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NSR database version of April 27, 2024.

Search: Author = K.Neergard

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2017PE05      Int.J.Mod.Phys. E26, 1740021 (2017)

W.Pereira, R.Garcia, L.Zamick, A.Escuderos, K.NeergArd

Partial conservation law in a schematic single j shell model

doi: 10.1142/S0218301317400213
Citations: PlumX Metrics

2013NE13      Phys.Rev. C 88, 034329 (2013); Erratum Phys.Rev. C 98, 059901 (2018)

K.Neergard

Cooperation of anti-aligning and aligning shell-model forces for N=Z

NUCLEAR STRUCTURE ⁴⁴Ti, ⁵²Fe, ⁸⁴Mo, ⁹⁶Cd; analyzed single-j shell model ground-state wave functions of nuclei with two neutrons and two protons or two neutron holes and two proton holes in a single j-shell.

doi: 10.1103/PhysRevC.88.034329
Citations: PlumX Metrics

2009NE10      Phys.Rev. C 80, 044313 (2009), Erratum Phys.Rev. C 88, 049901 (2013)

K.Neergard

Pairing theory of the symmetry energy

NUCLEAR STRUCTURE A=48, 56, 68, 80, 100, 240; calculated symmetry energy and other parameters of this energy using Hartree-Bogolyubov plus random-phase approximation (RPA) method.

doi: 10.1103/PhysRevC.80.044313
Citations: PlumX Metrics

2003NE15      Phys.Lett. B 572, 159 (2003)

K.Neergard

On the linear term in the nuclear symmetry energy

NUCLEAR STRUCTURE A=48; calculated symmetry energy, RPA contribution.

doi: 10.1016/j.physletb.2003.08.027
Citations: PlumX Metrics

2002NE06      Phys.Lett. 537B, 287 (2002)

K.Neergard

Interpretation of the Wigner Energy as Due to RPA Correlations

doi: 10.1016/S0370-2693(02)01917-2
Citations: PlumX Metrics

2000FR11      Phys.Rev. C61, 064324 (2000)

S.Frauendorf, K.Neergard, J.A.Sheikh, P.M.Walker

Moments of Inertia for Multiquasiparticle Configurations

NUCLEAR STRUCTURE ¹⁷⁸Hf, ^178,179W; calculated rotational bands moments of inertia, related features; deduced insensitivity to pair correlations. Tilted-axis cranking, multiquasiparticle configurations.

doi: 10.1103/PhysRevC.61.064324
Citations: PlumX Metrics

1996FR10      Z.Phys. A354, 381 (1996)

S.Frauendorf, K.Neergard

Rotating Nuclear Matter

doi: 10.1007/s002180050061
Citations: PlumX Metrics

1987DE23      Phys.Lett. 195B, 17 (1987)

M.A.Deleplanque, J.C.Bacelar, E.M.Beck, R.M.Diamond, F.S.Stephens, J.E.Draper, Th.Dossing, K.Neergard

Particle-Hole States at High Spin in ¹⁵⁰Dy

NUCLEAR REACTIONS ¹¹⁴Cd(⁴⁰Ar, 4n), E=175 MeV; measured Eγ, Iγ, γγγ-coin. ¹⁵⁰Dy deduced levels, J, π, γ-branching, configurations. Compton suppressed Ge detectors.

doi: 10.1016/0370-2693(87)90878-1
Citations: PlumX Metrics

1985AB09      Nucl.Phys. A443, 91 (1985)

S.Aberg, T.Dossing, K.Neergard

Theoretical Calculations of γ-Ray Feeding Patterns for Gd, Dy and Er Nuclei

NUCLEAR STRUCTURE ^{146,147,148,149,150}Gd, ^{148,149,150,151,152}Dy, ^{150,152,153,154}Er; calculated levels, γ-spectra side feeding patterns, stretched dipole continuum spectra. Deformed oblate potential, many quasiparticle configurations, Monte Carlo calculations.

doi: 10.1016/0375-9474(85)90323-9
Citations: PlumX Metrics

1984MU15      Nucl.Phys. A420, 204 (1984)

K.Muhlhans, K.Neergard, U.Mosel

Solution of the Hartree-Fock-Bogoliubov Problem in the Canonical Representation

NUCLEAR STRUCTURE ¹⁵⁸Dy; calculated levels, g, yrast lines, multipole pair field strengths; deduced projection role. HFB, canonical representation.

doi: 10.1016/0375-9474(84)90439-1
Citations: PlumX Metrics

1983MU02      Phys.Lett. 120B, 280 (1983)

E.M.Muller, K.Neergard

On the Interpretation of Rotational Bands in Odd Actinide Nuclei

NUCLEAR STRUCTURE ²³⁵U, ²³⁷Np; calculated rotational band angular momentum vs rotational frequency. Quasiparticle plus rotor model, rotation dependent interaction.

doi: 10.1016/0370-2693(83)90444-6
Citations: PlumX Metrics

1983NE10      Phys.Scr. T5, 51 (1983)

K.Neergard

' Non-Rotating ' Yrast States

NUCLEAR STRUCTURE ¹⁴⁶Gd, ^150,151Dy, ¹⁵⁴Er; calculated yrast levels, M1, E2 moments, proton, neutron pairing energies, deformations, deformations energies; deduced systematics. Deformed independent particle model.

1982MU07      Nucl.Phys. A383, 233 (1982)

E.M.Muller, K.Muhlhans, K.Neergard, U.Mosel

Generalized Pair Field in Fast Rotating Nuclei

NUCLEAR STRUCTURE ²⁴Mg; calculated yrast levels; deduced T=0, T=1 pair field angular momentum dependence. Realistic forces, rotating nucleus, HFB theory.

doi: 10.1016/0375-9474(82)90450-X
Citations: PlumX Metrics

1981DO06      Phys.Scr. 24, 258 (1981)

T.Dossing, K.Neergard, H.Sagawa

Yrast Spectra in the ¹⁴⁶Gd Region

NUCLEAR STRUCTURE ¹⁴⁷Gd; calculated isomer g, quadrupole moments; ^150,152,154Er, ^148,150,152Dy, ^146,148,150Gd; calculated moments of inertia. ¹⁵²Dy, ¹⁴⁷Gd; calculated number of levels vs spin, deformation. Deformed single particle model, BCS pairing, number projection, Strutinsky renormalization.

doi: 10.1088/0031-8949/24/1B/022
Citations: PlumX Metrics

1981MU13      Phys.Lett. 105B, 329 (1981)

K.Muhlhans, E.M.Muller, K.Neergard, U.Mosel

The Pair Field of Rotating ²⁴Mg

NUCLEAR STRUCTURE ²⁴Mg; calculated yrast levels. Surface delta interaction, Strutinsky single-particle energies, liquid drop energy.

doi: 10.1016/0370-2693(81)90773-5
Citations: PlumX Metrics

1981NE02      Phys.Lett. 99B, 191 (1981)

K.Neergard, T.Dossing, H.Sagawa

Electromagnetic Moments of Isomers in ^{144,146,147,148}Gd in the Deformed Independent Particle Model

NUCLEAR MOMENTS ^{144,146,147,148}Gd; calculated g, quadrupole moments for high spin states. Deformed independent particle model.

doi: 10.1016/0370-2693(81)91105-9
Citations: PlumX Metrics

1980DO08      J.Phys.(Paris), Colloq.C-10, 79 (1980)

T.Dossing, K.Neergard, H.Sagawa

On the Structure and Deformation of Yrast States in ¹⁴⁶Gd, ¹⁴⁷Gd, and ¹⁵²Dy

NUCLEAR STRUCTURE ^146,147Gd, ¹⁵²Dy; calculated levels, deformation of yrast states, quadrupole moment, g. Deformed independent particle model.

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, ^{212,214,216,210}Rn; calculated yrast levels.

doi: 10.1016/0375-9474(78)90616-4
Citations: PlumX Metrics

1977MI20      Fiz.Elem.Chastits At.Yadra 8, 1338 (1977); Sov.J.Part.Nuclei 8, 550 (1977)

I.N.Mikhailov, K.Neergard, V.V.Pashkevich, S.Frauendorf

Influence of Rotation on the Collective Properties of Nuclei

COMPILATION A=150-192; compiled theoretical, experimental investigations into influence of rotation on collective properties of nuclei.

1977NE09      Nucl.Phys. A287, 48 (1977)

K.Neergard, H.Toki, M.Ploszajczak, A.Faessler

Very High Spin Strutinsky Calculations with a Woods-Saxon Potential

NUCLEAR STRUCTURE ¹⁵⁰Gd, ¹⁶⁶Er, ¹⁸⁸Pt, ^156,162Dy, ^158,170Yb, ¹⁸²Hf, ¹⁸⁶Os, ²⁰⁰Hg, ²⁰²Pb, ²⁰⁴Po; calculated deformation energy surfaces. Woods-Saxon, Nilsson potentials.

doi: 10.1016/0375-9474(77)90563-2
Citations: PlumX Metrics

1977TO06      Nucl.Phys. A279, 1 (1977)

H.Toki, K.Neergard, P.Vogel, A.Faessler

Non-Axial Deformations and the Odd Parity States in the Even Pt and Hg Isotopes

NUCLEAR STRUCTURE ^{190,192,194,196,198,200}Hg, ^{186,188,190,192,194,196}Pt; calculated levels, B(λ). Semi-decoupled model.

doi: 10.1016/0375-9474(77)90417-1
Citations: PlumX Metrics

1976NE05      Nucl.Phys. A262, 61 (1976)

K.Neergard, V.V.Pashkevich, S.Frauendorf

Shell Energies of Rapidly Rotating Nuclei

NUCLEAR STRUCTURE ^150,154,158Gd, ^156,160,164Dy, ^162,166,170Er, ^168,172,176Yb, ^174,178,182Hf, ^180,184,188W; calculated shell corrections to deformation energy.

doi: 10.1016/0375-9474(76)90440-1
Citations: PlumX Metrics

1975NE02      Nucl.Phys. A238, 199 (1975)

K.Neergard, P.Vogel, M.Radomski

Semi-Decoupled Bands in the Even Hg Isotopes

NUCLEAR STRUCTURE ^{190,192,194,196,198,200}Hg; calculated yrast states.

doi: 10.1016/0375-9474(75)90349-8
Citations: PlumX Metrics

1975NE06      Phys.Lett. 59B, 218 (1975)

K.Neergard, V.V.Pashkevich

Shell Corrections to the Deformation Energies of Very High Spin Nuclei (I ≤ 100)

NUCLEAR STRUCTURE ¹⁶⁸Yb, ^156,160Dy, ¹⁷⁸Hf; calculated deformation energies.

doi: 10.1016/0370-2693(75)90030-1
Citations: PlumX Metrics

1973LA18      Phys.Lett. 44B, 425 (1973)

S.Landowne, R.A.Broglia, K.Neergard

How Indirect (p, t) Processes Populate the γ-Band of ¹⁶⁸Yb

NUCLEAR REACTIONS ¹⁷⁰Yb(p, t), E=19 MeV; measured nothing, calculated σ(θ).

doi: 10.1016/0370-2693(73)90324-9
Citations: PlumX Metrics

1970NE02      Nucl.Phys. A145, 33 (1970)

K.Neergard, P.Vogel

Low-Lying Octupole States of the Doubly Even Deformed Nuclei with 152 < A < 190

NUCLEAR STRUCTURE ^{154,156,158,160}Gd, ^{156,158,160,162,164}Dy, ^{162,164,166,168,170}Er, ^{168,170,172,174,176}Yb, ^{174,176,178,180}Hf, ^182,184,186W, ^186,188,190Os; calculated levels, B(E3), deformation parameters β₃. Quasiparticle RPA, pairing+(octupole-octupole) force.

doi: 10.1016/0375-9474(70)90309-X
Citations: PlumX Metrics

1970NE08      Nucl.Phys. A149, 217 (1970)

K.Neergard, P.Vogel

On the Microscopic Description of Nuclear Vibrations When Phonons Occur at Relatively Low Energy (II). Octupole States of the Even Deformed Nuclei with A > 222

NUCLEAR STRUCTURE ^{222,224,226,228}Ra, ^{224,226,228,230,232,234}Th, ^{230,232,234,236,238}U, ^{236,238,240,242,244}Pu, ^{242,244,246,248}Cm, ^250,252Cf, ^252,254Fm; calculated levels, B(E3).

doi: 10.1016/0375-9474(70)90388-X
Citations: PlumX Metrics

1969NE09      Phys.Letters 30B, 75 (1969)

K.Neergard, P.Vogel

Coriolis Interaction Between Octupole States in the Even Dy Isotopes

NUCLEAR STRUCTURE ^{156,158,160,162,164}Dy; calculated levels.

doi: 10.1016/0370-2693(69)90400-6
Citations: PlumX Metrics