NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = Z.Szymanski Found 49 matches. 1998SZ04 Phys.Lett. 433B, 229 (1998) Rotating Pseudo-Oscillator Scheme: Pseudo-spin symmetry and identical bands
doi: 10.1016/S0370-2693(98)00601-7
1996SZ03 Acta Phys.Pol. B27, 1001 (1996) Identical Rotational Bands in the A ∼ 130 Superdeformed Region Analysed in Terms of the Pseudospin Symmetry NUCLEAR STRUCTURE 133,132,131Ce, 133Pr; analyzed band structure in superdeformed region; deduced identical bands configurations. Pseudo-SU(3) symmetry approach.
1995BU02 Phys.Rev. C51, 547 (1995) O.Burglin, J.Dudek, B.Heydon, N.El-Aouad, N.Rowley, W.Satula, Z.Szymanski New Symmetry in Many-Body Effective Hamiltonians: An example of rotating nuclei
doi: 10.1103/PhysRevC.51.547
1995SZ02 Phys.Rev. C51, R1090 (1995) Nature of the Identical Bands in Atomic Nuclei NUCLEAR STRUCTURE A ≈ 150; analyzed band structure data; deduced structure effects causing identical bands.
doi: 10.1103/PhysRevC.51.R1090
1995SZ03 Acta Phys.Pol. B26, 175 (1995) On the Origin of Identical Bands in the Superdeformed States of Atomic Nuclei NUCLEAR STRUCTURE 152,153Dy, 146,147,148Gd, 194,193Tl, 192Hg; analyzed superdeformed band characteristics.
1994EL03 Phys.Rev. C49, R1246 (1994) N.El Aouad, O.Burglin, J.Dudek, B.Heydon, N.Rowley, Z.Szymanski Correlation between Quantized-Alignment and Identical-Band Mechanisms
doi: 10.1103/PhysRevC.49.R1246
1993SA50 Acta Phys.Pol. B24, 1989 (1993) On the Signature Symmetry in U(2n)-Model
1993SZ01 Acta Phys.Pol. B24, 23 (1993) Nuclear Structure Features in Highly Deformed and Fast Rotating Nuclei (Identical Bands) NUCLEAR STRUCTURE 171Lu, 168,169,167,170Yb, 162,163,164Er; analyzed band structure, moment of inertia; deduced identical bands features.
1992MA29 Acta Phys.Pol. B23, 701 (1992) Discussion of the High Spin Spectra in Light Nuclei in Terms of the Rotating Harmonic Oscillator NUCLEAR STRUCTURE 16O, 20Ne, 28Si; calculated levels, deformations at high J; deduced yrast region features. Anisotropic harmonic oscillator rotated externally at constant frequency.
1991ZU01 Phys.Lett. 254B, 308 (1991) K.Zuber, D.Balouka, F.A.Beck, Th.Byrski, D.Curien, G.De France, G.Duchene, C.Gehringer, B.Haas, J.C.Merdinger, P.Romain, D.Santos, J.Styczen, J.P.Vivien, J.Dudek, Z.Szymanski, T.R.Werner A Comparative Study of Superdeformation in 146,147,148Gd. Possible Manifestations of the Pseudo-SU3 Symmetry, Octupole Shape Susceptibility and Superdeformed Deep-Hole Excitations NUCLEAR REACTIONS 122Sn(30Si, 5n), E=155 MeV; measured Eγ, Iγ, sum spectra. 147Gd deduced levels, J, π, superdeformed band features. Model comparison.
doi: 10.1016/0370-2693(91)91160-W
1990DU10 Phys.Lett. 248B, 235 (1990) J.Dudek, T.R.Werner, Z.Szymanski Prediction of Octupole-Deformation Effects in Superdeformed Nuclei of A ≈ 150 and A ≈ 190 Mass Regions and Possible Interrelation with Pseudo-Spin Symmetry NUCLEAR STRUCTURE 146Nd, 148Sm, 150Gd, 152Dy, 154Er, 156Yb, 186,188,190,192,194,196,198,200,202Hg; calculated potential energy vs deformation parameter; deduced pronounced octupole effects, superdeformed nuclei.
doi: 10.1016/0370-2693(90)90284-D
1990SA31 Phys.Scr. 42, 515 (1990) W.Satula, Z.Szymanski, W.Nazarewicz Pairing Correlations in Rotating Nuclei and the Frequency-Deformation Scaling NUCLEAR STRUCTURE 152Dy; calculated effective pairing gap vs frequency. N=60; calculated moments of inertia vs spins ratio. RPA, dynamical pairing correlations.
doi: 10.1088/0031-8949/42/5/002
1990ZU02 Nucl.Phys. A520, 195c (1990) K.Zuber, D.Balouka, F.A.Beck, Th.Byrski, D.Curien, G.Duchene, C.Gehringer, B.Haas, J.C.Merdinger, P.Romain, D.Santos, J.Styczen, J.P.Vivien, J.Dudek, Z.Szymanski, T.Werner Superdeformed Bands in 14764Gd83, a Possible Test of the Existence of Octupole Correlations in Superdeformed Bands NUCLEAR REACTIONS 122Sn(30Si, 5n), E=155 MeV; measured Eγ, Iγ. 147Gd deduced levels, superdeformed band structure.
doi: 10.1016/0375-9474(90)91147-J
1988DU13 Phys.Rev. C38, 940 (1988) J.Dudek, B.Herskind, W.Nazarewicz, Z.Szymanski, T.R.Werner Pairing, Temperature, and Deformed-Shell Effects on the Properties of Superdeformed 152Dy Nucleus NUCLEAR STRUCTURE 152Dy; calculated barrier heights, potential energy surfaces, high spin behaviour, deformation, superdeformation properties. Strutinsky model.
doi: 10.1103/PhysRevC.38.940
1987DU04 Phys.Rev.Lett. 59, 1405 (1987) J.Dudek, W.Nazarewicz, Z.Szymanski, G.A.Leander Abundance and Systematics of Nuclear Superdeformed States; Relation to the pseudospin and pseudo-SU(3) symmetries NUCLEAR STRUCTURE 148,152,154Dy, 136,144,150Sm, 132,134,144Nd, 128,132,142Ce; calculated potential energy surfaces; deduced super elongation particle number dependence, superdeformation effects.
doi: 10.1103/PhysRevLett.59.1405
1987NA21 Phys.Lett. 196B, 404 (1987) W.Nazarewicz, Z.Szymanski, J.Dudek Pairing Correlations in the Superdeformed Rotational Bands: The frequency-deformation scaling NUCLEAR STRUCTURE 152Dy; calculated routhians vs deformation parameter, pairing correlation energy, associated dealignment in superdeformed states.
doi: 10.1016/0370-2693(87)90790-8
1985JA03 Nucl.Phys. A436, 397 (1985) Two-Fluid Model Description of Isovector Giant Resonances in Fast Rotating Nuclei NUCLEAR STRUCTURE 24Mg, 90Zr, 158,160Yb, 164Er, 154Sm; calculated isovector GDR frequencies. Two-fluid model.
doi: 10.1016/0375-9474(85)90076-4
1985NA03 Nucl.Phys. A436, 139 (1985) W.Nazarewicz, J.Dudek, Z.Szymanski Disappearance of Pairing Correlations in a Rotating Nucleus and the Role of Particle-Number Projection Discussed within a Solvable Model NUCLEAR STRUCTURE 168Hg, 170W; calculated particle number projected quantities, pairing parameter vs rotational frequency; deduced vanishing pairing correlation. Solvable two-level model.
doi: 10.1016/0375-9474(85)90546-9
1983DU10 Phys.Scr. T5, 171 (1983) J.Dudek, W.Nazarewicz, Z.Szymanski Kinematical and Dynamical Moments of Inertia and the Mottelson-Valatin Effect at High Spin Excitations NUCLEAR STRUCTURE 232U, 234Cf, 240Cm, 238Pu; calculated neutron, proton contributions to kinematical, dynamic moments of inertia. 232Th, 232,234,235,236,238U, 237Np, 248Cm; calculated neutron, proton pairing gaps, kinematical, dynamic moments of inertia. 232,234,235,236,238U deduced superfluid to normal phase transition. Self-consistent, cranked HFB pairing calculations.
doi: 10.1088/0031-8949/1983/T5/032
1982DU16 Phys.Rev. C26, 1708 (1982) J.Dudek, W.Nazarewicz, Z.Szymanski Possible Existence of Backbending in Actinide Nuclei NUCLEAR STRUCTURE 222,224,226,228,230,232,234,236Ra, 222,224,226,228,230,232,234,236Th, 232,234,236,238,240,242,244,246Pu, 226,228,230,232,234,236,238,240U, 238,240,242,244,246,248,250Cm; calculated equilibrium β2, β4, backbending effects. Cranked HFB.
doi: 10.1103/PhysRevC.26.1708
1982DU17 Phys.Rev. C26, 1712 (1982) J.Dudek, Z.Szymanski, T.Werner, A.Faessler, C.Lima Description of the High Spin States in 146Gd using the Optimized Woods-Saxon Potential NUCLEAR STRUCTURE 146Gd; calculated yrast, yrare levels. Optimized Woods-Saxon potential, BCS, particle number projection.
doi: 10.1103/PhysRevC.26.1712
1982SC07 Phys.Rev.Lett. 48, 1534 (1982) Y.Schutz, J.P.Vivien, F.A.Beck, T.Byrski, C.Gehringer, J.C.Merdinger, J.Dudek, W.Nazarewicz, Z.Szymanski Search for Collective Effects in Very High Spin States of 152Dy NUCLEAR REACTIONS 123Sn(32S, xn), E=160 MeV; measured γγ(θ) ratio, γγ(E). 152Dy deduced high spin collective effects, superdeformed configuration parameters, moments of inertia. Rotating Woods-Saxon potential.
doi: 10.1103/PhysRevLett.48.1534
1981AN07 Nucl.Phys. A361, 147 (1981) C.G.Andersson, J.Krumlinde, G.Leander, Z.Szymanski Rotational Bands on Few-Particle Excitations of very High Spin NUCLEAR STRUCTURE 176Hf, 212Rn; calculated rotational bands, high-spin levels. RPA, collective rotation around nonsymmetric axis.
doi: 10.1016/0375-9474(81)90474-7
1981BY02 Phys.Lett. 102B, 235 (1981) T.Byrski, F.A.Beck, C.Gehringer, J.C.Merdinger, Y.Schutz, J.P.Vivien, J.Dudek, W.Nazarewicz, Z.Szymanski Second Backbending in the Yrast Line of 156Er NUCLEAR REACTIONS 141Pr(19F, 4n), E=95 MeV; 123Sb(37Cl, 4n), E=170 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), oriented nuclei. 156Er deduced levels, J, π, backbending, band crossing effects. Cranked HFB calculation.
doi: 10.1016/0370-2693(81)90865-0
1981DU04 Phys.Rev. C23, 920 (1981) J.Dudek, Z.Szymanski, T.Werner Woods-Saxon Potential Parameters Optimized to the High Spin Spectra in the Lead Region NUCLEAR STRUCTURE 204Pb, 212Rn; calculated high spin states; deduced optimum parameters of Woods-Saxon potential spin-orbit term.
doi: 10.1103/PhysRevC.23.920
1981DU15 Phys.Scr. 24, 309 (1981) J.Dudek, W.Nazarewicz, Z.Szymanski Independent Quasiparticle Analysis of Rotational Bands in 156Er NUCLEAR STRUCTURE 156Er; analyzed rotational bands. Independent quasiparticles, rotating nuclear potential, self consistency.
doi: 10.1088/0031-8949/24/1B/029
1980CW01 Nucl.Phys. A333, 139 (1980) S.Cwiok, W.Nazarewicz, J.Dudek, J.Skalski, Z.Szymanski Microscopic Analysis of the Double Backbending in the Nucleus 160Yb NUCLEAR STRUCTURE 160Yb; calculated double back-bending effects. Cranked Hartree-Fock-Bogoliubov method, deformed Woods-Saxon potential, monopole pairing terms.
doi: 10.1016/0375-9474(80)90019-6
1980CW02 Phys.Rev. C21, 448 (1980) S.Cwiok, W.Nazarewicz, J.Dudek, Z.Szymanski Analysis of the Backbending Effect in 166Yb, 168Yb, and 170Yb within the Hartree-Fock-Bogolyubov Cranking Method NUCLEAR STRUCTURE 166,168,170Yb; calculated moments of inertia. Cranked Hartree-Fock-Bogoliubov method.
doi: 10.1103/PhysRevC.21.448
1979CE01 Nucl.Phys. A315, 269 (1979) M.Cerkaski, J.Dudek, P.Rozmej, Z.Szymanski, S.G.Nilsson Particle-Hole Structure of Nuclear Isomers at High Angular Momenta NUCLEAR STRUCTURE 152Dy; calculated energies, magnetic moments of high-spin isomers. Deformed Woods-Saxon potential, axial symmetry.
doi: 10.1016/0375-9474(79)90611-0
1979CE03 Acta Phys.Pol. B10, 163 (1979) Investigation of General Trends in Fast Rotating Nuclei in the Approximation of the Harmonic Oscillator Potential NUCLEAR STRUCTURE 24Mg; analyzed high angular momentum states; deduced yrast line, dynamical moments of inertia. Rotating harmonic oscillator potential. Bohr-mottelson-valatin solution.
1978AN17 Nucl.Phys. A309, 141 (1978) C.G.Andersson, G.Hellstrom, G.Leander, I.Ragnarsson, S.Aberg, J.Krumlinde, S.G.Nilsson, Z.Szymanski Islands of High-Spin Yrast Isomers NUCLEAR STRUCTURE 74,78,82,86,90,94Kr; calculated yrast spin trajectories. 74Kr, 176Hf, 196Hg, 204Pb, 212Rn, 218Th; calculated potential energy surfaces. 151Dy, 152Dy, 176Hf; calculated yrast spectrum. 204Pb, 212Rn; calculated energies, level properties. Likely candidates for yrast traps, trap mechanisms discussed. Modified oscillator, RPA, BCS models.
doi: 10.1016/0375-9474(78)90540-7
1977CE03 Phys.Lett. 70B, 9 (1977) M.Cerkaski, J.Dudek, Z.Szymanski, C.G.Andersson, G.Leander, S.Aberg, S.G.Nilsson, I.Ragnarsson Search for the Yrast Traps in Neutron Deficient Rare Earth Nuclei NUCLEAR STRUCTURE 148,150,152Gd, 152Dy, 156,158Er, 158,160,162Yb; calculated yrast energies.
doi: 10.1016/0370-2693(77)90331-8
1976AN10 Nucl.Phys. A268, 205 (1976) G.Andersson, S.E.Larsson, G.Leander, P.Moller, S.G.Nilsson, I.Ragnarsson, S.Aberg, R.Bengtsson, J.Dudek, B.Nerlo-Pomorska, K.Pomorski, Z.Szymanski Nuclear Shell Structure at Very High Angular Momentum NUCLEAR STRUCTURE 24Mg, 114,116,118Te, 122,124,126Xe, 122,124,126,128,130,138Ba, 150Gd, 150,154Sm, 158,160,164,166,168Yb, 178W, 182,178,186,190Os, 204Pb, 160Er, 298Fl; calculated potential energy surfaces, shell structure.
doi: 10.1016/0375-9474(76)90461-9
1975BE35 Phys.Lett. 57B, 301 (1975) R.Bengtsson, S.E.Larsson, G.Leander, P.Moller, S.G.Nilsson, S.Aberg, Z.Szymanski Yrast Bands and High-Spin Potential-Energy Surfaces NUCLEAR STRUCTURE 146Sm, 160Yb; calculated yrast bands, energy surfaces.
doi: 10.1016/0370-2693(75)90455-4
1973SA14 Nucl.Phys. A207, 486 (1973) O.Saethre, S.A.Hjorth, A.Johnson, S.Jagare, H.Ryde, Z.Szymanski Angular Velocity Expansions of Nuclear Rotational Energies NUCLEAR REACTIONS Sm, Gd, Er, Yb(α, xn); measured Eγ. 154Gd, 155Dy, 166,170Yb, 170,172,176Hf deduced transitions.
doi: 10.1016/0375-9474(73)90857-9
1972KR17 Phys.Lett. 40B, 314 (1972) A Description of the Band Structure at High Angular Momenta in Rotating Nuclei
doi: 10.1016/0370-2693(72)90808-8
1971KR23 Phys.Lett. 36B, 157 (1971) A Simple Model for Nuclear Rotation at High Angular Momenta
doi: 10.1016/0370-2693(71)90057-8
1971SO05 Nucl.Phys. A168, 519 (1971) A.Sobiczewski, T.Krogulski, J.Blocki, Z.Szymanski Closed Shells for Very Heavy Nuclei NUCLEAR STRUCTURE A=200-400, Z=115; calculated single-particle energies.
doi: 10.1016/0375-9474(71)90545-8
1971SZ02 Postepy Fiz. 22, 147 (1971) Double Barrier of the Potential in Fissioning Nuclei
1970JO29 Ann.Phys.(Paris) 5, 377 (1970) T.Johansson, S.G.Nilsson, Z.Szymanski Theoretical Predictions Concerning Superheavy Elements NUCLEAR STRUCTURE, Fission Sg, Hs, Ds; Z=112, 114, 120; calculated T1/2(SF), potential energy surfaces, single-particle levels.
1969MO19 Phys.Letters 30B, 223 (1969) P.Moller, S.G.Nilsson, A.Sobiczewski, Z.Szymanski, S.Wycech Nonperturbative Treatment of the P3 Degree of Freedom of the Nuclear Potential at Equilibrium and Fission Distortions NUCLEAR STRUCTURE 236U, 244Cm, 252Fm; calculated energy surface, octupole stiffness parameter. Strutinsky method.
doi: 10.1016/0370-2693(69)90422-5
1969NI13 Nucl.Phys. A131, 1 (1969) S.G.Nilsson, C.F.Tsang, A.Sobiczewski, Z.Szymanski, S.Wycech, C.Gustafson, I.-L.Lamm, P.Moller, B.Nilsson On the Nuclear Structure and Stability of Heavy and Superheavy Elements
doi: 10.1016/0375-9474(69)90809-4
1969WY02 Izv.Akad.Nauk SSSR, Ser.Fiz. 33, 1263 (1969); Bull.Acad.Sci.USSR, Phys.Ser. 33, 1169 (1970) S.Wycech, A.Sobiczewski, Z.Szymanski, S.G.Nilsson, J.R.Nix, H.F.Tsang, C.Gustafson, P.Moller, B.Nilsson Microscopic Values for the Mass Parameter of Heavy and Superheavy Nuclei NUCLEAR STRUCTURE 228,230,232,234Th, 230,232,234,236,238,240U, 234,236,238,240,242,244,246Pu, 238,240,242,244,246,248,250,252Cm, 244,246,248,250,252,254,256Cf, 248,250,252,254,256,258,260Fm, 250,252,254,256,258No, 258,260,262Rf; calculated mass parameter.
1968MO30 Phys.Lett. B 26, 418 (1968) P.Moller, B.Nilsson, S.G.Nilsson, A.Sobiczewski, Z.Szymanski, S.Wycech Hexadecapole equilibrium distortions of nuclei NUCLEAR STRUCTURE 230,232Th, 234,236,238U, 236,238,240,242Pu, 242,244,246,248Cm, 248,250,252Cf, 252,254Fm, 262No, 266Rf, 270,272Sg; calculated hexadecapole deformation parameters with nuclear deformed shell model. Comparison with available data.
doi: 10.1016/0370-2693(68)90582-0
1967RY01 Phys.Letters 24B, 387 (1967) H.Ryde, F.Boehm, G.D.Symons, Z.Szymanski A Remark Concerning the Magnetic Properties of the Odd-Odd Nucleus 170Tm NUCLEAR STRUCTURE 170Tm; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0370-2693(67)90298-5
1966HA17 Nucl.Phys. 78, 593 (1966) M.Y.M.Hassan, Z.Skladanowski, Z.Szymanski Equilibrium Deformations of the Odd-Mass Nuclei in the Rare-Earth Region
doi: 10.1016/0029-5582(66)90897-2
1966RY01 Nucl.Phys. 80, 241 (1966) H.Ryde, G.D.Symons, Z.Szymanski Rotational Bands on Two-Particle Configurations with K(n) = K(p) = 1/2 NUCLEAR REACTIONS 169Tm(d, p), E = 11, 12 MeV; measured σ(Ep), Q. 170Tm deduced levels. 170Tm, 170Yb(16O, 16O'γ), E = 42 MeV; measured Eγ, Iγ. 170Yb deduced quadrupole moment. Enriched targets.
doi: 10.1016/0029-5582(66)90087-3
1962RA08 Nucl.Phys. 38, 607 (1962); Erratum Nucl.Phys. 57, 696 (1964) V.Radojevic, A.Sobiczewski, Z.Szymanski Calculation of the Rotation Gamma-Vibration Interaction in the Rare-Earth Nuclei NUCLEAR STRUCTURE 186Os, 188Os, 152Sm, 166Er, 168Er, 156Gd, 160Dy; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0029-5582(62)91070-2
1962RA09 PAN-325/VII (1962); Nuclear Sci. Abstr. 16, 4478, No.33793 (1962) V.Radojevic, A.Sobiczewski, Z.Szymanski
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