NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.Ibbotson Found 54 matches. 2007ZI03 Nucl.Instrum.Methods Phys.Res. A579, 476 (2007) J.A.Zimmerman, F.D.Becchetti, H.C.Griffin, D.A.Roberts, M.Y.Lee, T.W.O'Donnell, J.A.Brown, R.M.Ronningen, T.Glasmacher, R.W.Ibbotson, H.Scheit, B.Pritychenko, D.W.Anthony, P.A.Lofy, M.Steiner Nuclear reactions with radioactive, isomer beams: Coulomb excitation of 18Fg.s and its Jπ = 5+ isomer 18Fm using a large position-sensitive NaI array NUCLEAR REACTIONS 12C(17O, 18F)11B, E=45 MeV/nucleon; measured Eγ, Iγ. 18F deduced B(E1), B(E2).
doi: 10.1016/j.nima.2007.04.124
2004MO24 Nucl.Phys. A739, 15 (2004) R.Moustabchir, L.Beaulieu, L.Gingras, R.Roy, M.Samri, G.Boudreault, J.Gauthier, G.P.Gelinas, F.Grenier, R.Ibbotson, Y.Larochelle, E.Martin, J.Moisan, D.Ouerdane, D.Rowland, A.Ruangma, C.St-Pierre, D.Theriault, A.Vallee, E.Winchester, S.J.Yennello Target proximity effect and dynamical projectile breakup at intermediate energies NUCLEAR REACTIONS 12C, 24Mg, 197Au(58Ni, X), E=34.5 MeV/nucleon; 70Zn(58Ni, X), E=40 MeV/nucleon; measured fragments angular distributions, charge and velocity distributions, correlation functions; deduced quasi-projectile breakup mechanism, related features.
doi: 10.1016/j.nuclphysa.2004.03.149
2002CO09 Phys.Rev.Lett. 88, 172502 (2002) P.D.Cottle, Z.Hu, B.V.Pritychenko, J.A.Church, M.Fauerbach, T.Glasmacher, R.W.Ibbotson, K.W.Kemper, L.A.Riley, H.Scheit, M.Steiner 0gs+ → 21+ Excitations in the Mirror Nuclei 32Ar and 32Si NUCLEAR REACTIONS 197Au(32Ar, 32Ar'), (30S, 30S'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 1H(32S, p), E=42 MeV/nucleon; measured elastic and inelastic σ(θ). 30,32S, 32Ar deduced excitation B(E2). 32S deduced ratio of neutron and proton matrix elements.
doi: 10.1103/PhysRevLett.88.172502
2002GL01 Eur.Phys.J. A 13, 59 (2002) T.Glasmacher, B.V.Pritychenko, P.D.Cottle, R.W.Ibbotson, K.W.Kemper, H.Scheit In-Beam Gamma-Ray Spectroscopy with Exotic Beams at the NSCL NUCLEAR REACTIONS 197Au(26Ne, 26Ne'), (28Ne, 28Ne'), (30Mg, 30Mg'), (32Mg, 32Mg'), (34Mg, 34Mg'), (36Ar, 36Ar'), (33Si, 33Si'), (34P, 34P'), E not given; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 26,28Ne, 30,32,34Mg, 36Ar, 33Si, 34P deduced transitions.
doi: 10.1007/s10050-002-8719-z
2002PR09 Phys.Rev. C65, 061304 (2002) B.V.Pritychenko, T.Glasmacher, P.D.Cottle, R.W.Ibbotson, K.W.Kemper, L.A.Riley, A.Sakharuk, H.Scheit, M.Steiner, V.Zelevinsky Structure of the ' Island of Inversion ' Nucleus 33Mg NUCLEAR REACTIONS 197Au(33Mg, 33Mg'), E=61.8 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 33Mg deduced level excitation B(E2), J, π, configuration, deformation.
doi: 10.1103/PhysRevC.65.061304
2002PR12 Phys.Rev. C66, 024325 (2002) B.V.Pritychenko, T.Glasmacher, P.D.Cottle, R.W.Ibbotson, K.W.Kemper, K.L.Miller, L.A.Riley, H.Scheit Transition to the "island of inversion": Fast-beam γ-ray spectroscopy of 28, 30Na NUCLEAR REACTIONS 197Au(28Na, 28Na'), E=43.1 MeV/nucleon; 197Au(30Na, 30Na'), E=55.6 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 28,30Na deduced transitions, excitation cross sections, intrinsic quadrupole moments. 31Na analyzed data; deduced ground-state configuration features.
doi: 10.1103/PhysRevC.66.024325
2001CA37 Phys.Rev. C64, 025802 (2001) J.A.Caggiano, D.Bazin, W.Benenson, B.Davids, R.Ibbotson, H.Scheit, B.M.Sherrill, M.Steiner, J.Yurkon, A.F.Zeller, B.Blank, M.Chartier, J.Greene, J.A.Nolen, Jr., A.H.Wuosmaa, M.Bhattacharya, A.Garcia, M.Wiescher Spectroscopy of 23Al and 27P using the (7Li, 8He) Reaction and the Implications for 22Na and 26Al Nucleosynthesis in Explosive Hydrogen Burning NUCLEAR REACTIONS 9Be, 10B, 24Mg, 28Si(7Li, 8He), E=50.1 MeV/nucleon; measured particle spectra. 23Al, 27P deduced level energies. 22Mg, 26Si(p, γ), E=low; deduced stellar reaction rates. ATOMIC MASSES 23Al, 27P; measured ground-state mass excess.
doi: 10.1103/PhysRevC.64.025802
2001CO20 Phys.Rev. C64, 057304 (2001) P.D.Cottle, B.V.Pritychenko, J.A.Church, M.Fauerbach, T.Glasmacher, R.W.Ibbotson, K.W.Kemper, H.Scheit, M.Steiner B(E2;0g.s+ → 21+) in 26Si and Mirror Symmetry in the A = 26 System NUCLEAR REACTIONS 197Au(26Si, 26Si'), (24Mg, 24Mg'), E=54.5 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 26Si, 24Mg deduced excitation B(E2). 26Mg deduced transition matrix element.
doi: 10.1103/PhysRevC.64.057304
2001EN05 Nucl.Phys. A690, 235c (2001) J.Enders, D.W.Anthony, T.Aumann, A.Bauer, T.Baumann, D.Bazin, Y.Blumenfeld, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, P.A.Lofy, V.Maddalena, K.L.Miller, T.Nakamura, A.Navin, B.V.Pritychenko, B.M.Sherrill, E.J.Spears, M.Steiner, J.A.Tostevin, A.Wagner, J.Yurkon Study of 34, 35Si and 37S with Single-Neutron Removal Reactions NUCLEAR REACTIONS 9Be(34Si, 33Si), (35Si, 34Si), (37S, 36S), E ≈ 60 MeV/nucleon; measured parallel momentum spectra, Eγ, Iγ, σ(E), deduced role of intruder configurations.
doi: 10.1016/S0375-9474(01)00948-4
2001HA12 Nucl.Phys. A682, 356c (2001) G.Hackman, S.M.Austin, T.Glasmacher, T.Aumann, B.A.Brown, R.W.Ibbotson, K.Miller, B.Pritychenko, L.A.Riley, B.Roeder, E.Spears Intermediate-Energy Coulomb Excitation of 19Ne NUCLEAR REACTIONS 197Au(19Ne, 19Ne'), E=55 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 19Ne deduced levels, J, π, widths, excitation B(E2), B(M1), B(E1). Secondary beam from 20Ne fragmentation. Shell model calculations.
doi: 10.1016/S0375-9474(00)00660-6
2001MA08 Phys.Rev. C63, 024613 (2001) V.Maddalena, T.Aumann, D.Bazin, B.A.Brown, J.A.Caggiano, B.Davids, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, A.Navin, B.V.Pritychenko, H.Scheit, B.M.Sherrill, M.Steiner, J.A.Tostevin, J.Yurkon Single-Neutron Knockout Reactions: Application to the spectroscopy of 16, 17, 19C NUCLEAR REACTIONS 9Be(16C, n15C), (17C, n16C), (19C, n18C), E ≈ 60 MeV/nucleon; measured Eγ, Iγ, σ(E), momentum distributions. 16,17,19C deduced levels, J, π, spectroscopic factors. Secondary beams from 22Ne fragmentation. Comparisons with model predictions.
doi: 10.1103/PhysRevC.63.024613
2001MA21 Nucl.Phys. A682, 332c (2001) V.Maddalena, T.Aumann, D.Bazin, B.A.Brown, J.A.Caggiano, B.Davids, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, A.Navin, B.V.Pritychenko, H.Scheit, B.M.Sherrill, M.Steiner, J.A.Tostevin, J.Yurkon One-Nucleon Knockout Reactions: The test case 15C and the single-particle structure of 16, 17, 19C NUCLEAR REACTIONS 9Be(15C, n14C), (16C, n15C), (17C, n16C), (19C, n18C), E ≈ 60 MeV/nucleon; measured longitudinal momentum distributions, σ(E). 16,17,19C deduced single-particle structure.
doi: 10.1016/S0375-9474(00)00657-6
2001MU08 Nucl.Phys. A682, 169c (2001) W.F.Mueller, P.D.Cottle, T.Glasmacher, G.Hackman, P.G.Hansen, R.W.Ibbotson, K.W.Kemper, B.V.Pritychenko, H.Scheit Detecting γ Rays from Fast Exotic Beams for Nuclear Structure Studies
doi: 10.1016/S0375-9474(00)00636-9
2001PR01 Phys.Rev. C63, 011305 (2001) B.V.Pritychenko, T.Glasmacher, B.A.Brown, P.D.Cottle, R.W.Ibbotson, K.W.Kemper, L.A.Riley, H.Scheit First Observation of an Excited State in the Neutron-Rich Nucleus 31Na NUCLEAR REACTIONS 197Au(31Na, 31Na'), E=58.9 MeV/nucleon; measured Eγ, (particle)γ-coin, σ(θ) following Coulomb excitation. 31Na deduced first excited state level, J, π, configuration using Shell Model calculations, and proton and nuclear matter deformation parameters following coupled-channels calculations.
doi: 10.1103/PhysRevC.63.011305
2001PR08 Phys.Rev. C63, 047308 (2001) B.V.Pritychenko, T.Glasmacher, B.A.Brown, P.D.Cottle, R.W.Ibbotson, K.W.Kemper, H.Scheit Shape Coexistence on the Boundary of the ' Island of Inversion ': Exotic beam spectroscopy of 34Al NUCLEAR REACTIONS 197Au(34Al, 34Al'), E=59.7 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation; deduced γ production σ. 34Al deduced transition. Secondary beam from 48Ca fragmentation.
doi: 10.1103/PhysRevC.63.047308
2001SC01 Phys.Rev. C63, 014604 (2001) H.Scheit, F.Marechal, T.Glasmacher, E.Bauge, Y.Blumenfeld, J.P.Delaroche, M.Girod, R.W.Ibbotson, K.W.Kemper, J.Libert, B.Pritychenko, T.Suomijarvi Proton Scattering by the Unstable Neutron-Rich Isotopes 42, 44Ar NUCLEAR REACTIONS 1H(36Ar, 36Ar'), E=33.6 MeV/nucleon; 1H(42Ar, 42Ar'), E=33.0 MeV/nucleon; 1H(44Ar, 44Ar'), E=33.2 MeV/nucleon; measured excitation energy spectra, angular distributions. 36,42,44Ar(p, p), (p, p'), E(cm) ≈ 33 MeV/nucleon; deduced σ(θ). 42,44Ar deduced quadrupole deformation, B(E2). Secondary beams from 48Ca fragmentation. Comparison with coupled-channels calculations. NUCLEAR STRUCTURE 36,40,42,44Ar; calculated radii, deformation. Microscopic collective models.
doi: 10.1103/PhysRevC.63.014604
2001VE01 Phys.Lett. 497B, 1 (2001) M.Veselsky, R.W.Ibbotson, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello Isospin Dependence of Isobaric Ratio Y(3(H)/Y(3He) and Its Relation to Temperature NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured light, intermediate fragment yields, 3H/3He yield ratio vs excitation energy and quasiprojectile N/Z ratio; deduced source temperature.
doi: 10.1016/S0370-2693(00)01318-6
2000AU02 Phys.Rev.Lett. 84, 35 (2000) T.Aumann, A.Navin, D.P.Balamuth, D.Bazin, B.Blank, B.A.Brown, J.E.Bush, J.A.Caggiano, B.Davids, T.Glasmacher, V.Guimaraes, P.G.Hansen, R.W.Ibbotson, D.Karnes, J.J.Kolata, V.Maddalena, B.Pritychenko, H.Scheit, B.M.Sherrill, J.A.Tostevin One-Neutron Knockout from Individual Single-Particle States of 11Be NUCLEAR REACTIONS 9Be(11Be, 10BeX), E=60 MeV/nucleon; measured σ(E), Eγ, Iγ, (particle)γ-coin, fragments parallel momentum distributions. 11Be deduced ground-state configuration, halo features.
doi: 10.1103/PhysRevLett.84.35
2000GU23 Phys.Rev. C61, 064609 (2000) V.Guimaraes, J.J.Kolata, D.Bazin, B.Blank, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, D.Karnes, V.Maddalena, A.Navin, B.Pritychenko, B.M.Sherrill, D.P.Balamuth, J.E.Bush Spectroscopy of 13, 14B via the One-Neutron Knockout Reaction NUCLEAR REACTIONS 9Be, 197Au(14B, 13B), E=830 MeV; measured σ, longitudinal momentum distribution, (particle)γ-coin. 13B deduced levels possible J, π. 14B deduced halo features. Eikonal reaction theory. Comparison with shell model.
doi: 10.1103/PhysRevC.61.064609
2000HA26 Phys.Rev. C61, 052801 (2000) G.Hackman, S.M.Austin, T.Glasmacher, T.Aumann, B.A.Brown, R.W.Ibbotson, K.Miller, B.Pritychenko, L.A.Riley, B.Roeder, E.Spears Intermediate-Energy Coulomb Excitation of 19Ne NUCLEAR REACTIONS 197Au(19Ne, 19Ne'), E=55 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 19Ne transitions deduced B(λ). Secondary beam from 20Ne fragmentation. Comparison with mirror nucleus, shell model calculations.
doi: 10.1103/PhysRevC.61.052801
2000NA23 Phys.Rev.Lett. 85, 266 (2000) A.Navin, D.W.Anthony, T.Aumann, T.Baumann, D.Bazin, Y.Blumenfeld, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, P.A.Lofy, V.Maddalena, K.Miller, T.Nakamura, B.V.Pritychenko, B.M.Sherrill, E.Spears, M.Steiner, J.A.Tostevin, J.Yurkon, A.Wagner Direct Evidence for the Breakdown of the N = 8 Shell Closure in 12Be NUCLEAR REACTIONS 9Be(12Be, 11BeX), E=78 MeV/nucleon; measured σ(E, θ), longitudinal momentum distribution, γ spectrum. 11Be levels deduced spectroscopic factors, no N=8 shell closure. S800 spectrograph.
doi: 10.1103/PhysRevLett.85.266
2000PR09 Phys.Rev. C62, 051601 (2000) B.V.Pritychenko, T.Glasmacher, B.A.Brown, P.D.Cottle, R.W.Ibbotson, K.W.Kemper, H.Scheit Single-Particle Structure Along the Boundary of the ' Island of Inversion ': Radioactive beam spectroscopy of 33Si and 34P NUCLEAR REACTIONS 197Au(33Si, 33Si'), E=50.5 MeV/nucleon; 197Au(34P, 34P'), E=54.5 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 33Si, 34P levels deduced excitation B(E2), configurations. Secondary beams from 40Ar fragmentation.
doi: 10.1103/PhysRevC.62.051601
2000TH11 Phys.Lett. 485B, 16 (2000) P.G.Thirolf, B.V.Pritychenko, B.A.Brown, P.D.Cottle, M.Chromik, T.Glasmacher, G.Hackman, R.W.Ibbotson, K.W.Kemper, T.Otsuka, L.A.Riley, H.Scheit Spectroscopy of the 21+ State in 22O and Shell Structure Near the Neutron Drip Line NUCLEAR REACTIONS 197Au(22O, 22O'), E=50.6 MeV/nucleon; measured Eγ, Iγ, σ. 22O level deduced excitation B(E2), shell structure. Secondary beam from 40Ar fragmentation. Level systematics in neighboring isotopes discussed.
doi: 10.1016/S0370-2693(00)00720-6
2000VE06 Phys.Rev. C62, 041605 (2000) M.Veselsky, R.W.Ibbotson, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello Inhomogeneous Isospin Distribution in the Reactions of 28Si + 112Sn and 124Sn at 30 and 50 MeV/nucleon NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured light charged particles, intermediate mass fragments N/Z distribution, multiplicities, 3H/3He yield ratios; deduced quasiprojectile features.
doi: 10.1103/PhysRevC.62.041605
2000VE08 Phys.Rev. C62, 064613 (2000) M.Veselsky, R.W.Ibbotson, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello Effect of Nucleon Exchange on Projectile Multifragmentation in the Reactions of 28Si + 112Sn and 124Sn at 30 and 50 MeV/nucleon NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured fragments isotopic yields, velocity distributions; deduced nucleon exchange effects, quasiprojectile mass, charge, excitation energy. Comparison with Monte Carlo simulation.
doi: 10.1103/PhysRevC.62.064613
1999CO23 Phys.Rev. C60, 031301 (1999) P.D.Cottle, M.Fauerbach, T.Glasmacher, R.W.Ibbotson, K.W.Kemper, B.Pritychenko, H.Scheit, M.Steiner The 0g.s.+ → 21+ Transition in 38Ca and Isospin Symmetry in A = 38 Nuclei NUCLEAR REACTIONS 197Au(38Ca, 38Ca'), E=56.1 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 38Ca level deduced excitation B(E2), isoscalar multipole matrix element, isospin symmetry breaking. Secondary beam from 40Ca fragmentation.
doi: 10.1103/PhysRevC.60.031301
1999IB01 Phys.Rev. C59, 642 (1999) R.W.Ibbotson, T.Glasmacher, P.F.Mantica, H.Scheit Coulomb Excitation of Odd-A Neutron-Rich π(s-d) and ν(f-p) Shell Nuclei NUCLEAR REACTIONS 197Au(35Al, 35Al'), (37Si, 37Si'), (39P, 39P'), (41S, 41S'), (43S, 43S'), (45Cl, 45Cl'), E=42-47.4 MeV/nucleon; measured Eγ, Iγ following Coulomb excitation. 35Al, 37Si, 39P, 41,43S, 45Cl; deduced levels, J, π, excitation B(E2). Secondary beams from 48Ca fragmentation.
doi: 10.1103/PhysRevC.59.642
1999JE06 Phys.Lett. 454B, 181 (1999) J.K.Jewell, L.A.Riley, P.D.Cottle, K.W.Kemper, T.Glasmacher, R.W.Ibbotson, H.Scheit, M.Chromik, Y.Blumenfeld, S.E.Hirzebruch, F.Marechal, T.Suomijarvi Proton Scattering on the Radioactive Nucleus 20O and the 0gs+ → 21+ Transition in the Neutron-Rich Oxygen Isotopes NUCLEAR REACTIONS 1H(20O, 20O'), E=30 MeV/nucleon; measured recoil proton spectra, σ(θ). 20O deduced transition neutron/proton matrix element ratio, core polarization features. Secondary beam from 22Ne fragmentation.
doi: 10.1016/S0370-2693(99)00403-7
1999PR09 Phys.Lett. 461B, 322 (1999); Erratum Phys.Lett. 467B, 309 (1999) B.V.Pritychenko, T.Glasmacher, P.D.Cottle, M.Fauerbach, R.W.Ibbotson, K.W.Kemper, V.Maddalena, A.Navin, R.Ronningen, A.Sakharuk, H.Scheit, V.G.Zelevinsky Role of Intruder Configurations in 26, 28Ne and 30, 32Mg NUCLEAR REACTIONS 197Au(26Ne, 26Ne'), (28Ne, 28Ne'), (30Mg, 30Mg'), (32Mg, 32Mg'), (34Mg, 34Mg'), (36Ar, 36Ar'), E ≈ 50 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 26,28Ne, 30,32Mg deduced levels energies, excitation B(E2), configurations. Secondary beams from 48Ca, 40Ar fragmentation. NUCLEAR STRUCTURE 26,28Ne, 30,32,34Mg calculated quadrupole moments, deformation. Nilsson model.
doi: 10.1016/S0370-2693(99)00850-3
1999RI05 Phys.Rev.Lett. 82, 4196 (1999) L.A.Riley, J.K.Jewell, P.D.Cottle, T.Glasmacher, K.W.Kemper, N.Alamanos, Y.Blumenfeld, J.A.Carr, M.J.Chromik, R.W.Ibbotson, F.Marechal, W.E.Ormand, F.Petrovich, H.Scheit, T.Suomijarvi Inverse Kinematics Proton Scattering on 18Ne and Mirror Symmetry in A = 18 Nuclei NUCLEAR REACTIONS 1H(18Ne, p), E=30 MeV/nucleon; measured proton spectra, inelastic σ(θ); deduced mirror symmetry. Comparison with n+18O scattering.
doi: 10.1103/PhysRevLett.82.4196
1998HU08 Phys.Rev. C57, R2790 (1998) M.Huhta, P.F.Mantica, D.W.Anthony, B.A.Brown, B.S.Davids, R.W.Ibbotson, D.J.Morrissey, C.F.Powell, M.Steiner Anomalous p-Shell Isoscalar Magnetic Moments: Remeasurement of 9C and the Influence of Isospin Nonconservation RADIOACTIVITY 9C(β+) [from 20Ne fragmentation]; measured β-NMR. 9C deduced μ, spin expectation value. NUCLEAR STRUCTURE 9C, 9Li, 13O, 13B; calculated μ, spin expectation values; deduced isospin-nonconserving interactions role. Shell model.
doi: 10.1103/PhysRevC.57.R2790
1998IB01 Phys.Rev.Lett. 80, 2081 (1998) R.W.Ibbotson, T.Glasmacher, B.A.Brown, L.Chen, M.J.Chromik, P.D.Cottle, M.Fauerbach, K.W.Kemper, D.J.Morrissey, H.Scheit, M.Thoennessen Quadrupole Collectivity in 32,34,36,38Si and the N = 20 Shell Closure NUCLEAR REACTIONS 197Au(32Si, 32Si'), (34Si, 34Si'), (36Si, 36Si'), (38Si, 38Si'), (40Ar, 40Ar'), E=37.4-48.2 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 32,34,36,38Si, 40Ar deduced 2+ level energies, excitation σ, B(E2), deformation.
doi: 10.1103/PhysRevLett.80.2081
1998NA34 Phys.Rev.Lett. 81, 5089 (1998) A.Navin, D.Bazin, B.A.Brown, B.Davids, G.Gervais, T.Glasmacher, K.Govaert, P.G.Hansen, M.Hellstrom, R.W.Ibbotson, V.Maddalena, B.Pritychenko, H.Scheit, B.M.Sherrill, M.Steiner, J.A.Tostevin, J.Yurkon Spectroscopy of Radioactive Beams from Single-Nucleon Knockout Reactions: Application to the sd shell nuclei 25Al and 26, 27, 28P NUCLEAR REACTIONS 9Be(25Al, p24Mg), (26P, p25Si), (27P, p26Si), (28P, p27Si), E ≈ 65 MeV/nucleon; measured Eγ, Iγ, (residue)γ-coin, momentum distributions following one-proton removal; deduced σ. 25Al, 26,27,28P deduced ground-state characteristics, halo features. Radioactive beams from fragmentation of 36Ar primary beam.
doi: 10.1103/PhysRevLett.81.5089
1998SM06 Phys.Rev. C58, 3171 (1998) J.F.Smith, M.W.Simon, R.W.Ibbotson, P.A.Butler, A.Aprahamian, A.M.Bruce, D.Cline, M.Devlin, G.D.Jones, P.M.Jones, C.Y.Wu Lifetimes of States in the Opposite-Parity Bands of 153Eu: Recoil-distance measurements following Coulomb excitation NUCLEAR REACTIONS 153Eu(58Ni, 58Ni'), E=220 MeV; measured Eγ, Iγ, (particle)γ-coin, Doppler-shifted spectra following Coulomb excitation. 153Eu deduced high-spin levels, J, π, T1/2, B(λ), intrinsic g-factors. Recoil distance technique.
doi: 10.1103/PhysRevC.58.3171
1997CH09 Phys.Rev. C55, 1676 (1997) M.J.Chromik, B.A.Brown, M.Fauerbach, T.Glasmacher, R.Ibbotson, H.Scheit, M.Thoennessen, P.G.Thirolf Excitation and Decay of the First Excited State of 17Ne NUCLEAR REACTIONS 197Au(17Ne, 17Ne'), E=60 MeV/nucleon; measured Eγ, Iγ following Coulomb excitation of first excited state. 17Ne level deduced production σ, 2p-decay branching ratio.
doi: 10.1103/PhysRevC.55.1676
1997FA11 Phys.Rev. C56, R1 (1997) M.Fauerbach, M.J.Chromik, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, D.J.Morrissey, H.Scheit, P.Thirolf, M.Thoennessen Coulomb Excitation of the One-Neutron Halo Nucleus 11Be NUCLEAR REACTIONS 208Pb, 197Au, C, 9Be(11Be, 11Be'), E=57-60 MeV/nucleon; measured Eγ, Iγ, γ(11Be)-coin following projectile Coulomb excitation. 11Be deduced level B(E1), nuclear contributions to excitation σ.
doi: 10.1103/PhysRevC.56.R1
1997GL02 Phys.Lett. 395B, 163 (1997) T.Glasmacher, B.A.Brown, M.J.Chromik, P.D.Cottle, M.Fauerbach, R.W.Ibbotson, K.W.Kemper, D.J.Morrissey, H.Scheit, D.W.Sklenicka, M.Steiner Collectivity in 44S NUCLEAR REACTIONS 197Au(44S, 44S'), E ≈ 35 MeV/nucleon; measured Eγ, Iγ, γ(particle)-coin following Coulomb excitation. 44S deduced level, J, π, B(λ).
doi: 10.1016/S0370-2693(97)00077-4
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
1997MA21 Phys.Rev. C55, 2501 (1997) P.F.Mantica, R.W.Ibbotson, D.W.Anthony, M.Fauerbach, D.J.Morrissey, C.F.Powell, J.Rikovska, M.Steiner, N.J.Stone, W.B.Walters Sign Dependence of Spin Polarization for Secondary Fragments Produced following Intermediate-Energy Projectile Fragmentation RADIOACTIVITY 12B(β-) [from 93Nb(18O, X), E=80 MeV/nucleon]; measured Eβ, β(θ), polarized nuclei. 12B deduced μ, spin polarization characteristics.
doi: 10.1103/PhysRevC.55.2501
1996DE17 Phys.Rev. C53, 2900 (1996) M.Devlin, D.Cline, R.Ibbotson, M.W.Simon, C.Y.Wu Sub-Barrier Transfer Reactions in 58Ni + 162Dy NUCLEAR REACTIONS 162Dy(58Ni, 59Ni), (58Ni, 60Ni), (58Ni, 57Co), (58Ni, 56Fe), E=240-273 MeV; measured transfer probabilities, Q-value spectra; deduced transfer slope coefficients, cold transfer component.
doi: 10.1103/PhysRevC.53.2900
1996SC31 Phys.Rev.Lett. 77, 3967 (1996) H.Scheit, T.Glasmacher, B.A.Brown, J.A.Brown, P.D.Cottle, P.G.Hansen, R.Harkewicz, M.Hellstrom, R.W.Ibbotson, J.K.Jewell, K.W.Kemper, D.J.Morrissey, M.Steiner, P.Thirolf, M.Thoennessen New Region of Deformation: The neutron-rich sulfur isotopes NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), (42S, 42S'), (44Ar, 44Ar'), (46Ar, 46Ar'), E=35.2-39.2 MeV/nucleon; measured γ(particle)-coin following Coulomb excitation. 38,40,42S, 44,46Ar deduced level energies, B(λ), deformation features. Secondary S, Ar beams from 9Be(40Ar, X), (48Ca, X), E=80 MeV/nucleon.
doi: 10.1103/PhysRevLett.77.3967
1996WA25 Nucl.Phys. A608, 77 (1996) X.-H.Wang, C.-H.Yu, D.M.Cullen, D.C.Bryan, M.Devlin, M.J.Fitch, A.Galindo-Uribarri, R.W.Gray, D.M.Herrick, R.W.Ibbotson, K.L.Kurz, S.Mullins, S.Pilotte, D.C.Radford, M.R.Satteson, M.W.Simon, D.Ward, C.Y.Wu, L.H.Yao High-Spin States in Odd-Odd 164Lu NUCLEAR REACTIONS 149Sm(19F, 4n), E=85 MeV; 146Nd(23Na, 5n), E=110 MeV; measured Eγ, Iγ, γγ-coin. 164Lu deduced high-spin levels, J, π, γ-branching, B(M1)/B(E2) ratios, band crossings, signature inversion, neutron-proton interactions.
doi: 10.1016/S0375-9474(96)00254-0
1995CR01 Phys.Rev. C51, 1025 (1995) A.J.Cresswell, M.Devlin, P.A.Butler, D.Cline, K.G.Helmer, R.Ibbotson, G.D.Jones, M.A.Stoyer, J.O.Rasmussen, C.Y.Wu Prompt and Isomeric Fission of Pu Isotopes following Heavy-Ion Induced Transfer Reactions NUCLEAR REACTIONS 239Pu(117Sn, 118Sn), (117Sn, 117Sn'), E=630 MeV; measured 238Pu isomer fission σ following neutron transfer, 239Pu prompt fission σ following inelastic excitation. 239,238Pu deduced delayed to prompt fission ratio.
doi: 10.1103/PhysRevC.51.1025
1995CR05 Phys.Rev. C52, 1934 (1995) A.J.Cresswell, P.A.Butler, D.Cline, R.A.Cunningham, M.Devlin, F.Hannachi, R.Ibbotson, G.D.Jones, P.M.Jones, M.Simon, J.Simpson, J.F.Smith, C.Y.Wu Population of Collective Bands in Dy Isotopes using Heavy Ion Induced Transfer Reactions NUCLEAR REACTIONS 161Dy(61Ni, 62Ni), (61Ni, 60Ni), E=270 MeV; measured (particle)γγ-coin, Eγ, Iγ. 160,162Dy deduced levels, band structure, configuration.
doi: 10.1103/PhysRevC.52.1934
1995DE63 Nucl.Instrum.Methods Phys.Res. A357, 467 (1995) M.Devlin, C.Y.Wu, D.Cline, R.Ibbotson, M.W.Simon A Kinematic-Coincidence Detector System for Sub-Barrier Heavy-Ion Reaction Studies NUCLEAR REACTIONS 162Dy(58Ni, X), E=240 MeV; measured neutron, proton production Q spectra. Kinematic coincidence detector system, sub-barrier reactions.
doi: 10.1016/0168-9002(94)01695-X
1995WU01 Phys.Rev. C51, 173 (1995) C.Y.Wu, D.Cline, M.Devlin, K.G.Helmer, R.W.Ibbotson, M.W.Simon, P.A.Butler, A.J.Cresswell, G.D.Jones, P.M.Jones, J.F.Smith, R.A.Cunningham, J.Simpson Excitation-Energy Partition in Quasielastic Transfer Reactions at Near Barrier Energies NUCLEAR REACTIONS 161Dy(58Ni, 59Ni), E=265 MeV; 161Dy(61Ni, 62Ni), E=267, 270 MeV; measured (particle)γ-coin; deduced receptor, donor excitation energy partition. 59,62Ni levels deduced relative population.
doi: 10.1103/PhysRevC.51.173
1994CR06 Acta Phys.Pol. B25, 565 (1994) A.J.Cresswell, P.A.Butler, D.Cline, R.A.Cunningham, M.Devlin, F.Hannachi, K.G.Helmer, R.Ibbotson, G.D.Jones, P.M.Jones, I.-Y.Lee, X.-T.Liu, J.O.Rasmussen, M.W.Simon, J.Simpson, J.F.Smith, M.A.Stoyer, C.-Y.Wu Heavy Ion Transfer Studies using Detector Arrays NUCLEAR REACTIONS, ICPND 161Dy(61Ni, 62Ni), (61Ni, 60Ni), E=270 MeV; measured γγ-coin. 160,162Dy deduced levels, band structure, configuration. 239Pu(117Sn, 118Sn), E=630 MeV; measured fragment spectra following residual isomer fission, γγ-coin; deduced superdeformed states population probability by transfer reaction.
1993DE12 Phys.Rev. C47, 2178 (1993) M.Devlin, D.Cline, K.G.Helmer, R.Ibbotson, C.Y.Wu, P.A.Butler, A.J.Cresswell, G.D.Jones, M.A.Stoyer, J.O.Rasmussen Spectroscopy of 238,239Pu Studied by Quasielastic Reactions NUCLEAR REACTIONS 239Pu(117Sn, 117Sn'), (117Sn, 118Sn), E=630 MeV; measured γγ-coin, γ multiplicity. 238,239Pu deduced levels, J, π, band structure.
doi: 10.1103/PhysRevC.47.2178
1993HO12 Phys.Rev. C48, 433 (1993) D.J.Horen, R.L.Auble, C.Y.Wu, D.Cline, M.Devlin, R.Ibbotson, M.W.Simon Half-Life of the 2+1 State of 94Zr NUCLEAR REACTIONS 94Zr(32S, 32S'), E=105 MeV; measured γ(32S)-coin, recoil distance. 94Zr level deduced T1/2, B(λ).
doi: 10.1103/PhysRevC.48.433
1993HO19 Phys.Rev. C48, R2131 (1993) D.J.Horen, R.L.Auble, G.R.Satchler, J.R.Beene, I.Y.Lee, C.Y.Wu, D.Cline, M.Devlin, R.Ibbotson, M.W.Simon Lifetime of the 3-1 State and Octupole Collectivity in 96Zr NUCLEAR REACTIONS 96Zr(32S, 32S'), E=105; measured Eγ, Iγ, γ(32S)-coin. 96Zr(6Li, 6Li'), E=70 MeV; analyzed σ(θ). 96Zr level deduced T1/2, B(λ). Model comparisons.
doi: 10.1103/PhysRevC.48.R2131
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
1991IB01 Nucl.Phys. A530, 199 (1991) R.Ibbotson, B.Kotlinski, D.Cline, K.G.Helmer, A.E.Kavka, A.Renalds, E.G.Vogt, P.A.Butler, C.A.White, R.Wadsworth, D.L.Watson Lifetimes of Low-Lying States in 148Nd NUCLEAR REACTIONS 148Nd(58Ni, 58Ni'), E=220 MeV; measured Eγ, Iγ, recoil distance decay curves following Coulomb excitation, pγ-coin. 148Nd levels deduced T1/2, B(λ), intrinsic deformations, quadrupole moments.
doi: 10.1016/0375-9474(91)90763-V
1991WU05 Nucl.Phys. A533, 359 (1991) C.Y.Wu, D.Cline, E.G.Vogt, W.J.Kernan, T.Czosnyka, K.G.Helmer, R.W.Ibbotson, A.E.Kavka, B.Kotlinski, R.M.Diamond Electromagnetic Properties of Tungsten Nuclei NUCLEAR REACTIONS 182,184W(58Ni, 58Ni'), E=235 MeV; 182,184W(136Xe, 136Xe'), E=561 MeV; measured Eγ, Iγ following Coulomb excitation. 182,184W(58Ni, 58Ni'), E=245 MeV; measured Eγ, Iγ, recoil distance method. 182,184W deduced levels, static, transition E2 matrix elements, T1/2.
doi: 10.1016/0375-9474(91)90495-R
1990WU01 Phys.Rev. C41, 1600 (1990) C.Y.Wu, M.Satteson, K.Wang, D.Cline, H.E.Gove, S.S.Hanna, M.Hass, R.Ibbotson, A.V.Ramayya Isomers in Iodine Nuclei NUCLEAR REACTIONS 92Mo(28Si, n3p), E=120 MeV; 116Cd(11B, 5n), (11B, 6n), E=65 MeV; measured Eγ, Iγ, γ(t). 116,121,122I deduced isomer T1/2.
doi: 10.1103/PhysRevC.41.1600
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