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NSR database version of April 26, 2024.

Search: Author = B.Fabricius

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2016JO01      Phys.Rev. C 93, 024307 (2016)

D.T.Joss, G.D.Dracoulis, E.Higgins, M.Lewis, J.Thomson, G.J.Lane, R.D.Page, J.Simpson, L.Bianco, B.Cederwall, I.G.Darby, P.M.Davidson, S.Eeckhaudt, S.Erturk, B.Fabricius, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, J.Pakarinen, E.S.Paul, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Evolving collective structures in the transitional nuclei ¹⁶²W and ¹⁶⁴W

NUCLEAR REACTIONS ¹⁰⁶Cd(⁶⁰Ni, 2p), (⁶⁰Ni, 2n2p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoils)γγ-coin, Recoils-α-α-α-γ correlated spectra, γγ(θ)(DCO) using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla accelerator laboratory. ^162,164W; deduced high-spin levels, J, π, bands, multipolarity, B(E1), B(E1)/B(E2) ratios, configurations, rotational alignments. Comparison with predictions of the cranked shell model.

doi: 10.1103/PhysRevC.93.024307
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2000PO03      Nucl.Phys. A665, 318 (2000)

A.R.Poletti, G.D.Dracoulis, A.P.Byrne, A.E.Stuchbery, B.Fabricius, T.Kibedi, P.M.Davidson

Core-Excitations in ²⁰⁹Po

NUCLEAR REACTIONS ²⁰⁴Hg(⁹Be, 4n), E=62 MeV; measured Eγ, γγ-coin, Iγ(θ), linear polarisation. ²⁰⁹Po deduced high spin levels J, π, half-life. Comparison with shell model calculations.

doi: 10.1016/S0375-9474(99)00421-2
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1999DA18      Nucl.Phys. A657, 219 (1999)

P.M.Davidson, G.D.Dracoulis, T.Kibedi, A.P.Byrne, S.S.Anderssen, A.M.Baxter, B.Fabricius, G.J.Lane, A.E.Stuchbery

Non-Yrast States and Shape Co-Existence in Light Pt Isotopes

RADIOACTIVITY ^{176,178,180,182}Au(β⁺), (EC) [from ¹⁴⁴Sm(³⁵Cl, xn)]; measured Eγ, Iγ, γγ(t), γγ(θ), E(ce), (ce)γ-coin. ^178,180,182Pt deduced levels, J, π, ICC, γ-ray branching ratios.

NUCLEAR STRUCTURE ^178,180,182Pt; calculated levels, J, π, branching ratios, transition quadrupole moments. Band mixing model.

doi: 10.1016/S0375-9474(99)00340-1
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1998ST24      Nucl.Phys. A641, 401 (1998)

A.E.Stuchbery, G.D.Dracoulis, T.Kibedi, A.P.Byrne, B.Fabricius, A.R.Poletti, G.J.Lane, A.M.Baxter

Spectroscopy of ²¹⁵Ra: The shell model and enhanced E3 transitions

NUCLEAR REACTIONS ²⁰⁶Pb(¹³C, 4n), E=66-84 MeV; measured Eγ, Iγ(θ), Iγ(θ, H, t), γγ(t), (X-ray)γ(t), I(ce)(t). ²¹⁵Ra deduced levels J, π, g, T_1/2, reduced transition probabilities, ICC. Enriched targets, pulsed beam, Ge hyper-pure, planar Ge, Compton-supressed detectors, superconducting solenoidal electron spectrometer, Si(Li) detector.

NUCLEAR STRUCTURE ²¹⁵Ra; calculated levels, B(λ), g. Semi-empirical shell model, octupole coupling.

doi: 10.1016/S0375-9474(98)00484-9
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1997PO04      Nucl.Phys. A615, 95 (1997)

A.R.Poletti, G.D.Dracoulis, A.P.Byrne, A.E.Stuchbery, B.Fabricius, T.Kibedi, P.M.Davidson

Core-Excited States and the Yrast Line in ²⁰⁸Po

NUCLEAR REACTIONS ²⁰⁴Hg(⁹Be, 5n), E=55-65 MeV; measured γγ(t), Eγ, Iγ(θ), Iγ(E, t), linear polarization. ²⁰⁸Po deduced high-spin levels, J, π, T_1/2, γ-multipolarity, δ. Enriched tatget, pulsed beam, Compton suppressed detectors, Ge hyperpure detectors in linear polarimeter.

NUCLEAR STRUCTURE ²⁰⁸Po; calculated levels. Semi-empirical shell model.

doi: 10.1016/S0375-9474(96)00428-9
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1995GJ01      Nucl.Phys. A582, 369 (1995)

N.L.Gjorup, P.M.Walker, G.Sletten, M.A.Bentley, B.Fabricius, J.F.Sharpey-Schafer

Anomalous Four and Five Quasiparticle Isomer Decays in ¹⁷⁴Hf and ¹⁷⁵Hf

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 4n), (⁴⁸Ca, 3n), E=198 MeV; measured Eγ, γγ-coin, Iγ. ^174,175Hf deduced high-spin levels, J, π, g-factors, quasiparticle assignments, high-K isomers, reduced hindrance factors, quasiparticle excitation energies.

doi: 10.1016/0375-9474(94)00475-3
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1995JA11      Nucl.Phys. A591, 61 (1995)

K.Jain, O.Burglin, G.D.Dracoulis, B.Fabricius, N.Rowley, P.M.Walker

Multi-Quasiparticle States in the Mass-180 Region

NUCLEAR STRUCTURE ^175,176Hf, ¹⁷⁷Ta, ¹⁷⁸W; calculated levels. Multi-quasiparticle states, blocked BCS theory.

doi: 10.1016/0375-9474(95)00175-Z
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1995KU14      Nucl.Phys. A587, 111 (1995)

T.Kutsarova, R.M.Lieder, H.Schnare, G.Hebbinghaus, D.Balabanski, W.Gast, A.Kramer-Flecken, M.A.Bentley, P.Fallon, D.Howe, A.R.Mokhtar, J.F.Sharpey-Schafer, P.Walker, P.Chowdhury, B.Fabricius, G.Sletten, S.Frauendorf

Study of High-Spin States in ^181,182Os

NUCLEAR REACTIONS ¹⁵⁰Nd(³⁶S, xn), E=160 MeV; ¹⁶⁷Er(¹⁸O, 4n), E=81.5 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), DCO ratios. ^182,181Os deduced high-spin levels, J, π, δ, γ-branching, g(K) factors, B(M1)/B(E2) ratios, configurations. Compton-suppressed Ge-detector arrays.

doi: 10.1016/0375-9474(94)00819-9
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1995LA10      Nucl.Phys. A589, 129 (1995)

G.J.Lane, G.D.Dracoulis, A.P.Byrne, S.S.Anderssen, P.M.Davidson, B.Fabricius, T.Kibedi, A.E.Stuchbery, A.M.Baxter

High-Spin States in ¹⁸³Hg and Shape Coexistence in the Odd-Mass Mercury Isotopes

NUCLEAR REACTIONS ¹⁵⁵Gd(³²S, 4n), E=159 MeV; measured Eγ, Iγ, γγ(t), γγ(θ). ¹⁸³Hg deduced high-spin levels, J, π, rotational bands, configurations, alignments, g(K)-g(R), B(E2) ratios. ^185,187Hg levels deduced B(E2) ratios, band-mixing, shape features, prolate-oblate energy differences.

doi: 10.1016/0375-9474(95)00080-K
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1994BY01      Nucl.Phys. A567, 445 (1994)

A.P.Byrne, G.J.Lane, G.D.Dracoulis, B.Fabricius, T.Kibedi, A.E.Stuchbery, A.M.Baxter, K.J.Schiffer

Octupole Coupling and Proton-Neutron Interactions in ²¹⁴Fr

NUCLEAR REACTIONS ²⁰⁵Tl(¹³C, 4n), E=75-84 MeV; ²⁰⁸Pb(¹¹B, 5n), E=68-84 MeV; measured γγ(t), (X-ray)γ(t), Eγ, Iγ(θ), I(ce)(t), Iγ(θ, H, t). ²¹⁴Fr deduced levels J, π, T_1/2, g, reduced B(λ), ICC. Enriched targets, pulsed-beam, Ge hyperpure, planar Ge, Compton suppressed detectors, superconducting solenoidal electron spectrometer, Si(Li) detector.

NUCLEAR STRUCTURE ²¹⁴Fr; calculated levels, B(λ), g. Semi-empirical shell model, yrast configurations, core-excitation, octupole coupling.

doi: 10.1016/0375-9474(94)90158-9
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1994DA02      Nucl.Phys. A568, 90 (1994)

P.M.Davidson, G.D.Dracoulis, T.Kibedi, A.P.Byrne, S.S.Anderssen, A.M.Baxter, B.Fabricius, G.J.Lane, A.E.Stuchbery

Non-Yrast States and Shape Co-Existence in ¹⁷²Os

RADIOACTIVITY ¹⁷²Ir(α), (EC) [from ¹⁴⁴Sm(³¹P, 3n), E=150 MeV]; measured Eγ, Iγ, γγ(t), γγ(θ), I(ce), (ce)γ-coin. ¹⁷²Os deduced levels, J, π, ICC, B(λ), branching ratios, configurations, band structure.

doi: 10.1016/0375-9474(94)90005-1
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1994MU18      Phys.Lett. 332B, 265 (1994)

D.Muller, A.Virtanen, R.Julin, S.Juutinen, A.Lampinen, M.Piiparinen, S.Tormanen, F.Christancho, A.P.Byrne, G.D.Dracoulis, B.Fabricius, C.Fahlander, A.Johnson, K.P.Lieb, J.Nyberg, I.Thorslund, R.Wyss

Deformation of Intruder Bands in ¹⁷⁹Ir

NUCLEAR REACTIONS ¹⁴⁶Nd(³⁷Cl, 4n), E=169 MeV; measured γγ-coin, DSA, recoil distance. ¹⁷⁹Ir deduced high-spin levels, J, π, T_1/2, intruder bands features, transition quadrupole moments.

doi: 10.1016/0370-2693(94)91252-1
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1994PO20      Nucl.Phys. A580, 43 (1994)

A.R.Poletti, G.D.Dracoulis, A.P.Byrne, A.E.Stuchbery, B.Fabricius, T.Kibedi, P.M.Davidson

Structure of High-Spin Yrast States in ²⁰⁵Pb and ²⁰⁶Pb

NUCLEAR REACTIONS ²⁰⁴Hg(⁹Be, 4nα), (⁹Be, 3nα), E=55-65 MeV; measured γγ(t), Eγ, Iγ(θ), Iγ(E, t), linear polarization. ^205,206Pb deduced high-spin levels J, π, T_1/2. Enriched target, pulsed beam, Ge hyperpure Compton suppressed detectors, Ge hyperpure detectors in linear polarimeter.

NUCLEAR STRUCTURE ^205,206Pb; calculated levels. Semi-empirical shell model.

doi: 10.1016/0375-9474(94)90814-1
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1994PO21      Nucl.Phys. A580, 64 (1994)

A.R.Poletti, G.D.Dracoulis, A.P.Byrne, A.E.Stuchbery, B.Fabricius, T.Kibedi, P.M.Davidson

Structure of Low-Lying High-Spin States in ²⁰⁴Hg and ²⁰⁵Hg

NUCLEAR REACTIONS ²⁰⁴Hg(⁹Be, ⁹Be'), (⁹Be, 2α), E=55-65 MeV; measured γγ(t), Eγ, Iγ(θ), Iγ(E, t). ^204,205Hg deduced high-spin levels J, π, T_1/2. Enriched target, pulsed beam, Ge hyper-pure Compton suppressed detectors, Ge hyper-pure detectors in linear polarimeter.

NUCLEAR STRUCTURE ^204,205Hg; calculated levels. Semi-empirical shell model.

doi: 10.1016/0375-9474(94)90815-X
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1994ST23      Hyperfine Interactions 88, 97 (1994)

A.E.Stuchbery, T.H.Heseltine, S.S.Anderssen, H.H.Bolotin, A.P.Byrne, B.Fabricius, T.Kibedi

Systematic Measurements of Transient Fields for W, Os and Pt Ions Traversing Fe

NUCLEAR REACTIONS ¹⁸⁴W, ¹⁸⁸Os, ¹⁹⁶Pt(³²S, ³²S'), E=80 MeV; ¹⁸⁴W, ¹⁸⁸Os, ¹⁹⁶Pt(⁵⁸Ni, ⁵⁸Ni'), E=150, 220 MeV; measured γ(beam)-, γ(recoil)-coin; deduced transverse fields for W, Os, Pt ions traversing Fe.

doi: 10.1007/BF02068707
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1994WA05      Nucl.Phys. A568, 397 (1994)

P.M.Walker, G.D.Dracoulis, A.P.Byrne, B.Fabricius, T.Kibedi, A.E.Stuchbery, N.Rowley

Multi-Quasiparticle and Rotational Structures in ¹⁷⁹W: Fermi alignment, the K-selection rule and blocking

NUCLEAR REACTIONS ¹⁷⁰Er(¹³C, 4n), E=67 MeV; measured γγ-coin, γγ-(t), ¹³C-γ(t), γ(θ). ¹⁷⁹W deduced levels, K, J, π, T_1/2, configurations, rotational bands, alignments, g factors. Band-mixing analysis. Blocking calculations.

doi: 10.1016/0375-9474(94)90209-7
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1993BY01      Nucl.Phys. A553, 519c (1993)

A.P.Byrne, G.D.Dracoulis, G.J.Lane, B.Fabricius, T.Kibedi, A.E.Stuchbery, A.M.Baxter, K.Schiffer

Proton-Neutron Interactions in Odd-Odd Nucleus ²¹⁴Fr

NUCLEAR REACTIONS ²⁰⁵Tl(¹³C, 4n), ²⁰⁸Pb(¹¹B, 5n), E not given; measured γγ-coin, γγ(t), γ(θ), σ(Eγ, E). ²¹⁴Fr deduced levels, J, π, band structure.

doi: 10.1016/0375-9474(93)90651-D
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1993DA10      Nucl.Phys. A560, 822 (1993)

P.M.Davidson, G.D.Dracoulis, A.P.Byrne, T.Kibedi, B.Fabricius, A.M.Baxter, A.E.Stuchbery, A.R.Poletti, K.J.Schiffer

Spectroscopy of ²¹¹Rn Approaching the Valence Limit

NUCLEAR REACTIONS ¹⁹⁸Pt(¹⁸O, 5n), E=96 MeV; measured γγ(t), Eγ, Iγ(E, t), I(ce). ²¹¹Rn deduced levels J, π, T_1/2, ICC. Enriched target, pulse beam, Ge hyperpure, Compton-suppressed detectors, Si(Li), superconducting electron spectrometer.

NUCLEAR STRUCTURE ²¹¹Rn; calculated levels, B(λ). Multi-particle octupole-coupling model, shell model.

doi: 10.1016/0375-9474(93)90173-U
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1993DR02      Nucl.Phys. A554, 439 (1993)

G.D.Dracoulis, B.Fabricius, T.Kibedi, A.P.Byrne, A.E.Stuchbery

Intrinsic States and Collective Structures in ¹⁸¹Ir

NUCLEAR REACTIONS ¹⁶⁹Tm(¹⁶O, 4n), (¹⁷O, 5n), E=77-105 MeV; measured γγ(t), γ(θ), γ(t), (ce)(t), pulsed beams. ¹⁸¹Ir deduced levels, J, π, T_1/2, total, subshell ICC. One-, three-quasiparticle states, isomers, configurations, rotational bands, alignments, B(M1)/B(E2) ratios, g(K)-g(R) ratios, transition strengths.

doi: 10.1016/0375-9474(93)90230-U
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1993ST07      Nucl.Phys. A555, 355 (1993)

A.E.Stuchbery, A.P.Byrne, G.D.Dracoulis, B.Fabricius, T.Kibedi

Multiparticle-Octupole Coupling and Magnetic Moments of h_9/2(n) Isomers in N = 126 Isotones

NUCLEAR STRUCTURE ²¹⁰Po, ²¹²Rn, ²¹⁴Ra, ²¹¹At, ²¹³Fr, ²⁰⁹Bi; calculated levels, B(λ), g-factors. Multi-particle octupole coupling.

doi: 10.1016/0375-9474(93)90291-5
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1993ST14      Phys.Lett. 312B, 40 (1993)

A.E.Stuchbery, H.H.Bolotin, F.Brandolini, P.Pavan, S.S.Anderssen, A.P.Byrne, P.M.Davidson, B.Fabricius, G.J.Lane, T.Kibedi

Transient Fields for High-Velocity ²⁴Mg in Fe. No Evidence for Heavy Beam Induced Attenuations

NUCLEAR REACTIONS Fe(²⁴Mg, ²⁴Mg'), E=110 MeV; measured γ(particle)(θ) following Coulomb excitation; deduced Mg transient field in Fe, no attenuation evidence.

doi: 10.1016/0370-2693(93)90483-X
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1992BY03      Nucl.Phys. A548, 131 (1992)

A.P.Byrne, K.Schiffer, G.D.Dracoulis, B.Fabricius, T.Kibedi, A.E.Stuchbery, K.P.Lieb

High-Spin Bandcrossings in ¹²⁹Ba

NUCLEAR REACTIONS ¹²⁰Sn(¹²C, 3n), E=46-56 MeV; ¹¹⁶Cd(¹⁸O, 5n), E=82 MeV; measured Eγ, Iγ, γγ(t), Iγ(t), Iγ(θ), DCO ratios. ¹²⁹Ba deduced levels, J, π, T_1/2, 1-, 3-quasiparticle states, high-K isomer, rotational bands, alignments, B(M1)/B(E2) ratios. Planar Ge detector, Ge detector array, enriched targets. Cranked shell model analysis.

doi: 10.1016/0375-9474(92)90080-4
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1992KI06      Nucl.Phys. A539, 137 (1992)

T.Kibedi, G.D.Dracoulis, B.Fabricius, A.P.Byrne, A.E.Stuchbery

Intrinsic States and Alignments in ¹⁷⁵Re

NUCLEAR REACTIONS ¹⁶¹Dy(¹⁹F, 5n), E=88-112 MeV; measured γγ(t), γ(θ). ¹⁷⁵Re deduced levels, J, π, T_1/2, quasiparticle states, configurations, rotational bands, alignments, B(M1)/B(E2) ratios, (g(K)-g(R)) ratios.

doi: 10.1016/0375-9474(92)90239-G
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1992ST06      Z.Phys. A342, 373 (1992)

A.E.Stuchbery, S.S.Anderssen, H.H.Bolotin, A.P.Byrne, G.D.Dracoulis, B.Fabricius, T.Kibedi

Transient Field Measurements of First-Excited State g-Factors in ^188,190,192Os

NUCLEAR REACTIONS ^188,190,192Os(⁵⁸Ni, ⁵⁸Ni'), E=150 MeV; measured γ(⁵⁸Ni)-coin, (particle)γ(θ), transient field prcessions. ^188,190,192Os levels deduced g-factors. Nuclei traversing thin polarized Fe foil.

doi: 10.1007/BF01294946
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1992ST09      Nucl.Phys. A548, 159 (1992)

A.E.Stuchbery, G.D.Dracoulis, T.Kibedi, A.P.Byrne, B.Fabricius, A.R.Poletti, G.J.Lane, A.M.Baxter

Spectroscopy and Shell Model Interpretation of High-Spin States in the N = 126 Nucleus ²¹⁴Ra

NUCLEAR REACTIONS ²⁰⁶Pb(¹²C, 4n), E=66-84 MeV; ²⁰⁶Pb(¹³C, 5n), E=66-84 MeV; measured γγ(t), (X-ray)γ(t), Eγ, Iγ(θ), I(ce)(t), Iγ(E, t), Iγ(θ, H, t). ²¹⁴Ra deduced levels J, π, T_1/2, g, B(λ), ICC. Enriched targets, pulsed-beam, Ge hyper-pure, planar Ge, Compton suppressed detectors, superconducting solenoidal electron spectrometer, Si(Li) detector.

NUCLEAR STRUCTURE ²¹⁴Ra; calculated levels, B(λ), g. Semi-empirical shell model, octupole coupling.

doi: 10.1016/0375-9474(92)90081-T
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1991DR02      Phys.Lett. 257B, 21 (1991)

G.D.Dracoulis, B.Fabricius, A.P.Byrne, A.E.Stuchbery, A.M.Baxter, K.P.Lieb, K.J.Schiffer, T.Kibedi

Contrasting Behaviour of Proton h_9/2 and h_11/2 Bands in ^{175,177,179,181}Ir Interpreted in an Intruder Model

NUCLEAR REACTIONS ¹⁴⁹Sm(³²S, 3np), E=163 MeV; ¹⁵⁰Sm(³¹P, 4n), E not given; ¹⁴⁷Sm(³²S, 3np), E=150 MeV; ¹⁵²Sm(³¹P, 4n), E=146 MeV; ¹⁶⁹Tm(¹⁶O, 4n), E=91 MeV; measured γ-spectra, γγ(t), γ(X-ray)-coin. ^{175,177,179,181}Ir deduced levels, B(λ) ratios, J, π, band structure.

doi: 10.1016/0370-2693(91)90851-G
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1991DR03      Phys.Rev. C44, R1246 (1991)

G.D.Dracoulis, B.Fabricius, A.E.Stuchbery, A.O.Macchiavelli, W.Korten, F.Azaiez, E.Rubel, M.A.Deleplanque, R.M.Diamond, F.S.Stephens

Shape Coexistence from the Structure of the Yrast Band in ¹⁷⁴Pt

NUCLEAR REACTIONS ¹⁰⁷Ag(⁷⁰Ge, 2np), E=290-303 MeV; ¹⁴⁴Sm(³³S, 3n), E=153 MeV; measured γγ-, γ(X-ray)-coin. ¹⁷⁴Pt deduced levels, J, π, yrast band, shape features. Model comparison.

doi: 10.1103/PhysRevC.44.R1246
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1991DR06      Nucl.Phys. A534, 173 (1991)

G.D.Dracoulis, B.Fabricius, T.Kibedi, A.M.Baxter, A.P.Byrne, K.P.Lieb, A.E.Stuchbery

Spectroscopy of ¹⁷⁵Ir and ¹⁷⁷Ir and Deformation Effects in Odd Iridium Nuclei

NUCLEAR REACTIONS ¹⁴⁹Sm(³²S, 3np), E=163 MeV; ¹⁵⁰Sm(³¹P, 4n), E=148 MeV; ¹⁴⁴Sm(³⁵Cl, 2n2p), E=180 MeV; ¹⁴⁷Sm(³²S, 3np), E=159 MeV; measured γγ-coin, γ(θ), γγ(t). ^177,175Ir deduced levels, J, π, one-quasiparticle states, configurations, rotational bands, alignments, B(M1)/B(E2) ratios. Particle-rotor cranked shell-model analyses, phenomenological three-band mixing.

doi: 10.1016/0375-9474(91)90562-K
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1991FA06      Nucl.Phys. A523, 426 (1991)

B.Fabricius, G.D.Dracoulis, T.Kibedi, A.E.Stuchbery, A.M.Baxter

Multi-Quasi-Particle States in ¹⁷³Hf

NUCLEAR REACTIONS ¹⁶⁰Gd(¹⁸O, 5n), E=88 MeV; measured γγ-coin, γγ(t), γ(θ). ¹⁷³Hf deduced levels, K, J, π, T_1/2, configurations, rotational bands, alignments, g-factors. Model comparison.

doi: 10.1016/0375-9474(91)90011-T
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1991ST01      Z.Phys. A338, 135 (1991)

A.E.Stuchbery, A.G.White, G.D.Dracoulis, K.J.Schiffer, B.Fabricius

Gyromagnetic Ratios of Low-Lying Rotational States in ^156,158,160Gd

NUCLEAR REACTIONS ^156,158,160Gd(⁵⁸Ni, ⁵⁸Ni'), E=160 MeV; measured γ(⁵⁸Ni)-coin, γγ(θ) following Coulomb excitation. ^156,158,160Gd levels deduced g. Transient field precessions.

doi: 10.1007/BF01284786
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1991WA26      Phys.Rev.Lett. 67, 433 (1991)

P.M.Walker, G.D.Dracoulis, A.P.Byrne, B.Fabricius, T.Kibedi, A.E.Stuchbery

Resolution of the ¹⁷⁹W-Isomer Anomaly: Exposure of a Fermi-aligned s band

NUCLEAR REACTIONS ¹⁷⁰Er(¹³C, 4n), E=67 MeV; measured γγ-coin, γγ(t). ¹⁷⁹W deduced levels, J, π, band structure, γ-branching ratios, γ-multipolarity.

doi: 10.1103/PhysRevLett.67.433
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1990BY02      Phys.Rev. C42, R6 (1990)

A.P.Byrne, G.D.Dracoulis, K.J.Schiffer, P.M.Davidson, T.Kibedi, B.Fabricius, A.M.Baxter, A.E.Stuchbery

34 μs Isomer at High Spin in ²¹²Fr: Evidence for a many-particle octupole coupled state

NUCLEAR REACTIONS ²⁰⁵Tl(¹²C, 5n), E=90 MeV; measured γγ-coin. ²¹²Fr deduced levels, B(E3), T_1/2. Hyperpure Ge, LEPS detectors. Multiparticle octupole vibration coupling model.

doi: 10.1103/PhysRevC.42.R6
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1990DR02      Nucl.Phys. A509, 605 (1990)

G.D.Dracoulis, T.Kibedi, A.P.Byrne, B.Fabricius, A.E.Stuchbery

Conversion Coefficients and Yrast State Spins in ¹⁸⁰Os

NUCLEAR REACTIONS ¹⁶⁸Er(¹⁶O, 4n), E=87 MeV; measured Eγ, Iγ, I(ce). ¹⁸⁰Os levels deduced J, π, yrast sequence, ICC. Compton-suppressed Ge detector, superconducting solenoidal electron spectrometer, Si(Li) detector.

doi: 10.1016/0375-9474(90)90093-2
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1990DR03      Nucl.Phys. A510, 533 (1990)

G.D.Dracoulis, B.Fabricius, R.A.Bark, A.E.Stuchbery, D.G.Popescu, T.Kibedi

Intrinsic States and Rotational Bands in ¹⁷⁷Pt

NUCLEAR REACTIONS ¹⁴⁹Sm(³²S, 4n), E=163 MeV; measured γγ-coin, γ(θ), γγ(t). ¹⁷⁷Pt deduced levels, J, π, T_1/2, quasiparticle states, configurations, rotational bands, alignments, B(M1)/B(E2) ratios. Particle-rotor, cranked shell model analyses.

doi: 10.1016/0375-9474(90)90065-T
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1990DR04      Phys.Rev. C41, 2933 (1990)

G.D.Dracoulis, B.Fabricius

Shape Difference Implied by Quenched Coriolis Interaction in ¹⁷⁵Os

NUCLEAR STRUCTURE ¹⁷⁵Os; analyzed γ-branching ratios; deduced effective interactions, shape differences.

doi: 10.1103/PhysRevC.41.2933
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1990DR07      Phys.Lett. 246B, 31 (1990)

G.D.Dracoulis, P.M.Davidson, A.P.Byrne, B.Fabricius, T.Kibedi, A.M.Baxter, A.E.Stuchbery, A.R.Poletti, K.J.Schiffer

High-Spin Yrast Isomers in ²¹¹Rn and ²¹²Rn with Enhanced E3 Decays

NUCLEAR REACTIONS ¹⁹⁸Pt(¹⁸O, 5n), (¹⁸O, 4n), E ≈ 96 MeV; ²⁰⁴Hg(¹³C, 5n), E not given; measured γγ-coin, γγ(t), Iγ(θ). ^211,212Rn deduced levels, J, π, isomers, T_1/2, B(λ), ICC. Multiparticle octupole-vibration coupled model.

doi: 10.1016/0370-2693(90)91303-S
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1990DR12      Nucl.Phys. A520, 353c (1990)

G.D.Dracoulis, P.M.Davidson, A.P.Byrne, B.Fabricius, T.Kibedi, A.M.Baxter, A.E.Stuchbery, A.R.Poletti, K.J.Schiffer

High-Spin Yrast Isomers in ²¹¹Rn and ²¹²Rn with Enhanced E3 Decays

NUCLEAR REACTIONS ¹⁹⁸Pt(¹⁸O, 4n), (¹⁸O, 5n), E=96 MeV; ²⁰⁴Hg(¹³C, 5n), E not given; measured γγ(t), I(ce), Eγ, Iγ. ^211,212Rn deduced levels, J, π, yrast isomers, T_1/2, ICC, B(λ).

doi: 10.1016/0375-9474(90)91159-O
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1990FA02      Nucl.Phys. A511, 345 (1990)

B.Fabricius, G.D.Dracoulis, R.A.Bark, A.E.Stuchbery, T.Kibedi, A.M.Baxter

High-Spin States and Intrinsic Structure in ¹⁷⁴Os and ¹⁷⁵Os: Alignments and strong interaction

NUCLEAR REACTIONS ¹⁵⁰Sm(²⁹Si, xn), E=147 MeV; ¹⁵⁰Sm(²⁸Si, 4n), E=138 MeV; measured γγ-coin, γ(θ), γγ(t). ^174,175Os deduced levels, J, π, T_1/2, configurations, rotational bands, alignments, B(M1)/B(E2) ratios, g-factors. Cranked shell model analyses.

doi: 10.1016/0375-9474(90)90164-H
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1990GJ01      Z.Phys. A337, 353 (1990)

N.L.Gjorup, M.A.Bentley, B.Fabricius, A.Holm, J.F.Sharpey-Schafer, G.Sletten, P.M.Walker

Seven and Nine Quasi-Particle K-Isomers in ¹⁷⁵Hf

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 3n), E=198 MeV; measured γγ-coin. ¹⁷⁵Hf deduced levels, J, π, K-isomers, band structure, configurations.

1990SC21      Z.Phys. A336, 239 (1990)

K.Schiffer, A.P.Byrne, A.M.Baxter, G.D.Dracoulis, B.Fabricius, A.E.Stuchbery

High Spin States in ¹²⁹Ba

NUCLEAR REACTIONS ¹¹⁶Cd(¹⁸O, 5n), E=82, 86 MeV; measured γγ-coin. ¹²⁹Ba deduced levels, J, π, band structure.

1990WA09      Phys.Rev.Lett. 65, 416 (1990)

P.M.Walker, G.Sletten, N.L.Gjorup, M.A.Bentley, J.Borggreen, B.Fabricius, A.Holm, D.Howe, J.Pedersen, J.W.Roberts, J.F.Sharpey-Schafer

High-K Barrier Penetration in ¹⁷⁴Hf: A challenge to K selection

NUCLEAR REACTIONS ¹³⁰Te(⁴⁸Ca, 4n), E ≈ 198 MeV; measured γγ-coin. ¹⁷⁴Hf deduced levels, J, π, isomer decay features, band structure.

doi: 10.1103/PhysRevLett.65.416
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1988CH27      Nucl.Phys. A485, 136 (1988)

P.Chowdhury, B.Fabricius, C.Christensen, F.Azgui, S.Bjornholm, J.Borggreen, A.Holm, J.Pedersen, G.Sletten, M.A.Bentley, D.Howe, A.R.Mokhtar, J.D.Morrison, J.F.Sharpey-Schafer, P.M.Walker, R.M.Lieder

Decay of High-Spin Isomers in Os Nuclei by Barrier Penetration

NUCLEAR REACTIONS ¹⁵⁰Nd(³⁶S, 4n), E=160 MeV; ¹⁷⁰Er(¹⁸O, 4n), E=85 MeV; measured E(γ), I(ce), I(γ), γγ-coin, I(γ)(θ). ^182,184Os deduced levels, J, π, K, g(K), configurations, T_1/2. Ge-multi-array, Compton shields, pulsed beam, recoil technique.

doi: 10.1016/0375-9474(88)90526-X
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