. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.024318
2018SH04 Phys.Rev. C 97, 024319 (2018) M.Shimada, Y.Fujioka, S.Tagami, Y.R.Shimizu Rotational motion of triaxially deformed nuclei studied by the microscopic angular-momentum-projection method. II. Chiral doublet band NUCLEAR STRUCTURE 128Cs, 104Rh; calculated levels, J, π, B(E2), chiral doublet bands, B(M1), B(M1)/B(E2) and B(M1) ratios for transitions in yrast and yrare bands, expectation values of the angular-momentum vectors; discussed chiral rotation in triaxially deformed nuclei. Microscopic framework of angular-momentum projection from cranked triaxially deformed mean-field states, using Woods-Saxon potential and the schematic separable interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.024319
2018TA22 Phys.Rev. C 98, 024304 (2018) S.Tagami, Y.R.Shimizu, J.Dudek First-order Coriolis-coupling for the rotational spectrum of a tetrahedrally deformed core plus one-particle system NUCLEAR STRUCTURE 81Zr; calculated levels, J, π for K=1/2 rotational structure properties of the tetrahedrally symmetric even-even core configurations coupled with a single valence nucleon. Angular-momentum and parity projection method, and the Coriolis-coupling model.
doi: 10.1103/PhysRevC.98.024304
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
2016SH11 Phys.Rev. C 93, 044317 (2016) M.Shimada, S.Tagami, Y.R.Shimizu Realistic description of rotational bands in rare earth nuclei by the angular-momentum-projected multicranked configuration-mixing method NUCLEAR STRUCTURE 156,158,160Gd, 158,162,164Dy, 160,162,164Er, 164,168,170Yb; calculated nuclear radii, deformation parameters β2 and β4, average pairing gaps for neutrons and protons for ground states in rare earth nuclei, levels, J, π, moment of inertia for ground-state rotational bands, detailed study of characteristics of the s-band in 164Er. Angular-momentum-projected multicranked configuration-mixing method with Gogny D1S force as effective interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.044317
2016SH21 Phys.Rev. C 93, 064314 (2016) M.Shimada, S.Watanabe, S.Tagami, T.Matsumoto, Y.R.Shimizu, M.Yahiro Simultaneous analysis of matter radii, transition probabilities, and excitation energies of Mg isotopes by angular-momentum-projected configuration-mixing calculations NUCLEAR STRUCTURE 24,26,28,30,32,34,36,38,40Mg; calculated potential-energy curves, level energies, rms matter radii, B(E2), β2, and probability distributions for the first 2+ and 4+ states. Beyond-mean-field (BMF) calculations with angular-momentum-projected configuration mixing with respect to the axially symmetric β2 deformation. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.064314
2016TA03 Phys.Rev. C 93, 024323 (2016) Infinitesimal cranking for triaxial angular-momentum-projected configuration-mixing calculations and its application to the γ vibrational band NUCLEAR STRUCTURE 164Er; calculated levels, J, π, γ-vibrational bands, B(E2), B(E2) ratios using triaxial angular-momentum-projection method with Gogny D1S force as effective interaction. Discussed wobbling motion.
doi: 10.1103/PhysRevC.93.024323
2015SH23 Prog.Theor.Exp.Phys. 2015, 063D02 (2015) M.Shimada, S.Tagami, Y.R.Shimizu Angular momentum projected multi-cranked configuration mixing for reliable calculation of high-spin rotational bands NUCLEAR STRUCTURE 164Er, 40Mg, 152Dy; calculated excitation energy spectra of the ground-state rotational band, probability distribution over the five HFB configurations, angular momentum and rotational frequency, moments of inertia, B(E2). Comparison with available data.
doi: 10.1093/ptep/ptv073
2015TA01 J.Phys.(London) G42, 15106 (2015) S.Tagami, Y.R.Shimizu, J.Dudek Tetrahedral symmetry in Zr nuclei: calculations of low-energy excitations with Gogny interaction NUCLEAR STRUCTURE 80,96,110Zr; calculated the low energy excitation patterns, J, π, correlation energy. Realistic Gogny effective interactions.
doi: 10.1088/0954-3899/42/1/015106
2014DU16 Phys.Scr. 89, 054007 (2014) J.Dudek, D.Curien, D.Rouvel, K.Mazurek, Y.R.Shimizu, S.Tagami The suggested presence of tetrahedral symmetry in the ground-state configuration of the 9640Zr56 nucleus NUCLEAR STRUCTURE 76Ge, 74Se, 76Kr; calculated energy surface with deformations. 90Zr; calculated proton single-particle levels vs axial-symmetry octupole deformation and vs tetrahedral deformation. 96Zr; calculated low-lying levels, J, π, B(E1), B(E2), B(E3); deduced possible gs tetrahedral deformation. Mean field methods with point-group symmetries.
doi: 10.1088/0031-8949/89/5/054007
2014TA32 Phys.Rev. C 90, 061305 (2014) M.Takechi, S.Suzuki, D.Nishimura, M.Fukuda, T.Ohtsubo, M.Nagashima, T.Suzuki, T.Yamaguchi, A.Ozawa, T.Moriguchi, H.Ohishi, T.Sumikama, H.Geissel, N.Aoi, R.-J.Chen, D.-Q.Fang, N.Fukuda, S.Fukuoka, H.Furuki, N.Inabe, Y.Ishibashi, T.Itoh, T.Izumikawa, D.Kameda, T.Kubo, M.Lantz, C.S.Lee, Y.-G.Ma, K.Matsuta, M.Mihara, S.Momota, D.Nagae, R.Nishikiori, T.Niwa, T.Ohnishi, K.Okumura, M.Ohtake, T.Ogura, H.Sakurai, K.Sato, Y.Shimbara, H.Suzuki, H.Takeda, S.Takeuchi, K.Tanaka, M.Tanaka, H.Uenishi, M.Winkler, Y.Yanagisawa, S.Watanabe, K.Minomo, S.Tagami, M.Shimada, M.Kimura, T.Matsumoto, Y.R.Shimizu, M.Yahiro Evidence of halo structure in 37Mg observed via reaction cross sections and intruder orbitals beyond the island of inversion NUCLEAR REACTIONS 12C(24Mg, X), (25Mg, X), (26Mg, X), (27Mg, X), (28Mg, X), (29Mg, X), (30Mg, X), (31Mg, X), (32Mg, X), (33Mg, X), (34Mg, X), (35Mg, X), (36Mg, X), (37Mg, X), (38Mg, X), E=240 MeV/nucleon, [secondary Mg beams from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction]; measured spectra and TOF of outgoing particles, precise reaction σ using BigRIPS spectrometer at RIBF-RIKEN facility. Comparison with theoretical deformation parameter β2 versus mass plot using double-folding model (DFM) calculation combined with antisymmetrized molecular dynamics (AMD) calculation. 37Mg; deduced deformed halo effect from observed enhanced cross section, comparison with DFM calculation based on the deformed Woods-Saxon (DWS) model; collapse of N=28 magic shell for neutrons.
doi: 10.1103/PhysRevC.90.061305
2014TA36 Phys.Scr. 89, 054013 (2014) S.Tagami, M.Shimada, Y.Fujioka, Y.R.Shimizu, J.Dudek Nuclear tetrahedral states and high-spin states studied using the quantum number projection method NUCLEAR STRUCTURE 80,81,82Zr, 104Rh; calculated low-lying levels, J, π; deduced rotational spectra for tetrahedral deformation. 163Lu; calculated low and high spin levels, J, π, B(E2), triaxial superdeformed states. 40Mg; calculated moment of inertia. HFB mean field with allowance for triaxial superdeformed nuclei and tetrahedral deformation; preliminary. Compared with available data.
doi: 10.1088/0031-8949/89/5/054013
2014WA14 Phys.Rev. C 89, 044610 (2014) S.Watanabe, K.Minomo, M.Shimada, S.Tagami, M.Kimura, M.Takechi, M.Fukuda, D.Nishimura, T.Suzuki, T.Matsumoto, Y.R.Shimizu, M.Yahiro Ground-state properties of neutron-rich Mg isotopes NUCLEAR REACTIONS 12C(24Mg, X), (25Mg, X), (26Mg, X), (27Mg, X), (28Mg, X), (29Mg, X), (30Mg, X), (31Mg, X), (32Mg, X), (33Mg, X), (34Mg, X), (35Mg, X), (36Mg, X), (37Mg, X), (38Mg, X), E=240 MeV/nucleon; calculated reaction σ; deduced rms matter radii from reaction cross sections. Antisymmetrized molecular dynamics (AMD) with folding model and deformed Woods-Saxon model. Comparison with experimental data, and with other theoretical calculations. NUCLEAR STRUCTURE 24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40Mg; calculated ground state binding J, π, S(n), S(2n) for 40Mg, β and γ deformation parameters, proton, neutron and matter radii, neutron skin thickness. 37Mg; calculated levels, J, π, neutron single-particle energies. Antisymmetrized molecular dynamics (AMD) with folding model and deformed Woods-Saxon model. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.044610
2013CH02 J.Phys.(London) G40, 015101 (2013) F.-Q.Chen, Y.Sun, P.M.Walker, G.D.Dracoulis, Y.R.Shimizu, J.A.Sheikh Mixing effects on K-forbidden transition rates from the 6+ isomers in the N = 104 isotones RADIOACTIVITY 172Er, 174Yb, 176Hf, 178W(IT); calculated B(E2) values for transitions from 6+ isomers, deformation parameters, transition rates, level energies, J, π, matrix elements. PSM calculations, comparison with experimental data.
doi: 10.1088/0954-3899/40/1/015101
2013DU01 Acta Phys.Pol. B44, 305 (2013) J.Dudek, D.Curien, A.Gozdz, Y.R.Shimizu, S.Tagami Exotic Geometrical Symmetries in Nuclei: From Group Theory to Experiments COMPILATION 156Gd; compiled experimental B(E2)/B(E1) ratios.
doi: 10.5506/APhysPolB.44.305
2013SA41 Phys.Rev. C 88, 037602 (2013) S.Sasabe, T.Matsumoto, S.Tagami, N.Furutachi, K.Minomo, Y.R.Shimizu, M.Yahiro Reaction mechanism in odd-even staggering of reaction cross sections NUCLEAR REACTIONS 12C(14C, X), (15C, X), (16C, X), E=83 MeV/nucleon; calculated matter radii, reaction σ, absorption probability, odd-even staggering parameter for reaction σ. Microscopic continuum discretized coupled-channels (CDCC) method, including projectile-breakup and nuclear-medium effects. Black-sphere scattering (BSS), and pairing anti-halo effects. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.037602
2013TA15 Phys.Rev. C 87, 054306 (2013) S.Tagami, Y.R.Shimizu, J.Dudek Microscopic study of tetrahedrally symmetric nuclei by an angular-momentum and parity projection method NUCLEAR STRUCTURE 110Zr, 160Yb, 226Th; calculated levels, J, π, rotational energy spectra, tetrahedral and quadrupole deformed states, moments of inertia, neutron and proton pairing gaps. Microscopic Woods-Saxon mean-field and residual-interaction Hamiltonians with angular-momentum and parity projection method for deformed nuclei with tetrahedral doubly closed shell configurations. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.054306
2012MI01 Phys.Rev.Lett. 108, 052503 (2012) K.Minomo, T.Sumi, M.Kimura, K.Ogata, Y.R.Shimizu, M.Yahiro Determination of the Structure of 31Ne by a Fully Microscopic Framework NUCLEAR REACTIONS 12C(28Ne, 28Ne'), (29Ne, 29Ne'), (30Ne, 30Ne'), (31Ne, 31Ne'), (32Ne, 32Ne'), E=240 MeV/nucleon; analyzed reaction σ. 28,29,30,31,32Ne; calculated deformed projectile density. Comparison with experimental data. NUCLEAR STRUCTURE 28,29,30,31,32Ne; calculated J, π, deformation, neutron separation energy, ground state properties and halo structures. Comparison with experimental data.
doi: 10.1103/PhysRevLett.108.052503
2012MI22 Prog.Theor.Phys.(Kyoto), Suppl. 196, 358 (2012) K.Minomo, S.Watanabe, T.Sumi, M.Kimura, K.Ogata, Y.R.Shimizu, M.Yahiro Deformation Effect on Total Reaction Cross Sections for Neutron-Rich Ne-Isotopes NUCLEAR REACTIONS 12C(28Ne, 28Ne'), (29Ne, 29Ne'), (30Ne, 30Ne'), (31Ne, 31Ne'), (32Ne, 32Ne'), E=240 MeV/nucleon; analyzed available data. 28,29,30,31,32Ne; deduced σ using antisymmetrized molecular dynamics. Comparison with available data.
doi: 10.1143/PTPS.196.358
2012SU09 Phys.Rev. C 85, 064613 (2012) T.Sumi, K.Minomo, S.Tagami, M.Kimura, T.Matsumoto, K.Ogata, Y.R.Shimizu, M.Yahiro Deformation of Ne isotopes in the region of the island of inversion NUCLEAR REACTIONS 12C(28Ne, 28Ne), (29Ne, 29Ne), (30Ne, 30Ne), (31Ne, 31Ne), (32Ne, 32Ne), E=240 MeV/nucleon; calculated σ. 12C(12C, 12C), E=74.25, 135 MeV/nucleon; calculated σ(E, θ). Double folding model with Melbourne g-matrix interaction and the nuclear densities calculated by antisymmetrized molecular dynamics (AMD). Effects of pairing correlation. Comparison with experimental data. NUCLEAR STRUCTURE 20,21,22,23,24,25,26,27,28,29,30,31,32Ne; calculated ground state J, π, deformation parameters β2, β4 and γ, S(n), total binding energy, matter rms radii, neutron and proton rms radii and density profiles, pairing effects on total binding energy. AMD, spherical Gogny-HF and -HFB calculations. 31Ne; halo nucleus.
doi: 10.1103/PhysRevC.85.064613
2012TA16 Prog.Theor.Phys.(Kyoto), Suppl. 196, 334 (2012) S.Tagami, Y.R.Shimizu, J.Dudek Efficient Method for Quantum Number Projection and Its Application to Tetrahedral Nuclear States NUCLEAR STRUCTURE 108,110Zr; calculated energy spectra of tetrahedral deformation, moment of inertia, energy levels, J, π. HFB type mean field calculations.
doi: 10.1143/PTPS.196.334
2012TA21 Phys.Rev. C 86, 064323 (2012) S.Takahara, N.Tajima, Y.R.Shimizu Nuclear prolate-shape dominance with the Woods-Saxon potential NUCLEAR STRUCTURE Z=8-126, N=8-184; calculated quadrupole deformation contour maps for 2148 even-even nuclei between the drip lines using six different parameter sets of the Woods-Saxon (WS) potential. Influence of surface thickness, strength of spin-orbit potential, and strength of pairing correlations. Comparison with results of Nilsson potential. Prolate-shape predominance of nuclear ground-state deformation. ATOMIC MASSES Z=8-126, N=8-184; calculated masses, nuclear total energy surface versus β2 and β4 deformation parameters for 2148 even-even nuclei using modified Strutinsky method with each of the 589 types of WS potentials.
doi: 10.1103/PhysRevC.86.064323
2011MI13 Phys.Rev. C 84, 034602 (2011) K.Minomo, T.Sumi, M.Kimura, K.Ogata, Y.R.Shimizu, M.Yahiro Deformation effect on total reaction cross sections for neutron-rich Ne isotopes NUCLEAR REACTIONS 12C(28Ne, X), (29Ne, X), (30Ne, X), (31Ne, X), (32Ne, X), E=240 MeV/nucleon; analyzed cross sections, and matter rms radii. Double-folding model with the Melbourne g matrix, density of the projectile from the mean-field model with the deformed Woods-Saxon potential, deformation evaluated by antisymmetrized molecular dynamics. Effect of deformation on cross section.
doi: 10.1103/PhysRevC.84.034602
2011OG12 J.Phys.:Conf.Ser. 312, 082008 (2011) K.Ogata, T.Matsumoto, S.Hashimoto, K.Minomo, T.Egami, Y.Iseri, M.Kohno, S.Chiba, C.A.Bertulani, Y.R.Shimizu, M.Kamimura, M.Yahiro Status of breakup reaction theory NUCLEAR REACTIONS 7Li(d, γ), (d, n), (d, p), E=10-50 MeV; calculated σ. 90Zr(p, p), E=65, 800 MeV; calculated dσ with and without Brieva-Rook localization. 208Pb(8B, X), E=250 MeV/nucleon; calculated breakup σ including relativistic corrections. 209Bi(6He, 6He), E=22.5 MeV; calculated σ with and without breakup effects, B(E1) strength distribution. Three- and four-body CDCC.
doi: 10.1088/1742-6596/312/4/082008
2010ON02 Phys.Rev. C 82, 034310 (2010) T.Ono, Y.R.Shimizu, N.Tajima, S.Takahara Method to circumvent the neutron-gas problem in the BCS treatment for nuclei far from stability NUCLEAR STRUCTURE 88Ni, 120,160Sn, 126Zr, 160,208Dy, 256Hg; calculated neutron rms radii and neutron deformation parameters. 78,80,82,84,86,88,90,92,94Ni; calculated neutron radii. 108,110,112,114,116,118,120,122,124,126,128Sn; calculated neutron skin thickness and comparison with experimental data. 40Mg; calculated neutron's contribution to moment of inertia as a function of neutron pairing gap. New Kruppa-BCS method for the continuum level density.
doi: 10.1103/PhysRevC.82.034310
2010TA19 Phys.Rev. C 82, 034316 (2010) N.Tajima, Y.R.Shimizu, S.Takahara Improved microscopic-macroscopic approach incorporating the effects of continuum states NUCLEAR STRUCTURE 48Ca, 90Zr, 146Gd, 166,226Er, 208,242Pb, 298Fl; calculated Neutron shell correction energies and the sum of single-particle energies. 154Er, 208Pb; calculated neutrons level densities and Kruppa level densities. Z=68, N=56-166; calculated neutrons pairing force strength, pairing gaps and proton and neutron Fermi levels for even-even nuclei. Z=8-120, N=10-180; calculated two-nucleon drip lines. Oscillator-basis Thomas-Fermi (OBTF) approximation and Kruppa level density method with modified BCS equations.
doi: 10.1103/PhysRevC.82.034316
2009LE16 Acta Phys.Pol. B40, 555 (2009) S.Leoni, G.Benzoni, N.Blasi, A.Bracco, S.Brambilla, F.Camera, A.Corsi, F.C.L.Crespi, P.Mason, B.Million, D.Montanari, M.Pignanelli, E.Vigezzi, O.Wieland, M.Matsuo, Y.R.Shimizu, P.Bednarczyk, M.Castoldi, D.Curien, G.G.Duchene, B.Herskind, M.Kmiecik, A.Maj, W.Meczynski, J.Robin, J.Styczen, M.Zieblinski, K.Zuber, A.Zucchiatti Warm Nuclei: Nuclear Structure Effects on the Order-to-Chaos Transition Region
2009LE18 Phys.Rev. C 79, 064306 (2009) S.Leoni, G.Benzoni, N.Blasi, A.Bracco, F.Camera, A.Corsi, F.C.L.Crespi, P.Mason, B.Million, D.Montanari, M.Pignanelli, E.Vigezzi, O.Wieland, M.Matsuo, Y.R.Shimizu, D.Curien, G.Duchene, J.Robin, P.Bednarczyk, M.Castoldi, B.Herskind, M.Kmiecik, A.Maj, W.Meczynski, J.Styczen, M.Zieblinski, K.Zuber, A.Zucchiatti Rotation and shape changes in 151Tb and 196Pb: Probes of nuclear structure and tunneling process in warm nuclei. I. Experimental analysis NUCLEAR REACTIONS 130Te(27Al, 6n)151Tb, E=155 MeV; 170Er(30Si, 4n)196Pb, E=148 MeV; measured Eγ, Iγ, γγ-coin, γ multiplicity, quasicontinuum γ-ray spectra; deduced Monte Carlo simulation of γ decay based on microscopically calculated levels, E2 decay probabilities, potential barriers between normal and superdeformed wells and collective mass parameters. 151Tb, 196Pb; deduced normal and superdeformed bands, and E1 strength functions. Comparison with cranked shell-model calculations.
doi: 10.1103/PhysRevC.79.064306
2009LE19 Phys.Rev. C 79, 064307 (2009) S.Leoni, G.Benzoni, N.Blasi, A.Bracco, F.Camera, A.Corsi, F.C.L.Crespi, P.Mason, B.Million, D.Montanari, M.Pignanelli, E.Vigezzi, O.Wieland, M.Matsuo, Y.R.Shimizu, D.Curien, G.Duchene, J.Robin, P.Bednarczyk, M.Castoldi, B.Herskind, M.Kmiecik, A.Maj, W.Meczynski, J.Styczen, M.Zieblinski, K.Zuber, A.Zucchiatti Rotation and shape changes in 151Tb and 196Pb: Probes of nuclear structure and tunneling process in warm nuclei. II. Microscopic Monte Carlo simulation NUCLEAR STRUCTURE 151Tb, 196Pb; analyzed tunneling action S(E, spin), yrast normal-deformed and superdeformed states, γ decay intensity profiles as a function of spin, B(E1) and B(E2) strengths, dependence of intensity at the decay out of yrast SD bands, σ as a function of spin, spin entry distributions, level densities, population intensities and Eγ as a function of spin, excitation energies, E2 branching number as a function of excitation energy, number of discrete excited superdeformed bands, number of admixed states, B(E2) strength functions, strength functions for two consecutive E2 γ rays, and intensities of wide, narrow and discrete components of strength function as a function of spin. Monte Carlo simulation of γ decay of superdeformed nuclei with microscopically calculated levels using cranked shell-model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.064307
2009SH04 Prog.Theor.Phys.(Kyoto) 121, 319 (2009) Microscopic Calculation of the Wobbling Excitations Employing the Woods-Saxon Potential as a Nuclear Mean-Field
doi: 10.1143/PTP.121.319
2009YA20 Phys.Rev. C 80, 064301 (2009) M.Yamagami, Y.R.Shimizu, T.Nakatsukasa Optimal pair density functional for the description of nuclei with large neutron excess NUCLEAR STRUCTURE A=118-196; calculated proton and neutron pairing gaps and rms deviations using Hartree-Fock-Bogoliubov (HFB) method for 156 nuclei in the A=118-196 range and with (N-Z)/A<0.25. Optimization of parameters in the pair density-functional (DF) for large neutron excess nuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.064301
2008LE21 Phys.Rev.Lett. 101, 142502 (2008) S.Leoni, G.Benzoni, N.Blasi, A.Bracco, S.Brambilla, F.Camera, A.Corsi, F.C.L.Crespi, P.Mason, B.Million, D.Montanari, M.Pignanelli, E.Vigezzi, O.Wieland, M.Matsuo, Y.R.Shimizu, D.Curien, G.Duchene, J.Robin, P.Bednarczyk, M.Castoldi, B.Herskind, M.Kmiecik, A.Maj, W.Meczynski, J.Styczen, M.Zieblinski, K.Zuber, A.Zucchiatti Probing the Order-to-Chaos Region in Superdeformed 151Tb and 196Pb Nuclei with Continuum γ Transitions NUCLEAR REACTIONS 130Te(27Al, 6n), E=155 MeV; 170Er(30Si, 4n), E=148 MeV; measured Eγ, Iγ, γγ coin. Compared results to model calculations. Continuum γ transitions for Superdeformed nuclei.
doi: 10.1103/PhysRevLett.101.142502
2008SH08 Phys.Rev. C 77, 024319 (2008) Y.R.Shimizu, T.Shoji, M.Matsuzaki Parametrizations of triaxial deformation and E2 transitions of the wobbling band NUCLEAR STRUCTURE 163Lu; calculated triaxial deformation parameters, potential energy curves, B(E2).
doi: 10.1103/PhysRevC.77.024319
2008YA14 Phys.Rev. C 77, 064319 (2008) Pairing effects for rotational excitations unique to neutron-rich nuclei NUCLEAR STRUCTURE 30,32,34,36,38,40Mg; calculated neutron and proton pairing gaps, neutron moments of inertia, excitation energies of 2+ states. 60,62,64,66,68,70,72,74,76,78Cr; calculated neutron and proton pairing gaps, excitation energies of 2+ states. 40Mg; calculated neutron correlation densities. Hartree-Fock-Bogoliubov model.
doi: 10.1103/PhysRevC.77.064319
2006CH09 Phys.Rev. C 73, 021301 (2006) C.J.Chiara, D.G.Sarantites, M.Montero, J.O'Brien, W.Reviol, O.L.Pechenaya, R.M.Clark, P.Fallon, A.Gorgen, A.O.Macchiavelli, D.Ward, Y.R.Shimizu, W.Satula Decay-out properties of a linked superdeformed band in 84Zr NUCLEAR REACTIONS 58Ni(32S, 2pα), E=140 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 84Zr deduced high-spin levels, J, π, superdeformed bands, linking transitions. Gammasphere, Microball arrays. Potential energy surface calculations.
doi: 10.1103/PhysRevC.73.021301
2006CH57 Phys.Scr. T125, 119 (2006) C.J.Chiara, D.G.Sarantites, M.Montero, J.O'Brien, W.Reviol, O.L.Pechenaya, R.M.Clark, P.Fallon, A.Gorgen, A.O.Macchiavelli, D.Ward, W.Satula, Y.R.Shimizu Linking transitions in the A ≈ 80 region of superdeformation NUCLEAR REACTIONS 58Ni(32S, 2pα), E=140 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 84Zr deduced superdeformed band transitions, linking transitions to normal-deformed states. Gammasphere, Microball arrays.
doi: 10.1088/0031-8949/2006/T125/027
2006SH25 Int.J.Mod.Phys. E15, 1407 (2006) Microscopic description of nuclear wobbling motion rotation of triaxially deformed nuclei NUCLEAR STRUCTURE 163Lu; calculated potential energy surfaces, rotational band energies, B(E2); deduced wobbling-like mode.
doi: 10.1142/S021830130600496X
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
2006TA13 Phys.Rev. C 73, 044306 (2006) S.K.Tandel, P.Chowdhury, E.H.Seabury, I.Ahmad, M.P.Carpenter, S.M.Fischer, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, Y.R.Shimizu High-K isomers and rotational structures in 174W NUCLEAR REACTIONS 128Te(50Ti, 4n), E=215, 225 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 174W deduced high-spin levels, J, π, configurations, high-K isomeric states T1/2. Gammasphere array, comparison with cranked mean-field model predictions.
doi: 10.1103/PhysRevC.73.044306
2005MA53 Prog.Theor.Phys.(Kyoto) 114, 281 (2005) Magnetic Properties of Precession Modes Built on High-K Multi-Quasiparticle States in 178W NUCLEAR STRUCTURE 178W; calculated level energies, g factors for high-K multi-quasiparticle states. RPA approach.
doi: 10.1143/PTP.114.281
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
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
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
2004SH08 Phys.Rev. C 69, 024305 (2004) T.Shizuma, S.Mitarai, G.Sletten, R.A.Bark, N.L.Gjorup, H.J.Jensen, M.Piiparinen, J.Wrzesinski, Y.R.Shimizu High-spin structure in 185Os NUCLEAR REACTIONS 176Yb(13C, 4n), E=65 MeV; measured Eγ, Iγ, γγ-coin. 185Os deduced high-spin levels, J, π, configurations, isomer T1/2, g(K)-g(R). Nordball array, potential energy surface calculations.
doi: 10.1103/PhysRevC.69.024305
2003OH01 Nucl.Phys. A714, 44 (2003) Calculation of strongly-coupled rotational bands in terms of the tilted axis cranking model NUCLEAR STRUCTURE 153Sm, 155,157Gd, 157,159Dy; calculated rotational bands energies, B(M1)/B(E2). Tilted axis cranking model, comparison with data and other models.
doi: 10.1016/S0375-9474(02)01356-8
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
2002SH41 J.Nucl.Sci.Technol.(Tokyo) 39, 1137 (2002) T.Shizuma, Y.R.Shimizu, T.Hayakawa Tunneling in High-K Isomeric Decays NUCLEAR STRUCTURE 170Dy; calculated potential energy surface. 172,174Hf, 176,177,178,179,182W, 182,183,184,186Os; calculated hindrance factors for high-K isomeric decay. Dy, Er, Yb, Hf, W, Os; calculated tunneling probabilities. Tunneling model, comparisons with data.
doi: 10.1080/18811248.2002.9715304
2002TA30 Prog.Theor.Phys.(Kyoto), Suppl. 146, 628 (2002) N.Tajima, Y.R.Shimizu, N.Suzuki Origin of Prolate Dominance of Nuclear Deformation
doi: 10.1143/PTPS.146.628
2001SH11 Nucl.Phys. A682, 464c (2001) Y.R.Shimizu, M.Matsuo, K.Yoshida Theoretical Study of the Decay-Out Spin of Superdeformed Bands in the Dy and Hg Regions NUCLEAR STRUCTURE 143,144Eu, 144,146,147,148,149,150Gd, 150,151Tb, 151,152Dy, 191Au, 190,191,192,193,194Hg, 193Tl, 193,194,195,196Pb, 197Bi; calculated superdeformed band transition intensities; deduced decay-out spin. Compound mixing model, comparison with data.
doi: 10.1016/S0375-9474(00)00674-6
2001SH32 Prog.Theor.Phys.(Kyoto), Suppl. 141, 285 (2001) Diabatic Mean-Field Description of Rotational Bands in Terms of the Selfconsistent Collective Coordinate Method
doi: 10.1143/PTPS.141.285
2001SH41 Nucl.Phys. A696, 337 (2001) T.Shizuma, K.Matsuura, Y.Toh, Y.Hayakawa, M.Oshima, Y.Hatsukawa, M.Matsuda, K.Furuno, Y.Sasaki, T.Komatsubara, Y.R.Shimizu Multi-Quasiparticle States and K-Forbidden Transitions in 183Os NUCLEAR REACTIONS 170Er(18O, 5n), E=85 MeV; measured Eγ, Iγ, γγ-coin. 183Os deduced high-spin levels, J, π, configurations, T1/2, | gK - gR | /Q0.
doi: 10.1016/S0375-9474(01)01210-6
2001YO11 Nucl.Phys. A696, 85 (2001) K.Yoshida, M.Matsuo, Y.R.Shimizu Barrier Penetration and Rotational Damping of Thermally Excited Superdeformed Nuclei NUCLEAR STRUCTURE 143Eu, 152Dy, 192Hg; calculated potential energy surfaces, superdeformed bands level energy vs spin, decay-out transition features. Cranked Nilsson-Strutinsky approach, rotational damping from two-body residual interaction.
doi: 10.1016/S0375-9474(01)01123-X
2000DO07 Phys.Rev.Lett. 84, 4317 (2000) P.Donati, T.Dossing, Y.R.Shimizu, S.Mizutori, P.F.Bortignon, R.A.Broglia Effective Nucleon Mass in Deformed Nuclei NUCLEAR STRUCTURE 168Yb; calculated nucleon effective mass vs rotational frequency. 169Yb; calculated quadrupole RPA response functions.
doi: 10.1103/PhysRevLett.84.4317
2000SH36 Phys.Rev.Lett. 85, 2260 (2000) Y.R.Shimizu, P.Donati, R.A.Broglia Response Function Technique for Calculating the Random-Phase Approximation Correlation Energy NUCLEAR STRUCTURE 164Er; calculated rotational bands pairing gap, RPA correlation energy. Response function technique.
doi: 10.1103/PhysRevLett.85.2260
1999DO08 Nucl.Phys. A649, 25c (1999) P.Donati, T.Dossing, Y.R.Shimizu, P.F.Bortignon, R.A.Broglia Self-Energy of Single-Particle States in Deformed, Rapidly Rotating Nuclei
doi: 10.1016/S0375-9474(99)00034-2
1999DO12 Nucl.Phys. A653, 27 (1999) P.Donati, T.Dossing, Y.R.Shimizu, P.F.Bortignon, R.A.Broglia A Complex Integration Technique to Remove Spurious States Associated with Spontaneously Broken Symmetries in RPA Calculations NUCLEAR STRUCTURE 168Yb; calculated RPA response functions. Method for removal of spurious states.
doi: 10.1016/S0375-9474(99)00155-4
1999DO15 Nucl.Phys. A653, 225 (1999) P.Donati, T.Dossing, Y.R.Shimizu, P.F.Bortignon, R.A.Broglia Nucleon-Phonon Coupling in Hot, Rapidly Rotating Nuclei (I)
doi: 10.1016/S0375-9474(99)00242-0
1999HA48 Nucl.Phys. A657, 3 (1999) T.Hayakawa, M.Oshima, Y.Hatsukawa, J.Katakura, H.Iimura, M.Matsuda, S.Mitarai, Y.R.Shimizu, S.-I.Ohtsubo, T.Shizuma, M.Sugawara, H.Kusakari Rotational Bands of 155Gd NUCLEAR REACTIONS 150Nd(12C, 3nα), (12C, 2nα), E=65 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 155Gd deduced high-spin levels, J, π, B(M1)/B(E2). 156Gd deduced high-spin levels, J, π. Tilted axis cranking analysis.
doi: 10.1016/S0375-9474(99)00322-X
1999NA16 J.Phys.(London) G25, 795 (1999) Microscopic Calculation of Transition Intensities for Vibrational Bands and High-K Isomers NUCLEAR STRUCTURE 166Er, 232Th; calculated vibrational bands transitions B(E1), B(E2). 170,172,174,176,178,180Hf; calculated high-K isomers hindrance factors; deduced effects of residual correlations. Cranking formalism, microscopic approach.
doi: 10.1088/0954-3899/25/4/039
1997GE07 Nucl.Phys. A624, 257 (1997) G.Gervais, D.C.Radford, Y.R.Shimizu, M.Cromaz, J.DeGraaf, T.E.Drake, S.Flibotte, A.Galindo-Uribarri, D.S.Haslip, V.P.Janzen, M.Matsuzaki, S.M.Mullins, J.M.Nieminen, C.E.Svensson, J.C.Waddington, D.Ward, J.N.Wilson Collective γ-Vibrational Bands in 165Ho and 167Er NUCLEAR REACTIONS 165Ho, 167Er(209Bi, 209Bi'), E=5.4 MeV/nucleon; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 165Ho, 167Er deduced high-spin levels, J, π, K, γ-vibrational bands, signature splitting energies, intrinsic moment ratios, identical bands. Compton-suppressed hyperpure Ge detector array, 4π BGO ball. Cranked shell model plus RPA plus particle-vibration coupling calculations.
doi: 10.1016/S0375-9474(97)00320-5
1997OH08 Prog.Theor.Phys.(Kyoto) 98, 1099 (1997) Tilted Axis Cranking Applied to a System of One-Quasiparticle Coupled to a Triaxial Rotor
doi: 10.1143/PTP.98.1099
1997SH36 Nucl.Phys. A626, 760 (1997) T.Shizuma, G.Sletten, R.A.Bark, I.G.Bearden, S.Leoni, M.Mattiuzzi, S.Mitarai, S.W.Odegard, S.Skoda, K.Strahle, J.Wrzesinski, Y.R.Shimizu Multi-Quasiparticle States and K-Forbiddenness in 177W NUCLEAR REACTIONS 164Dy(18O, 5n), E=83 MeV; measured Eγ, Iγ, γγ-coin, DCO. 177W deduced high-spin levels J, π, δ, configurations, g-factors, isomer T1/2.
doi: 10.1016/S0375-9474(97)00585-X
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
1996NA12 Nucl.Phys. A601, 69 (1996) K.Narimatsu, Y.R.Shimizu, T.Shizuma γ-Tunneling Calculations for the Decays of the K Isomers in the Hf, W, Os Region NUCLEAR STRUCTURE 171,172,174,175,176,177,178Hf, 176,178,179,181,182W, 181,182,184Os; calculated high-K isomer M1, E2-decay T1/2. Simple tunneling model, γ-degree of freedom.
doi: 10.1016/0375-9474(96)00021-8
1996SH23 Nucl.Phys. A611, 22 (1996) A New Microscopic Approach to the Rotational Intensity Relations: Application of the high-spin cranking formalism NUCLEAR STRUCTURE 156,158,160Gd, 160,162,164Dy, 166,168,170Er; calculated B(λ), transition quadrupole moments GIR parameters. Microscopic approach to rotational intensity relations, high-spin cranking formalism.
doi: 10.1016/S0375-9474(96)00304-1
1996TA14 Prog.Theor.Phys.(Kyoto) 95, 1121 (1996) Two-Octupole-Phonon States in 146,148Gd NUCLEAR STRUCTURE 146,148Gd; calculated levels, B(λ); deduced Dyson boson mapping method applicability to two-octupole-phonon states.
doi: 10.1143/PTP.95.1121
1996WA11 Nucl.Phys. A600, 88 (1996) D.Ward, H.R.Andrews, G.C.Ball, A.Galindo-Uribarri, V.P.Janzen, T.Nakatsukasa, D.C.Radford, T.E.Drake, J.DeGraaf, S.Pilotte, Y.R.Shimizu Rotational Bands in 238U NUCLEAR REACTIONS 238U(209Bi, 209Bi'), E=1.13, 1.33 GeV; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 238U deduced levels, J, π, K, band structure. Compton suppressed hyperpure Ge detector array, 4π-BGO ball. Cranked RPA calculation.
doi: 10.1016/0375-9474(95)00490-4
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
1995SH17 Nucl.Phys. A588, 559 (1995) Nuclear Wobbling Motion and Electromagnetic Transitions NUCLEAR STRUCTURE 124Xe, 126Ba; calculated Routhians, effective moments of inertia, B(λ). Microscopic approach, nuclear wobbling motion.
doi: 10.1016/0375-9474(94)00823-6
1993BE51 Nucl.Phys. A565, 495 (1993) M.Bernath, R.A.Broglia, Y.R.Shimizu, J.H.Sorensen, E.Vigezzi Pairing Phase Transition and Two-Nucleon Transfer Reactions in Rotating Nuclei NUCLEAR STRUCTURE 162,164Er; calculated alignment plots, g-, s-band neutron pairing gaps. Two-band model. NUCLEAR REACTIONS 162Er(208Pb, 206Pb), E=1 GeV; calculated σ(θ). Two-band model.
doi: 10.1016/0375-9474(93)90223-K
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
1993SH18 Nucl.Phys. A557, 99c (1993) Y.R.Shimizu, E.Vigezzi, T.Dossing, R.A.Broglia Tunneling Probability for Decays Out of Superdeformed Bands NUCLEAR STRUCTURE 151,152Dy, 192Hg; 143Eu, 146,147,148,149,150Gd, 150,151Tb; analyzed data; deduced tunneling probability for decays out of superdeformed bands.
doi: 10.1016/0375-9474(93)90534-5
1992SH04 Phys.Lett. 274B, 253 (1992) Y.R.Shimizu, F.Barranco, R.A.Broglia, T.Dossing, E.Vigezzi Superfluid Tunneling in Superdeformed Nuclei NUCLEAR STRUCTURE 152Dy; calculated potential energy vs adiabatic path. 149,150Gd, 150,151Tb, 151,152Dy; calculated invariant adiabatic action vs angular momentum, superdeformed band decay related parameter. Superfluid tunneling model.
doi: 10.1016/0370-2693(92)91983-G
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
1991TA04 Nucl.Phys. A523, 354 (1991) Two-Octupole-Phonon States in 208Pb NUCLEAR STRUCTURE 208Pb; calculated levels, B(λ). Collective multi-phonon space, Dyson boson mapping.
doi: 10.1016/0375-9474(91)90008-T
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
1990SH05 Nucl.Phys. A509, 80 (1990) Y.R.Shimizu, E.Vigezzi, R.A.Broglia Effects of Pairing Correlations on Superdeformed Bands in the A ≈ 150 Region NUCLEAR STRUCTURE 150,149,148Gd, 150,151,152Tb, 151,152,153Dy; calculated deformation, superdeformation band structure, moments of interia. Pair correlations, different models.
doi: 10.1016/0375-9474(90)90376-W
1990SH07 Phys.Rev. C41, 1861 (1990) Y.R.Shimizu, E.Vigezzi, R.A.Broglia Inertias of Superdeformed Bands NUCLEAR STRUCTURE 149,150Gd, 152Dy; calculated superdeformed moment of inertia. Self-consistent treatment of nuclear deformation, pairing correlations.
doi: 10.1103/PhysRevC.41.1861
1990SH08 Phys.Rev. C41, 1865 (1990) Quantum Size Effects in Rapidly Rotating Nuclei NUCLEAR STRUCTURE 166Yb; calculated effective pairing gap. 150Gd; calculated superdeformed band moments of inertia. RPA, strongly rotating nuclei.
doi: 10.1103/PhysRevC.41.1865
1990SH21 Nucl.Phys. A515, 38 (1990) A Comparison of the RPA and Number Projection Approaches for Calculations of Pairing Fluctuations in Fast Rotating Nuclei NUCLEAR STRUCTURE 166Yb; calculated correlation energy vs rotational frequency, pairing force strength. 150Gd; calculated superdeformed band two moments of inertia. RPA, number projection methods.
doi: 10.1016/0375-9474(90)90321-C
1990SH32 Nucl.Phys. A520, 477c (1990) How Can We Tell the Transition from the Superconducting to the Normal Phase ( Question ) NUCLEAR STRUCTURE 166,165Yb; calculated neutron static, number projection correlation energies, pairing gaps.
doi: 10.1016/0375-9474(90)91169-R
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
1988SH02 Nucl.Phys. A476, 228 (1988) A Boson Expansion Approach for Including Fluctuations in the Calculation of the Pairing Phase Transition Taking Place in Strongly Rotating Nuclei NUCLEAR STRUCTURE 166Yb; calculated neutron static pairing gap, routhians, alignment.
doi: 10.1016/0375-9474(88)90482-4
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
1987SH25 Phys.Lett. 198B, 33 (1987) Y.R.Shimizu, E.Vigezzi, R.A.Broglia Role of Static and Dynamic Pairing Correlations in the Superdeformed Band of 152Dy NUCLEAR STRUCTURE 152Dy; calculated superdeformed configuration kinetic, dynamic moments of inertia, correlation energy; deduced pairing correlations role.
doi: 10.1016/0370-2693(87)90152-3
1986SH23 Prog.Theor.Phys.(Kyoto) 75, 1161 (1986) 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
1984SH11 Prog.Theor.Phys.(Kyoto) 71, 960 (1984) 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
1984SH29 Prog.Theor.Phys.(Kyoto) 72, 799 (1984) 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
1984SH35 Prog.Theor.Phys.(Kyoto) 72, 1017 (1984) 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
1983SH28 Prog.Theor.Phys.(Kyoto) 70, 144 (1983) 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
1983SH29 Prog.Theor.Phys.(Kyoto) 70, 319 (1983) 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
1982SH14 Prog.Theor.Phys.(Kyoto) 67, 1641 (1982) 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
1982SH15 Prog.Theor.Phys.(Kyoto) 67, 1637 (1982) 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
Back to query form |