NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = P.J.Twin Found 136 matches. Showing 1 to 100. [Next]2023SI08 Phys.Rev. C 107, 054305 (2023) J.Simpson, M.A.Riley, A.Pipidis, E.S.Paul, X.Wang, P.J.Nolan, J.F.Sharpey-Schafer, A.Aguilar, D.E.Appelbe, A.D.Ayangeakaa, A.J.Boston, H.C.Boston, D.B.Campbell, M.P.Carpenter, C.J.Chiara, P.T.W.Choy, R.M.Clark, M.Cromaz, A.O.Evans, P.Fallon, U.Garg, A.Gorgen, D.J.Hartley, R.V.F.Janssens, D.T.Joss, D.S.Judson, F.G.Kondev, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, J.T.Matta, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Teal, P.J.Twin, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Evolution of structure and shapes in 158Er to ultrahigh spin NUCLEAR REACTIONS 114Cd(48Ca, 4n)158Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 158Er; deduced levels, J, π, high-spin states, angular intensity ratios, δ, B(M1/E2) ratios, nuclear shapes, alignments, rotational bands, configurations, band terminating states and feeding, transition quadrupole moments for triaxial strongly deformed bands, moment of inertia. Comparison with cranked Nilsson-Strutinski calculations. Systematics of triaxial strongly deformed bands in 158Er, 160Er, 152Dy, 163Lu. Gammasphere array of escape-suppressed HPGe detectors at 88-inch cyclotron-LBNL and ATLAS-ANL facilities.
doi: 10.1103/PhysRevC.107.054305
2009RI05 Acta Phys.Pol. B40, 513 (2009) M.A.Riley, A.Aguilar, A.O.Evans, D.J.Hartley, K.Lagergren, J.Ollier, E.S.Paul, A.Pipidis, J.Simpson, C.Teal, P.J.Twin, X.Wang, D.E.Appelbe, D.B.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, I.G.Darby, P.Fallon, U.Garg, R.V.F.Janssens, D.T.Joss, F.G.Kondev, T.Lauritsen, I.Y.Lee, C.J.Lister, A.O.Macchiavelli, P.J.Nolan, M.Petri, S.V.Rigby, J.Thompson, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Strongly Deformed Nuclear Shapes at Ultra-High Spin and Shape Coexistence in ∼ 90 Nuclei
2007BE20 Phys.Rev. C 75, 047301 (2007) G.Benzoni, J.Robin, A.Bracco, F.C.L.Crespi, A.De Conto, S.Leoni, B.Million, D.Montanari, G.Duchene, D.Curien, Th.Byrski, F.A.Beck, P.Bednarczyk, S.Courtin, O.Dorvaux, B.J.P.Gall, P.Joshi, A.Nourreddine, I.Piqueras, J.P.Vivien, P.J.Twin Selective studies of the excited rotational bands in the superdeformed nucleus 151Tb NUCLEAR REACTIONS 130Te(27Al, 6n), E=155 MeV; measured Eγ, Iγ, γγ-coin. 151Tb deduced unresolved superdeformed bands, decay-out features. Euroball IV array, comparison with band mixing model predictions.
doi: 10.1103/PhysRevC.75.047301
2007PA03 Phys.Rev.Lett. 98, 012501 (2007) E.S.Paul, P.J.Twin, A.O.Evans, A.Pipidis, M.A.Riley, J.Simpson, D.E.Appelbe, D.B.Campbell, P.T.W.Choy, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, D.T.Joss, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.Ward, I.Ragnarsson Return of Collective Rotation in 157Er and 158Er at Ultrahigh Spin NUCLEAR REACTIONS 114Cd(48Ca, 4n), (48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 157,158Er deduced high-spin levels, J, π, configurations, collective rotation above band-terminating states. Gammasphere array, cranked Nilsson-Strutinsky calculations.
doi: 10.1103/PhysRevLett.98.012501
2002AP04 Phys.Rev. C66, 044305 (2002) D.E.Appelbe, P.J.Twin, C.W.Beausang, D.M.Cullen, D.Curien, G.Duchene, S.Erturk, Ch.Finck, B.Haas, E.S.Paul, D.C.Radford, C.Rigollet, M.B.Smith, O.Stezowski, J.C.Waddington, A.N.Wilson Evidence for triaxial deformation near N = 86: Collective bands in 152, 153Dy and 153Ho NUCLEAR REACTIONS 120Sn(37Cl, 4n), E=177 MeV; 124Sn(34S, 5n), E=182 MeV; measured Eγ, Iγ, γγ-coin. 153Ho, 153Dy deduced high-spin levels, J, π, configurations, triaxial deformation. Eurogam II array, cranked mean-field calculations. NUCLEAR STRUCTURE 152Dy; analyzed data; deduced triaxial superdeformed band. Cranked mean-field analysis.
doi: 10.1103/PhysRevC.66.044305
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
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, T1/2, quadrupole moments, configurations, shape coexistence. Eurogam array. Cranked mean-field calculations.
doi: 10.1103/PhysRevC.61.034314
1999FI12 Phys.Lett. 467B, 15 (1999) Ch.Finck, O.Stezowski, N.Kintz, J.P.Vivien, K.Zuber, A.Nourreddine, D.E.Appelbe, C.W.Beausang, F.A.Beck, T.Byrski, S.Courtin, D.Curien, G.de France, G.Duchene, S.Erturk, B.J.P.Gall, B.Haas, N.Khadiri, E.Pachoud, C.Rigollet, M.Smith, Ch.Theisen, P.J.Twin First Evidence for Linking Transitions between the Superdeformed Yrast Band and the Normal Deformed States in 149Gd NUCLEAR REACTIONS 124Sn(30Si, 5n), E=158 MeV; measured Eγ, Iγ, γγ-coin. 149Gd deduced high-spin levels, J, π, superdeformed band linking transitions. Eurogam II array.
doi: 10.1016/S0370-2693(99)01139-9
1998BE06 Phys.Lett. 417B, 13 (1998) C.W.Beausang, P.Fallon, D.E.Appelbe, S.Asztalos, R.M.Clark, S.Clarke, B.Cederwall, M.A.Deleplanque, R.M.Diamond, S.Erturk, W.Kelly, I.Y.Lee, A.O.Macchiavelli, D.C.Patterson, M.B.Smith, F.S.Stephens, P.J.Twin, A.N.Wilson Lifetimes of Yrast and Excited Superdeformed State in 150Gd: Effect of particle-hole excitations on the deformation NUCLEAR REACTIONS 130Te(26Mg, 6n), E=149 MeV; measured Eγ, Iγ, γγ-coin, DSA. 150Gd deduced high-spin levels, superdeformed bands T1/2, quadrupole moments, configurations.
doi: 10.1016/S0370-2693(97)01347-6
1998BY02 Phys.Rev. C57, 1151 (1998) Th.Byrski, O.Stezowski, K.Zuber, D.Appelbe, C.W.Beausang, F.A.Beck, A.Bouguettoucha, D.Curien, G.de France, G.Duchene, S.Erturk, C.Finck, B.Gall, B.Haas, A.Z.Kiss, N.Khadiri, B.Kharraja, A.Nourreddine, D.Prevost, H.Savajols, M.Smith, P.J.Twin, J.P.Vivien Extended Spectroscopy in the Superdeformed Well of 148, 149Gd Nuclei NUCLEAR REACTIONS 124Sn(30Si, 5n), (30Si, 6n), E=158 MeV; measured Eγ, Iγ, γγ-coin. 148,149Gd deduced high-spin levels J, π, superdeformed bands, configurations.
doi: 10.1103/PhysRevC.57.1151
1998FI01 Eur.Phys.J. A 2, 123 (1998) C.Finck, O.Stezowski, F.A.Beck, D.E.Appelbe, T.Byrski, S.Courtin, D.M.Cullen, D.Curien, G.de France, G.Duchene, S.Erturk, B.J.P.Gall, U.Garg, B.Haas, N.Khadiri, B.Kharraja, N.Kintz, A.Nourreddine, D.Prevost, C.Rigollet, H.Savajols, P.J.Twin, J.P.Vivien, K.Zuber Quadrupole Moment of Superdeformed Bands in 151Tb NUCLEAR REACTIONS 130Te(27Al, 6n), E=152 MeV; measured Eγ, Iγ, γγ-coin, DSA. 151Tb deduced superdeformed bands transitions T1/2, quadrupole moments, configuration.
doi: 10.1007/s100500050100
1997AP02 Phys.Rev. C56, 2490 (1997) D.E.Appelbe, C.W.Beausang, D.M.Cullen, M.B.Smith, P.J.Twin, D.Curien, G.Duchene, C.Finck, B.Kharraja, B.Haas, C.Rigollet, O.Stezowski, A.N.Wilson Superdeformed Bands in 153Ho NUCLEAR REACTIONS 120Sn(37Cl, 4n), E=177 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 153Ho deduced high-spin, superdeformed levels, band structure, transition multipolarity. Cranked shell model analysis.
doi: 10.1103/PhysRevC.56.2490
1997AP05 Acta Phys.Hung.N.S. 6, 285 (1997) D.E.Appelbe, C.W.Beausang, D.M.Cullen, G.Duchene, Ch.Finck, C.Rigollet, M.B.Smith, O.Stezowski, P.J.Twin Superdeformed Bands in 153Ho NUCLEAR REACTIONS 120Sn(37Cl, 4n), E=177 MeV; measured Eγ, Iγ, γγ-coin. 153Ho deduced superdeformed bands, configurations.
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.
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
1996SA15 Phys.Rev.Lett. 76, 4480 (1996) H.Savajols, A.Korichi, D.Ward, D.Applebe, G.C.Ball, C.Beausang, F.A.Beck, T.Byrski, D.Curien, P.Dagnall, G.de France, D.Disdier, G.Duchene, S.Erturk, C.Finck, S.Flibotte, B.Gall, A.Galindo-Uribarri, B.Haas, G.Hackman, V.P.Janzen, B.Kharraja, J.C.Lisle, J.C.Merdinger, S.M.Mullins, S.Pilotte, D.Prevost, D.C.Radford, V.Rauch, C.Rigollet, D.Smalley, M.B.Smith, O.Stezowski, J.Styczen, Ch.Theisen, P.J.Twin, J.P.Vivien, J.C.Waddington, K.Zuber, I.Ragnarsson Lifetime Measurements of Superdeformed Bands in 148-149Gd and 152Dy: Evidence for structure-dependent elongations NUCLEAR REACTIONS 124Sn(30Si, 6n), (30Si, 5n), E=158 MeV; 120Sn(36S, 4n), E=170 MeV; measured DSA, γγ-coin. 148,149Gd, 152Dy deduced levels, J, π, band structure deformation features, quadrupole moments, superdeformed bands T1/2.
doi: 10.1103/PhysRevLett.76.4480
1996TH06 Phys.Rev. C54, 2910 (1996) Ch.Theisen, N.Khadiri, J.P.Vivien, I.Ragnarsson, C.W.Beausang, F.A.Beck, G.Belier, T.Byrski, D.Curien, G.de France, D.Disdier, G.Duchene, Ch.Finck, S.Flibotte, B.Gall, B.Haas, H.Hanine, B.Herskind, B.Kharraja, J.C.Merdinger, A.Nourreddine, B.M.Nyako, G.E.Perez, D.Prevost, O.Stezowski, V.Rauch, C.Rigollet, H.Savajols, J.Sharpey-Schafer, P.J.Twin, L.Wei, K.Zuber Favored Neutron Excitations in Superdeformed 147Gd NUCLEAR REACTIONS 122Sn(30Si, 5n), E=158 MeV; measured Eγ, Iγ, γγ-, high-fold-coin. 147Gd deduced high-spin levels, superdeformed bands, configurations, effective alignments. Nilsson-Strutinsky cranking model calculations. Compton suppressed Ge detectors EUROGAM array.
doi: 10.1103/PhysRevC.54.2910
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
1995BE65 Nucl.Instrum.Methods Phys.Res. A364, 560 (1995) C.W.Beausang, D.Prevost, M.H.Bergstrom, G.de France, B.Haas, J.C.Lisle, Ch.Theisen, J.Timar, P.J.Twin, J.N.Wilson Using High-Fold Data from the New Generation of γ-Ray Detector Arrays NUCLEAR REACTIONS 124Sn(30Si, 5n), E=162 MeV; 124Sn(34S, 6n), E=182 MeV; measured γγ-coin spectra; deduced data analysis associated problems. High efficiency γ-ray spectrometers.
doi: 10.1016/0168-9002(95)00438-6
1995FA09 Phys.Rev. C52, 93 (1995) P.Fallon, C.W.Beausang, S.Asztalos, D.Nisius, R.V.F.Janssens, M.Bergstrom, M.Carpenter, B.Cederwall, S.Clarke, B.Crowell, M.A.Deleplanque, R.M.Diamond, R.G.Henry, T.L.Khoo, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, P.J.Twin Proton and Neutron Excitations in Superdeformed 150Tb NUCLEAR REACTIONS 124Sn(31P, 5n), E=167 MeV; measured Eγ-Eγ-coin. 150Tb deduced levels, J, π, superdeformed bands.
doi: 10.1103/PhysRevC.52.93
1995FL01 Nucl.Phys. A584, 373 (1995) S.Flibotte, G.Hackman, I.Ragnarsson, Ch.Theisen, H.R.Andrews, G.C.Ball, C.W.Beausang, F.A.Beck, G.Belier, M.A.Bentley, T.Byrski, D.Curien, G.de France, D.Disdier, G.Duchene, B.Haas, D.S.Haslip, V.P.Janzen, P.M.Jones, B.Kharraja, J.A.Kuehner, J.C.Lisle, J.C.Merdinger, S.M.Mullins, E.S.Paul, D.Prevost, D.C.Radford, V.Rauch, J.F.Smith, J.Styczen, P.J.Twin, J.P.Vivien, J.C.Waddington, D.Ward, K.Zuber Multi-Particle Excitations in the Superdeformed 149Gd Nucleus NUCLEAR REACTIONS 124Sn(30Si, 5n), E=158 MeV; measured Eγ, Iγ, γn-coin. 149Gd deduced high-spin levels, J, π, superdeformed bands. Compton-suppressed hyperpure Ge detector array. Nilsson-Strutinsky cranking model calculations.
doi: 10.1016/0375-9474(94)00450-2
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
1995NI06 Phys.Lett. 346B, 15 (1995) D.Nisius, R.V.F.Janssens, P.Fallon, B.Crowell, I.Ahmad, C.W.Beausang, M.P.Carpenter, B.Cederwall, P.J.Daly, M.A.Deleplanque, R.M.Diamond, D.Gassmann, Z.W.Grabowski, R.G.Henry, T.L.Khoo, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, R.H.Mayer, F.S.Stephens, P.J.Twin ' Identical ' Superdeformed Band in 151Dy: Further evidence for the pseudospin coupling scheme NUCLEAR REACTIONS 122Sn(34S, 5n), E=175 MeV; measured Eγ, Iγ, γγγ-coin. 151Dy deduced high-spin levels, J, π, superdeformed band.
doi: 10.1016/0370-2693(95)00013-B
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
1995TW01 Nucl.Phys. A583, 199c (1995) New Insights into Superdeformed Nuclei with EUROGAM NUCLEAR STRUCTURE 151,152,153Dy, 150,151Tb, 149,150Gd; analyzed data; deduced ΔI=4 staggering in superdeformed bands.
doi: 10.1016/0375-9474(94)00659-B
1995TW02 Phys.Scr. T56, 23 (1995) Evidence for Shell Closure at Superdeformed Shape NUCLEAR STRUCTURE 151,152,153Dy, 150,151Tb, 149,150Gd; compiled, reviewed yrast superdeformed band dynamic moments of inertia, other data aspects; deduced particle-hole excitations role in superdeformed bands.
doi: 10.1088/0031-8949/1995/T56/003
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. 198,199,200,203,204Bi 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
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
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
1994PE17 Nucl.Phys. A579, 285 (1994) C.M.Petrache, G.Duchene, B.Kharraja, C.W.Beausang, F.A.Beck, T.Byrski, D.Curien, P.Dagnall, S.Flibotte, P.D.Forsyth, G.de France, B.Haas, A.Kiss, J.C.Merdinger, D.Prevost, C.Schuck, C.Theisen, P.J.Twin, J.P.Vivien Detailed Level Scheme of 151Tb and the Feeding of the Normal-Deformed States by the Superdeformed Bands NUCLEAR REACTIONS 130Te(27Al, 6n), E=154 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). 151Tb deduced high-spin levels, J, π, configurations, band structure, deformations, decay out of superdeformed bands. Enriched targets, Compton-suppressed hyperpure Ge detector array EUROGAM. Deformed independent particle model calculations.
doi: 10.1016/0375-9474(94)90807-9
1994TW01 Nucl.Phys. A574, 51c (1994) Extreme Deformations at High Spin NUCLEAR STRUCTURE 151,152,153Dy, 149,150Gd, 151,150Tb; compiled, reviewed moment of inertia vs average rotational frequency, other features. Other nuclei, aspects included, extreme deformations at high spins.
doi: 10.1016/0375-9474(94)90038-8
1994TW02 Nuovo Cim. 107A, 1145 (1994) Superdeformed Nuclei NUCLEAR STRUCTURE A=150-189; compiled, reviewed data on superdeformed levels, systematics.
doi: 10.1007/BF02730862
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
1993CU06 Phys.Rev.Lett. 71, 2559 (1993) D.Curien, G.de France, C.W.Beausang, F.A.Beck, T.Byrski, S.Clark, P.Dagnall, G.Duchene, S.Flibotte, S.Forbes, P.D.Forsyth, B.Haas, M.A.Joyce, B.Kharraja, B.M.Nyako, C.Schuck, J.Simpson, C.Theisen, P.J.Twin, J.P.Vivien, L.Zolnai Deexcitation from Superdeformed Bands in 151Tb and Neighboring A ≈ 150 Nuclei NUCLEAR REACTIONS 130Te(27Al, 6n), E=154 MeV; measured Eγ, Iγ, γγγ-coin. 151Tb deduced superdeformed band transition energies, relative Iγ, decay mechanism features.
doi: 10.1103/PhysRevLett.71.2559
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
1993FL03 Phys.Rev.Lett. 71, 688 (1993) S.Flibotte, G.Hackman, Ch.Theisen, H.R.Andrews, G.C.Ball, C.W.Beausang, F.A.Beck, G.Belier, M.A.Bentley, T.Byrski, D.Curien, G.de France, D.Disdier, G.Duchene, P.Fallon, B.Haas, V.P.Janzen, P.M.Jones, B.Kharraja, J.A.Kuehner, J.C.Lisle, J.C.Merdinger, S.M.Mullins, E.S.Paul, D.Prevost, D.C.Radford, V.Rauch, J.F.Smith, J.Styczen, P.J.Twin, J.P.Vivien, J.C.Waddington, D.Ward, K.Zuber Multiparticle Excitations and Identical Bands in Superdeformed 149Gd Nucleus NUCLEAR REACTIONS 124Sn(30Si, 5n), E=158 MeV; measured γγ-coin. 149Gd deduced levels, J, π, superdeformed bands.
doi: 10.1103/PhysRevLett.71.688
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
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
1993TW01 Nucl.Phys. A557, 3c (1993) EUROGAM and Superdeformation in A = 150 Nuclei NUCLEAR STRUCTURE 152Dy, 151Tb; compiled, reviewed EUROGAM data on superdeformed bands.
doi: 10.1016/0375-9474(93)90527-5
1992BE09 Nucl.Instrum.Methods Phys.Res. A313, 37 (1992) C.W.Beausang, S.A.Forbes, P.Fallon, P.J.Nolan, P.J.Twin, J.N.Mo, J.C.Lisle, M.A.Bentley, J.Simpson, F.A.Beck, D.Curien, G.de France, G.Duchene, D.Popescu Measurements on Prototype Ge and BGO Detectors for the Eurogam Array RADIOACTIVITY 60Co(β-); 207Bi(EC), (β+); measured unsuppressed γ-spectra. Prototype Ge, bismuth-germanate detectors. NUCLEAR REACTIONS 100Mo(34S, X), E=132 MeV; measured unsuppressed γ-spectra. Prototype Ge, bismuth-germanate detectors.
doi: 10.1016/0168-9002(92)90084-H
1992SM01 Phys.Rev.Lett. 68, 158 (1992) G.Smith, B.Haas, A.Alderson, I.Ali, C.W.Beausang, M.A.Bentley, P.Dagnall, P.Fallon, G.de France, P.D.Forsyth, U.Huttmeier, P.Romain, D.Santos, P.J.Twin, J.P.Vivien Entrance-Channel Effects in the Population of Superdeformed Bands NUCLEAR REACTIONS 74Ge(82Se, 4n), E=324-346 MeV; 108Pd(48Ca, 4n), E=205 MeV; 120Sn(36S, 4n), E=175 MeV; measured γγ-coin. 152Dy deduced superdeformed band population entrance channel effects.
doi: 10.1103/PhysRevLett.68.158
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 T1/2, quadrupole moment. Microscopic structure, Nilsson, Woods-Saxon models comparison, Monte Carlo simulations.
doi: 10.1088/0954-3899/17/4/009
1991CU01 Phys.Rev.Lett. 67, 1175 (1991) D.M.Cullen, M.A.Riley, A.Alderson, I.Ali, C.W.Beausang, T.Bengtsson, M.A.Bentley, P.Fallon, P.D.Forsyth, F.Hanna, S.M.Mullins, W.Nazarewicz, R.J.Poynter, P.H.Regan, J.W.Roberts, W.Satula, J.F.Sharpey-Schafer, J.Simpson, G.Sletten, P.J.Twin, R.Wadsworth, R.Wyss Cullen et al. Reply: NUCLEAR STRUCTURE 193Hg; analyzed data; deduced superdeformed states features.
doi: 10.1103/PhysRevLett.67.1175
1991FA07 Phys.Lett. 257B, 269 (1991) P.Fallon, A.Alderson, I.Ali, D.M.Cullen, P.D.Forsyth, M.A.Riley, J.W.Roberts, J.F.Sharpey-Schafer, P.J.Twin, M.A.Bentley, A.M.Bruce The Collectivity and the De-Excitation of the Yrast Superdeformed Band in 150Gd NUCLEAR REACTIONS 130Te(26Mg, 6n), E=145 MeV; measured γγ-coin spectra, DSA. 150Gd deduced levels, J, π, deformation, superdeformation, band structure, quadrupole moment.
doi: 10.1016/0370-2693(91)91891-X
1991TW01 Nucl.Phys. A522, 13c (1991) Superdeformed Nuclei at High Spin NUCLEAR STRUCTURE 152Dy, 151Tb, 150Gd, 152Eu; analyzed data; deduced superdeformed band evidence. Other data reviewed.
doi: 10.1016/0375-9474(91)90049-C
1990BY01 Phys.Rev.Lett. 64, 1650 (1990) T.Byrski, F.A.Beck, D.Curien, C.Schuck, P.Fallon, A.Alderson, I.Ali, M.A.Bentley, A.M.Bruce, P.D.Forsyth, D.Howe, J.W.Roberts, J.F.Sharpey-Schafer, G.Smith, P.J.Twin Observation of Identical Superdeformed Bands in N = 86 Nuclei NUCLEAR REACTIONS 130Te(26Mg, 6n), E=145 MeV; 130Te(27Al, 6n), E=150 MeV; measured γγ-coin, sum spectra. 150Gd, 151Tb deduced levels, J, π, superdeformed band structure.
doi: 10.1103/PhysRevLett.64.1650
1990CU05 Phys.Rev.Lett. 65, 1547 (1990) D.M.Cullen, M.A.Riley, A.Alderson, I.Ali, C.W.Beausang, T.Bengtsson, M.A.Bentley, P.Fallon, P.D.Forsyth, F.Hanna, S.M.Mullins, W.Nazarewicz, R.J.Poynter, P.H.Regan, J.W.Roberts, W.Satula, J.F.Sharpey-Schafer, J.Simpson, G.Sletten, P.J.Twin, R.Wadsworth, R.Wyss Landau-Zener Crossing in Superdeformed 193Hg: Evidence for octupole correlations in superdeformed nuclei NUCLEAR REACTIONS 150Nd(48Ca, 5n), E=205, 213 MeV; measured Eγ, Iγ, γγ-coin. 193Hg deduced levels, J, π, superdeformed band structure, shape features.
doi: 10.1103/PhysRevLett.65.1547
1990CU06 Nucl.Phys. A520, 105c (1990) D.M.Cullen, M.A.Riley, A.Alderson, I.Ali, T.Bengtsson, M.A.Bentley, A.M.Bruce, P.Fallon, P.D.Forsyth, F.Hanna, S.M.Mullins, W.Nazarewicz, R.Poynter, P.Regan, J.W.Roberts, W.Satula, J.F.Sharpey-Schafer, J.Simpson, G.Sletten, P.J.Twin, R.Wadsworth, R.Wyss Evidence for Octupole Softness of the Superdeformed Shape from Band Interactions in 193,194Hg NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=205 MeV; 150Nd(48Ca, 5n), E=213 MeV; measured γγ-coin. 193,194Hg deduced levels, J, π, superdeformed band structure.
doi: 10.1016/0375-9474(90)91137-G
1990NA08 Phys.Rev.Lett. 64, 1654 (1990) W.Nazarewicz, P.J.Twin, P.Fallon, J.D.Garrett Natural-Parity States in Superdeformed Bands and Pseudo SU(3) Symmetry at Extreme Conditions NUCLEAR STRUCTURE 151Tb, 152Dy, 150Gd; analyzed level schemes, superdeformed bands; deduced pseudo SU(3) symmetry features.
doi: 10.1103/PhysRevLett.64.1654
1990RI05 Nucl.Phys. A512, 178 (1990) M.A.Riley, D.M.Cullen, A.Alderson, I.Ali, P.Fallon, P.D.Forsyth, F.Hanna, S.M.Mullins, J.W.Roberts, J.F.Sharpey-Schafer, P.J.Twin, R.Poynter, R.Wadsworth, M.A.Bentley, A.M.Bruce, J.Simpson, G.Sletten, W.Nazarewicz, T.Bengtsson, R.Wyss Multiple Superdeformed Bands in 194Hg and Their Dynamical Moments of Inertia NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=205 MeV; measured Eγ, Iγ, γγ-coin. 194Hg deduced levels, J, π, rotational, superdeformed band characteristics. Enriched targets, Ge detectors, array of anti-Compton spectrometers, 4π bismuth germanate ball. Cranked Woods-Saxon and Nilsson model calculations.
doi: 10.1016/0375-9474(90)90010-J
1990TW02 Nucl.Phys. A520, 17c (1990) Superdeformation - An Experimental Overview COMPILATION A=152; compiled, reviewed data on superdeformation.
doi: 10.1016/0375-9474(90)91131-A
1989FA02 Phys.Lett. 218B, 137 (1989) P.Fallon, P.Alderson, M.A.Bentley, A.M.Bruce, P.D.Forsyth, D.Howe, J.W.Roberts, J.F.Sharpey-Schafer, P.J.Twin, F.A.Beck, T.Byrski, D.Curien, C.Schuck Superdeformed Bands in 150Gd and 151Tb: Evidence for the influence of high-N intruder states at large deformations NUCLEAR REACTIONS 130Te(26Mg, 6n), E=145 MeV; 130Te(27Al, 6n), E=150 MeV; measured γγ-coin, γγ(θ). 150Gd, 151Tb deduced levels, J, π, superdeformed band structure, shapes, moments of inertia.
doi: 10.1016/0370-2693(89)91408-1
1988BR34 Phys.Lett. 215B, 237 (1988) A.M.Bruce, J.J.Gaardhoje, B.Herskind, R.Chapman, J.C.Lisle, F.Khazaie, J.N.Mo, P.J.Twin Angular Momentum Dependence of Giant Dipole Vibrations in Hot Dysprosium Nuclei NUCLEAR REACTIONS 108Pd(48Ca, X), E=206 MeV; measured Eγ, Iγ, γ-anisotropy. 156Dy deduced GDR parameters.
doi: 10.1016/0370-2693(88)91426-8
1988NO10 Ann.Rev.Nucl.Part.Sci. 38, 533 (1988) Superdeformed Shapes at High Angular Momentum NUCLEAR STRUCTURE 152Dy, 132Ce; compiled, evaluated superdeformed states data. Other aspects, other nuclei included.
doi: 10.1146/annurev.ns.38.120188.002533
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 T1/2, band characteristics, superdeformed quadrupole moment, moment of inertia.
doi: 10.1103/PhysRevLett.59.2141
1987LO05 Phys.Rev.Lett. 58, 1585 (1987) D.J.G.Love, P.J.Nolan, P.J.Twin Love et al Respond NUCLEAR REACTIONS 92Zr(64Ni, xn), E not given; measured γγ-coin; calculated γ-spectra. 154Er deduced transitions.
doi: 10.1103/PhysRevLett.58.1585
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
1986NY02 Phys.Rev.Lett. 56, 2680 (1986) B.M.Nyako, J.Simpson, P.J.Twin, D.Howe, P.D.Forsyth, J.F.Sharpey-Schafer Coexistence of Prolate and Oblate Structures up to Spin 40(h-bar) in 152Dy NUCLEAR REACTIONS 108Pd(48Ca, 4n), E=205 MeV; measured γγ-coin. 152Dy deduced levels, J, π, γ-branching, band structure, backbending, shape coexistence.
doi: 10.1103/PhysRevLett.56.2680
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
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
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
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
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, T1/2, 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
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 T1/2, collectivity, superdeformed prolate shape.
doi: 10.1103/PhysRevLett.55.1380
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
1984NY01 Phys.Rev.Lett. 52, 507 (1984) B.M.Nyako, J.R.Cresswell, P.D.Forsyth, D.Howe, P.J.Nolan, M.A.Riley, J.F.Sharpey-Schafer, J.Simpson, N.J.Ward, P.J.Twin Observation of Superdeformation in 152Dy NUCLEAR REACTIONS 108Pd(48Ca, 4n), E=205 MeV; measured γγ-energy correlation. 152Dy deduced dynamical moment of inertia, rotational behavior, deformation, superdeformation characteristics. Bismuth germanate, escape suppressed Ge detectors.
doi: 10.1103/PhysRevLett.52.507
1984NY04 ATOMKI Kozlem. 26, 99 (1984) B.M.Nyako, J.F.Sharpey-Schafer, R.Aryaeinejad, J.R.Cresswell, P.D.Forsyth, D.Howe, P.J.Nolan, M.A.Riley, J.Simpson, P.J.Twin, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm Gamma-Gamma Energy Correlation Study of 158,160Er Nuclei NUCLEAR REACTIONS 114,116Cd(48Ca, 4n), E=205, 210 MeV; measured γγ-coin, energy correlation spectra. 158,160Er deduced shape characteristics, dynamical moment of inertia, deformation parameters, levels, J, π. Cranked shell model comparison.
1984RI04 Phys.Lett. 135B, 275 (1984) M.A.Riley, J.Simpson, R.Aryaeinejad, J.R.Cresswell, P.D.Forsyth, D.Howe, P.J.Nolan, B.M.Nyako, J.F.Sharpey-Schafer, P.J.Twin, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm The Systematics of h11/2 Proton Alignment in 157,158,159Er NUCLEAR REACTIONS 114Cd(48Ca, xn), E=200 MeV; measured Eγ, Iγ, γ(θ), γ-multiplicity. 157,158,159Er deduced levels, J, π, yrast sequence, rotational bands, quadrupole deformation, alignment effects.
doi: 10.1016/0370-2693(84)90390-3
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, T1/2, 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
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
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
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 T1/2, γ-branching, B(E2), B(M1)/B(E2) ratio for isomer band, (γ) deformation.
doi: 10.1088/0031-8949/1983/T5/028
1982NO02 Phys.Lett. 108B, 269 (1982) P.J.Nolan, D.M.Todd, P.J.Smith, D.J.G.Love, P.J.Twin, O.Andersen, J.D.Garrett, G.B.Hagemann, B.Herskind The Influence of h11/2 Protons in the First Backbends in 130,131Ce RADIOACTIVITY 127La, 130,131Ce [from 115In, 116,117,118Sn(16O, X), (18O, X), E=75-85 MeV]; measured γγ-coin. 130,131Ce deduced yrast levels, J, π, backbending, h11/2 proton alignment. 127La deduced levels, J, π. Enriched In, Sn targets.
doi: 10.1016/0370-2693(82)91190-X
1982SM01 J.Phys.(London) G8, 281 (1982) P.J.Smith, L.P.Ekstrom, F.Kearns, P.J.Twin, N.J.Ward Gamma-Ray Spectroscopy of 61Zn and a Planar Germanium Polarimeter System NUCLEAR REACTIONS 58Ni(α, nγ), E=10.75-16 MeV; measured γγ-, nγ-coin, γγ(θ), linear polarization, σ(Eγ). 61Zn deduced levels, J, π, δ, γ-branching ratios. Enriched target, Ge(Li) detector, planar polarimeter. Shell model.
doi: 10.1088/0305-4616/8/2/014
1981EK01 J.Phys.(London) G7, 85 (1981) L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, A.Nilsson, V.Paar, P.J.Twin, R.Wadsworth, E.Wallander, N.J.Ward Gamma-Ray Spectroscopy on 87Sr and the Energy-B(E2) Rule NUCLEAR REACTIONS 84Kr(α, nγ), E=11-17 MeV; measured γ(θ), γγ-coin, linear polarizations, DSA, σ(Eγ). 87Sr deduced levels, J, π, δ, T1/2, B(λ). Enriched target, Ge(Li) detectors. Generalized vibrator model.
doi: 10.1088/0305-4616/7/1/013
1981WA09 J.Phys.(London) G7, 815 (1981) N.J.Ward, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, O.M.Mustaffa, D.N.Simister, P.J.Twin, R.Wadsworth Gamma-ray Studies of 62Zn NUCLEAR REACTIONS 58Ni(6Li, np), E=15-24 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), linear polarization, DSA, recoil. 62Zn deduced levels, J, π, δ, T1/2, γ-branching. Enriched target, Ge(Li) detectors. Shell model, interacting boson approximation model.
doi: 10.1088/0305-4616/7/6/014
1981WA10 Nucl.Phys. A361, 387 (1981) E.Wallander, A.Nilsson, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, H.G.Price, P.J.Twin, R.Wadsworth, N.J.Ward States in 89Sr Excited by the 86Kr(α, n)89Sr Reaction NUCLEAR REACTIONS 86Kr(α, nγ), E=12-16 MeV; measured Eγ, Iγ(E), Iγ(θγ), γγ-coin, linear polarization, DSA. 89Sr deduced levels, J, π, δ, T1/2, B(λ). Enriched solid 86Kr targets, Ge(Li) detectors.
doi: 10.1016/0375-9474(81)90641-2
1980EK03 J.Phys.(London) G6, 1415 (1980) L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, A.Nilsson, P.J.Twin, R.Wadsworth, E.Wallander, N.J.Ward Lifetime and Linear Polarization Measurements with the 80Kr(α, nγ)83Sr and 82Kr(α, nγ)85Sr Reactions NUCLEAR REACTIONS 80Kr(α, nγ), 82Kr(α, 2nγ), 82Kr(α, nγ), E=14, 18 MeV; measured γ(θ), linear polarizations, DSA. 83,84,85Sr levels deduced J, π, δ, T1/2, transitions rates. Enriched solid 80,82Kr targets, Ge(Li)detectors.
doi: 10.1088/0305-4616/6/11/013
1980JO11 Nucl.Instrum.Methods 178, 581 (1980) G.D.Jones, L.P.Ekstrom, F.Kearns, T.P.Morrison, P.J.Twin, R.Wadsworth, N.J.Ward, B.Collinge, C.L.Wilkinson An On-Line Computer Controlled Time Digitizer for Half-Life Measurements NUCLEAR REACTIONS 74Ge(d, n), E=7 MeV; measured γγ-coin. 75As level deduced T1/2. On-line computerized digitizer. RADIOACTIVITY 38K(IT) [from 24Mg(16O, np), E=38 MeV]; 24Na(IT) [from 23Na(d, p), E=4 MeV]; 77Se(IT) [from 74Ge(α, n), E=16 MeV]; 71Ge(EC) [from 70Ge(d, p), E=6 MeV]; 73As(EC), 77As(β-) [from 72,76Ge(d, n), E=6, 7 MeV]; measured T1/2. On-line computerized digitizer.
doi: 10.1016/0029-554X(80)90841-1
1980KE06 J.Phys.(London) G6, 1131 (1980) F.Kearns, L.P.Ekstrom, G.D.Jones, T.P.Morrison, O.M.Mustaffa, H.G.Price, D.N.Simister, P.J.Twin, R.Wadsworth, N.J.Ward Heavy-Ion Gamma-Ray Spectroscopy of 60Ni NUCLEAR REACTIONS 56Fe(7Li, 2npγ), E=14-24 MeV; measured nγ-, γγ-coin, γ(θ), linear polarization, DSA, recoil. 60Ni deduced levels J, π, δ, T1/2, transition rates. Enriched target, Ge(Li), neutron scintillation detectors.
doi: 10.1088/0305-4616/6/9/010
1980SI02 J.Phys.(London) G6, 81 (1980) D.N.Simister, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, O.M.Mustaffa, H.G.Price, P.J.Twin, R.Wadsworth, N.J.Ward Gamma-Ray Studies in 64Zn: Levels Above 3.1 MeV NUCLEAR REACTIONS 61Ni(α, nγ), E=8.6, 9.35 MeV; 56Fe(11B, 2npγ), E=30 MeV; measured γγ-, nγ-coin, Eγ, Iγ(θ), DSA, linear polarization. 64Zn deduced levels, J, π, δ, T1/2, γ-branching. Shell model, cluster vibration, interacting boson models. Ge(Li) detectors, enriched targets.
doi: 10.1088/0305-4616/6/1/015
1980WA19 J.Phys.(London) G6, 1403 (1980) R.Wadsworth, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, P.J.Twin, N.J.Ward Gamma-Ray Studies on the Neutron-Deficient Isotope 70Se NUCLEAR REACTIONS 58Ni(14N, pnγ), E=36 MeV; 60Ni(12C, 2nγ), E=34 MeV; measured nγ-, γγ-coin, γ(θ), linear polarizations. 70Se levels deduced J, π, δ, γ-branchings. Enriched targets, Ge(Li)detectors.
doi: 10.1088/0305-4616/6/11/012
1979EK01 Nucl.Instrum.Methods 158, 243 (1979) L.P.Ekstrom, A.M.Al-Naser, P.R.G.Lornie, P.J.Twin Spin-Alignment Attenuation Factors in Mass 61-67 Nuclei Populated by (α, n) and (α, p) Reactions COMPILATION A=61-67; compiled, evaluated data on Iγ(θ) for E2 transitions observed in (α, n), (α, p); deduced spin-alignment attenuation factors α2, α4.
1979EK03 J.Phys.(London) G5, 803 (1979) L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, O.M.Mustaffa, D.N.Simister, H.G.Price, P.J.Twin, R.Wadsworth, N.J.Ward Gamma-Ray Spectroscopy on 48Cr NUCLEAR REACTIONS 36Ar(14N, npγ), E=28-36 MeV; 40Ca(10B, npγ), E=24 MeV; measured γγ-coin, γ(θ), linear polarizations, DSA, RDM. 48Cr deduced levels, J, π, δ, T1/2, transition rates. Enriched 36Ar target. Shell model intepretation.
doi: 10.1088/0305-4616/5/6/008
1979MO22 J.Phys.(London) G5, 1751 (1979) T.P.Morrison, G.D.Jones, L.P.Ekstrom, F.Kearns, A.Kogan, P.R.G.Lornie, O.Mustaffa, H.G.Price, D.N.Simister, P.J.Twin, R.Wadsworth Coulomb-Nuclear Interference in the (7Li, 7Li) Reactions NUCLEAR REACTIONS 46,48Ti(7Li, 7Li'), E=17 MeV; 58Ni(7Li, 7Li'), E=19 MeV; measured σ(θ); deduced optical potentials. DWBA analyses.
doi: 10.1088/0305-4616/5/12/014
1979MU08 J.Phys.(London) G5, 1283 (1979); see 79Mu09 O.M.Mustaffa, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, H.G.Price, D.N.Simister, P.J.Twin, R.Wadsworth, N.J.Ward Gamma-Ray Spectroscopy in 63Zn and 63Cu
doi: 10.1088/0305-4616/5/9/012
1979MU09 J.Phys.(London) G5, 1283 (1979) O.M.Mustaffa, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, H.G.Price, D.N.Simister, P.J.Twin, R.Wadsworth, N.J.Ward Gamma-Ray Spectroscopy in 63Zn and 63Cu NUCLEAR REACTIONS 60Ni(α, nγ), (α, pγ), E=9.5-19.0 MeV; 54Fe(11B, npγ), (11B, 2pγ), E=30 MeV; 58Ni(7Li, npγ), E=20 MeV; measured γγ-coin, Iγ(θ), linear polarizations, RDM, DSA. 63Zn, 63Cu levels deduced J, π, δ, T1/2, γ-branching ratios. Enriched targets, Ge(Li) detectors. Shell-model calculations.
doi: 10.1088/0305-4616/5/9/012
1979WA23 J.Phys.(London) G5, 1761 (1979) R.Wadsworth, L.P.Ekstrom, G.D.Jones, F.Kearns, T.P.Morrison, O.M.Mustaffa, H.G.Price, P.J.Twin, N.J.Ward A Study of the Neutron-Deficient Isotope 66Ge NUCLEAR REACTIONS 58Ni(10B, np), E=28.5, 29, 30 MeV; measured nγ-, γγ-coin, Iγ(θ), linear polarizations, RDM. 66Ge levels deduced J, π, δ, T1/2, γ-branchings. Enriched targets.
doi: 10.1088/0305-4616/5/12/015
1978KO11 J.Phys.(London) G4, 755 (1978) A.Kogan, P.R.G.Lornie, G.D.Jones, M.R.Nixon, H.G.Price, R.Wadsworth, P.J.Twin Gamma-Ray Studies of the Odd-Parity States in Zn Isotopes. I. 65Zn NUCLEAR REACTIONS 62Ni(α, nγ), E=8.0-14.0 MeV; measured γγ-coin, γ(θ), linear polarization, DSA. 65Zn deduced levels, J, π, δ, T1/2, γ-branching. Enriched target, Ge(Li) detectors. Phonon-quasiparticle-coupling, shell-model calculations.
doi: 10.1088/0305-4616/4/5/010
1978LO06 J.Phys.(London) G4, 923 (1978) P.R.G.Lornie, A.Kogan, G.D.Jones, M.R.Nixon, H.G.Price, R.Wadsworth, P.J.Twin Gamma-Ray Studies of the Odd-Parity States in Zn Isotopes. II. Levels Below 2.0 MeV in Excitation Energy in 67Zn NUCLEAR REACTIONS 64Ni(α, nγ), E=6.5-17.0 MeV; measured γγ-coin, γ(θ), linear polarization, DSA. 67Zn deduced levels, J, π, δ, T1/2, γ-branching. Enriched targets, Ge(Li) detectors.
doi: 10.1088/0305-4616/4/6/021
1978MU02 J.Phys.(London) G4, 99 (1978) O.M.Mustaffa, A.Kogan, G.D.Jones, P.R.G.Lornie, T.P.Morrison, H.G.Price, D.N.Simister, P.J.Twin, R.Wadsworth Nuclear Spectroscopy in 63Zn: States below 1.5 MeV NUCLEAR REACTIONS 60Ni(α, nγ), E=8-16 MeV; measured Eγ, Iγ(E, θ), γγ-coin, linear polarization, DSA. 63Zn levels deduced T1/2, J, π, λ, δ, γ-branching. Enriched target, Ge(Li) detectors.
doi: 10.1088/0305-4616/4/1/011
1978PR02 J.Phys.(London) G4, 707 (1978) H.G.Price, G.D.Jones, P.R.G.Lornie, P.J.Twin, R.Wadsworth High Spin States in 42Ca NUCLEAR REACTIONS 39K(α, pγ), E=9.5, 16.0 MeV; measured σ(Eγ), polarization, Doppler shift. 42Ca levels deduced J, π, T1/2, δ.
doi: 10.1088/0305-4616/4/5/007
1978SI02 J.Phys.(London) G4, 111 (1978) D.N.Simister, G.D.Jones, A.Kogan, P.R.G.Lornie, T.P.Morrison, O.M.Mustaffa, H.G.Price, P.J.Twin, R.Wadsworth Gamma Ray Spectroscopy in 64Zn-Levels below 3.1 MeV in Excitation NUCLEAR REACTIONS 61Ni(α, nγ), E=7.8 MeV; measured Eγ, Iγ(θ), linear polarization, DSA. 64Zn deduced levels, J, π, T1/2, λ, δ. Enriched targets, Ge(Li) detectors.
doi: 10.1088/0305-4616/4/1/012
1978SI10 J.Phys.(London) G4, 1127 (1978) D.N.Simister, G.D.Jones, F.Kearns, A.Kogan, P.R.G.Lornie, T.P.Morrison, O.M.Mustaffa, H.G.Price, P.J.Twin, R.Wadsworth Quasi-Band Structure in 64Zn NUCLEAR REACTIONS 61Ni(α, nγ), E=9.35 MeV; 56Fe(11B, 2npγ), E=30 MeV; measured γ(θ), DSA, linear polarization, σ(Eγ). 64Zn deduced levels, J, π, T1/2, γ-branching, B(λ). Enriched targets, Ge(Li) detectors. Shell model.
doi: 10.1088/0305-4616/4/7/017
1977LO03 J.Phys.(London) G3, 493 (1977) P.R.G.Lornie, A.Kogan, G.D.Jones, M.R.Nixon, H.G.Price, R.Wadsworth, P.J.Twin Further Evidence for Particle-Vibration Coupling among the Positive Parity States of 65,67Zn NUCLEAR REACTIONS 62,64Ni(α, nγ), E=6.5-17.0 MeV; measured σ(E, Eγ, θ), γγ-coin, linear polarization, DSA. 65,67Zn deduced levels, J, π, T1/2, δ, γ-branching, λ. Enriched targets, Ge(Li) detectors.
doi: 10.1088/0305-4616/3/4/011
1977WA03 J.Phys.(London) G3, 35 (1977) R.Wadsworth, A.Kogan, P.R.G.Lornie, M.R.Nixon, H.G.Price, P.J.Twin Gamma Ray Spectroscopy in 61Ni - Levels below 2.2 MeV in Excitation NUCLEAR REACTIONS 58Fe(α, nγ), E=6.5-13 MeV; measured σ(E, Eγ, θ), γγ-coin, linear polarization, DSA. 61Ni deduced levels, J, π, δ, γ-branching, T1/2. Enriched targets, Ge(Li) detectors. Shell model calculations.
doi: 10.1088/0305-4616/3/1/007
1977WA07 J.Phys.(London) G3, 833 (1977) R.Wadsworth, G.D.Jones, A.Kogan, P.R.G.Lornie, T.Morrison, O.Mustaffa, H.G.Price, D.Simister, P.J.Twin Gamma Ray Spectroscopy in 61Ni-Levels Above 2.2 MeV in Excitation NUCLEAR REACTIONS 53Cr(11B, 2npγ), E=30 MeV; 58Fe(α, nγ), E=6.5-13.0 MeV; measured γγ-coin, linear polarization, γ(θ), DSA. 61Ni deduced levels, J, π, T1/2, δ, γ-branching. Enriched targets, Ge(Li) detectors, shell-model calculations.
doi: 10.1088/0305-4616/3/6/014
1977WA15 J.Phys.(London) G3, 1377 (1977) R.Wadsworth, G.D.Jones, A.Kogan, P.R.G.Lornie, T.Morrison, O.Mustaffa, H.G.Price, D.N.Simister, P.J.Twin Lifetimes in 61Ni Measured by the Recoil Distance Technique NUCLEAR REACTIONS 58Fe(α, nγ), E=9.0 MeV; measured recoil distance. 61Ni levels deduced T1/2. Enriched targets, Ge(Li) detectors. Shell model comparison.
doi: 10.1088/0305-4616/3/10/012
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