NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = H.R.Andrews Found 101 matches. Showing 1 to 100. [Next]1998CA26 Phys.Rev. C58, 808 (1998) J.A.Cameron, J.L.Rodriguez, J.Jonkman, G.Hackman, S.M.Mullins, C.E.Svensson, J.C.Waddington, L.Yao, T.E.Drake, M.Cromaz, J.H.DeGraaf, G.Zwartz, H.R.Andrews, G.Ball, A.Galindo-Uribarri, V.P.Janzen, D.C.Radford, D.Ward Spectroscopy of Cross-Conjugate Nuclei 46Ti - 50Cr and 47V - 49Cr Near the f7/2-Shell Band Termination NUCLEAR REACTIONS 28Si(28Si, 2p2α), (28Si, p2α), (28Si, 2pα), (28Si, n2pα), E=125 MeV; measured Eγ, Iγ, γγ-coin, DSA. 49,50Cr, 47V, 46Ti deduced high-spin levels, J, π, T1/2, B(M1), B(E2).
doi: 10.1103/PhysRevC.58.808
1996CA38 Phys.Lett. 387B, 266 (1996) J.A.Cameron, J.Jonkman, C.E.Svensson, M.Gupta, G.Hackman, D.Hyde, S.M.Mullins, J.L.Rodriguez, J.C.Waddington, A.Galindo-Uribarri, H.R.Andrews, G.C.Ball, V.P.Janzen, D.C.Radford, D.Ward, T.E.Drake, M.Cromaz, J.DeGraaf, G.Zwartz Collective Properties of 48Cr at High Spin NUCLEAR REACTIONS Si(28Si, xpyα), E=125 MeV; measured (particle)γγ-coin, DCO, DSA. 48Cr deduced high-spin levels, J, π, B(λ).
doi: 10.1016/0370-2693(96)01039-8
1996GA17 Phys.Rev. C54, 1057 (1996) A.Galindo-Uribarri, D.Ward, H.R.Andrews, G.C.Ball, D.C.Radford, V.P.Janzen, S.M.Mullins, J.C.Waddington, A.V.Afanasjev, I.Ragnarsson Lifetime Measurements of Strongly Deformed Rotational Bands in 133Pm NUCLEAR REACTIONS 96Ru(40Ca, X), E=176 MeV; measured γγ-coin, DSA. 133Pm deduced high-spin levels, J, π, δ, B(λ), band structure, T1/2, configuration, deformation parameters. Models comparison.
doi: 10.1103/PhysRevC.54.1057
1996PA13 Phys.Rev. C53, 2520 (1996) E.S.Paul, H.R.Andrews, T.E.Drake, J.DeGraaf, V.P.Janzen, S.Pilotte, D.C.Radford, D.Ward Yrast Band in Neutron-Deficient 115Xe NUCLEAR REACTIONS 60Ni(58Ni, n2p), E=250 MeV; measured γγ-coin. 115Xe deduced high-spin levels, J, π.
doi: 10.1103/PhysRevC.53.2520
1996WA11 Nucl.Phys. A600, 88 (1996) D.Ward, H.R.Andrews, G.C.Ball, A.Galindo-Uribarri, V.P.Janzen, T.Nakatsukasa, D.C.Radford, T.E.Drake, J.DeGraaf, S.Pilotte, Y.R.Shimizu Rotational Bands in 238U NUCLEAR REACTIONS 238U(209Bi, 209Bi'), E=1.13, 1.33 GeV; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 238U deduced levels, J, π, K, band structure. Compton suppressed hyperpure Ge detector array, 4π-BGO ball. Cranked RPA calculation.
doi: 10.1016/0375-9474(95)00490-4
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
1995MU11 Phys.Rev. C52, 99 (1995) S.M.Mullins, S.Flibotte, G.Hackman, J.L.Rodriguez, J.C.Waddington, A.V.Afanasjev, I.Ragnarsson, H.R.Andrews, A.Galindo-Uribarri, V.P.Janzen, D.C.Radford, D.Ward, M.Cromaz, J.DeGraaf, T.E.Drake, S.Pilotte Strong Population of a Superdeformed Band in 142Eu NUCLEAR REACTIONS 120Sn(27Al, 5n), E=152 MeV; measured γγ-coin, Eγ, Iγ. 142Eu deduced levels, J, π, superdeformed band.
doi: 10.1103/PhysRevC.52.99
1995PA30 Phys.Rev. C52, 1691 (1995) E.S.Paul, H.R.Andrews, T.E.Drake, J.DeGraaf, V.P.Janzen, S.Pilotte, D.C.Radford, D.Ward High-Spin States in Doubly Odd 114I NUCLEAR REACTIONS 60Ni(58Ni, n3p), E=250 MeV; measured Eγ, Iγ, γγ(θ). 114I deduced high-spin levels, J, π, configuration. Quasiparticle structures. Cranked Woods-Saxon calculations.
doi: 10.1103/PhysRevC.52.1691
1994CL01 Phys.Rev. C50, 84 (1994) R.M.Clark, R.Wadsworth, H.R.Andrews, C.W.Beausang, M.Bergstrom, S.Clarke, E.Dragulescu, T.Drake, P.J.Dagnall, A.Galindo-Uribarri, G.Hackman, K.Hauschild, I.M.Hibbert, V.P.Janzen, P.M.Jones, R.W.MacLeod, S.M.Mullins, E.S.Paul, D.C.Radford, A.Semple, J.F.Sharpey-Schafer, J.Simpson, D.Ward, G.Zwartz Recoil Distance Lifetime Measurements of States in the Oblate Dipole Bands of 197,198Pb NUCLEAR REACTIONS 176Yb(26Mg, xn), E=125 MeV; 186W(18O, xn), E=113 MeV; measured γγ-coin, DSA, Eγ. 197,198Pb deduced high-spin levels B(λ), T1/2, quadrupole moments, γ-branching ratio. Donau-Frauendorf model, tilted axis cranking model. Enriched targets, Ge detection, BGO suppression shields.
doi: 10.1103/PhysRevC.50.84
1994MU16 Phys.Rev. C50, R2261 (1994) S.M.Mullins, N.C.Schmeing, S.Flibotte, G.Hackman, J.L.Rodriguez, J.C.Waddington, L.Yao, H.R.Andrews, A.Galindo-Uribarri, V.P.Janzen, D.C.Radford, D.Ward, J.DeGraaf, T.E.Drake, S.Pilotte, E.S.Paul Proton Configurations and Pairing Correlations at the N = 80 Superdeformed Shell Closure: Study of 145Tb NUCLEAR REACTIONS 112Sn(37Cl, 2n2p), E=187 MeV; 118Sn(31P, 4n), E=160 MeV; measured γγ(charged particle)-.γγ-coin, Eγ, Iγ. 145Tb deduced superdeformed rotational band, high-spin levels, J, π. Cranked Woods-Saxon-Strutinsky calculations. Hyperpure Ge detectors, BGO suppression shields, BGO total energy, multiplicity filter, CsI detectors coupled to photodiodes, enriched targets.
doi: 10.1103/PhysRevC.50.R2261
1994PA21 Phys.Rev. C50, R534 (1994) E.S.Paul, H.R.Andrews, T.E.Drake, J.DeGraaf, V.P.Janzen, S.Pilotte, D.C.Radford, D.Ward Evidence for Octupole Correlations at High Spins in Neutron-Deficient 110Te NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=250 MeV; measured Eγ, Iγ, γγ-coin. 110Te deduced high-spin levels, J, π, γ-multipolarity, B(λ), ratios.
doi: 10.1103/PhysRevC.50.R534
1994PA22 Phys.Rev. C50, 698 (1994) E.S.Paul, C.W.Beausang, S.A.Forbes, S.J.Gale, A.N.James, P.M.Jones, M.J.Joyce, H.R.Andrews, V.P.Janzen, D.C.Radford, D.Ward, R.M.Clark, K.Hauschild, I.M.Hibbert, R.Wadsworth, R.A.Cunningham, J.Simpson, T.Davinson, R.D.Page, P.J.Sellin, P.J.Woods, D.B.Fossan, D.R.LaFosse, H.Schnare, M.P.Waring, A.Gizon, J.Gizon, T.E.Drake, J.DeGraaf, S.Pilotte Deformed Intruder Band in 112Te: First evidence for rotational behavior in the tellurium isotopes NUCLEAR REACTIONS 58,60Ni(58Ni, 4p), (58Ni, 2pα), E=240, 250 MeV; measured Eγ, Iγ, Iγ(θ), γγ-, γ(recoil)-coin. 110,112Te deduced high-spin levels J, π, band structure. Cranked Woods-Saxon calculations.
doi: 10.1103/PhysRevC.50.698
1994PA23 Phys.Rev. C50, 741 (1994) E.S.Paul, H.R.Andrews, V.P.Janzen, D.C.Radford, D.Ward, T.E.Drake, J.DeGraaf, S.Pilotte, I.Ragnarsson Multiple Band Structures at High Angular Momentum in 115I: Towards unfavored band termination NUCLEAR REACTIONS 60Ni(58Ni, 3p), E=250 MeV; measured Eγ, Iγ, γγ(θ). 115I deduced high-spin levels, J, π, rotational bands. Band termination Nilsson-Strutinski calculations.
doi: 10.1103/PhysRevC.50.741
1994WA16 Phys.Rev. C50, 483 (1994) R.Wadsworth, H.R.Andrews, C.W.Beausang, R.M.Clark, J.DeGraaf, D.B.Fossan, A.Galindo-Uribarri, I.M.Hibbert, K.Hauschild, J.R.Hughes, V.P.Janzen, D.R.LaFosse, S.M.Mullins, E.S.Paul, L.Persson, S.Pilotte, D.C.Radford, H.Schnare, P.Vaska, D.Ward, J.N.Wilson, I.Ragnarsson Rotational Structures in 106Sn: A new form of band termination ( Question ) NUCLEAR REACTIONS 54Fe(58Ni, 2pα), E=243 MeV; measured Eγ, Iγ, γγ-coin. 106Sn deduced high-spin levels, J, π, band structure. Cranked Nilsson model calculation.
doi: 10.1103/PhysRevC.50.483
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
1993GA10 Phys.Rev.Lett. 71, 231 (1993) A.Galindo-Uribarri, H.R.Andrews, G.C.Ball, T.E.Drake, V.P.Janzen, J.A.Kuehner, S.M.Mullins, L.Persson, D.Prevost, D.C.Radford, J.C.Waddington, D.Ward, R.Wyss First Evidence for the Hyperdeformed Nuclear Shape at High Angular Momentum NUCLEAR REACTIONS 120Sn(37Cl, xnp), E=187 MeV; measured γγ-, γγ(particle)-coin. 152,153Dy deduced levels, γ-multipolarity, band structure, moment of inertia, hyperdeformation evidence.
doi: 10.1103/PhysRevLett.71.231
1993HA19 Nucl.Phys. A561, 251 (1993) B.Haas, V.P.Janzen, D.Ward, H.R.Andrews, D.C.Radford, D.Prevost, J.A.Kuehner, A.Omar, J.C.Waddington, T.E.Drake, A.Galindo-Uribarri, G.Zwartz, S.Flibotte, P.Taras, I.Ragnarsson Studies of Superdeformation in the Gadolinium Nuclei NUCLEAR REACTIONS 120,122,124Sn(28Si, xn), (29Si, xn), (30Si, xn), E=155 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 145,146,147,148,149Gd deduced, γ-multipliplicities, J, π, levels, superdeformed bands. Compton-suppressed hyperpure Ge detector array, 4π-bismuth germanate ball. Cranked shell-model-Strutinsky calculations.
doi: 10.1016/0375-9474(93)90153-O
1993JA04 Phys.Rev.Lett. 70, 1065 (1993) V.P.Janzen, H.R.Andrews, B.Haas, D.C.Radford, D.Ward, A.Omar, D.Prevost, M.Sawicki, P.Unrau, J.C.Waddington, T.E.Drake, A.Galindo-Uribarri, R.Wyss The Proton h11/2 Intruder Orbital: Evidence for collectivity and a strong proton-neutron interaction NUCLEAR REACTIONS 94Mo(23Na, 2n2p), E=117 MeV; measured γγ-coin, sum spectra. 113Sb deduced levels, J, π, configuration, band structure, shape features.
doi: 10.1103/PhysRevLett.70.1065
1993MU05 Phys.Rev. C47, R2447 (1993) S.M.Mullins, A.Omar, L.Persson, D.Prevost, J.C.Waddington, H.R.Andrews, G.C.Ball, A.Galindo-Uribarri, V.P.Janzen, D.C.Radford, D.Ward, T.E.Drake, D.B.Fossan, D.LaFosse, P.Vaska, M.Waring, R.Wadsworth Perturbed Alignments within an i13/2 Neutron Intruder Band in 141Gd NUCLEAR REACTIONS 112Sn(32S, n2p), E=155 MeV; 112Sn(33S, 2n2p), E=170 MeV; measured γγ-, γγ(charged particle)-coin. 141Gd deduced levels, J, π, configuration, alignment features. Cranked shell model.
doi: 10.1103/PhysRevC.47.R2447
1993WA13 Nucl.Phys. A559, 461 (1993) R.Wadsworth, H.R.Andrews, R.M.Clark, D.B.Fossan, A.Galindo-Uribarri, J.R.Hughes, V.P.Janzen, D.R.LaFosse, S.M.Mullins, E.S.Paul, D.C.Radford, H.Schnare, P.Vaska, D.Ward, J.N.Wilson, R.Wyss Intruder Bands in 108Sn NUCLEAR REACTIONS 54Fe(58Ni, 4p), E=243 MeV; measured Eγ-Eγ correlations, DSA. 108Sn deduced levels J, π, T1/2, band structure, quadrupole moment. Comparison with total routhian surface and Woods-Saxon calculations. Enriched targets, Ge detectors, BGO suppression shields.
doi: 10.1016/0375-9474(93)90163-R
1992FL02 Phys.Rev. C45, R889 (1992) S.Flibotte, H.R.Andrews, T.E.Drake, A.Galindo-Uribarri, B.Haas, V.J.Janzen, D.Prevost, D.C.Radford, J.Rodriguez, P.Romain, J.P.Vivien, J.C.Waddington, D.Ward, G.Zwartz Entrance-Channel Effects in the Population of Superdeformed Bands in 147, 148Gd NUCLEAR REACTIONS 124Sn(29Si, xn), 122Sn(30Si, xn), E=155 MeV; 76Ge(76Ge, xn), E=319 MeV; measured Eγ, Iγ, γγ-coin. 147,148Gd deduced superdeformed bands polulation intensity. Enriched targets, Compton-suppressed hyperpure Ge array.
doi: 10.1103/PhysRevC.45.R889
1992RA17 Nucl.Phys. A545, 665 (1992) D.C.Radford, H.R.Andrews, G.C.Ball, D.Horn, D.Ward, F.Banville, S.Flibotte, S.Monaro, S.Pilotte, P.Taras, J.K.Johansson, D.Tucker, J.C.Waddington, M.A.Riley, G.B.Hagemann, I.Hamamoto Multiple Band Structure and Band Termination in 157Ho Towards Complete High-Spin Spectroscopy NUCLEAR REACTIONS 124Sn(37Cl, 4n), E=155, 165 MeV; measured Eγ, γγ-coin, Iγ(θ, φ). 157Ho deduced levels, Iγ, J, π, rotational band characteristics, band-mixing interaction strengths.
doi: 10.1016/0375-9474(92)90298-X
1992VI03 Phys.Lett. 278B, 407 (1992) J.P.Vivien, D.Balouka, B.Haas, H.R.Andrews, D.C.Radford, D.Ward, V.P.Janzen, D.Prevost, J.C.Waddington, S.Flibotte, S.Pilotte, P.Taras, A.Galindo-Uribarri, H.Kluge, S.Aberg Radiation Originating from Unresolved Superdeformed States in 149Gd NUCLEAR REACTIONS 124Sn(30Si, xn), E=155 MeV; measured correlated γγ-coincidence matrix, Iγ. 149Gd deduced unresolved superdeformed states.
doi: 10.1016/0370-2693(92)90576-P
1992WA07 Nucl.Phys. A539, 547 (1992) D.Ward, H.R.Andrews, V.P.Janzen, D.C.Radford, J.K.Johansson, D.Prevost, J.C.Waddington, A.Galindo-Uribarri, T.E.Drake Gamma-Ray Spectroscopy of 127Ba at Moderate Spins NUCLEAR REACTIONS 117Sn(13C, 3n), E=60 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 127Ba deduced levels, J, δ. Enriched targets, Compton-suppressed hyperpure Ge detector array, 4π-bismuth germanate ball. Cranked-shell model calculations, nuclear triaxial shapes.
doi: 10.1016/0375-9474(92)90293-S
1991BL15 Phys.Rev.Lett. 66, 3121 (1991) D.J.Blumenthal, C.J.Lister, P.Chowdhury, B.Crowell, P.J.Ennis, Ch.Winter, T.Drake, A.Galindo-Uribarri, G.Zwartz, H.R.Andrews, G.C.Ball, D.Radford, D.Ward, V.P.Janzen Search for Nuclear-Structure Effects in Proton Evaporation Spectra NUCLEAR REACTIONS 58Ni(29Si, n2p), (29Si, 2pα), (28Si, xnypzα), E=110 MeV; measured proton spectra, Doppler shifts, pp-, γγ-, pγ-, αp-coin; deduced channel, angular momentum dependences.
doi: 10.1103/PhysRevLett.66.3121
1991CH40 Phys.Rev.Lett. 67, 2950 (1991) P.Chowdhury, C.J.Lister, D.Vretenar, Ch.Winter, V.P.Janzen, H.R.Andrews, D.J.Blumenthal, B.Crowell, T.Drake, P.J.Ennis, A.Galindo-Uribarri, D.Horn, J.K.Johansson, A.Omar, S.Pilotte, D.Prevost, D.Radford, J.C.Waddington, D.Ward Large B(M1) Staggering at High Spins in 86Zr: Broken boson pairs in the four-quasiparticle regime NUCLEAR REACTIONS 60Ni(30Si, 2n2p), E=135 MeV; measured DSA, γγ energy correlations, γγ-coin, γγ(θ). 86Zr deduced levels, J, π, B(λ), T1/2, band structure. Interacting boson model, broken pair approximation.
doi: 10.1103/PhysRevLett.67.2950
1991FL02 Nucl.Phys. A530, 187 (1991) S.Flibotte, B.Haas, F.Banville, J.Gascon, P.Taras, H.R.Andrews, D.C.Radford, D.Ward, J.C.Waddington High-Spin States in 149Gd NUCLEAR REACTIONS 124Sn(30Si, 5n), E=150 MeV; measured Eγ, Iγ, γγ-coin, Iγ(θ), oriented nuclei. 149Gd deduced levels, J, δ. Enriched targets, Compton-suppressed hyperpure Ge detector array, 4π BGO ball. Deformed Woods-Saxon potential calculations.
doi: 10.1016/0375-9474(91)90762-U
1991FL03 Nucl.Phys. A531, 205 (1991) S.Flibotte, B.Haas, P.Taras, H.R.Andrews, D.C.Radford, D.Ward Spin Dependence of the Giant Dipole Resonance in Gd Isotopes NUCLEAR REACTIONS 124Sn(30Si, xn), E=150 MeV; measured Eγ, Iγ, γγ-coin, spin orientation, γ(θ). 148,149,150Gd deduced deformation. Enriched targets, Compton-suppressed hyperpure Ge detector array, 4π BGO ball.
doi: 10.1016/0375-9474(91)90578-T
1991WA20 Nucl.Phys. A529, 315 (1991) D.Ward, V.P.Janzen, H.R.Andrews, D.C.Radford, G.C.Ball, D.Horn, J.C.Waddington, J.K.Johansson, F.Banville, J.Gascon, S.Monaro, N.Nadon, S.Pilotte, D.Prevost, P.Taras, R.Wyss Gamma-Ray Spectroscopy of 126Ba NUCLEAR REACTIONS 96Zr(34S, 4n), E=155 MeV; 116Sn(13C, 3n), E=56 MeV; measured Eγ, Iγ, γγ-coin, Iγ-spin orientation correlation, DCO ratios. 126Ba deduced levels, J, δ. Enriched targets, Compton-suppressed hyperpure Ge detector array, 4π-bismuth germanate ball. Cranked shell model calculations, total routhian surface calculations.
doi: 10.1016/0375-9474(91)90798-B
1990HA31 Phys.Rev. C42, R1817 (1990) B.Haas, D.Ward, H.R.Andrews, G.C.Ball, T.E.Drake, S.Flibotte, A.Galindo-Uribarri, V.P.Janzen, J.K.Johansson, H.Kluge, J.Kuehner, A.Omar, S.Pilotte, D.Prevost, J.Rodriguez, D.C.Radford, P.Taras, J.P.Vivien, J.C.Waddington, S.Aberg Observation of Excited Proton and Neutron Configurations in the Superdeformed 149Gd Nucleus NUCLEAR REACTIONS 124Sn(30Si, 5n), E=155 MeV; 124Sn(31P, 5n), E=156 MeV; measured γ-spectra, γγ-coin. 149Gd deduced levels, J, π, superdeformed band structure.
doi: 10.1103/PhysRevC.42.R1817
1990PI11 Nucl.Phys. A514, 545 (1990) S.Pilotte, S.Flibotte, S.Monaro, N.Nadon, D.Prevost, P.Taras, H.R.Andrews, D.Horn, V.P.Janzen, D.C.Radford, D.Ward, J.K.Johansson, J.C.Waddington, T.E.Drake, A.Galindo-Uribarri, R.Wyss Rotational Bands and Shape Changes in 124Ba NUCLEAR REACTIONS 94Zr(34S, 4n), E=145 MeV; 110Cd(16O, 2n), E=60 MeV; measured Eγ, Iγ, γγ-coin, Iγ(θ), oriented nuclei. 124Ba deduced levels, J, π, δ. Enriched target, Compton-suppressed Ge detector array, 4π bismuth germanate ball. Total routhian surface calculations, cranked shell-model.
doi: 10.1016/0375-9474(90)90155-F
1989JO04 Phys.Rev.Lett. 63, 2200 (1989) J.K.Johansson, H.R.Andrews, T.Bengtsson, A.Djaafri, T.E.Drake, S.Flibotte, A.Galindo-Uribarri, D.Horn, V.P.Janzen, J.A.Kuehner, S.Monaro, N.Nadon, S.Pilotte, D.Prevost, D.C.Radford, I.Ragnarsson, P.Taras, A.Tehami, J.C.Waddington, D.Ward, S.Aberg Multiple Superdeformed Bands in 153Dy NUCLEAR REACTIONS 124Sn(34S, 5n), E not given; measured γγγ-coin, sum spectra. 153Dy deduced levels, J, π, moment of inertia, band structure, deformation, superdeformation features.
doi: 10.1103/PhysRevLett.63.2200
1989TA12 Phys.Lett. 222B, 357 (1989) P.Taras, S.Flibotte, J.Gascon, B.Haas, S.Pilotte, D.C.Radford, D.Ward, H.R.Andrews, F.Banville, J.K.Johansson, J.C.Waddington Additional Superdeformed States in the Continuum of 149Gd NUCLEAR REACTIONS 124Sn(30Si, 5n), E=150 MeV; analyzed data. 149Gd deduced levels, J, π, superdeformation.
doi: 10.1016/0370-2693(89)90323-7
1988HA02 Phys.Rev.Lett. 60, 503 (1988) B.Haas, P.Taras, S.Flibotte, F.Banville, J.Gascon, S.Cournoyer, S.Monaro, N.Nadon, D.Prevost, D.Thibault, J.K.Johansson, D.M.Tucker, J.C.Waddington, H.R.Andrews, G.C.Ball, D.Horn, D.C.Radford, D.Ward, C.St.Pierre, J.Dudek Superdeformed Band up to Spin ≈ (127/2) in 149Gd NUCLEAR REACTIONS 124Sn(30Si, 5n), E=150 MeV; measured Eγ, Iγ, Doppler shift fraction. 149Gd deduced levels, J, π, moment of inertia superdeformed band quadrupole moment.
doi: 10.1103/PhysRevLett.60.503
1988TA20 Phys.Rev.Lett. 61, 1348 (1988) P.Taras, S.Flibotte, J.Gascon, B.Haas, S.Pilotte, D.C.Radford, D.Ward, H.R.Andrews, G.C.Ball, F.Banville, S.Cournoyer, D.Horn, J.K.Johansson, S.Monaro, N.Nadon, D.Prevost, C.Pruneau, D.Thibault, D.M.Tucker, J.C.Waddington Feeding of Discrete-Line Superdeformed Bands at Very High Spin NUCLEAR REACTIONS 124Sn(30Si, 4n), (30Si, 5n), (30Si, 6n), (30Si, xn), E=140-160 MeV; measured γ yields, γ sum spectra, multiplicities. 149Gd deduced superdeformed band features.
doi: 10.1103/PhysRevLett.61.1348
1987GA09 Nucl.Phys. A467, 539 (1987) J.Gascon, P.Taras, D.C.Radford, D.Ward, H.R.Andrews, F.Banville Change in Triaxiality in 159Tm NUCLEAR REACTIONS 128Te(35Cl, xn), E=150 MeV; measured recoil distance, Eγ, Iγ. 158,159Tm deduced levels, J, π, T1/2, B(E2), B(M1), transition quandrupole moments, nuclear shape.
doi: 10.1016/0375-9474(87)90544-6
1987GA12 Nucl.Phys. A470, 230 (1987) J.Gascon, F.Banville, P.Taras, D.Ward, T.K.Alexander, H.R.Andrews, G.C.Ball, D.Horn, D.C.Radford, J.C.Waddington, A.Christy Constant Transition Quadrupole Moments in 174Os up to Spin 20(h-bar) NUCLEAR REACTIONS 51V(127I, 4n), E ≈ 610 MeV; measured Eγ, Iγ, recoil distance. 174Os deduced levels, J, π, T1/2, yrast level transition quadrupole moments, B(E2).
doi: 10.1016/0375-9474(87)90130-8
1987GA14 Nucl.Phys. A472, 558 (1987) J.Gascon, P.Taras, P.van Esbroek, H.R.Andrews, D.C.Radford, D.Ward, A.Christy Shape Variations of 174W below the i13/2 Neutron Backbend NUCLEAR REACTIONS 159Tb(19F, 4n), E=85 MeV; measured Eγ, Iγ, recoil distance. 174W deduced levels, T1/2, J, π, B(λ), transition quadrupole moment.
doi: 10.1016/0375-9474(87)90045-5
1986HA28 Nucl.Phys. A456, 317 (1986) E.Hammaren, O.Hausser, H.R.Andrews, P.Taras, A.Larabee 136Xe(13C, 4nγ) Reaction Study of 145Nd NUCLEAR REACTIONS 136Xe(13C, 4nγ), E=49-60 MeV; measured E(γ), I(γ)(E), I(γ)(θ), γγ-, energy-coin. 145Nd deduced levels, J, π. Pulsed beam, enriched solid 136Xe target, Ge(Li) detectors.
doi: 10.1016/0375-9474(86)90396-9
1985HO17 Nucl.Phys. A441, 344 (1985) D.Horn, I.S.Towner, O.Hausser, D.Ward, H.R.Andrews, M.A.Lone, J.F.Sharpey-Schafer, N.Rud, P.Taras Single-Particle States at very High Spin in the Light Dysprosium Isotopes NUCLEAR REACTIONS 124Sn(32S, xn), E=150, 163 MeV; measured γγ-coin, recoil distance. 150,151,152Dy deduced levels, J, π, T1/2, B(λ). Pulsed beam, Compton suppressed Ge(Li) detectors, NaI(Tl) array, plunger. Shell model, effective interactions. NUCLEAR STRUCTURE 148,149,150,151,152Dy; calculated level, B(λ). Shell model, effective interactions.
doi: 10.1016/0375-9474(85)90037-5
1985TA02 Nucl.Phys. A435, 294 (1985) P.Taras, O.Hausser, H.R.Andrews, D.Ward, M.A.Deleplanque, R.M.Diamond, A.O.Macchiavelli, F.S.Stephens Neutron Alignment at High Spin in 156Dy NUCLEAR REACTIONS 24Mg(136Xe, 4n), E=600, 620 MeV; measured I(γ)(θ, H). 156Dy deduced average g. Enriched targets, transient field IMPAC technique.
doi: 10.1016/0375-9474(85)90315-X
1984HA06 Nucl.Phys. A412, 141 (1984) O.Hausser, H.R.Andrews, D.Horn, M.A.Lone, P.Taras, P.Skensved, R.M.Diamond, M.A.Deleplanque, E.L.Dines, A.O.Macchiavelli, F.S.Stephens Transient Magnetic Fields for Large-Z Atoms Recoiling through Gadolinium NUCLEAR REACTIONS 207Pb, 232Th, U(58Ni, 58Ni'), E=222, 230 MeV; 207Pb(136Xe, 136Xe'), E=610 MeV; measured γ(58Ni)-, γ(136Xe)-coin, Coulomb excitation, Iγ(θγ, H), transient field effect in 232Th, 238U at high spin; deduced 207Pb recoil transient magnetic field velocity dependence in Gd at 77(K). Transient field IMPAC technique.
doi: 10.1016/0375-9474(84)90389-0
1984HA39 Phys.Lett. 144B, 341 (1984) O.Hausser, D.Ward, H.R.Andrews, P.Taras, B.Haas, M.A.Deleplanque, R.M.Diamond, E.L.Dines, A.O.Macchiavelli, R.McDonald, F.S.Stephens, C.V.Stager Spin Precession of Unresolved High-Spin States in 153-156Dy NUCLEAR REACTIONS 26Mg(132Xe, xn), E=645 MeV; 24Mg(136Xe, xn), E=610 MeV; measured γγ-coin, summed spectra, γ(θ), oriented nuclei. 153,154,155,156Dy deduced high-spin collectivities, average g, γ-multiplicity. Fast Dy recoils in ferromagnetic gadolinium.
doi: 10.1016/0370-2693(84)91274-7
1983HA24 Nucl.Phys. A406, 339 (1983) O.Hausser, H.R.Andrews, D.Ward, N.Rud, P.Taras, R.Nicole, J.Keinonen, P.Skensved, C.V.Stager Large Transient Magnetic Fields for Rare-Earth Ions Recoiling in Gadolinium and γ-Factors of High-Spin States in 156,158,160Gd NUCLEAR REACTIONS 169Tm, Gd(34S, 34S'γ), E=58, 70, 80, 90, 100, 108, 115, 125, 130 MeV; 169Tm, Gd(63Cu, 63Cu'γ), E=230 MeV; measured (34S'γ)-, (63Cu'γ)-coin, Iγ(θ, H); deduced velocity dependence of transient magnetic field in Gd at 80 K. 156,158,160Gd levels deduced g. Ge(Li) detectors, natural targets, transient field IMPAC technique.
doi: 10.1016/0375-9474(83)90466-9
1983HO09 Phys.Rev.Lett. 50, 1447 (1983) D.Horn, O.Hausser, I.S.Towner, H.R.Andrews, M.A.Lone, P.Taras Identification of Single-Particle Configurations at very High Spin in 150-152Dy NUCLEAR STRUCTURE 148,149,150,151,152Dy; calculated levels, B(λ) ratios. Shell model. NUCLEAR REACTIONS 124Sn(32S, xn), E=163 MeV; measured γγ-coin. 150,151,152Dy deduced levels, J, π, configurations, γ-branching, B(λ) ratios. Shell model.
doi: 10.1103/PhysRevLett.50.1447
1983WA07 Nucl.Phys. A397, 161 (1983) D.Ward, H.R.Andrews, B.Haas, P.Taras, N.Rud Continuous Gamma Radiation Feeding High-Spin Isomers in 148,149,151,152Dy and 147Gd NUCLEAR REACTIONS 120,122,124Sn(32S, xn), E=132-165 MeV; 124Sn(28Si, 5n), E=130-156 MeV; measured γγ-coin, γ(θ). 148,149,151,152Dy, 147Gd deduced continuum Eγ, γ-multipolarity, multiplicity spectra, average neutron kinetic energies. Pulsed beams, Ge(Li), NaI(Tl) array detectors, NaI(Tl) compton shielding crystal.
doi: 10.1016/0375-9474(83)90083-0
1982AN10 Nucl.Phys. A383, 509 (1982) H.R.Andrews, O.Hausser, D.Ward, P.Taras, R.Nicole, J.Keinonen, P.Skensved, B.Haas Calibration of the Transient Magnetic Field for Rare-Earth Nuclei in Iron: Application to g-factors of high spin states in 152,154Sm NUCLEAR REACTIONS 152,154Sm, Gd, 156Gd, Dy, 169Tm, 174Yb(63Cu, 63Cu'), E=154, 230 MeV; 152,154Sm, Gd, 156Gd, Dy, 169Tm, 174Yb(79Br, 79Br'), (81Br, 81Br'), E=200, 240 MeV; measured (63Cu)γ-, (79Br)γ-coin, γ(θ, H); deduced transient field calibration, Z, velocity dependence. 152,154Sm levels deduced g. Natural, enriched targets, Ge(Li) detectors, transient field IMPAC technique.
doi: 10.1016/0375-9474(82)90088-4
1982BA46 Nucl.Phys. A389, 93 (1982) O.Bakander, C.Baktash, J.Borggreen, J.B.Jensen, J.Kownacki, J.Pedersen, G.Sletten, D.Ward, H.R.Andrews, O.Hausser, P.Skensved, P.Taras Co-Existence of Spherical and Oblate Configurations in 147Gd NUCLEAR REACTIONS 135Ba(16O, 4n), E=77-84 MeV; 124Sn(28Si, 5n), E=128-140 MeV; measured γγ-coin, Iγ(θ), I(ce). 147Gd deduced levels, J, π, isomer T1/2, reduced transition probabilities. Pulsed beam, Ge(Li), Si(Li) detectors, NaI(Tl) array, mini-orange spectrometer.
doi: 10.1016/0375-9474(82)90293-7
1982HA22 Nucl.Phys. A379, 287 (1982) O.Hausser, H.E.Mahnke, T.K.Alexander, H.R.Andrews, J.F.Sharpey-Schafer, M.L.Swanson, D.Ward, P.Taras, J.Keinonen Quadrupole Moments of Yrast Isomers in 144, 147, 148Gd NUCLEAR REACTIONS 120,124Sn(28Si, xn), E=108-144 MeV; measured Iγ(θ, H, t) vs T. 144,147,148Gd levels deduced quadrupole moment, tentative J, deformation. Pulsed beam, Ge(Li) detectors, recoil implantation into Gd.
doi: 10.1016/0375-9474(82)90394-3
1982TR01 Nucl.Phys. A378, 141 (1982) W.Trautmann, J.F.Sharpey-Schafer, H.R.Andrews, B.Haas, O.Hausser, P.Taras, D.Ward Measurement of the Linear Polarization of Continuum Gamma Rays from (32S, xn) Reactions to Prolate and Oblate Rare-Earth Nuclei NUCLEAR REACTIONS 130Te, 124Sn(32S, xn), E=150 MeV; measured Eγ, Iγ, linear polarization, γ(θ). 156,158Er, 151,152Dy deduced γ-multipolarity, collective γ-ray continuum. Pulsed beam, NaI(Tl), Ge(Li) detectors, three-Ge(Li) polarimeter, NaI(Tl) array.
doi: 10.1016/0375-9474(82)90387-6
1981HA17 Nucl.Phys. A362, 254 (1981) B.Haas, D.Ward, H.R.Andrews, O.Hausser, A.J.Ferguson, J.F.Sharpey-Schafer, T.K.Alexander, W.Trautmann, D.Horn, P.Taras, P.Skensved, T.L.Khoo, R.K.Smither, I.Ahmad, C.N.Davids, W.Kutschera, S.Levenson, C.L.Dors Yrast Isomers and very High Spin States in 148, 149, 151, 152Dy and 147Gd NUCLEAR REACTIONS 120,122,124Sn(32S, xn), (34S, xn), E=129-165 MeV; 124Sn(28Si, 5n), E=110-149 MeV; 142Nd(12C, xn), E=56-61 MeV; measured γγ-coin, γγ(θ), γ(θ), γ(θ, t), linear polarization, recoil. 148,149,151,152Dy, 147Gd deduced levels, J, π, δ, T1/2, E2 transition strengths. Pulsed beam, Ge(Li) detectors, NaI(Tl) array, plunger, polarimeter.
doi: 10.1016/0375-9474(81)90680-1
1981HA44 Nucl.Phys. A371, 349 (1981) J.C.Hardy, T.Faestermann, H.Schmeing, J.A.MacDonald, H.R.Andrews, J.S.Geiger, R.L.Graham, K.P.Jackson T(z) = 1/2 β-Delayed Proton Precursors (II). The Decays 65Ge and 73Kr RADIOACTIVITY 65Ge [from 40Ca(28Si, 2pn)], 73Kr [from 60Ni(16O, 3n)]; measured β-delayed protons, E(p), I(p), T1/2, pγ-, p X-ray-, γX-ray-coin; deduced branching ratios. 65Ga, 73Br deduced level T1/2, level densities, β-strength function. Natural and enriched targets, Ge(Li), Ge, NaI(Tl), surface barrier Si detectors.
doi: 10.1016/0375-9474(81)90051-8
1981RU02 Phys.Lett. 100B, 17 (1981) N.Rud, D.Ward, H.R.Andrews, P.Taras, J.Keinonen Evidence for Enhanced transition Rates in the Feeding of High Spin States in 147Gd NUCLEAR REACTIONS 124Sn(28Si, 5n), E=130, 145 MeV; measured γ-multiplicity, σ(Eγ), γ(θ). 147Gd deduced strectched E2 transition to quasiparticle yrast states, average B(E2), average entry spin J.
doi: 10.1016/0370-2693(81)90276-8
1981RU05 Phys.Lett. 101B, 35 (1981) N.Rud, D.Ward, H.R.Andrews, O.Hausser, P.Taras, J.Keinonen, M.Neiman, R.M.Diamond, F.S.Stephens Average g-Factors for High Spin States in 156Dy NUCLEAR REACTIONS 24Mg(136Xe, 4n), E=544, 570, 650 MeV; measured γ-multiplicities, γγ(θ, H) in Fe. 156Dy deduced average g in high-spin region.
doi: 10.1016/0370-2693(81)90483-4
1981SK01 Nucl.Phys. A366, 125 (1981) P.Skensved, R.Chapman, R.L.Kozub, J.R.Leslie, W.McLatchie, D.Ward, H.R.Andrews, O.Hausser The Ground-State Rotational Band in 175Lu NUCLEAR REACTIONS 175Lu(40Ca, 40Ca'), E=168 MeV; γ40Ca(θ), recoil, Eγ, Iγ, γ(θ), DSA, Coulomb excitation. 175Lu levels deduced T1/2, B(λ), δ, γ-branching ratio, quadrupole moment, g(k), g(R).
doi: 10.1016/0375-9474(81)90492-9
1981TA24 Phys.Lett. 107B, 35 (1981) P.Taras, G.C.Ball, W.G.Davies, H.R.Andrews, B.Haas Evidence for Alpha-Cluster Structure at 12.9 MeV CM in the 12C + 16O System NUCLEAR REACTIONS 12C(16O, 12C), E(cm)=12.2-13.5 MeV; measured σ(θ) vs E, σ(E(12C)). 28Si resonance deduced J, π, Γ, α-cluster structure.
doi: 10.1016/0370-2693(81)91141-2
1981WA04 Phys.Lett. 99B, 378 (1981) D.Ward, J.F.Sharpey-Schafer, T.K.Alexander, H.R.Andrews, O.Hausser, J.Keinonen Remeasurement of Lifetimes for High Spin States in 154Er NUCLEAR REACTIONS 126Te(32S, 4n), E=130-150, 155 MeV; measured Eγ, Iγ, recoil, σ(Eγ). 154Er deduced levels, γ-branching, T1/2, B(E2), yrast state configuration. Ge(Li), NaI(Tl)detectors.
doi: 10.1016/0370-2693(81)90552-9
1981WA16 Nucl.Phys. A365, 173 (1981) D.Ward, H.R.Andrews, A.J.Ferguson, O.Hausser, N.Rud, P.Skensved, J.Keinonen, P.Taras Average g-Factors for High-Spin States in 78Kr NUCLEAR REACTIONS 16,18O(65Cu, 2np), (63Cu, 2np), E=190-210 MeV; measured γ(θ, B) in polarized Fe. 78Kr levels deduced g. Enriched targets, transient field perturbed angular correlation technique.
doi: 10.1016/0375-9474(81)90394-8
1980AN27 Phys.Rev.Lett. 45, 1835 (1980) H.R.Andrews, O.Hausser, D.Ward, P.Taras, N.Rud, B.Haas, R.M.Diamond, D.Fossan, H.Kluge, M.Nieman, C.Roulet, F.S.Stephens g Factors of High-Spin States in 160Dy and 170,174Yb Measured by the Transient Magnetic Field Interaction NUCLEAR REACTIONS 160Dy, 170,174Yb(86Kr, 86Kr'), E=350 MeV; measured (86Kr)γ-coin, multiple coulomb excitation, recoil in Fe, γ(θ, H). 160Dy, 170,174Yb deduced g for high-spin states.
doi: 10.1103/PhysRevLett.45.1835
1980HA02 Phys.Rev.Lett. 44, 132 (1980) O.Hausser, H.-E.Mahnke, J.F.Sharpey-Schafer, M.L.Swanson, P.Taras, D.Ward, H.R.Andrews, T.K.Alexander Quadrupole Moment of a High-Spin Yrast Trap in 147Gd NUCLEAR REACTIONS 124Sn(28Si, 5nγ), E=144 MeV; measured γ(θ, t), oriented nuclei, quadrupole interactions. 147Gd levels deduced quadrupole moments, quasiparticle configuration, β. Pulsed beam.
doi: 10.1103/PhysRevLett.44.132
1980HA11 Nucl.Instrum.Methods 169, 539 (1980) O.Hausser, D.Ward, H.R.Andrews, N.Rud, P.Skensved, C.Broude Application of Transient Magnetic Fields to the Measurement of g-Factor for Shortlived Nuclear States Populated by Multiple Coulomb Excitation NUCLEAR REACTIONS 174Yb(86Kr, 86Kr'), E=344 MeV; measured particle γ-coin, γ(θ, H) in Fe, Coulomb excitation σ; deduced spin, T1/2 dependence of g. Theoretical evaluation of level population, spin precision angle time evolution.
1980HA52 Hyperfine Interactions 8, 271 (1980) O.Hausser, D.Ward, T.K.Alexander, H.R.Andrews, W.J.L.Buyers, H.-E.Mahnke, J.F.Sharpey-Schafer, P.Skensved, M.L.Swanson, P.Taras The Electric Field Gradient for Gd in Gadolinium Metal NUCLEAR REACTIONS 120Sn(28Si, 4n), E=130 MeV; measured γ(θ, H), recoil in Gd host. 144Gd deduced temperature dependence of electric field gradient in Gd above Curie point. 156,158,160Gd(α, α'), E=6 MeV; measured Coulomb excitation, Iγ; deduced electric field gradient for Gd in Gd.
1980WA23 Nucl.Phys. A349, 1 (1980) P.M.Walker, D.Ward, O.Hausser, H.R.Andrews, T.Faestermann g-Factors for 172,173,174,178Hf K-Isomers NUCLEAR REACTIONS 170,171,172,176Yb(α, 2n), E=26-30 MeV; measured Iγ(θ, H, t, T). 172,173,174,178Hf levels deduced g, T1/2. Ge(Li) detectors. Enriched targets.
doi: 10.1016/0375-9474(80)90439-X
1979BA31 Nucl.Phys. A325, 305 (1979) G.C.Ball, W.G.Davies, J.S.Forster, H.R.Andrews, D.Horn, W.McLatchie The Use of Exotic Heavy Ion Transfer Reactions to Study Light Neutron Rich Nuclei NUCLEAR REACTIONS 207,208Pb(18O, 21O), (18O, 22O), (18O, 19N), (18O, 17O), E=93 MeV; measured position spectra; deduced Q. 21,22O, 19N, 17C deduced mass excess. Enriched targets, QD3 spectrometer analysis.
doi: 10.1016/0375-9474(79)90165-9
1979CO14 Phys.Rev. C20, 847 (1979) E.J.Cohen, H.R.Andrews, T.F.Knott, F.M.Pipkin, D.C.Santry Beta-Ray Asymmetry from Oriented 110mAg RADIOACTIVITY 110mAg; measured Iβ(θ); deduced ratio of Fermi to Gamow-Teller matrix elements. Thin oriented source.
doi: 10.1103/PhysRevC.20.847
1979HA06 Nucl.Phys. A314, 161 (1979) O.Hausser, B.Haas, D.Ward, H.R.Andrews The g-Factors of Excited States in 205,203Tl Measured by Transient Field Interaction at High Recoil Velocities NUCLEAR REACTIONS 194,196,198Pt(40Ca, 40Ca'γ), E=120 MeV; 194,196,198Pt(81Br, 81Br'γ), E=190 MeV; 203,205Tl(40Ca, 40Ca'γ), E=120 MeV; measured γ-precession. 203,205Tl deduced g. 194,196,198Pt deduced g-ratios for 2+ levels. Enhanced transient field, IMPAC technique.
doi: 10.1016/0375-9474(79)90560-8
1979HA15 Phys.Rev.Lett. 42, 1451 (1979) O.Hausser, P.Taras, W.Trautmann, D.Ward, T.K.Alexander, H.R.Andrews, B.Haas, D.Horn g Factors of High-Spin Yrast Traps in 146,147Gd NUCLEAR REACTIONS 120,122,124Sn(28Si, xn), E=108-144 MeV; 144Sm(α, xn), E=30 MeV; measured γγ(θ, H, t) in Sn, Sm, Pb. 144,146,147,148Gd levels deduced T1/2, g, configuration. Paramagnetic correction, pulsed beam. Enriched targets.
doi: 10.1103/PhysRevLett.42.1451
1979HA28 Phys.Lett. 84B, 178 (1979) B.Haas, H.R.Andrews, O.Hausser, D.Horn, J.F.Sharpey-Schafer, P.Taras, W.Trautmann, D.Ward, T.L.Khoo, R.K.Smither Single Particle Nature of the Yrast Line at High Angular Momentum in 152Dy NUCLEAR REACTIONS 122Sn(34S, 4nγ), 124Sn(32S, 4nγ), E=150 MeV; measured γγ-coin, γγ(t), γ-linear polarization, DSA, RDM. 152Dy deduced levels, branching ratios, transition probabilities, T1/2, J, π.
doi: 10.1016/0370-2693(79)90278-8
1979HO06 Nucl.Phys. A317, 520 (1979) D.Horn, O.Hausser, B.Haas, T.K.Alexander, T.Faestermann, H.R.Andrews, D.Ward High Spin Yrast States in N = 126 Isotones NUCLEAR REACTIONS 204Hg, 205Tl, 206Pb(13C, 5nγ), E=72-86 MeV; measured Iγ(E, t), Iγ(θ, H, t), γγ(t), γX(t), Iγ(θ), linear polarization (γ). 212Rn, 213Fr, 214Ra deduced T1/2, g, level sequences, J, π, B(E3). Pulsed beam, enriched thick targets. Ge(Li) detectors.
doi: 10.1016/0375-9474(79)90496-2
1979MA37 Phys.Lett. 88B, 48 (1979) H.-E.Mahnke, T.K.Alexander, H.R.Andrews, O.Hausser, P.Taras, D.Ward, E.Dafni, G.D.Sprouse Quadrupole Moments of the 12+ States in 206Pb and 200Pb NUCLEAR REACTIONS 204,198Hg(α, 2n), E=33 MeV; measured γ(θ, H, t). 206,200Pb levels deduced quadrupole moments, T1/2, B(E2).
doi: 10.1016/0370-2693(79)90110-2
1979TR08 Phys.Rev.Lett. 43, 991 (1979) W.Trautmann, J.F.Sharpey-Schafer, H.R.Andrews, B.Haas, O.Hausser, P.Taras, D.Ward Linear Polarization of the Continuum γ Rays Feeding High-Spin Yrast States in 151,152Dy and 156-158Er NUCLEAR REACTIONS 124Sn(32S, 5n), (32S, 4n), 130Te(32S, 4n), (32S, 5n), (32S, 6n), E=150 MeV; measured continuum γ-linear polarization, σ(Eγ), Iγ(θ). 156,157,158Er levels deduced E2 cascade involving high-spin yrast states. 151,152Dy levels deduced collective rotational character of high-spin yrast states.
doi: 10.1103/PhysRevLett.43.991
1979WA12 Nucl.Phys. A332, 433 (1979) D.Ward, H.R.Andrews, O.Hausser, Y.El Masri, M.M.Aleonard, I.Yang-Lee, R.M.Diamond, F.S.Stephens, P.A.Butler Measurements of Lifetimes and Feeding Times for High Spin States in 156Dy NUCLEAR REACTIONS 24Mg(136Xe, 4n), E=595 MeV; measured recoil distance decay curves, γγ-coin. 156Dy levels deduced Q0, B(E2) values, feeding times. NaI(Tl) multiplicity array, Ge(Li) detectors.
doi: 10.1016/0375-9474(79)90012-5
1979WA15 Nucl.Phys. A330, 225 (1979) D.Ward, O.Hausser, H.R.Andrews, P.Taras, P.Skensved, N.Rud, C.Broude Measurement of g-Factors in 170Yb, 172Yb and 174Yb by Transient Field Interaction at High Recoil Velocities NUCLEAR REACTIONS 169Tm, 170,172,174Yb(40Ca, 40Ca'γ), E=168 MeV; measured (40Ca', γ)coin, γ(θ, H). 170,172,174Yb deduced g-factors. Enriched targets. Enhanced transient field. IMPAC technique.
doi: 10.1016/0375-9474(79)90547-5
1978BR25 Nucl.Phys. A306, 242 (1978) B.A.Brown, O.Hausser, T.Faestermann, D.Ward, H.R.Andrews, D.Horn Search for Parity Mixing in the 93Tc 17/2 Isomer: Measurements of Partial γ-Decay Widths NUCLEAR REACTIONS 63Cu(32S, 2n2p), E=120 MeV; measured γ(θ), linear polarization of delayed γ-rays. 93Tc deduced levels, γ-branching, δ, limit on parity-violating E2 component in 17/2-→13/2+ transition. Enriched target, pulsed beam.
doi: 10.1016/0375-9474(78)90326-3
1978FA17 Hyperfine Interactions 4, 216 (1978) T.Faestermann, O.Hausser, D.Ward, H.R.Andrews, T.K.Alexander, D.Horn, T.L.Khoo g-Factor for the K = 6, Jπ = 6+ Isomer in 178Hf NUCLEAR REACTIONS 176Yb(α, 2n), E=27 MeV; measured Eγ, Iγ(θ, H, t). 178Hf deduced isomeric state g factor. Time-differential perturbed angular distribution technique.
doi: 10.1007/BF01021828
1978HA07 Phys.Lett. 73B, 127 (1978) O.Hausser, T.K.Alexander, T.Faestermann, D.Horn, D.Ward, H.R.Andrews, I.S.Towner Magnetic Moments of Jπ = 19/2- Mirror States in 43Ti and 43Sc NUCLEAR REACTIONS 40Ca(α, n), (α, p), E=21 MeV; measured γ(θ, H, t). 43Ti, 43Sc levels deduced T1/2, g.
doi: 10.1016/0370-2693(78)90815-8
1978HA52 Hyperfine Interactions 4, 196 (1978) O.Hausser, T.Faestermann, I.S.Towner, T.K.Alexander, H.R.Andrews, J.R.Beene, D.Horn, D.Ward, C.Broude Magnetic Moments of N = 48-50 Nuclei and Proton Core Polarization RADIOACTIVITY 90m,88mZr, 91m,90mNb, 93mTc, 90m,91m,92mMo, 94mRu, 86mSr; measured g; deduced core polarization. Heavy ion induced reactions, evaporation residues, transient field techniques.
1978KH02 Phys.Rev.Lett. 41, 1027 (1978) T.L.Khoo, R.K.Smither, B.Haas, O.Hausser, H.R.Andrews, D.Horn, D.Ward Yrast Traps and Very High-Spin Yrast States in 152Dy NUCLEAR REACTIONS 124Sn(32S, 4nγ), E=129-160 MeV; measured σ(E, Eγ, θ, t), γγ(θ, t), recoil distance. 142Nd(12C, 2n), 143Nd(12C, 3n); measured σ(E, Eγ). 152Dy deduced yrast isomers, levels, T1/2, J, π.
doi: 10.1103/PhysRevLett.41.1027
1978SP09 Hyperfine Interactions 4, 229 (1978) G.D.Sprouse, O.Hausser, H.R.Andrews, T.Faestermann, J.R.Beene, T.K.Alexander Static Quadrupole Moments in Cd Isotopes NUCLEAR REACTIONS 92,94,96Zr(16O, 3n), E=56-68 MeV; 111Cd(16O, 16O'), E=56-68 MeV; measured γ(θ, H, t). 111,109,107,105Cd levels deduced static quadrupole moments.
doi: 10.1007/BF01021832
1977HA49 Nucl.Phys. A293, 248 (1977) O.Hausser, I.S.Towner, T.Faestermann, H.R.Andrews, J.R.Beene, D.Horn, D.Ward Magnetic Moments of N = 50 Isotones and Proton Core Polarization NUCLEAR REACTIONS 88Sr(α, 2nγ), 90Zr(α, 2nγ), 92Mo(α, 2nγ), E=24-25 MeV; 88Sr(6Li, 3nγ), E=34 MeV; 65Cu(32S, 2n2pγ), E=120 MeV; 65Cu(32S, 2n3pγ), E=132 MeV; 64Ni(32S, 2n2pγ), E=132 MeV; 63Cu(35Cl, 2n2pγ), E=120 MeV; measured Iγ(θ, H, t). 90Zr, 91Nb, 92Mo, 93Tc, 94Ru deduced g-factors, T1/2. Ge(Li) detectors. Enriched targets of 90Zr, 65Cu, 63Cu, 64Ni.
doi: 10.1016/0375-9474(77)90490-0
1977MA24 Nucl.Phys. A288, 1 (1977) J.A.Macdonald, J.C.Hardy, H.Schmeing, T.Faestermann, H.R.Andrews, J.S.Geiger, R.L.Graham, K.P.Jackson T(z) = 1/2 β-Delayed Proton Precursors (I). The Decay of 69Se RADIOACTIVITY 69Se [from 40Ca(32S, 2pn)]; measured β-delayed protons, Ep, Ip, T1/2, Eγ, Iγ, γγ-, βγ-, pγ-coin, pX-ray, γX-ray coin; deduced log ft, Q(EC). 69As deduced levels, level density, ICC, B(λ). 69As; measured βγ-coin; deduced Q. Natural enriched targets. Ge(Li), Si(Li), NaI(Tl), Ne 102 plastic scintillator, surface-barrier Si detectors.
doi: 10.1016/0375-9474(77)90078-1
1977SI18 Nucl.Phys. A291, 443 (1977) S.H.Sie, D.Ward, J.S.Geiger, R.L.Graham, H.R.Andrews Measurement of Lifetimes for High Spin States in 152Sm, 154Gd and 156Gd by the Doppler Broadened Lineshape Method NUCLEAR REACTIONS 152Sm, 154Gd, 156Gd(35Cl, 35Cl'γ), E=132-143 MeV; measured 35Cl' γ-coin, Doppler broadened lineshape; derived empirical electronic stopping powers. 152Sm, 154,156Gd levels deduced T1/2, B(E2). Compared with rotational model. Enriched targets, Ge(Li) detectors.
doi: 10.1016/0375-9474(77)90331-1
1977TA10 Nucl.Phys. A289, 165 (1977) P.Taras, D.Ward, H.R.Andrews, J.S.Geiger, R.L.Graham, W.McLatchie Electromagnetic Properties of the Ground State Rotational Band in 169Tm NUCLEAR REACTIONS 169Tm(32S, 32S'γ), E=130, 140 MeV; measured recoil distance, DSA, 32S'γ(θ), Eγ, Iγ. 169Tm levels deduced transitions, δ, T1/2, B(λ), γ-branching.
doi: 10.1016/0375-9474(77)90527-9
1976BA03 Phys.Lett. 60B, 265 (1976) G.C.Ball, W.G.Davies, J.S.Forster, H.R.Andrews Use of the 208Pb(18O, 21O)205Pb Reaction to Measure the Mass of 21O NUCLEAR REACTIONS 208Pb(18O, 21O), (18O, 20O), E=93 MeV; measured σ(θ). 208Pb(18O, 21O) deduced Q. 21O deduced mass excess.
doi: 10.1016/0370-2693(76)90296-3
1976FO20 Nucl.Instrum.Methods 136, 349 (1976) J.S.Forster, D.Ward, H.R.Andrews, G.C.Ball, G.J.Costa, W.G.Davies, I.V.Mitchell Stopping Power Measurements for 19F, 24Mg, 27Al, 32S and 35Cl at Energies ≈0.2 to ≈3.5 MeV/Nucleon in Ti, Fe, Ni, Cu, Ag and Au NUCLEAR REACTIONS Ti, Fe, Ni, Cu, Ag(19F, X), (24Mg, X), (27Al, X), (32S, X), (35Cl, X), E ≈ 0.2-3.5 MeV/nucleon; measured stopping power.
doi: 10.1016/0029-554X(76)90218-4
1976HA22 Phys.Rev.Lett. 37, 133 (1976); Erratum Phys.Rev.Lett. 37, 459 (1976) J.C.Hardy, J.A.Macdonald, H.Schmeing, H.R.Andrews, J.S.Geiger, R.L.Graham, T.Faestermann, E.T.H.Clifford, K.P.Jackson Nuclear Lifetimes in the Region of 10-16 sec Measured by a New Technique RADIOACTIVITY 69Se; measured p X-ray(t), pγ(t), γ X-ray(t), T1/2, Eβ, Q. 69As levels deduced T1/2 limits.
doi: 10.1103/PhysRevLett.37.133
1976HA29 Phys.Lett. 63B, 27 (1976); Erratum Phys.Lett. 73B, 503 (1978) J.C.Hardy, J.A.MacDonald, H.Schmeing, T.Faestermann, H.R.Andrews, J.S.Geiger, R.L.Graham, K.P.Jackson A New Series of Beta-Delayed Proton Precursors RADIOACTIVITY 65Ge, 69Se, 73Kr, 77Sr; measured delayed protons, T1/2; deduced total β-branching to proton emission, Q(EC)-Bp. 69Se; measured Eβ; deduced Q.
doi: 10.1016/0370-2693(76)90460-3
1975WA14 Izv.Akad.Nauk SSSR, Ser.Fiz. 39, 37 (1975); Bull.Acad.Sci.USSR, Phys.Ser. 39, No.1, 30 (1975) D.Ward, H.R.Andrews, G.J.Costa, J.S.Geiger, R.L.Graham, P.Taras Values of the Lifetimes of States Having a High Nuclear Spin for Which Back Bending Is Observed. The Possibility of Measuring g-Factors by the Method of Varying the Flight of Recoil Nuclei in Vacuum NUCLEAR REACTIONS 110Pd(24Mg, 4n), E=103 MeV; 115In(19F, 4n), E=86 MeV; measured Eγ, Iγ, σ(Eγ, θ), γγ-coin, recoil distance.
1975WA15 Izv.Akad.Nauk SSSR, Ser.Fiz. 39, 44 (1975); Bull.Acad.Sci.USSR, Phys.Ser. 39, No.1, 36 (1975) D.Ward, H.R.Andrews, R.L.Graham, J.S.Geiger, S.H.Sie Improving the Method of Using Doppler Broadening of a Line in Order to Measure the Lifetimes of States Having High Spins in Nuclei in the Rare-Earth Region NUCLEAR REACTIONS 152Sm, 154,156Gd(35Cl, 35Cl'γ), E=130-135 MeV; measured recoil distance. 152Sm, 154,156Gd levels deduced T1/2, B(E2).
1974AN03 Nucl.Phys. A219, 141 (1974) H.R.Andrews, D.Ward, R.L.Graham, J.S.Geiger High Spin States in the Ground and β-Bands of 156Dy and the Band-Crossing Interpretation of Back Bending NUCLEAR REACTIONS 155Gd(α, 3n), E=36-40 MeV; 148Nd(12C, 4n), E=55-65 MeV; measured Eγ, Iγ(θ), γγ-coincidences. 156Dy deduced levels, J, relative B(E2) values, rotational angular velocity, moment of inertia. Enriched targets. Ge(Li) detectors.
doi: 10.1016/0375-9474(74)90088-8
1974HA59 Phys.Rev.Lett. 33, 1647 (1974) J.C.Hardy, H.R.Andrews, J.S.Geiger, R.L.Graham, J.A.Macdonald, H.Schmeing Fermi Beta Decay, A > 40: The Half-Lives of 46V, 50Mn, and 54Co RADIOACTIVITY 46V, 50Mn, 54Co; measured T1/2; deduced ft.
doi: 10.1103/PhysRevLett.33.1647
1974WA21 Nucl.Phys. A234, 94 (1974) D.Ward, H.R.Andrews, R.L.Graham, J.S.Geiger, N.Rud Dependence of Nuclear Deorientation on Nuclear Spin for Recoils in Vacuum NUCLEAR REACTIONS 150Sm, 156Gd(35Cl, 35Cl'γ), E=133 MeV; measured Cl'γ(θ). 150Sm, 156Gd levels deduced deorientation times. Enriched targets.
doi: 10.1016/0375-9474(74)90381-9
1973AN06 Phys.Rev. C7, 1851 (1973) H.R.Andrews, E.J.Cohen, T.F.Knott, F.M.Pipkin, D.C.Santry Accurate Measurement of the Positron Asymmetry from Oriented 58Co RADIOACTIVITY 58Co; measured Iβ(θ), Iγ(θ) from aligned nuclei. Deduced Fermi-Gamow-Teller mixing ratio.
doi: 10.1103/PhysRevC.7.1851
1973RU08 Phys.Rev.Lett. 31, 1421 (1973) N.Rud, D.Ward, H.R.Andrews, R.L.Graham, J.S.Geiger Lifetimes in the Ground-State Band of 184Hg NUCLEAR REACTIONS 156Gd(32S, 4nγ), E=156 MeV; measured Eγ, Iγ, γγ(θ, t), recoil distance. 184Hg deduced levels, J, π, T1/2, B(E2).
doi: 10.1103/PhysRevLett.31.1421
1973WA06 Phys.Rev.Lett. 30, 493 (1973) D.Ward, H.R.Andrews, J.S.Geiger, R.L.Graham, J.F.Sharpey-Schafer Lifetimes for Levels Above the 'Rotational Phase Change' in 158Er NUCLEAR REACTIONS 130Te(32S, 4nγ), E=135 MeV; measured recoil distance, γγ-coin, Eγ, Iγ. 158Er levels deduced T1/2.
doi: 10.1103/PhysRevLett.30.493
1973WA12 Phys.Lett. 44B, 39 (1973) D.Ward, R.L.Graham, J.S.Geiger, H.R.Andrews Anomalous Moments of Inertia for High-Spin Levels in the Beta Vibrational Band of 154Gd NUCLEAR REACTIONS 154Sm(α, 4nγ), E=38, 41 MeV; measured σ(E;Eγ, θ), γγ-coin. 154Gd deduced levels, J, π.
doi: 10.1016/0370-2693(73)90294-3
1972WA23 Nucl.Phys. A193, 479 (1972) D.Ward, R.L.Graham, J.S.Geiger, H.R.Andrews, S.H.Sie Time-Differential Measurement of Nuclear Deorientation for Recoils in Vacuum NUCLEAR REACTIONS 150Sm(35Cl, 35Cl'γ), E=80 MeV; measured recoil distance, σ(θ(γ)); analyzed deorientation effect.
doi: 10.1016/0375-9474(72)90334-X
1970KN02 Phys.Rev.Lett. 25, 543 (1970) T.F.Knott, H.R.Andrews, E.J.Cohen, F.M.Pipkin, D.C.Santry Beta-Ray Asymmetry from Oriented 110mAg RADIOACTIVITY 110mAg(polarized); measured Iβ(θ, Eβ) in Fe; deduced hyperfine field.
doi: 10.1103/PhysRevLett.25.543
1968AN05 Phys.Rev. 169, 978 (1968) H.R.Andrews, T.F.Knott, B.Greenebaum, F.M.Pipkin Nuclear Orientation of 125Sb NUCLEAR STRUCTURE 125Sb; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRev.169.978
Back to query form [Next] |