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NSR database version of April 29, 2024.

Search: Author = S.S.Anderssen

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2000ST06      Nucl.Phys. A669, 27 (2000)

A.E.Stuchbery, S.S.Anderssen, H.H.Bolotin

Magnetic Moments in the 1/2^-[521] Ground-State Band of ¹⁷¹Yb and Coriolis-Induced Renormalization of Rotational g-Factor in Odd-A Rare-Earth Nuclei

NUCLEAR REACTIONS ^171,172Yb(⁵⁸Ni, ⁵⁸Ni'), E=170, 220 MeV; measured Eγ, Iγ(θ, H, T) in thin polarized Gd, γγ-, (particle)γ-coin following Coulomb excitation. ¹⁷¹Yb levels deduced g-factors, δ, total branching ratios. Thin-foil transient-field IMPAC technique. Particle-rotor model calculations.

doi: 10.1016/S0375-9474(99)00739-3
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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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1998BR33      Eur.Phys.J. A 3, 129 (1998)

F.Brandolini, N.H.Medina, A.E.Stuchbery, S.S.Anderssen, H.H.Bolotin, D.Bazzacco, D.De Acuna, M.De Poli, R.Menegazzo, P.Pavan, C.Rossi Alvarez, G.Vedovato

G-Factor of the First 2⁺ State in ¹⁸⁰Pt

RADIOACTIVITY ¹⁸⁰Au(β⁺) [from ¹⁴⁹Sm(³⁵Cl, 4n), E=168 MeV]; measured Eγ, Iγ, γγ(θ, H, t). ¹⁸⁰Pt level deduced g-factor. Implantation-decay technique, GASP array. Systematics of Pt isotopes discussed.

doi: 10.1007/s100500050158
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1996ST12      Phys.Rev.Lett. 76, 2246 (1996)

A.E.Stuchbery, S.S.Anderssen, A.P.Byrne, P.M.Davidson, G.D.Dracoulis, G.J.Lane

Measured Magnetic Moments and Shape Coexistence in the Neutron-Deficient Nuclei ^184,186,188Pt

NUCLEAR REACTIONS ¹⁸¹Ta(¹⁶O, 5n), E=100 MeV; ¹⁷⁰Er(²⁵Mg, 5n), ¹⁶⁵Ho, ¹⁶⁹Tm(²⁴Mg, 5n), E=128 MeV; ¹⁷³Yb(¹⁹F, 6n), E=112 MeV; measured γγ(θ, H, t), Eγ, Iγ following residuals decay.

RADIOACTIVITY ¹⁹²Tl(β⁺) [from ¹⁸¹Ta(¹⁶O, 5n), E=100 MeV]; ¹⁹⁰Hg(β⁺) [from ¹⁷⁰Er(²⁵Mg, 5n), E=128 MeV]; ¹⁸⁸Tl(β⁺) [from ¹⁶⁹Tm(²⁴Mg, 5n), E=128 MeV]; ¹⁸⁶Au(β⁺) [from ¹⁷³Yb(¹⁹F, 6n), E=112 MeV]; ¹⁸⁴Au(β⁺) [from ¹⁶⁵Ho(²⁴Mg, 5n), E=128 MeV]; measured γγ(θ, H, t), Eγ, Iγ. ^{192,188,186,184}Pt levels deduced g factors, precession angles. Novel implantation-decay technique.

doi: 10.1103/PhysRevLett.76.2246
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1996ST22      Hyperfine Interactions 97/98, 479 (1996)

A.E.Stuchbery, S.S.Anderssen, E.Bezakova

IMPAC In-Beam and Out-of-Beam; g-Factors and pre-equilibrium effects following ion-implantation

NUCLEAR REACTIONS ^188,190,192Os, ^194,196,198Pt(¹⁶O, ¹⁶O'), E=36 MeV; ^194,196,198Pt(²⁸Si, ²⁸Si'), E=60 MeV; ^194,196,198Pt(³⁴S, ³⁴S'), E=80 MeV; ^188,190,192Os(³²S, ³²S'), E=80 MeV; ^191,193Ir(⁵⁸Ni, ⁵⁸Ni'), E=155, 180 MeV; measured γγ(θ, H), implanted recoil nuclei. ^191,193Ir, ^188,190,192Os levels deduced g factors.

doi: 10.1007/BF02150191
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1995AN15      Nucl.Phys. A593, 212 (1995)

S.S.Anderssen, A.E.Stuchbery, S.Kuyucak

Measured Magnetic Moments of 2⁺₁ States in ^190-198Pt and Interacting Boson Model Description of M1 Systematics in the Platinum Isotopes

NUCLEAR REACTIONS ^{190,192,194,196,198}Pt(⁵⁸Ni, ⁵⁸Ni'), E=160 MeV; measured γ(θ, H, T) in thin polarized Gd, (particle)γ-coin, Coulomb excitation. ^{190,192,194,196,198}Pt levels deduced g-factors. ¹⁹⁰Pt levels deduced B(E2;0⁺₁ → 2⁺₁). Enriched target, thin-foil transient-field IMPAC technique.

NUCLEAR STRUCTURE ^{190,192,194,196,198}Pt; calculated levels, B(E2), B(M1), δ, g. Proton-neutron interacting boson model (IBM-2), F-spin symmetry breaking.

doi: 10.1016/0375-9474(95)00350-A
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1995AN26      Hyperfine Interactions 96, 1 (1995)

S.S.Anderssen, A.E.Stuchbery

Measured Static Hyperfine Masgnetic Fields following Implantation of Pt into Fe Interpreted as Evidence for Pre-Equilibrium Effects

NUCLEAR REACTIONS ^194,196,198Pt(¹⁶O, ¹⁶O'), E=36 MeV; ^194,196,198Pt(²⁸Si, ²⁸Si'), E=60 MeV; ^194,196,198Pt(³⁴S, ³⁴S'), E=80 MeV; measured γ(particle)(θ) following Coulomb excitation, γγ(θ, H) in some cases; deduced static hyperfine magnetic field at Pt nuclei implanted in ferromagnetic Fe, preequilibrium effects evidence.

doi: 10.1007/BF02066268
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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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1995RE15      Nucl.Phys. A591, 533 (1995)

P.H.Regan, A.E.Stuchbery, S.S.Anderssen

Measurement of the g-Factor of the Yrast 10⁺ State in ¹¹⁰Cd

NUCLEAR REACTIONS ¹⁰⁰Mo(¹³C, 3n), E=45 MeV; measured γ(θ, H, T) in polarized Gd. ¹¹⁰Cd levels deduced g-factors. ¹⁰⁰Mo(¹²C, 5n), E=65 MeV; measured γ(θ, H, t) in polarized Gd. ¹⁰⁷Cd levels deduced T_1/2. ^194,196Pt(¹⁶O, ¹⁶O'), E=40 MeV; measured (particle)γ-coin, Coulomb excitation, γ(θ, H, T) in polarized Gd. Ion-implanation perturbed angular distribution, time differential perturbed angular distribution.

doi: 10.1016/0375-9474(95)00214-L
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1995ST02      Phys.Rev. C51, 1017 (1995)

A.E.Stuchbery, S.S.Anderssen

Measured Static Hyperfine Magnetic Field for Pt in Gd

NUCLEAR REACTIONS ^194,196,198Pt(¹⁶O, ¹⁶O'), E=36 MeV; measured γ(θ, H, T) in polarized Gd, (particle)(γ)-coin following Coulomb excitation; deduced static hyperfine magnetic field for Pt in Gd at 92K. IMPAC technique.

doi: 10.1103/PhysRevC.51.1017
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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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1994RE03      Nucl.Phys. A567, 414 (1994)

P.H.Regan, P.M.Walker, G.D.Dracoulis, S.S.Anderssen, A.P.Byrne, P.M.Davidson, T.Kibedi, G.J.Lane, A.E.Stuchbery, K.C.Yeung

Yrast Four-Quasi-Particle States in ¹⁸²W

NUCLEAR REACTIONS ¹⁷⁶Yb(¹³C, 3nα), E=65 MeV; ¹⁷⁶Yb(⁹Be, 3n), E=40 MeV; measured γγ(t), Eγ, Iγ. ¹⁸²W deduced levels J, π, T_1/2, (g(K)-g(R))/Q₀. Enriched targets, pulsed-beam, hyperpure Ge Compton-suppressed detectors. Model comparison.

doi: 10.1016/0375-9474(94)90156-2
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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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1993RE13      J.Phys.(London) G19, L157 (1993)

P.H.Regan, G.D.Dracoulis, G.J.Lane, P.M.Walker, S.S.Anderssen, A.P.Byrne, P.M.Davidson, T.Kibedi, A.E.Stuchbery, K.C.Yeung

Anomalous Band-Crossings in the N = 57 Isotones ¹⁰³Pd and ¹⁰⁵Cd

NUCLEAR REACTIONS ⁹⁴Zr(¹⁶O, 3nα), (¹⁶O, 5n), E=92 MeV; measured γγ-coin. ¹⁰³Pd, ¹⁰⁵Cd deduced levels, J, π, configuration, band structure, alignments. Cranked shell model comparison.

doi: 10.1088/0954-3899/19/11/002
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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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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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