NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = P.B.Semmes Found 35 matches. 2001HA47 Phys.Rev. C64, 031304 (2001) D.J.Hartley, L.L.Riedinger, M.A.Riley, D.L.Balabanski, F.G.Kondev, R.W.Laird, J.Pfohl, D.E.Archer, T.B.Brown, R.M.Clark, M.Devlin, P.Fallon, I.M.Hibbert, D.T.Joss, D.R.LaFosse, P.J.Nolan, N.J.O'Brien, E.S.Paul, D.G.Sarantites, R.K.Sheline, S.L.Shepherd, J.Simpson, R.Wadsworth, J.-Y.Zhang, P.B.Semmes, F.Donau Detailed Spectroscopy of the Chiral-Twin Candidate Bands in 136Pm NUCLEAR REACTIONS 105Pd(35Cl, 2n2p), E=173 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 136Pm deduced high-spin levels, J, π, configurations, B(M1), B(E2). Comparisons with neighboring nuclides, model predictions. Gammasphere, Microball arrays.
doi: 10.1103/PhysRevC.64.031304
2001SE04 Nucl.Phys. A682, 239c (2001) Proton Emission from Spherical and Near-Spherical Nuclei NUCLEAR STRUCTURE 113Cs, 147Tm, 166Ir, 161Re; calculated proton decay T1/2. 151Lu; calculated level energies, configurations. Particle-core coupling.
doi: 10.1016/S0375-9474(00)00646-1
2000GI01 Phys.Rev. C61, 014308 (2000) T.N.Ginter, J.C.Batchelder, C.R.Bingham, C.J.Gross, R.Grzywacz, J.H.Hamilton, Z.Janas, M.Karny, S.H.Kim, J.F.Mas, J.W.McConnell, A.Piechaczek, A.V.Ramayya, K.Rykaczewski, P.B.Semmes, J.Szerypo, K.S.Toth, R.Wadsworth, C.-H.Yu, E.F.Zganjar Proton Emission from 150Lu RADIOACTIVITY 150,150mLu(p) [from 96Ru(58Ni, 3np)]; measured proton spectra, T1/2. Recoil mass spectrometer.
doi: 10.1103/PhysRevC.61.014308
1999BI14 Phys.Rev. C59, R2984 (1999) C.R.Bingham, J.C.Batchelder, K.Rykaczewski, K.S.Toth, C.-H.Yu, T.N.Ginter, C.J.Gross, R.Grzywacz, M.Karny, S.H.Kim, B.D.MacDonald, J.Mas, J.W.McConnell, P.B.Semmes, J.Szerypo, W.Weintraub, E.F.Zganjar Identification of a Proton-Emitting Isomer in 151Lu RADIOACTIVITY 151mLu(p) [from 96Ru(58Ni, 2np)]; measured Ep, T1/2. 151Lu deduced level, J, π, spectroscopic factor. Comparison with model calculations. Energy level systematics discussed.
doi: 10.1103/PhysRevC.59.R2984
1999RE05 Phys.Rev. C59, 1351 (1999) W.Reviol, L.L.Riedinger, X.Z.Wang, J.-Y.Zhang, H.J.Jensen, G.B.Hagemann, R.A.Bark, P.O.Tjom, S.Leoni, T.Lonnroth, H.Schnack-Petersen, T.Shizuma, J.Wrzesinski, P.B.Semmes Residual Interactions and Tilted Rotation in Odd-Odd 164Tm NUCLEAR REACTIONS 150Nd(19F, 5n), E=85 MeV; measured Eγ, Iγ(θ), γγ(t). 164Tm deduced high-spin levels, J, π, rotational bands, configurations, B(M1)/B(E2), isomeric states T1/2. Nordball array. NUCLEAR STRUCTURE 164Tm; calculated rotational bands features, B(M1)/B(E2), signature splitting; deduced proton-neutron interaction role. Particle-rotor model, tilted-axis cranking model calculations.
doi: 10.1103/PhysRevC.59.1351
1998BA20 Nucl.Phys. A630, 603 (1998) R.A.Bark, H.Carlsson, S.J.Freeman, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, T.Lonnroth, M.J.Piiparinen, I.Ragnarsson, H.Ryde, H.Schnack-Petersen, P.B.Semmes, P.O.Tjom Band Structures and Proton-Neutron Interactions in 174Ta NUCLEAR REACTIONS 160Gd(19F, 5n), E=103, 105 MeV; measured Eγ, Iγ, γγ-coin. 174Ta deduced high-spin levels, J, π, rotational band structure, configurations, Nilsson assignments, alignments, B(M1)/B(E2) ratios, signature inversion, proton-neutron interactions, crossing frequencies.
doi: 10.1016/S0375-9474(97)00650-7
1998RU04 Phys.Rev. C58, 771 (1998) D.Rupnik, E.F.Zganjar, J.L.Wood, P.B.Semmes, P.F.Mantica Levels of 187Au: A detailed study of shape coexistence in an odd-mass nucleus RADIOACTIVITY 187,187mHg(β+), (EC) [from 176Hf(16O, 5n)]; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-coin. 187Au deduced levels, J, π, ICC, diabatic configurations, E0 transitions. Particle plus triaxial rotor model comparison. Mass-separated source.
doi: 10.1103/PhysRevC.58.771
1997AB27 Phys.Rev. C56, 1762 (1997); Erratum Phys.Rev. C58, 3011 (1998) S.Aberg, P.B.Semmes, W.Nazarewicz Spherical Proton Emitters NUCLEAR STRUCTURE 105Sb, 109I, 112,113Cs, 146,147Tm, 150,151Lu, 156,157Ta, 160,161Re, 165,166,167Ir, 171Au, 185Bi; calculated proton emission T1/2, spectroscopic factors; deduced sensitivity to model parameters. 7B; calculated proton emission T1/2 vs Q(p), diffuseness. Several models considered, comparison with experiment.
doi: 10.1103/PhysRevC.56.1762
1997BA45 Phys.Lett. 406B, 193 (1997); Erratum Phys.Lett. 416B, 453 (1998) R.A.Bark, J.M.Espino, W.Reviol, P.B.Semmes, H.Carlsson, I.G.Bearden, G.B.Hagemann, H.J.Jensen, I.Ragnarsson, L.L.Riedinger, H.Ryde, P.O.Tjom Signature Inversion in Semi-Decoupled Bands: Residual interaction between h9/2 protons and i13/2 neutrons NUCLEAR REACTIONS 160Gd(19F, 5n), E=105 MeV; 150Nd(19F, 5n), E=85 MeV; 130Te(37Cl, 5n), E=166 MeV; measured Eγ, Iγ, γγ-coin; 162,164Tm, 174Ta deduced high-spin levels, J, π, signature inversion related features. Particle-rotor model analysis.
doi: 10.1016/S0370-2693(97)00676-X
1997VA17 Phys.Lett. 410B, 103 (1997); Erratum Phys.Lett. 421B, 412 (1998) P.G.Varmette, D.T.Shi, W.C.Ma, A.V.Ramayya, R.V.F.Janssens, C.N.Davids, J.H.Hamilton, I.Ahmad, H.Amro, B.R.S.Babu, B.Back, K.S.Bindra, D.J.Blumenthal, L.T.Brown, M.P.Carpenter, W.L.Croft, B.Crowell, S.M.Fischer, U.Garg, R.G.Henry, T.Ishii, T.L.Khoo, J.Kormicki, T.Lauritsen, C.J.Lister, D.Nisius, H.Penttila, R.B.Piercey, J.A.Winger, S.J.Zhu, P.B.Semmes Identification of 181Hg and Shape Coexistence in Odd-A Hg Isotopes NUCLEAR REACTIONS 144Sm(40Ar, 3n), E=175, 180 MeV; measured Eγ, Iγ, γγ-coin, (recoil)γ-coin, DCO ratios. 181Hg deduced levels, J, π, band structure, configurations, possible isomeric state. Comparisons with neighboring nuclei.
doi: 10.1016/S0370-2693(97)01035-6
1996JI04 Phys.Rev. C53, 2106 (1996) H.-Q.Jin, L.L.Riedinger, C.R.Bingham, M.P.Carpenter, V.P.Janzen, C.-H.Yu, L.Zhou, P.B.Semmes, J.-Y.Zhang, M.A.Riley, C.Baktash, M.L.Halbert, N.R.Johnson, I.Y.Lee, F.K.McGowan Effects of Intruder States in 179Ir NUCLEAR REACTIONS 156Gd(27Al, 4n), E=134-144 MeV; measured Eγ, Iγ, DCO ratios, γγ-coin. 179Ir deduced rotational bands, high-spin levels, J, π, γ multipolarity, configuration. Model comparison.
doi: 10.1103/PhysRevC.53.2106
1996PE01 Nucl.Phys. A597, 106 (1996) C.M.Petrache, D.Bazzacco, S.Lunardi, C.Rossi Alvarez, G.de Angelis, M.De Poli, D.Bucurescu, C.A.Ur, P.B.Semmes, R.Wyss Rotational Bands in the Doubly Odd Nucleus 134Pr NUCLEAR REACTIONS 119Sn(19F, 4n), E=87 MeV; 110Pd(28Si, 3np), E=130 MeV; measured Eγ, Iγ, DCO ratios, γγ-coin, γ-multiplicity. 134Pr deduced levels, J, π, γ-branching, B(λ) ratios, experimental routhians, aligned angular momenta. Enriched targets, hyperpure Ge detectors, BGO suppression shields, 4π-BGO ball. Total routhian surface calculations, comparison with cranked shell model, semiclassical model and two-particle plus triaxial-rotor calculations.
doi: 10.1016/0375-9474(95)00416-5
1996WO04 Nucl.Phys. A600, 283 (1996) J.L.Wood, M.O.Kortelahti, E.F.Zganjar, P.B.Semmes Decay of Mass-Separated 189mHg(8.7 min) and 189gHg(7.7 min) to 189Au RADIOACTIVITY 189mHg(EC), (β+) [from 180Hf(16O, 7n), E=135 MeV]; 189gHg(EC), (β+) [from 181Ta(16O, 8n)189Tl, E=147 MeV]; measured Eγ, Iγ, I(ce), γγ(t), eγ(t), γ(X-ray)(t), e(X-ray)(t). 189Au deduced levels, J, π, ICC, γ multipolarity. Ge(Li), hyperpure Ge, Si(Li) detectors, mass-separated sources.
doi: 10.1016/0375-9474(95)00478-5
1995BR21 Nucl.Phys. A592, 194 (1995) J.B.Breitenbach, J.L.Wood, M.Jarrio, R.A.Braga, J.Kormicki, P.B.Semmes The Decay of 133Pm and the Structure of 133Nd RADIOACTIVITY 133Pm(β+), (EC) [from 92Mo(46Ti, 2n3p), E=246 MeV]; measured T1/2, Eγ, Iγ, I(ce), γγ(t), e(γ)(t), γ(X-ray)(t), ce(X-ray)(t). 133Nd deduced levels, J, π, ICC, γ-multipolarity, T1/2. Hyperpure Ge, Si(Li) detectors, mass-separated sources.
doi: 10.1016/0375-9474(95)00188-7
1995BR24 Nucl.Phys. A595, 481 (1995) J.B.Breitenbach, J.L.Wood, M.Jarrio, R.A.Braga, H.K.Carter, J.Kormicki, P.B.Semmes The Decays of Mass-Separated 133m,133gNd to 133Pr RADIOACTIVITY 133Nd(β+), (EC) [from 92Mo(46Ti, n4p), E=246 MeV]; measured Eγ, Iγ, I(ce), γγ(t), eγ(t), γ(X-ray)(t), e(X-ray)(t). 133mNd(β+), (EC) [from 92Mo(46Ti, 2n3p)133Pm(β+), E=246 MeV]; measured T1/2, Eγ, Iγ, I(ce), γγ(t), eγ(t), γ(X-ray)(t), e(X-ray)(t); deduced β+/EC, log ft, Q(EC). 133Pr deduced levels, J, π, ICC, γ-multipolarity. Hyperpure Ge, Si(Li) detectors, mass-separated sources.
doi: 10.1016/0375-9474(95)00366-5
1995RU07 Phys.Rev. C51, R2867 (1995) D.Rupnik, E.F.Zganjar, J.L.Wood, P.B.Semmes, W.Nazarewicz Coexistence Effects in 187Au: Evidence for nearly identical diabatic intruder structures RADIOACTIVITY 187mHg(EC), (β+) [from 176Hf(16O, 5n), E=125 MeV]; 187Hg (EC), (β+), (α) [from 187Tl(β+-decay) following production by 176Hf(19F, 8n), E=170 MeV]; measured Eγ, Iγ, I(ce), γγ-, γ(ce)-coin. 187Au deduced levels, J, π, ICC, band structure. Particle+triaxial rotor model.
doi: 10.1103/PhysRevC.51.R2867
1995SE05 Phys.Lett. 345B, 185 (1995) P.B.Semmes, I.Ragnarsson, S.Aberg Magnetic Dipole Transitions in Superdeformed Nuclei NUCLEAR STRUCTURE 194Hg, 194Tl; calculated superdeformed, rotational bands B(λ). Particle plus rotor model.
doi: 10.1016/0370-2693(94)01656-W
1995SH04 Phys.Rev. C51, 1720 (1995) D.T.Shi, W.C.Ma, A.V.Ramayya, J.H.Hamilton, B.R.S.Babu, J.Kormicki, L.Chaturvedi, Q.H.Lu, L.T.Brown, S.L.Tabor, M.A.Riley, J.Doring, D.E.Archer, T.Brown, S.K.Jewell, R.A.Kaye, O.J.Tekyi-Mensah, P.B.Semmes Ground-State Bands and Excitation Modes in 183Hg NUCLEAR REACTIONS 155Gd(32S, 4n), E=160 MeV; measured γγ-, γ(X-ray)-coin. 183Hg deduced high-spin levels, J, π, B(λ) ratios, γ-multipolarity, band structure, aligned angular momenta. Low energy photon spectrometer, BGO multiplicity filter.
doi: 10.1103/PhysRevC.51.1720
1993GE06 Nucl.Phys. A557, 439c (1993) A.Gelberg, D.Lieberz, P.von Brentano, I.Ragnarsson, P.B.Semmes, I.Wiedenhover Triaxial Deformation of Odd-A Xe and Ba Nuclides NUCLEAR STRUCTURE 123,125,127,129,131,133Xe, 127,129,131Ba; calculated levels, B(λ); deduced model parameter (γ), yrast states signature splitting. Triaxial rotor plus particle model.
doi: 10.1016/0375-9474(93)90560-K
1992CE05 Nucl.Phys. A542, 454 (1992) B.Cederwall, F.Liden, A.Johnson, L.Hildingsson, R.Wyss, B.Fant, S.Juutinen, P.Ahonen, S.Mitarai, J.Mukai, J.Nyberg, I.Ragnarsson, P.B.Semmes Signature Inversion in 120Cs: Evidence for a residual pn interaction NUCLEAR REACTIONS 92Mo(32S, n3p), E=145 MeV; measured Eγ, Iγ, σ(Eγ, θ), (particle)γγ-coin. 120Cs deduced levels, J, π, routhians, aligned angular momenta. Enriched targets, array of Compton suppressed hyperpure Ge detectors, array of neutron detectors, 4π array of Si charged particle detectors. Total routhian surface, two-particle plus triaxial rotor calculations.
doi: 10.1016/0375-9474(92)90106-T
1992LI08 Phys.Lett. 282B, 7 (1992) D.Lieberz, A.Gelberg, P.von Brentano, I.Ragnarsson, P.B.Semmes Signatures of γ Deformation in Nuclei and an Application to 125Xe NUCLEAR STRUCTURE 125Xe; calculated levels, g-factor, quadrupole moment, B(E2), T1/2. Rigid triaxial rotor plus particle model.
doi: 10.1016/0370-2693(92)90470-O
1992RI11 Hyperfine Interactions 75, 59 (1992) J.Rikovska, R.Wyss, P.B.Semmes Electromagnetic Properties and Shapes of Ground States in Pt-Au-Hg Region NUCLEAR STRUCTURE 193,191,189,187,183Pt, 195,193,191,189,187,185,183Au, 195,193,191,189,187,185,183Hg; calculated μ, quadrupole moments, deformation parameters vs mass. Particle-triaxial rotor model.
doi: 10.1007/BF02398964
1992SE01 Phys.Rev.Lett. 68, 460 (1992) P.B.Semmes, I.Ragnarsson, S.Aberg ' Invisible ' Decay of Superdeformed States NUCLEAR STRUCTURE 193,194Hg; calculated transition Iγ in superdeformed bands. 193Hg deduced internal conversion dominated M1 cross talk evidence.
doi: 10.1103/PhysRevLett.68.460
1992SE09 Hyperfine Interactions 75, 85 (1992) Nuclear Spins and Moments: Fundamental structural information NUCLEAR STRUCTURE 133Pm, 135,133Sm; calculated μ. Particle-rotor model.
doi: 10.1007/BF02398966
1991LI15 Nucl.Phys. A529, 1 (1991) D.Lieberz, A.Gelberg, A.Granderath, P.von Brentano, I.Ragnarsson, P.B.Semmes Triaxial Rotor Plus Particle Description of Negative-Parity States in 125Xe NUCLEAR STRUCTURE 125Xe; calculated levels, B(λ). Triaxial rotor plus particle model.
doi: 10.1016/0375-9474(91)90781-Z
1988JA10 Phys.Rev.Lett. 61, 2073 (1988) V.P.Janzen, M.P.Carpenter, L.L.Riedinger, W.Schmitz, S.Pilotte, S.Monaro, D.D.Rajnauth, J.K.Johansson, D.G.Popescu, J.C.Waddington, Y.S.Chen, F.Donau, P.B.Semmes Evidence for a Low-Frequency πh9/2 Band Crossing in 185Pt and 183Ir NUCLEAR REACTIONS 173Yb(16O, 4n), E=90 MeV; 168Er(19F, 4n), E=85 MeV; measured γγ-coin. 185Pt, 183Ir deduced levels, J, π, γ-branching, B(λ) ratio, band crossing. Cranked shell model. NUCLEAR STRUCTURE 185Pt, 183Ir; calculated levels, B(λ). Cranked shell model.
doi: 10.1103/PhysRevLett.61.2073
1988RA41 Hyperfine Interactions 43, 425 (1988) Description of Nuclear Moments and Nuclear Spectra in the Particle-Rotor Model NUCLEAR STRUCTURE 156,158,160,162Ho; calculated levels, μ, electric quadrupole moment. 186Hg; calculated total energy. 185Hg; calculated potential energy surfaces. 185Au; calculated levels, B(λ), δ. Particle-rotor model.
1987KE05 Phys.Rev. C36, 1514 (1987) B.D.Kern, R.L.Mlekodaj, G.A.Leander, M.O.Kortelahti, E.F.Zganjar, R.A.Braga, R.W.Fink, C.P.Perez, W.Nazarewicz, P.B.Semmes Transition through Triaxial Shapes of the Light Samarium Isotopes and the Beta Decay of 136,138,140Eu NUCLEAR REACTIONS 92Mo(48Ti, xnp), E=220 MeV; 112Sn(28Si, xnp), E=170, 190 MeV; measured Eγ, Iγ, γγ-coin. Enriched targets, Ge detectors, magnetic isotope separator. RADIOACTIVITY 136,138,140Eu(β+), (EC) [from 92Mo(48Ti, pxn), E=220 MeV; 112Sn(28Si, xnp), E=170, 190 MeV]; measured Eγ, Iγ, γγ-coin. 136,138,140Sm deduced levels. Enriched targets, Ge detectors, magnetic isotope separator. NUCLEAR STRUCTURE 136,138,140Sm; calculated levels. Wood-Saxon Strutinsky, triaxial models, interacting boson approximation.
doi: 10.1103/PhysRevC.36.1514
1987SE02 Phys.Rev. C35, 749 (1987) P.B.Semmes, R.A.Braga, J.C.Griffin, R.W.Fink L2-L3 Coster-Kronig Transition Probability for Z = 54 RADIOACTIVITY 131Cs(EC); measured (K X-ray)(L X-ray)-coin; deduced L2-L3 Coster-Kronig transition probability. Ge, Si-Li detectors.
doi: 10.1103/PhysRevC.35.749
1987SE03 Phys.Rev. C35, 844 (1987) P.B.Semmes, A.F.Barfield, B.R.Barrett, J.L.Wood Testing Interacting Boson Model Cores through Particle-Core Coupling: Negative parity states in the odd-mass Tl and Au isotopes NUCLEAR STRUCTURE 189,191,193,195Au, 191,193,195,197Tl; calculated levels. Interacting boson model.
doi: 10.1103/PhysRevC.35.844
1987SE04 Nucl.Phys. A464, 381 (1987) P.B.Semmes, R.A.Braga, R.W.Fink, J.L.Wood, J.D.Cole Decay of Mass-Separated 7.4 Min 203At RADIOACTIVITY 203At(β-) [from Ir(16O, xn), E=125 MeV]; measured T1/2, Eγ, Iγ, I(ce), I X-ray, γγ(t), γ(ce)(t), (ce)(X-ray)(t); deduced I(β+)/I(EC), Q(EC). 203Po deduced levels, J, π, ICC, γ-multipolarity. Ge(Li), hyperpure Ge, Si-Li detectors, mass separated sources.
doi: 10.1016/0375-9474(87)90306-X
1987WE06 Phys.Rev. C36, 431 (1987) J.C.Wells, N.R.Johnson, C.Baktash, I.Y.Lee, F.K.McGowan, M.N.Rao, L.L.Riedinger, V.Janzen, W.C.Ma, Shuxian Wen, Ze-Min Chen, P.B.Semmes, G.A.Leander, Y.S.Chen Low-Frequency Anomaly in 172Os Moment of Inertia NUCLEAR STRUCTURE 172Os; calculated dynamical moments of inertia. Cranked shell model, three-band-mixing calculations. NUCLEAR REACTIONS 144Nd(32S, 4n), E=162 MeV; measured Eγ, Iγ, γγ-coin. 172Os deduced levels, yrast sequence moments of inertia, J, π. Cranked shell model, three-band mixing calculations.
doi: 10.1103/PhysRevC.36.431
1986BR28 Nucl.Phys. A459, 359 (1986) R.A.Braga, P.B.Semmes, W.R.Western, R.W.Fink Decay of Mass-Separated 201mPo and 201gPo RADIOACTIVITY 201Po(EC), (β+), (α) [from 193Ir(14N, 6n), E=116 MeV]; 201Bi(EC), (β+), (α) [from 201Po decays]; measured T1/2, Eγ, Iγ, I(ce), γγ(t), γ(X-ray)(t). 201Bi deduced levels, J, π, ICC, γ-multipolarity. 201Po deduced (EC+β+)/IT branching ratio. Ge(Li), Si-Li detectors, mass separated sources.
doi: 10.1016/0375-9474(86)90139-9
1986CH40 Phys.Rev. C34, 1935 (1986) Y.S.Chen, P.B.Semmes, G.A.Leander Calculation of M1 Transition Rates at High Spin in Axial Nuclei NUCLEAR STRUCTURE 165Lu, 81Kr, 166Hf; calculated yrast levels, g factors, B(M1). Cranking, particle-rotor models.
doi: 10.1103/PhysRevC.34.1935
1986RA07 Phys.Rev.Lett. 57, 667 (1986) M.N.Rao, N.R.Johnson, F.K.McGowan, I.Y.Lee, C.Baktash, M.Oshima, J.W.McConnell, J.C.Wells, A.Larabee, L.L.Riedinger, R.Bengtsson, Z.Xing, Y.S.Chen, P.B.Semmes, G.A.Leander Loss of Collectivity at High Spin in 172W and a Three-Band Interpretation of First Yrast Upbends NUCLEAR REACTIONS 124Sn(52Cr, 4n), E=230 MeV; measured γγ-coin, Doppler shift recoil distance. 172W deduced levels, J, π, T1/2, yrast sequence, dynamical moment of inertia, configuration, transition quadrupole moments.
doi: 10.1103/PhysRevLett.57.667
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