NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = P.D.Cottle Found 125 matches. Showing 1 to 100. [Next]2024CO04 Nucl.Instrum.Methods Phys.Res. A1058, 168827 (2024) A.L.Conley, B.Kelly, M.Spieker, R.Aggarwal, S.Ajayi, L.T.Baby, S.Baker, C.Benetti, I.Conroy, P.D.Cottle, I.B.D'Amato, P.DeRosa, J.Esparza, S.Genty, K.Hanselman, I.Hay, M.Heinze, D.Houlihan, M.I.Khawaja, P.S.Kielb, A.N.Kuchera, G.W.McCann, A.B.Morelock, E.Lopez-Saavedra, R.Renom, L.A.Riley, G.Ryan, A.Sandrik, V.Sitaraman, E.Temanson, M.Wheeler, C.Wibisono, I.Wiedenhover The CeBrA demonstrator for particle-γ coincidence experiments at the FSU Super-Enge Split-Pole Spectrograph NUCLEAR REACTIONS 49Ti, 61Ni, 52Cr, 34S(d, p), E=16 MeV; measured reaction products, Eγ, Iγ, particle-γ-coin.; deduced γ-ray energies and relative intensities, excited states lifetimes. Comparison with available data. The CeBrA demonstrator for particle-γ coincidence experiments at the Super-Enge Split-Pole Spectrograph of the John D. Fox Superconducting Linear Accelerator Laboratory at Florida State University.
doi: 10.1016/j.nima.2023.168827
2024HA06 Phys.Rev. C 109, 024302 (2024) I.C.S.Hay, P.D.Cottle, L.A.Riley, L.T.Baby, S.Baker, A.L.Conley, J.Esparza, K.Hanselman, M.Heinze, D.Houlihan, B.Kelly, K.W.Kemper, G.W.McCann, R.Renom, A.Sandrik, D.Simms, M.Spieker, I.Wiedenhover Measurement of g9/2 strength in the stretched 8- state and other negative parity states via the 51V(d, p)52V reaction
doi: 10.1103/PhysRevC.109.024302
2024SP01 Phys.Rev. C 109, 014307 (2024) M.Spieker, D.Bazin, S.Biswas, P.D.Cottle, P.J.Farris, A.Gade, T.Ginter, S.Giraud, K.W.Kemper, J.Li, S.Noji, J.Pereira, L.A.Riley, M.K.Smith, D.Weisshaar, R.G.T.Zegers Proton removal from 73, 75Br to 72, 74Se at intermediate energies
doi: 10.1103/PhysRevC.109.014307
2023RI03 Phys.Rev. C 108, 044306 (2023) L.A.Riley, D.T.Simms, L.T.Baby, A.L.Conley, P.D.Cottle, J.Esparza, K.Hanselman, I.C.S.Hay, M.Heinze, B.Kelly, K.W.Kemper, G.W.McCann, R.Renom, M.Spieker, I.Wiedenhover g9/2 neutron strength in the N=29 isotones and the 52Cr(d, p)53Cr reaction
doi: 10.1103/PhysRevC.108.044306
2023SP02 Phys.Lett. B 841, 137932 (2023) M.Spieker, S.E.Agbemava, D.Bazin, S.Biswas, P.D.Cottle, P.J.Farris, A.Gade, T.Ginter, S.Giraud, K.W.Kemper, J.Li, W.Nazarewicz, S.Noji, J.Pereira, L.A.Riley, M.Smith, D.Weisshaar, R.G.T.Zegers Hexadecapole strength in the rare isotopes 74, 76Kr NUCLEAR REACTIONS 1H(74Kr, 74Kr'), (76Kr, 76Kr'), E(cm)=100 MeV, [secondary 74,76Kr beams from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction, followed by separation of fragments using A1900 separator]; measured Doppler-corrected Eγ, Iγ, (particle)γ-coin using NSCL-MSU using NSCL/Ursinus Liquid Hydrogen (LH2) Target, eight GRETINA modules of 36-fold segmented HPGe detectors for γ radiation, and S800 spectrograph for projectile-like reaction residues. 74,76Kr; deduced levels, Jπ, β2 for the first 2+ state and β4 and B(E4)(W.u.) for the first 4+ state from inelastic proton scattering experiments in inverse kinematics. Comparison to coupled-channels calculations, and nuclear density functional theory (DFT) calculations using the Skyrme SkM* and UNEDF1 energy density functionals, covariant NL3* and DD-PC1 energy density functionals. Systematics and theoretical predictions of β2, β4 and B(E4)(W.u.) for 74,76,78,80,82,84,86Kr.
doi: 10.1016/j.physletb.2023.137932
2022RI07 Phys.Rev. C 106, 064308 (2022) L.A.Riley, I.C.S.Hay, L.T.Baby, A.L.Conley, P.D.Cottle, J.Esparza, K.Hanselman, B.Kelly, K.W.Kemper, K.T.Macon, G.W.McCann, M.W.Quirin, R.Renom, R.L.Saunders, M.Spieker, I.Wiedenhover 54Fe(d, p)55Fe and the evolution of single neutron energies in the N=29 isotones NUCLEAR REACTIONS 54Fe(d, p), E=16 MeV; measured Ep, Ip, angular distribution. 55Fe; deduced levels, J, π, spectroscopic factors, single-neutron energies for the 2p3/2, 2p1/2, 1f5/2, 1g9/2 and 2d5/2 orbits, spin-orbit splitting. Comparison with calculations made in the framework of covariant density functional theory using the covariant energy density functional FSUGarnet. Systematics of single-neutron energy for N=28 isotones (49Ca, 51Ti, 53Cr, 55Fe, 57Ni). Super-Enge Split-Pole Spectrograph at 9MV Super FN Tandem Van de Graaff Accelerator at the John D. Fox Laboratory (FSU).
doi: 10.1103/PhysRevC.106.064308
2022SP04 Phys.Rev. C 106, 054305 (2022) M.Spieker, L.A.Riley, P.D.Cottle, K.W.Kemper, D.Bazin, S.Biswas, P.J.Farris, A.Gade, T.Ginter, S.Giraud, J.Li, S.Noji, J.Pereira, M.Smith, D.Weisshaar, R.G.T.Zegers Investigation of octupole collectivity near the A = 72 shape-transitional point NUCLEAR REACTIONS 1H(76Kr, p), (74Kr, p), (72Se, p), E(cm)≈ 100 MeV/nucleon; measured Eγ, Iγ, γγ-coin, angular distribution; deduced levels, J, π, B(E2), B(E3). Comparison to theoretical calculations performed in the framework of the configuration-mixing sdf IBM mapping approach. Systematics of B(E3) transition strength in Kr, Se and Ge isotopes. Established two regions of distinct octupole strengths with a sudden strength increase around the A = 72 prolate-oblate-triaxial shape-transitional point. Ursinus liquid hydrogen target coupled to 8 GRETINA modules, containing four, 36-fold segmented HPGe detectors each. Beams produced from a 150-MeV/nucleon 78Kr primary beam in projectile fragmentation on 9Be target at Coupled Cyclotron Facility NSCL.
doi: 10.1103/PhysRevC.106.054305
2021RI08 Phys.Rev. C 103, 064309 (2021) L.A.Riley, J.M.Nebel-Crosson, K.T.Macon, G.W.McCann, L.T.Baby, D.Caussyn, P.D.Cottle, J.Esparza, K.Hanselman, K.W.Kemper, E.Temanson, I.Wiedenhover 50Ti(d, p)51Ti: Single-neutron energies in the N=29 isotones, and the N=32 subshell closure NUCLEAR REACTIONS 50Ti(d, p)51Ti, E=16 MeV; measured E(p), I(p), σ(θ) using the Super Enge Split-Pole Spectrograph (SPS) spectrometer at the J. D. Fox Laboratory at Florida State University. 51Ti; deduced levels, J, L-transfers, spectroscopic factors, s3/2, s1/2, and d5/2 single-neutron energy centroids and compared with covariant density functional theory calculations. Adiabatic distorted wave approximation (ADW) and DWBA calculations using global optical potentials.
doi: 10.1103/PhysRevC.103.064309
2020CO08 Eur.Phys.J. A 56, 256 (2020) P.D.Cottle, K.W.Kemper, L.A.Riley Jacque Raynal, ECIS, and Mn/Mp values in radioactive nuclei NUCLEAR STRUCTURE 20O, 42Si, 44S, 46Ar, 48Ca; analyzed available data on ratios of neutron to proton transition matrix elements; calculated matrix elements using ECIS code.
doi: 10.1140/epja/s10050-020-00250-5
2019LO06 Phys.Rev. C 99, 064330 (2019) B.Longfellow, A.Gade, B.A.Brown, D.Bazin, P.C.Bender, M.Bowry, P.D.Cottle, B.Elman, E.Lunderberg, A.Magilligan, M.Spieker, D.Weisshaar, S.J.Williams Spectroscopy and lifetime measurements near the proton drip line: 26, 27, 28P NUCLEAR REACTIONS 9Be(26Si, 26P), (27P, 26P), (28S, 26P), (26Si, 27P), (30S, 27P), (34Ar, 27P), (29P, 28P), (34Ar, 28P), (33Cl, 28P), (30S, 28P), (28Si, 27Si), E=118 MeV/nucleon, [secondary beams from 9Be(36Ar, X), E=150 MeV/nucleon primary beam, followed by fragment separation by A1900 fragment separator at NSCL-MSU facility]; measured reaction products, particle identification plot, Eγ, Iγ using CEASAR and SeGA arrays for γ detection and the S800 spectrograph focal plane detectors for charged particle identification. 26,27,28P, 27Si; deduced levels, J, π, level half-lives; calculated Thomas-Ehrman shifts applied to energies in mirror nuclei. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.99.064330
2019RI03 Phys.Rev. C 100, 044312 (2019); Erratum Phys.Rev. C 101, 059902 (2020) L.A.Riley, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, P.D.Cottle, B.Elman, A.Gade, S.D.Gregory, E.B.Haldeman, K.W.Kemper, B.R.Klybor, M.A.Liggett, S.Lipschutz, B.Longfellow, E.Lunderberg, T.Mijatovic, J.Pereira, L.M.Skiles, R.Titus, A.Volya, D.Weisshaar, J.C.Zamora, R.G.T.Zegers Inverse-kinematics proton scattering from 42, 44S, 41, 43P, and the collapse of the N=28 major shell closure NUCLEAR REACTIONS 1H(42S, 42S'), E=62 MeV/nucleon; 1H(44S, 44S'), E=70 MeV/nucleon; 1H(41P, 41P'), E=58 MeV/nucleon; 1H(43P, 43P'), E=65 MeV/nucleon, [secondary 42,44S, 41,43P beams from 9Be(48Ca, X), E=140 MeV/nucleon followed by separation using A1900 fragment separator at NSCL-MSU]; measured reaction products, Eγ, Iγ, (particle)γ-coin using S-800 high resolution magnetic spectrograph, and GRETINA array. 42,44S, 41,43P; deduced levels, J, π, scattering σ, deformation lengths and ratio of neutron-to-proton transition matrix elements for 42,44S. Optical model analysis. Comparison with shell-model calculations using SDPF-U and SDPF-MU interactions, and with previous experimental results. Systematics of deformation lengths in 36,38,40,42,44S. Systematics of ratios of neutron to proton transition matrix elements in 42,44,48,50Ca, 40,42,44,46Ar, 36,38,40,42,44,46S, 36,38Si.
doi: 10.1103/PhysRevC.100.044312
2017CO07 Phys.Rev. C 95, 064323 (2017) J.R.Cottle, V.Tripathi, B.A.Brown, B.Abromeit, J.M.Allmond, M.Anastasiou, L.T.Baby, J.S.Baron, P.D.Cottle, R.Dungan, T.C.Hensley, K.W.Kemper, R.S.Lubna, N.Rijal, E.Rubino, S.L.Tabor, P.-L.Tai, K.Villafana, I.Wiedenhoever Complete spectroscopy of 211Po below 2.0 MeV via the (α, n) reaction NUCLEAR REACTIONS 208Pb(α, n), E=24 MeV; measured Eγ, Iγ, γγ-coin using enriched target and an array of six HPGe Clover detectors at the FN tandem accelerator of Florida State University. 211Po; deduced levels, J, π, configurations. Comparison with shell model calculation using the modified Kuo-Herling interaction.
doi: 10.1103/PhysRevC.95.064323
2017HE15 Phys.Rev. C 96, 034325 (2017) T.C.Hensley, P.D.Cottle, V.Tripathi, B.Abromeit, M.Anastasiou, L.T.Baby, J.S.Baron, D.Caussyn, R.Dungan, K.W.Kemper, R.S.Lubna, S.L.Miller, N.Rijal, M.A.Riley, S.L.Tabor, P.-L.Tai, K.Villafana High spin spectroscopy in 219Ra: Search for the lower mass boundary of the region of statically octupole-deformed nuclei NUCLEAR REACTIONS 208Pb(14C, 3n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using an array of Compton-suppressed seven single crystal HPGe detectors and three clover-style HPGe detectors at the FN Tandem accelerator laboratory of Florida State University. 219Ra; deduced high-spin levels, J, π, multipolarities, octupole bands, evidence for stable octupole deformation. Systematics of energy splitting between candidates for simplex partner bands in 219,221Ra, 221,223Th.
doi: 10.1103/PhysRevC.96.034325
2017PA02 Phys.Rev.Lett. 118, 052501 (2017) J.J.Parker, IV, I.Wiedenhover, P.D.Cottle, J.Baker, D.McPherson, M.A.Riley, D.Santiago-Gonzalez, A.Volya, V.M.Bader, T.Baugher, D.Bazin, A.Gade, T.Ginter, H.Iwasaki, C.Loelius, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, K.Whitmore, D.Weisshaar, A.Lemasson, H.L.Crawford, A.O.Macchiavelli, K.Wimmer Isomeric Character of the Lowest Observed 4+ State in 44S NUCLEAR REACTIONS Be(46Ar, 2p)44S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). Plunger apparatus at GRETINA.
doi: 10.1103/PhysRevLett.118.052501
2017RI09 Phys.Rev. C 96, 064315 (2017) L.A.Riley, M.L.Agiorgousis, T.R.Baugher, D.Bazin, R.L.Blanchard, M.Bowry, P.D.Cottle, F.G.DeVone, A.Gade, M.T.Glowacki, K.W.Kemper, J.S.Kustina, E.Lunderberg, D.M.McPherson, S.Noji, J.Piekarewicz, F.Recchia, B.V.Sadler, M.Scott, D.Weisshaar, R.G.T.Zegers Spectroscopy of 54Ti and the systematic behavior of low-energy octupole states in Ca and Ti isotopes NUCLEAR REACTIONS 1H(54Ti, p'), (55Ti, 54Ti), E=91.5 MeV/nucleon, [secondary 54,55Ti beams from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured Eγ, Iγ, γγ-coin, σ using GRETINA array for γ detection. 54Ti; deduced levels, J, π, γ-ray branching ratios, deformation lengths. Comparison with previous experimental results, and with random phase approximation (RPA) calculations using NL3, FSUGold and FSUGarnet effective interactions. Discussed systematics of E3 strength distributions in neighboring nuclei. NUCLEAR STRUCTURE 40,42,44,46,48,50,52Ca, 50,52,54Ti; calculated E3 strength distributions using random phase approximation (RPA) with NL3, FSUGold and FSUGarnet effective interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.064315
2016RI02 Phys.Rev. C 93, 044327 (2016) L.A.Riley, D.M.McPherson, M.L.Agiorgousis, T.R.Baugher, D.Bazin, M.Bowry, P.D.Cottle, F.G.DeVone, A.Gade, M.T.Glowacki, S.D.Gregory, E.B.Haldeman, K.W.Kemper, E.Lunderberg, S.Noji, F.Recchia, B.V.Sadler, M.Scott, D.Weisshaar, R.G.T.Zegers Octupole strength in the neutron-rich calcium isotopes NUCLEAR REACTIONS 1H(49Ca, 49Ca'), E=94 MeV/nucleon; 1H(51Ca, 51Ca'), E=86 MeV/nucleon; 1H(52Ca, 52Ca'), E=84 MeV/nucleon, [secondary 49,51,52Ca cocktail beam from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction, using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, (particle)γ-coin using high resolution S800 magnetic spectrograph and high resolution gamma-ray tracking (GRETINA) array. 49,51,52Ca; deduced levels, J, π, cross sections, deformation lengths. Optical model analysis. Comparison with previous experimental data. 48,49,50,51,52Ca; Systematics of (p, p'), octupole states and level structure data.
doi: 10.1103/PhysRevC.93.044327
2014RI04 Phys.Rev. C 90, 011305 (2014) L.A.Riley, M.L.Agiorgousis, T.R.Baugher, D.Bazin, M.Bowry, P.D.Cottle, F.G.DeVone, A.Gade, M.T.Glowacki, K.W.Kemper, E.Lunderberg, D.M.McPherson, S.Noji, F.Recchia, B.V.Sadler, M.Scott, D.Weisshaar, R.G.T.Zegers Inverse-kinematics proton scattering on 50Ca: Determining effective charges using complementary probes NUCLEAR REACTIONS 1H(50Ca, 50Ca'), E=90 MeV/nucleon; 1H(48Ca, 48Ca'), E=98 MeV/nucleon, [secondary beams of 48,50Ca from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction]; measured Eγ, Iγ, (48,50Ca)γ-coin, σ, γ-branching ratios using A1900 fragment separator, S800 magnetic spectrograph, and GRETINA γ-ray tracking array at NSCL-MSU facility. 48,50Ca; deduced levels, J, π, deformation lengths, ratio of neutron-to-proton transition matrix elements Mn/Mp for first 2+ states, proton and neutron effective charges in the fp shell. Systematics of Mn/Mp ratios for 42,44,46,48,50Ca. Optical model analysis.
doi: 10.1103/PhysRevC.90.011305
2012RI08 Phys.Rev. C 86, 047301 (2012) L.A.Riley, P.Adrich, N.Ahsan, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, T.Glasmacher, K.E.Hosier, K.W.Kemper, A.Ratkiewicz, K.P.Siwek, J.A.Tostevin, A.Volya, D.Weisshaar γ-ray spectroscopy of one-proton knockout from 45Cl NUCLEAR REACTIONS 9Be(45Cl, 44S), [45Cl secondary beam from 9Be(48Ca, X), E=145 MeV/nucleon primary reaction], E=99.6 MeV/nucleon; measured Eγ, Iγ, particle spectra, (particle)γ-coin, inclusive parallel momentum distribution, partial one-proton knockout σ using SeGA array at NSCL. 44S; deduced levels, J, π, partial knockout cross sections, branching ratios. Eikonal-model analysis. Comparison with shell model calculations, and with previous experimental studies.
doi: 10.1103/PhysRevC.86.047301
2011SA25 Phys.Rev. C 83, 061305 (2011) D.Santiago-Gonzalez, I.Wiedenhover, V.Abramkina, M.L.Avila, T.Baugher, D.Bazin, B.A.Brown, P.D.Cottle, A.Gade, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Rojas, A.Ratkiewicz, R.Meharchand, E.C.Simpson, J.A.Tostevin, A.Volya, D.Weisshaar Triple configuration coexistence in 44S NUCLEAR REACTIONS 9Be(46Ar, 2p), [46Ar secondary beam produced in Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=99.9 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin using SeGA array, cross sections. 44S; deduced levels, J, π, longitudinal momentum distributions, and configurations. Two-proton knockout reaction. Comparison with shell-model calculations using the SDPF-U interaction.
doi: 10.1103/PhysRevC.83.061305
2010JO08 J.Phys.:Conf.Ser. 205, 012011 (2010) E.D.Johnson, G.V.Rogachev, V.Z.Goldberg, S.Brown, D.Robson, A.M.Crisp, P.D.Cottle, C.Fu, J.Giles, B.W.Green, K.W.Kemper, K.Lee, B.T.Roeder, R.E.Tribble Clustering in N ≠ Z nuclei NUCLEAR REACTIONS 4He(14C, 14C), E=25 MeV; measured resonance elastic scattering, Eα, Iα(θ); deduced σ, σ(θ); calculated σ, σ(θ) using R-matrix; deduced resonance parameters, α-widths, n-widths. 4He(14C, 18O), E≈1-100 keV; calculated, analyzed reaction data using DWBA σ and Coulomb modified ANC; deduced reaction rates, asymptotic normalization coefficients, influence of cluster resonant and nonresonant capture.
doi: 10.1088/1742-6596/205/1/012011
2010RE05 Phys.Rev. C 81, 067303 (2010) R.R.Reynolds, P.D.Cottle, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, W.F.Mueller, B.T.Roeder, J.R.Terry, J.A.Tostevin 25Si and 29S studied via single neutron knockout reactions NUCLEAR REACTIONS 9Be(26Si, 25Si), E=109 MeV/nucleon; 9Be(30S, 29S), E=103 MeV/nucleon, [secondary beams of 26Si and 30S from primary 9Be(36Ar, X), E=150 MeV/nucleon]; measured Eγ, Iγ, (particle)γ-coin, σ using SeGA array. 25Si, 29S; deduced levels, J, π. Comparisons with previous experimental data, mirror nuclei 25Na and 29Al, and shell model calculations.
doi: 10.1103/PhysRevC.81.067303
2009JO08 Eur.Phys.J. A 42, 135 (2009) E.D.Johnson, G.V.Rogachev, V.Z.Goldberg, S.Brown, D.Robson, A.M.Crisp, P.D.Cottle, C.Fu, J.Giles, B.W.Green, K.W.Kemper, K.Lee, B.T.Roeder, R.E.Tribble Extreme α-clustering in the 18O nucleus NUCLEAR REACTIONS 4He(14C, 14C), E=25 MeV; measured σ(E, θ). 18O; deduced levels, widths, J, π using R-matrix analysis.
doi: 10.1140/epja/i2009-10887-1
2009RI04 Phys.Rev. C 79, 051303 (2009) L.A.Riley, P.Adrich, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, D.A.Garland, T.Glasmacher, B.A.Hartl, K.E.Hosier, K.W.Kemper, A.Ratkiewicz, K.P.Siwek, D.C.Stoken, J.A.Tostevin, D.Weisshaar Selectivity of the one-neutron knockout reaction on 45Cl and the collapse of the N = 28 shell closure NUCLEAR REACTIONS 9Be(45Cl, 44Cl), E=99.6 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin and parallel momentum distributions. 44Cl; deduced levels, J, π, half-life, cross section. One-neutron knockout reaction. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.79.051303
2009RI11 Phys.Rev. C 80, 037305 (2009) L.A.Riley, P.Adrich, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, D.A.Garland, T.Glasmacher, K.E.Hosier, K.W.Kemper, A.Ratkiewicz, K.P.Siwek, J.A.Tostevin, D.Weisshaar Rotational and neutron-hole states in 43S via the neutron knockout and fragmentation reactions NUCLEAR REACTIONS 9Be(44S, X), E=92 MeV/nucleon; 9Be(45Cl, X), E=98 MeV/nucleon; measured Eγ, Iγ, γγ-coin and σ using SeGA array. 43S; deduced levels, J, π, rotational band and branching ratios. One-neutron knockout and fragmentation reactions. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.80.037305
2008CO10 Phys.Rev. C 78, 037304 (2008) Single-neutron energies near N=28 and the absence of the N=34 subshell closure in the Ti isotopes NUCLEAR STRUCTURE 48Ca, 50Ti, 52Cr, 54Fe; analyzed single neutron energies.
doi: 10.1103/PhysRevC.78.037304
2008RI04 Phys.Rev. C 78, 011303 (2008) L.A.Riley, P.Adrich, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, D.A.Garland, T.Glasmacher, K.E.Hosier, K.W.Kemper, T.Otsuka, W.D.M.Rae, A.Ratkiewicz, K.P.Siwek, J.A.Tostevin, Y.Utsuno, D.Weisshaar d5/2 proton hole strength in neutron-rich 43P: Shell structure and nuclear shapes near N = 28 NUCLEAR REACTIONS 9Be(44S, p43P), E=91.7 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin, partial σ, momentum distributions. 43P; deduced levels, J, π. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.78.011303
2007CO22 Phys.Rev. C 76, 027301 (2007) Single proton energies in the Si isotopes and the Z = 14 subshell closure NUCLEAR STRUCTURE 26,28,30,32,34,36,38,40,42Si; analyzed binding energy, single proton transfer reactions, radioactive decay and direct reactions. Deduced evolution of single proton energies.
doi: 10.1103/PhysRevC.76.027301
2006FR13 Phys.Rev. C 74, 034313 (2006) J.Fridmann, I.Wiedenhover, A.Gade, L.T.Baby, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, E.Diffenderfer, D.-C.Dinca, T.Glasmacher, P.G.Hansen, K.W.Kemper, J.L.Lecouey, W.F.Mueller, E.Rodriguez-Vieitez, J.R.Terry, J.A.Tostevin, K.Yoneda, H.Zwahlen Shell structure at N = 28 near the dripline: Spectroscopy of 42Si, 43P, and 44S NUCLEAR REACTIONS 9Be(44S, X)42Si/43P, E=98.6 MeV/nucleon; 9Be(46Ar, X)44S, E=98.1 MeV/nucleon; measured Eγ, Iγ, particle spectra, (particle)γ-coin; deduced one- and two-proton knockout σ. 43P deduced transition. 42Si, 43P, 44S deduced ground-state configurations, shell closure features. Shell model, diffractive effects in knockout reactions.
doi: 10.1103/PhysRevC.74.034313
2006OB03 Phys.Rev. C 73, 044605 (2006) A.Obertelli, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, P.D.Cottle, A.D.Davies, D.-C.Dinca, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, J.-L.Lecouey, W.F.Mueller, R.R.Reynolds, B.T.Roeder, J.R.Terry, J.A.Tostevin, K.Yoneda, H.Zwahlen Population of bound excited states in intermediate-energy fragmentation reactions NUCLEAR REACTIONS 9Be(24Mg, X), (25Al, X), (34Ar, X)18Ne/21Na, E ≈ 90-110 MeV/nucleon; 9Be(26Si, X)18Ne/24Si, E ≈ 109 MeV/nucleon; 9Be(28Mg, X)26Ne, E ≈ 82 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin; deduced relative population of excited states, reaction mechanism features.
doi: 10.1103/PhysRevC.73.044605
2006YO05 Phys.Rev. C 74, 021303 (2006) K.Yoneda, A.Obertelli, A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, A.D.Davies, D.-C.Dinca, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, J.-L.Lecouey, W.F.Mueller, R.R.Reynolds, B.T.Roeder, J.R.Terry, J.A.Tostevin, H.Zwahlen Two-neutron knockout from neutron-deficient 34Ar, 30S, and 26Si NUCLEAR REACTIONS 9Be(34Ar, 32ArX), (30S, 28SX), (26Si, 24SiX), E ≈ 110 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, parallel momentum distributions, yields following two-neutron knockout; deduced inclusive σ, reaction mechanism features. 24Si, 28S, 32Ar deduced levels, J, π.
doi: 10.1103/PhysRevC.74.021303
2005FR19 Nature(London) 435, 922 (2005) J.Fridmann, I.Wiedenhover, A.Gade, L.T.Baby, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, E.Diffenderfer, D.-C.Dinca, T.Glasmacher, P.G.Hansen, K.W.Kemper, J.L.Lecouey, W.F.Mueller, H.Olliver, E.Rodriguez-Vieitez, J.R.Terry, J.A.Tostevin, K.Yoneda 'Magic' nucleus 42Si NUCLEAR REACTIONS Be(44S, X)43P/42Si, E=98.6 MeV/nucleon; Be(46Ar, X)44S, E=98.1 MeV/nucleon; measured particle spectra, Eγ, Iγ, (particle)γ-coin; deduced σ. 43P deduced transition. 42Si, 43P, 44S deduced ground-state configurations, shell closure features.
doi: 10.1038/nature03619
2005RI11 Phys.Rev. C 72, 024311 (2005) L.A.Riley, M.A.Abdelqader, D.Bazin, M.J.Bojazi, B.A.Brown, C.M.Campbell, J.A.Church, P.D.Cottle, D.-C.Dinca, J.Enders, A.Gade, T.Glasmacher, M.Honma, S.Horibe, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, T.Otsuka, B.C.Perry, B.T.Roeder, B.M.Sherrill, T.P.Spencer, J.R.Terry Thick-target inverse-kinematics proton scattering from 46Ar and the N = 28 shell below 48Ca NUCLEAR REACTIONS 1H, C(46Ar, 46Ar'), E ≈ 68 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 46Ar deduced levels, J, π, B(E2), deformation lengths. Optical model analysis. NUCLEAR STRUCTURE 46Ar, 48Ca, 50Ti, 52Cr, 54Fe; calculated B(E2), ratio of neutron-to-proton transition matrix elements.
doi: 10.1103/PhysRevC.72.024311
2004TO06 Phys.Rev. C 69, 021301 (2004) B.G.Todd-Rutel, J.Piekarewicz, P.D.Cottle Spin-orbit splitting in low-j neutron orbits and proton densities in the nuclear interior NUCLEAR STRUCTURE 46Ar, 48Ca, 206Hg, 208Pb; calculated spin-orbit splitting for neutron orbits, dependence on proton density. Relativistic mean-field approach.
doi: 10.1103/PhysRevC.69.021301
2003RI08 Phys.Rev. C 68, 044309 (2003) L.A.Riley, P.D.Cottle, M.Brown-Hayes, W.T.Cluff, J.D.Fox, N.Keeley, F.W.Letson, R.A.Kaye, K.W.Kemper, M.T.McEllistrem, S.L.Tabor, J.M.Thompson, D.Walker Lifetime of the 2+1 state and densities for the 0+g.s → 2+1 transition in 18Ne NUCLEAR REACTIONS 3He(16O, n), E=38 MeV; measured Eγ, Iγ, (neutron)γ-coin, DSA. 18Ne deduced level T1/2, B(E2). Comparison with previous results.
doi: 10.1103/PhysRevC.68.044309
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
2002CO25 Phys.Rev. C 66, 061301 (2002) Evolution of shell closures in neutron-rich Z=10-20 nuclei NUCLEAR STRUCTURE Z=10-20; analyzed two-neutron separation energies, level energies, B(E2) for neutron-rich nuclides; deduced shell closure features.
doi: 10.1103/PhysRevC.66.061301
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
2001CO04 Nucl.Phys. A682, 124c (2001) Proton and Neutron Matrix Elements for Nuclear Transitions in Exotic Nuclei
doi: 10.1016/S0375-9474(00)00630-8
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
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
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
2000RI12 Phys.Rev. C62, 021301 (2000) L.A.Riley, P.D.Cottle, M.Fauerbach, V.S.Griffin, B.N.Guy, K.W.Kemper, G.S.Rajbaidya, O.J.Tekyi-Mensah Conversion Electron-γ Coincidences and Intrinsic Reflection Asymmetry in 219Ra NUCLEAR REACTIONS 208Pb(14C, 3n), E=68 MeV; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-coin. 219Ra deduced high-spin levels, J, π, ICC, configurations.
doi: 10.1103/PhysRevC.62.021301
2000RI15 Phys.Rev. C62, 034306 (2000) L.A.Riley, P.D.Cottle, M.Fauerbach, T.Glasmacher, K.W.Kemper, B.V.Pritychenko, H.Scheit B(E2; 0g.s.+ → 21+) in 18Ne and Isospin Purity in A = 18 Nuclei NUCLEAR REACTIONS 197Au(18Ne, 18Ne'), E=60 MeV/nucleon; 197Au(18O, 18O'), E=46 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 18Ne deduced excitation B(E2). Coupled channels calculations. NUCLEAR STRUCTURE A=18; analyzed B(E2), related data; deduced isospin purity.
doi: 10.1103/PhysRevC.62.034306
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
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
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
1999MA63 Phys.Rev. C60, 034615 (1999) F.Marechal, T.Suomijarvi, Y.Blumenfeld, A.Azhari, E.Bauge, D.Bazin, J.A.Brown, P.D.Cottle, J.P.Delaroche, M.Fauerbach, M.Girod, T.Glasmacher, S.E.Hirzebruch, J.K.Jewell, J.H.Kelley, K.W.Kemper, P.F.Mantica, D.J.Morrissey, L.A.Riley, J.A.Scarpaci, H.Scheit, M.Steiner Proton Scattering by Short Lived Sulfur Isotopes NUCLEAR REACTIONS 1H(40S, 40S'), E=30 MeV/nucleon; measured recoil proton spectra, σ(θ). 40S deduced excited levels, deformation. 32,34,36,38,40S(p, p'), E ≈ 30 MeV; calculated σ(E, θ). NUCLEAR STRUCTURE 32,34,36,38,40S; calculated neutron, proton densities, transition densities, deformation. Microscopic approach.
doi: 10.1103/PhysRevC.60.034615
1999MA89 Phys.Rev. C60, 064623 (1999) F.Marechal, T.Suomijarvi, Y.Blumenfeld, A.Azhari, D.Bazin, J.A.Brown, P.D.Cottle, M.Fauerbach, T.Glasmacher, S.E.Hirzebruch, J.K.Jewell, J.H.Kelley, K.W.Kemper, P.F.Mantica, D.J.Morrissey, L.A.Riley, J.A.Scarpaci, H.Scheit, M.Steiner Proton Scattering from the Unstable Neutron-Rich Nucleus 43Ar NUCLEAR REACTIONS 1H(43Ar, 43Ar'), E=33 MeV/nucleon; measured σ(E, θ). 43Ar level deduced possible J, π, deformation. Secondary beam from 48Ca fragmentation. Comparison with neighboring isotopes. DWBA calculations.
doi: 10.1103/PhysRevC.60.064623
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
1998CO23 Phys.Rev. C58, 1500 (1998) Octupole States in Deformed Actinide Nuclei with the Interacting Boson Approximation NUCLEAR STRUCTURE 230Th, 234,236,238U, 240Pu, 246Cm, 250Cf; calculated levels, J, π, B(E1), B(E3), octupole states strength distributions; deduced parameters. Interacting boson approximation.
doi: 10.1103/PhysRevC.58.1500
1998CO35 Phys.Rev. C58, 3761 (1998) Persistence of the N = 28 Shell Closure in Neutron-Rich Nuclei NUCLEAR STRUCTURE 22Mg, 24Si, 36,44S, 38,46Ar, 40,48Ca; analyzed 2+ levels energies, transitions B(E2); deduced no weakening of N=28 shell closure.
doi: 10.1103/PhysRevC.58.3761
1998FA09 Phys.Rev. C58, 826 (1998) M.Fauerbach, L.A.Riley, P.D.Cottle, R.A.Kaye, K.W.Kemper Weak Coupling and Single-Particle Structure at High Spin in 143Nd NUCLEAR REACTIONS 130Te(18O, 5n), E=85 MeV; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-coin. 143Nd deduced high-spin levels, J, π, ICC, configuration. Weak coupling model.
doi: 10.1103/PhysRevC.58.826
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
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
1997JE06 Phys.Rev. C56, 2440 (1997) J.K.Jewell, P.D.Cottle, K.W.Kemper, L.A.Riley Octupole States in 196Pt(p, p'γ) NUCLEAR REACTIONS 196Pt(p, p'γ), E=12.7 MeV; measured Eγ, Iγ, Ep, Ip, pγ-coin. 196Pt deduced levels, J, π, possible octupole, mixed symmetry states.
doi: 10.1103/PhysRevC.56.2440
1997KE07 Phys.Rev. C56, R1206 (1997) J.H.Kelley, T.Suomijarvi, S.E.Hirzebruch, A.Azhari, D.Bazin, Y.Blumenfeld, J.A.Brown, P.D.Cottle, S.Danczyk, M.Fauerbach, T.Glasmacher, J.K.Jewell, K.W.Kemper, F.Marechal, D.J.Morrissey, S.Ottini, J.A.Scarpaci, P.Thirolf Proton Scattering on the Unstable 38S Nucleus: Isovector contribution to the 21+ State NUCLEAR REACTIONS 1H(38S, 38S'), (38S, 38S), E=39 MeV/nucleon; measured σ(θ). 38S level deduced, β2 isovector contribution. Radioactive beam, CH2 target.
doi: 10.1103/PhysRevC.56.R1206
1997ME24 Nucl.Instrum.Methods Phys.Res. A385, 112 (1997) M.P.Metlay, L.A.Riley, P.D.Cottle, J.K.Jewell, K.W.Kemper Zero Degree Detector for Conversion-Electrons from a Heavy-Ion-Induced Reaction NUCLEAR REACTIONS 124Sn(35Cl, 4n), E=145 MeV; measured Eγ, Iγ, E(ce), I(ce). 155Ho deduced levels, conversion coefficients, rotational band features. Zero-degree mini-orange spectrometer.
doi: 10.1016/S0168-9002(96)00792-9
1997SU05 Nucl.Phys. A616, 295c (1997) T.Suomijarvi, J.H.Kelley, S.E.Hirzebruch, A.Azhari, D.Bazin, Y.Blumenfeld, J.A.Brown, P.D.Cottle, S.Danczyk, M.Fauerbach, T.Glasmacher, J.K.Jewell, K.W.Kemper, F.Marechal, D.J.Morrissey, S.Ottini, J.A.Scarpaci, P.Thirolf Elastic and Inelastic Scattering of Protons on 38S in Inverse Kinematics NUCLEAR REACTIONS 1H(38S, 38S), (38S, 38S'), E=39 MeV/nucleon; 1H(40Ar, 40Ar), E=40 MeV/nucleon; measured spectra, σ(θ). 38S deduced 2+ state, β2. Inverse kinematics, recoil protons detected by Si strip telescopes, thin CH2 target.
doi: 10.1016/S0375-9474(97)00100-0
1997SU27 Acta Phys.Hung.N.S. 6, 177 (1997) T.Suomijarvi, J.H.Kelley, S.E.Hirzebruch, A.Azhari, D.Bazin, Y.Blumenfeld, J.A.Brown, P.D.Cottle, S.Danczik, M.Fauerbach, T.Glasmacher, J.K.Jewell, K.W.Kemper, F.Marechal, D.J.Morrissey, S.Ottini, J.A.Scarpaci, P.Thirolf Inelastic Proton Scattering on Neutron-Rich Sulphur Isotopes NUCLEAR REACTIONS 1H(38S, 38S'), E=39 MeV/nucleon; measured proton σ(E, θ). 38S deduced 2+ level deformation, isovector contribution. Secondary beam from 40Ar fragmentation.
1997ZA01 Phys.Rev. C55, R1007 (1997) N.V.Zamfir, P.D.Cottle, R.F.Casten, S.Deylitz, A.Gollwitzer, G.Graw, R.Hertenberger, B.Valnion, G.Cata-Danil, J.-Y.Zhang, W.T.Chou Octupole Fragmentation and the Structure of 134Ba NUCLEAR REACTIONS 134Ba(p, p'), E=22 MeV; measured relative σ(θ). 134Ba levels deduced B(E3), octupole fragmentation. Interacting boson model, generalized collective model.
doi: 10.1103/PhysRevC.55.R1007
1996CO05 Phys.Rev. C53, 2017 (1996) Comment on ' Double-Octupole Excitations in the N = 84 Nuclei 144Nd and 146Sm ' NUCLEAR STRUCTURE 144Nd, 146Sm; analyzed (p, p'), (e, e') data analyses; deduced double-octupole excitation related features, possible experiments.
doi: 10.1103/PhysRevC.53.2017
1996CO08 Phys.Rev. C54, 176 (1996) Systematic Behavior of Octupole States in Deformed Rare Earth Nuclei and the Interacting Boson Approximation NUCLEAR STRUCTURE 154Sm, 156,158Gd, 160,162,164Dy, 168Er, 172Yb; calculated levels, B(E3). Interacting boson approximation.
doi: 10.1103/PhysRevC.54.176
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
1995FO09 Z.Phys. A351, 5 (1995) J.D.Fox, K.W.Kemper, P.D.Cottle Energy Spectrum of Anomalous Positrons
doi: 10.1007/BF01292777
1995JE03 Phys.Rev. C52, 1295 (1995) J.K.Jewell, O.J.Tekyi-Mensah, P.D.Cottle, J.Doring, P.V.Green, J.W.Holcomb, G.D.Johns, T.D.Johnson, K.W.Kemper, P.L.Kerr, S.L.Tabor, P.C.Womble, V.A.Wood Negative-Parity States Near the Yrast Line in 144Nd NUCLEAR REACTIONS 130Te(18O, 4n), E=85 MeV; measured Eγ, Iγ, DCO ratios. 144Nd deduced levels, J, π, configurations. Hyperpure detectors.
doi: 10.1103/PhysRevC.52.1295
1995ME13 Phys.Rev. C52, 1801 (1995) M.P.Metlay, J.L.Johnson, J.D.Canterbury, P.D.Cottle, C.W.Nestor, Jr., S.Raman, V.G.Zelevinsky Are Octupole Vibrations Harmonic ( Question ) NUCLEAR STRUCTURE A ≥ 60; analyzed B(E3) data; deduced octupole vibrations anharmonicity evidence. Data from (p, p'), (d, d'), (α, α') reactions.
doi: 10.1103/PhysRevC.52.1801
1994CO20 Z.Phys. A349, 115 (1994) Can Strong Electric Dipole Transitions in Deformed Rare Earth Nuclei be Explained by the Macroscopic Behavior of the Octupole Phonon ( Question ) NUCLEAR STRUCTURE 154Sm, 156,158,160Gd, 160,162,164Dy, 166,168,170Er, 172,174Yb; analyzed electric dipole transition, axially symmetric octupole distortion rms values data; deduced small GDR admixture in low energy octupole states possibility.
doi: 10.1007/BF01291168
1994JE03 Z.Phys. A348, 69 (1994) J.K.Jewell, O.J.Tekyi-Mensah, P.D.Cottle, J.Doring, P.V.Green, J.W.Holcomb, G.D.Johns, J.L.Johnson, T.D.Johnson, K.W.Kemper, P.L.Kerr, S.L.Tabor, P.C.Womble, V.A.Wood Possible π(h311/2g-17/2) States in 144Nd NUCLEAR REACTIONS 130Te(18O, 4n), E=85 MeV; measured γγ-coin, Iγ(θ), DCO ratios. 144Nd deduced high-spin levels, J, π, configuration.
doi: 10.1007/BF01291659
1994TE05 Phys.Rev. C50, R1759 (1994) O.J.Tekyi-Mensah, P.D.Cottle, J.Doring, P.V.Green, J.W.Holcomb, G.D.Johns, J.L.Johnson, T.D.Johnson, K.W.Kemper, P.L.Kerr, S.L.Tabor, P.C.Womble, V.A.Wood Weak Coupling in 143Nd NUCLEAR REACTIONS 130Te(18O, 5n), E=85 MeV; measured γγ-coin, DCO ratios. 143Nd deduced high-spin levels, J, π. Weak coupling model.
doi: 10.1103/PhysRevC.50.R1759
1994ZI01 Phys.Rev. C50, 716 (1994) R.S.Zighelboim, S.G.Buccino, F.E.Durham, J.Doring, P.D.Cottle, J.W.Holcomb, T.D.Johnson, S.L.Tabor, P.C.Womble Negative-Parity Structures and Lifetime Measurements in 71As NUCLEAR REACTIONS 58Ni(19F, 2pα), E=62 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DCO ratios, DSA. 71As deduced high-spin levels J, π, B(M1), B(E2), shape features, T1/2, band structure. Total Routhian surface calculations.
doi: 10.1103/PhysRevC.50.716
1993CO03 Phys.Rev. C47, 1048 (1993) P.D.Cottle, K.W.Kemper, M.A.Kennedy, L.F.Fifield, T.R.Ophel 5- ' Octupole ' States in 146, 148Nd and 148Sm via Proton Scattering NUCLEAR REACTIONS 146,148Nd(p, p'), 148Sm(p, p'), E=26 MeV; measured spectra, σ(θ). 146,148Nd, 148Sm deduced level configurations.
doi: 10.1103/PhysRevC.47.1048
1993CO06 Phys.Rev. C47, 1529 (1993) E1 Transitions from Octupole Vibration States NUCLEAR STRUCTURE 64,66,68Zn, 70Ge, 74,76Se, 78,80Kr, 88Sr, 100,92Mo, 92Zr, 106Pd, 124Te, 140Ce, 192,194Pt, 206Pb, 238Pu; analyzed transition, B(λ) data; deduced rms electric dipole moments. Droplet model.
doi: 10.1103/PhysRevC.47.1529
1993CO09 Phys.Rev. C48, 136 (1993) P.D.Cottle, T.Glasmacher, J.L.Johnson, K.W.Kemper Electron Conversion Coefficients in 127Ba and 130La NUCLEAR REACTIONS 118Sn(12C, 3n), E=52 MeV; 115In(18O, 3n), E=65 MeV; measured Eγ, Iγ, I(ce). 127Ba, 130La deduced ICC, no evidence for octupole deformation.
doi: 10.1103/PhysRevC.48.136
1993DI05 Phys.Rev. C48, 2603 (1993) D.P.DiPrete, T.Belgya, E.M.Baum, E.L.Johnson, S.W.Yates, P.D.Cottle, M.A.Kennedy, K.A.Stuckey Search for High-Lying Octupole States and Octupole Fragmentation in 196Pt with the (n, n'γ) Reaction NUCLEAR REACTIONS 196Pt(n, n'γ), E=2-3.5 MeV; measured Eγ, Iγ(θ), DSA. 196Pt deduced levels, J, π, branching ratios, T1/2, B(λ), octupole features. Enriched target, hyperpure Ge detectors.
doi: 10.1103/PhysRevC.48.2603
1993GL02 Z.Phys. A345, 119 (1993) T.Glasmacher, D.D.Caussyn, P.D.Cottle, T.D.Johnson, K.W.Kemper, M.A.Kennedy, P.C.Womble Role of h11/2 Protons in 144Pm NUCLEAR REACTIONS 130Te(19F, 5n), E=85 MeV; measured γγ(t), γ(θ), DCO ratios, I(ce). 144Pm deduced levels, J, π, ICC, configuration.
doi: 10.1007/BF01290346
1993GL03 Phys.Rev. C47, 2586 (1993) T.Glasmacher, D.D.Caussyn, P.D.Cottle, J.W.Holcomb, T.D.Johnson, K.W.Kemper, M.A.Kennedy, P.C.Womble Evidence for Single Particle Structure of High Spin States in 144Pm and 145Pm NUCLEAR REACTIONS 130Te(19F, 5n), (19F, 4n), E=85 MeV; measured γγ-coin, γγ(t), I(ce), γ(θ). 144Pm deduced levels, J, π, γ-multipolarity, δ, ICC. 145Pm deduced levels, J, π, γ-multipolarity, δ. Shell model.
doi: 10.1103/PhysRevC.47.2586
1993TA23 Nucl.Instrum.Methods Phys.Res. B79, 821 (1993) S.L.Tabor, M.A.Riley, J.Doring, P.D.Cottle, R.Books, T.Glasmacher, J.W.Holcomb, J.Hutchins, G.D.Johns, T.D.Johnson, T.Petters, O.Tekyi-Mensah, P.C.Womble, L.Wright, J.X.Saladin The Pittsburgh-Flordia State Universities γ Detection Array NUCLEAR REACTIONS 106Pd(32S, X), E=145 MeV; measured Eγ, Iγ, γγ-coin. 136Pm deduced highly deformed band evidence. High resolution Ge detectors array with BGO Compton suppression shields, low resolution BGO scintillators.
doi: 10.1016/0168-583X(93)95477-M
1993ZA05 Phys.Rev. C48, 1745 (1993) N.V.Zamfir, P.D.Cottle, J.L.Johnson, R.F.Casten Octupole Fragmentation and O(6) Symmetry in Even-A Pt Isotopes NUCLEAR STRUCTURE 194Pt, 146Nd, 168Er, 192Os; calculated B(λ). 194,196,198Pt; calculated octupole fragmentation; deduced O(6) dynamical symmetry role.
doi: 10.1103/PhysRevC.48.1745
1992CO15 Phys.Rev. C45, 2733 (1992) P.D.Cottle, T.Glasmacher, K.W.Kemper Spin and Parity Measurements in 128,129La NUCLEAR REACTIONS 115In(18O, 4n), (18O, 5n), E=80-85 MeV; measured Iγ, I(ce), γ(θ). 128,129La deduced levels, J, π, δ, γ-multipolarity, ICC. Ge detectors, mini-orange spectrometer. Octupole deformation.
doi: 10.1103/PhysRevC.45.2733
1992GL03 Phys.Rev. C45, 1619 (1992) T.Glasmacher, D.D.Caussyn, P.D.Cottle, T.D.Johnson, K.W.Kemper, P.C.Womble Evidence for Weak Coupling in 145Pm NUCLEAR REACTIONS 130Te(19F, 4n), E=70-85 MeV; measured γγ-coin, Iγ(θ), Eγ, I(ce). 145Pm deduced levels, J, π, δ, B(λ). Weak coupling model. Hyperpure Ge detectors.
doi: 10.1103/PhysRevC.45.1619
1992KE07 Phys.Rev. C46, 1811 (1992) M.A.Kennedy, P.D.Cottle, K.W.Kemper Excitations of 2+1 and 3-1 States from (p, p') and Electromagnetic Measurements NUCLEAR REACTIONS 40Ar, 40,42,44Ca, 50Ti, 52Cr, 52,54,56Fe, 58,60,62Ni, 64,66,68,70Zn, 70,72,74,76Ge, 88Sr, 90,92,94Zr, 92,94,96,98,100Mo, 116,118,120,122,124Sn, 138Ba, 140Ce, 144Sm, 208Pb(p, p'), E=14.1-40 MeV; analyzed σ(θ); deduced neutron, proton matrix element ratios. Consistent procedure, coupled-channels methods, Becchetti-Greenlees optical model parameters.
doi: 10.1103/PhysRevC.46.1811
1991CA10 Phys.Rev. C43, 2098 (1991) D.D.Caussyn, S.M.Aziz, P.D.Cottle, T.Glasmacher, K.W.Kemper Conversion Electron Spectroscopy of High Spin States in 143,144Nd NUCLEAR REACTIONS 130Te(18O, 4n), (18O, 5n), E=70 MeV; measured Eγ, Iγ, I(ce). 143,144Nd levels deduced J, π, ICC. Mini-orange electron spectrometer. Weak coupling model.
doi: 10.1103/PhysRevC.43.2098
1991CO01 Phys.Rev. C43, 59 (1991) P.D.Cottle, S.M.Aziz, K.W.Kemper, M.L.Owens, E.L.Reber, J.D.Brown, E.R.Jacobsen, Y.Y.Sharon Proton Inelastic Scattering on the Transitional Nucleus 144Nd NUCLEAR REACTIONS 144Nd(p, p'), E=35 MeV; measured σ(θ). 144Nd deduced levels, J, π, deformation parameters, B(λ). DWBA, coupled channels analyses, octupole, mixed symmetry modes.
doi: 10.1103/PhysRevC.43.59
1991CO06 Phys.Rev. C43, 1572 (1991) Study of the Systematic Behavior of β2 Values with the P-Factor NUCLEAR STRUCTURE A=80-230; analyzed region by region data; deduced β2 systematics.
doi: 10.1103/PhysRevC.43.1572
1991CO08 Z.Phys. A338, 281 (1991) Possible Evidence for Static Octupole Deformation in 128,129Ba NUCLEAR STRUCTURE 128,129Ba; analyzed level data; deduced static octupole deformation evidence.
doi: 10.1007/BF01288190
1991CO15 Phys.Rev. C44, 1668 (1991) P.D.Cottle, M.A.Kennedy, K.W.Kemper, J.D.Brown, E.R.Jacobsen, Y.Y.Sharon, E.M.Leitch, H.Mabuchi, Z.Q.Mao, T.Slivka, E.J.Greene Test of Octupole Coupled 5- State in 146Nd Using Proton Inelastic Scattering NUCLEAR REACTIONS 146Nd(p, p'), E=35 MeV; measured σ(θ). 146Nd levels deduced, J, π, deformation parameter. Octupole coupled states, coupled-channels method.
doi: 10.1103/PhysRevC.44.1668
1991CO16 Phys.Rev. C44, 1901 (1991) Identification of Nuclear Cluster-Molecular States NUCLEAR STRUCTURE A=14-19; analyzed B(λ), E1 transition data. 14N deduced molecular, nonmolecular cluster states coexistence possibility.
doi: 10.1103/PhysRevC.44.1901
1991HO01 Phys.Rev. C43, 470 (1991) J.W.Holcomb, T.D.Johnson, P.C.Womble, P.D.Cottle, S.L.Tabor, F.E.Durham, S.G.Buccino Deformation and Signature Splitting in 74Br NUCLEAR REACTIONS 48Ti(32S, npα), E=105 MeV; 58Ni(19F, n2p), E=62 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios, DSA, recoil distance. 74Br deduced levels, J, π, T1/2, B(λ), deformation. Hartree-Fock-Bogolyubov cranking model calculations.
doi: 10.1103/PhysRevC.43.470
1990AZ01 Phys.Rev. C41, 1268 (1990) S.M.Aziz, P.D.Cottle, K.W.Kemper, M.L.Owens, S.L.Tabor Three- and Five-Quasiparticle High-Spin States in 143Nd NUCLEAR REACTIONS 130Te(18O, 5n), E=75 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 143Nd deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.41.1268
1990AZ02 Phys.Rev. C41, 2432 (1990) S.M.Aziz, P.D.Cottle, K.W.Kemper ' Missing ' (19/2)+ States in 141Pr and 143Pm NUCLEAR STRUCTURE 141Pr, 143Pm; calculated levels, single particle transfer spectroscopic factors. Zero-order weak coupling calculations.
doi: 10.1103/PhysRevC.41.2432
1990BU07 Phys.Rev. C41, 2056 (1990) S.G.Buccino, F.E.Durham, J.W.Holcomb, T.D.Johnson, P.D.Cottle, S.L.Tabor Yrast Transition Strengths in 76Br NUCLEAR REACTIONS 48Ti(32S, n3p), E=106 MeV; measured Eγ, Iγ, Doppler broadening. 76Br deduced levels, J, π, T1/2, B(E2).
doi: 10.1103/PhysRevC.41.2056
1990CO01 Phys.Rev. C41, 259 (1990) Low-Energy Octupole Modes in the A = 24-54 Region NUCLEAR STRUCTURE 24,26Mg, 28,30Si, 32S, 40Ar, 40,42,44,48Ca, 46,48,50Ti, 52Cr, 54Fe; analyzed (p, p') data; deduced low energy octupole mode features.
doi: 10.1103/PhysRevC.41.259
1990CO03 Phys.Rev. C41, 517 (1990) Possible Static Octuple Deformation at High Angular Momentum in 78Kr and 126,128Ba NUCLEAR STRUCTURE 78Kr, 124,126,128Ba; A=145, 222; analyzed level data; deduced octupole deformation features.
doi: 10.1103/PhysRevC.41.517
1990CO20 Phys.Rev. C42, 762 (1990) P.D.Cottle, S.M.Aziz, K.W.Kemper, M.L.Owens, E.L.Reber, J.D.Brown, E.R.Jacobsen, Y.Y.Sharon Non-Octupole Origin of the 5-1 State in 144Nd NUCLEAR REACTIONS 144Nd(p, p'), E=35 MeV; measured σ(E, θ). 144Nd deduced levels, J, π, deformation parameter. Coupled-channels calculations, octupole-coupled states. QDDD spectrograph.
doi: 10.1103/PhysRevC.42.762
1990CO21 Phys.Rev. C42, 1254 (1990) P.D.Cottle, J.W.Holcomb, T.D.Johnson, K.A.Stuckey, S.L.Tabor, P.C.Womble, S.G.Buccino, F.E.Durham Shape Coexistence and Octupole Vibrations in 74Se NUCLEAR REACTIONS 58Ni(19F, 3p), E=62 MeV; 48Ti(32S, 2pα), E=106 MeV; measured γγ-coin, γγ(θ), oriented nuclei, DSA. 74Se deduced levels J, π, T1/2, B(E2), band structure, shape coexistence.
doi: 10.1103/PhysRevC.42.1254
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