NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Aberg Found 110 matches. Showing 1 to 100. [Next]2024DO02 Phys.Rev. C 109, 034615 (2024) T.Dossing, S.AAberg, M.Albertsson, B.G.Carlsson, J.Randrup Angular momentum in fission fragments
doi: 10.1103/PhysRevC.109.034615
2023CO04 Phys.Rev. C 107, L021301 (2023) D.M.Cox, A.Saamark-Roth, D.Rudolph, L.G.Sarmiento, R.M.Clark, J.L.Egido, P.Golubev, J.Heery, A.Yakushev, S.AAberg, H.M.Albers, M.Albertsson, M.Block, H.Brand, T.Calverley, R.Cantemir, B.G.Carlsson, Ch.E.Dullmann, J.Eberth, C.Fahlander, U.Forsberg, J.M.Gates, F.Giacoppo, M.Gotz, S.Gotz, R.-D.Herzberg, Y.Hrabar, E.Jager, D.Judson, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, L.Lens, J.Ljungberg, B.Lommel, J.Louko, C.-C.Meyer, A.Mistry, C.Mokry, P.Papadakis, E.Parr, J.L.Pore, I.Ragnarsson, J.Runke, M.Schadel, H.Schaffner, B.Schausten, D.A.Shaughnessy, P.Thorle-Pospiech, N.Trautmann, J.Uusitalo Spectroscopy along flerovium decay chains. II. Fine structure in odd-A 289Fl RADIOACTIVITY 289Fl(α) [from 244Pu(48Ca, X), E=6.02 MeV/nucleon]; 285Cn(α) [from 289Fl(α)]; 281Ds(α) [from 285Cn(α)]; 277Hs(SF) [from 281Ds(α)]; measured decay products, Eα, Iα, Eβ, Iβ αβ-coin, αα-coin, (fragment)αα-coin; deduced Q-values, T1/2, branching ratios, hindrance factor. 289Fl, 285Cn, 281Ds; deduced J, π and δ assignments based on the derived decay path. Comparison with structure calculations based on the symmetry-conserving configuration mixing theory. Gas-filled recoil separator TASCA was used to transmit, select, and focus the flerovium ions into an upgraded version of the TASISpec decay station consisting of implantation DSSD, veto DSSD and set of HPGe detectors (GSI).
doi: 10.1103/PhysRevC.107.L021301
2023SA03 Phys.Rev. C 107, 024301 (2023) A.Saamark-Roth, D.M.Cox, D.Rudolph, L.G.Sarmiento, M.Albertsson, B.G.Carlsson, J.L.Egido, P.Golubev, J.Heery, A.Yakushev, S.AAberg, H.M.Albers, M.Block, H.Brand, T.Calverley, R.Cantemir, R.M.Clark, Ch.E.Dullmann, J.Eberth, C.Fahlander, U.Forsberg, J.M.Gates, F.Giacoppo, M.Gotz, S.Gotz, R.-D.Herzberg, Y.Hrabar, E.Jager, D.Judson, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, L.Lens, J.Ljungberg, B.Lommel, J.Louko, C.-C.Meyer, A.Mistry, C.Mokry, P.Papadakis, E.Parr, J.L.Pore, I.Ragnarsson, J.Runke, M.Schadel, H.Schaffner, B.Schausten, D.A.Shaughnessy, P.Thorle-Pospiech, N.Trautmann, J.Uusitalo Spectroscopy along flerovium decay chains. III. Details on experiment, analysis, 282Cn, and spontaneous fission branches RADIOACTIVITY 290,288,286,284Fl(α)(SF) [from 244Pu(48Ca, X), E=6.02 MeV/nucleon]; 282Cn(α)(SF) [286Fl(α)]; 284Cn(α)(SF) [from 288Fl(α)]; 286Cn(α)(SF) [290Fl(α)]; 282Ds(α)(SF) [from 286Cn(α)]; 280Ds(α)(SF) [from 284Cn(α)]; measured decay products, Eα, Iα, Eβ, Iβ αβ-coin, αα-coin, (fragment)αα-coin; deduced Q-values, T1/2, branching ratios, hindrance factor. 282Cn; deduced levels, J, π, T1/2 of excited states, transition rates, monopole transition strengths. Comparison to macroscopic-microscopic finite-range liquid-drop model, self-consistent Hartree-Fock-Bogoliubov calculations and other experimental data. Gas-filled recoil separator TASCA was used to transmit, select, and focus the flerovium ions into an upgraded version of the TASISpec decay station consisting of implantation DSSD, veto DSSD and set of HPGe detectors (GSI).
doi: 10.1103/PhysRevC.107.024301
2021AL03 Phys.Rev. C 103, 014609 (2021) M.Albertsson, B.G.Carlsson, T.Dossing, P.Moller, J.Randrup, S.Aberg Correlation studies of fission-fragment neutron multiplicities NUCLEAR REACTIONS 235U(n, F), E=0, 5.55 MeV; calculated total fragment kinetic energy (TKE) and distribution of TKE versus heavy-fragment mass number, number of scission events in log scale versus fission fragment mass number and total kinetic energy (TKE), probability distribution for the heavy-fragment share of intrinsic energy, average of the light and heavy-fragment intrinsic energies, average fragment distortion energies and deformations at scission versus TKE, average multiplicity of neutrons evaporated from the light or heavy fragment as function of TKE. Nuclear shape evolution from the ground-state shape to scission obtained from METROPOLIS walk method on the five-dimensional potential-energy surfaces, calculated with the macroscopic-microscopic method for the three-quadratic-surface (3QS) parametrization.
doi: 10.1103/PhysRevC.103.014609
2021AL31 Phys.Rev. C 104, 064616 (2021) M.Albertsson, B.G.Carlsson, T.Dossing, P.Moller, J.Randrup, S.Aberg Super-short fission mode in fermium isotopes RADIOACTIVITY 256,258,260,262Fm(SF); calculated potential energy along the paths for the standard and the super-short fission modes, as function of quadrupole moment. 260Fm(SF); calculated contour plots of the number of fission in the A-TKE plane based on 105 spontaneous or thermal fission events. 254,256,258,260,262,264,266,268Fm(SF); calculated contour plot of fraction of fissions via the super-short mode, with typical scission shapes for the two modes. 254,256,258,260Fm(SF); calculated primary fragment mass yields for spontaneous and thermal fission, total kinetic-energy (TKE) distributions. 254,256,258,260,262,264,266,268Fm, 259,260Md(SF); calculated TKE and average total neutron multiplicity versus the neutron number of the initial nucleus. Metropolis method for the super-short fission mode to simulate the strongly damped fission dynamics driven by shape- and energy-dependent level densities, and analyzing scission configurations. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.064616
2021SA01 Phys.Rev.Lett. 126, 032503 (2021) A.Samark-Roth, D.M.Cox, D.Rudolph, L.G.Sarmiento, B.G.Carlsson, J.L.Egido, P.Golubev, J.Heery, A.Yakushev, S.Aberg, H.M.Albers, M.Albertsson, M.Block, H.Brand, T.Calverley, R.Cantemir, R.M.Clark, C.E.Dullmann, J.Eberth, C.Fahlander, U.Forsberg, J.M.Gates, F.Giacoppo, M.Gotz, S.Gotz, R.-D.Herzberg, Y.Hrabar, E.Jager, D.Judson, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, L.Lens, J.Ljungberg, B.Lommel, J.Louko, C.-C.Meyer, A.Mistry, C.Mokry, P.Papadakis, E.Parr, J.L.Pore, I.Ragnarsson, J.Runke, M.Schadel, H.Schaffner, B.Schausten, D.A.Shaughnessy, P.Thorle-Pospiech, N.Trautmann, J.Uusitalo Spectroscopy along Flerovium Decay Chains: Discovery of 280Ds and an Excited State in 282Cn RADIOACTIVITY 286,288Fl, 284Cn(α), 282Cn, 280Ds(SF) [from 242,244Pu(48Ca, X)286Fl/288Fl, E=6.021 MeV/nucleon]; measured decay products, Eα, Iα, Eβ, Iβ α-β coin.; deduced Q-values, T1/2, J, π. Comparison with theoretical calculations. The gas-filled separator TASCA at the GSI.
doi: 10.1103/PhysRevLett.126.032503
2021SE22 Phys.Rev. C 104, 044327 (2021) A.P.Severyukhin, S.Aberg, N.N.Arsenyev, R.G.Nazmitdinov Hybrid model for the damped transient response of giant dipole resonances NUCLEAR STRUCTURE 206Hg, 206Pb, 210Po; calculated dipole-strength distributions built on the one-phonon strength distribution folded with the energy-dependent Lorentzian, the microscopic phonon-phonon coupling (PPC) approach, and the random coupling matrix elements between the one- and two-phonon configurations (doorway model), centroid energies and the spreading widths Γ of giant-dipole resonance (GDR) in 9.5-18.5 MeV range using quasiparticle random phase approximation (QRPA) based on Skyrme mean field interactions, PPC, and random distribution of coupling matrix elements, and a hybrid model, cumulative level densities of one-phonon and two-phonon states using QRPA and modified Fermi gas model with uniformly spaced states, energy-dependent energy shift for 210Po. 206Hg, 210Po; empirical systematics of the centroid energies and widths of dipole-strength distributions.
doi: 10.1103/PhysRevC.104.044327
2021YA34 Int.J.Mod.Phys. E30, 2150099 (2021) Bubble structure in superheavy nuclei around neutron and proton shell closure NUCLEAR STRUCTURE 254,256,258,260,262Rf, 258,260,262,264,266Sg, 264,266Hs, 270Hs, 270Ds, 282,284Cn, 284,286,288Fl, 290,292Lv, 294Og; calculated energy levels, J, π, deformation parameters, two-neutron separation energies, charge and neutron radii, neutron skin.
doi: 10.1142/S0218301321500993
2020AB12 Int.J.Mod.Phys. E29, 2050073 (2020) Possible dual bubble-like structure predicted by the relativistic Hartree-Bogoliubov model NUCLEAR STRUCTURE 43Si, 12O, 62Ni, 26,28O, 32,34Ne, 38,40Mg, 42,44Si, 46,48S, 50,52Ar, 56,58Ca, 60,62Ti, 66,68Cr, 72,74,76,78,80Ni; calculated binding energies, radial density distributions, neutron and proton single-particle energy levels, pairing strengths. Comparison with available data.
doi: 10.1142/S0218301320500731
2020AL01 Eur.Phys.J. A 56, 46 (2020) M.Albertsson, B.G.Carlsson, T.Dossing, P.Moller, J.Randrup, S.Aberg Calculated fission-fragment mass yields and average total kinetic energies of heavy and superheavy nuclei
doi: 10.1140/epja/s10050-020-00036-9
2020BE28 J.Phys.(London) G47, 113002 (2020) M.Bender, R.Bernard, G.Bertsch, S.Chiba, J.Dobaczewski, N.Dubray, S.A.Giuliani, K.Hagino, D.Lacroix, Z.Li, P.Magierski, J.Maruhn, W.Nazarewicz, J.Pei, S.Peru, N.Pillet, J.Randrup, D.Regnier, P.G.Reinhard, L.M.Robledo, W.Ryssens, J.Sadhukhan, G.Scamps, N.Schunck, C.Simenel, J.Skalski, I.Stetcu, P.Stevenson, S.Umar, M.Verriere, D.Vretenar, M.Warda, S.Aberg Future of nuclear fission theory
doi: 10.1088/1361-6471/abab4f
2020RU03 Phys.Rev. C 102, 014313 (2020) D.Rudolph, I.Ragnarsson, S.AAberg, C.Andreoiu, M.P.Carpenter, R.M.Clark, J.Ekman, C.Fahlander, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.G.Sarantites, D.Seweryniak, C.E.Svensson Onset of high-spin rotational bands in the N=Z nucleus 62Ga NUCLEAR REACTIONS 40Ca(28Si, npα), E=122 MeV; measured Eγ, Iγ, (particle)γ- and γγ-coin, γγ(θ)(DCO) using the Gammasphere array and the 4π Microball system for charged particle detection at the ANL-ATLAS facility. 62Ga; deduced high-spin levels, J, π, multipolarities, band structures, alignments, and configurations; calculated energy surface contours in (ϵ2, γ) plane. Comparison with cranked Nilsson-Strutinsky (CNS) calculations.
doi: 10.1103/PhysRevC.102.014313
2020SE15 Phys.Atomic Nuclei 83, 171 (2020) A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov, R.G.Nazmitdinov, S.Aberg On Statistical Properties of the Gamow-Teller Strength Distribution in 60Ca
doi: 10.1134/S106377882002026X
2019DO07 Eur.Phys.J. A 55, 249 (2019) Collective enhancements in nuclear level densities
doi: 10.1140/epja/i2019-12890-3
2019WA27 Phys.Rev. C 100, 034301 (2019) D.E.Ward, B.G.Carlsson, P.Moller, S.AAberg Global microscopic calculations of odd-odd nuclei NUCLEAR STRUCTURE Z=8-100, N=8-156; calculated ground-state Jπ for odd-A nuclei from the lowest-energy proton or neutron quasiparticle. 158,160Tb, 164,166Ho, 168,170Tm, 174,176Lu, 182Ta, 186,188Re, 234,236Pa, 238Np, 240,242,244Cm, 250Bk; calculated excitation energies of the 2-qp bandheads, bandhead splittings in rare-earth nuclei and actinides using Folded-Yukawa quasiparticles-plus-rotor model with three different residual interactions. 50Sc, 90Y, 208,210Bi; calculated low-lying multiplets in the spherical nuclei. 174,176Lu, 180,182Ta; calculated low-lying rotational bands and K=0 bands. 248,250,252,254,256Es, 256Md; predicted ground-state spins of superheavy nuclei. Z=101-119, N=138-182; calculated Q(α) values for odd-odd superheavy nuclei. Macroscopic-microscopic finite-range droplet model combined with particle-rotor coupling model order to describe low-energy spectra of odd-odd nuclei, using different interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.034301
2018SE11 Phys.Rev. C 97, 059802 (2018) A.P.Severyukhin, S.Aberg, N.N.Arsenyev, R.G.Nazmitdinov Reply to "Comment on 'Spreading widths of giant resonances in spherical nuclei: Damped transient response'" NUCLEAR STRUCTURE 208Pb; calculated distribution of coupling matrix elements between the one- and two-phonon configurations, and B(E1) and B(E2) strength distributions for the isovector giant dipole resonance (IVGDR) and isoscalar giant quadrupole resonance (ISGQR) using random matrix distribution of phonon-phonon coupling in random-phase approximation.
doi: 10.1103/PhysRevC.97.059802
2018SE18 Phys.Rev. C 98, 044319 (2018) A.P.Severyukhin, S.AAberg, N.N.Arsenyev, R.G.Nazmitdinov Damped transient response of the giant dipole resonance in the lead region NUCLEAR STRUCTURE 206Hg, 204,206,208Pb, 210Po; analyzed strength distributions of 1- states in the region of isovector giant-dipole resonance (IVGDR) and energy interval of 9.5-18.5 MeV using quasi-random phase approximation (QRPA) based on Skyrme mean field and SLy4 interaction, with the volume pairing interaction treated in the BCS approximation. Comparison of centroid energies and spreading widths from microscopic coupling of one- and two-phonon states with those from random matrix approach to this coupling, and with experimental data.
doi: 10.1103/PhysRevC.98.044319
2017BA23 Phys.Atomic Nuclei 80, 402 (2017) A.Bajpeyi, A.Shukla, A.J.Koning, S.Aberg Study of the (p, γ) and (α, γ) reactions for 96, 98, 104Ru and 112, 114, 116Sn at astrophysically relevant energies
doi: 10.1134/S1063778817030024
2017SE10 Phys.Rev. C 95, 061305 (2017) A.P.Severyukhin, S.Aberg, N.N.Arsenyev, R.G.Nazmitdinov Spreading widths of giant resonances in spherical nuclei: Damped transient response NUCLEAR STRUCTURE 132Sn, 208Pb, 310126; analyzed centroid energies, spreading widths Γ for isoscalar giant monopole resonances (ISGMR), isovector giant dipole resonances (IVGDR), and isoscalar giant quadrupole resonances (ISGQR), B(E1) strength distributions using RPA based on the Skyrme mean field. Comparison of spreading widths obtained by means of the microscopic coupling of one- and two-phonon states with those obtained by means of the random matrix approach to this coupling. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.061305
2017SH02 J.Phys.(London) G44, 025104 (2017) Systematic nuclear structure studies using relativistic mean field theory in mass region A ∼ 130 NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136Sn, 134Te, 136Xe, 138Ba, 140Ce, 142Nd, 144Sm, 146Gd, 148Dy, 150Er, 152Yb, 154Hf; calculated binding energies, charge radii, neutron and proton occupation probabilities, neutron skin, density distributions. Comparison with available data.
doi: 10.1088/1361-6471/aa5117
2017SR01 Phys.Rev. C 95, 011303 (2017) P.C.Srivastava, S.AAberg, I.Ragnarsson Triaxial rotation-axis flip triggered by an isoscalar np pair NUCLEAR STRUCTURE 64Ge, 66As; calculated total-energy surfaces in (ϵ2, γ) plane, levels, J, π of ground-state band (T=0) of 64Ge and 9+ (T=1) band in 66As, intrinsic and spectroscopic quadrupole moments, B(E2). Cranked Nilsson-Strutinsky (CNS) model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.011303
2017WA08 Phys.Rev. C 95, 024618 (2017) D.E.Ward, B.G.Carlsson, T.Dossing, P.Moller, J.Randrup, S.AAberg Nuclear shape evolution based on microscopic level densities NUCLEAR REACTIONS 226Th, 234,236U, 240Pu(γ, F), (n, F), E(n)=thermal; calculated yield of fragments as function of proton number and angular momentum and excitation energy using parameter-free microscopic level densities obtained with the Metropolis-walk method. Comparison with experimental data. NUCLEAR STRUCTURE 236U; calculated microscopic level density as a function of angular momentum and excitation energy, potential-energy curves and mass asymmetry versus elongation using Metropolis walk, combinatorial method.
doi: 10.1103/PhysRevC.95.024618
2016FO10 Nucl.Phys. A953, 117 (2016) U.Forsberg, D.Rudolph, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, C.Fahlander, J.M.Gates, P.Golubev, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, L.G.Sarmiento, M.Schadel, A.Yakushev, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, J.Dobaczewski, K.Eberhardt, J.Even, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, W.Nazarewicz, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, Y.Shi, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Recoil-α-fission and recoil-α-α- fission events observed in the reaction 48Ca + 243Am NUCLEAR REACTIONS 243Am(48Ca, x), E=242.1, 245.0 MeV; measured reaction products, fission products, Eα, Iα(t), αα-coin, (recoil)α-coin, En, In using He-gas filled TASCA, TASISpec based on DSSSDs, other DSSSDs; deduced correlation times, α energy spectra, 23 α-decay chains of five α's and α+3n, fragments T1/2. Discussed existence of long decay chains; compared with published results. RADIOACTIVITY 289,288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); measured decay products, Eα, Iα; deduced T1/2. Comparison with available data.
doi: 10.1016/j.nuclphysa.2016.04.025
2016FO16 Phys.Lett. B 760, 293 (2016) U.Forsberg, D.Rudolph, C.Fahlander, P.Golubev, L.G.Sarmiento, S.Aberg, M.Block, Ch.E.Dullmann, F.P.Hessberger, J.V.Kratz, A.Yakushev A new assessment of the alleged link between element 115 and element 117 decay chains NUCLEAR STRUCTURE 293Ts, 289Mc; analyzed available data; deduced cross-reaction link between α-decay chains.
doi: 10.1016/j.physletb.2016.07.008
2015AB07 Nucl.Phys. A941, 97 (2015) S.Aberg, B.G.Carlsson, Th.Dossing, P.Moller The role of seniority-zero states in nuclear level densities NUCLEAR STRUCTURE 156,158Gd, 168Ho, 168Er, 176Lu, 182Ta; calculated level densities with specified angular momentum for seniority-zero, states, number of states, rotational bands, distribution of K quantum number. 40Ca, 208Pb;A=100-148; calculated level density, number of states for spherical and prolate nuclei vs angular momentum. Fermi-gas model and combinatorial level density with BCS.
doi: 10.1016/j.nuclphysa.2015.05.009
2015BA56 Eur.Phys.J. A 51, 157 (2015) A.Bajpeyi, A.J.Koning, A.Shukla, S.Aberg Systematic study of proton capture rates for Mo and Cd isotopes
doi: 10.1140/epja/i2015-15157-1
2015RU11 J.Radioanal.Nucl.Chem. 303, 1185 (2015) D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Selected spectroscopic results on element 115 decay chains RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); measured decay products, Eα, Iα; deduced Q-values, level energies, branching ratios. Comparison with GEANT4 Monte-Carlo simulations.
doi: 10.1007/s10967-014-3445-y
2015WA20 Phys.Rev. C 92, 014314 (2015) D.E.Ward, B.G.Carlsson, S.AAberg α-decay spectra of odd nuclei using the effective Skyrme interaction RADIOACTIVITY 145Pm, 147Sm, 147Eu, 149,149mTb, 187,189,191,193,195,197,199,201,201m,203,205,207,209,211,213,215,217Po, 203,205,207,209,211,213At, 207,209,211Rn, 207,209,211,213Fr, 213Ra(α); analyzed experimental data for partial half-lives and reduced widths, compared with calculated microscopic reduced widths using SLy4 and surface pairing. 279,281,283,285,287,289,291,293Bh, 281,283,285,287,289,291,293Hs, 281,283,285,287,289,291,293,295Mt, 283,285,287,289,291,293,295Ds, 283,285,287,289,291,293,295,297Rg, 285,287,289,291,293,295,297,299Cn, 285,287,289,291,293,295,297,299Nh, 287,289,291,293,295,297,299,301Fl, 287,289,291,293,295,297,299,301Mc, 289,291,293,295,297,299,301,303Lv, 289,291,293,295,297,299,301,303Ts, 291,293,295,297,299,301,303,305Og, 291,293,295,297,299,301,303,305119, 293,295,297,299,301,303,305,307120, 280,282,284,286,288,290,292,294Hs, 282,284,286,288,290,292,294,296Ds, 284,286,288,290,292,294,296,298Cn, 286,288,290,292,294,296,298,300Fl, 288,290,292,294,296,298,300,302Lv, 290,292,294,296,298,300,302,304Og, 292,294,296,298,300,302,304,306120(α); calculated Q(α) values, half-lives and reduced widths for superheavy odd-A and even-even nuclei using axially deformed Skyrme-HFB. R-matrix-type microscopic formalism for the calculation of the decay rate, using HFB wave functions obtained with SLy4 Skyrme effective interaction. NUCLEAR STRUCTURE 208Pb, 298Fl; calculated HF single-particle energies for 208Pb and Nilsson diagrams for neutron and proton levels using SLy4.
doi: 10.1103/PhysRevC.92.014314
2014RU04 Acta Phys.Pol. B45, 263 (2014) D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Alpha-Photon Coincidence Spectroscopy Along Element 115 Decay Chains RADIOACTIVITY 287,288Mc, 283,284Nh, 279,280Rg, 275,276Mt, 271,272Bh(α), 267,268Db(SF) [from 243Am(48Ca, X), E not given]; measured decay products, Eα, Iα, Eγ, Iγ, X-rays; deduced T1/2, correlated α-decay chains. Comparison with available data.
doi: 10.5506/APhysPolB.45.263
2014SH03 Phys.Rev. C 89, 014329 (2014) Deformed bubble nuclei in the light-mass region NUCLEAR STRUCTURE 24Ne, 32Si, 32Ar; investigated possibility for existence of deformed bubble nuclei. 24,26,28,30,32,34Si, 24Ne, 32Ar, 36S, 36Ca; calculated proton depletion fractions as function of deformation for Z=14 nuclei. 24Ne, 26Mg, 28Si, 30S, 32Ar, 34,36Ca; calculated neutron depletion fractions as function of deformation for N=14 nuclei. 32Si; calculated neutron and proton density contour plots. 24Ne, 32,34Si, 32Ar; calculated binding energy per nucleon, neutron, rms charge and rms matter radii. Relativistic mean field (RMF) model. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.014329
2014WA55 Phys.Scr. 89, 054027 (2014) D.E.Ward, B.G.Carlsson, S.Aberg Alpha-particle formation and decay rates from Skyrme-HFB wave functions RADIOACTIVITY 212Po(α); calculated α-particle formation amplitude, α-decay width using R-matrix with HFB wavefunctions with Skyrme interactions. Decay width compared to data.
doi: 10.1088/0031-8949/89/5/054027
2013RU11 Phys.Rev.Lett. 111, 112502 (2013) D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, F.P.Hessberger, R.-D.Herzberg, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Spectroscopy of Element 115 Decay Chains RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α) [from 243Am(48Ca, X), E=5.4 MeV/nucleon]; measured decay products, Eα, Iα, Eγ, Iγ, X-rays. 280Rg, 276Mt; deduced T1/2, Q-value, α-decay scheme. Comparison with Monte Carlo calculations.
doi: 10.1103/PhysRevLett.111.112502
2013UH01 Nucl.Phys. A913, 127 (2013) H.Uhrenholt, S.Aberg, A.Dobrowolski, Th.Dossing, T.Ichikawa, P.Moller Combinatorial nuclear level-density model NUCLEAR STRUCTURE 60Co, 68Zn, 76,78,80,82,84,86Sr, 94Nb, 97,98Mo, 107,109,111,112,113,114,115,117Cd, 127Te, 148Pm, 148,149Sm, 155Eu, 161,162Dy, 166,167Er, 169,170,171,172,173,174,175,177Yb, 194Ir, 237U, 239Pu; calculated level density, angular momentum distribution, parity ratio, pairing gap. 90Zr, 90Nb; calculated J, π level density. A=20-255; calculated level density at neutron separation energy, vibrational enhancement. Combinatorial (microcanonical) model with folded Yukawa, pairing, rotational and vibrational states. Compared with available data.
doi: 10.1016/j.nuclphysa.2013.06.002
2013WA30 Phys.Rev. C 88, 064316 (2013) D.E.Ward, B.G.Carlsson, S.AAberg α-decay calculations of heavy nuclei using an effective Skyrme interaction NUCLEAR STRUCTURE 208Pb; calculated neutron and proton densities by solving the HFB equations using a spherical oscillator basis. RADIOACTIVITY 210Pb, 210,212Po(α); calculated decay widths for different sizes of the oscillator basis, and three different Skyrme forces, effect on decay rate with the Lipkin-Nogami (LN) procedure, HFB+LN and HFB approaches density dependence of pairing forces. 194,196,198,200,202,204,206,208,210,212,214,216,218Po, 202,204,206,208,210,212,214,216,218Rn, 206,208,210,212,214,216,218Ra, 144Nd, 146Sm, 148Gd, 150Dy, 152,154Er, 154,156Yb, 156,158Hf, 158,160W, 162Os, 294,296,298,300Fl, 294,296,298,300Fl, 306,308,310,312126(α); calculated α decay widths, half-lives of Fl and Z=126 isotopes. Nuclear ground states calculated with the Hartree-Fock-Bogoliubov (HFB) method with Skyrme interaction. Microscopic α-decay formation amplitudes calculated from HFB wave functions, and α widths with R-matrix formalism. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.064316
2011SH26 J.Phys.(London) G38, 095103 (2011) Nuclear structure and reaction properties of even-even oxygen isotopes towards drip line NUCLEAR STRUCTURE 12C, 12,14,16,18,20,22,24,26,28O; calculated rms matter and charge radii, deformations, two neutron separation energies. NUCLEAR REACTIONS 12C(12O, X), (14O, X), (16O, X), (18O, X), (20O, X), (22O, X), (24O, X), (26O, X), (28O, X), E=1000 MeV/nucleon; calculated σ.
doi: 10.1088/0954-3899/38/9/095103
2009AB18 Int.J.Mod.Phys. E18, 926 (2009) S.Aberg, H.Uhrenholt, T.Ichikawa, P.Moller Chaos and structure of level densities NUCLEAR STRUCTURE 79Cu, 162Dy, 172Yb; calculated level density.
doi: 10.1142/S0218301309013063
2009MO18 Phys.Rev. C 79, 064304 (2009) P.Moller, A.J.Sierk, T.Ichikawa, A.Iwamoto, R.Bengtsson, H.Uhrenholt, S.Aberg Heavy-element fission barriers NUCLEAR STRUCTURE Z=90-99, A=225-256; calculated double-humped fission barrier energies, first and second saddle heights, and fission-isomer energies. Z=78-125, N=91-188, A=171-312; calculated fission barrier heights for 1585 nuclides. 232Th; calculated proton and neutron single particle levels at saddles for symmetric and asymmetric fission modes. 228Th, 236U, 243Am, 252Cf, 278Nh, 305125; calculated potential energy surfaces. 232Th, 238,239,241,242,243Am; calculated fission-barrier structures and Fermi-gas level density parameters. Macroscopic-microscopic finite-range liquid-drop model. RADIOACTIVITY 236U, 232,240Pu, 222,224,230Cm, 224,230Cf, 226,252,258Fm, 277Cn(α)(SF); calculated α-decay and SF decay half-lives. 180Tl, 188Bi, 192,194,196At, 228Np, 232,234Am, 238,240Bk, 242,244,246,248Es, 246,248,250Md(EC); calculated Q-values and fission barriers in the daughter nuclides. Macroscopic-microscopic finite-range liquid-drop model calculations. Comparisons with experimental data.
doi: 10.1103/PhysRevC.79.064304
2008KO01 Phys.Rev. C 77, 014305 (2008) V.M.Kolomietz, S.Aberg, S.V.Radionov Collective motion in a quantum diffusive environment RADIOACTIVITY 236U(SF); calculated saddle-to-scission time and scission energy for symmetric fission. NUCLEAR STRUCTURE 236U; calculated collective classical variable and quantum mechanical occupancies of nuclear states, level spacings. Collective model.
doi: 10.1103/PhysRevC.77.014305
2006JU01 Phys.Rev. C 73, 044327 (2006) A.Juodagalvis, I.Ragnarsson, S.Aberg Cranked Nilsson-Strutinsky vs the spherical shell model: A comparative study of pf-shell nuclei NUCLEAR STRUCTURE 44,45,46Ti, 47V, 48,49Cr; calculated rotational band energies, configurations, deformation, signature splitting, related features. Comparison of unpaired cranked Nilsson-Strutinsky and spherical shell model approaches.
doi: 10.1103/PhysRevC.73.044327
2006JU06 Phys.Scr. T125, 198 (2006) A.Juodagalvis, I.Ragnarsson, S.Aberg Pairing and signature splitting in pf-shell nuclei NUCLEAR STRUCTURE 45Ti, 47V, 49Cr; calculated rotational band level energies, signature splitting. Cranked Nilsson-Strutinsky model.
doi: 10.1088/0031-8949/2006/T125/049
2006OG06 Phys.Scr. T125, 37 (2006) M.Ogren, Y.Yu, S.Aberg, S.M.Reimann, M.Brack Super-shell structure in harmonically trapped fermionic gases and its semi-classical interpretation
doi: 10.1088/0031-8949/2006/T125/008
2006OL01 Phys.Rev.Lett. 96, 042502 (2006) H.Olofsson, S.Aberg, O.Bohigas, P.Leboeuf Correlation in Nuclear Masses ATOMIC MASSES A=20-250; analyzed differences between measured and calculated masses; deduced chaotic dynamics effects.
doi: 10.1103/PhysRevLett.96.042502
2006OL08 Phys.Scr. T125, 162 (2006) H.Olofsson, S.Aberg, O.Bohigas, P.Leboeuf Correlations and chaotic motion in nuclear masses
doi: 10.1088/0031-8949/2006/T125/037
2006RU02 Phys.Rev.Lett. 96, 092501 (2006) D.Rudolph, B.G.Carlsson, I.Ragnarsson, S.Aberg, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, M.Cromaz, J.Ekman, C.Fahlander, P.Fallon, E.Ideguchi, A.O.Macchiavelli, M.N.Mineva, W.Reviol, D.G.Sarantites, D.Seweryniak, S.J.Williams 58Ni: An Unpaired Band Crossing at New Heights of Angular Momentum for Rotating Nuclei NUCLEAR REACTIONS 28Si(32S, 2p), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 58Ni deduced high-spin levels, J, π, configurations, unpaired band crossing. Gammasphere, Microball arrays.
doi: 10.1103/PhysRevLett.96.092501
2005RA16 Phys.Rev. C 71, 064304 (2005) Nuclear friction and quantum mechanical diffusion
doi: 10.1103/PhysRevC.71.064304
2004AB18 Phys.Lett. B 598, 42 (2004) S.Aberg, A.Heine, G.E.Mitchell, A.Richter Isospin symmetry breaking in 93Tc and statistical properties NUCLEAR STRUCTURE 93Tc; analyzed proton resonance energy, widths, isospin mixing effects. Random matrix theory.
doi: 10.1016/j.physletb.2004.07.051
2004RA09 Eur.Phys.J. A 20, 35 (2004) I.Ragnarsson, C.Andreoiu, T.Dossing, C.Fahlander, D.Rudolph, S.Aberg Complete spectroscopy in high-spin cranking calculations NUCLEAR STRUCTURE 59Cu; calculated levels, J, π, rotational and superdeformed bands configurations. Cranked Nilsson-Strutinsky formalism.
doi: 10.1140/epja/i2002-10316-1
2003AN35 Phys.Rev.Lett. 91, 232502 (2003) C.Andreoiu, T.Dossing, C.Fahlander, I.Ragnarsson, D.Rudolph, S.Aberg, R.A.E.Austin, M.P.Carpenter, R.M.Clark, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, T.Rodinger, D.G.Sarantites, D.Seweryniak, T.Steinhardt, C.E.Svensson, O.Thelen, J.C.Waddington Doorway States in the Gamma Decay-Out of the Yrast Superdeformed Band in 59Cu NUCLEAR REACTIONS 40Ca(28Si, p2α), E=122 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 59Cu deduced superdeformed band levels J, π, decay-out transitions, doorway states features. Configuration-dependent cranked Nilsson-Strutinsky model calculations.
doi: 10.1103/PhysRevLett.91.232502
2001JU02 Nucl.Phys. A683, 207 (2001) Rotational Structure of T = 0 and T = 1 Bands in the N = Z Nucleus 62Ga NUCLEAR STRUCTURE 62Ga; calculated rotational bands features, band termination, quadrupole moments, pairing energy. Spherical shell model, cranked Nilsson-Strutinsky model. Comparison with data.
doi: 10.1016/S0375-9474(00)00441-3
2001SV01 Nucl.Phys. A682, 1c (2001) C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, C.Baktash, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, M.Furlotti, A.Galindo-Uribarri, R.V.F.Janssens, G.J.Lane, I.Y.Lee, M.Lipoglavsek, F.Nowacki, S.D.Paul, D.C.Radford, D.G.Sarantites, D.Seweryniak, F.S.Stephens, V.Tomov, K.Vetter, D.Ward, C.H.Yu Collective Rotational Motion in the N = Z Nucleus 36Ar NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, (charged particle)γ-, γγ-coin, DSA. 36Ar deduced high-spin levels, J, π, T1/2, superdeformed band. Gammasphere, Microball arrays. Shell model and cranked mean-field calculations.
doi: 10.1016/S0375-9474(00)00615-1
2001SV02 Phys.Rev. C63, 061301 (2001) C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.V.F.Janssens, G.J.Lane, I.Y.Lee, F.Nowacki, D.G.Sarantites, F.S.Stephens, K.Vetter, D.Ward Lifetimes of Superdeformed Rotational States in 36Ar NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 36Ar deduced high-spin levels, superdeformed band J, π, T1/2, B(E2), quadrupole deformation. Gammasphere, Microball arrays. Comparison with cranked mean-field and large-scale shell model calculations.
doi: 10.1103/PhysRevC.63.061301
2001SV03 Acta Phys.Pol. B32, 2413 (2001) C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, C.Baktash, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, M.Furlotti, A.Galindo-Uribarri, R.V.F.Janssens, G.J.Lane, I.Y.Lee, M.Lipoglavsek, F.Nowacki, S.D.Paul, D.C.Radford, D.G.Sarantites, D.Seweryniak, F.S.Stephens, V.Tomov, K.Vetter, D.Ward, C.H.Yu Fast Rotation of the N = Z Nucleus 36Ar NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 36Ar deduced high-spin levels, J, π, configurations, deformation, band termination. Gammasphere, Microball arrays. Cranked mean-field calculations.
2000JU03 Phys.Lett. 477B, 66 (2000) A.Juodagalvis, I.Ragnarsson, S.Aberg Triaxiality in 48Cr NUCLEAR STRUCTURE 48Cr; calculated rotational band level energies, J, B(E2), potential energy surfaces; deduced triaxial deformation. Cranked Nilsson-Strutinsky model.
doi: 10.1016/S0370-2693(00)00214-8
2000SV02 Phys.Rev.Lett. 85, 2693 (2000) C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, C.Baktash, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, M.Furlotti, A.Galindo-Uribarri, R.V.F.Janssens, G.J.Lane, I.Y.Lee, M.Lipoglavsek, F.Nowacki, S.D.Paul, D.C.Radford, D.G.Sarantites, D.Seweryniak, F.S.Stephens, V.Tomov, K.Vetter, D.Ward, C.H.Yu Superdeformation in the N = Z Nucleus 36Ar: Experimental, deformed mean field, and spherical shell model descriptions NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 36Ar deduced high-spin levels, J, π, superdeformed band, configurations. Gammasphere, Microball arrays. Cranked mean-field calculations, shell model calculations.
doi: 10.1103/PhysRevLett.85.2693
1999AB03 Phys.Rev.Lett. 82, 299 (1999) Chaos Assisted Tunneling from Superdeformed States NUCLEAR STRUCTURE 152Dy; calculated tunneling probability from superdeformed states vs angular momentum; deduced role of normal-deformed states chaotic properties.
doi: 10.1103/PhysRevLett.82.299
1999AB21 Nucl.Phys. A649, 392c (1999) Decay-Out from SD States Initiated by the Onset of Chaos
doi: 10.1016/S0375-9474(99)00089-5
1998JU04 Phys.Lett. 428B, 227 (1998) Band Termination in the Shell Model NUCLEAR STRUCTURE 20Ne, 46Ti, 48Cr; calculated rotational bands levels, configurations, termination features. Shell model, seniority-coupling scheme.
doi: 10.1016/S0370-2693(98)00431-6
1998KA02 Phys.Lett. 416B, 16 (1998) L.B.Karlsson, I.Ragnarsson, S.Aberg Identical Bands in Superdeformed Nuclei NUCLEAR STRUCTURE 152Dy; calculated superdeformed bands configurations, moments of inertia, quadrupole moments; deduced identical bands high-N orbitals role. Cranked Nilsson-Strutinsky calculations.
doi: 10.1016/S0370-2693(97)01324-5
1998KA41 Nucl.Phys. A639, 654 (1998) L.B.Karlsson, I.Ragnarsson, S.Aberg Polarization Effects in Superdeformed Nuclei NUCLEAR STRUCTURE 142Sm, 143Eu, 144,148,149,150Gd, 151Tb, 148,150,151,152Dy; calculated superdeformed bands quadrupole moments; deduced single-particle polarization effects. Nilsson-Strutinsky calculations. Comparison with data.
doi: 10.1016/S0375-9474(98)00436-9
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
1997AB28 Z.Phys. A358, 269 (1997) S.Aberg, L.-O.Jonsson, L.B.Karlsson, I.Ragnarsson Aspects on Superdeformed Nuclei NUCLEAR STRUCTURE 152Dy; calculated superdeformed configurations Eγ distribution function, moment of inertia fractional change, single-particle, electrical quadrupole moments; deduced identical bands related features. 166Yb; calculated Eγ distribution function, normal deformal configurations. 146Gd; calculated hyperdeformed rotational band spreading, separation vs excitation energy. 180Hg; calculated potential energy surfaces, deformation related features; deduced hyperdeformation features. 148,149Gd calculated superdeformed configurations electrical quadrupole moments relative to 152Dy core. Effective single particle operators, full cranked Nilsson-Strutinsky approaches.
doi: 10.1007/s002180050326
1997JO21 Nucl.Phys. A627, 53 (1997) ' Hyperdeformed ' Nuclei in the Light Hg Region NUCLEAR STRUCTURE 180,182,190Hg; calculated potential energy surfaces. 180,182Hg; calculated rotational bands configurations, total energy vs spin, deformation; deduced hyperdeformed shapes. Cranked shell model, Woods-Saxon potential.
doi: 10.1016/S0375-9474(97)00475-2
1997MA36 Nucl.Phys. A620, 296 (1997) M.Matsuo, T.Dossing, E.Vigezzi, S.Aberg Level Statistics of Near-Yrast States in Rapidly Rotating Nuclei NUCLEAR STRUCTURE 160,161,162,163,164,165Dy, 162,163,164,165,166,167Er, 166,167,168,169,170,171,172,173Yb, 161,162,163,164,165,166Ho, 163,164,165,166,167,168Tm, 167,168,169,170,171,172,173,174Lu; analyzed high-spin level data; deduced nearest neighbor level spacing distribution related features. Cranked shell model.
doi: 10.1016/S0375-9474(97)00170-X
1997MI05 Nucl.Phys. A614, 44 (1997) Deformed Nuclear Halos NUCLEAR STRUCTURE Z=10; N=10; calculated macroscopic energy vs β2, β4, β6. Deformed single-particle model.
doi: 10.1016/S0375-9474(96)00458-7
1995JO12 Phys.Lett. 348B, 309 (1995) Giant Dipole Resonance in Nuclei with Exotic Shape NUCLEAR STRUCTURE 96Zr; calculated GDR strength function for this nucleus and for separated 48Ca fragments; deduced necking degree of freedom role. Woods-Saxon potential, exotic nuclear shapes, RPA for phonon states.
doi: 10.1016/0370-2693(95)00167-J
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
1994AB17 Z.Phys. A349, 205 (1994) Clustering Aspects of Nuclei with Octupole and Superdeformation NUCLEAR STRUCTURE A=4-149; N=20-140; compiled, reviewed clustering aspects; deduced superdeformation, di-molecules, hyperdeformation related features.
1994BE15 Phys.Rev.Lett. 72, 3288 (1994) Comment on ' The Proton h11/2 Intruder Orbital: Evidence for collectivity and a strong proton-neutron interaction '
doi: 10.1103/PhysRevLett.72.3288
1994FA13 Phys.Rev.Lett. 73, 782 (1994) P.Fallon, C.W.Beausang, S.Clarke, P.J.Twin, F.A.Beck, Th.Byrski, D.Curien, P.J.Dagnall, G.de France, G.Duchene, P.D.Forsyth, B.Haas, M.J.Joyce, A.O.Macchiavelli, E.S.Paul, J.F.Sharpey-Schafer, J.Simpson, J.P.Vivien, S.Aberg, W.Nazarewicz Pair Excitaions and a Proton Band Crossing in Superdeformed 150Gd NUCLEAR REACTIONS 130Te(26Mg, 6n), E=149 MeV; measured γγ-coin. 150Gd deduced superdeformed high-spin band, configuration, dynamic moments of inertia, relative Iγ.
doi: 10.1103/PhysRevLett.73.782
1993AB08 Nucl.Phys. A557, 17c (1993) Superdeformed Nuclei NUCLEAR STRUCTURE 146,150Gd, 151Tb, 152Dy, 188,190,191,192,193,194Hg; compiled, reviewed superdeformed band related data. 146Gd deduced hyperdeformation evidence. Other nuclei included.
doi: 10.1016/0375-9474(93)90528-6
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
1992NA12 Phys.Lett. 289B, 238 (1992) Quadrupole Splitting of Octupole Vibrational States NUCLEAR STRUCTURE A=150; calculated giant octupole, dipole, quadrupole resonance K-component splittings; deduced analytical RPA solutions at spherical, superdeformed, hyperdeformed shells.
doi: 10.1016/0370-2693(92)91212-R
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
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
1990AB03 Phys.Rev.Lett. 64, 3119 (1990) Onset of Chaos in Rapidly Rotating Nuclei NUCLEAR STRUCTURE 168Yb; calculated rotational frequency vs excitation. 152Dy; calculated level separation, other model parameters. Chaos in rapidly rotating nuclei.
doi: 10.1103/PhysRevLett.64.3119
1990AB08 Nucl.Phys. A520, 35c (1990) Superdeformations - A Theoretical Overview NUCLEAR STRUCTURE A=66-218; compiled superdeformed state calculations, data analyses.
doi: 10.1016/0375-9474(90)91132-B
1990AB13 Ann.Rev.Nucl.Part.Sci. 40, 439 (1990) S.Aberg, H.Flocard, W.Nazarewicz Nuclear Shapes in Mean Field Theory NUCLEAR STRUCTURE 188Os; 154Sm; 74,76,78,80,82,84Sr; 96,98,100Zr; compiled, evaluated energy surfaces. 182,184,186W; compiled, reviewed shape variables related features. 158,160,162,164,166,168Yb; compiled, evaluated data. 212Rn; compiled, evaluated spectra. 151,152,153Dy, 150,151Tb, 146,148,149,150Gd; compiled, evaluated superdeformed bands data. 180,182,184,186,188,190,192,194Hg; analyzed prolate-oblate energy difference. 186,188,190,192,194,196,198,200,202,204,206Pb; analyzed level data. Other aspects, nuclei discussed.
doi: 10.1146/annurev.ns.40.120190.002255
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
1990HE14 Phys.Lett. 240B, 311 (1990) G.Hebbinghaus, K.Strahle, T.Rzaca-Urban, D.Balabanski, W.Gast, R.M.Lieder, H.Schnare, W.Urban, H.Wolters, E.Ott, J.Theuerkauf, K.O.Zell, J.Eberth, P.von Brentano, D.Alber, K.H.Maier, W.Schmitz, E.M.Beck, H.Hubel, T.Bengtsson, I.Ragnarsson, S.Aberg Superdeformed Band in 146Gd. First Observation of Band Crossing NUCLEAR REACTIONS 110Pd(40Ar, 4n), E=180 MeV; measured γ-multiplicity, sum spectra, DSA. 146Gd deduced levels, J, π, T1/2, superdeformed band structure.
doi: 10.1016/0370-2693(90)91104-J
1990HO13 Z.Phys. A336, 363 (1990) Octupole Instability of Super- and Hyperdeformed Nuclei NUCLEAR STRUCTURE 152Dy, 190,194Hg, 200Rn; calculated potential energy surfaces; deduced possible superdeformation, hyperdeformation. 146Gd, 152Dy, 194,190Hg, 196Pb, 198Po, 200Rn; calculated octupole softness; deduced possible superdeformation. Cranked Nilsson-Strutinsky model.
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
1988AB09 Nucl.Phys. A488, 147c (1988) Nuclear Structure at High Spins - The Role of Shape Symmetries NUCLEAR STRUCTURE 158Er, 150,149,148,146Gd, 152Dy, 220,221,222,223,224,226,228,230Th; analyzed data; deduced shell spectroscopic consequences.
doi: 10.1016/0375-9474(88)90259-X
1988BE22 Phys.Lett. 208B, 39 (1988) T.Bengtsson, I.Ragnarsson, S.Aberg The Role of High-N Orbits in Superdeformed States NUCLEAR STRUCTURE 152Dy, 149Gd, 148Eu, 146Sm; calculated superdeformed quadrupole moment, moment of inertia vs spin.
doi: 10.1016/0370-2693(88)91199-9
1988SH30 J.Phys.(London) G14, 1201 (1988) R.K.Sheline, I.Ragnarsson, S.Aberg, A.Watt Interpretation of the Spectroscopy of 24Mg; A comparison of the shell model and the Nilsson-Strutinsky model NUCLEAR STRUCTURE 24Mg; calculated levels, potential energy surfaces, B(E2). Shell, Nilsson-Strutinsky models comparison.
doi: 10.1088/0305-4616/14/9/008
1987AB10 Nucl.Phys. A473, 1 (1987) Giant Monopole and Quadrupole Resonances in Rotating Nuclei NUCLEAR STRUCTURE A=160; calculated isoscalar, isovector quadrupole, monopole vibrational levels. RPA.
doi: 10.1016/0375-9474(87)90152-7
1987BE42 Nucl.Phys. A473, 77 (1987) R.Bengtsson, I.Ragnarsson, S.Aberg, A.Gyurkovich, A.Sobiczewski, K.Pomorski Properties of Nuclei at the Third-Minimum Deformation NUCLEAR STRUCTURE 226,230,232,236Th, 228Rn, 236Pu; calculated potential energy surfaces vs deformation. Macroscopic-microscopic method.
doi: 10.1016/0375-9474(87)90156-4
1986BE09 Phys.Lett. 172B, 277 (1986) g Factors as a Probe of Correlated Changes of the Nuclear Deformation and Pair Field in Ground-State Rotational Bands NUCLEAR STRUCTURE 154Dy; calculated g-band transitional quadrupole moments, g proton, neutron pairing gap energy vs ground state deformation. 164Dy, 158,168Yb; calculated proton pairing gap energy vs ground state deformation. 160Yb; calculated neutron pairing gap energy vs ground state deformation, g. 156,160,162Dy; calculated neutron, proton energy gaps, g. 154,156,158,160,162,164Dy deduced correlation between Δ(n), Δ(p), g.
doi: 10.1016/0370-2693(86)90251-0
1986HA47 Phys.Scr. 34, 697 (1986) Structure of Low-Lying K(π) = 1+ Mode in a Microscopic Model NUCLEAR STRUCTURE 156Gd; calculated B(M1), transition densities. Woods-Saxon potential. NUCLEAR REACTIONS 156Gd(e, e'), E ≤ 80 MeV; calculated σ(E, θ). DWBA.
doi: 10.1088/0031-8949/34/6A/026
1986JO02 Nucl.Phys. A449, 537 (1986) S.Jonsson, N.Roy, H.Ryde, W.Walus, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, R.Bengtsson, S.Aberg Near-Yrast Spectroscopy of 164Yb and Neighbouring Nuclei: Systematics of octupole bands and bandcrossings NUCLEAR STRUCTURE 164Yb; calculated levels, octupole band structure, routhians; deduced two-quasineutron routhians, alignments and two-quasineutron residual interaction. Cranked-shell-model comaprison. Octupole-phonon plus rotor calculation of octupole bands. NUCLEAR REACTIONS 152Sm(16O, 4n), 150Sm(18O, 4n), E=81-84 MeV; measured γγ-coin, γ(θ). 164Yb deduced levels, J, π, ICC, rotational band characteristics. Enriched targets, Ge(Li) detectors, Compton-suppressed Ge(Li) coincidence set-up, mini-orange spectrometer, Si(Li) detector. Cranked shell model calculations.
doi: 10.1016/0375-9474(86)90234-4
1985AB04 Phys.Scr. 31, 233 (1985) Competition between Pairing and Quadrupole Deformation in the Yrast Sequence of 150,152Dy NUCLEAR STRUCTURE 150,152Dy; calculated levels, equilibrium deformations; deduced pairing, spin interdependence role. Blocked BCS model, Nilsson-Strutinsky basis.
1985AB09 Nucl.Phys. A443, 91 (1985) S.Aberg, T.Dossing, K.Neergard Theoretical Calculations of γ-Ray Feeding Patterns for Gd, Dy and Er Nuclei NUCLEAR STRUCTURE 146,147,148,149,150Gd, 148,149,150,151,152Dy, 150,152,153,154Er; calculated levels, γ-spectra side feeding patterns, stretched dipole continuum spectra. Deformed oblate potential, many quasiparticle configurations, Monte Carlo calculations.
doi: 10.1016/0375-9474(85)90323-9
1985PE01 Phys.Rev.Lett. 54, 306 (1985) J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, M.Diebel, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker, S.Aberg Population of Triaxial Rotor Levels in 182Os NUCLEAR REACTIONS 48Ca, 48,50Ti(136Xe, X), E=4.3-4.8 MeV/nucleon; measured Eγ, Iγ. 182Os deduced isomer, J, T1/2, decay characteristics, K selection rule violation, yrast configuration triaxiality.
doi: 10.1103/PhysRevLett.54.306
1984HA40 Phys.Lett. 145B, 163 (1984) Microscopic Description of a Low-Lying K(π) = 1+ Mode in 156Gd NUCLEAR REACTIONS 156Gd(e, e), (e, e'), E not given; calculated M1 form factors; deduced proton excitation convection current role. Microscopic model. NUCLEAR STRUCTURE 156Gd; calculated levels, B(M1); deduced proton excitation convection current role. Microscopic model.
doi: 10.1016/0370-2693(84)90329-0
1983BE30 Nucl.Phys. A405, 221 (1983) R.Bengtsson, Y.-S.Chen, J.-Y.Zhang, S.Aberg Deformation Changes along the Yrast Line in 160Yb NUCLEAR STRUCTURE 160Yb; calculated yrast levels, ground band deformation vs spin, band moments of inertia. Cranked HFB model, particle number projection.
doi: 10.1016/0375-9474(83)90569-9
1982AB01 Phys.Scr. 25, 23 (1982) High-Spin Potential-Energy Surfaces NUCLEAR STRUCTURE A=66-218; calculated high-spin potential energy surfaces. Cranked Nilsson-Strutinsky model.
1982AB05 Nucl.Phys. A391, 327 (1982) S.Aberg, I.Ragnarsson, T.Bengtsson, R.K.Sheline A Unified Approach to Particle-Holes and Rotations in the Spectrum of 16O NUCLEAR STRUCTURE 16O; calculated level energies vs spin, potential energy surfaces; analyzed rotational bands. Cranked Nilsson-Strutinsky formalism.
doi: 10.1016/0375-9474(82)90613-3
1982RA18 Phys.Lett. 114B, 387 (1982) Shape Coexistence and High-Spin States in 28Si NUCLEAR STRUCTURE 28Si; calculated levels, potential energy surfaces, quadrupole moments. Cranked Nilsson-Strutinsky model.
doi: 10.1016/0370-2693(82)90077-6
1982ZH03 Nucl.Phys. A390, 314 (1982) A Microscopic Analysis of Moments of Inertia NUCLEAR STRUCTURE 160,166Yb; calculated potential energy surfaces. 160,162,164,166,168,170,172,174,176Yb; calculated equilibrium deformation, moment of inertia vs spin. Microscopic model.
doi: 10.1016/0375-9474(82)90163-4
1981BE41 Phys.Scr. 24, 200 (1981) T.Bengtsson, M.E.Faber, G.Leander, P.Moller, M.Ploszajczak, I.Ragnarsson, S.Aberg Some Properties of Superdeformed Nuclei NUCLEAR STRUCTURE 152Dy; calculated potential, shell energy surfaces; 90,92Zr, 96Ru; calculated potential energy vs deformation; 96Ru; calculated liquid drop model energy. Anisotropic harmonic oscillator potential. A ≈ 100; deduced superdeformed properties. A ≈ 150; deduced superdeformed properties.
doi: 10.1088/0031-8949/24/1B/016
1981RA06 Nucl.Phys. A361, 1 (1981) I.Ragnarsson, S.Aberg, H.-B.Hakansson, R.K.Sheline Application of the Cranked Nilsson Model in some Light Nuclei: The super backbend in 11B and 11C ( Question ) NUCLEAR STRUCTURE 8Be, 11,12C, 11B; calculated yrast levels, potential energy surfaces. 11C, 11B deduced super backbend. Cranked Nilsson model.
doi: 10.1016/0375-9474(81)90468-1
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