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NSR database version of May 24, 2024.

Search: Author = R.W.Laird

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2007CA25      Phys.Rev. C 75, 064314 (2007)

D.B.Campbell, R.W.Laird, M.A.Riley, J.Simpson, F.G.Kondev, D.J.Hartley, R.V.F.Janssens, T.B.Brown, M.P.Carpenter, P.Fallon, S.M.Fischer, T.Lauritsen, D.Nisius, I.Ragnarsson

Rotational structures and their evolution with spin in 152Gd

NUCLEAR REACTIONS 124Sn(36S, 4nα)152Gd, e=175 MeV; measured Eγ, Iγ, γγ-coinc using the Gammasphere. 152Gd deduced levels, J, π. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064314
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2006RI13      Phys.Scr. T125, 123 (2006)

M.A.Riley, M.K.Djongolov, A.O.Evans, D.J.Hartley, R.V.F.Janssens, E.S.Paul, A.Pipidis, J.Simpson, A.A.Aguilar, D.E.Appelbe, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, P.T.W.Choy, R.M.Clark, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, A.Gorgen, G.B.Hagemann, D.T.Joss, J.Goon, R.A.Kaye, T.L.Khoo, F.G.Kondev, R.W.Laird, K.Lagergren, T.Lauritsen, A.O.Macchiavelli, B.McClain, E.F.Moore, G.Mukherjee, E.Ngijoi-Yogo, P.J.Nolan, H.I.Park, L.L.Riedinger, G.Sletten, S.K.Tandel, P.M.Walker, D.Ward, I.Ragnarsson, F.Saric, J.Zhang

Observation of states beyond band termination in 156, 157, 158Er and strongly deformed structures in 173, 174, 175Hf

NUCLEAR REACTIONS 114Cd(48Ca, 4n), (48Ca, 5n), (48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 156,157,158Er deduced high-spin levels, states above band termination. Gammasphere array.

NUCLEAR STRUCTURE 173,174,175Hf; analyzed data; deduced superdeformed bands features.

doi: 10.1088/0031-8949/2006/T125/028
Citations: PlumX Metrics


2005HA05      Phys.Lett. B 608, 31 (2005)

D.J.Hartley, M.K.Djongolov, L.L.Riedinger, G.B.Hagemann, R.V.F.Janssens, F.G.Kondev, E.F.Moore, M.A.Riley, A.Aguilar, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, J.Goon, R.A.Kaye, T.L.Khoo, R.W.Laird, T.Lauritsen, A.O.Macchiavelli, B.McClain, G.Mukherjee, E.Ngijoi-Yogo, H.I.Park, G.Sletten, S.K.Tandel, P.M.Walker, J.-Y.Zhang

Wobbling excitations in strongly deformed Hf nuclei?

NUCLEAR REACTIONS 130Te(48Ca, 4n), (48Ca, 5n), E=200, 205 MeV; measured Eγ, Iγ, γγ-coin, DSA. 174Hf deduced superdeformed bands transitions, T1/2, quadrupole moments. 173Hf deduced superdeformed band transitions. Gammasphere array, comparisons with model predictions.

doi: 10.1016/j.physletb.2005.01.007
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2005PI21      Phys.Rev. C 72, 064307 (2005)

A.Pipidis, M.A.Riley, J.Simpson, R.V.F.Janssens, F.G.Kondev, D.E.Appelbe, A.P.Bagshaw, M.A.Bentley, T.B.Brown, M.P.Carpenter, D.M.Cullen, D.B.Campbell, P.J.Dagnall, P.Fallon, S.M.Fischer, G.B.Hagemann, D.J.Hartley, K.Lagergren, R.W.Laird, T.Lauritsen, J.C.Lisle, D.Nisius, S.L.Shepherd, A.G.Smith, S.Tormanen, I.Ragnarsson

Structural behavior of 157, 158, 159Dy in the I=30-50 (h-bar) spin regime

NUCLEAR REACTIONS 124Sn(36S, 3n), E=165 MeV; 130Te(36S, 3nα), (36S, 4nα), (34S, 3nα), E=170 MeV; measured Eγ, Iγ, γγ-coin. 157,158,159Dy deduced high-spin levels, J, π, configurations. Gammasphere, Euroball arrays.

doi: 10.1103/PhysRevC.72.064307
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2005RI16      J.Phys.(London) G31, S1735 (2005)

M.A.Riley, M.K.Djongolov, A.O.Evans, D.J.Hartley, R.V.F.Janssens, E.S.Paul, J.Simpson, A.A.Aguilar, D.E.Appelbe, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, P.T.W.Choy, R.M.Clark, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, A.Gorgen, G.B.Hagemann, D.T.Joss, J.Goon, R.A.Kaye, T.L.Khoo, F.G.Kondev, R.W.Laird, K.Lagergren, T.Lauritsen, A.O.Macchiavelli, B.McClain, E.F.Moore, G.Mukherjee, E.Ngijoi-Yogo, P.J.Nolan, H.I.Park, A.Pipidis, L.L.Riedinger, G.Sletten, S.K.Tandel, P.M.Walker, D.Ward, I.Ragnarsson, F.Saric, J.Zhang

Beyond band termination in 157Er and the search for wobbling excitations in strongly deformed 174Hf

NUCLEAR REACTIONS 114Cd(48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 157Er deduced high-spin levels, J, π, band termination features. Gammasphere array.

NUCLEAR STRUCTURE 173,174Hf; analyzed superdeformed band transitions fractional Doppler shifts, transition quadrupole moments.

doi: 10.1088/0954-3899/31/10/064
Citations: PlumX Metrics


2002CU04      Phys.Rev. C66, 024315 (2002)

N.Curtis, D.D.Caussyn, C.Chandler, M.W.Cooper, N.R.Fletcher, R.W.Laird, J.Pavan

Evidence for a molecular rotational band in the 14C + α decay of 18O and the α decay of 22Ne

NUCLEAR REACTIONS 14C(18O, α14C), (18O, α18O), E=102 MeV; measured particle spectra, angular correlations. 18O deduced levels, J, π, molecular rotational band. 22Ne deduced α-decay features.

doi: 10.1103/PhysRevC.66.024315
Citations: PlumX Metrics


2002LA09      Phys.Rev.Lett. 88, 152501 (2002)

R.W.Laird, F.G.Kondev, M.A.Riley, D.E.Archer, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, D.J.Hartley, I.M.Hibbert, D.T.Joss, D.R.LaFosse, P.J.Nolan, N.J.O'Brien, E.S.Paul, J.Pfohl, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth, M.T.Matev, A.V.Afanasjev, J.Dobaczewski, G.A.Lalazissis, W.Nazarewicz, W.Satula

Quadrupole Moments of Highly Deformed Structures in the A ∼ 135 Region: Probing the single-particle motion in a rotating potential

NUCLEAR REACTIONS 105Pd(35Cl, xnypzα), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 130,131,132Pr, 133,135Nd, 133,134,136Pm, 135,137Sm deduced rotational bands transition quadrupole moments, additivity of single-particle moments. Cranked Skyrme-Hartree-Fock and cranked relativistic mean field calculations. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevLett.88.152501
Citations: PlumX Metrics


2002SH09      Phys.Rev. C65, 034320 (2002)

S.L.Shepherd, J.Simpson, A.Dewald, P.Petkov, P.J.Nolan, M.A.Riley, A.J.Boston, T.B.Brown, R.M.Clark, P.Fallon, D.J.Hartley, S.Kasemann, R.Krucken, P.von Brentano, R.W.Laird, E.S.Paul, R.Peusquens

High Precision Quadrupole Moment Measurements of States up to I = 20(h-bar) in the Yrast Band of 158Er

NUCLEAR REACTIONS 122Sn(40Ar, 4n), E=185 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 158Er levels deduced T1/2, B(E2), transition quadrupole moments. Gammasphere array, recoil-distance technique.

doi: 10.1103/PhysRevC.65.034320
Citations: PlumX Metrics


2001HA47      Phys.Rev. C64, 031304 (2001)

D.J.Hartley, L.L.Riedinger, M.A.Riley, D.L.Balabanski, F.G.Kondev, R.W.Laird, J.Pfohl, D.E.Archer, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, I.M.Hibbert, D.T.Joss, D.R.LaFosse, P.J.Nolan, N.J.O'Brien, E.S.Paul, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth, J.-Y.Zhang, P.B.Semmes, F.Donau

Detailed Spectroscopy of the Chiral-Twin Candidate Bands in 136Pm

NUCLEAR REACTIONS 105Pd(35Cl, 2n2p), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 136Pm deduced high-spin levels, J, π, configurations, B(M1), B(E2). Comparisons with neighboring nuclides, model predictions. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.64.031304
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2001RI20      Acta Phys.Pol. B32, 2683 (2001)

M.A.Riley, R.W.Laird, F.G.Kondev, D.J.Hartley, D.E.Archer, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, I.M.Hibbert, D.T.Joss, D.R.LaFosse, P.J.Nolan, N.J.O'Brien, E.S.Paul, J.Pfohl, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth, M.T.Matev, A.V.Afanasjev, J.Dobaczewski, G.A.Lalazissis, W.Nazarewicz, W.Satula

Global Lifetime Measurements of Highly-Deformed and Other Rotational Structures in the A ∼ 135 Light Rare-Earth Region: Probing the single-particle motion in a rotating potential

NUCLEAR REACTIONS 105Pd(35Cl, xnypzα), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 130,131,132,133Pr, 132,133,134,135Nd, 133,134,136Pm, 135,136,137Sm deduced rotational bands T1/2, transition quadrupole moments. Gammasphere, Microball arrays. Comparisons with model predictions.


2000PF01      Phys.Rev. C62, 031304 (2000)

J.Pfohl, R.W.Laird, M.A.Riley, F.G.Kondev, D.E.Archer, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, D.J.Hartley, I.M.Hibbert, D.T.Joss, D.R.LaFosse, P.J.Nolan, N.J.O'Brien, E.S.Paul, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth, Y.Sun, A.V.Afanasjev, I.Ragnarsson

Highly Deformed Rotational Structures in 136Pm

NUCLEAR REACTIONS 105Pd(35Cl, 2n2p), E=173, 180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 136Pm deduced high-spin levels, J, π, T1/2, configurations, quadrupole moments. Comparison with model predictions. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.62.031304
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2000SI26      Phys.Rev. C62, 024321 (2000)

J.Simpson, A.P.Bagshaw, A.Pipidis, M.A.Riley, M.A.Bentley, D.M.Cullen, P.J.Dagnall, G.B.Hagemann, S.L.King, R.W.Laird, J.C.Lisle, S.Shepherd, A.G.Smith, S.Tormanen, A.V.Afanasjev, I.Ragnarsson

Discrete Line γ-Ray Spectroscopy in the (50-60) (h-bar) Spin Domain of 161, 162Er

NUCLEAR REACTIONS 130Te(36S, 4n), (36S, 5n), E=170 MeV; measured Eγ, Iγ, γγ-coin. 161,162Er deduced high-spin levels, J, π, configurations, unpaired band crossings. Euroball array, cranked mean-field calculations.

doi: 10.1103/PhysRevC.62.024321
Citations: PlumX Metrics


1999KO03      Phys.Rev. C59, R575 (1999)

F.G.Kondev, M.A.Riley, D.J.Hartley, R.W.Laird, T.B.Brown, M.Lively, K.W.Kemper, J.Pfohl, S.L.Tabor, R.K.Sheline

Configuration and Unusually Fast Decay of the Kπ = 16- Four-Quasiparticle Isomer in 182Re

NUCLEAR REACTIONS 176Yb(11B, 5n), E=70 MeV; measured Eγ, Iγ, γγ(θ). 182Re deduced high-spin levels, J, π, δ, configurations. Lipkin-Nogami quasiparticle model.

doi: 10.1103/PhysRevC.59.R575
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1999KO19      J.Phys.(London) G25, 893 (1999)

F.G.Kondev, M.A.Riley, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, D.J.Hartley, I.M.Hibbert, D.T.Joss, D.R.LaFosse, R.W.Laird, F.Lerma, M.Lively, P.J.Nolan, N.J.O'Brien, E.S.Paul, J.Pfohl, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth

Relative Quadrupole Deformations for Structures in Odd Proton (Z = 59)Pr Nuclei Near Mass ∼ 130

NUCLEAR REACTIONS 105Pd(35Cl, n2α), (35Cl, 2n2α), (35Cl, 2n2pα), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 130,131,132Pr deduced high-spin levels, J, π, configurations. Gammasphere, microball arrays.

doi: 10.1088/0954-3899/25/4/063
Citations: PlumX Metrics


1999KO21      Phys.Rev. C59, 3076 (1999)

F.G.Kondev, M.A.Riley, D.J.Hartley, T.B.Brown, R.W.Laird, M.Lively, J.Pfohl, R.K.Sheline, R.M.Clark, P.Fallon, D.G.Sarantites, M.Devlin, D.R.LaFosse, F.Lerma, R.Wadsworth, I.M.Hibbert, N.J.O'Brien, E.S.Paul, D.T.Joss, P.J.Nolan, S.L.Shepherd, D.E.Archer, J.Simpson

Relative Quadrupole Deformations for Decoupled Structures in the Odd-Odd 130Pr and 132Pr Nuclei

NUCLEAR REACTIONS 105Pd(35Cl, 2n2α), (35Cl, 2n2pα), E=173, 180 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 130,132Pr deduced high-spin levels, J, π, T1/2, configurations, quadrupole moments. Quasiparticle blocking calculations, Nilsson model, Lipkin-Nogami method.

doi: 10.1103/PhysRevC.59.3076
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1999KO28      Phys.Rev. C60, 011303 (1999)

F.G.Kondev, M.A.Riley, D.J.Hartley, T.B.Brown, R.W.Laird, M.Lively, J.Pfohl, R.K.Sheline, E.S.Paul, D.T.Joss, P.J.Nolan, S.L.Shepherd, R.M.Clark, P.Fallon, D.G.Sarantites, M.Devlin, D.R.LaFosse, F.Lerma, R.Wadsworth, I.M.Hibbert, N.J.O'Brien, J.Simpson, D.E.Archer

Differential Quadrupole Moment Measurements of the 1/2+ [660](i13/2) Neutron Intruder Band in 133Nd and 135Nd

NUCLEAR REACTIONS 105Pd(35Cl, 2npα), (35Cl, 2n3p), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 133,135Nd deduced rotational bands quadrupole moments. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.60.011303
Citations: PlumX Metrics


1998HA37      Phys.Rev. C58, 1321 (1998)

D.J.Hartley, T.B.Brown, F.G.Kondev, R.W.Laird, J.Pfohl, A.M.Richmond, M.A.Riley, J.Doring, J.Simpson

Observation of Three-Quasiparticle Structures in the N = 88 Nucleus 153Tb

NUCLEAR REACTIONS 139La(18O, 4n), E=100 MeV; measured Eγ, Iγ, γγ-coin. 153Tb deduced high-spin levels, J, π, configurations, B(M1)/B(E2) ratios.

doi: 10.1103/PhysRevC.58.1321
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1998KO34      Eur.Phys.J. A 2, 249 (1998)

F.G.Kondev, M.A.Riley, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, D.J.Hartley, I.M.Hibbert, D.T.Joss, D.R.LaFosse, R.W.Laird, F.Lerma, M.Lively, P.J.Nolan, N.J.O'Brien, E.S.Paul, J.Pfohl, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth

Quadrupole Moment Measurement of the Highly Deformed πg9/2 ηh11/2 Band in 130Pr

NUCLEAR REACTIONS 105Pd(35Cl, 2n2α), (35Cl, n2α), E=173 MeV; measured Eγ, Iγ, γγ-, (charged-particle)γ-coin. 130,131Pr deduced high-spin levels, rotational bands T1/2, quadrupole moments, configurations. Fractional Doppler shift technique.

doi: 10.1007/s100500050116
Citations: PlumX Metrics


1998SI03      Eur.Phys.J. A 1, 267 (1998)

J.Simpson, M.A.Riley, R.W.Laird, D.J.Hartley, F.G.Kondev, J.Sweeney, A.N.Wilson, S.J.Gale, M.A.Bentley, A.M.Bruce, R.Chapman, R.M.Clark, D.M.Cullen, P.Fallon, P.D.Forsyth, S.J.Freeman, P.M.Jones, J.C.Lisle, A.O.Macchiavelli, J.F.Sharpey-Schafer, A.G.Smith, J.F.Smith, D.M.Thompson

High-K Quasiparticle Structures in 159Er and 160Er

NUCLEAR REACTIONS 116Cd(48Ca, 4n), (48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 159,160Er deduced high-spin levels, J, π, band structure, configurations, B(M1)/B(E2) ratios. Cranked shell model.

doi: 10.1007/s100500050061
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