NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = A.H.Nelson

Found 25 matches.

Back to query form

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 T_1/2, 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 T_1/2, 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, T_1/2, 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, T_1/2, 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 ^{124,126,128,130,138}Ce; 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, T_1/2, 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 T_1/2, 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, T_1/2, 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 T_1/2, 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