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NSR database version of April 11, 2024.

Search: Author = C.De Coster

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2002FO02      Nucl.Phys. A697, 703 (2002)

R.Fossion, C.De Coster, J.E.Garcia-Ramos, T.Werner, K.Heyde

Nuclear Binding Energies: Global collective structure and local shell-model correlations

NUCLEAR STRUCTURE Z=50-82; analyzed binding energies, two-neutron separation energies; deduced possible shell, deformation, or configuration-mixing effects. Liquid drop model, shell model, interacting boson model.

doi: 10.1016/S0375-9474(01)01270-2
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2002FO04      Phys.Rev. C65, 044309 (2002)

R.Fossion, C.De Coster, J.E.Garcia-Ramos, K.Heyde

Proton-Neutron Quadrupole Interactions: An effective contribution to the pairing field

doi: 10.1103/PhysRevC.65.044309
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2002HE07      Eur.Phys.J. A 13, 401 (2002)

K.Heyde, R.Fossion, J.E.Garcia-Ramos, C.De Coster, R.F.Casten

Differences between Pairing and Zero-Range Effective Interactions for Nuclear Binding Energies

doi: 10.1007/s10050-002-8769-2
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2001GA33      Nucl.Phys. A688, 735 (2001)

J.E.Garcia-Ramos, C.De Coster, R.Fossion, K.Heyde

Two-Neutron Separation Energies, Binding Energies and Phase Transitions in the Interacting Boson Model

NUCLEAR STRUCTURE Sm, Gd, Ru, Pd, Os, Pt; calculated binding energies. 150,152,154,156,158,160,162Gd, 100,102,104,106,108,110,112Pd, 184,186,188,190,192,194,196Pt; calculated level energies, two-neutron separation energies. Interacting boson model, comparisons with data.

doi: 10.1016/S0375-9474(00)00592-3
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2001SC41      Nucl.Phys. A693, 533 (2001)

S.Schwarz, F.Ames, G.Audi, D.Beck, G.Bollen, C.De Coster, J.Dilling, O.Engels, R.Fossion, J.-E.Garcia Ramos, S.Henry, F.Herfurth, K.Heyde, A.Kellerbauer, H.-J.Kluge, A.Kohl, E.Lamour, D.Lunney, I.Martel, R.B.Moore, M.Oinonen, H.Raimbault-Hartmann, C.Scheidenberger, G.Sikler, J.Szerypo, C.Weber, and the ISOLDE Collaboration

Accurate Masses of Neutron-Deficient Nuclides Close to Z = 82

ATOMIC MASSES 179,180,181,182,183,184,185,185m,186,187,187m,188,189m,190,191,191m,192,193,193m,194,195,196,197,197m,200Hg, 196,198,204Pb, 197Bi, 198Po, 203At; measured masses. Penning trap.

doi: 10.1016/S0375-9474(01)00881-8
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2000DE28      Phys.Rev. C61, 067306 (2000)

C.De Coster, B.Decroix, K.Heyde

Evidence for Proton Four-Particle-Four-Hole Intruder Excitations in Neutron Deficient Nuclei in the Pb Region

NUCLEAR STRUCTURE 184,186,188,190Pb; analyzed levels, J, π; deduced four-particle four-hole configuration.

doi: 10.1103/PhysRevC.61.067306
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2000DE44      Phys.Scr. T88, 33 (2000)

C.De Coster, B.Decroix, J.De Beule, K.Heyde

An Algebraic Approach to Shape Coexistence: New symmetries and applications

NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208,210Po; calculated levels, J, π, configurations, shape coexistence properties. Extended IBM approach.

doi: 10.1238/Physica.Topical.088a00033
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2000HE23      Hyperfine Interactions 127, 65 (2000)

K.Heyde, J.De Beule, B.Decroix, C.De Coster

Shape coexistence in atomic nuclei and its spectroscopic fingerprints

NUCLEAR STRUCTURE Pt, Hg, Pb, Po; analyzed level energy systematics, shape coexistence features.

doi: 10.1023/A:1012698224101
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1999BA45      Eur.Phys.J. A 5, 49 (1999)

J.C.Batchelder, K.S.Toth, C.R.Bingham, L.T.Brown, L.F.Conticchio, C.N.Davids, R.J.Irvine, D.Seweryniak, W.B.Walters, J.Wauters, E.F.Zganjar, J.L.Wood, C.De Coster, B.Decroix, K.Heyde

Behavior of Intruder Based States in Light Bi and Tl Isotopes: The study of 187Bi α Decay

RADIOACTIVITY 187Bi(α) [from 97Mo(92Mo, np)]; measured Eα, Iα, T1/2. 183Tl deduced levels, possible J, π. 187Bi deduced excited level. Fragment mass analyzer. Neutron intruder state systematics discussed.

doi: 10.1007/s100500050255
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1999DE13      J.Phys.(London) G25, 671 (1999)

C.De Coster, J.De Beule, B.Decroix, K.Heyde, A.M.Oros, P.Van Isacker

An Algebraic Approach to Shape Coexistence

doi: 10.1088/0954-3899/25/4/017
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1999DE15      J.Phys.(London) G25, 855 (1999)

B.Decroix, C.De Coster, K.Heyde, A.M.Oros, J.De Beule, P.Van Isacker

The Extended Proton-Neutron Interacting Boson Model and Possible Applications

NUCLEAR STRUCTURE 16O, 24Mg; calculated levels, J, π; deduced SU(4) symmetry features. Extended proton-neutron IBM.

doi: 10.1088/0954-3899/25/4/054
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1999DE16      Nucl.Phys. A651, 31 (1999)

C.De Coster, B.Decroix, K.Heyde, J.Jolie, H.Lehmann, J.L.Wood

Particle-Hole Excitations in the Interacting Boson Model (IV). The U(5)-SU(3) Coupling

NUCLEAR STRUCTURE 192,194,195,196,198,200,202Po; calculated levels, J, π. Extended IBM, U(5)-SU(3) coupling.

doi: 10.1016/S0375-9474(99)00124-4
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1999OR01      Nucl.Phys. A645, 107 (1999)

A.M.Oros, K.Heyde, C.De Coster, B.Decroix, R.Wyss, B.R.Barrett, P.Navratil

Shape Coexistence in the Light Po Isotopes

NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208,210Po; calculated levels, J, π, potential energy surfaces; deduced shape coexistence effects. Particle-core model, two-state mixing.

doi: 10.1016/S0375-9474(98)00602-2
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1999WO07      Nucl.Phys. A651, 323 (1999)

J.L.Wood, E.F.Zganjar, C.De Coster, K.Heyde

Electric Monopole Transitions from Low Energy Excitations in Nuclei

NUCLEAR STRUCTURE A=12-238; compiled, analyzed electric monopole transition strengths; deduced role of deformation, shape coexistence.

doi: 10.1016/S0375-9474(99)00143-8
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1998DE18      Phys.Rev. C57, 2329 (1998)

B.Decroix, J.De Beule, C.De Coster, K.Heyde, A.M.Oros, P.Van Isacker

Particle-Hole Excitations in the Interacting Boson Models IBM-2 and IBM-3

doi: 10.1103/PhysRevC.57.2329
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1998DE30      Phys.Rev. C58, 232 (1998)

B.Decroix, C.De Coster, K.Heyde, A.M.Oros, J.De Beule

1+ Mixed Symmetry States and Dipole Transitions in the Extended Proton-Neutron Interacting Boson Model

doi: 10.1103/PhysRevC.58.232
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1998DE47      Phys.Lett. 439B, 237 (1998)

B.Decroix, J.De Beule, C.De Coster, K.Heyde

SU(4) Symmetry in the Extended Proton-Neutron Interacting Boson Model: Multiplets and symmetry breaking

NUCLEAR STRUCTURE 16O, 24Mg; calculated levels, J, π; deduced SU(4) symmetry related features. Extended interacting boson model.

doi: 10.1016/S0370-2693(98)01083-1
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1998OR01      Phys.Rev. C57, 990 (1998)

A.M.Oros, K.Heyde, C.De Coster, B.Decroix

Local Electric Dipole Strength in Heavy Nuclei

NUCLEAR STRUCTURE 116Sn; calculated single-particle energies, E1 strength distributions; deduced local dipole states. Two-group RPA model.

doi: 10.1103/PhysRevC.57.990
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1997DE28      Nucl.Phys. A621, 802 (1997)

C.De Coster, B.Decroix, K.Heyde, J.L.Wood, J.Jolie, H.Lehmann

Particle-Hole Excitations in the Interacting Boson Model (III): The O(6)-SU(3) coupling

NUCLEAR STRUCTURE 180,182,184,186Os, 184,186,188,190Po, 180,178W, 190,192,182,184Pt, 196,194,188,186Pb, 192,190Rn, 196Th; calculated levels. 182,184,186,188,190,192,194,196,198Pt; calculated g factors. Extended interacting boson model.

doi: 10.1016/S0375-9474(97)00195-4
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1997HE04      Phys.Lett. 392B, 7 (1997)

K.Heyde, C.De Coster

Electric Dipole Transitions Near the Z = 50 and N = 82 Closed Shells

NUCLEAR STRUCTURE Z=50; N=82; analyzed E1 transition related features; deduced 1p-1h admixtures role at the tail of GDR.

doi: 10.1016/S0370-2693(96)01611-5
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1997LE16      Nucl.Phys. A621, 767 (1997)

H.Lehmann, J.Jolie, C.De Coster, B.Decroix, K.Heyde, J.L.Wood

Particle-Hole Excitations in the Interacting Boson Model (II): The U(5)-O(6) coupling

NUCLEAR STRUCTURE 108,110,112,114Cd, 112,114,116,118Te, 114Cd, 122Ba; calculated levels, B(λ). Extended interacting boson model.

doi: 10.1016/S0375-9474(97)00196-6
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1996DE15      Nucl.Phys. A600, 251 (1996)

C.De Coster, K.Heyde, B.Decroix, P.Van Isacker, J.Jolie, H.Lehmann, J.L.Wood

Particle-Hole Excitations in the Interacting Boson Model (I) General Structure and Symmetries

NUCLEAR STRUCTURE 110Ru, 122Ba, 114Cd, 118Te; calculated, compared low-lying collective states. Particle-hole excitations in interacting boson model.

doi: 10.1016/0375-9474(96)00019-X
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1996DE20      Phys.Lett. 379B, 20 (1996)

C.De Coster, B.Decroix, K.Heyde

An O(6) → SU(3) Particle-Hole Symmetry Transition Near the Z = 50 Closed Shell

NUCLEAR STRUCTURE 110Ru, 118Te, 122Ba; calculated levels. 114Cd; calculated levels, B(λ); deduced O(6) → SU(3) particle-hole symmetry transition.

doi: 10.1016/0370-2693(96)00427-3
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1996HE01      Nucl.Phys. A596, 30 (1996)

K.Heyde, C.De Coster, S.Rombouts, S.J.Freeman

A Schematic Model for the Study of Fragmentation of Scissors M1 Strength in Deformed Nuclei

NUCLEAR STRUCTURE 148,150,152,154,156,158Gd; calculated levels, total potential energy surfaces, quasiparticle configuration level densities, M1 transition strength fragmentation. 168Er; calculated levels. Fragmentation model.

doi: 10.1016/0375-9474(95)00384-3
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1996HE02      Phys.Rev. C53, 1035 (1996)

K.Heyde, C.De Coster, P.Van Duppen, M.Huyse, J.L.Wood, W.Nazarewicz

Comment on ' Shape and Superdeformed Structure in Hg Isotopes in Relativistic Mean Field Model ' and ' Structure of Neutron-Deficient Pt, Hg, and Pb Isotopes '

NUCLEAR STRUCTURE 176,178,180,182,184,186,188,190,192,194,196,198Pt, 178,180,182,186,188,190,192,194,196,198Hg; analyzed data, predicted B(λ); deduced quadrupole deformations; deduced prolate, superdeformed bands related conclusions implications. Nonrelativistic approach.

doi: 10.1103/PhysRevC.53.1035
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1995DE22      Phys.Rev. C51, 3510 (1995)

C.De Coster, K.Heyde, S.Rambouts, A.Richter

Magnetic Octupole Strength in Rare-Earth Nuclei: A sum rule approach

NUCLEAR STRUCTURE 146,148,150Nd, 148,150,152,154,156,158,160Sm, 154,156,158,160,162,164Gd, 160,162,164Dy; calculated summed magnetic dipole transition strengths, energy weighted sum rules ratios for M1, M3 transitions. Sum rule approach within the proton-neutron interacting boson model.

doi: 10.1103/PhysRevC.51.3510
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1995HE08      Nucl.Phys. A586, 1 (1995)

K.Heyde, J.Jolie, H.Lehmann, C.De Coster, J.L.Wood

Coexistence in Even-Even Cd Nuclei: Global structure and local perturbations

NUCLEAR STRUCTURE 112,114Cd; calculated levels, B(λ). 110Cd; calculated levels; deduced different excitations coexistence related features. Combination of anharmonic quadrupole vibrational intruder spectra.

doi: 10.1016/0375-9474(94)00721-X
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1995HE28      Phys.Scr. T56, 133 (1995)

K.Heyde, C.De Coster, P.Van Isacker, J.Jolie, J.L.Wood

Multi-Particle Multi-Hole Excitations and New Symmetries Near Closed Shells

NUCLEAR STRUCTURE 190,192,194,196,198,200,202,204,206Pb, 112,114,116,118,120,124Sn, 110,112,114Cd, 106,108,110Ru, 40,42Ca, 50Fe, 48,50Cr; compiled, reviewed, analyzed levels, B(λ) in some cases; deduced intruder states related features, multi-particle, multi-hole excitations role. Shell model approach, group theoretical classification.

doi: 10.1088/0031-8949/1995/T56/022
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1994HE01      Phys.Rev. C49, 156 (1994); Erratum Phys.Rev. C54, 2093 (1996)

K.Heyde, C.De Coster, D.Ooms

Sum Rules in the Proton-Neutron Interacting Boson Model: Generalized treatment and specific applications

NUCLEAR STRUCTURE 142,146,148,150Nd, 148,150,152,154Sm, 160,162Dy; calculated summed B(M1) strength, charge radii variation. Other sum rules discussed, proton-neutron interacting boson model.

doi: 10.1103/PhysRevC.49.156
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1994HE14      Phys.Rev. C49, 2499 (1994)

K.Heyde, C.De Coster, J.Schietse

Empirical Proton-Neutron Interactions Near Closed Shells: A simple shell-model approach

NUCLEAR STRUCTURE Z=48-84; N ≤ 128; analyzed empirical V(pn) estimates; deduced binding energy contribution, application to heavier nuclei.

doi: 10.1103/PhysRevC.49.2499
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1993HE08      Phys.Lett. 305B, 322 (1993)

K.Heyde, C.De Coster

Centrifugal Rotational Effects on the Magnetic Dipole Strength Distribution

NUCLEAR STRUCTURE 164Dy; calculated levels, B(M1); deduced centrifugal rotational effects role.

doi: 10.1016/0370-2693(93)91061-Q
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1993HE09      Phys.Lett. 312B, 267 (1993)

K.Heyde, C.De Coster, D.Ooms, A.Richter

Summed Magnetic Dipole Strength as a Measure of Nuclear Monopole Properties

NUCLEAR STRUCTURE 146,148,150,152Nd, 148,150,152,154Sm, 150,152,154,156Gd; calculated B(M1); deduced summed M1 transition strength nuclear isotopic shifts dependence. Ginocchio sum rule.

doi: 10.1016/0370-2693(93)91079-3
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1993ZI05      Nucl.Phys. A564, 366 (1993)

W.Ziegler, N.Huxel, P.von Neumann-Cosel, C.Rangacharyulu, A.Richter, C.Spieler, C.De Coster, K.Heyde

Low-Energy Dipole-Strength Distributions in 148, 150, 152, 154Sm

NUCLEAR REACTIONS 148,150,152,154Sm(γ, γ'), E=2-4 MeV; measured nuclear resonance fluorescence spectra. 148,150,152,154Sm deduced levels, J, π, B(λ). Comparison QRPA, QTDA model calculations.

doi: 10.1016/0375-9474(93)90510-5
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1992DE21      Nucl.Phys. A542, 375 (1992)

C.De Coster, K.Heyde, A.Richter

Magnetic Dipole Spin Excitations in Rare-Earth and Actinide Nuclei

NUCLEAR STRUCTURE A=140-198; 154Sm, 238U, 232Th; calculated summed spin M1 transition strength, B(M1) vs excitation energy. 144Sm, 190Pt, 148Nd, 164Dy, 174Yb, 156Gd; calculated B(M1) vs excitation energy. Nilsson model, quasiparticle states, BCS formalism.

doi: 10.1016/0375-9474(92)90103-Q
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1992HE11      Phys.Rev. C46, 541 (1992)

K.Heyde, C.De Coster, J.Jolie, J.L.Wood

Intruder Analog States: New classification of particle-hole excitations near closed shells

NUCLEAR STRUCTURE 110Ru, 114Cd, 118Te, 122Ba; calculated levels, B(λ); deduced intruder spin, analog states role. Interacting boson approximation model.

doi: 10.1103/PhysRevC.46.541
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1992HE14      Phys.Rev. C46, 2113 (1992)

K.Heyde, C.De Coster, J.L.Wood, J.Jolie

Proton 2p-2h Intruder Excitations and the Modified Vibrational Intensity and Selection Rules

NUCLEAR STRUCTURE 114Cd; calculated intruder states, quadrupole phonon vibrational states; deduced modified vibrational intensity, selection rules.

doi: 10.1103/PhysRevC.46.2113
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1992HE17      Nucl.Phys. A549, 103 (1992)

K.Heyde, C.De Coster, A.Richter, H.-J.Wortche

Manifestation of Quadrupole Collectivity in the Magnetc Dipole Strength

NUCLEAR STRUCTURE 168Er, 160,162,164Dy, 154,156,158,160Gd, 144,148,150,152,154Sm, 142,146,148,150Nd; analyzed B(λ) data; deduced quadrupole collectivity features. Quasiparticle TDA, interacting boson model, sum rule approach.

doi: 10.1016/0375-9474(92)90069-V
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1992HU01      Nucl.Phys. A539, 478 (1992)

N.Huxel, W.Ahner, H.Diesener, P.von Neumann-Cosel, C.Rangacharyulu, A.Richter, C.Spieler, W.Ziegler, C.De Coster, K.Heyde

Search for Low-Lying Magnetic Dipole Strength in the Heavy Odd-Mass Nucleus 165Ho

NUCLEAR REACTIONS 165Ho(γ, γ'), E=2.8 MeV bremsstrahlung; 165Ho(e, e'), E=35.1 MeV; measured spectra. 165Ho levels deduced M1 transition strengths. Unified rotational model, interacting boson-fermion model calculations comparison.

doi: 10.1016/0375-9474(92)90288-U
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1992PA02      Phys.Rev. C45, 284 (1992)

V.Paar, D.Vretenar, C.De Coster, K.Heyde, O.Scholten

Microscopic Approach to the U(6/4x4) Sub-Set Spin(BFF)(6) Hamiltonian of the Interacting Boson-Fermion-Fermion Model

NUCLEAR STRUCTURE 206Hg, 206Tl, 206Pb; calculated levels. Interacting boson-fermion-fermion model.

doi: 10.1103/PhysRevC.45.284
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1991DE05      Nucl.Phys. A524, 441 (1991)

C.De Coster, K.Heyde

Systematic Study of M1 Strength in the Rare-Earth Region

NUCLEAR STRUCTURE 148,149,150,151,152,153,154,155,156,157,158,159,160Gd; calculated levels, B(M1) fragmentation. Nilsson model, quasiparticles.

doi: 10.1016/0375-9474(91)90279-F
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1991DE17      Nucl.Phys. A529, 507 (1991); Erratum Nucl.Phys. A550, 563 (1992)

C.De Coster, K.Heyde

New Aspects in the Systematic Study of Low-Lying 1+ States in Rare-Earth Nuclei

NUCLEAR STRUCTURE 148Nd, 154Sm, 156,158,160Gd, 164Dy, 168Er, 174Yb; calculated 1+ levels, B(M1). Quasiparticle RPA.

doi: 10.1016/0375-9474(91)90583-R
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1991DE20      Phys.Rev.Lett. 66, 2456 (1991); Erratum Phys.Rev.Lett. 69, 2999 (1992)

C.De Coster, K.Heyde

Magnetic Dipole Spin Resonance in Rare-Earth Nuclei

NUCLEAR STRUCTURE 148Nd, 154Sm, 164Dy, 174Yb; calculated B(M1). Quasiparticle RPA.

doi: 10.1103/PhysRevLett.66.2456
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1991HE15      Phys.Rev. C44, 2216 (1991)

K.Heyde, J.Schietse, C.De Coster

Proton 4p-4h Intruder Excitations in Heavy Even-Even Nuclei

NUCLEAR STRUCTURE N=50-82; N=82-126; calculated lowest 4p-4h 0+ level energy variation with mass.

doi: 10.1103/PhysRevC.44.2216
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1991HE18      Phys.Rev. C44, R2262 (1991); Erratum Phys.Rev. C47, 910 (1993)

K.Heyde, C.De Coster

Correlation between E2 and M1 Transition Strength in Even-Even Vibrational, Transitional, and Deformed Nuclei

NUCLEAR STRUCTURE 168Er, 160,162,164Dy, 154,156,160Gd, 144,148,150,152,154Sm, 142,146,148,150Nd; calculated B(λ); deduced E2, M1 transition strength correlation features.

doi: 10.1103/PhysRevC.44.R2262
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1989DE42      Phys.Rev.Lett. 63, 2797 (1989)

C.De Coster, K.Heyde

Systematic Study of M1 Strength in the Rare-Earth Region

NUCLEAR STRUCTURE 148,150,152,154,156,158,160Gd; calculated levels, B(M1). Nilsson model.

doi: 10.1103/PhysRevLett.63.2797
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1989HE02      Phys.Lett. 218B, 287 (1989)

K.Heyde, C.de Coster, J.Ryckebusch, M.Waroquier

Equivalence of the Spherical and Deformed Shell-Model Approach to Intruder States

NUCLEAR STRUCTURE 186,188,190,192,194,196,198,200,202,204,206Pb, 107,109,111,113,115,117,119,121In; calculated levels, deformation.

doi: 10.1016/0370-2693(89)91582-7
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1989WA11      Nucl.Phys. A493, 224 (1989)

K.Wallmeroth, G.Bollen, A.Dohn, P.Egelhof, U.Kronert, M.J.G.Borge, J.Campos, A.Rodriguez Yunta, K.Heyde, C.de Coster, J.L.Wood, H.-J.Kluge

Nuclear Shape Transition in Light Gold Isotopes

RADIOACTIVITY 185,186,187,188,189m,189,190,191,192,193,195Au; measured hfs, isotope shifts; deduced μ, rms charge radii, deformation parameters β2. Resonance ionization mass spectroscopy, on-line isotope separator.

NUCLEAR MOMENTS 197Au; measured hfs; deduced μ, rms charge radius, deformation parameter. Resonance ionization mass spectroscopy, on-line isotope separator.

doi: 10.1016/0375-9474(89)90396-5
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