NSR Query Results
Output year order : Descending NSR database version of May 10, 2024. Search: Author = R.Poynter Found 21 matches. 1997IB01 Nucl.Phys. A619, 213 (1997) R.W.Ibbotson, C.A.White, T.Czosnyka, P.A.Butler, N.Clarkson, D.Cline, R.A.Cunningham, M.Devlin, K.G.Helmer, T.H.Hoare, J.R.Hughes, G.D.Jones, A.E.Kavka, B.Kotlinski, R.J.Poynter, P.H.Regan, E.G.Vogt, R.Wadsworth, D.L.Watson, C.Y.Wu Quadrupole and Octupole Collectivity in 148Nd NUCLEAR REACTIONS 148Nd(58Ni, 58Ni), E=200 MeV; measured (projectile)(recoil)-coin, (projectile)γ-coin following Coulomb excitation. 148Nd(92Mo, 92Mo'), E=330 MeV; measured (projectile)γ-coin following Coulomb excitation. 208Pb(148Nd, 148Nd'), E=700 MeV; measured Eγ, Iγ, γ multiplicity following Coulomb excitation. 148Nd levels deduced B(λ), shape, collectivity related features.
doi: 10.1016/S0375-9474(97)00145-0
1995FA19 Phys.Scr. T56, 245 (1995) B.Fant, B.Cederwall, J.Cederkall, L.O.Norlin, R.Wyss, P.Fallon, C.W.Beausang, P.A.Butler, J.W.Roberts, A.M.Bruce, D.M.Cullen, S.M.Mullins, R.J.Poynter, R.Wadsworth, M.A.Riley, W.Korten, M.J.Piiparinen Shell Structure and Shape Coexistence in 195Pb NUCLEAR REACTIONS 164Dy(36S, 5n), E=170 MeV; 164Dy(36S, 4n), E=160 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 195Pb deduced high-spin levels, J, π, dipole bands, γ-multipolarity, deformation, shape related features.
doi: 10.1088/0031-8949/1995/T56/039
1995VA22 Phys.Rev. C52, 1270 (1995) P.Vaska, C.W.Beausang, D.B.Fossan, J.R.Hughes, R.Ma, E.S.Paul, R.J.Poynter, P.H.Regan, R.Wadsworth, S.A.Forbes, S.M.Mullins, P.J.Nolan High-Spin Structure of 139Eu NUCLEAR REACTIONS 92Mo(50Cr, 3p), E=220 MeV; measured Eγ, Iγ, γγ(θ). 139Eu deduced high-spin levels, J, π, band structures, configuration. Total routhian surface, cranked shell model calculations.
doi: 10.1103/PhysRevC.52.1270
1993IB01 Phys.Rev.Lett. 71, 1990 (1993) R.Ibbotson, C.A.White, T.Czosnyka, P.A.Butler, N.Clarkson, D.Cline, R.A.Cunningham, M.Devlin, K.G.Helmer, T.H.Hoare, J.R.Hughes, G.D.Jones, A.E.Kavka, B.Kotlinski, R.J.Poynter, P.Regan, E.G.Vogt, R.Wadsworth, D.L.Watson, C.Y.Wu Octupole Collectivity in the Ground Band of 148Nd NUCLEAR REACTIONS 148Nd(58Ni, 58Ni'), E=200 MeV; 148Nd(92Mo, 92Mo'), E=330 MeV; measured (particle)γ-, γγ(particle)-coin following Coulomb excitation. 208Pb(148Nd, 148Nd'), E=700 MeV; measured (particle)γ-coin, γ yields, γ-multiplicity following Coulomb excitation. 148Nd deduced levels, γ-multipolarity, multipole matrix elements, band collectivity features.
doi: 10.1103/PhysRevLett.71.1990
1993PA07 J.Phys.(London) G19, 861 (1993) E.S.Paul, S.Davis, P.Vaska, P.J.Bishop, S.A.Forbes, D.B.Fossan, Y.-J.He, J.R.Hughes, I.Jenkins, Y.Liang, R.Ma, M.S.Metcalfe, S.M.Mullins, P.J.Nolan, R.J.Poynter, P.H.Regan, R.Wadsworth, N.Xu Prolate and Oblate Rotational Bands in 136Sm NUCLEAR REACTIONS 92Mo(50Cr, 2pα), E=220 MeV; measured γγ-coin, γγ(θ), Iγ ratios. 136Sm deduced levels, J, π, rotational bands. Other data input. NUCLEAR STRUCTURE 134,136,138Sm; calculated total Routhian surface, alignments, dynamic moments of inertia. Cranked Woods-Saxon model.
doi: 10.1088/0954-3899/19/6/007
1993RU05 Phys.Rev. C48, 2078 (1993) S.L.Rugari, R.H.France III, B.J.Lund, Z.Zhao, M.Gai, P.A.Butler, V.A.Holliday, A.N.James, G.D.Jones, R.J.Poynter, R.J.Tanner, K.L.Ying, J.Simpson Broken Reflection Symmetry in 114Xe NUCLEAR REACTIONS 60Ni(58Ni, 2n2p), E=243 MeV; measured γγ-, γn-, γnn-, γ(recoil)-coin, γ(θ). 114Xe deduced levels, J, π, B(λ), ratios, enhanced E1 transitions, broken reflection symmetry evidence.
doi: 10.1103/PhysRevC.48.2078
1992PA04 J.Phys.(London) G18, 121 (1992) E.S.Paul, S.A.Forbes, D.B.Fossan, J.Gizon, J.R.Hughes, S.M.Mullins, M.S.Metcalfe, P.J.Nolan, R.J.Poynter, P.H.Regan, G.Smith, R.Wadsworth Quadrupole Moment of the i13/2 Intruder Band in 139Gd NUCLEAR REACTIONS 92Mo(50Cr, n2p), E=220 MeV; measured γ-sum spectra, DSA, centroid shifts. 139Gd deduced levels, intruder band configuration, deformation, intrinsic quadrupole moment.
doi: 10.1088/0954-3899/18/1/010
1992RE05 J.Phys.(London) G18, 847 (1992) P.H.Regan, R.Wadsworth, S.M.Mullins, J.Nyberg, A.Atac, S.A.Forbes, D.B.Fossan, Y.-J.He, J.R.Hughes, I.Jenkins, R.Ma, M.S.Metcalfe, P.J.Nolan, E.S.Paul, R.J.Poynter, D.Santonicio, A.Virtanen, N.Xu Measurement of the Intrinsic Quadrupole Moments in the νi13/2 Bands of 135,137Sm NUCLEAR REACTIONS 92Mo(46Ti, n2p), E=210 MeV; 104Pd(37Cl, 3np), E=168 MeV; measured γγ-coin, DSA. 137Sm deduced levels, J, π, T1/2, deformation parameter β2, quadrupole moments, band structure. 135Sm deduced levels, J, π, T1/2, deformation parameter β2, quadrupole moments, band structure, superdeformation features.
doi: 10.1088/0954-3899/18/5/013
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
1991FA05 J.Phys.(London) G17, 319 (1991) B.Fant, R.J.Tanner, P.A.Butler, A.N.James, G.D.Jones, R.J.Poynter, C.A.White, K.L.Ying, D.J.G.Love, J.Simpson, K.A.Connell Search for Shape Coexistence in 194Pb NUCLEAR REACTIONS 162Dy(36S, 4n), E=155 MeV; 150Sm(48Ca, 4n), E=200 MeV; measured Eγ, Iγ, I(ce), γ(θ), γγ(θ), γγ-coin, γ-multiplicity. 194Pb deduced levels, J, π. Enriched targets, Ge, Si(Li) detectors, array of anti-Compton spectrometers, BGO ball.
doi: 10.1088/0954-3899/17/3/013
1991MU08 Phys.Rev.Lett. 66, 1677 (1991) S.M.Mullins, R.A.Wyss, P.Fallon, T.Byrski, D.Curien, S.A.Forbes, Y.-J.He, M.S.Metcalfe, P.J.Nolan, E.S.Paul, R.J.Poynter, P.H.Regan, R.Wadsworth Superdeformation and Double Blocking in 142Eu NUCLEAR REACTIONS 110Pd(37Cl, 5n), E=160 MeV; measured γγ-coin sum spectra. 142Eu deduced levels, superdeformed band.
doi: 10.1103/PhysRevLett.66.1677
1991PA04 J.Phys.(London) G17, 605 (1991) E.S.Paul, R.Ma, C.W.Beausang, S.A.Forbes, D.B.Fossan, J.Gizon, J.R.Hughes, Y.Liang, S.M.Mullins, P.J.Nolan, W.F.Piel, Jr., R.J.Poynter, P.H.Regan, R.Wadsworth, N.Xu Electromagnetic Properties of N = 75 Isotones: Evidence for triaxiality at low spin NUCLEAR REACTIONS 92Mo(50Cr, n2p), E=220 MeV; measured γγ-coin, γγ(θ). 120Sn(16O, 3n), E=69 MeV; measured γ(θ). 133Ce, 139Gd deduced levels, J, π, δ, B(λ) ratios, shape features. Other nuclei data included.
doi: 10.1088/0954-3899/17/5/009
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
1990HU04 Nucl.Phys. A512, 275 (1990) J.R.Hughes, R.Tolle, J.de Boer, P.A.Butler, C.Gunther, V.Grafen, N.Gollwitzer, V.E.Holliday, G.D.Jones, C.Lauterbach, M.Marten-Tolle, S.M.Mullins, R.J.Poynter, R.S.Simon, N.Singh, R.J.Tanner, R.Wadsworth, D.L.Watson, C.A.White Octupole Correlations in 225Th NUCLEAR REACTIONS 226Ra(α, 5n), E=50 MeV; measured Eγ, Iγ, Iγ(θ), I(ce), γγ-, e-n-, e-e--, e-γ-coin, γ-branching ratios. 225Th deduced levels, J, π, rotational bands, dipole moment. Radioactive target.
doi: 10.1016/0375-9474(90)93272-8
1990MA53 J.Phys.(London) G16, 1233 (1990) R.Ma, D.B.Fossan, E.S.Paul, N.Xu, R.J.Poynter, P.H.Regan, R.Wadsworth, Y.-J.He, I.Jenkins, M.S.Metcalfe, S.M.Mullins, P.J.Nolan An i13/2 Intruder Band in 139Gd NUCLEAR REACTIONS 92Mo(50Cr, n2p), E=220 MeV; measured γγ(θ), oriented nuclei. 139Gd deduced levels, J, π, band structure.
doi: 10.1088/0954-3899/16/8/019
1990RE12 Phys.Rev. C42, R1805 (1990) P.H.Regan, R.Wyss, R.Wadsworth, D.B.Fossan, Y.-J.He, J.R.Hughes, I.Jenkins, R.Ma, M.S.Metcalfe, S.M.Mullins, P.J.Nolan, E.S.Paul, R.J.Poynter, N.Xu Lifetime Measurements in 135Sm: Large deformation in the N = 6 intruder band and evidence for quenched proton pairing NUCLEAR REACTIONS 92Mo(46Ti, n2p), E=210 MeV; measured γ-spectra, DSA. 135Sm levels deduced T1/2, deformed band quadrupole moment.
doi: 10.1103/PhysRevC.42.R1805
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
1989PO03 J.Phys.(London) G15, 449 (1989) R.J.Poynter, P.A.Butler, G.D.Jones, R.J.Tanner, C.A.White, J.R.Hughes, S.M.Mullins, R.Wadsworth, D.L.Watson, J.Simpson Studies of Octupole Structures in the Isotopes 220,222Rn Populated via α Decay RADIOACTIVITY 226Ra, 228Th(α), 224Ra(α) [from 228Th(α-decay)]; 218,216Po [from 222,220Rn α-decay]; measured αγ-coin. 218,216Po, 220,222Rn deduced levels, J, π.
doi: 10.1088/0954-3899/15/4/008
1989PO19 Phys.Lett. 232B, 447 (1989) R.J.Poynter, P.A.Butler, N.Clarkson, D.Cline, K.A.Connell, R.A.Cunningham, L.Goettig, T.H.Hoare, J.R.Hughes, N.S.Jarvis, G.D.Jones, S.Juutinen, S.M.Mullins, C.N.Pass, J.Simpson, R.Wadsworth, D.L.Watson, C.A.White Observation of Unexpectedly Small E1 Moments in 224Ra NUCLEAR REACTIONS 226Ra(58Ni, 60Ni), E=315 MeV; measured γγ(particle)-coin, Eγ, Iγ. 224Ra deduced levels, J, π, B(λ) ratios, intrinsic electric dipole moment. Other data input. RADIOACTIVITY 228Th(α); measured γγ-coin, electron spectra. 224Ra deduced levels, J, π, B(λ) ratios, intrinsic electric dipole moment. Other data input.
doi: 10.1016/0370-2693(89)90439-5
1988MU22 J.Phys.(London) G14, 1373 (1988) S.M.Mullins, M.D.Cohler, A.Ghazarian, J.R.Hughes, R.Wadsworth, D.L.Watson, P.J.Bishop, A.J.Kirwan, P.J.Nolan, R.J.Poynter, D.J.G.Love, J.Heese Collective Bands and Lifetime Measurements in 137Pm NUCLEAR REACTIONS 122Te(19F, 4n), E=83 MeV; 108Pd(32S, 2np), E=152 MeV; measured Eγ, Iγ, γγ-coin, recoil distance. 137Pm deduced levels J, π, T1/2, deformation parameter, B(E2). Ge detectors, BGO escape suppression shields, BGO multiplicity filter, enriched targets. Cranked shell model. NUCLEAR STRUCTURE 137Pm; calculated levels, deformation parameter. Cranked shell model.
doi: 10.1088/0305-4616/14/11/009
Back to query form Note: The following list of authors and aliases matches the search parameter R.Poynter: , R.J.POYNTER |