NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = C.N.Davids Found 192 matches. Showing 1 to 100. [Next]2017DI02 Phys.Rev. C 95, 024301 (2017) B.Ding, Z.Liu, D.Seweryniak, P.J.Woods, H.L.Wang, J.Yang, H.L.Liu, C.N.Davids, M.P.Carpenter, T.Davinson, R.V.F.Janssens, R.D.Page, A.P.Robinson, J.Shergur, S.Sinha, S.Zhu, X.D.Tang, J.G.Wang, T.H.Huang, W.Q.Zhang, M.D.Sun, X.Y.Liu, H.Y.Lu First identification of excited states in 117Ba using the recoil-β-delayed proton tagging technique NUCLEAR REACTIONS 64Zn(58Ni, 3n2p), E=305 MeV; measured Eγ, Iγ, (delayed protons)γ-coin, recoil-βp decay tagging using fragment mass analyzer (FMA), and Gammasphere array at ATLAS-ANL facility. 117Ba; deduced high-spin levels, J, π, bands, alignments, Routhian energies, configurations. Comparison with cranked shell-model calculations. Level-spacing systematics for negative- and positive-parity bands in 117,119,121,123,125,127,129Ba.
doi: 10.1103/PhysRevC.95.024301
2012SM04 Phys.Rev. C 86, 034303 (2012) J.F.Smith, L.J.Angus, E.S.Paul, C.J.Chiara, M.P.Carpenter, H.J.Chantler, P.T.W.Choy, C.N.Davids, M.Devlin, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, N.S.Kelsall, T.Koike, D.R.LaFosse, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson γ-ray spectroscopy of neutron-deficient 123Ce NUCLEAR REACTIONS 64Zn(64Zn, nα), E=260 MeV; measured Eγ, Iγ, γγ-, γγ(particle)-coin, γγ(θ)(ADO) using Gammasphere array, Microball array and Neutron Wall at ATLAS facility in ANL. 123Ce; deduced levels, J, π, rotational bands, multipolarity, deformation parameters β2, γ and β4, alignments, configurations. 74Br, 119Ba, 121,122La, 122Ce; measured Eγ, Iγ, γγ-coin, γγ(θ) in nuclei formed in competing channels. Comparison with Total Routhian surface (TRS) and cranked shell-model (CSM) calculations. Systematics of bands and alignments in 122,123,124,125,127,129Ce, and 122,123La.
doi: 10.1103/PhysRevC.86.034303
2012WA10 Phys.Rev. C 85, 034329 (2012) P.T.Wady, J.F.Smith, E.S.Paul, B.Hadinia, C.J.Chiara, M.P.Carpenter, C.N.Davids, A.N.Deacon, S.J.Freeman, A.N.Grint, R.V.F.Janssens, B.P.Kay, T.Lauritsen, C.J.Lister, B.M.McGuirk, M.Petri, A.P.Robinson, D.Seweryniak, D.Steppenbeck, S.Zhu γ-ray spectroscopy of the odd-odd N=Z+2 deformed proton emitter 112Cs NUCLEAR REACTIONS 58Ni(58Ni, 3np)112Cs, E=260 MEV; measured Eγ, Iγ, pγ-, γγ-coin, Ep, half-life, recoil-decay tagging method using Gammasphere array at ATLAS facility. 112Cs; deduced high-spin levels, J, π, band, multipolarity, configuration, alignment plots. Systematics of excitation energies, quadrupole deformation and alignments in A=110-126 odd-odd Cs isotopes, cranked shell model (CSM) calculations. 109,111Sb, 109,110,111,112Te, 112,113I; measured Eγ from competing channels. RADIOACTIVITY 112Cs(p)[from 58Ni(58Ni, 3np), E=260 MEV]; measured E(p), I(p), Eγ, Iγ, half-life. Evidence for fine structure in 112Cs proton decay. 111Xe; deduced possible level. 109I, 113Cs(p); measured E(p).
doi: 10.1103/PhysRevC.85.034329
2011LI28 Phys.Lett. B 702, 24 (2011) Z.Liu, D.Seweryniak, P.J.Woods, C.N.Davids, M.P.Carpenter, T.Davinson, R.V.F.Janssens, R.D.Page, A.P.Robinson, J.Shergur, S.Sinha, X.D.Tang, F.R.Xu, S.Zhu Structure of the proton emitter 117La studied by proton and γ-ray spectroscopy RADIOACTIVITY 117La(p) [from 64Zn(58Ni, 4np), E=305 MeV]; measured reaction products, Eγ, Iγ; deduced ground-state proton decay, Q-value, T1/2, prompt γ-rays, no evidence of isomeric state. Comparison with theoretical predictions.
doi: 10.1016/j.physletb.2011.06.058
2011RO20 Phys.Rev. C 83, 064311 (2011) A.P.Robinson, T.L.Khoo, D.Seweryniak, I.Ahmad, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, J.Greene, P.T.Greenlees, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, F.G.Kondev, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.McCutchan, P.Papadakis, D.Peterson, J.Qian, D.Rostron, U.Shirwadkar, I.Stefanescu, S.K.Tandel, X.Wang, S.Zhu Search for a 2-quasiparticle high-K isomer in 256Rf NUCLEAR STRUCTURE 256Rf; calculated ground state and rotational band energies, configurations using Woods-Saxon Potential. NUCLEAR REACTIONS 208Pb(50Ti, 2n), E=240 MeV; measured Eγ, Iγ, ce, γγ-, γ(ce)-coin, γ(t), half-life. 256Rf; deduced levels, J, π, isomers, configurations; calculated energies of two-quasiparticle high-K isomers with the universal Woods-Saxon energies. 170Er(50Ti, 4n)216Th, E=222 MeV; measured Eγ, ce, γ(ce)-coin from isomer, half-life, isomer ratio; used as a test case.
doi: 10.1103/PhysRevC.83.064311
2011SA71 Hyperfine Interactions 199, 301 (2011) G.Savard, R.C.Pardo, S.Baker, C.N.Davids, A.Levand, D.Peterson, D.G.Phillips, T.Sun, R.Vondrasek, B.J.Zabransky, G.P.Zinkann CARIBU: a new facility for the study of neutron-rich isotopes
doi: 10.1007/s10751-011-0325-5
2010SE10 Nucl.Phys. A834, 357c (2010) D.Seweryniak, T.L.Khoo, I.Ahmad, F.G.Kondev, A.Robinson, S.K.Tandel, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.A.McCutchan, T.Nakatsukasa, P.Papadakis, D.Peterson, J.Qian, D.Rostron, I.Stefanescu, U.S.Tandel, X.F.Wang, S.F.Zhu Bridging the nuclear structure gap between stable and super heavy nuclei NUCLEAR STRUCTURE 249Bk; calculated single-proton energies using different interactions; 252,254No, 256,257Rf; deduced configurations. Comparison with data.
doi: 10.1016/j.nuclphysa.2010.01.039
2008RO21 Phys.Rev. C 78, 034308 (2008) A.P.Robinson, T.L.Khoo, I.Ahmad, S.K.Tandel, F.G.Kondev, T.Nakatsukasa, D.Seweryniak, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, G.D.Jones, T.Lauritsen, C.J.Lister, D.Peterson, J.Qian, U.S.Tandel, X.Wang, S.Zhu Kπ = 8- isomers and Kπ = 2- octupole vibrations in N = 150 shell-stabilized isotones NUCLEAR REACTIONS 206Pb(48Ca, 2n), E=217 MeV; measured Eγ, Iγ, conversion electron spectra, γγ-, (ce)γ-coin, half-life. 252No; deduced levels, J, π. 244Pu, 248Cf, 250Fm; systematics of 2- and 8- states. RADIOACTIVITY 246Am(β-) [from 244Pu(α, pn), E=42 MeV]; measured Eγ, Iγ, conversion electron spectra, γγ-, (ce)γ-spectra, isomer half-life. 246Cm; deduced levels, J, π.
doi: 10.1103/PhysRevC.78.034308
2007SE06 Phys.Rev.Lett. 99, 082502 (2007) D.Seweryniak, B.Blank, M.P.Carpenter, C.N.Davids, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, A.Robinson, C.Scholey, S.Sinha, J.Shergur, K.Starosta, W.B.Walters, A.Woehr, P.J.Woods Effect of a Triaxial Nuclear Shape on Proton Tunneling: The Decay and Structure of 145Tm NUCLEAR REACTIONS 58Ni(92Mo, 4np), E=417 MeV; measured Eγ, Iγ, Ep, pγ-coinc. 145Tm deduced levels, J, π.
doi: 10.1103/PhysRevLett.99.082502
2006JI06 Phys.Lett. B 640, 18 (2006) C.L.Jiang, B.B.Back, H.Esbensen, R.V.F.Janssens, S.Misicu, K.E.Rehm, P.Collon, C.N.Davids, J.Greene, D.J.Henderson, L.Jisonna, S.Kurtz, C.J.Lister, M.Notani, M.Paul, R.Pardo, D.Peterson, D.Seweryniak, B.Shumard, X.D.Tang, I.Tanihata, X.Wang, S.Zhu First evidence of fusion hindrance for a small Q-value system NUCLEAR REACTIONS 64Ni(28Si, X), E=63-95 MeV; measured fusion-evaporation σ, fusion excitation function; deduced hindrance at sub-barrier energies. Coupled-channels analysis.
doi: 10.1016/j.physletb.2006.07.007
2006KU07 Nucl.Phys. A767, 1 (2006) J.Kurcewicz, Z.Liu, M.Pfutzner, P.J.Woods, C.Mazzocchi, K.-H.Schmidt, A.Kelic, F.Attallah, E.Badura, C.N.Davids, T.Davinson, J.Doring, H.Geissel, M.Gorska, R.Grzywacz, M.Hellstrom, Z.Janas, M.Karny, A.Korgul, I.Mukha, C.Plettner, A.Robinson, E.Roeckl, K.Rykaczewski, K.Schmidt, D.Seweryniak, K.Summerer, H.Weick Production cross-sections of protactinium and thorium isotopes produced in fragmentation of 238U at 1 A GeV NUCLEAR REACTIONS Be(238U, X), E=1 GeV/nucleon; measured Th and Pa fragments isotopic production σ; deduced evidence for 208Th, 211Pa. Comparison with previous results and model predictions.
doi: 10.1016/j.nuclphysa.2005.12.008
2006PE17 Phys.Rev. C 74, 014316 (2006) D.Peterson, B.B.Back, R.V.F.Janssens, T.L.Khoo, C.J.Lister, D.Seweryniak, I.Ahmad, M.P.Carpenter, C.N.Davids, A.A.Hecht, C.L.Jiang, T.Lauritsen, X.Wang, S.Zhu, F.G.Kondev, A.Heinz, J.Qian, R.Winkler, P.Chowdhury, S.K.Tandel, U.S.Tandel Decay modes of 250No RADIOACTIVITY 250No(SF) [from 204Pb(48Ca, 2n)]; measured T1/2 for ground and isomeric state decay; deduced upper limit for α-decay branching ratio. 219,220Th(α) [from 176Yb(48Ca, xn)]; measured T1/2.
doi: 10.1103/PhysRevC.74.014316
2006SE08 Phys.Rev. C 73, 061301 (2006) D.Seweryniak, K.Starosta, C.N.Davids, S.Gros, A.A.Hecht, N.Hoteling, T.L.Khoo, K.Lagergren, G.Lotay, D.Peterson, A.Robinson, C.Vaman, W.B.Walters, P.J.Woods, S.Zhu α decay of 105Te RADIOACTIVITY 105Te(α) [from 50Cr(58Ni, 3n)]; measured Qα, T1/2. Comparison with neighboring isotopes, model predictions.
doi: 10.1103/PhysRevC.73.061301
2006SM02 Phys.Rev. C 73, 061303 (2006) J.F.Smith, A.M.Fletcher, C.J.Chiara, M.P.Carpenter, H.J.Chantler, C.N.Davids, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, T.Koike, F.G.Kondev, D.R.LaFosse, J.C.Lisle, D.Patel, E.S.Paul, W.Reviol, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson First observation of excited states in 114Cs: Spectroscopy of the yrast ν(h11/2) (X) π(h11/2) band NUCLEAR REACTIONS 58Ni(58Ni, np), E=230 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (recoil)γ-coin. 114Cs deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.73.061303
2006SM04 Phys.Rev. C 74, 034310 (2006) J.F.Smith, C.J.Chiara, M.P.Carpenter, C.N.Davids, M.Devlin, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, D.R.LaFosse, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, R.Wyss Excited states and signature inversion in 116Cs NUCLEAR REACTIONS 58Ni(64Zn, npα), E=265 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 116Cs deduced high-spin levels, J, π, configurations, signature inversion. Gammasphere, Microball arrays.
doi: 10.1103/PhysRevC.74.034310
2006TA19 Phys.Rev.Lett. 97, 082502 (2006) S.K.Tandel, T.L.Khoo, D.Seweryniak, G.Mukherjee, I.Ahmad, B.Back, R.Blinstrup, M.P.Carpenter, J.Chapman, P.Chowdhury, C.N.Davids, A.A.Hecht, A.Heinz, P.Ikin, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, C.J.Lister, E.F.Moore, D.Peterson, P.Reiter, U.S.Tandel, X.Wang, S.Zhu K Isomers in 254No: Probing Single-Particle Energies and Pairing Strengths in the Heaviest Nuclei NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=217 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), (ce)γ-coin, X-ray spectra. 254No deduced levels, J, π, isomeric states T1/2, configurations, deformation. Mass separator, recoil-decay tagging.
doi: 10.1103/PhysRevLett.97.082502
2005BA51 Phys.Rev. C 71, 054302 (2005) A.M.Baxter, A.P.Byrne, G.D.Dracoulis, P.M.Davidson, T.Kibedi, R.V.F.Janssens, M.P.Carpenter, C.N.Davids, T.L.Khoo, T.Lauritsen Spherical and deformed structures in 189Pb NUCLEAR REACTIONS 158Gd(36Ar, 5n), E=178 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 164Er(29Si, 4n), E=140 MeV; measured delayed Eγ, Iγ, γγ-coin. 189Pb deduced levels, J, π, configurations, deformation, isomer T1/2. Level systematics in neighboring isotopes discussed. Recoil mass spectrometer, pulsed beams.
doi: 10.1103/PhysRevC.71.054302
2005JI02 Phys.Rev. C 71, 044613 (2005) C.L.Jiang, K.E.Rehm, H.Esbensen, R.V.F.Janssens, B.B.Back, C.N.Davids, J.P.Greene, D.J.Henderson, C.J.Lister, R.C.Pardo, T.Pennington, D.Peterson, D.Seweryniak, B.Shumard, S.Sinha, X.D.Tang, I.Tanihata, S.Zhu, P.Collon, S.Kurtz, M.Paul Hindrance of heavy-ion fusion at extreme sub-barrier energies in open-shell colliding systems NUCLEAR REACTIONS 100Mo(64Ni, X), E=196-262 MeV; measured fusion-evaporation σ, fusion excitation function; deduced hindrance at sub-barrier energies. 58,60,64Ni, 74Ge, 90,91,94Zr, 92,100Mo, 124Sn(58Ni, X), 89Y(60Ni, X), 64Ni, 74Ge, 92,96Zr, 92,100Mo, 124Sn(64Ni, X), E(cm) ≈ 120 MeV; analyzed fusion σ, sub-barrier hindrance.
doi: 10.1103/PhysRevC.71.044613
2005LI17 Nucl.Instrum.Methods Phys.Res. A543, 591 (2005) Z.Liu, J.Kurcewicz, P.J.Woods, C.Mazzocchi, F.Attallah, E.Badura, C.N.Davids, T.Davinson, J.Doring, H.Geissel, M.Gorska, R.Grzywacz, M.Hellstrom, Z.Janas, M.Karny, A.Korgul, I.Mukha, M.Pfutzner, C.Plettner, A.Robinson, E.Roeckl, K.Rykaczewski, K.Schmidt, D.Seweryniak, H.Weick Decay spectroscopy of suburanium isotopes following projectile fragmentation of 238U at 1 GeV/u NUCLEAR REACTIONS Be(238U, X)207Ac/208Ac/209Ac/210Ac/211Ac/212Ac/213Ac/214Ac/215Ac/216Ac/217Ac/218Ac/219Ac/220Ac/221Ac/211Th/212Th/213Th/214Th/215Th/216Th/217Th/218Th/219Th/220Th/221Th/222Th/223Th/216Pa/217Pa/218Pa/219Pa/220Pa/221Pa/222Pa/223Pa/224Pa/225Pa/226Pa/227Pa, E=1 GeV/nucleon; measured (fragment)(decay)-coin, fragment yields. Fragment separator. RADIOACTIVITY 216,217,221,222Th, 216Ac, 215Ra, 214Fr, 213Rn(α) [from Be(238U, X) and subsequent decay]; measured Eα, T1/2. Fragment separator.
doi: 10.1016/j.nima.2004.12.023
2005RE14 Phys.Rev.Lett. 95, 032501 (2005) P.Reiter, T.L.Khoo, I.Ahmad, A.V.Afanasjev, A.Heinz, T.Lauritsen, C.J.Lister, D.Seweryniak, P.Bhattacharyya, P.A.Butler, M.P.Carpenter, A.J.Chewter, J.A.Cizewski, C.N.Davids, J.P.Greene, P.T.Greenlees, K.Helariutta, R.-D.Herzberg, R.V.F.Janssens, G.D.Jones, R.Julin, H.Kankaanpaa, H.Kettunen, F.G.Kondev, P.Kuusiniemi, M.Leino, S.Siem, A.A.Sonzogni, J.Uusitalo, I.Wiedenhover Structure of the Odd-A, Shell-Stabilized Nucleus 253102No NUCLEAR REACTIONS 207Pb(48Ca, 2n), E=219 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 253No deduced high-spin levels, J, π, configurations. Gammasphere array, fragment separator.
doi: 10.1103/PhysRevLett.95.032501
2005RO19 Phys.Rev.Lett. 95, 032502 (2005) A.P.Robinson, P.J.Woods, D.Seweryniak, C.N.Davids, M.P.Carpenter, A.A.Hecht, D.Peterson, S.Sinha, W.B.Walters, S.Zhu Ground State Proton Radioactivity from 121Pr: When Was This Exotic Nuclear Decay Mode First Discovered ? RADIOACTIVITY 121Pr(p) [from 92Mo(36Ar, 6np)]; measured Ep, T1/2. 121Pr deduced ground-state J, deformation. Comparison with previous results.
doi: 10.1103/PhysRevLett.95.032502
2005RO40 Eur.Phys.J. A 25, Supplement 1, 155 (2005) A.P.Robinson, C.N.Davids, D.Seweryniak, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, C.Scholey, J.Shergur, S.Sinha, A.A.Sonzogni, W.B.Walters, A.Woehr Recoil decay tagging study of 146Tm NUCLEAR REACTIONS 58Ni(92Mo, 3np), E not given; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 146Tm deduced levels, J, π. Gammasphere array, recoil-decay tagging. RADIOACTIVITY 146Tm(p) [from 58Ni(92Mo, X)]; measured Eγ, Ep, T1/2 following proton decay from ground and excited states. 146Tm, 145Er deduced levels, J, π, configurations.
doi: 10.1140/epjad/i2005-06-143-8
2005SE11 Phys.Rev. C 71, 054319 (2005) D.Seweryniak, J.Uusitalo, P.Bhattacharyya, M.P.Carpenter, J.A.Cizewski, K.Y.Ding, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, A.O.Macchiavelli, D.Nisius, P.Reiter, W.B.Walters, P.J.Woods Multiparticle configurations in N = 84 isotones located at the proton drip line NUCLEAR REACTIONS 102Pd(58Ni, 2n), (58Ni, 2np), (58Ni, 2n2p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 156Hf, 157Ta, 158W deduced levels, J, π, isomeric states T1/2. Gammasphere array, recoil-decay tagging, shell model calculations.
doi: 10.1103/PhysRevC.71.054319
2005SE21 J.Phys.(London) G31, S1503 (2005) D.Seweryniak, C.N.Davids, A.Robinson, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, J.Shergur, S.Sinha, A.A.Sonzogni, W.B.Walters, A.Woehr Proton decay: spectroscopic probe beyond the proton drip line RADIOACTIVITY 130Eu, 135Tb, 145,146Tm(p); analyzed proton-decay data.
doi: 10.1088/0954-3899/31/10/021
2005SE26 Eur.Phys.J. A 25, Supplement 1, 159 (2005) D.Seweryniak, C.N.Davids, A.Robinson, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, J.Shergur, S.Sinha, A.A.Sonzogni, W.B.Walters, A.Woehr Particle-core coupling in the transitional proton emitters 145, 146, 147Tm NUCLEAR REACTIONS 58Ni(92Mo, 2np), E=512 MeV; 58Ni(92Mo, 3np), E=460 MeV; 58Ni(92Mo, 4np), E=417 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 145,146,147Tm deduced levels, J, π, proton-decay features. Gammasphere array, recoil-decay tagging. Comparison with Particle Rotor model predictions. RADIOACTIVITY 145Tm(p) [from 58Ni(92Mo, 4np)]; measured Ep, Eγ, pγ-coin.
doi: 10.1140/epjad/i2005-06-166-1
2005SH24 Phys.Rev. C 71, 064323 (2005) J.Shergur, D.J.Dean, D.Seweryniak, W.B.Walters, A.Wohr, P.Boutachkov, C.N.Davids, I.Dillmann, A.Juodagalvis, G.Mukherjee, S.Sinha, A.Teymurazyan, I.Zartova Identification of low-spin states in 111Sb: Test of spin-orbit coupling in light nuclei RADIOACTIVITY 111Te(β+), (EC) [from 58Ni(56Fe, n2p)]; measured Eγ, Iγ, γγ-coin, T1/2. 111Sb deduced levels, J, π. Mass separator, comparisons with shell-model predictions and level systematics in neighboring isotopes.
doi: 10.1103/PhysRevC.71.064323
2005SH53 Eur.Phys.J. A 25, Supplement 1, 121 (2005) J.Shergur, N.Hoteling, A.Wohr, W.B.Walters, O.Arndt, B.A.Brown, C.N.Davids, D.J.Dean, K.-L.Kratz, B.Pfeiffer, D.Seweryniak, and the ISOLDE Collaboration New level information on Z = 51 isotopes, 111Sb60 and 134, 135Sb83, 84 RADIOACTIVITY 111Te(β+) [from 58Ni(56Fe, 2pn)]; 135Sn(β-), (β-n) [from U(p, F), E=1.4 GeV]; measured Eγ, Iγ, γγ-coin following decay of mass-separated sources. 111,134,135Sb deduced levels, J, π. Comparison with model calculations.
doi: 10.1140/epjad/i2005-06-071-7
2005SM07 Phys.Lett. B 625, 203 (2005) J.F.Smith, C.J.Chiara, M.P.Carpenter, H.J.Chantler, P.T.W.Choy, C.N.Davids, M.Devlin, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, N.S.Kelsall, T.Koike, D.R.LaFosse, E.S.Paul, P.Reiter, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, P.-H.Heenen First observation of very neutron-deficient 122Ce NUCLEAR REACTIONS 64Zn(64Zn, 2nα), E=260 MeV; measured Eγ, Iγ, γγ-, nγ-, (charged particle)γ-, (recoil)γ-coin. 122Ce deduced levels, J, π, rotational band, angular distribution ratios, transition multipolarities, quadrupole deformation parameter. Microball and Gammasphere arrays, comparison with Woods-Saxon cranking predictions.
doi: 10.1016/j.physletb.2005.08.035
2004DA04 Phys.Rev. C 69, 011302 (2004) C.N.Davids, P.J.Woods, H.Mahmud, T.Davinson, A.Heinz, J.J.Ressler, K.Schmidt, D.Seweryniak, J.Shergur, A.A.Sonzogni, W.B.Walters Proton decay of the highly deformed odd-odd nucleus 130Eu RADIOACTIVITY 130Eu(p) [from 58Ni(78Kr, 5np)]; measured Ep, T1/2. 130Eu deduced ground-state J, π. Mass separator, comparison with model predictions. NUCLEAR REACTIONS 58Ni(78Kr, 5np), E=425 MeV; measured (recoil)(proton)-coin; deduced evidence for 130Eu. Mass separator.
doi: 10.1103/PhysRevC.69.011302
2004DA10 Phys.Rev. C 69, 034314 (2004) Decay rate of triaxially deformed proton emitters RADIOACTIVITY 141Ho(p); calculated decay rate, branching ratio vs triaxial deformation parameter.
doi: 10.1103/PhysRevC.69.034314
2004GO38 Phys.Rev. C 70, 014309 (2004); Erratum Phys.Rev. C 70, 029902 (2004) J.TM.Goon, D.J.Hartley, L.L.Riedinger, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, K.H.Abu Saleem, I.Ahmad, H.Amro, J.A.Cizewski, C.N.Davids, M.Danchev, T.L.Khoo, A.Heinz, T.Lauritsen, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, D.Seweryniak, M.B.Smith, I.Wiedenhover, J.Zhang Shape coexistence and band crossings in 174Pt NUCLEAR REACTIONS 92Mo(84Sr, 2p), E=380 MeV; 94Mo(84Sr, 2n2p), E=385 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 174Pt deduced high-spin levels, J, π, configurations, shape coexistence features. Gammasphere, fragment separator, cranked mean-field calculations. RADIOACTIVITY 174Pt(α) [from 92,94Mo(84Sr, xnyp)]; measured Eα.
doi: 10.1103/PhysRevC.70.014309
2004JI05 Phys.Rev.Lett. 93, 012701 (2004) C.L.Jiang, K.E.Rehm, R.V.F.Janssens, H.Esbensen, I.Ahmad, B.B.Back, P.Collon, C.N.Davids, J.P.Greene, D.J.Henderson, G.Mukherjee, R.C.Pardo, M.Paul, T.O.Pennington, D.Seweryniak, S.Sinha, Z.Zhou Influence of Nuclear Structure on Sub-Barrier Hindrance in Ni + Ni Fusion NUCLEAR REACTIONS 64Ni(64Ni, X), E=171-220 MeV; measured fusion excitation function; deduced structure effects in sub-barrier hindrance. Comparison with similar reactions.
doi: 10.1103/PhysRevLett.93.012701
2004JI07 Prog.Theor.Phys.(Kyoto), Suppl. 154, 61 (2004) C.L.Jiang, H.Esbensen, K.E.Rehm, B.B.Back, R.V.F.Janssens, C.N.Davids, J.P.Greene, D.J.Henderson, G.Mukherjee, R.C.Pardo, T.O.Pennington, D.Seweryniak, S.Sinha, Z.Zhou, M.Paul, P.Collon, J.A.Caggiano, A.M.Heinz, I.Nishinaka Systematics of Heavy-Ion Fusion Reactions at Extreme Sub-Barrier Energies NUCLEAR REACTIONS 64Ni(64Ni, X), E=172-212 MeV; measured fusion excitation function; deduced barrier distribution. Fragment mass analyzer, S-factor analysis, fusion reaction systematics discussed.
doi: 10.1143/PTPS.154.61
2004MU16 Phys.Rev. C 69, 064315 (2004) W.F.Mueller, W.Reviol, M.P.Carpenter, R.V.F.Janssens, F.G.Kondev, K.Abu Saleem, I.Ahmad, H.Amro, C.R.Bingham, J.Caggiano, C.N.Davids, D.Hartley, A.Heinz, B.Herskind, D.Jenkins, T.L.Khoo, T.Lauritsen, W.C.Ma, J.Ressler, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.G.Varmette, I.Wiedenhover, R.Wadsworth High-spin states in 179Au: Spectroscopy of shape-driving orbitals beyond the neutron midshell NUCLEAR REACTIONS 104Ru(78Kr, 2np), E=340 MeV; 90Zr(90Zr, p), E=369, 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 179Au deduced high-spin levels, J, π, configurations. Level systematics in neighboring isotopes compared. Gammasphere array, mass separator, recoil-decay tagging.
doi: 10.1103/PhysRevC.69.064315
2004SM02 Phys.Rev. C 69, 034339 (2004) J.F.Smith, V.Medina-Chico, C.J.Chiara, M.P.Carpenter, C.N.Davids, M.Devlin, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, D.R.LaFosse, M.J.Leddy, P.Reiter, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, J.N.Wilson High-spin spectroscopy and quasiparticle alignments in 124, 125Ce NUCLEAR REACTIONS 64Zn(64Zn, 2n2p), (64Zn, n2p), E=260 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 124,125Ce deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Gammasphere, Microball arrays. Cranked mean-field model analysis.
doi: 10.1103/PhysRevC.69.034339
2004WO07 Phys.Rev. C 69, 051302 (2004) P.J.Woods, P.Munro, D.Seweryniak, C.N.Davids, T.Davinson, A.Heinz, H.Mahmud, F.Sarazin, J.Shergur, W.B.Walters, A.Woehr Proton decay of the highly deformed nucleus 135Tb RADIOACTIVITY 135Tb(p) [from 92Mo(50Cr, 6np)]; measured Ep, T1/2. 135Tb deduced level J, π, configuration, deformation. Mass separator. NUCLEAR REACTIONS 92Mo(50Cr, 6np), E=310 MeV; measured delayed Ep, (recoil)(decay)-coin; deduced production σ.
doi: 10.1103/PhysRevC.69.051302
2004WO16 Nucl.Phys. A742, 349 (2004) A.Wohr, A.Aprahamian, P.Boutachkov, J.L.Galache, J.Gorres, M.Shawcross, A.Teymurazyan, M.C.Wiescher, D.S.Brenner, C.N.Davids, S.M.Fischer, A.M.Heinz, R.V.F.Janssens, D.Seweryniak The N = Z rp-process waiting-point nucleus 68Se and its astrophysical implications RADIOACTIVITY 68Se(EC), (β+) [from 12C(58Ni, 2n)]; measured Eγ, Eβ, βγ-coin; deduced Q(EC). 68Se deduced mass excess. 68As deduced transitions. Fragment mass analyzer. NUCLEAR REACTIONS 68Se, 69Br(p, γ), E not given; analyzed mass data; deduced reaction Q-values. Astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2004.06.024
2003CH23 Phys.Rev. C 67, 044611 (2003) R.J.Charity, L.G.Sobotka, J.F.Dempsey, M.Devlin, S.Komarov, D.G.Sarantites, A.L.Caraley, R.T.deSouza, W.Loveland, D.Peterson, B.B.Back, C.N.Davids, D.Seweryniak Temperature and n-p asymmetry dependencies of the level-density parameter in Ni+Mo fusion reactions NUCLEAR REACTIONS 92,100Mo(60Ni, X), E=5-9 MeV/nucleon; measured evaporation residue velocity and angular distributions, mass distributions, neutron and light charged particle spectra; deduced reaction mechanism features. Comparison with statistical model predictions.
doi: 10.1103/PhysRevC.67.044611
2003DA06 Phys.Rev. C 67, 014312 (2003) M.Danchev, D.J.Hartley, F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, L.L.Riedinger, K.H.Abu Saleem, I.Ahmad, H.Amro, D.L.Balabanski, J.A.Cizewski, C.N.Davids, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, M.B.Smith, D.Seweryniak, I.Wiedenhover In-beam γ-ray spectroscopy of 172Pt NUCLEAR REACTIONS 92Mo(84Sr, 2n2p), E=390, 395 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 172Pt deduced levels, possible J, π, configurations. Gammasphere array, recoil-decay tagging, level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.67.014312
2003DO01 Phys.Rev. C 67, 014315 (2003) J.Doring, R.A.Kaye, A.Aprahamian, M.W.Cooper, J.Daly, C.N.Davids, R.C.de Haan, J.Gorres, S.R.Lesher, J.J.Ressler, D.Seweryniak, E.J.Stech, A.Susalla, S.L.Tabor, J.Uusitalo, W.B.Walters, M.Wiescher Rotational and vibrational excitations in 84Zr studied through in-beam and 84Nb β-decay spectroscopy NUCLEAR REACTIONS 59Co(28Si, 2np), E=99 MeV; 58Ni(32S, 2pα), E=135 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 84Zr deduced levels, J, π, rotational and vibrational excitations, deformation. Comparison with level systematics in neighboring nuclides. RADIOACTIVITY 84Nb(EC) [from 58Ni(28Si, np)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2; deduced log ft. 84Zr deduced levels, J, π. Mass-separated source.
doi: 10.1103/PhysRevC.67.014315
2003RO21 Phys.Rev. C 68, 054301 (2003) A.P.Robinson, C.N.Davids, G.Mukherjee, D.Seweryniak, S.Sinha, P.Wilt, P.J.Woods Proton decay study of 150Lu and 150Lum RADIOACTIVITY 150,150mLu(p) [from 96Ru(58Ni, 3np)]; measured Ep, T1/2. Mass separator. Comparison with model predictions.
doi: 10.1103/PhysRevC.68.054301
2003SE16 Acta Phys.Pol. B34, 2419 (2003) D.Seweryniak, C.N.Davids, A.Heinz, G.Mukherjee, P.J.Woods, T.Davinson, H.Mahmud, P.Munro, A.Robinson, J.J.Ressler, J.Shergur, W.B.Walters, A.Wohr Proton emitters: A laboratory for detailed nuclear structure studies beyond the drip line
2003SM01 Phys.Lett. 551B, 262 (2003) M.B.Smith, J.A.Cizewski, M.P.Carpenter, F.G.Kondev, T.L.Khoo, T.Lauritsen, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, I.Wiedenhover Limits of the energy-spin space beyond the proton drip line: entry distributions of Pt and Au isobars NUCLEAR REACTIONS 92,94,96Mo(84Sr, xnyp)173mAu/175Au/172Pt/173Pt/174Pt/175Pt/176Pt, E=380-390 MeV; measured Eγ, Iγ, (recoil)γ-coin, γ multiplicity and sum energy; deduced compound nuclei energy-spin entry distributions. Gammasphere, mass separator, recoil-decay tagging.
doi: 10.1016/S0370-2693(02)03051-4
2002CH38 Phys.Rev. C66, 014311 (2002) H.J.Chantler, E.S.Paul, A.J.Boston, M.P.Carpenter, R.Charity, C.J.Chiara, P.T.W.Choy, C.N.Davids, M.Devlin, A.M.Fletcher, D.B.Fossan, D.G.Jenkins, N.S.Kelsall, T.Koike, D.R.LaFosse, P.J.Nolan, D.G.Sarantites, D.Seweryniak, J.F.Smith, K.Starosta, R.Wadsworth, A.N.Wilson Signature Inversion in Doubly Odd 124La NUCLEAR REACTIONS 64Zn(64Zn, n3p), E=260 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-, (recoil)γ-coin. 124La deduced high-spin levels, possible J, π, δ, configurations, signature inversion. Cranked mean-field calculations.
doi: 10.1103/PhysRevC.66.014311
2002CU01 Phys.Lett. 529B, 42 (2002) D.M.Cullen, M.P.Carpenter, C.N.Davids, A.M.Fletcher, S.J.Freeman, R.V.F.Janssens, F.G.Kondev, C.J.Lister, L.K.Pattison, D.Seweryniak, J.F.Smith, A.M.Bruce, K.Abu Saleem, I.Ahmad, A.Heinz, T.L.Khoo, E.F.Moore, G.Mukherjee, C.Wheldon, A.Woehr Identification of Excited States in 140Dy NUCLEAR REACTIONS 92Mo(54Fe, 2nα), E=245 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 140Dy deduced levels, possible J, π, rotational band, deformation, isomer T1/2, hindrance factor. 141Ho deduced proton-emitting states configurations. Fragment separator. Level systematics in neighboring nuclides discussed.
doi: 10.1016/S0370-2693(02)01222-4
2002DA15 Nucl.Phys. A701, 14c (2002) B.Davids, D.W.Anthony, T.Aumann, S.M.Austin, T.Baumann, D.Bazin, R.R.C.Clement, P.A.Lofy, T.Nakamura, B.M.Sherrill, J.Yurkon, C.N.Davids, H.Esbensen A Kinematically Complete Measurement of the Coulomb Dissociation of 8B NUCLEAR REACTIONS Pb(8B, p7Be), E=83 MeV/nucleon; measured particle spectra; deduced Coulomb dissociation σ. 7Be(p, γ), E=low; deduced astrophysical S-factor. Kinematically complete measurement.
doi: 10.1016/S0375-9474(01)01538-X
2002DA29 Prog.Theor.Phys.(Kyoto), Suppl. 146, 358 (2002) New Theoretical Results on the Proton Decay of Deformed and Near-Spherical Nuclei RADIOACTIVITY 131Eu, 141,141mHo(p); calculated proton decay widths. 144Er, 145Tm, 177Tl(p); analyzed proton decay data; deduced role of particle-vibration coupling.
doi: 10.1143/PTPS.146.358
2002KO09 Phys.Lett. 528B, 221 (2002) F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, C.J.Lister, K.Abu Saleem, I.Ahmad, H.Amro, J.Caggiano, C.N.Davids, A.Heinz, B.Herskind, T.L.Khoo, T.Lauritsen, W.C.Ma, J.J.Ressler, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.A.Sonzogni, P.G.Varmette, I.Wiedenhover First Observation of Excited Structures in Neutron-Deficient 179Hg: Evidence for multiple shape coexistence NUCLEAR REACTIONS 90Zr(90Zr, n), E=369, 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 179Hg deduced high-spin levels, J, π, configurations, deformation. Gammasphere array, mass separator, recoil-decay tagging. RADIOACTIVITY 179Hg(α) [from 90Zr(90Zr, n)]; measured Eα, Eγ, αγ-coin, T1/2. 179Hg deduced ground-state J, π.
doi: 10.1016/S0370-2693(02)01221-2
2002MA61 Eur.Phys.J. A 15, 85 (2002) H.Mahmud, C.N.Davids, P.J.Woods, T.Davinson, A.Heinz, J.J.Ressler, K.Schmidt, D.Seweryniak, J.Shergur, A.A.Sonzogni, W.B.Walters New results on proton emission from odd-odd nuclei RADIOACTIVITY 130Eu, 164mIr, 170Au(p) [from 58Ni, 92Mo, 96Ru(78Kr, xnyp)]; measured proton spectra, T1/2. Fragment mass analyzer.
doi: 10.1140/epja/i2001-10231-y
2002OL01 Phys.Lett. 525B, 49 (2002) C.D.O'Leary, M.A.Bentley, S.M.Lenzi, G.Martinez-Pinedo, D.D.Warner, A.M.Bruce, J.A.Cameron, M.P.Carpenter, C.N.Davids, P.Fallon, L.Frankland, W.Gelletly, R.V.F.Janssens, D.T.Joss, C.J.Lister, P.H.Regan, P.Reiter, B.Rubio, D.Seweryniak, C.E.Svensson, S.M.Vincent, S.J.Williams Isovector Pairing in Odd-Odd N = Z 50Mn NUCLEAR REACTIONS 24Mg(32S, npα), E=95 MeV; measured Eγ, Iγ, γγ-coin. 50Mn deduced high-spin levels, J, π. Gammasphere array. NUCLEAR STRUCTURE 50Mn, 50Cr, 46V, 46Ti; analyzed levels Coulomb energy differences, pairing correlation energies vs spin. Shell model calculations.
doi: 10.1016/S0370-2693(01)01426-5
2002RE14 Phys.Rev. C65, 044330 (2002) J.J.Ressler, W.B.Walters, D.S.Brenner, C.N.Davids, A.Heinz, G.-L.Poli, J.Shergur, D.Seweryniak β Decay Studies of 109, 107Sb RADIOACTIVITY 107,109Sb(β+), (EC) [from 54Fe(58Ni, xnyp)]; measured Eγ, Iγ, T1/2. 107,109Sn deduced levels, J, π. Level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.65.044330
2002RE28 Phys.Rev. C66, 024308 (2002) J.J.Ressler, W.B.Walters, C.N.Davids, D.J.Dean, A.Heinz, M.Hjorth-Jensen, D.Seweryniak, J.Shergur First observation of 109Te β+ and electron capture decay to levels of 109Sb RADIOACTIVITY 109Te(β+), (EC) [from 54Fe(58Ni, n2p)]; measured Eγ, Iγ, γγ-coin, T1/2. 109Sb deduced levels, J, π. Comparison with shell model predictions, level systematics in neighboring isotopes.
doi: 10.1103/PhysRevC.66.024308
2002SE10 Phys.Rev. C 66, 051307 (2002) D.Seweryniak, W.B.Walters, A.Woehr, M.Lipoglavsek, J.Shergur, C.N.Davids, A.Heinz, J.J.Ressler Population of the 168-keV (g7/2) excited state in 103Sn in the α decay of 107Te RADIOACTIVITY 107Te(α) [from 54Fe(58Ni, 3n2p)]; measured Eα, Eγ, αγ-coin; deduced branching ratio. 103Sn deduced excited state. Recoil separator. Comparison with model predictions. NUCLEAR REACTIONS 54Fe(58Ni, 3nα), E=280 MeV; measured σ upper limit.
doi: 10.1103/PhysRevC.66.051307
2001DA03 Phys.Rev.Lett. 86, 2750 (2001) B.Davids, D.W.Anthony, T.Aumann, S.M.Austin, T.Baumann, D.Bazin, R.R.C.Clement, C.N.Davids, H.Esbensen, P.A.Lofy, T.Nakamura, B.M.Sherrill, J.Yurkon S17(0) Determined from the Coulomb Breakup of 83 MeV/Nucleon 8B NUCLEAR REACTIONS Pb(8B, p7Be), E=83 MeV/nucleon; measured particle spectra, σ(E, θ). 7Be(p, γ), E=low; deduced astrophysical S-factor. Kinematically complete measurement, first-order perturbation theory analysis.
doi: 10.1103/PhysRevLett.86.2750
2001DA18 Phys.Rev. C64, 034317 (2001) Particle-Vibration Coupling in Proton Decay of Near-Spherical Nuclei NUCLEAR STRUCTURE 145,147,147mTm, 151,151mLu, 161,161mRe, 165,167,167mIr, 171,171mAu, 177,177mTl; calculated proton decay widths, spectroscopic factors; deduced role of particle-vibration coupling.
doi: 10.1103/PhysRevC.64.034317
2001DA31 Hyperfine Interactions 132, 133 (2001) C.N.Davids, P.J.Woods, J.C.Batchelder, C.R.Bingham, D.J.Blumenthal, L.T.Brown, B.C.Busse, M.P.Carpenter, L.F.Conticchio, T.Davinson, J.Deboer, S.J.Freeman, S.Hamada, D.J.Henderson, R.J.Irvine, R.V.F.Janssens, H.J.Maier, L.Muller, R.D.Page, H.T.Penttila, G.L.Poli, D.Seweryniak, F.Soramel, K.S.Toth, W.B.Walters, B.E.Zimmerman Masses and Proton Separation Energies Obtained from Qα and Qp Measurements ATOMIC MASSES 151Tm, 155Lu, 159Ta, 163,165Re, 166Os, 167,169Ir, 170Pt, 171,173Au, 174,176Hg, 177Tl, 180Pb; analyzed α-decay and proton-decay data; deduced mass excesses. Tm, Lu, Ta, Re, Ir, Au, Tl; deduced proton separation energies.
doi: 10.1023/A:1011941605006
2001DI17 Phys.Rev. C64, 034315 (2001) K.Y.Ding, J.A.Cizewski, D.Seweryniak, H.Amro, M.P.Carpenter, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli Excited States in 155Yb and 155, 156, 157Lu from Recoil-Decay Tagging NUCLEAR REACTIONS 102Pd(58Ni, n4p), (58Ni, 2n3p), (58Ni, n3p), (58Ni, 3p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 155Yb, 155,156,157Lu deduced high-spin levels, J, π, configurations, role of neutron-proton interaction. Gammasphere array, fragment mass analyzer, recoil-decay tagging. Level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.64.034315
2001ES01 Phys.Rev. C63, 014315 (2001) Coupled-Channels Treatment of Deformed Proton Emitters RADIOACTIVITY 131Eu, 141Ho(p); calculated proton decay partial widths; deduced role of Coriolis mixing. Coupled-channels approach.
doi: 10.1103/PhysRevC.63.014315
2001HE05 Nucl.Phys. A682, 458c (2001) A.Heinz, T.L.Khoo, P.Reiter, I.Ahmad, P.Bhattacharyya, J.Caggiano, M.P.Carpenter, J.A.Cizewski, C.N.Davids, W.F.Henning, R.V.F.Janssens, G.D.Jones, R.Julin, F.G.Kondev, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, I.Wiedenhover Entry Distribution of 220Th: A method to determine the fission barrier of an unstable nucleus NUCLEAR REACTIONS 176Yb(48Ca, 4n), E=206, 219.5 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, sum-energy and multiplicity distributions; deduced residual nucleus entry distribution features. Gammasphere array, fragment mass analyzer.
doi: 10.1016/S0375-9474(00)00673-4
2001KO13 Nucl.Phys. A682, 487c (2001) F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, M.Alcorta, H.Amro, J.Caggiano, J.A.Cizewski, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, B.Herskind, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, S.Siem, M.B.Smith, A.A.Sonzogni, P.G.Varmette, I.Wiedenhover First Observation of Excited Structures in Neutron Deficient, Odd-Mass Pt, Au and Hg Nuclei NUCLEAR REACTIONS 90Zr(90Zr, n), E=369, 380 MeV; 90,91Zr(90Zr, X), 92,94,96Mo(84Sr, X), E ≈ 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 179Hg, 173,175,177Au deduced levels, J, π. Gammasphere array, recoil-decay tagging. RADIOACTIVITY 179Hg(α) [from 90Zr(90Zr, n)]; measured Eγ, Iγ, γγ-coin. 175Pt deduced levels, J, π. Gammasphere array, recoil-decay tagging.
doi: 10.1016/S0375-9474(00)00677-1
2001KO44 Phys.Lett. 512B, 268 (2001) F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, J.A.Cizewski, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, M.B.Smith, I.Wiedenhover Identification of Excited Structures in Proton Unbound Nuclei 173, 175, 177Au: Shape co-existence and intruder bands NUCLEAR REACTIONS 92,94,96Mo(84Sr, 2np), E ≈ 380-395 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 173,175,177Au deduced high-spin levels, J, π, configurations. Gammasphere array, mass separator, recoil decay tagging.
doi: 10.1016/S0370-2693(01)00714-6
2001MA69 Phys.Rev. C64, 031303 (2001) H.Mahmud, C.N.Davids, P.J.Woods, T.Davinson, A.Heinz, G.L.Poli, J.J.Ressler, K.Schmidt, D.Seweryniak, M.B.Smith, A.A.Sonzogni, J.Uusitalo, W.B.Walters Proton Radioactivity of 117La RADIOACTIVITY 117La(p) [from 64Zn(58Ni, 4np)]; measured Ep, T1/2. 117La deduced ground-state J, no isomeric decay observed. NUCLEAR REACTIONS 64Zn(58Ni, 4np), E=295, 310 MeV; measured σ. 64Zn(58Ni, 5np), E=325 MeV; measured σ upper limit.
doi: 10.1103/PhysRevC.64.031303
2001PO05 Phys.Rev. C63, 044304 (2001) G.L.Poli, C.N.Davids, P.J.Woods, D.Seweryniak, M.P.Carpenter, J.A.Cizewski, T.Davinson, A.Heinz, R.V.F.Janssens, C.J.Lister, J.J.Ressler, A.A.Sonzogni, J.Uusitalo, W.B.Walters Proton and α Radioactivity of 185Bi RADIOACTIVITY 185Bi(α), (p) [from 95Mo(92Mo, np)]; measured Ep, Eα, branching ratio, T1/2. 184Pb(α) [from proton decay of 185Bi]; measured Eα, ground-state α-branching ratio. Mass-separated source.
doi: 10.1103/PhysRevC.63.044304
2001SE03 Phys.Rev.Lett. 86, 1458 (2001) D.Seweryniak, P.J.Woods, J.J.Ressler, C.N.Davids, A.Heinz, A.A.Sonzogni, J.Uusitalo, W.B.Walters, J.A.Caggiano, M.P.Carpenter, J.A.Cizewski, T.Davinson, K.Y.Ding, N.Fotiades, U.Garg, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, P.Reiter, J.Shergur, I.Wiedenhover Rotational Bands in the Proton Emitter 141Ho NUCLEAR REACTIONS 54Fe(92Mo, 4np), E=502 MeV; 92Mo(54Fe, 4np), E=292 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 141Ho deduced high-spin levels, J, π, configurations, deformation. Gammasphere array, mass separator, recoil-decay tagging technique.
doi: 10.1103/PhysRevLett.86.1458
2001SE05 Nucl.Phys. A682, 247c (2001) D.Seweryniak, P.J.Woods, J.J.Ressler, C.N.Davids, A.Heinz, A.A.Sonzogni, J.Uusitalo, W.B.Walters, J.A.Caggiano, M.P.Carpenter, J.A.Cizewski, T.Davinson, K.Y.Ding, N.Fotiades, U.Garg, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, P.Reiter, J.Shergur, I.Wiedenhover GAMMASPHERE + FMA: A journey beyond the proton drip-line
doi: 10.1016/S0375-9474(00)00647-3
2001SM01 Phys.Rev. C63, 024319 (2001) J.F.Smith, V.Medina-Chico, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli Identification of Excited States in 117Cs: Systematics of the ν(h11/2)2 Alignment NUCLEAR REACTIONS 58Ni(64Zn, pα), E=265 MeV; measured Eγ, Iγ, γγ-coin. 64Zn(58Ni, pα), E=230, 240 MeV; measured Eγ, Iγ, (X-ray)γ-, (recoil)γ-coin. 117Cs deduced high-spin levels, J, π, configurations. Gammasphere, fragment analyzer. Cranked mean-field calculations.
doi: 10.1103/PhysRevC.63.024319
2001SM04 Nucl.Phys. A682, 433c (2001) M.B.Smith, J.A.Cizewski, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, I.Wiedenhover Systematic Study of Energy-Spin Entry Distributions at the Proton Dripline in the A ∼ 170 Region NUCLEAR REACTIONS 92,94,96Mo(84Sr, xnyp)173Pt/174Pt/175Pt/176Pt/177Pt/173Au/173mAu/174Au/175Au/177Au/177mAu/177Hg, E not given; measured Eγ, Iγ, (recoil)γ-, γγ-coin, multiplicity and sum-energy distributions; deduced energy-spin entry distributions. Gammasphere, fragment mass analyzer, recoil-decay tagging.
doi: 10.1016/S0375-9474(00)00670-9
2001WI10 Phys.Rev. C63, 054307 (2001) A.N.Wilson, R.Wadsworth, J.F.Smith, S.J.Freeman, M.J.Leddy, C.J.Chiara, D.B.Fossan, D.R.LaFosse, K.Starosta, M.Devlin, D.G.Sarantites, J.N.Wilson, M.P.Carpenter, C.N.Davids, R.V.F.Janssens, D.Seweryniak, R.Wyss High-Spin Structures and Alignment Properties in 126Ce NUCLEAR REACTIONS 64Zn(64Zn, 2p), E=260 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 126Ce deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, cranked mean-field calculations.
doi: 10.1103/PhysRevC.63.054307
2000DA11 Phys.Rev. C61, 054302 (2000) Decay Rates of Spherical and Deformed Proton Emitters RADIOACTIVITY 131Eu, 141Ho, 147mTm, 167,167mIr(p); calculated T1/2. Comparison of direct, distorted wave methods.
doi: 10.1103/PhysRevC.61.054302
2000DI18 Phys.Rev. C62, 034316 (2000) K.Y.Ding, J.A.Cizewski, D.Seweryniak, H.Amro, M.P.Carpenter, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli High-Spin Excitations in 158, 159, 160Hf from Recoil-Decay Tagging NUCLEAR REACTIONS Pd(58Ni, xnypzα)158Hf/159Hf/160Hf, E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, Eα, αγ-coin following recoil decay. 158,159,160Hf deduced high-spin levels, J, π, configurations, aligned angular momenta. Gammasphere array, fragment mass analyzer, recoil-decay tagging. Systematics of neighboring isotopes discussed.
doi: 10.1103/PhysRevC.62.034316
2000KO01 Phys.Rev. C61, 011303 (2000) F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover, M.Alcorta, P.Bhattacharyya, L.T.Brown, C.N.Davids, S.M.Fischer, T.L.Khoo, T.Lauritsen, C.J.Lister, R.Nouicer, W.Reviol, L.L.Riedinger, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.J.Woods Complex Band Structure in Neutron-Deficient 178Hg NUCLEAR REACTIONS 103Rh(78Kr, 2np), E=350 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 178Hg deduced high-spin levels, J, π, configurations. Gammasphere array, fragment analyzer. Recoil-decay tagging technique.
doi: 10.1103/PhysRevC.61.011303
2000KO16 Phys.Rev. C61, 044323 (2000) F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover, M.Alcorta, L.T.Brown, C.N.Davids, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.Bhattacharyya, S.M.Fischer, W.Reviol, L.L.Riedinger, R.Nouicer High-Spin Collective Structures in 178Pt NUCLEAR REACTIONS 103Rh(78Kr, 3p), E=350 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 178Pt deduced levels, J, π, configurations, B(E1)/B(E2). Gammasphere array, fragment mass analyzer. RADIOACTIVITY 178Pt(α) [from 103Rh(78Kr, 3p)]; measured Eα, Iα, T1/2; deduced reduced width, hindrance factor. Comparison with neighboring isotopes.
doi: 10.1103/PhysRevC.61.044323
2000KO48 Phys.Rev. C62, 044305 (2000) F.G.Kondev, R.V.F.Janssens, M.P.Carpenter, K.Abu Saleem, I.Ahmad, M.Alcorta, H.Amro, P.Bhattacharyya, L.T.Brown, J.Caggiano, C.N.Davids, S.M.Fischer, A.Heinz, B.Herskind, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, R.Nouicer, J.Ressler, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.Sonzogni, J.Uusitalo, P.G.Varmette, I.Wiedenhover Interplay between Octupole and Quasiparticle Excitations in 178Hg and 180Hg NUCLEAR REACTIONS 103Rh(78Kr, 2np), E=350 MeV; 90,91,92,94,96Zr(90Zr, X)180Hg, E ≈ 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 178,180Hg deduced high-spin levels, J, π, configurations. Gammasphere array, recoil mass separator, recoil-decay tagging technique. Comparisons with neighboring nuclides.
doi: 10.1103/PhysRevC.62.044305
2000MA95 Phys.Rev. C62, 057303 (2000) H.Mahmud, C.N.Davids, P.J.Woods, T.Davinson, D.J.Henderson, R.J.Irvine, D.Seweryniak, W.B.Walters α Radioactivity of 162Os and 158W RADIOACTIVITY 162Os, 158W(α) [from 106Cd(58Ni, 2n) and subsequent decay]; 158mW(α) [from 102Pd(58Ni, 2n)]; measured Eα, T1/2, reduced widths. Mass-separated sources, comparisons with previous results.
doi: 10.1103/PhysRevC.62.057303
2000RE05 Phys.Rev.Lett. 84, 3542 (2000) P.Reiter, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, A.A.Sonzogni, I.Ahmad, N.Amzal, P.Bhattacharyya, P.A.Butler, M.P.Carpenter, A.J.Chewter, J.A.Cizewski, C.N.Davids, K.Y.Ding, N.Fotiades, J.P.Greene, P.T.Greenlees, A.Heinz, W.F.Henning, R.-D.Herzberg, R.V.F.Janssens, G.D.Jones, H.Kankaanpaa, F.G.Kondev, W.Korten, M.Leino, S.Siem, J.Uusitalo, K.Vetter, I.Wiedenhover Entry Distribution, Fission Barrier, and Formation Mechanism of 102254No NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=215, 219 MeV; measured Eγ, Iγ, (recoil)γ, γγ-coin, γ multiplicity; deduced residual nucleus entry state spin and energy distribution. 254No deduced fission barrier features, shell correction effects.
doi: 10.1103/PhysRevLett.84.3542
2000RE11 Nucl.Instrum.Methods Phys.Res. A449, 208 (2000) K.E.Rehm, F.Borasi, C.J.Jiang, D.Ackermann, I.Ahmad, F.Brumwell, C.N.Davids, P.Decrock, S.M.Fischer, J.Gorres, J.P.Greene, G.Hackmann, B.Harss, D.Henderson, W.Henning, R.V.F.Janssens, G.McMichael, V.Nanal, D.Nisius, J.Nolen, R.C.Pardo, M.Paul, P.Reiter, J.P.Schiffer, D.Seweryniak, R.E.Segel, I.Wiedenhover, M.Wiescher, A.H.Wuosmaa Experiments with a Radioactive 56Ni Beam NUCLEAR REACTIONS 63,65Cu, 58Ni(p, X), E=50 MeV; measured delayed Eγ, Iγ; deduced evidence for 56Ni, 56,57Co, 52Mn, 65Zn. 2H(28Si, 29Si), E=125 MeV; 2H(56Co, 57Co), E=250 MeV; measured σ(Ep, θ). 57Co levels deduced spectroscopic factors.
doi: 10.1016/S0168-9002(99)01439-4
2000SM05 Phys.Rev. C61, 044329 (2000) J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli, A.V.Afanasjev, I.Ragnarsson Identification of Excited States in 119Ba NUCLEAR REACTIONS 58Ni(64Zn, n2p), E=265 MeV; measured Eγ, Iγ, γγ-coin. 64Zn(58Ni, n2p), E=230, 240 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-, (recoil)γ-coin. 119Ba deduced high-spin levels, J, π, configurations, band termination. Cranked mean-field calculations.
doi: 10.1103/PhysRevC.61.044329
2000SO01 Phys.Rev.Lett. 84, 1651 (2000) A.A.Sonzogni, K.E.Rehm, I.Ahmad, F.Borasi, D.L.Bowers, F.Brumwell, J.Caggiano, C.N.Davids, J.P.Greene, B.Harss, A.Heinz, D.Henderson, R.V.F.Janssens, C.L.Jiang, G.McMichael, J.Nolen, R.C.Pardo, M.Paul, J.P.Schiffer, R.E.Segel, D.Seweryniak, R.H.Siemssen, J.W.Truran, J.Uusitalo, I.Wiedenhover, B.Zabransky The 44Ti(α, p) Reaction and Its Implication on the 44Ti Yield in Supernovae NUCLEAR REACTIONS 44Ti(α, p), E(cm)=5.7-9 MeV; measured σ, astrophysical reaction rate. Comparison with statistical model calculations. Effects on the production of 44Ti in core-collapsed supernovae discussed.
doi: 10.1103/PhysRevLett.84.1651
1999AN22 J.Phys.(London) G25, 835 (1999) A.N.Andreyev, N.Bijnens, M.Huyse, P.Van Duppen, M.Leino, T.Enqvist, P.Kuusiniemi, W.Trzaska, J.Uusitalo, N.Fotiades, J.A.Cizewski, D.P.McNabb, K.Y.Ding, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, H.Amro, P.Decrock, P.Reiter, D.Nisius, L.T.Brown, S.Fischer, T.Lauritsen, J.Wauters, C.R.Bingham, L.F.Conticchio α-Decay Characteristics of Neutron-Deficient 190, 192Po Nuclei and Alpha Branching Ratios of 186, 188Pb Isotopes RADIOACTIVITY 190,192Po(α) [from 164Er(32S, xn) and 144Sm(48Ti, xn)]; measured Eα, Iα, T1/2. 186,188Pb deduced α-branching ratios. Systematics of reduced α-widths in mass region discussed.
1999BA45 Eur.Phys.J. A 5, 49 (1999) J.C.Batchelder, K.S.Toth, C.R.Bingham, L.T.Brown, L.F.Conticchio, C.N.Davids, R.J.Irvine, D.Seweryniak, W.B.Walters, J.Wauters, E.F.Zganjar, J.L.Wood, C.De Coster, B.Decroix, K.Heyde Behavior of Intruder Based States in Light Bi and Tl Isotopes: The study of 187Bi α Decay RADIOACTIVITY 187Bi(α) [from 97Mo(92Mo, np)]; measured Eα, Iα, T1/2. 183Tl deduced levels, possible J, π. 187Bi deduced excited level. Fragment mass analyzer. Neutron intruder state systematics discussed.
doi: 10.1007/s100500050255
1999BA87 Phys.Rev. C60, 044602 (1999) B.B.Back, D.J.Blumenthal, C.N.Davids, D.J.Henderson, R.Hermann, D.J.Hofman, C.L.Jiang, H.T.Penttila, A.H.Wuosmaa Fission Hindrance in Hot 216Th: Evaporation residue measurements NUCLEAR REACTIONS 184W(32S, X), E=165-257 MeV; measured evaporation residues σ(E, θ), charge distributions; deduced fission hindrance, nuclear viscosity. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.60.044602
1999DA27 Pramana 53, 631 (1999) C.N.Davids, P.J.Woods, D.Seweryniak, A.A.Sonzogni, J.C.Batchelder, C.R.Bingham, T.Davinson, D.J.Henderson, R.J.Irvine, G.L.Poli, J.Uusitalo, W.B.Walters Proton Radioactivity - Spherical and Deformed
doi: 10.1007/s12043-999-0040-9
1999DO01 Phys.Rev. C59, 59 (1999) J.Doring, A.Aprahamian, R.C.de Haan, J.Gorres, H.Schatz, M.Wiescher, W.B.Walters, L.T.Brown, C.N.Davids, C.J.Lister, D.Seweryniak Radioactive Decay of 80Y and Low-Lying States in 80Sr RADIOACTIVITY 80Y(β+), (EC) [from 24Mg(58Ni, np), E=190 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2; deduced log ft. 80Sr deduced levels, J, π, configurations. TRS calculations, comparisons with nearby isotopes, isotones. HPGe, LEPS, scintillation detectors.
doi: 10.1103/PhysRevC.59.59
1999FO02 Phys.Rev. C59, 2919 (1999) N.Fotiades, J.A.Cizewski, C.J.Lister, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, T.L.Khoo, T.Lauritsen, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli, R.W.MacLeod Deformed Negative-Parity Excitations in 71As NUCLEAR REACTIONS 58Ni(16O, 3p), E=59.5 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 71As deduced high-spin levels, J, π, rotational bands features. Gammasphere array, recoil mass separation. Cranked Nilsson model calculations.
doi: 10.1103/PhysRevC.59.2919
1999FO14 Phys.Rev. C60, 057302 (1999) N.Fotiades, J.A.Cizewski, C.J.Lister, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, T.L.Khoo, T.Lauritsen, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli, R.W.MacLeod Odd-Even Staggering in the πg9/2νg9/2 Band in 72Br NUCLEAR REACTIONS 58Ni(16O, np), E=59.5 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 72Br deduced high-spin levels, possible J, π, configurations, signature splitting. Gammasphere array, fragment mass analyzer.
doi: 10.1103/PhysRevC.60.057302
1999MO14 J.Phys.(London) G25, 909 (1999) S.Mohammadi, P.H.Regan, S.M.Vincent, D.Blumenthal, M.Carpenter, C.N.Davids, W.Gelletly, R.V.F.Janssens, C.J.Lister, C.J.Pearson, J.Simpson, D.Seweryniak, J.Schwartz, D.D.Warner High Spin States in 58Ni NUCLEAR REACTIONS 40Ca(24Mg, 2pα), E=65 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 58Ni deduced high-spin levels, J, π. Ayeball array, fragment mass analyzer.
doi: 10.1088/0954-3899/25/4/067
1999PO09 Phys.Rev. C59, R2979 (1999) G.L.Poli, C.N.Davids, P.J.Woods, D.Seweryniak, J.C.Batchelder, L.T.Brown, C.R.Bingham, M.P.Carpenter, L.F.Conticchio, T.Davinson, J.DeBoer, S.Hamada, D.J.Henderson, R.J.Irvine, R.V.F.Janssens, H.J.Maier, L.Muller, F.Soramel, K.S.Toth, W.B.Walters, J.Wauters Proton and α Radioactivity below the Z = 82 Shell Closure RADIOACTIVITY 177Tl, 171Au(p) [from 96Ru, 102Pd(78Kr, xnyp)]; measured Ep, T1/2 from ground, isomeric levels. 177Tl, 173Au, 169Ir(α); measured Eα, T1/2 from ground, isomeric levels. 177Tl, 171Au levels deduced J, π, spectroscopic factors. 177,177mTl, 173,173mAu, 169,169mIr, 165,165mRe, 171Au; deduced proton separation energies. RADIOACTIVITY 176Hg(α); measured decay products, Eα, Iα; deduced %α branch, T1/2.
doi: 10.1103/PhysRevC.59.R2979
1999RE02 Phys.Rev.Lett. 82, 509 (1999) P.Reiter, T.L.Khoo, C.J.Lister, D.Seweryniak, I.Ahmad, M.Alcorta, M.P.Carpenter, J.A.Cizewski, C.N.Davids, G.Gervais, J.P.Greene, W.F.Henning, R.V.F.Janssens, T.Lauritsen, S.Siem, A.A.Sonzogni, D.Sullivan, J.Uusitalo, I.Wiedenhover, N.Amzal, P.A.Butler, A.J.Chewter, K.Y.Ding, N.Fotiades, J.D.Fox, P.T.Greenlees, R.-D.Herzberg, G.D.Jones, W.Korten, M.Leino, K.Vetter Ground-State Band and Deformation of the Z = 102 Isotope 254No NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=215 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 254No deduced levels, J, π, rotational band, deformation. Gammasphere array, recoil-decay tagging.
doi: 10.1103/PhysRevLett.82.509
1999SE14 Phys.Rev. C60, 031304 (1999); Erratum Phys.Rev. C61, 039902 (2000) D.Seweryniak, J.Uusitalo, M.P.Carpenter, D.Nisius, C.N.Davids, C.R.Bingham, L.T.Brown, L.Conticchio, D.J.Henderson, R.V.F.Janssens, W.B.Walters, J.Wauters, P.J.Woods Decay Properties of the New Isotopes 172Hg and 173Hg NUCLEAR REACTIONS 96Ru(78Kr, 2n), (80Kr, 2n), E=375 MeV; 96Ru(80Kr, 3n), E=400 MeV; measured Eα following residual nucleus decay; deduced approximate σ. Fragment mass analyzer. RADIOACTIVITY 172,173,174Hg(α) [from 96Ru(78,80Kr, xn)]; measured Eα, Iα, T1/2; deduced Qα, masses, reduced widths. Comparison with calculated values.
doi: 10.1103/PhysRevC.60.031304
1999SO08 Phys.Rev. C59, 1324 (1999) D.Sohler, J.Cederkall, M.Lipoglavsek, Zs.Dombradi, M.Gorska, J.Persson, D.Seweryniak, I.Ahmad, A.Atac, R.A.Bark, J.Blomqvist, M.P.Carpenter, B.Cederwall, C.N.Davids, C.Fahlander, S.M.Fischer, H.Grawe, G.Hackman, R.V.F.Janssens, A.Johnson, A.Kerek, W.Klamra, J.Kownacki, C.J.Lister, S.Mitarai, D.Nisius, L.-O.Norlin, J.Nyberg, G.Poli, P.Reiter, J.J.Ressler, H.A.Roth, J.Schwartz, G.Sletten, J.Uusitalo, W.B.Walters, M.Weiszflog Yrast States of the Proton Drip Line Nucleus 106Sb NUCLEAR REACTIONS 54Fe(58Ni, npα), E=261 MeV; measured Eγ, Iγ, (charged particle)γ-, (neutron)γ-, γγ-coin. 106Sb deduced levels, J, π. Cluster detectors, Si-ball. Shell model analysis. RADIOACTIVITY 106Sb(IT) [from 50Cr(58Ni, np), E=220 MeV]; measured Eγ, Iγ(t). 106Sb deduced isomeric state T1/2, ICC. Fragment mass analyzer.
doi: 10.1103/PhysRevC.59.1324
1999SO17 Phys.Rev.Lett. 83, 1116 (1999) A.A.Sonzogni, C.N.Davids, P.J.Woods, D.Seweryniak, M.P.Carpenter, J.J.Ressler, J.Schwartz, J.Uusitalo, W.B.Walters Fine Structure in the Decay of the Highly Deformed Proton Emitter 131Eu RADIOACTIVITY 131Eu(p) [from 58Ni(78Kr, 4np)]; measured proton spectra; deduced fine structure, decay branching ratio. 131Eu deduced ground-state configuration.
doi: 10.1103/PhysRevLett.83.1116
1999TO11 Phys.Rev. C60, 011302 (1999) K.S.Toth, C.R.Bingham, J.C.Batchelder, L.T.Brown, L.F.Conticchio, C.N.Davids, R.J.Irvine, D.Seweryniak, D.M.Moltz, W.B.Walters, J.Wauters, E.F.Zganjar α-Decay Rates of 180, 182, 184Pb and the Z = 82 Shell Closure RADIOACTIVITY 180,182,184Pb(α) [from 90,92,94Zr(92Mo, 2n)]; measured Eα, T1/2; deduced masses, reduced widths, shell closure effects. 176,178,180Hg deduced α-branching. Decay rate systematics for Z=76-90 dicsussed. Mass separator.
doi: 10.1103/PhysRevC.60.011302
1999UU01 Phys.Rev. C59, R2975 (1999) J.Uusitalo, C.N.Davids, P.J.Woods, D.Seweryniak, A.A.Sonzogni, J.C.Batchelder, C.R.Bingham, T.Davinson, J.deBoer, D.J.Henderson, H.J.Maier, J.J.Ressler, R.Slinger, W.B.Walters Proton Emission from the Closed Neutron Shell Nucleus 155Ta RADIOACTIVITY 155Ta(p) [from 102Pd(58Ni, 4np)]; measured Ep, T1/2. 155Ta level deduced J, π, spectroscopic factor. Mass separated source.
doi: 10.1103/PhysRevC.59.R2975
1999VI06 J.Phys.(London) G25, 679 (1999) S.M.Vincent, P.H.Regan, D.Blumenthal, M.Carpenter, C.N.Davids, W.Gelletly, R.V.F.Janssens, C.J.Lister, D.Seweryniak, J.Schwartz, J.Simpson, D.D.Warner Discrete Line Spectroscopy of 3162Ga with AYEBALL NUCLEAR REACTIONS 40Ca(24Mg, np), E=65 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 62Ga deduced levels, J, π. Comparison with 62Zn levels. Ayeball array, fragment mass analyzer.
doi: 10.1088/0954-3899/25/4/019
1999VI07 J.Phys.(London) G25, 941 (1999) S.M.Vincent, P.H.Regan, S.Mohammadi, W.Gelletly, D.Blumenthal, M.P.Carpenter, C.N.Davids, R.V.F.Janssens, C.J.Lister, C.J.Pearson, J.Simpson, D.Seweryniak, J.Schwartz, D.D.Warner A Yrast Study of the A = 61 Isobars 2961Cu and 3061Zn NUCLEAR REACTIONS 40Ca(24Mg, 3p), (24Mg, n2p), E=65 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 61Cu, 61Zn deduced high-spin levels, J, π. Ayeball array, fragment mass analyzer.
doi: 10.1088/0954-3899/25/4/075
1999VI12 Phys.Rev. C60, 064308 (1999) S.M.Vincent, P.H.Regan, S.Mohammadi, D.Blumenthal, M.Carpenter, C.N.Davids, W.Gelletly, S.S.Ghugre, D.J.Henderson, R.V.F.Janssens, M.Hjorth-Jensen, B.Kharraja, C.J.Lister, C.J.Pearson, D.Seweryniak, J.Schwartz, J.Simpson, D.D.Warner Near Yrast Study of the fpg Shell Nuclei 58Ni, 61Cu, and 61Zn NUCLEAR REACTIONS 40Ca(24Mg, n2p), (24Mg, 3p), (24Mg, 2pα), E=65 MeV; measured Eγ, Iγ, γγ-, nγ-, (recoil)γ-coin. 58Ni, 61Cu, 61Zn deduced levels, J, π, configurations. Ayeball array, fragment mass analyzer. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.60.064308
1999YU02 Phys.Rev. C59, R1834 (1999) C.-H.Yu, A.Galindo-Uribarri, S.D.Paul, M.P.Carpenter, C.N.Davids, R.V.F.Janssens, C.J.Lister, D.Seweryniak, J.Uusitalo, B.D.MacDonald Spectroscopy of the Proton Emitter 109I NUCLEAR REACTIONS 54Fe(58Ni, 2np), E=220 MeV; measured Eγ, Iγ, γγ-coin, (proton)γ-coin following recoil proton decay. 109I deduced high-spin levels, possible J, π, configurations. Gammasphere array, fragment mass analyzer, recoil-decay tagging technique.
doi: 10.1103/PhysRevC.59.R1834
1998BA88 Phys.Rev. C58, 2671 (1998) A.M.Baxter, A.P.Byrne, G.D.Dracoulis, P.M.Davidson, T.R.McGoram, P.H.Regan, C.Chandler, W.Gelletly, C.Wheldon, R.Julin, J.F.C.Cocks, K.Helariutta, P.Jones, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, A.Savelius, R.V.F.Janssens, T.Brown, M.P.Carpenter, C.N.Davids, T.Lauritsen, D.Nisius, P.T.Greenlees Identification of Yrast States in 187Pb NUCLEAR REACTIONS 155Gd(36Ar, 4n), E=174, 176 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 187Pb deduced levels, possible J, π. Level scheme systematics in Pb isotopes discussed. Recoil separators. RADIOACTIVITY 186,187,188Pb(α) [from 155Gd(36Ar, xn)]; measured Eα, Iα.
doi: 10.1103/PhysRevC.58.2671
1998BH04 Phys.Rev. C58, 1247 (1998) M.Bhattacharya, A.Garcia, M.M.Hindi, E.B.Norman, C.E.Ortiz, N.I.Kaloskamis, C.N.Davids, O.Civitarese, J.Suhonen Electron Capture Decay of 116In and Nuclear Structure of Double β Decays RADIOACTIVITY 116In(EC) [from 115In(d, p), E=7.6 MeV]; measured X-ray spectra vs time; deduced EC decay branch, log ft. 116Cd(2β); calculated 2ν associated 2β-decay T1/2. QRPA calculations, low-lying-state dominance hypothesis.
doi: 10.1103/PhysRevC.58.1247
1998DA03 Phys.Rev.Lett. 80, 1849 (1998) C.N.Davids, P.J.Woods, D.Seweryniak, A.A.Sonzogni, J.C.Batchelder, C.R.Bingham, T.Davinson, D.J.Henderson, R.J.Irvine, G.L.Poli, J.Uusitalo, W.B.Walters Proton Radioactivity from Highly Deformed Nuclei RADIOACTIVITY 141Ho(p) [from 92Mo(54Fe, 4np)]; 131Eu(p) [from 96Ru(40Ca, 4np)]; measured proton spectra, T1/2; deduced deformation effects. Nilsson model analysis.
doi: 10.1103/PhysRevLett.80.1849
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