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NSR database version of May 23, 2024.

Search: Author = A.H.Nelson

Found 25 matches.

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1992LI22      Nucl.Phys. A550, 365 (1992)

F.Liden, B.Cederwall, P.Ahonen, D.W.Banes, B.Fant, J.Gascon, L.Hildingsson, A.Johnson, S.Juutinen, A.Kirwan, D.J.G.Love, S.Mitarai, J.Mukai, A.H.Nelson, J.Nyberg, J.Simpson, R.Wyss

Alignment Processes in 119Cs, 121Cs and 123Cs

NUCLEAR REACTIONS 106Cd(19F, xn2p), E=95 MeV; 92Mo(34S, xn3p), (34S, xnpα), E=150, 155 MeV; 92Mo(32S, 3p), (32S, pα), E=145 MeV; measured Eγ, Iγ, σ(Eγ, θ), (particle)γγ-coin. 119,121,123Cs deduced levels, J, π, band structure experimental Routhians, aligned angular momenta. Enriched targets, array of Compton-suppressed hyperpure Ge detectors, 4π array of plastic phoswich charged-particle detectors, 4π bismuth-germanate ball, neutron-detector array, 4π array of Si charged-particle detectors. Band-head, total-routhian-surface calculations.

doi: 10.1016/0375-9474(92)90687-F
Citations: PlumX Metrics


1991BE12      J.Phys.(London) G17, 481 (1991)

M.A.Bentley, A.Alderson, G.C.Ball, H.W.Cranmer-Gordon, P.Fallon, B.Fant, P.D.Forsyth, B.Herskind, D.Howe, C.A.Kalfas, A.R.Mokhtar, J.D.Morrison, A.H.Nelson, B.M.Nyako, K.Schiffer, J.F.Sharpey-Schafer, J.Simpson, G.Sletten, P.J.Twin

Gamma-Ray Spectroscopy of Superdeformed States in the Nucleus 152Dy

NUCLEAR REACTIONS 108Pd(48Ca, 4n), E=205 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), DSA. 152Dy deduced levels, J, π, superdeformed band, intrinsic T1/2, quadrupole moment. Microscopic structure, Nilsson, Woods-Saxon models comparison, Monte Carlo simulations.

doi: 10.1088/0954-3899/17/4/009
Citations: PlumX Metrics


1989LO05      Nucl.Instrum.Methods Phys.Res. A274, 541 (1989)

D.J.G.Love, A.H.Nelson

Unfolding the Response Function of High-Quality Germanium Detectors

NUCLEAR REACTIONS 98Mo(36S, 4n), E=155 MeV; measured E(γ), I(γ).

RADIOACTIVITY 137Cs, 88Y, 207Bi, 24Na, 60Co; measured E(γ), I(γ), γγ-coin.; deduced detector response function.

doi: 10.1016/0168-9002(89)90188-5
Citations: PlumX Metrics


1989WY02      Nucl.Phys. A503, 244 (1989)

R.Wyss, F.Liden, J.Nyberg, A.Johnson, D.J.G.Love, A.H.Nelson, D.W.Banes, J.Simpson, A.Kirwan, R.Bengtsson

Spectroscopy of 123La and Configuration Dependent Proton Pairing

NUCLEAR REACTIONS 92Mo(34S, 2np), E=150, 155 MeV; 52Cr(74Se, 2np), E=290 MeV; measured Eγ, Iγ, σ(Eγ, θ), γγ-, γ(residue)-coin. 123La deduced levels, J, π, band structure, experimental routhians, aligned angular momentum. Enriched targets, Ge detectors, array of anti-Compton spectrometer, 4π bismuth germanate ball.

doi: 10.1016/0375-9474(89)90263-7
Citations: PlumX Metrics


1988BI02      J.Phys.(London) G14, L77 (1988)

C.R.Bingham, L.L.Riedinger, L.H.Courtney, Z.M.Liu, A.J.Larabee, M.Craycraft, D.J.G.Love, P.J.Nolan, A.Kirwan, D.Thornley, P.Bishop, A.H.Nelson, M.A.Riley, J.C.Waddington

Three Band Crossings in the Yrast Structure of 162Hf

NUCLEAR REACTIONS 116Sn(48Ti, 2n), E=230 MeV; measured γ-spectra, asymmetry, γγ-coin. 162Hf deduced levels, J, π, band structure.

doi: 10.1088/0305-4616/14/1/011
Citations: PlumX Metrics


1988RI09      Nucl.Phys. A486, 456 (1988)

M.A.Riley, J.Simpson, J.F.Sharpey-Schafer, J.R.Cresswell, H.W.Cranmer-Gordon, P.D.Forsyth, D.Howe, A.H.Nelson, P.J.Nolan, P.J.Smith, N.J.Ward, J.C.Lisle, E.Paul, P.M.Walker

Near Yrast Discrete Line Gamma-Ray Spectroscopy in 156Dy up to Spin 40(h-bar)

NUCLEAR REACTIONS 148Nd(12C, 4n), E=65 MeV; measured E(γ), γγ-coin, I(γ)(θ). 124Sn(36S, 4n), E=155 MeV; measured E(γ), γγ-coin, I(γ)(30°)/I(γ)(90°). 156Dy deduced levels, I(γ), J, π, rotational band characteristics. Enriched targets, Ge(Li)-NaI(Tl) and Ge-NaI(Tl) escape-suppressed detectors, bismuth germanate crystal ball. Cranked-shell model calculations.

doi: 10.1016/0375-9474(88)90246-1
Citations: PlumX Metrics


1988WY02      Z.Phys. A330, 123 (1988)

R.Wyss, F.Liden, J.Nyberg, A.Johnson, D.J.G.Love, A.H.Nelson, D.W.Banes, J.Simpson, A.Kirwan, R.Bengtsson

High Spin Spectroscopy of 123Ba and Alignment Processes for A ≈ 120

NUCLEAR REACTIONS 94Mo(32S, n2p), E=150, 155 MeV; measured γγ-coin. 74Se(52Cr, n2p), E=290 MeV; measured not given. 123Ba deduced levels, J, π, Nilsson configutation, band structure.


1987BE41      Phys.Rev.Lett. 59, 2141 (1987)

M.A.Bentley, G.C.Ball, H.W.Cranmer-Gordon, P.D.Forsyth, D.Howe, A.R.Mokhtar, J.D.Morrison, J.F.Sharpey-Schafer, P.J.Twin, B.Fant, C.A.Kalfas, A.H.Nelson, J.Simpson, G.Sletten

Intrinsic Quadrupole Moment of the Superdeformed Band in 152Dy

NUCLEAR REACTIONS 108Pd(48Ca, 4n), E=205 MeV; measured Eγ, Iγ, DSA. 152Dy deduced levels, J, effective T1/2, band characteristics, superdeformed quadrupole moment, moment of inertia.

doi: 10.1103/PhysRevLett.59.2141
Citations: PlumX Metrics


1987GO26      J.Phys.(London) G13, 1165 (1987)

M.J.Godfrey, P.J.Bishop, A.Kirwan, P.J.Nolan, D.J.Thornley, D.J.Unwin, D.J.G.Love, A.H.Nelson

Energy Levels in 131Pr

NUCLEAR REACTIONS 98Mo(37Cl, 4n), E=145 MeV; measured Eγ, Iγ, γγ-coin. 131Pr deduced levels, J, π, yrast band characteristics, γ branching ratios. Ge, bismuth germanate detectors. Cranked shell model.

doi: 10.1088/0305-4616/13/9/016
Citations: PlumX Metrics


1987KI02      Phys.Rev.Lett. 58, 467 (1987)

A.J.Kirwan, G.C.Ball, P.J.Bishop, M.J.Godfrey, P.J.Nolan, D.J.Thornley, D.J.G.Love, A.H.Nelson

Mean-Lifetime Measurements within the Superdeformed Second Minimum in 132Ce

NUCLEAR REACTIONS 100Mo(36S, 4n), E=150 MeV; measured Eγ, Iγ, DSA. 132Ce deduced levels, J, π, rotational band structure, T1/2, deformation, superdeformation. Bismuth germanate detectors.

RADIOACTIVITY 132Ce(EC) [from 100Mo(36S, 4n), E=150 MeV]; measured Eγ, Iγ, DSA. 132Ce deduced levels, J, π, rotational band structure, T1/2, deformation, superdeformation. Bismuth germanate detectors.

doi: 10.1103/PhysRevLett.58.467
Citations: PlumX Metrics


1987NO07      J.Phys.(London) G13, 1555 (1987)

P.J.Nolan, R.Aryaeinejad, P.J.Bishop, M.J.Godfrey, A.Kirwan, D.J.G.Love, A.H.Nelson, D.J.Thornley, D.J.Unwin

Signature Splitting in 128La and 130La

NUCLEAR REACTIONS 115In(16O, 3n), (18O, 3n), E=65-80 MeV; measured Eγ, Iγ, Iγ(θ), σ(Eγ, E). 98Mo(37Cl, 3nα), E=145 MeV; 98Mo(36S, 3np), E=150 MeV; measured γγ-coin. 130La deduced levels, γ-multipolarity, γ-branching ratio, B(λ) ratio. 128La deduced levels, γ-branching ratio, B(λ) ratios, γ-multipolarity, δ. Enriched targets, Ge detectors, NaI(Tl) suppression shields, BGO sum energy-multiplicity filter.

doi: 10.1088/0305-4616/13/12/013
Citations: PlumX Metrics


1986LO09      Phys.Rev.Lett. 57, 551 (1986)

D.J.G.Love, P.J.Bishop, A.Kirwan, P.J.Nolan, D.J.Thornley, A.H.Nelson, P.J.Twin

Entrance- and Exit-Channel Effects and the Suppression of Neutron Emission from 64Ni + 92Zr → 156Er

NUCLEAR REACTIONS 92Zr(64Ni, xn), E=236 MeV; measured Eγ, Iγ for x=1, 2, 3; deduced entrance, exit channel effects. 156Er deduced neutron emission characteristics.

doi: 10.1103/PhysRevLett.57.551
Citations: PlumX Metrics


1986TW01      Phys.Rev.Lett. 57, 811 (1986)

P.J.Twin, B.M.Nyako, A.H.Nelson, J.Simpson, M.A.Bentley, H.W.Cranmer-Gordon, P.D.Forsyth, D.Howe, A.R.Mokhtar, J.D.Morrison, J.F.Sharpey-Schafer, G.Sletten

Observation of Discrete-Line Superdeformed Band up to 60(h-bar) in 152Dy

NUCLEAR REACTIONS 108Pd(48Ca, 4n), E=205 MeV; measured Eγ, Iγ, γγ-energy correlation, γγ-coin. 152Dy deduced levels, J, π, γ-branching, yrast sequence, band structure, deformation, superdeformation characteristics.

doi: 10.1103/PhysRevLett.57.811
Citations: PlumX Metrics


1986YI01      J.Phys.(London) G12, L211 (1986)

K.L.Ying, P.J.Bishop, A.N.James, A.J.Kirwan, D.J.G.Love, T.P.Morrison, P.J.Nolan, D.C.B.Watson, K.A.Connell, A.H.Nelson, J.Simpson

Experimental Investigation of the Structure of 124Ce

NUCLEAR STRUCTURE 124,126,128,130,138Ce; calculated deformation, potential energy surfaces.

NUCLEAR REACTIONS 54Fe(74Se, 2n2p), E=300 MeV; measured Eγ, Iγ, γγ-, γ(residue)-coin. 124Ce deduced transitions, possible level J, π, deformation.

doi: 10.1088/0305-4616/12/9/004
Citations: PlumX Metrics


1985LI13      Phys.Rev.Lett. 55, 810 (1985)

C.J.Lister, B.J.Varley, R.Moscrop, W.Gelletly, P.J.Nolan, D.J.G.Love, P.J.Bishop, A.Kirwan, D.J.Thornley, L.Ying, R.Wadsworth, J.M.O'Donnell, H.G.Price, A.H.Nelson

Deformation of very Light Rare-Earth Nuclei

NUCLEAR REACTIONS 92Mo(40Ca, 2n2p), (40Ca, 2pα), E=147-200 MeV; 96Mo(40Ca, 2n2p), E=175 MeV; 96Ru(40Ca, 4p), (40Ca, 2pα), E=150-200 MeV; 92Mo(46Ti, 2n2p), (46Ti, 2pα), E=205, 210 MeV; 92Mo(50Cr, 2n2p), (50Cr, 2pα), (50Cr, 4p), E=220, 230 MeV; 94Mo(50Cr, 2n2p), E=230 MeV; measured (particle)(particle)-, γγ-, (particle)γγ-coin. 134,136Sm, 138,140Gd, 128,130,132Nd, 126Ce deduced levels, J, π, transition energies, deformation systematics, band structure.

doi: 10.1103/PhysRevLett.55.810
Citations: PlumX Metrics


1985LO06      Phys.Rev.Lett. 54, 1361 (1985)

D.J.G.Love, A.H.Nelson, P.J.Nolan, P.J.Twin

Measurement of In-Band Transition Probabilities at High Spin

NUCLEAR REACTIONS 98Mo(36S, 4n), E=155 MeV; measured γγ-energy correlation. 130Ce deduced inband stretched E2 transition average probability.

doi: 10.1103/PhysRevLett.54.1361
Citations: PlumX Metrics


1985NO02      J.Phys.(London) G11, L17 (1985)

P.J.Nolan, A.Kirwan, D.J.G.Love, A.H.Nelson, D.J.Unwin, P.J.Twin

A Shape Change along the Yrast Line in 132Ce

NUCLEAR REACTIONS 100Mo(36S, 4n), E=150 MeV; measured γγ-coin, Eγ, Iγ. 132Ce deduced levels, yrast, rotational bands, J, π, γ-branching, shape change.

doi: 10.1088/0305-4616/11/1/004
Citations: PlumX Metrics


1985NO04      Phys.Rev.Lett. 54, 2211 (1985)

P.J.Nolan, D.J.G.Love, A.Kirwan, D.J.Unwin, A.H.Nelson, P.J.Twin, J.D.Garrett

High Angular Momentum Components in the Subbarrier Fusion of Heavy Ions

NUCLEAR REACTIONS 80Se(80Se, xn), E=225-310 MeV; measured γγ-coin, γ-multiplicity for x=2, 3, 4; deduced fusion σ vs L.

doi: 10.1103/PhysRevLett.54.2211
Citations: PlumX Metrics


1985SM07      J.Phys.(London) G11, 1271 (1985)

P.J.Smith, D.J.Unwin, A.Kirwan, D.J.G.Love, A.H.Nelson, P.J.Nolan, D.M.Todd, P.J.Twin

High-Spin Structures in 127La and 129La

NUCLEAR REACTIONS 115In(16O, 4n), E=85 MeV; 98Mo(36S, 4np), E=155 MeV; measured Eγ, Iγ(θ), γγ-coin, DSA, linear polarization, recoil. 127La deduced levels, J, π, T1/2, band crossing, B(λ), spin alignments, Routhians. 129La deduced levels, band crossings, spin alignments, Routhians. Ge detectors, escape suppression shields, bismuth germanate sum-energy multiplicity detector, enriched target. Cranked shell model.

doi: 10.1088/0305-4616/11/11/011
Citations: PlumX Metrics


1985TW01      Phys.Rev.Lett. 55, 1380 (1985)

P.J.Twin, A.H.Nelson, B.M.Nyako, D.Howe, H.W.Cranmer-Gordon, D.Elenkov, P.D.Forsyth, J.K.Jabber, J.F.Sharpey-Schafer, J.Simpson, G.Sletten

Collectivity of the Superdeformed Bands in 152Dy

NUCLEAR REACTIONS 108Pd(48Ca, 4n), E=210 MeV; measured γγ-energy correlation. 152Dy deduced rotational band transition T1/2, collectivity, superdeformed prolate shape.

doi: 10.1103/PhysRevLett.55.1380
Citations: PlumX Metrics


1984AR13      J.Phys.(London) G10, 955 (1984)

R.Aryaeinejad, D.J.G.Love, A.H.Nelson, P.J.Nolan, P.J.Smith, D.M.Todd, P.J.Twin

Band Crossing and Triaxiality in 129Ce

NUCLEAR REACTIONS 116Sn(16O, 3n), 117Sn(16O, 4n), E=73-85 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 129Ce deduced levels, J, π, γ-branching, δ(E2/M1), band structure, (g(k)-g(R)/Q0) vs rotational frequency, shape characteristics. Escape suppression shields, enriched target. Cranked shell model comparison.

doi: 10.1088/0305-4616/10/7/011
Citations: PlumX Metrics


1984TO10      J.Phys.(London) G10, 1407 (1984)

D.M.Todd, R.Aryaeinejad, D.J.G.Love, A.H.Nelson, P.J.Nolan, P.J.Smith, P.J.Twin

Rotational Band Structures and Lifetime Measurements in 130Ce

NUCLEAR REACTIONS 116,118Sn(18O, 4n), E=82 MeV; 117Sn(16O, 3n), E=75.5 MeV; measured Eγ, Iγ(θ), γγ-coin, γγ(t), DSA, recoil. 130Ce deduced levels, J, π, δ, γ-branching, T1/2, band crossings, spin alignments, γ-multipolarity, B(E2). Enriched targets, Ge detectors, escape suppression shields. Cranked shell model comparison.

doi: 10.1088/0305-4616/10/10/012
Citations: PlumX Metrics


1984TW01      Nuovo Cim. 81A, 219 (1984)

P.J.Twin, P.J.Nolan, R.Aryaeinejad, D.J.G.Love, A.H.Nelson, A.Kirwan

First Experiments with TESSA at Daresbury

NUCLEAR REACTIONS 100Mo(34S, 4n), E=150 MeV; measured γγ-coin, γγ-energy correlation. 130Ce deduced levels, J, π. Total energy suppression shield array.

doi: 10.1007/BF02724166
Citations: PlumX Metrics


1983NO07      Phys.Lett. 128B, 285 (1983)

P.J.Nolan, R.Aryaeinejad, A.H.Nelson, D.J.G.Love, D.M.Todd, P.J.Twin

The Moment of Inertia of 130Ce above Spin 30(h-bar)

NUCLEAR REACTIONS 100Mo(34S, 4n), E=150 MeV; measured γγ-coin, Eγ, Iγ. 130Ce deduced levels, J, π, yrast, isomer band transitions, rotational band structure, neutron alignment, moment of inertia. Cranked shell model comparison.

doi: 10.1016/0370-2693(83)90261-7
Citations: PlumX Metrics


1983NO09      Phys.Scr. T5, 153 (1983)

P.J.Nolan, R.Aryaeinejad, D.J.G.Love, A.H.Nelson, P.J.Smith, D.M.Todd, P.J.Twin, J.D.Garrett, G.B.Hagemann, B.Herskind

Electromagnetic Transitions in 130Ce

NUCLEAR REACTIONS 118Sn(16O, 4n), E=85 MeV; 117Sn(16O, 3n), E=75 MeV; measured γγ-coin, DSA, recoil. 130Ce deduced levels, J, π, yrast state T1/2, γ-branching, B(E2), B(M1)/B(E2) ratio for isomer band, (γ) deformation.

doi: 10.1088/0031-8949/1983/T5/028
Citations: PlumX Metrics


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