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Search: Author = Z.Szymanski

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1998SZ04      Phys.Lett. 433B, 229 (1998)

Z.Szymanski, W.Nazarewicz

Rotating Pseudo-Oscillator Scheme: Pseudo-spin symmetry and identical bands

doi: 10.1016/S0370-2693(98)00601-7
Citations: PlumX Metrics


1996SZ03      Acta Phys.Pol. B27, 1001 (1996)

Z.Szymanski

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
Citations: PlumX Metrics


1995SZ02      Phys.Rev. C51, R1090 (1995)

Z.Szymanski

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
Citations: PlumX Metrics


1995SZ03      Acta Phys.Pol. B26, 175 (1995)

Z.Szymanski

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
Citations: PlumX Metrics


1993SA50      Acta Phys.Pol. B24, 1989 (1993)

W.Satula, Z.Szymanski

On the Signature Symmetry in U(2n)-Model


1993SZ01      Acta Phys.Pol. B24, 23 (1993)

Z.Szymanski

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)

A.Majhofer, Z.Szymanski

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1985JA03      Nucl.Phys. A436, 397 (1985)

S.Jang, Z.Szymanski

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1979CE03      Acta Phys.Pol. B10, 163 (1979)

M.Cerkaski, Z.Szymanski

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1972KR17      Phys.Lett. 40B, 314 (1972)

J.Krumlinde, Z.Szymanski

A Description of the Band Structure at High Angular Momenta in Rotating Nuclei

doi: 10.1016/0370-2693(72)90808-8
Citations: PlumX Metrics


1971KR23      Phys.Lett. 36B, 157 (1971)

J.Krumlinde, Z.Szymanski

A Simple Model for Nuclear Rotation at High Angular Momenta

doi: 10.1016/0370-2693(71)90057-8
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1971SZ02      Postepy Fiz. 22, 147 (1971)

Z.Szymanski

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1962RA09      PAN-325/VII (1962); Nuclear Sci. Abstr. 16, 4478, No.33793 (1962)

V.Radojevic, A.Sobiczewski, Z.Szymanski


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