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NSR database version of April 11, 2024.

Search: Author = B.G.Carlsson

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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
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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
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2023KA10      Phys.Rev. C 107, 044306 (2023)

A.Kardan, B.G.Carlsson, T.Dossing, I.Ragnarsson

High-spin rotational bands in 137Nd

NUCLEAR STRUCTURE 137Nd; calculated energies of low-lying CNS configurations in 137Nd for five groups: triaxial bands, near-oblate bands, HD bands, terminating bands, and superdeformed (SD) bands as function of spin, single-proton and single-neutron energies as a function of rotational frequency (Routhians), energies of levels in 137Nd relative to a rotating liquid drop reference for the observed bands above of spin ≈ 15, level densities as functions of spin and level energies using unpaired cranked Nilsson-Strutinsky (CNS) and cranked Nilsson-Strutinsky-Bogoliubov methods; analyzed in detail experimentally observed high-spin and highly deformed (HD) prolate rotational bands in 137Nd by 2019Pe08 (Phys. Rev. C 99, 041301 (2019)).

doi: 10.1103/PhysRevC.107.044306
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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
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2022LJ01      Phys.Rev. C 106, 014314 (2022)

J.Ljungberg, B.G.Carlsson, J.Rotureau, A.Idini, I.Ragnarsson

Nuclear spectra from low-energy interactions

NUCLEAR STRUCTURE 24Mg, 48,49,50,52Cr; calculated levels, J, π, B(E2), Q2, HFB energy versus deformation for with SLy4-H Hamiltonian, Hartree-Fock binding energies versus deformation for 48Cr. Generator-coordinate method using effective Hamiltonian that reproduces stiffness associated with collective modes, and a mapping from a density functional to the corresponding Hamiltonian, with Skyrme-based energy-density functional (EDF). Comparison with experimental data.

doi: 10.1103/PhysRevC.106.014314
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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
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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
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2021BA03      Phys.Rev. C 103, 014301 (2021)

A.Basu, A.K.Singh, I.Ragnarsson, B.G.Carlsson, A.Kardan, G.B.Hagemann, G.Sletten, B.Herskind, H.Hubel, S.Chmel, A.N.Wilson, J.Rogers, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, S.Zhu, A.Korichi, P.Fallon, B.M.Nyako, J.Timar

Highly deformed band structures due to core excitations in 123Xe

NUCLEAR REACTIONS 80Se(48Ca, 5n)123Xe, E=207 MeV; measured Eγ, Iγ, two to four-fold γγ-coin, angular-distribution ratios for eight transitions using the Gammasphere array at ATLAS-ANL facility. 123Xe; deduced high-spin levels, J, π, multipolarities, highly-deformed rotational bands, alignments, band crossings, configurations; calculated total energy surfaces. Comparison with cranked Nilsson-Strutinsky (CNS) and cranked Nilsson-Strutinsky-Bogoliubov (CNSB) models.

doi: 10.1103/PhysRevC.103.014301
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2021CA14      Phys.Rev.Lett. 126, 172501 (2021)

B.G.Carlsson, J.Rotureau

New and Practical Formulation for Overlaps of Bogoliubov Vacua

doi: 10.1103/PhysRevLett.126.172501
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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
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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
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2020KA05      Phys.Rev. C 101, 014323 (2020)

A.Kardan, I.Ragnarsson, B.G.Carlsson, H.-L.Ma

Interpretation of normal-deformed bands in 167Lu

NUCLEAR STRUCTURE 167Lu; calculated single-routhian orbitals at an average deformation for the normal-deformed bands, energies of unpaired and paired yrast and other bands of positive and negative configurations, spin versus Eγ distributions, average pairing energies relative to a rotating liquid drop, deformation trajectories, transition quadrupole moments, total energy surfaces in the (ϵ2, γ) plane. Observed normal-deformed rotational structures in 167Lu interpreted using unpaired and paired cranked Nilsson-Strutinsky (CNS) formalisms, cranked Nilsson-Strutinsky, and cranked Nilsson-Strutinsky-Bogoliubov (CNSB) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.014323
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2019AL17      Phys.Rev. C 99, 055801 (2019)

W.Almosly, B.G.Carlsson, J.Suhonen, E.Ydrefors

Neutral-current supernova-neutrino cross sections for 204, 206, 208Pb calculated by Skyrme quasiparticle random-phase approximation

NUCLEAR REACTIONS 204,206,208Pb(ν, ν'), (ν-bar, ν-bar'), E=5-95 MeV; calculated total scattering σ(E), partial scattering σ(E) to different multipole channels, averaged scattering σ(E) of neutral-current supernova neutrinos. 208Pb; calculated average energies for the transitions to states with L=1 and 2. Quasiparticle random-phase approximation (QRPA) theory with three different Skyrme interactions. Comparison with other theoretical predictions.

doi: 10.1103/PhysRevC.99.055801
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2019TO10      Eur.Phys.J. A 55, 158 (2019)

D.A.Torres, R.Chapman, V.Kumar, B.Hadinia, A.Hodsdon, M.Labiche, X.Liang, D.O'Donnell, J.Ollier, R.Orlandi, J.F.Smith, K.-M.Spohr, P.Wady, Z.M.Wang, L.Corradi, E.Fioretto, A.Gadea, G.de Angelis, N.Marginean, D.R.Napoli, E.Sahin, A.M.Stefanini, J.J.Valiente-Dobon, F.D.Vedova, M.Axiotis, T.Martinez, S.Szilner, D.Bazzacco, S.Beghini, E.Farnea, R.Marginean, D.Mengoni, G.Montagnoli, F.Recchia, F.Scarlassara, C.A.Ur, S.M.Lenzi, S.Lunardi, T.Kroll, F.Haas, T.Faul, M.Hjorth-Jensen, B.G.Carlsson, S.J.Freeman, A.G.Smith, G.Jones, N.Thompson, G.Pollarolo, G.S.Simpson

Study of medium-spin states of neutron-rich 87, 89, 91Rb isotopes

NUCLEAR REACTIONS 124Sn(96Zr, f), (96Zr, x)87,89,91Rb, E=530 MeV; measured Eγ, Iγ of fission fragments γ-ray decay; 176Yb(36S, x), (36S, f)87,89,91Rb, E=230 MeV; measured thick target Eγ, Iγ of fission fragments γ-ray decay. 87,89,91Rb; deduced γ-ray energy spectrum, new scheme of levels, Jπ, (up to 6423 keV (27/2)+ state), γ-ray transitions; calculated multipolarities, energy differences between (5/2)- and (3/2)- states for odd-A Rb isotopes using spherical shell-model and cranked Nilsson-Strutinsky-Bogoliubov approach.

doi: 10.1140/epja/i2019-12839-6
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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
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2018SA45      Phys.Rev. C 98, 044307 (2018)

A.Saamark-Roth, L.G.Sarmiento, D.Rudolph, J.Ljungberg, B.G.Carlsson, C.Fahlander, U.Forsberg, P.Golubev, I.Ragnarsson, D.Ackermann, L.-L.Andersson, M.Block, H.Brand, D.M.Cox, A.Di Nitto, Ch.E.Dullmann, K.Eberhardt, J.Even, J.M.Gates, J.Gerl, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, E.Jager, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, A.Mistry, C.Mokry, J.P.Omtvedt, P.Papadakis, J.Runke, K.Rykaczewski, M.Schadel, H.Schaffner, B.Schausten, P.Thorle-Pospiech, N.Trautmann, T.Torres, A.Turler, A.Ward, N.Wiehl, A.Yakushev

Low-lying states in 219Ra and 215Rn: Sampling microsecond α-decaying nuclei

RADIOACTIVITY 219Ra(α)[from 243Am(48Ca, X), E=242.1, 245.0 MeV]; measured Eα, Iα, Eγ, Iγ, αγ-coin, α(x ray)-coin, α-α correlations using TASISpec at the TASCA, GSI facility. Pileup analysis and GEANT4 simulation of 219Ra to 215Rn decay. 219,219m,220,221Ra, 215,216,217Rn, 212,213Po, 219Fr, 215At(α); measured half-lives, Qα. 219Ra, 215Rn; deduced levels, J, π, isomer in 219Ra Comparison with shell model calculations and theoretical calculations of deformation, rotational states and α-decay rates, and with evaluated data in the ENSDF database.

doi: 10.1103/PhysRevC.98.044307
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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
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2016AL24      Phys.Rev. C 94, 044614 (2016)

W.Almosly, B.G.Carlsson, J.Suhonen, J.Toivanen, E.Ydrefors

Theoretical estimates of supernova-neutrino cross sections for the stable even-even lead isotopes: Charged-current reactions

NUCLEAR REACTIONS 204,206,208Pb(ν, X), (ν-bar, X), E=5-80 MeV; calculated centroids of Gamow-Teller giant resonance (GTGR), GTGR β- Gamow-Teller strengths S-(GTGR), total β- and β+ GT strengths, energies of the IAS, total charge current (CC) neutrino σ(E), average energies of β- and β+ transitions, total σ(E) for the charged-current electron neutrino and antineutrino scatterings, contributions of various multipole channels and final nuclear states to averaged cross sections. Proton-neutron quasiparticle random-phase approximation (pnQRPA) with three different Skyrme interactions. Comparison with available experimental data. Relevance to supernova neutrinos.

doi: 10.1103/PhysRevC.94.044614
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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
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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
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2015RA04      Acta Phys.Pol. B46, 477 (2015)

I.Ragnarsson, B.G.Carlsson, A.Kardan, H.-L.Ma

Shape Coexistence, Triaxial Shape and Band Terminations at High Spin

NUCLEAR STRUCTURE 125,126Xe, 161Lu, 164Hf; calculated high-spin rotational bands. The configuration-constrained Cranked Nilsson-Strutinsky formalism with pairing neglected (CNS) and with pairing included (CNSB).

doi: 10.5506/APhysPolB.46.477
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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
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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
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2014AL04      Phys.Rev. C 89, 024308 (2014)

W.Almosly, B.G.Carlsson, J.Dobaczewski, J.Suhonen, J.Toivanen, P.Vesely, E.Ydrefors

Charged-current neutrino and antineutrino scattering off 116Cd described by Skyrme forces

NUCLEAR REACTIONS 116Cd(ν, ν), (ν-bar, ν-bar), E=5-80 MeV; calculated charged-current σ(E). 116Cd(ν, e-)116In, 116Cd(ν, e+)116Ag, E=5-80 MeV; calculated β strengths for Gamow-Teller transitions, positions of major and minor satellites of Gamow-Teller giant resonances, normalized averaged differential cross sections, IAS in 116In. Quasiparticle random-phase approximation in charge-changing mode (pnQRPA) using ten different Skyrme interactions, and parameterize Fermi-Dirac distributions of electron-neutrino and electron-antineutrino energies. Comparison with calculations using locally adjusted Bonn potential.

doi: 10.1103/PhysRevC.89.024308
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2014CA12      Phys.Rev. C 89, 054324 (2014)

B.G.Carlsson, J.Toivanen

Low-lying states in near-magic odd-odd nuclei and the effective interaction

NUCLEAR STRUCTURE 14N, 18F, 38,46K, 42,50Sc, 54Co, 58Cu, 130In, 134Sb, 210Bi; calculated low-lying proton-neutron multiplet excitation energies using proton-neutron quasiparticle random-phase approximation (QRPA). Investigated influence of pairing interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.054324
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2014GE01      Phys.Rev. C 89, 024301 (2014)

J.Gellanki, B.G.Carlsson, I.Ragnarsson, D.Rudolph

Comparative study of rotational bands in the A ≈ 60 mass region: Modification of Nilsson parameters

NUCLEAR STRUCTURE 56,57,58,59,60Ni, 60,61,62Zn, 58,59,61Cu; analyzed high-spin levels, J, π, alignments, moment of inertia plots, rotational, well-deformed, terminating and superdeformed bands, configurations; deduced new Nilsson single-particle parameters, level schemes and configurations. Cranked Nilsson-Strutinsky (CNS) approach with optimized Nilsson parameters. Detailed comparisons with experimental data.

doi: 10.1103/PhysRevC.89.024301
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2014MA48      Phys.Rev. C 90, 014316 (2014)

H.-L.Ma, B.G.Carlsson, I.Ragnarsson, H.Ryde

Interpretation of the high spin states in 161Lu: A paired and unpaired study

NUCLEAR STRUCTURE 161Lu; calculated and analyzed high-spin levels, J, π, bands, configurations, potential energy surfaces (PES), collective and non-collective states, yrast, normal deformed and triaxial strongly deformed (TSD) bands, transition quadrupole moments, single-proton Routhians, band terminations. 161Lu, 158Er; calculated neutron, proton single particle energies. Paired and unpaired cranked Nilsson-Strutinsky-Bogoliubov (CNSB, CNS) models. Detailed comparison with rotational bands in experimental data.

doi: 10.1103/PhysRevC.90.014316
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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
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2014SH15      Phys.Rev. C 90, 014308 (2014)

Y.Shi, D.E.Ward, B.G.Carlsson, J.Dobaczewski, W.Nazarewicz, I.Ragnarsson, D.Rudolph

Structure of superheavy nuclei along decay chains of element 115

NUCLEAR STRUCTURE 264Rf, 268Sg, 272Hs, 276Ds, 280Cn, 284Fl, 288Lv, 292Og, 296120; calculated quadrupole moments. 293Ts, 287,289Mc, 283,285Nh, 279,281Rg, 287,289Lv, 283,285Fl, 279,281Cn, 275,277Ds, 275,277Mt, 273,275Hs, 271,272,273Bh, 271Sg; calculated level energies for various Nilsson configurations, total quadrupole moments, quadrupole mass deformations β2 for one-quasiparticle excitations in nuclei associated with α-decay chains of 287,289Lv, 287Mc, 293Ts and some neighboring nuclei. Self-consistent Skyrme Hartree-Fock-Bogolyubov (SHFB), energy density functional approach (using UNEDF1 and UNEDF1SO) and macroscopic-microscopic Nilsson model for superheavy nuclei. Discussed E1 transitions.

doi: 10.1103/PhysRevC.90.014308
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2014TA04      Phys.Rev. C 89, 014307 (2014)

D.Tarpanov, J.Toivanen, J.Dobaczewski, B.G.Carlsson

Polarization corrections to single-particle energies studied within the energy-density-functional and quasiparticle random-phase approximation approaches

NUCLEAR STRUCTURE Z=50, A=100-132; calculated self-interaction energies, and polarization corrections to quasiparticle energies using models based on perturbative polarization corrections using HF, RPA, QRPA methods, and mean-field approach using energy density functionals (EDFs). Discussed conflicting results between the two approaches for obtaining masses of odd-A nuclei. Also discussed differences between the polarization-correction and full particle-vibration-coupling (PVC) models.

doi: 10.1103/PhysRevC.89.014307
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2014TA34      Phys.Rev.Lett. 113, 252501 (2014)

D.Tarpanov, J.Dobaczewski, J.Toivanen, B.G.Carlsson

Spectroscopic Properties of Nuclear Skyrme Energy Density Functionals

doi: 10.1103/PhysRevLett.113.252501
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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
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2013CA08      Phys.Rev. C 87, 054303 (2013)

B.G.Carlsson, J.Toivanen, U.von Barth

Fluctuating parts of nuclear ground-state correlation energies

NUCLEAR STRUCTURE 14,16,18,20,22O, 36,38,40,42,44,46,48,50Ca, 52,54,56,58,60,62,64,66,68,70,72,74,76,78Ni, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136Sn; calculated correlations and fluctuating parts in ground-state binding energies, octupole shape vibrations using QRPA and MBPT2. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.054303
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2013MA03      Phys.Lett. B 719, 83 (2013)

P.L.Masiteng, E.A.Lawrie, T.M.Ramashidzha, R.A.Bark, B.G.Carlsson, J.J.Lawrie, R.Lindsay, F.Komati, J.Kau, P.Maine, S.M.Maliage, I.Matamba, S.M.Mullins, S.H.T.Murray, K.P.Mutshena, A.A.Pasternak, I.Ragnarsson, D.G.Roux, J.F.Sharpey-Schafer, O.Shirinda, P.A.Vymers

Close near-degeneracy in a pair of four-quasiparticle bands in 194Tl

NUCLEAR REACTIONS 181Ta(18O, X)194Tl, E=91, 93 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, rotational bands, high-spin states, B(M1)/B(E2) ratios. Comparison with available data.

COMPILATION 194Tl, 135Nd, 128Cs, 104Rh; compiled difference in excitation energies, alignments, B(M1)/B(E2) ratios.

doi: 10.1016/j.physletb.2013.01.006
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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
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2013SH15      Acta Phys.Pol. B44, 341 (2013)

O.Shirinda, E.A.Lawrie, B.G.Carlsson

Can a Chiral System Be Built on a Strongly Asymmetric Nucleon Configuration?

NUCLEAR STRUCTURE 198Tl. calculated relative excitation energy, probability distributions for the projections of the total angular momentum. Multi-particle-plus-triaxial rotor (MPR) model.

doi: 10.5506/APhysPolB.44.341
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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
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2012CA27      Phys.Rev. C 86, 014307 (2012)

B.G.Carlsson, J.Toivanen, A.Pastore

Collective vibrational states within the fast iterative quasiparticle random-phase approximation method

NUCLEAR STRUCTURE 18O; calculated levels, J, π, B(E0), B(E1), B(E2). 38,40,42,44,46,48,50,52,54Ca, 52,54,56,58,60,62,64,66,68,70,72,74,76,78,80Ni, 182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214Pb, 98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138Sn; calculated levels, J, π, B(E2), B(E3), two-quasi particle components for first 2+ and 3- states. Quasiparticle random-phase approximation (QRPA) calculations using iterative non-Hermitian Arnoldi diagonalization procedures. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.014307
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2012VE05      Phys.Rev. C 86, 024303 (2012)

P.Vesely, J.Toivanen, B.G.Carlsson, J.Dobaczewski, N.Michel, A.Pastore

Giant monopole resonances and nuclear incompressibilities studied for the zero-range and separable pairing interactions

NUCLEAR STRUCTURE Z=8, 20, 28, 50, 82, A=18-262; N=8, 20, 28, 50, 82, 126, A=18-222; Z=50, A=96-172; Z=82, A=166-262; calculated neutron and proton pairing gaps, and incompressibility using SLy4 and UNEDF0 functionals, and zero-range separable pairing force. 112Sn; calculated QRPA monopole strength function for GMR. Quasiparticle random phase approximation (QPRA) on top of spherical Hartree-Fock-Bogoliubov solutions with iterative Arnoldi method. Comparison with experimental data. Influence of zero-range and separable pairing forces on monopole strengths.

doi: 10.1103/PhysRevC.86.024303
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2011MU19      Phys.Rev. C 84, 054320 (2011)

M.Mustafa, J.Ollier, J.Simpson, M.A.Riley, E.S.Paul, X.Wang, A.Aguilar, M.P.Carpenter, I.G.Darby, D.J.Hartley, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, P.J.Nolan, M.Petri, J.M.Rees, J.P.Revill, S.V.Rigby, C.Teal, J.Thomson, C.Unsworth, S.Zhu, B.G.Carlsson, H.L.Ma, T.Mufti, I.Ragnarsson

Diverse collective excitations in 159Er up to high spin

NUCLEAR REACTIONS 116Cd(48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using Gammasphere array. 159Er; deduced levels, J, π, multipolarities, bands, triaxial SD band, configurations, alignment plots, band termination, oblate structures, unpaired band crossings; calculated potential energy surfaces. Comparison with cranked Nilsson-Strutinsky (CNS) calculations. systematics of γ-vibrational states in N=88-94 Er nuclei.

doi: 10.1103/PhysRevC.84.054320
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2011RA13      Phys.Rev. C 83, 054311 (2011)

F.Raimondi, B.G.Carlsson, J.Dobaczewski

Effective pseudopotential for energy density functionals with higher-order derivatives

doi: 10.1103/PhysRevC.83.054311
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2011RA40      Phys.Rev. C 84, 064303 (2011)

F.Raimondi, B.G.Carlsson, J.Dobaczewski, J.Toivanen

Continuity equation and local gauge invariance for the N3LO nuclear energy density functionals

doi: 10.1103/PhysRevC.84.064303
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2011WA12      Phys.Lett. B 701, 306 (2011)

R.Wadsworth, I.Ragnarsson, B.G.Carlsson, H.-L.Ma, P.J.Davies, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, J.Greene, A.Gorgen, D.G.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.G.Sarantites, D.Seweryniak, C.E.Svensson, J.J.Valiente-Dobon

Evidence for shape coexistence at medium spin in 76Rb

NUCLEAR REACTIONS 40Ca(40Ca, n3p)76Rb, E=165 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced rotational bands, energies, J, π, negative-parity bands, oblate and prolate shape coexistence. Cranked Nilsson-Strutinsky model calculations.

doi: 10.1016/j.physletb.2011.06.006
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2010CA23      Phys.Rev.Lett. 105, 122501 (2010)

B.G.Carlsson, J.Dobaczewski

Convergence of Density-Matrix Expansions for Nuclear Interactions

NUCLEAR STRUCTURE 4He, 16O, 40,48Ca, 56,78Ni, 100,132Sn, 208Pb; calculated direct and exchange energies, rms deviations between the exact and approximate exchange energies, density matrix expansion.

doi: 10.1103/PhysRevLett.105.122501
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2010RA08      Int.J.Mod.Phys. E19, 590 (2010)

I.Ragnarsson, B.G.Carlsson, H.Ryde

Terminating states in Z = 71 Lu nuclei with N ≈ 90

NUCLEAR STRUCTURE 161Lu; calculated high-spin yrast states; deduced yrast region termination. Cranked Nilsson-Strutinsky approach.

doi: 10.1142/S021830131001500X
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2010TO02      Phys.Rev. C 81, 034312 (2010)

J.Toivanen, B.G.Carlsson, J.Dobaczewski, K.Mizuyama, R.R.Rodriguez-Guzman, P.Toivanen, P.Vesely

Linear response strength functions with iterative Arnoldi diagonalization

NUCLEAR STRUCTURE 132Sn; calculated 0+, 1- and 2+ RPA strength functions for isoscalar (IS) and isovector (IV) transitions using iterative non-Hermitian Arnoldi diagonalization procedures.

doi: 10.1103/PhysRevC.81.034312
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2008AN06      Eur.Phys.J. A 36, 251 (2008)

L.-L.Andersson, D.Rudolph, E.K.Johansson, D.A.Torres, B.G.Carlsson, I.Ragnarsson, C.Andreoiu, C.Baktash, M.P.Carpenter, R.J.Charity, C.J.Chiara, J.Ekman, C.Fahlander, C.Hoel, O.L.Pechenaya, W.Reviol, R.du Rietz, D.G.Sarantites, D.Seweryniak, L.G.Sobotka, C.H.Yu, S.Zhu

Extensive γ-ray spectroscopy of normally and superdeformed structures in 6129Cu32

NUCLEAR REACTIONS 28Si(36Ar, 3p), E=142, 143, 148 MeV; measured Eγ, Iγ, En, In, charged-particle spectra, (proton)γ-, γγ-coin. 61Cu deduced energy levels, J, π, band structure, configurations, transition intensities and multipolarities using directional correlations of oriented states analysis. Comparison with shell model and cranked Nilsson-Strutinsky calculations. Gammasphere and Microball arrays. Enriched target.

doi: 10.1140/epja/i2008-10590-9
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2008CA16      Phys.Rev. C 78, 034316 (2008)

B.G.Carlsson, I.Ragnarsson, R.Bengtsson, E.O.Lieder, R.M.Lieder, A.A.Pasternak

Triaxial shape with rotation around the longest principal axis in 142Gd

NUCLEAR REACTIONS 99Ru(48Ti, 3n2p), E=240 MeV; measured Eγ, Iγ, half-lives using doppler shift attenuation method. 142Gd; deduced levels, B(E2), bands, configurations; calculated energy of configurations in rotational bands, deformations, potential energy surfaces. Cranking model.

doi: 10.1103/PhysRevC.78.034316
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2008CA23      Phys.Rev. C 78, 044326 (2008), Erratum Phys.Rev. C 81, 029904 (2010)

B.G.Carlsson, J.Dobaczewski, M.Kortelainen

Local nuclear energy density functional at next-to-next-to-next-to-leading order

doi: 10.1103/PhysRevC.78.044326
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2008LI08      Eur.Phys.J. A 35, 135 (2008)

E.O.Lieder, A.A.Pasternak, R.M.Lieder, A.D.Efimov, V.M.Mikhajlov, B.G.Carlsson, I.Ragnarsson, W.Gast, Ts.Venkova, T.Morek, S.Chmel, G.de Angelis, D.R.Napoli, A.Gadea, D.Bazzacco, R.Menegazzo, S.Lunardi, W.Urban, Ch.Droste, T.Rzaca-Urban, G.Duchene, A.Dewald

Investigation of lifetimes in quadrupole bands of 142Gd

NUCLEAR REACTIONS 114Sn(32S, 2n2p), E=160 MeV; 99Ru(48Ti, 3n2p), E=240 MeV; measured Eγ, Iγ, γγ-coin, DSA. 142Gd deduced high-spin levels, J, π, B(E2), T1/2; calculated configurations with cranked Nilsson-Strutinsky and interacting boson models. Euroball III and IV arrays.

doi: 10.1140/epja/i2007-10533-0
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2008MO13      At.Data Nucl.Data Tables 94, 758 (2008)

P.Moller, R.Bengtsson, B.G.Carlsson, P.Olivius, T.Ichikawa, H.Sagawa, A.Iwamoto

Axial and reflection asymmetry of the nuclear ground state

NUCLEAR STRUCTURE A=31-330; calculated nuclear ground state masses, deformation parameters; effect of axial and reflection asymmetry and of triaxiality; macroscopic-microscopic approach using folded-Yukawa single particle potential.

doi: 10.1016/j.adt.2008.05.002
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2008TO15      Phys.Rev. C 78, 054318 (2008)

D.A.Torres, F.Cristancho, L.-L.Andersson, E.K.Johansson, D.Rudolph, C.Fahlander, J.Ekman, R.du Rietz, C.Andreoiu, M.P.Carpenter, D.Seweryniak, S.Zhu, R.J.Charity, C.J.Chiara, C.Hoel, O.L.Pechenaya, W.Reviol, D.G.Sarantites, L.G.Sobotka, C.Baktash, C.-H.Yu, B.G.Carlsson, I.Ragnarsson

Deformations and magnetic rotations in the 60Ni nucleus

NUCLEAR REACTIONS 28Si(36Ar, 4p), E=134, 143, 148 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 60Ni; deduced levels, J, π, multipolarity, mixing ratios, B(M1), B(E2). Comparison with cranked Nilsson Strutinsky calculations.

doi: 10.1103/PhysRevC.78.054318
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2007CA08      Int.J.Mod.Phys. E16, 634 (2007)

B.G.Carlsson

Structure of wobbling excitations in 163Lu

NUCLEAR STRUCTURE 163Lu; calculated triaxial superdeformed bands level energies, configurations, B(E2), wobbling excitation energy.

doi: 10.1142/S0218301307006083
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2006CA21      Phys.Rev. C 74, 011302 (2006)

B.G.Carlsson, I.Ragnarsson

Calculating the nuclear mass in the very high angular momentum regime

NUCLEAR STRUCTURE 20Ne, 36Ar, 59Cu, 62Zn, 109,110Sb, 113I, 158Er, 152,156Dy, 194Hg; analyzed high-spin level energies, deformations. Lublin-Strasbourg drop model, finite-range liquid drop model, cranked Nilsson-Strutinsky model.

doi: 10.1103/PhysRevC.74.011302
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2006CA29      Phys.Rev. C 74, 044310 (2006)

B.G.Carlsson, I.Ragnarsson

Many-particles-plus-rotor description of magnetic bands at high spin

NUCLEAR STRUCTURE 198,199Pb; calculated magnetic rotational bands energies, configurations. Many-particles-plus-rotor description.

doi: 10.1103/PhysRevC.74.044310
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2006CA33      Phys.Scr. T125, 130 (2006)

B.G.Carlsson, I.Ragnarsson

Calculations of nuclear masses at finite angular momenta

NUCLEAR STRUCTURE 58Ni, 72Kr; calculated high-spin states energies, deformation. Macroscopic-microscopic method.

doi: 10.1088/0031-8949/2006/T125/030
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2006MO31      Phys.Rev.Lett. 97, 162502 (2006)

P.Moller, R.Bengtsson, B.G.Carlsson, P.Olivius, T.Ichikawa

Global Calculations of Ground-State Axial Shape Asymmetry of Nuclei

NUCLEAR STRUCTURE 108Ru; calculated potential energy surface, deformation. Z=6-116; calculated ground-state axial asymmetry parameters.

doi: 10.1103/PhysRevLett.97.162502
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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
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2006ZA07      Phys.Scr. T125, 230 (2006)

C.-G.Zander, B.G.Carlsson, I.Ragnarsson

Investigation of the 'magnetic bands' in 199Pb

NUCLEAR STRUCTURE 199Pb; calculated transition energy vs spin for magnetic rotational band. Cranked Nilsson-Strutinsky approach.

doi: 10.1088/0031-8949/2006/T125/065
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2004CA35      Phys.Rev. C 70, 024303 (2004)

B.G.Carlsson, I.Ragnarsson

Nuclear shell structure and rotational bands in 86Nb

NUCLEAR STRUCTURE 86Nb; calculated rotational bands energies, configurations, transition quadrupole moments. 86Zr; calculated rotational bands energies, configurations. Cranked Nilsson-Strutinsky model.

doi: 10.1103/PhysRevC.70.024303
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2004ST23      Phys.Rev. C 70, 044304 (2004)

I.Stefanescu, J.Eberth, G.Gersch, T.Steinhardt, O.Thelen, N.Warr, D.Weisshaar, B.G.Carlsson, I.Ragnarsson, G.de Angelis, T.Martinez, A.Jungclaus, R.Schwengner, K.P.Lieb, E.A.Stefanova, D.Curien

High-spin states and band terminations in 69As

NUCLEAR REACTIONS 40Ca(32S, 3p), E=95, 105 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 69As deduced high-spin levels, J, π, configurations, band termination features. Euroball, Euclides, NWall arrays, cranked Nilsson-Strutinsky model calculations.

doi: 10.1103/PhysRevC.70.044304
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Data from this article have been entered in the XUNDL database. For more information, click here.


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