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NSR database version of April 27, 2024.

Search: Author = S.L.Shepherd

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2012PA26      Eur.Phys.J. A 48, 107 (2012)

E.S.Paul, P.J.Nolan, M.Akmali, A.J.Boston, D.T.Joss, A.T.Semple, S.L.Shepherd, I.M.Hibbert, N.J.O'Brien, C.M.Parry, R.Wadsworth

Four-quasiparticle high-K band in ¹³⁰Ce

NUCLEAR REACTIONS ¹⁰⁰Mo(³⁴S, 4n), E=155 MeV; measured Eγ, Iγ, γγ-coin. ¹³⁰Ce deduced levels, J, π, γ transitions, B(M1), B(E2), rotational band, yrast band, backbending, γ band, high K-band, quasiparticle structure, neutron, proton g-factor.

doi: 10.1140/epja/i2012-12107-5
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2009PA40      Phys.Rev. C 80, 054312 (2009)

E.S.Paul, J.P.Revill, M.Mustafa, S.V.Rigby, A.J.Boston, C.Foin, J.Genevey, A.Gizon, J.Gizon, I.M.Hibbert, D.T.Joss, P.J.Nolan, B.M.Nyako, N.J.O'Brien, C.M.Parry, A.T.Semple, S.L.Shepherd, J.Timar, R.Wadsworth, L.Zolnai

High-spin states in ¹²⁷Ce and ¹²⁹Ce: Further evidence for triaxial nuclear shapes

NUCLEAR REACTIONS ¹⁰⁰Mo(³²S, 5n), (³⁴S, 5n), E=155 MeV; measured Eγ, Iγ, γγ-coin using Euroball and Eurogam arrays. ^127,129Ce; deduced levels, J, π, bands, and configurations. Comparison with cranked Woods-Saxon calculations, and with systematics of light odd-N cerium nuclei.

doi: 10.1103/PhysRevC.80.054312
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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, 159}Dy 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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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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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 T_1/2, B(E2), transition quadrupole moments. Gammasphere array, recoil-distance technique.

doi: 10.1103/PhysRevC.65.034320
Citations: PlumX Metrics

2001CU02      Nucl.Phys. A682, 264c (2001)

D.M.Cullen, C.Scholey, C.Fox, A.J.Boston, E.S.Paul, H.C.Scraggs, S.L.Shepherd, O.Stezowski, T.Enqvist, P.A.Butler, A.M.Bruce, P.M.Walker, M.Caamano, J.Garces Narro, M.A.Bentley, D.T.Joss, P.T.Greenlees, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, M.Muikku, O.Dorvaux, P.Rahkila, J.Uusitalo, P.Nieminen

Recoil-Isomer Tagging Near the Mass 140 Proton Drip Line

NUCLEAR REACTIONS ⁹²Mo(⁵⁴Fe, n3p), (⁵⁴Fe, np), E=226, 236 MeV; measured Eγ, Iγ(t), γγ-, (recoil)γ-coin. ¹⁴²Tb, ¹⁴⁴Ho deduced levels built on isomeric states. Recoil-isomer tagging technique.

doi: 10.1016/S0375-9474(00)00649-7
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
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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. ^{130,131,132,133}Pr, ^{132,133,134,135}Nd, ^133,134,136Pm, ^135,136,137Sm deduced rotational bands T_1/2, transition quadrupole moments. Gammasphere, Microball arrays. Comparisons with model predictions.

2001SC09      Phys.Rev. C63, 034321 (2001)

C.Scholey, D.M.Cullen, E.S.Paul, A.J.Boston, P.A.Butler, T.Enqvist, C.Fox, H.C.Scraggs, S.L.Shepherd, O.Stezowski, A.M.Bruce, P.M.Walker, M.Caamano, J.Garces Narro, M.A.Bentley, D.T.Joss, O.Dorvaux, P.T.Greenlees, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Nieminen, P.Rahkila, J.Uusitalo

Recoil Isomer Tagging in the Proton-Rich Odd-Odd N = 77 Isotones, ₆₅¹⁴²Tb and ₆₇¹⁴⁴Ho

NUCLEAR REACTIONS ⁹²Mo(⁵⁴Fe, np), (⁵⁴Fe, n3p), E=226, 236 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁴²Tb, ¹⁴⁴Ho deduced high-spin levels, possible J, π, isomeric states T_1/2, configurations, deformation. Jurosphere II array, recoil isomer tagging. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.034321
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Data from this article have been entered in the XUNDL database. For more information, click here.

2001SC14      Acta Phys.Pol. B32, 1005 (2001)

C.Scholey, D.M.Cullen, E.S.Paul, M.A.Bentley, A.J.Boston, A.M.Bruce, P.A.Butler, M.Caamano, O.Dorvaux, T.Enqvist, C.Fox, J.Garces Narro, P.T.Greenlees, K.Helariutta, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Nieminen, P.Rahkila, H.C.Scraggs, S.L.Shepherd, O.Stezowski, J.Uusitalo, P.M.Walker

Recoil Isomer Tagging on Proton-Rich Odd-Odd N = 77 Isotones ¹⁴²Tb and ¹⁴⁴Ho

NUCLEAR REACTIONS ⁹²Mo(⁵⁴Fe, np), (⁵⁴Fe, n3p), E=226, 236 MeV; measured prompt and delayed Eγ, Iγ, (recoil)γ-, γγ-coin. ¹⁴²Tb, ¹⁴⁴Ho deduced high spin levels, possible J, π. Jurosphere array, recoil isomer tagging.

2000KI33      Phys.Rev. C62, 067301 (2000)

S.L.King, R.D.Page, J.Simpson, A.Keenan, N.Amzal, A.J.Chewter, J.F.C.Cocks, D.M.Cullen, O.Dorvaux, P.T.Greenlees, K.Helariutta, P.Jones, D.T.Joss, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, R.C.Lemmon, M.Muikku, P.Nieminen, A.Savelius, S.L.Shepherd, M.B.Smith, M.J.Taylor, J.Uusitalo

First Observation of Excited States in the Neutron Deficient Nuclei ¹⁶⁴Os and ¹⁶⁶Os

NUCLEAR REACTIONS ¹⁰⁶Cd(⁶³Cu, 2np), E=292 MeV; ¹¹²Sn(⁵⁸Ni, 2n2p), E=286 MeV; ¹⁰⁶Cd(⁶⁰Ni, 2n), E=257 MeV; measured Eγ, Iγ, (recoil)γ-coin. ^164,166Os deduced levels, possible J, π, configurations. Recoil-decay tagging. Level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.62.067301
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Data from this article have been entered in the XUNDL database. For more information, click here.

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, T_1/2, 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.

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, T_1/2, configurations, quadrupole moments. Quasiparticle blocking calculations, Nilsson model, Lipkin-Nogami method.

doi: 10.1103/PhysRevC.59.3076
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Data from this article have been entered in the XUNDL database. For more information, click here.

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](i_13/2) 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

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 πg_9/2 ηh_11/2 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 T_1/2, quadrupole moments, configurations. Fractional Doppler shift technique.

doi: 10.1007/s100500050116
Citations: PlumX Metrics

1998SE10      J.Phys.(London) G24, 1125 (1998)

A.T.Semple, E.S.Paul, A.J.Boston, I.M.Hibbert, D.T.Joss, P.J.Nolan, N.J.O'Brien, C.M.Parry, S.L.Shepherd, R.Wadsworth, R.Wyss

The Role of Shell Gaps and Deformation-Driving Orbitals in Superdeformed ¹³⁰Ce

NUCLEAR REACTIONS ¹⁰⁰Mo(³⁴S, 4n), E=155 MeV; measured Eγ, Iγ, γγ-coin. ¹³⁰Ce deduced superdeformed bands, configurations.

doi: 10.1088/0954-3899/24/6/007
Citations: PlumX Metrics

1997PA42      Acta Phys.Hung.N.S. 6, 281 (1997)

E.S.Paul, A.T.Semple, A.J.Boston, D.T.Joss, P.J.Nolan, S.L.Shepherd, I.M.Hibbert, N.J.O'Brien, C.M.Parry, R.Wadsworth

Superdeformed Bands in ¹³⁰Ce

NUCLEAR REACTIONS ¹⁰⁰Mo(³⁴S, 4n), E=155 MeV; measured Eγ, Iγ, γγ-coin. ¹³⁰Ce deduced superdeformed bands, configurations.