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NSR database version of April 11, 2024.

Search: Author = J.M.Sears

Found 47 matches.

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2007PA07      Phys.Rev. C 75, 014308 (2007)

E.S.Paul, K.Starosta, A.O.Evans, A.J.Boston, H.J.Chantler, C.J.Chiara, M.Devlin, A.M.Fletcher, D.B.Fossan, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, C.Vaman, A.V.Afanasjev, I.Ragnarsson

Smooth terminating bands in 112Te: Particle-hole induced collectivity

NUCLEAR REACTIONS 58Ni(58Ni, 4p), (58Ni, 2p), E=240, 250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 112Te deduced high-spin levels, J, π, T1/2, configurations, deformation, band termination features. 114Xe levels deduced T1/2, transition quadrupole moment. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.75.014308
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2007PA34      Phys.Rev. C 76, 034322 (2007)

E.S.Paul, A.J.Boston, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.J.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta

γ-ray spectroscopy of neutron-deficient 110Te. I. Low- and intermediate-spin structures

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=250 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 110Te deduced levels, J, π, multipolarity.

doi: 10.1103/PhysRevC.76.034322
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2007PA35      Phys.Rev. C 76, 034323 (2007)

E.S.Paul, A.O.Evans, A.J.Boston, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.J.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, A.V.Afanasjev, I.Ragnarsson

γ-ray spectroscopy of neutron-deficient 110Te. II. High-spin smooth-terminating structures

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=240, 250 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 110Te deduced levels, J, π, multipolarity.

doi: 10.1103/PhysRevC.76.034323
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2006EV01      Phys.Lett. B 636, 25 (2006)

A.O.Evans, E.S.Paul, A.J.Boston, H.J.Chantler, C.J.Chiara, M.Devlin, A.M.Fletcher, D.B.Fossan, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, C.Vaman, A.V.Afanasjev, I.Ragnarsson

Magnetic properties of smooth terminating dipole bands in 110, 112Te

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), (58Ni, 4p), E=240, 250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 110,112Te deduced high-spin levels, J, π, B(M1), B(E2), T1/2. Gammasphere and Microball arrays.

doi: 10.1016/j.physletb.2006.03.020
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2006EV04      Phys.Scr. T125, 192 (2006)

A.O.Evans, E.S.Paul, A.J.Boston, H.J.Chantler, C.J.Chiara, M.Devlin, A.M.Fletcher, D.B.Fossan, D.R.LaFosse, G.J.Lane, Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, C.Vaman, I.Ragnarsson, A.V.Afanasjev

Magnetic properties of deformed dipole bands in 110, 112Te

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=240 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 110Te deduced transitions B(M1).

doi: 10.1088/0031-8949/2006/T125/046
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2001CH71      Phys.Rev. C64, 054314 (2001)

C.J.Chiara, D.B.Fossan, V.P.Janzen, T.Koike, D.R.LaFosse, G.J.Lane, S.M.Mullins, E.S.Paul, D.C.Radford, H.Schnare, J.M.Sears, J.F.Smith, K.Starosta, P.Vaska, R.Wadsworth, D.Ward, S.Frauendorf

Spectroscopy in the Z = 49 108, 110In Isotopes: Lifetime measurements in shears bands

NUCLEAR REACTIONS 76Ge(37Cl, 5n), E=138 MeV; measured Eγ, Iγ, γγ-coin. 96Zr(19F, 5n), E=85, 88 MeV; 94Mo(18O, 3np), E=85 MeV; measured Eγ, Iγ, γγ-coin, DSA. 108,110In deduced high-spin levels, J, π, configurations, T1/2, B(M1), B(E2), shears bands features. Tilted-axis cranking calculations.

doi: 10.1103/PhysRevC.64.054314
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2001SM01      Phys.Rev. C63, 024319 (2001)

J.F.Smith, V.Medina-Chico, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

Identification of Excited States in 117Cs: Systematics of the ν(h11/2)2 Alignment

NUCLEAR REACTIONS 58Ni(64Zn, pα), E=265 MeV; measured Eγ, Iγ, γγ-coin. 64Zn(58Ni, pα), E=230, 240 MeV; measured Eγ, Iγ, (X-ray)γ-, (recoil)γ-coin. 117Cs deduced high-spin levels, J, π, configurations. Gammasphere, fragment analyzer. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.024319
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2001SM13      Phys.Lett. 523B, 13 (2001)

J.F.Smith, C.J.Chiara, D.B.Fossan, D.R.LaFosse, G.J.Lane, J.M.Sears, K.Starosta, M.Devlin, F.Lerma, D.G.Sarantites, S.J.Freeman, M.J.Leddy, J.L.Durell, A.J.Boston, E.S.Paul, A.T.Semple, I.Y.Lee, A.O.Macchiavelli, P.H.Heenen

Excited States and Deformation of 112Xe

NUCLEAR REACTIONS 58Ni(58Ni, xnyp), E=219-264 MeV; measured excitation functions. 58Ni(58Ni, 2n2p), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 112Xe deduced levels, J, π, B(E2), B(E1), rotational bands, deformation. Gammasphere, Microball arrays. Comparisons with neighboring isotopes, model predictions.

doi: 10.1016/S0370-2693(01)01339-9
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2001ST16      Phys.Rev. C64, 014304 (2001)

K.Starosta, C.J.Chiara, D.B.Fossan, T.Koike, D.R.LaFosse, G.J.Lane, J.M.Sears, J.F.Smith, A.J.Boston, P.J.Nolan, E.S.Paul, A.T.Semple, M.Devlin, D.G.Sarantites, I.Y.Lee, A.O.Macchiavelli, I.Ragnarsson

Smooth Band Termination at High Spin in 113I

NUCLEAR REACTIONS 58Ni(58Ni, 3p), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 113I deduced high-spin levels, J, π, configurations, smooth band termination. Gammasphere, Microball arrays, Cranked Nilsson-Strutinski calculations.

doi: 10.1103/PhysRevC.64.014304
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2000BO29      Phys.Rev. C61, 064305 (2000)

A.J.Boston, E.S.Paul, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta

High-Spin States in 109Te: Competition between Collective and Single-Particle Excitations

NUCLEAR REACTIONS 58Ni(58Ni, n2pα), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 109Te deduced high-spin levels, J, π, B(E1), configurations, possible noncollective oblate states. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.61.064305
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2000CH04      Phys.Rev. C61, 034318 (2000)

C.J.Chiara, S.J.Asztalos, B.Busse, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.B.Fossan, D.G.Jenkins, S.Juutinen, N.S.Kelsall, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, R.Wadsworth, S.Frauendorf

Shears Mechanism in 109Cd

NUCLEAR REACTIONS 96Zr(18O, 5n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 109Cd deduced high-spin levels, J, π, T1/2, B(E2), B(M1), configurations, shears mechanism. Gammasphere array. Tilted-axis-cranking analysis.

doi: 10.1103/PhysRevC.61.034318
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2000KE01      Phys.Rev. C61, 011301 (2000)

N.S.Kelsall, R.Wadsworth, S.J.Asztalos, B.Busse, C.J.Chiara, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.B.Fossan, D.G.Jenkins, S.Juutinen, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, G.J.Schmid, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, S.G.Frauendorf

Evidence for Shears Bands in 108Cd

NUCLEAR REACTIONS 96Zr(16O, 4n), E=72 MeV; measured Eγ, Iγ, γγ-coin, DSA. 108Cd deduced high-spin levels, J, π, B(M1), configurations, shears bands. Gammasphere array.

doi: 10.1103/PhysRevC.61.011301
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2000LA27      Phys.Rev. C62, 014305 (2000)

D.R.LaFosse, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, J.F.Smith, K.Starosta, A.J.Boston, E.S.Paul, A.T.Semple, M.Devlin, D.G.Sarantites, I.Y.Lee, A.O.Macchiavelli, A.V.Afanasjev, I.Ragnarsson

Collective Structures and Band Termination in 107Sb

NUCLEAR REACTIONS 58Ni(58Ni, p2α), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 107Sb deduced high-spin levels, J, π, configurations, band termination. Gammasphere, Microball arrays. Comparions with neighboring isotopes, cranked mean-field calculations.

doi: 10.1103/PhysRevC.62.014305
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2000PA38      Phys.Rev. C61, 064320 (2000)

E.S.Paul, K.Starosta, A.J.Boston, C.J.Chiara, M.Devlin, O.Dorvaux, D.B.Fossan, P.T.Greenlees, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, M.Muikku, P.Nieminen, P.Rahkila, D.G.Sarantites, H.C.Scraggs, J.M.Sears, A.T.Semple, J.F.Smith, O.Stezowski

High-Spin Study of 111I

NUCLEAR REACTIONS 58Ni(58Ni, pα), E=210, 250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 111I deduced high-spin levels, J, π, configurations, band termination. 58Ni(58Ni, 3p), 58Ni(58Ni, 2p), 58Ni(58Ni, 4p), 58Ni(58Ni, 2pα), 58Ni(58Ni, n2p), 58Ni(58Ni, pα), E=210 MeV; measured relative yields. Jurosphere, Gammasphere, Microball arrays. Level systematics in neighboring isotopes discussed.

doi: 10.1103/PhysRevC.61.064320
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2000PA67      Acta Phys.Hung.N.S. 12, 201 (2000)

E.S.Paul, A.J.Boston, P.J.Nolan, H.C.Scraggs, A.T.Semple, O.Stezowski, O.Dorvaux, P.T.Greenlees, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, M.Muikku, P.Nieminen, P.Rahkila, K.Starosta, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, J.F.Smith, M.Devlin, D.R.LaFosse, D.G.Sarantites, I.Y.Lee, A.O.Macchiavelli

Terminating Bands in Light Xenon and Iodine Isotopes: New results for 113, 114Xe and 111I

NUCLEAR REACTIONS 58Ni(58Ni, pα), (58Ni, 2p), E=210 MeV; measured Eγ, Iγ, γγ-coin, DSA. 58Ni(58Ni, pα), (58Ni, 2p), (58Ni, n2p), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 113,114Xe, 111I deduced high-spin levels, J, π, configurations, band termination features. Jurosphere, Gammasphere, Microball arrays.


2000SC23      Phys.Rev. C61, 064316 (2000)

H.C.Scraggs, E.S.Paul, A.J.Boston, C.J.Chiara, M.Devlin, O.Dorvaux, D.B.Fossan, P.T.Greenlees, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, M.Muikku, P.Nieminen, P.Rahkila, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, O.Stezowski

High-Spin Study of 113Xe: Smooth band termination in valence space

NUCLEAR REACTIONS 58Ni(58Ni, n2p), E=210, 250 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-, (charged particle)γ-coin. 113Xe deduced high-spin levels, J, π, configurations, smooth band termination. Jurosphere, Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.61.064316
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2000SM05      Phys.Rev. C61, 044329 (2000)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli, A.V.Afanasjev, I.Ragnarsson

Identification of Excited States in 119Ba

NUCLEAR REACTIONS 58Ni(64Zn, n2p), E=265 MeV; measured Eγ, Iγ, γγ-coin. 64Zn(58Ni, n2p), E=230, 240 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-, (recoil)γ-coin. 119Ba deduced high-spin levels, J, π, configurations, band termination. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.61.044329
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2000SM08      Phys.Lett. 483B, 7 (2000)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

Multiple Shape-Driving ν(h11/2)2 and π(h11/2)2 Alignments in 120Ba

NUCLEAR REACTIONS 58Ni(64Zn, 2p), E=265 MeV; measured Eγ, Iγ(θ), γγ-coin. 120Ba deduced high-spin levels, J, π, band configuration and aligned angular momenta. Comparison with neighboring nuclei and with theoretical calculations. GAMMASPHERE array.

doi: 10.1016/S0370-2693(00)00557-8
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2000ST03      Phys.Rev. C61, 034308 (2000)

K.Starosta, C.J.Chiara, D.B.Fossan, T.Koike, D.R.LaFosse, G.J.Lane, J.M.Sears, J.F.Smith, A.J.Boston, P.J.Nolan, E.S.Paul, A.T.Semple, M.Devlin, D.G.Sarantites, I.Y.Lee, A.O.Macchiavelli

γ-Ray Spectroscopy in 111Te

NUCLEAR REACTIONS 58Ni(58Ni, n4p), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin, γγ(t). 111Te deduced high-spin levels, J, π, configurations, isomer T1/2. Gammasphere, Microball arrays.

NUCLEAR STRUCTURE 111Te; calculated levels, J, π. Core-quasiparticle coupling model.

doi: 10.1103/PhysRevC.61.034308
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2000ST27      Phys.Rev. C62, 044309 (2000)

K.Starosta, D.R.LaFosse, C.J.Chiara, D.B.Fossan, T.Koike, G.J.Lane, J.M.Sears, J.F.Smith, A.J.Boston, P.J.Nolan, E.S.Paul, A.T.Semple, M.Devlin, D.G.Sarantites, I.Y.Lee, A.O.Macchiavelli

Excited States in 110I and Core Polarization Effects of the h11/2 Proton and Neutron Orbitals

NUCLEAR REACTIONS 58Ni(58Ni, npα), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 110I deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays. Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.62.044309
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2000WA31      Phys.Scr. T88, 49 (2000)

R.Wadsworth, J.A.Cameron, R.M.Clark, C.J.Chiara, R.M.Diamond, M.A.Deleplanque, P.Fallon, D.B.Fossan, I.M.Hibbert, D.G.Jenkins, S.Juutinen, N.Kelsall, R.Krucken, G.J.Lane, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, S.Frauendorf

Evidence for Magnetic Rotation in the Light Tin Region

NUCLEAR REACTIONS 54Fe(58Ni, 2pα), (58Ni, 4p), E=243 MeV; 96Zr(18O, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 106,108Sn, 110Cd deduced transitions T1/2, B(M1), B(E2), magnetic dipole bands, shears mechanism. Gammasphere array.

doi: 10.1238/Physica.Topical.088a00049
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1999CL03      Phys.Rev.Lett. 82, 3220 (1999)

R.M.Clark, S.J.Asztalos, B.Busse, C.J.Chiara, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.B.Fossan, D.G.Jenkins, S.Juutinen, N.Kelsall, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, R.Wadsworth, S.Frauendorf

Shears Mechanism in the A ∼ 110 Region

NUCLEAR REACTIONS 96Zr(18O, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 110Cd deduced transitions T1/2, B(M1), magnetic-rotational band. Tilted axis cranking analysis.

doi: 10.1103/PhysRevLett.82.3220
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1999JE07      Phys.Rev.Lett. 83, 500 (1999)

D.G.Jenkins, R.Wadsworth, J.A.Cameron, R.M.Clark, D.B.Fossan, I.M.Hibbert, V.P.Janzen, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, J.M.Sears, J.F.Smith, S.Frauendorf

Confirmation of the Shears Mechanism in Near-Spherical Tin Nuclei

NUCLEAR REACTIONS 54Fe(58Ni, 4p), (58Ni, 2pα), E=243 MeV; measured Eγ, Iγ, γγ-coin, DSA. 106,108Sn deduced high-spin levels T1/2, B(M1), B(E2), shears mechanism. Tilted axis cranking analysis.

doi: 10.1103/PhysRevLett.83.500
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1999PA13      Phys.Rev. C59, 1984 (1999)

E.S.Paul, D.B.Fossan, K.Hauschild, I.M.Hibbert, P.J.Nolan, H.Schnare, J.M.Sears, I.Thorslund, R.Wadsworth, A.N.Wilson, J.N.Wilson, I.Ragnarsson

High-Fold γ-Ray Spectroscopy of 117I: Coexistence of collective and Noncollective Structures

NUCLEAR REACTIONS 90Zr(31P, 2n2p), E=150 MeV; measured Eγ, Iγ, γγ-coin, linear polarization. 117I deduced high-spin levels, J, π, configurations. Eurogam array. Cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.59.1984
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1998JE03      Phys.Lett. 428B, 23 (1998)

D.G.Jenkins, I.M.Hibbert, C.M.Parry, R.Wadsworth, D.B.Fossan, G.J.Lane, J.M.Sears, J.F.Smith, R.M.Clark, R.Krucken, I.Y.Lee, A.O.Macchiavelli, V.P.Janzen, J.Cameron, S.Frauendorf

Magnetic Rotation in 106Sn and 108Sn

NUCLEAR REACTIONS 54Fe(58Ni, 2pα), (58Ni, 4p), E=243 MeV; measured Eγ, Iγ, γγ-coin, DCO. 106,108Sn deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Tilted-axis-cranking calculations.

doi: 10.1016/S0370-2693(98)00384-0
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1998JE09      Phys.Rev. C58, 2703 (1998)

D.G.Jenkins, R.Wadsworth, J.Cameron, R.M.Clark, D.B.Fossan, I.M.Hibbert, V.P.Janzen, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, J.M.Sears, J.F.Smith, S.Frauendorf

Magnetic Rotational Bands in 108Sb

NUCLEAR REACTIONS 54Fe(58Ni, n3p), E=243 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 108Sb deduced high-spin levels, J, π, configurations, B(M1)/B(E2), magnetic dipole bands. Gammasphere array. Tilted-axis-cranking calculations.

doi: 10.1103/PhysRevC.58.2703
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1998LA03      Phys.Rev. C57, R1022 (1998)

G.J.Lane, D.B.Fossan, J.M.Sears, J.F.Smith, J.A.Cameron, R.M.Clark, I.M.Hibbert, V.P.Janzen, R.Krucken, I.-Y.Lee, A.O.Macchiavelli, C.M.Parry, R.Wadsworth

Octupole Correlations at Low Spin in 52108Te56

NUCLEAR REACTIONS 54Fe(58Ni, 2n2p), E=243 MeV; measured Eγ, Iγ(θ), γγ-coin. 108Te deduced high-spin levels, J, π, transitions B(E1)/B(E2), evidence for octupole vibration.

doi: 10.1103/PhysRevC.57.R1022
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1998LA14      Phys.Rev. C58, 127 (1998)

G.J.Lane, D.B.Fossan, C.J.Chiara, H.Schnare, J.M.Sears, J.F.Smith, I.Thorslund, P.Vaska, E.S.Paul, A.N.Wilson, J.N.Wilson, K.Hauschild, I.M.Hibbert, R.Wadsworth, A.V.Afanasjev, I.Ragnarsson

High-Spin States, Particle-Hole Structure, and Linked Smooth Terminating Bands in Doubly Odd 112Sb

NUCLEAR REACTIONS 103Rh(12C, 3n), E=60 MeV; 90Zr(31P, n2α), E=150 MeV; measured Eγ, Iγ, γγ-coin, DCO. 112Sb deduced high-spin levels, J, π, multipolarities, configurations, smooth band termination. Cranked mean field analysis.

NUCLEAR STRUCTURE 110,111,112Sb; analyzed rotational bands, effective alignment, termination features.

doi: 10.1103/PhysRevC.58.127
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1998PA38      Nucl.Phys. A644, 3 (1998)

E.S.Paul, H.C.Scraggs, A.J.Boston, D.B.Fossan, K.Hauschild, I.M.Hibbert, P.J.Nolan, H.Schnare, J.M.Sears, I.Thorslund, R.Wadsworth, A.N.Wilson, J.N.Wilson

High-Fold γ-Ray Spectroscopy of 117Xe

NUCLEAR REACTIONS 90Zr(31P, 3np), E=150 MeV; measured Eγ, Iγ, γγ(θ), γ-ray linear polarization. 117Xe deduced high-spin levels, J, π, configurations. Comparison with Nilsson-Strutinsky cranking calculations. Enriched targets, Eurogam II spectrometer.

doi: 10.1016/S0375-9474(98)00587-9
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1998SE05      Phys.Rev. C57, 1656 (1998)

J.M.Sears, I.Thorslund, D.B.Fossan, P.Vaska, E.S.Paul, K.Hauschild, I.M.Hibbert, R.Wadsworth, S.M.Mullins

γ-Ray Spectroscopy of Odd 52113Te and 52115Te Isotopes

NUCLEAR REACTIONS 54Fe(63Cu, n3p), E=245 MeV; 64Ni(56Fe, 3n2p), E=236 MeV; measured Eγ, Iγ, γγ-coin. 113,115Te deduced high-spin levels, J, π, band structure, configurations. Cranking model analysis.

doi: 10.1103/PhysRevC.57.1656
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1998SE08      Phys.Rev. C57, 2991 (1998)

J.M.Sears, D.B.Fossan, G.R.Gluckman, J.F.Smith, I.Thorslund, E.S.Paul, I.M.Hibbert, R.Wadsworth

Collectivity in Even 54116Xe and 54118Xe Isotopes

NUCLEAR REACTIONS 58Ni(64Zn, 4p), (64Zn, 2pα), E=265 MeV; measured Eγ, Iγ, γγ-coin, DCO. 116,118Xe deduced high-spin levels, J, π, band structure, configurations.

doi: 10.1103/PhysRevC.57.2991
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1998SE14      Phys.Rev. C58, 1430 (1998)

J.M.Sears, S.E.Gundel, D.B.Fossan, D.R.LaFosse, P.Vaska, J.DeGraaf, T.E.Drake, V.P.Janzen, D.C.Radford, Ch.Droste, T.Morek, U.Garg, K.Lamkin, S.Naguleswaran, G.Smith, J.C.Walpe, R.Kaczarowski, A.V.Afanasjev, I.Ragnarsson

Deformed Intruder Bands in 113Sn

NUCLEAR REACTIONS 100Mo(18O, 5n), E=94 MeV; measured Eγ, Iγ, γγ-coin, DCO. 113Sn deduced high-spin levels, J, π, multipolarity, configurations, band termination features. Cranked shell-model calculations.

doi: 10.1103/PhysRevC.58.1430
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1998SM01      Phys.Rev. C57, R1037 (1998)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

First Observation of Excited States in 118Ba: Possible evidence for octupole correlations in neutron-deficient barium isotopes

NUCLEAR REACTIONS 58Ni(64Zn, 2n2p), E=265 MeV; measured Eγ, Iγ, (recoil)γ-, (X-ray)γ-coin. 118Ba deduced high-spin levels, J, π, evidence for octupole correlations. Comparison with neighboring isotopes, TRS calculations.

doi: 10.1103/PhysRevC.57.R1037
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1998SM07      Phys.Rev. C58, 3237 (1998)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.F.Lewicki, J.M.Sears, P.Vaska

Observation of Signature Inversion in the ν(h11/2) (x) π(h11/2) Band of 122Cs

NUCLEAR REACTIONS 94Mo(31P, n2p), E=127 MeV; measured Eγ, Iγ, γγ-coin. 122Cs deduced high-spin levels, possible J, π, configurations, B(M1)/B(E2), signature inversion.

doi: 10.1103/PhysRevC.58.3237
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1998WA02      Phys.Rev.Lett. 80, 1174 (1998)

R.Wadsworth, R.M.Clark, J.A.Cameron, D.B.Fossan, I.M.Hibbert, V.P.Janzen, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, J.M.Sears, J.F.Smith, A.V.Afanasjev, I.Ragnarsson

Decreasing Collectivity in Smoothly Terminating Bands in the A ∼ 110 Region

NUCLEAR REACTIONS 54Fe(58Ni, 3p), (58Ni, 4p), E=243 MeV; measured Eγ, Iγ, γγ-coin, DSA. 108Sn, 109Sb deduced transitions T1/2, B(E2), quadrupole moments, evidence for smooth band termination. Nilsson model calculations.

doi: 10.1103/PhysRevLett.80.1174
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1997NA24      Z.Phys. A359, 235 (1997)

S.Naguleswaran, U.Garg, S.S.Ghugre, B.Kharraja, A.Galindo-Uribarri, V.P.Janzen, D.C.Radford, D.B.Fossan, S.Gundel, J.M.Sears, R.Kaczarowski, E.Ruchowska

First Investigation of 115In in the High Spin Regime

NUCLEAR REACTIONS 100Mo(18O, 2np), E=65 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DCO. 115In deduced high-spin levels, J, π, configurations.

doi: 10.1007/s002180050395
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1997SE02      Phys.Rev. C55, 1096 (1997)

J.M.Sears, D.B.Fossan, S.E.Gundel, I.Thorslund, P.Vaska, K.Starosta

Deformed Intruder Band in 50115Sn

NUCLEAR REACTIONS 110Pd(9Be, 4n), E=45 MeV; measured γγ-coin. 115Sn deduced high-spin levels, J, π, band structure, configurations.

doi: 10.1103/PhysRevC.55.1096
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1997SE04      Phys.Rev. C55, 2290 (1997)

J.M.Sears, D.B.Fossan, I.Thorslund, P.Vaska, E.S.Paul, K.Hauschild, I.M.Hibbert, R.Wadsworth, S.M.Mullins, A.V.Afanasjev, I.Ragnarsson

High-Spin Spectroscopy of 52116Te

NUCLEAR REACTIONS 64Ni(56Fe, 2n2p), E=236 MeV; measured γγ-coin, Eγ, Iγ. 116Te deduced high-spin levels, J, π, band structures, configurations, γ-multipolarity.

doi: 10.1103/PhysRevC.55.2290
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1997SM04      Phys.Lett. 406B, 7 (1997)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.R.Gluckman, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

First Observation of Excited States in 118Cs: Signature inversion in the πh11/2 (x) νh11/2 band

NUCLEAR REACTIONS 58Ni(64Zn, n3p), E=230-265 MeV; measured Eγ, Iγ, γγγ-coin, γ(θ), γγ-, γ(X-ray)-coin. 118Cs deduced high-spin levels, J, π, configurations. Other isotopes considered, TRS calculations.

doi: 10.1016/S0370-2693(97)00651-5
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1997ST12      Phys.Rev. C55, 2794 (1997)

K.Starosta, Ch.Droste, T.Morek, J.Srebrny, D.B.Fossan, S.Gundel, J.M.Sears, I.Thorslund, P.Vaska, M.P.Waring, S.G.Rohozinski, W.Satula, U.Garg, S.Naguleswaran, J.C.Walpe

Lifetimes of Low-Lying States in 125,127La Measured by the Recoil Distance Method

NUCLEAR REACTIONS 94Mo(35Cl, 2n2p), E=155 MeV; 112Cd(19F, 4n), E=84.5 MeV; measured Eγ, Doppler-shifted spectra. 125,127La levels deduced T1/2. Enriched targets, recoil distance technique, plunger, core-quasiparticle coupling model.

doi: 10.1103/PhysRevC.55.2794
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1996AF01      Acta Phys.Pol. B27, 187 (1996)

A.V.Afanasjev, I.Ragnarsson, J.M.Sears

Rotational Bands with π(g9/2)(-2) Structure in Z ≥ 50, N ∼ 56-65 Nuclei

NUCLEAR STRUCTURE 111Sn, 116Te; calculated levels, rotational bands kinetic, dynamic moments of inertia. Cranked Nilsson potential, configuration-dependent shell-correction approach.


1996PA11      Phys.Rev. C53, 1562 (1996)

E.S.Paul, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, P.Vaska

High-Spin States in 121,122Te: Identification of Favored Noncollective Oblate States

NUCLEAR REACTIONS 116Cd(9Be, xn), E=37.8 MeV; measured Eγ, Iγ, γγ(θ). 121,122Te deduced high-spin levels J, π, γ-multipolarity, B(λ), shape features. Comparison with TRS cranking calculations.

doi: 10.1103/PhysRevC.53.1562
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1996PA16      J.Phys.(London) G22, 653 (1996)

E.S.Paul, D.B.Fossan, K.Hauschild, I.M.Hibbert, H.Schnare, J.M.Sears, I.Thorslund, R.Wadsworth, A.N.Wilson, J.N.Wilson

High-Spin Rotational Bands in Doubly Odd 118I

NUCLEAR REACTIONS 90Zr(31P, n2p), E=150 MeV; measured γγ-coin. 118I deduced high-spin levels, J, π, rotational bands. Model comparison.

doi: 10.1088/0954-3899/22/5/012
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1995PA21      Phys.Rev. C51, R2857 (1995)

E.S.Paul, D.B.Fossan, K.Hauschild, I.M.Hibbert, H.Schnare, J.M.Sears, I.Thorslund, R.Wadsworth, A.N.Wilson, J.N.Wilson

Yrast Bands in 117I and 116-118Xe: Anomalous quasiparticle alignment frequencies and band termination

NUCLEAR REACTIONS 90Zr(31P, 2n2p), (31P, 2np), (31P, 3np), (31P, 4np), E=150 MeV; measured Eγ, Iγ, γγ(θ), linear polarization. 117I, 116,117,118Xe deduced yrast high-spin levels, J, π.

doi: 10.1103/PhysRevC.51.R2857
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1995PA25      J.Phys.(London) G21, 995 (1995)

E.S.Paul, D.B.Fossan, K.Hauschild, I.M.Hibbert, H.Schnare, J.M.Sears, I.Thorslund, R.Wadsworth, A.N.Wilson, J.N.Wilson

Evidence for the πh11/2(x)νh11/2 Configuration in Doubly Odd 116I

NUCLEAR REACTIONS 90Zr(31P, 3n2p), E=150 MeV; measured γγ-coin, Eγ, Iγ. 116I deduced high-spin levels, J, π, B(λ) ratios, band structure, configuration.

doi: 10.1088/0954-3899/21/7/011
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1995PA41      Phys.Rev. C52, 2984 (1995)

E.S.Paul, D.B.Fossan, J.M.Sears, I.Thorslund

Favored Noncollective Oblate States in Light Tellurium Isotopes

NUCLEAR STRUCTURE 114,116,118,120,119,115Te; analyzed rigid rotor plots. Cranking calculations, total Routhian surface formalism.

doi: 10.1103/PhysRevC.52.2984
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1995TH05      Phys.Rev. C52, R2839 (1995)

I.Thorslund, D.B.Fossan, D.R.LaFosse, H.Schnare, K.Hauschild, I.M.Hibbert, S.M.Mullins, E.S.Paul, I.Ragnarsson, J.M.Sears, P.Vaska, R.Wadsworth

Intruder Bands in 114Te: Smooth band termination

NUCLEAR REACTIONS 54Fe(63Cu, 3p), E=245 MeV; 64Ni(56Fe, 2nα), E=236 MeV; 90Zr(31P, 2npα), E=150 MeV; measured Eγ, Iγ, γγ(θ). 114Te deduced levels deduced J, π, band structure. Nilsson-Strutinsky cranking calculations.

doi: 10.1103/PhysRevC.52.R2839
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