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NSR database version of April 26, 2024.

Search: Author = P.J.Dagnall

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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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2002LI46      Phys.Rev. C66, 014302 (2002)

X.Liang, R.Chapman, F.Haas, K.-M.Spohr, P.Bednarczyk, S.M.Campbell, P.J.Dagnall, M.Davison, G.de Angelis, G.Duchene, Th.Kroll, S.Lunardi, S.Naguleswaran, M.B.Smith

Candidate for the 6⁺ State in the Yrast Sequence of ³⁶S

NUCLEAR REACTIONS ¹⁶⁰Gd(³⁷Cl, ³⁶S), E=234 MeV; measured Eγ, Iγ, γγ-coin. ³⁶S deduced levels, J, π. Euroball IV array, comparison with previous results, shell model predictions.

doi: 10.1103/PhysRevC.66.014302
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2002LI55      Phys.Rev. C66, 037301 (2002)

X.Liang, R.Chapman, F.Haas, K.-M.Spohr, P.Bednarczyk, S.M.Campbell, P.J.Dagnall, M.Davison, G.de Angelis, G.Duchene, Th.Kroll, S.Lunardi, S.Naguleswaran, M.B.Smith

Observation of Yrast States in Neutron-Rich ⁴¹Cl

NUCLEAR REACTIONS ¹⁶⁰Gd(³⁷Cl, X), E=234 MeV; measured Eγ, Iγ, γγ-coin from decay of projectile-like and target-like fragments. ⁴¹Cl deduced levels, J, π. Comparisons with neighboring isotopes, shell model predictions. Euroball IV array.

doi: 10.1103/PhysRevC.66.037301
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2001LI13      Eur.Phys.J. A 10, 41 (2001)

X.Liang, R.Chapman, K.-M.Spohr, M.B.Smith, P.Bednarczyk, S.Naguleswaran, F.Haas, G.de Angelis, S.M.Campbell, P.J.Dagnall, M.Davison, G.Duchene, Th.Kroll, S.Lunardi, D.J.Middleton

High-Spin States in Neutron-Rich Dy Isotopes Populated in Deep-Inelastic Reactions

NUCLEAR REACTIONS ¹⁶⁰Gd(³⁷Cl, X)¹⁵⁹Dy/¹⁶⁰Dy/¹⁶¹Dy/¹⁶²Dy, E=234 MeV; measured Eγ, Iγ, γγ-coin. ^{159,160,161,162}Dy deduced high-spin levels, J, π, configurations. Euroball IV array, cranked mean-field calculations.

doi: 10.1007/s100500170142
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2001NI13      Phys.Rev. C64, 034313 (2001)

N.Nica, G.Duchene, V.E.Iacob, J.Dudek, F.A.Beck, Th.Byrski, D.Curien, G.de France, B.Haas, B.Kharraja, D.Prevost, C.Petrache, H.Savajols, J.P.Vivien, L.Han, K.Zuber, M.Aiche, M.M.Aleonard, J.F.Chemin, C.W.Beausang, S.Clarke, P.J.Dagnall, M.Smith, P.J.Twin, J.Simpson, M.A.Bentley

High-Spin States in ¹⁵⁵Er

NUCLEAR REACTIONS ¹²³Sb(³⁷Cl, 5n), E=193 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. ¹⁵⁵Er deduced high-spin levels, J, π, δ, configurations, deformation. Eurogam II array. Tilted-Fermi-surface analysis.

doi: 10.1103/PhysRevC.64.034313
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2001SM05      Nucl.Instrum.Methods Phys.Res. A459, 165 (2001)

A.G.Smith, P.J.Dagnall, S.D.Robinson, R.M.Wall, J.N.Wilson

Searching γ-Ray Coincidence Cubes for Independent Decay Sequences

NUCLEAR REACTIONS ⁵⁵Mn(³²S, xnypzα), E=140 MeV; analyzed γγ-coin. ⁸³Y, ⁸³Sr, ⁸⁰Rb deduced transitions. ⁵⁸Ni(⁵⁰Cr, 4p), E=250 MeV; analyzed γγ-, (charged particle)γ-coin. ¹⁰⁴Cd deduced high-spin levels, J, π. Coincidence data search technique.

doi: 10.1016/S0168-9002(00)00982-7
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2000PA33      Eur.Phys.J. A 7, 449 (2000)

E.S.Paul, A.J.Boston, S.Courtin, P.J.Dagnall, J.L.Durell, C.Finck, B.Gall, B.Haas, F.Haas, F.Hannachi, F.Hoellinger, J.C.Lisle, A.Lopez-Martens, J.C.Merdinger, N.Rowley, H.C.Scraggs, O.Stezowski, B.J.Varley, J.P.Vivien

The Low-Spin Structure of ¹¹⁵Xe

NUCLEAR REACTIONS ⁶⁰Ni(⁵⁸Ni, n2p), E=212.3 MeV; measured Eγ, Iγ, γγ-coin. ¹¹⁵Xe deduced levels, J, π, bandhead energies. Level systematics in neighboring isotopes discussed. GABREL+ spectrometer.

doi: 10.1007/s100500050416
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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, 162}Er

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
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2000SM03      Phys.Rev. C61, 034314 (2000)

M.B.Smith, D.E.Appelbe, P.J.Twin, C.W.Beausang, F.A.Beck, M.A.Bentley, D.M.Cullen, D.Curien, P.J.Dagnall, G.de France, G.Duchene, S.Erturk, Ch.Finck, B.Haas, I.M.Hibbert, J.C.Lisle, B.M.Nyako, C.D.O'Leary, C.Rigollet, H.Savajols, J.Simpson, O.Stezowski, J.Styczen, J.P.Vivien, K.Zuber

Deformed Rotational Cascades in ¹⁵²Dy: Further evidence for shape coexistence at high spin

NUCLEAR REACTIONS ¹²⁴Sn(³⁴S, 6n), E=182 MeV; measured Eγ, Iγ, γγ-coin. ¹²⁰Sn(³⁶S, 4n), E=168 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁵²Dy deduced high-spin levels, J, π, T_1/2, quadrupole moments, configurations, shape coexistence. Eurogam array. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.61.034314
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1999SM05      Phys.Lett. 453B, 206 (1999)

A.G.Smith, G.S.Simpson, J.Billowes, J.L.Durell, P.J.Dagnall, S.J.Freeman, M.Leddy, A.A.Roach, J.F.Smith, A.Jungclaus, K.P.Lieb, C.Teich, B.J.P.Gall, F.Hoellinger, N.Schulz, I.Ahmad, J.Greene, A.Algora

Measurements of g-Factors of Excited States in Ba and Ce Nuclei using γ Rays from Secondary Fission Fragments

RADIOACTIVITY ²⁵²Cf(SF); measured Eγ, Iγ, γγ(θ, H, t) in polarized Gd. ^{143,144,145,146}Ba, ^146,148,150Ce levels deduced T_1/2, g-factors. Time-integral perturbed angular correlation technique, Euroball array.

doi: 10.1016/S0370-2693(99)00332-9
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1999SM18      Phys.Rev. C60, 064611 (1999)

A.G.Smith, G.S.Simpson, J.Billowes, P.J.Dagnall, J.L.Durell, S.J.Freeman, M.Leddy, W.R.Phillips, A.A.Roach, J.F.Smith, A.Jungclaus, K.P.Lieb, C.Teich, B.J.P.Gall, F.Hoellinger, N.Schulz, I.Ahmad, J.P.Greene, A.Algora

Correlated Spins of Complementary Fragment Pairs in the Spontaneous Fission of ²⁵²Cf

RADIOACTIVITY ²⁵²Cf(SF); measured Eγ, Iγ(θ), γγ-coin from fission fragment decay; deduced correlated emission angles between fragment pairs. ²⁴⁸Cm(SF); analyzed Eγ, Iγ(θ), γγ-coin from fission fragment decay; deduced small interfragment correlations. Euroball array.

doi: 10.1103/PhysRevC.60.064611
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1997DA16      Z.Phys. A358, 257 (1997)

P.J.Dagnall

A Comparison of the Known SD Bands in the Mass A ≈ 80 Region

NUCLEAR STRUCTURE ^80,81,82,83Sr, ⁸²Y, ^83,84Zr; analyzed superdeformed band data. Cranked shell model.

doi: 10.1007/s002180050323
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1997PA35      Nucl.Phys. A627, 334 (1997)

Q.Pan, M.De Poli, E.Farnea, C.Fahlander, D.De Acuna, G.de Angelis, D.Bazzacco, F.Brandolini, A.Buscemi, P.J.Dagnall, A.Gadea, S.Lunardi, D.R.Napoli, C.M.Petrache, M.N.Rao, C.Rossi Alvarez, A.G.Smith, P.Spolaore, G.Vedovato, C.A.Ur, L.H.Zhu

Proton and Neutron Alignments in the Doubly Odd Nucleus ⁷⁶Br

NUCLEAR REACTIONS ⁵⁵Mn(³⁰Si, n2α), E=130 MeV; measured Eγ, Iγ, γγ-coin. ⁷⁶Br deduced high-spin levels, J, π, band structure, signature inversion, quasiparticle alignment, triaxial deformation.

doi: 10.1016/S0375-9474(97)00465-X
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1997SM11      Acta Phys.Hung.N.S. 6, 305 (1997)

M.B.Smith, D.E.Appelbe, C.W.Beausang, P.J.Twin, S.Asztalos, M.A.Bentley, R.M.Clark, D.M.Cullen, P.J.Dagnall, M.A.Deleplanque, R.M.Diamond, S.Erturk, P.Fallon, Ch.Finck, B.Haas, A.O.Macchiavelli, C.Rigollet, H.Savayols, O.Stezowski

The Search for Hyperdeformation in ¹⁵²Dy

NUCLEAR REACTIONS ¹²⁰Sn(³⁷Cl, 4np), E=185, 190 MeV; ¹²⁴Sn(³⁴S, 6n), E=182 MeV; measured Eγ, Iγ, γγ-coin. ¹⁵²Dy deduced no clear evidence for hyperdeformed states.

1996DA20      Acta Phys.Pol. B27, 155 (1996)

P.J.Dagnall, A.G.Smith, J.C.Lisle, D.H.Smalley, R.Chapman, C.Finck, B.Haas, M.J.Leddy, D.Prevost, N.Rowley, H.Savajols, T.R.Werner, W.Nazarewicz

The Observation of Superdeformed Structure in Mass 80 Nuclei

NUCLEAR REACTIONS ⁵⁸Ni(³⁰Si, X), E=134 MeV; measured γγ-coin. ⁸²Sr, ⁸²Y deduced high-spin levels, J, π, superdeformed bands evidence.

1996FO01      Z.Phys. A354, 169 (1996)

N.Fotiades, S.Harissopulos, C.A.Kalfas, S.Kossionides, C.T.Papadopoulos, R.Vlastou, M.Serris, J.F.Sharpey-Schafer, M.J.Joyce, C.W.Beausang, P.J.Dagnall, P.D.Forsyth, S.J.Gale, P.M.Jones, E.S.Paul, P.J.Twin, J.Simpson, D.M.Cullen, P.Fallon, M.A.Riley, R.M.CLark, K.Hauschild, R.Wadsworth

High Spin Structures in ¹⁹⁴Hg

NUCLEAR REACTIONS ¹⁵⁰Nd(⁴⁸Ca, 4n), E=213 MeV; measured γγ-coin. ¹⁹⁴Hg deduced high-spin levels, J, π, B(λ) ratios.

doi: 10.1007/s002180050029
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1996JO19      Nucl.Phys. A609, 201 (1996)

M.A.Jones, W.Urban, J.L.Durell, M.Leddy, W.R.Phillips, B.J.Varley, P.J.Dagnall, A.G.Smith, D.M.Thompson, Ch.Vieu, J.S.Dionisio, C.Schuck, M.Pautrat

Study of Excited Levels in ¹⁴⁹Pm

NUCLEAR REACTIONS ¹⁵⁰Nd(d, 3n), E=18 MeV; measured Eγ, γγ-, (ce)γ-coin. ¹⁴⁹Pm deduced levels J, π, Iγ, B(λ) branchings ratios, multi-particle configurations, octupole deformation, ICC.

doi: 10.1016/S0375-9474(96)00308-9
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1996SM07      Nucl.Phys. A611, 96 (1996)

D.H.Smalley, R.Chapman, P.J.Dagnall, C.Finck, B.Haas, M.J.Leddy, J.C.Lisle, D.Prevost, H.Savajols, A.G.Smith

Gamma-Ray Spectroscopy of ⁷⁹Rb and ⁸¹Sr

NUCLEAR REACTIONS ⁵⁸Ni(³⁰Si, n2pα), ⁵⁸Ni(³⁰Si, p2α), E=134 MeV; measured γγ-coin. ⁷⁹Rb, ⁸¹Sr deduced high-spin levels, J, π, band structure. TRS calculations, routhians, alignments, cranked shell model calculations.

doi: 10.1016/S0375-9474(96)00286-2
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1995BE20      J.Phys.(London) G21, L21 (1995)

M.A.Bentley, C.W.Beausang, P.J.Twin, P.J.Dagnall, A.Atac, F.A.Beck, Th.Byrski, S.Clarke, D.M.Curien, G.Duchene, G.de France, P.D.Forsyth, B.Herskind, B.Haas, J.C.Lisle, B.M.Nyako, J.Nyberg, E.S.Paul, J.Simpson, J.Styczen, J.P.Vivien, K.Zuber

Search for Linking Transitions between the Superdeformed and Normal Deformed States in ¹⁵²Dy

NUCLEAR REACTIONS ¹⁰⁸Pd(⁴⁸Ca, 4n), E=200 MeV; measured γγγ-coin, Eγ, Iγ. ¹⁵²Dy deduced superdeformed, normal deformed high-spin states linking transitions evidence.

doi: 10.1088/0954-3899/21/4/001
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1995DA30      Z.Phys. A353, 251 (1995)

P.J.Dagnall, A.G.Smith, J.C.Lisle, D.H.Smalley, R.Chapman, C.Finck, B.Haas, M.Leddy, D.Prevost, N.Rowley, H.Savajols

The Observation of a Superdeformed Structure in ⁸²Y

NUCLEAR REACTIONS ⁵⁸Ni(³⁰Si, npα), E=134 MeV; measured γγ-coin. ⁸²Y deduced high-spin states decay features, superdeformed structure evidence.

doi: 10.1007/BF01292329
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1995FO13      J.Phys.(London) G21, 911 (1995)

N.Fotiades, S.Harissopulos, C.A.Kalfas, S.Kossionides, C.T.Papadopoulos, R.Vlastou, M.Serris, M.Meyer, N.Redon, R.Duffait, Y.Le Coz, L.Ducroux, F.Hannachi, I.Deloncle, B.Gall, M.G.Porquet, C.Schuck, F.Azaiez, J.Duprat, A.Korichi, J.F.Sharpey-Schafer, M.J.Joyce, C.W.Beausang, P.J.Dagnall, P.D.Forsyth, S.J.Gale, P.M.Jones, E.S.Paul, J.Simpson, R.M.Clark, K.Hauschild, R.Wadsworth

Highly Excited ΔI = 1 Structure in ¹⁹³Hg

NUCLEAR REACTIONS ¹⁵⁰Nd(⁴⁸Ca, 5n), E=213 MeV; measured γγ-coin, γγ(θ). ¹⁹³Hg deduced high-spin levels, J, π, decay features. Enriched targets, Ge detectors. Cranked shell model interpretation.

1995KH06      Phys.Lett. 341B, 268 (1995)

B.Kharraja, T.Byrski, F.A.Beck, C.W.Beausang, M.A.Bentley, D.Curien, P.J.Dagnall, G.Duchene, S.Flibotte, G.de France, Zs.Fulop, B.Haas, A.Z.Kiss, J.C.Lisle, C.M.Petrache, Ch.Theisen, P.J.Twin, J.P.Vivien, K.Zuber

Unfavoured Signature Partner Superdeformed Bands Associated with Proton Excitations in ¹⁵¹Tb

NUCLEAR REACTIONS ¹³⁰Te(²⁷Al, X), E=154 MeV; measured Eγ, multiplicities. ¹⁵¹Tb deduced high-spin superdeformed bands, configurations. Self-consistent relativistic Hartree-Fock model comparison.

doi: 10.1016/0370-2693(94)01345-D
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1995PE16      Phys.Scr. T56, 299 (1995)

C.M.Petrache, G.Duchene, C.W.Beausang, F.A.Beck, T.Byrski, D.Curien, P.J.Dagnall, S.Flibotte, P.D.Forsyth, G.de France, B.Haas, B.Kharraja, A.Kiss, J.C.Merdinger, D.Prevost, C.Schuck, C.Theisen, P.J.Twin, J.P.Vivien

Decay Out of Superdeformed Bands in Tb Isotopes

NUCLEAR REACTIONS ¹³⁰Te(²⁷Al, xn), E=154 MeV; measured Eγ, Iγ, γγ-coin. ¹⁵²Tb deduced high-spin levels, J, π. ^150,151Tb deduced high-spin levels, J, π, superdeformed band decay features.

doi: 10.1088/0031-8949/1995/T56/054
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1995SM08      Phys.Lett. 355B, 32 (1995)

A.G.Smith, P.J.Dagnall, J.C.Lisle, D.H.Smalley, T.R.Werner, R.Chapman, C.Finck, B.Haas, M.Leddy, W.Nazarewicz, D.Prevost, N.Rowley, H.Savajols

Observation of Superdeformation in ⁸²Sr

NUCLEAR REACTIONS ⁵⁸Ni(³⁰Si, 2pα), (³⁰Si, X), E=134 MeV; measured γγ-coin. ⁸²Sr deduced high-spin levels, superdeformed bands, configuration. Cranked Woods-Saxon calculations.

doi: 10.1016/0370-2693(95)00735-4
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1994CL01      Phys.Rev. C50, 84 (1994)

R.M.Clark, R.Wadsworth, H.R.Andrews, C.W.Beausang, M.Bergstrom, S.Clarke, E.Dragulescu, T.Drake, P.J.Dagnall, A.Galindo-Uribarri, G.Hackman, K.Hauschild, I.M.Hibbert, V.P.Janzen, P.M.Jones, R.W.MacLeod, S.M.Mullins, E.S.Paul, D.C.Radford, A.Semple, J.F.Sharpey-Schafer, J.Simpson, D.Ward, G.Zwartz

Recoil Distance Lifetime Measurements of States in the Oblate Dipole Bands of ^197,198Pb

NUCLEAR REACTIONS ¹⁷⁶Yb(²⁶Mg, xn), E=125 MeV; ¹⁸⁶W(¹⁸O, xn), E=113 MeV; measured γγ-coin, DSA, Eγ. ^197,198Pb deduced high-spin levels B(λ), T_1/2, quadrupole moments, γ-branching ratio. Donau-Frauendorf model, tilted axis cranking model. Enriched targets, Ge detection, BGO suppression shields.

doi: 10.1103/PhysRevC.50.84
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1994CL02      Phys.Rev. C50, 1222 (1994)

R.M.Clark, R.Wadsworth, K.Hauschild, I.M.Hibbert, E.Dragulescu, C.W.Beausang, M.H.Bergstrom, S.Clarke, P.J.Dagnall, P.M.Jones, E.S.Paul, A.T.Semple, J.F.Sharpey-Schafer, J.Simpson, W.Satula, R.Wyss

Superdeformation in the Pb Nuclei and the Evolution of the Dynamic Moments of Inertia

NUCLEAR REACTIONS ¹⁸⁶W(¹⁸O, xn), E=113 MeV; measured Eγ, Iγ, γγ-coin. ^194,196,198Pb deduced superdeformed band features, dynamic moments of inertia. Comparison with cranked Woods-Saxon calculations. Enriched targets, hyperpure Ge detectors, BGO suppression shields.

doi: 10.1103/PhysRevC.50.1222
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1994DA17      J.Phys.(London) G20, 1591 (1994)

P.J.Dagnall, C.W.Beausang, R.M.Clark, R.Wadsworth, S.Bhattacharjee, P.Fallon, P.D.Forsyth, D.B.Fossan, G.de France, S.J.Gale, F.Hannachi, K.Hauschild, I.M.Hibbert, H.Hubel, P.M.Jones, M.J.Joyce, A.Korichi, W.Korten, D.R.LaFosse, E.S.Paul, H.Schnare, K.Starosta, J.F.Sharpey-Schafer, P.J.Twin, P.Vaska, M.P.Waring, J.N.Wilson

Oblate Bands in A ≈ 200 Bismuth Nuclei

NUCLEAR REACTIONS ¹⁸⁶W(¹⁹F, 5n), (¹⁹F, 6n), (¹⁹F, 7n), E=115, 105 MeV; ¹⁹⁸Pt(¹¹B, 6n), (¹¹B, 5n), E=74 MeV; measured γγ-coin. ^{198,199,200,203,204}Bi deduced high-spin levels, J, π, band structure.

1994DA20      Phys.Lett. 335B, 313 (1994)

P.J.Dagnall, C.W.Beausang, P.J.Twin, M.A.Bentley, F.A.Beck, Th.Byrski, S.Clarke, D.Curien, G.Duchene, G.de France, P.D.Forsyth, B.Haas, J.C.Lisle, E.S.Paul, J.Simpson, J.Styczen, J.P.Vivien, J.N.Wilson, K.Zuber

Excited Bands in the Doubly-Magic Superdeformed ¹⁵²Dy Nucleus: Evidence for the first N = 7 proton hyper-intruder orbital

NUCLEAR REACTIONS ¹⁰⁸Pd(⁴⁸Ca, 4n), E=200 MeV; measured γγ-coin, Eγ, Iγ. ¹⁵²Dy deduced high-spin levels, J, π, superdeformed bands, configurations.

doi: 10.1016/0370-2693(94)90356-5
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1994DE33      Phys.Lett. 331B, 290 (1994)

G.de France, B.Haas, I.Ragnarsson, P.J.Twin, C.W.Beausang, F.A.Beck, T.Byrski, S.Clarke, D.Curien, P.J.Dagnall, G.Duchene, P.Fallon, S.Flibotte, S.Forbes, P.D.Forsyth, B.Kharraja, J.C.Lisle, J.C.Merdinger, C.M.Petrache, D.Prevost, J.F.Sharpey-Schafer, J.Simpson, J.P.Vivien, K.Zuber

Neutron Excitations Across the N = 86 Superdeformed Shell Gap

NUCLEAR STRUCTURE ¹⁴⁹Gd, ^152,151Tb, ¹⁵²Dy; analyzed Eγ data; deduced superdeformed high-spin bands features.

doi: 10.1016/0370-2693(94)91054-5
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1994DU13      Z.Phys. A350, 39 (1994)

G.Duchene, C.M.Petrache, C.W.Beausang, F.A.Beck, T.Byrski, D.Curien, P.J.Dagnall, S.Flibotte, P.D.Forsyth, G.de France, B.Haas, B.Kharraja, J.C.Merdinger, D.Prevost, C.Schuck, C.Theisen, P.J.Twin, J.P.Vivien

High Spin States in the Nucleus ¹⁵⁰Tb

NUCLEAR REACTIONS ¹³⁰Te(²⁷Al, 7n), E=154 MeV; measured γγ-coin. ¹⁵⁰Tb deduced high-spin levels, J, π, configurations, yrast superdeformed band decay features. Deformed independent particle model.

1994FA13      Phys.Rev.Lett. 73, 782 (1994)

P.Fallon, C.W.Beausang, S.Clarke, P.J.Twin, F.A.Beck, Th.Byrski, D.Curien, P.J.Dagnall, G.de France, G.Duchene, P.D.Forsyth, B.Haas, M.J.Joyce, A.O.Macchiavelli, E.S.Paul, J.F.Sharpey-Schafer, J.Simpson, J.P.Vivien, S.Aberg, W.Nazarewicz

Pair Excitaions and a Proton Band Crossing in Superdeformed ¹⁵⁰Gd

NUCLEAR REACTIONS ¹³⁰Te(²⁶Mg, 6n), E=149 MeV; measured γγ-coin. ¹⁵⁰Gd deduced superdeformed high-spin band, configuration, dynamic moments of inertia, relative Iγ.

doi: 10.1103/PhysRevLett.73.782
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1994JO10      Phys.Lett. 340B, 150 (1994)

M.J.Joyce, J.F.Sharpey-Schafer, M.A.Riley, D.M.Cullen, F.Azaiez, C.W.Beausang, R.M.Clark, P.J.Dagnall, I.Deloncle, J.Duprat, P.Fallon, P.D.Forsyth, N.Fotiades, S.J.Gale, B.Gall, F.Hannachi, S.Harissopulos, K.Hauschild, P.M.Jones, C.A.Kalfas, A.Korichi, Y.Le Coz, M.Meyer, E.S.Paul, M.G.Porquet, N.Redon, C.Schuck, J.Simpson, R.Vlastou, R.Wadsworth, W.Nazarewicz

The N = 7 Unfavoured Superdeformed Band in ¹⁹³Hg: Coriolis splitting and neutron shell structure at extreme deformation

NUCLEAR REACTIONS ¹⁵⁰Nd(⁴⁸Ca, 5n), E=213 MeV; measured γγ-coin, Eγ, Iγ. ¹⁹³Hg deduced high-spin levels, J, π, superdeformed band.

doi: 10.1016/0370-2693(94)01285-7
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1993BE37      Phys.Rev.Lett. 71, 1800 (1993)

C.W.Beausang, P.Fallon, S.Clarke, F.A.Beck, Th.Byrski, D.Curien, P.J.Dagnall, G.de France, G.Duchene, P.D.Forsyth, B.Haas, M.J.Joyce, A.O.Macchiavelli, E.S.Paul, J.F.Sharpey-Schafer, J.Simpson, P.J.Twin, J.P.Vivien

Degnerate Superdeformed States in ¹⁵⁰Gd

NUCLEAR REACTIONS ¹³⁰Te(²⁶Mg, 6n), E=149 MeV; measured γγγ-coin. ¹⁵⁰Gd deduced levels, J, π, superdeformed state degeneracy features.

doi: 10.1103/PhysRevLett.71.1800
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1993CL02      J.Phys.(London) G19, L57 (1993)

R.M.Clark, R.Wadsworth, F.Azaiez, C.W.Beausang, A.M.Bruce, P.J.Dagnall, P.Fallon, P.M.Jones, M.J.Joyce, A.Korichi, E.S.Paul, J.F.Sharpey-Schafer

First Observation of Collective Dipole Rotational Bands in the Neutron-Deficient Bismuth Nuclei

NUCLEAR REACTIONS ¹⁹⁶Pt(¹¹B, 5n), E=75 MeV; measured γγ-sum coincidence spectra, γγ(θ), Eγ, Iγ. ²⁰²Bi deduced levels, transition γ multipolarity, band structure, shape features.

doi: 10.1088/0954-3899/19/4/001
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1993CL05      Nucl.Phys. A562, 121 (1993)

R.M.Clark, R.Wadsworth, E.S.Paul, C.W.Beausang, I.Ali, A.Astier, D.M.Cullen, P.J.Dagnall, P.Fallon, M.J.Joyce, M.Meyer, N.Redon, P.H.Regan, J.F.Sharpey-Schafer, W.Nazarewicz, R.Wyss

Collective Oblate Dipole Rotational Bands in ¹⁹⁸Pb

NUCLEAR REACTIONS ¹⁸⁶W(¹⁷O, xn), E=92, 98, 110 MeV; measured Eγ, Iγ, γγ-coin. ¹⁹⁸Pb deduced levels, band structure. Compton-suppressed Ge detectors. Cranked Woods-Saxon calculations.

doi: 10.1016/0375-9474(93)90036-W
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1993DA04      J.Phys.(London) G19, 465 (1993)

P.J.Dagnall, C.W.Beausang, P.Fallon, P.D.Forsyth, E.S.Paul, J.F.Sharpey-Schafer, P.J.Twin, I.Ali, D.M.Cullen, M.J.Joyce, G.Smith, R.Wadsworth, R.M.Clark, P.H.Regan, A.Astier, M.Meyer, N.Redon

Coexistence of Collective Oblate and Superdeformed Prolate Shapes in ¹⁹⁶Pb

NUCLEAR REACTIONS ¹⁸⁴W(¹⁶O, 4n), E=98 MeV; ¹⁸⁶W(¹⁶O, 6n), E=120 MeV; measured γγ-coin. ¹⁹⁶Pb deduced levels, J, π, collective oblate, superdeformed prolate band coexistence.

doi: 10.1088/0954-3899/19/3/014
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1993FL07      Phys.Rev.Lett. 71, 4299 (1993)

S.Flibotte, H.R.Andrews, G.C.Ball, C.W.Beausang, F.A.Beck, G.Belier, T.Byrski, D.Curien, P.J.Dagnall, G.de France, D.Disdier, G.Duchene, Ch.Finck, B.Haas, G.Hackman, D.S.Haslip, V.P.Janzen, B.Kharraja, J.C.Lisle, J.C.Merdinger, S.M.Mullins, W.Nazarewicz, D.C.Radford, V.Rauch, H.Savajols, J.Styczen, Ch.Theisen, P.J.Twin, J.P.Vivien, J.C.Waddington, D.Ward, K.Zuber, S.Aberg

ΔI = 4 Bifurcation in a Superdeformed Band: Evidence for a C₄ symmetry

NUCLEAR REACTIONS ¹²⁴Sn(³⁰Si, 5n), E=158 MeV; measured Eγ, Iγ, γγ-coin. ¹⁴⁹Gd deduced yrast superdeformed band moment of inertia, evidence for fourfold rotational symmetry.

doi: 10.1103/PhysRevLett.71.4299
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1993HA20      Nucl.Phys. A557, 75c (1993)

F.Hannachi, C.Schuck, G.Bastin, I.Deloncle, B.Gall, M.G.Porquet, A.G.Smith, F.Azaiez, C.Bourgeois, J.Duprat, A.Korichi, N.Perrin, N.Poffe, H.Sergolle, A.Astier, Y.Le Coz, M.Meyer, N.Redon, M.Bentley, J.Simpson, J.F.Sharpey-Schafer, M.J.Joyce, C.W.Beausang, P.Fallon, E.S.Paul, P.J.Dagnall, S.A.Forbes, S.Gale, P.M.Jones, R.Wadsworth, R.M.Clark, M.M.Aleonard, D.Curien, G.De France, M.Carpenter, R.Henry, T.Lauritsen, P.Willsau

Study of the Superdeformed Band in ¹⁹⁴Pb and ¹⁹²Hg with EUROGAM

NUCLEAR REACTIONS ¹⁶²Dy(³⁶S, 4n), E=162 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁶⁰Gd(³⁶S, 4n), E=159 MeV; measured γγ-coin. ¹⁹⁴Pb deduced decay out of superdeformed band.

doi: 10.1016/0375-9474(93)90532-3
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1993JO09      Phys.Rev.Lett. 71, 2176 (1993)

M.J.Joyce, J.F.Sharpey-Schafer, P.J.Twin, C.W.Beausang, D.M.Cullen, M.A.Riley, R.M.Clark, P.J.Dagnall, I.Deloncle, J.Duprat, P.Fallon, P.D.Forsyth, N.Fotiades, S.J.Gale, B.Gall, F.Hannachi, S.Harissopulos, K.Hauschild, P.M.Jones, C.A.Kalfas, A.Korichi, Y.Le Coz, M.Meyer, E.S.Paul, M.G.Porquet, N.Redon, C.Schuck, J.Simpson, R.Vlastou, R.Wadsworth

First Measurement of Magnetic Properties in a Superdeformed Nucleus: ¹⁹³Hg

NUCLEAR REACTIONS ¹⁵⁰Nd(⁴⁸Ca, 5n), E=213 MeV; measured γγ-coin. ¹⁹³Hg deduced levels, J, π, B(λ), M1/E2 branching ratios, superdeformed bands linking, g factor. Strong coupling model.

doi: 10.1103/PhysRevLett.71.2176
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1992CL01      Phys.Lett. 275B, 247 (1992)

R.M.Clark, R.Wadsworth, E.S.Paul, C.W.Beausang, I.Ali, A.Astier, D.M.Cullen, P.J.Dagnall, P.Fallon, M.J.Joyce, M.Meyer, N.Redon, P.H.Regan, W.Nazarewicz, R.Wyss

First Observation of a Collective Dipole Rotational Band in the A ≈ 200 Mass Region

NUCLEAR REACTIONS ¹⁸⁶W(¹⁷O, 5n), E=92, 98 MeV; measured Eγ, Iγ, γγ(θ). ¹⁹⁸Pb deduced levels, J, π, γ-multipolarity, rotational band, shape features.

doi: 10.1016/0370-2693(92)91585-W
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1992CL05      Z.Phys. A342, 371 (1992)

R.M.Clark, R.Wadsworth, E.S.Paul, C.W.Beausang, I.Ali, A.Astier, D.M.Cullen, P.J.Dagnall, P.Fallon, M.J.Joyce, M.Meyer, N.Redon, P.H.Regan, J.F.Sharpey-Schafer, W.Nazarewicz, R.Wyss

Collective Dipole Rotational Bands in ¹⁹⁷Pb

NUCLEAR REACTIONS ¹⁸⁶W(¹⁷O, 6n), E=98, 110 MeV; measured Eγ, Iγ, sum coincidence spectra. ¹⁹⁷Pb deduced collective rotational bands, transition γ-multipolarity.

doi: 10.1007/BF01291521
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