NSR Query Results
Output year order : Descending NSR database version of May 9, 2024. Search: Author = L.Robledo Found 188 matches. Showing 1 to 100. [Next]2024GI06 Phys.Rev. C 109, 044321 (2024) Odd nuclei and quasiparticle excitations within the Barcelona Catania Paris Madrid energy density functional
doi: 10.1103/PhysRevC.109.044321
2024IL01 Phys.Lett. B 848, 138371 (2024) A.Illana, R.M.Perez-Vidal, D.Stramaccioni, J.J.Valiente-Dobon, T.R.Rodriguez, L.M.Robledo, A.Poves, K.Auranen, O.Beliuskina, C.Delafosse, T.Eronen, Z.Ge, S.Geldhof, W.Gins, T.Grahn, P.T.Greenlees, H.Joukainen, R.Julin, H.Jutila, A.Kankainen, M.Leino, J.Louko, M.Luoma, D.Nesterenko, J.Ojala, J.Pakarinen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Uusitalo, G.L.Zimba Octupole correlations in the N = Z + 2 = 56 110Xe nucleus NUCLEAR REACTIONS 54Fe(58Ni, 2n)110Xe, E=255 MeV; measured reaction products, Eγ, Iγ, Eα, Iα; deduced γ-ray energies and intensities, J, π, an octupole band . Comparison with systematics, theoretical calculations using the symmetry-conserving configuration-mixing method, based on a Gogny energy density functional. The Recoil-Decay Tagging (RDT) technique, the Mass Analysing Recoil Apparatus (MARA) vacuum mode-recoil separator, the K130 cyclotron at the Accelerator Laboratory of the University of Jyvaskylaa (JYFL), Finland.
doi: 10.1016/j.physletb.2023.138371
2024KU07 Eur.Phys.J. A 60, (2024) C.V.N.Kumar, L.M.Robledo, I.Vidana Structure of single Λ-hypernuclei with Gogny-type Λ-nucleon forces NUCLEAR STRUCTURE 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb; calculated binding energies of Λ single-particle states with the three ΛN Gogny-type forces, hypernuclei ground-state HFB and pairing energy, quadrupole moments.
doi: 10.1140/epja/s10050-024-01278-7
2024RO04 J.Phys.(London) G51, 045108 (2024) High-K isomers in a self-consistent mean-field approach with the Gogny force RADIOACTIVITY 254No, 178Hf, 178,182,186W, 270Ds(IT); calculated energy levels, J, π, two- and four-quasiparticle excitations leading to high-K isomeric states in several relevant examples across the nuclear chart, the Gogny force with the D1S and D1M parametrizations.
doi: 10.1088/1361-6471/ad2d60
2023BA21 Eur.Phys.J. A 59, 156 (2023) The Barcelona Catania Paris Madrid energy density functional RADIOACTIVITY 232,234,236,238U, 240Pu, 248Cm, 250Cf, 250,252,254,256Fm, 252,254,256No, 256,258,260Rf, 258,260,262Sg, 264Hs, 286Fl(SF); calculated T1/2. Comparison with available data.
doi: 10.1140/epja/s10050-023-01062-z
2023GI12 Eur.Phys.J. A 59, 301 (2023) Cluster properties of heavy nuclei predicted with the Barcelona-Catania-Paris-Madrid energy density functional RADIOACTIVITY 224Ra(14C), 238Pu(30Mg); calculated spatial mass distributions, fission paths, cluster decay paths, Cluster decay T1/2 employing the Barcelona-Catania-Paris-Madrid (BCPM) energy density functional (EDF).
doi: 10.1140/epja/s10050-023-01210-5
2023KU16 Phys.Rev. C 108, 034312 (2023) C.V.Nithish Kumar, L.M.Robledo Hexadecapole axial collectivity in the rare earth region: A beyond-mean-field study
doi: 10.1103/PhysRevC.108.034312
2023RO05 Phys.Rev. C 107, 044307 (2023) R.Rodriguez-Guzman, L.M.Robledo, C.A.Jimenez-Hoyos, N.C.Hernandez Least action description of dynamic pairing correlations in the fission of curium and californium isotopes based on the Gogny energy density functional RADIOACTIVITY 240,242,246,248,250Cf, 240,242,246,248,250Cm(SF); calculated collective potentials, quadrupole moments, octupole moments, hexadecupole moments, proton and neutron pairing interaction energies, Hartree-Fock-Bogoliubov (HFB) plus rotational correction energies, inner and outer barrier heights of fission paths, and SF T1/2 with the generator coordinate method (GCM) and adiabatic time-dependent HFB (ATDHFB) scheme. Gogny energy density functional with D1M parametrization in the least action scheme. Role of dynamic pairing correlations investigated using the CESlater and CEE LA approximations.
doi: 10.1103/PhysRevC.107.044307
2023RO09 Phys.Rev. C 108, 024301 (2023) R.Rodriguez-Guzman, L.M.Robledo Beyond-mean-field description of octupolarity in dysprosium isotopes with the Gogny-D1M energy density functional NUCLEAR STRUCTURE 138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208Dy; calculated excitation energies of the first negative-parity states, B(E1), B(E3), collective wave functions, potential energy surface, positive and negative parity parity-projected potential energy surfaces, ground state quadrupole and octupole deformations. Hartree-Fock-Bogoliubov approximations based on D1M, D1S, and D1M* parametrizations of the Gogny-EDF. Comparison to experimental data.
doi: 10.1103/PhysRevC.108.024301
2022BA29 Phys.Rev. C 106, 024313 (2022) P.Bano, X.Vinas, T.R.Routray, M.Centelles, M.Anguiano, L.M.Robledo Finite-range simple effective interaction including tensor terms NUCLEAR STRUCTURE 68,70,72,74,76,78Ni; calculated ground-state energies, neutron and proton single-particle levels around the Fermi level. 58,59,60,61,62,63,64,65,66,67,68,69,70Ni; calculated rms charge radii, isotope shifts. 69,71,73,75,77,79Cu; calculated ground-state energies. 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn; calculated energy differences between 1h11/2 and 1g7/2 proton orbitals, single-particle neutron energies and their occupation probabilities. 132Sn, 134Te, 136Xe, 138Ba, 140Ce, 142Nd, 144Sm, 146Gd, 148Dy, 150Er; calculated energy differences between 1i13/2 and 1h9/2 neutron single-particle levels, and single-particle proton energies and their occupation probabilities in N=82 isotones. 91Zr, 93Mo, 95Ru, 97Pd, 99Cd, 101Sn; calculated neutron single-particle levels in N=51 isotones relative to the 2d5/2 level. Calculations based on simple effective interaction (SEI) with and without the addition of a short-range tensor force to SEI and SIII-T, SLy5-T, SAMi-T Skyrme and D1MTd Gogny effective interaction. Comparison with available experimental data.
doi: 10.1103/PhysRevC.106.024313
2022NO10 Phys.Rev. C 106, 064304 (2022) K.Nomura, L.Lotina, R.Rodriguez-Guzman, L.M.Robledo Simultaneous description of β-decay and low-lying structure of neutron-rich even- and odd-mass Rh and Pd nuclei NUCLEAR STRUCTURE 104,106,108,110,112,114,116,118,120,122,124Pd; calculated potential energy surfaces. 104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124Pd, 103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123Rh; calculated single-particle energies, quasiparticle energies, occupation probabilities, levels, J, π. 105,107,109Pd, 103,104,107,109Rh; calculated B(E2), B(M1). 106Rh; calculated magnetic dipole moment. Mapping framework based on the Gogny-EDF and the particle-boson coupling scheme. Constrained Hartree-Fock-Bogoliubov calculations using the Gogny-D1M energy density functional. Comparison to experimental data. RADIOACTIVITY 104,105,106,107,108,109,110,112,113,114,116,117Rh(β-); calculated log ft, reduced matrix elements for GT transitions. Constrained Hartree-Fock-Bogoliubov calculations using the Gogny-D1M energy density functional. Comparison to experimental results.
doi: 10.1103/PhysRevC.106.064304
2022RO01 J.Phys.(London) G49, 015101 (2022) R.Rodriguez-Guzman, L.M.Robledo, K.Nomura, N.Cruz Hernandez Quadrupole-octupole collectivity in the Xe, Ba, Ce and Nd isotopic chains described with mean field and beyond approaches NUCLEAR STRUCTURE 110,112,114,116,118,120,122,124,126,128Ba, 134,136,138,140,142,144,146,148,150,152Ba; calculated collective wave functions, positive and negative parity-projected energies, quadrupole (octupole) deformation of the ground states, HFB energies, parity-projected potential energy surfaces (PPPESs) using mean field based methods.
doi: 10.1088/1361-6471/ac3472
2022RO04 Phys.Rev. C 105, L021307 (2022) Formulation of the generator coordinate method with arbitrary bases
doi: 10.1103/PhysRevC.105.L021307
2022RO08 Phys.Rev. C 105, 044317 (2022) Operator overlaps in harmonic oscillator bases with different oscillator lengths NUCLEAR STRUCTURE 238Pu; calculated potential energy surface (including the rotational energy correction) as a function of the quadrupole moment. Investigated overlaps between the members of the set of wave functions entering the fission path of the 238Pu. Generator coordinate method calculations using a set of Hartree-Fock-Bogoliubov wave functions.
doi: 10.1103/PhysRevC.105.044317
2022RO12 Phys.Rev. C 106, 024335 (2022) R.Rodriguez-Guzman, L.M.Robledo Role of dynamic pairing correlations in fission dynamics. II. Fermium and nobelium isotopes NUCLEAR STRUCTURE 246,250,254,258,262Fm, 250,254,258,262No; calculated RVAP-PNP energies plus the zero point rotational energies as as functions of intrinsic quadrupole moment. 242,244,246,248,250,252,254,256,258,260,262Fm, 250,252,254,256,258,260,262,264No; calculated proton and neutron ground-state pairing interaction energies, inner and outer barrier heights, RVAP-PNP spontaneous fission half-lives. Hartree-Fock-Bogoliubov-based approximations and a restricted variation after particle number projection (RVAP-PNP), based on D1M* parametrization of the Gogny force.
doi: 10.1103/PhysRevC.106.024335
2021ES09 Phys.Rev. C 104, 064314 (2021) A.Esmaylzadeh, V.Karayonchev, K.Nomura, J.Jolie, M.Beckers, A.Blazhev, A.Dewald, C.Fransen, R.-B.Gerst, G.Hafner, A.Harter, L.Knafla, M.Ley, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier Lifetime measurements to investigate γ softness and shape coexistence in 102Mo NUCLEAR REACTIONS 100Mo(18O, 16O)102Mo, E=52 MeV; measured Eγ, Iγ, γγ-coin, T1/2 of levels by recoil-distance Doppler-shift method using an array of eleven HPGe detectors, and Cologne Plunger device at the Cologne FN Tandem accelerator facility. 102Mo; deduced levels, J, π, B(E2), B(M1), E0 transition probability; calculated deformation-energy surface in the (β, γ) plane. Comparison of levels and B(E2) with mapped interacting boson model (IBM) calculations, with microscopic input from Gogny mean-field. Systematics of 0+ and first 2+ states and B(E2) values in N=52-64, Sr, Zr, Mo and Ru isotopes. Discussed shape coexistence and γ-softness.
doi: 10.1103/PhysRevC.104.064314
2021GO18 Phys.Rev. C 103, 064314 (2021) C.Gonzalez-Boquera, M.Centelles, X.Vinas, L.M.Robledo Finite-size instabilities in finite-range forces NUCLEAR STRUCTURE 208Pb; calculated neutron and proton density with with a harmonic oscillator (HO) basis of 12, 14, 16, 18, and 19 shells using DIM DIM* Gogny interactions. 16O, 100,132,176Sn, 208Pb; calculated binding energies in Hartree-Fock from the HO-basis calculation, the coordinate-space quasilocal (QLA), and the full coordinate-space calculation (FINRES4) with D1M and D1M* Gogny interactions. 48Ca, 154Sm; calculated differences between the HFB energies as functions of number of harmonic oscillator (HO) shells and quadrupole deformation β2. Hartree-Fock (HF) method in the quasilocal approximation to finite-range forces. Role of the slope of the symmetry energy for nuclear structure properties.
doi: 10.1103/PhysRevC.103.064314
2021HA45 Phys.Rev. C 104, 064602 (2021) R.Han, M.Warda, A.Zdeb, L.M.Robledo Scission configuration in self-consistent calculations with neck constraints RADIOACTIVITY 258No(SF); calculated nuclear density distribution contours for different neck configurations and in scission regions, potential energy surface (PES) and neck contour in quadrupole-octupole (Q20, Q30) planes; deduced roles of constraint on the neck parameter and nuclear density distributions, scission configurations, potential energy surfaces, pre-scission line and configuration of the asymmetric fission mode in self-consistent mean-field calculations, including pairing, such as Hartree-Fock-Bogoliubov (HFB) approximation.
doi: 10.1103/PhysRevC.104.064602
2021NO02 Phys.Rev. C 103, 044311 (2021) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo, J.E.Garcia-Ramos Quadrupole-octupole coupling and the onset of octupole deformation in actinides NUCLEAR STRUCTURE 224,226,228,230,232,234Pu, 228,230,232,234,236,238Cf; calculated self-consistent mean-field potential energy surfaces (SCMF-PESs) and sdf-IBM PESs in (β2, β3) plane. 218,220,222,224,226,228,230,232,234,236,238Ra, 220,222,224,226,228,230,232,234,236,238,240Th, 222,224,226,228,230,232,234,236,238,240,242U, 224,226,228,230,232,234,236,238,240,242,244Pu, 226,228,230,232,234,236,238,240,242,244,246Cm, 228,230,232,234,236,238,240,242,244,246,248Cf; calculated β2 and β3 corresponding to the ground-state minimum, deformation energies with respect to spherical configuration, octupole deformation energies, low-energy levels, J, π, B(E1), B(E2), effective quadrupole and octupole deformation parameters. 240Pu; calculated levels, J, π, bands. Hartree-Fock-Bogoliubov approximation, based on the Gogny-D1M energy density functional and corresponding mapped sdf-IBM. Comparison with experimental data taken from databases at Brookhaven National Laboratory.
doi: 10.1103/PhysRevC.103.044311
2021NO11 Phys.Rev. C 104, 044324 (2021) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo, J.E.Garcia-Ramos, N.C.Hernandez Evolution of octupole deformation and collectivity in neutron-rich lanthanides NUCLEAR STRUCTURE 140,142,144,146,148Xe, 142,144,146,148,150Ba, 144,146,148,150,152Ce, 146,148,150,152,154Nd; calculated potential energy surfaces in (β2, β3) planes using self-consistent mean-field (SCMF) and interacting boson model (IBM), low-lying levels of positive- and negative-parity yrast states, strength parameters, level-energy and B(E2) ratios, quadrupole and octupole moments. 144,146Ba, 148,150Nd; calculated levels, J, p, bands, B(E1), B(E2), B(E3) using interacting boson model (IBM). Self-consistent mean-field (SCMF), and interacting boson model (IBM) approaches with Hartree-Fock-Bogoliubov (HFB) approximation and constrains on axially symmetric quadrupole and octupole operators using the Gogny-D1M interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.044324
2021NO13 Phys.Rev. C 104, 054320 (2021) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Quadrupole-octupole coupling and the evolution of collectivity in neutron-deficient Xe, Ba, Ce, and Nd isotopes NUCLEAR STRUCTURE 108,110,112,114,116,118Xe, 110,112,114,116,118,120Ba, 112,114,116,118,120,122Ce, 114,116,118,120,122,124Nd; calculated self-consistent mean-field (SCMF) and mapped-IBM potential-energy surfaces (PES) in (β2, β3) plane, low-energy yrast states, and states of quasi-β, and quasi-γ bands, B(E1), B(E2), B(E3), ratios E(excited states)/E(first 2+), effective quadrupole and octupole deformations; predicted octupole-deformed ground states for Ba and Ce isotopes near N=56. Mapped sdf-IBM framework, with microscopic input from quadrupole and octupole constrained Hartree-Fock-Bogoliubov (HFB) calculations, based on Gogny D1M energy density functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.054320
2021RO02 J.Phys.(London) G48, 015103 (2021) R.Rodriguez-Guzman, Y.M.Humadi, L.M.Robledo Microscopic description of quadrupole-octupole coupling in actinides with the Gogny-D1M energy density functional NUCLEAR STRUCTURE 220,222,224,226,228,230,232,234,236,238,240U, 222,224,226,228,230,232,234,236,238,240,242Pu, 224,226,228,230,232,234,236,238,240,242,244Cm, 226,228,230,232,234,236,238,240,242,244,246Cf; calculated correlation energies, negative-parity excitation energies, reduced transition probabilities B(E1) and B(E3) using static Hartree-Fock-Bogoliubov approach, dynamical beyond-mean-field correlations via both parity restoration and symmetry-conserving generator coordinate method calculations based on the parametrization D1M of the Gogny energy density functional. Comparison with experimental data.
doi: 10.1088/1361-6471/abb000
2021RO13 Phys.Rev. C 103, 044301 (2021) R.RodrIguez-Guzman, L.M.Robledo Microscopic description of quadrupole-octupole coupling in neutron-rich actinides and superheavy nuclei with the Gogny-D1M energy density functional NUCLEAR STRUCTURE 288,290,292,294,296,298,300,302,304No; calculated mean-field potential energy surfaces (MFPESs), parity-projected potential energy surfaces (PPPESs) for negative and positive parities, and collective wave function contours for the ground states and the lowest negative-parity states in (Q20, Q30) planes with the Gogny-D1M energy density functional, single-particle energies for protons and neutrons as a function of quadrupole moment for reflection symmetric and asymmetric shapes. 278,280,282,284,286,288,290,292,294U, 280,282,284,286,288,290,292,294,296Pu, 282,284,286,288,290,292,294,296,298Cm, 284,286,288,290,292,294,296,298,300Cf, 286,288,290,292,294,296,298,300,302Fm, 288,290,292,294,296,298,300,302,304No, 290,292,294,296,298,300,302,304,306Rf, 292,294,296,298,300,302,304,306,308Sg, 294,296,298,300,302,304,306,308,310Hs, 296,298,300,302,304,306,308,310,312Ds; calculated mean-field ground-state quadrupole and octupole deformations, and the octupole correlation energies, correlation energies obtained within the 2D-GCM framework, 2D-GCM energy splittings, B(E1), B(E3). Hartree-Fock-Bogoliubov approach, with dynamical beyond-mean-field correlations via parity restoration and symmetry-conserving generator coordinate method calculations based on the Gogny-D1M energy density functional. Relevance to modeling the nuclear reactions for the r-process nucleosynthesis of superheavy nuclei (SHN).
doi: 10.1103/PhysRevC.103.044301
2021RO19 Phys.Rev. C 104, L011302 (2021) T.R.Routray, P.Bano, M.Anguiano, M.Centelles, X.Vinas, L.M.Robledo Reexamination of the N=50 and Z=28 shell closure NUCLEAR STRUCTURE 68,70,72,74,76,78Ni; calculated proton single-particle levels around the Fermi level. 69,71,73,75,77,79Cu; calculated energies and spins of the ground states, and energies of the first excited states. Quasilocal density functional theory (QLDFT) using Skyrme forces SAMi-T and SLy5 with the tensor part, D1M Gogny force, and simple effective interaction (SEI) model. Comparison with HFB calculations, and with experimental energies and spins of the first excited states.
doi: 10.1103/PhysRevC.104.L011302
2021SH45 J.Phys.(London) G48, 123001 (2021) j.A.Sheikh, J.Dobaczewski, P.Ring, L.M.Robledo, C.Yannouleas Symmetry restoration in mean-field approaches
doi: 10.1088/1361-6471/ac288a
2021TE04 Phys.Rev. C 103, 044321 (2021) D.A.Testov, S.Bakes, J.J.Valiente-Dobon, A.Goasduff, S.Frauendorf, F.Nowacki, T.R.Rodriguez, G.de Angelis, D.Bazzacco, C.Boiano, A.Boso, B.Cederwall, M.Cicerchia, P.Colovic, G.Colucci, F.Didierjean, M.Doncel, J.A.Duenas, F.Galtarossa, A.Gozzelino, K.Hadynska-Klek, G.Jaworski, P.R.John, S.Lenzi, H.Liu, S.Lunardi, R.Menegazzo, D.Mengoni, A.Mentana, D.R.Napoli, G.Pasqualato, F.Recchia, S.Riccetto, L.M.Robledo, M.Rocchini, B.Saygi, M.Siciliano, Yu.Sobolev, S.Szilner Octupole correlations near 110Te NUCLEAR REACTIONS 58Ni(58Ni, 2pα)110Te, E=250 MeV; measured Eγ, Iγ, γγ-coin, half-lives of levels by recoil distance Doppler-shift (RDDS) method using a plunger device and differential decay curve method (DDCM), GALILEO Ge-detector array for γ detection and EUCLIDES Si-array for particle detection and reaction channel selection at the XTU-Tandem accelerator facility of National Legnaro Laboratories. 110Te; deduced levels, J, π, B(E2); calculated collective wave functions in (β2, β3) plane for the two lowest negative parity states. Comparison with theoretical calculations using tilted axis cranking approach and the symmetry configuration mixing method with the Gogny D1S interaction. Discussed systematics of configurations, and octupole admixtures for the known bands in 109Te, 110Te and 111I.
doi: 10.1103/PhysRevC.103.044321
2021ZD01 Phys.Rev. C 104, 014610 (2021) Description of the multidimensional potential-energy surface in fission of 252Cf and 258No RADIOACTIVITY 252Cf, 258No(SF); calculated potential energy surfaces (PES) in (Q20, Q30), (Q20, Q22) and (Q30, Q40)planes, density distributions, fission barriers, fission fragments and cross sections; deduced multiple solutions for given constraints and transitions between various overlapping potential-energy surfaces. Self-consistent Hartree-Fock-Bogoliubov approach with the D1S parametrization of the Gogny nucleon-nucleon interaction.
doi: 10.1103/PhysRevC.104.014610
2020BE09 Phys.Rev. C 101, 044615 (2020) R.N.Bernard, N.Pillet, L.M.Robledo, M.Anguiano Description of the asymmetric to symmetric fission transition in the neutron-deficient thorium isotopes: Role of the tensor force RADIOACTIVITY 216,222,226,230Th, 236U, 240Pu(SF); calculated energy differences for Hartree-Fock-Bogoliubov (HFB), mean field, and pairing energies for spherical, ground-state, first barrier and second well configurations. 216,222,226,230Th; calculated potential energy surfaces (PESs) in (Q20, Q30) and (Q20, Q40) planes, symmetric and asymmetric fission paths, fission valleys, energy differences for HFB, mean field, pairing energy, tensor energy, HFB with respect to the ground state, total tensor energy, proton and neutron pairing components as a function of Q40, total kinetic energy (TKE) and total excitation energy (TXE) at the exit point in the symmetric valley, mean neutron kinetic energy. 216,218,220,222,224,226,228,230,232Th, 236U, 240Pu; calculated barrier heights for symmetric and asymmetric paths. 106,107,108,109,110,111,112,113,114,115Rh; calculated S(n). Hartree-Fock-Bogoliubov (HFB) approach with D1ST2a Gogny plus tensor term. Comparison with results from standard D1S Gogny interaction, and with experimental data.
doi: 10.1103/PhysRevC.101.044615
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
2020GI06 Phys.Rev. C 102, 045804 (2020) S.A.Giuliani, G.Martinez-Pinedo, M.-R.Wu, L.M.Robledo Fission and the r-process nucleosynthesis of translead nuclei in neutron star mergers NUCLEAR STRUCTURE Z=85-120, N=120-250; calculated highest fission barriers, energy windows for β-delayed fission and neutron-induced fission. A=100-240; A=180-350; Z=30-100, N=65-230; calculated abundances as function of mass number and neutron numbers. A=254, Z=89-99; calculated neutron-induced fission and neutron capture stellar reaction rates at 0.64 GK. A=220-230; calculated abundances, radioactive energy emitted by β and α decays, and fission as a function of time for different ejecta conditions, ejecta heating rate as a function of time. Finite range droplet model with Thomas-Fermi (FRDM+TF), Skyrme HFB14, and Barcelona-Catania-Paris-Madrid (BCPM), energy density functional (EDF) methods.
doi: 10.1103/PhysRevC.102.045804
2020NO01 Phys.Rev. C 101, 014306 (2020) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Structure of odd-odd Cs isotopes within the interacting boson-fermion-fermion model based on the Gogny-D1M energy density functional NUCLEAR STRUCTURE 123,124Xe, 124,125,126,128,130,132Cs; calculated levels, J, π, band structures, electric quadrupole and magnetic dipole moments, B(E2), B(M1), B(M1)/B(E2), neutron and proton single-particle energies and occupation probabilities for odd-odd Cs isotopes. 124Xe; calculated Gogny-D1M and IBM-2 (β, γ) deformation energy surfaces up to 3 MeV from the global minimum. Interacting boson-fermion-fermion model based on the Gogny-D1M energy density functional framework. Comparison with experimental data from the databases at NNDC.
doi: 10.1103/PhysRevC.101.014306
2020NO02 Phys.Rev. C 101, 024311 (2020) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo β decay of odd-A nuclei with the interacting boson-fermion model based on the Gogny energy density functional NUCLEAR STRUCTURE 124,126,128,130,132,134Xe, 126,128,130,132,134,136Ba; calculated low-lying levels of positive parity, J. 123,125,127,129,131,133Xe, 125,127,129,131,133,135Ba, 125,127,129,131,133,135Cs, 127,129,131,133,135,137La; calculated low-lying levels of positive parity, J, B(M1), B(E2), electric quadrupole and magnetic dipole moments, β-decay properties. 127Xe; calculated levels of positive parity, J using two IBFM models. Interacting boson-fermion model (IBFM), based on the Gogny-D1M nuclear energy density functional (EDF), with the constrained HartreeFock-Bogoliubov (HFB) approximation to compute potential energy surfaces. Comparison with experimental data taken from the ENSDF database at NNDC. RADIOACTIVITY 125,127,129,131,133Cs, 127,129,131,133Ba, 129,131,133,135La(EC), (β+); calculated log ft values and compared with experimental values taken from the ENSDF database at NNDC. IBFM model calculations using input from realistic mean field calculations.
doi: 10.1103/PhysRevC.101.024311
2020NO04 Phys.Rev. C 101, 044318 (2020) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo β decay of even-A nuclei within the interacting boson model with input based on nuclear density functional theory NUCLEAR STRUCTURE 124,126,128,130,132Xe, 124,126,128,130,132Ba, 124,126,128,130,132Cs; calculated levels, J, π using interacting boson model (IBM) with energy density functional (EDF). Comparison with experimental data from the ENSDF database. RADIOACTIVITY 124,126,128Ba, 124,126,128,130,132Cs(β+), (EC); calculated logft for Gamow-Teller (GT) and Fermi (F) transition, and compared with experimental data from the ENSDF database. Energy density functional (EDF) based Interacting boson model (IBM) approach.
doi: 10.1103/PhysRevC.101.044318
2020NO13 Phys.Rev. C 102, 064326 (2020) K.Nomura, R.Rodriguez-Guzman, Y.M.Humadi, L.M.Robledo, J.E.Garcia-Ramos Octupole correlations in light actinides from the interacting boson model based on the Gogny energy density functional NUCLEAR STRUCTURE 218,220,222,224,226,228,230,232,234,236,238Ra, 220,222,224,226,228,230,232,234,236,238,240Th; calculated potential energy surfaces in (β2, β3) plane using self-consistent mean-field (SCMF), and interacting boson model (IBM), energies of yrast positive-parity and negative-parity states, and relative energy splitting between positive- and negative-parity yrast bands, B(E1), B(E2), B(E3), transition quadrupole and octupole moments. Hartree-Fock-Bogoliubov approximation, based on Gogny-D1M energy density functional, and sdf interacting boson model (IBM) Hamiltonian for quadrupole-octupole coupling and collective excitations in even-even actinides. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.064326
2020RO04 Eur.Phys.J. A 56, 43 (2020) R.Rodriguez-Guzman, Y.M.Humadi, L.M.Robledo Microscopic description of fission in superheavy nuclei with the parametrization D1M* of the Gogny energy density functional
doi: 10.1140/epja/s10050-020-00051-w
2019BE12 Phys.Rev. C 99, 034603 (2019) G.F.Bertsch, T.Kawano, L.M.Robledo Angular momentum of fission fragments NUCLEAR REACTIONS 235U(n, F)140Ba/140Te/140Xe/96Kr/96Zr/96Sr, E not given; calculated angular momentum of various fission fragments as a function of deformation β, angular distribution and anisotropy of dipole and quadrupole γ rays, anisotropy coefficients using usual spin-cutoff parametrization. discussed division of excitation energy in the newly formed fission fragments. Comparison with experimental values.
doi: 10.1103/PhysRevC.99.034603
2019BE21 Phys.Rev. C 99, 064301 (2019) R.Bernard, S.A.Giuliani, L.M.Robledo Role of dynamic pairing correlations in fission dynamics RADIOACTIVITY 236U, 240Pu, 252Cf(SF); calculated contour plots of Hartree-Fock-Bogoliubov (HFB) energies for different quadrupole moments, potential energies as function of quadrupole moment, particle-particle correlation energies, octupole and hexadecapole moments and neck parameters, spontaneous fission half-lives, fission barrier heights, and fission isomer excitation energies. Restricted variation after projection (RVAP) particle number projection (PNP) method with dynamic pairing correlations, Gogny D1M parametrization, and inertias from adiabatic time dependent Hartree-Fock-Bogoliubov (ATDHFB) theory and the Gaussian overlap approximation (GOA) to the generator coordinate method (GCM).
doi: 10.1103/PhysRevC.99.064301
2019BE26 Phys.Rev. C 100, 024607 (2019) G.F.Bertsch, W.Younes, L.M.Robledo Diabatic paths through the scission point in nuclear fission RADIOACTIVITY 236U(SF); calculated scission configurations, energy of Glider configuration with the D1S energy functional, neck parameter neck as a function of deformation for Glider, density distributions of the Glider configurations, overlaps of Glider configurations near the scission point, thermal energy associated with Glider at the scission point, characteristics of the GCM paths through the scission point, energy of the configuration with the D1S energy functional, Glider neck size with the BCPM energy functional, Hartree-Fock potential energy surfaces for 236U along the fission valley constrained by the quadrupole field, fraction of excitation energy in the heavy fragment and total final state excitation energy. Self-consistent mean-field theory with generator coordinate method (GCM) configurations through the scission point, constructed in the Hartree-Fock approximation with axially symmetric mean fields. Relevance to the scission-point statistical model to describe mass yields and excitation energies of fission fragments.
doi: 10.1103/PhysRevC.100.024607
2019BE32 Phys.Rev. C 100, 044606 (2019) Decay widths at the scission point in nuclear fission RADIOACTIVITY 236U(SF); calculated mass quadrupole moments and neck size of Glider configurations, energies of configurations used to build the continuum wave functions for GCM-constrained Glider configurations, Hartree-Fock energy as a function of the separation between centers of mass of the two nascent fragments, strength function for the Glider configuration, decay widths using generator coordinate method.
doi: 10.1103/PhysRevC.100.044606
2019ES04 Phys.Rev. C 100, 064309 (2019) A.Esmaylzadeh, J.-M.Regis, Y.H.Kim, U.Koster, J.Jolie, V.Karayonchev, L.Knafla, K.Nomura, L.M.Robledo, R.Rodriguez-Guzman Lifetime measurements and shape coexistence in 97Sr NUCLEAR REACTIONS 235U(n, F), E=thermal neutrons from high-flux reactor of ILL-Grenoble; measured fission products using Lohengrin spectrometer, Eγ, Iγ, level half-lives by (fragment)γγ(t) fast-timing technique using LaBr detectors for γ detection and ionization chamber for fission fragments. 97Sr; deduced levels, isomer, J, π, B(M1), B(E2). Comparison with previous experimental results, and with interacting boson-fermion model calculation based on microscopic energy density functional.
doi: 10.1103/PhysRevC.100.064309
2019NO04 Phys.Rev. C 99, 034308 (2019) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Spectroscopy of odd-odd nuclei within the interacting boson-fermion-fermion model based on the Gogny energy-density functional NUCLEAR STRUCTURE 195,196,197,198,199,200Hg, 194,195,196,197,198,199Au; calculated levels, J, π, potential energy surfaces for 196,198,200Hg, strength parameters for 195,197,199Hg, 194,196,198Au nuclei, neutron and proton single-particle energies and occupation probabilities for odd-A nuclides, and B(E2), B(M1), electric quadrupole and magnetic dipole moments for 194,196,198Au using interacting boson-fermion-fermion model (IBFFM) based on the Gogny D1M energy-density functional. Comparison with experimental values taken from databases at NNDC, BNL.
doi: 10.1103/PhysRevC.99.034308
2019RO01 J.Phys.(London) G46, 013001 (2019) L.M.Robledo, T.R.Rodriguez, R.R.Rodriguez-Guzman Mean field and beyond description of nuclear structure with the Gogny force: a review
doi: 10.1088/1361-6471/aadebd
2018BE11 Phys.Rev. C 97, 064619 (2018) G.F.Bertsch, W.Younes, L.M.Robledo Scission dynamics with K partitions RADIOACTIVITY 236U(SF); calculated potential energy surfaces, density distributions, shape parameters, and K partitions of g.s. and states close to fission using configuration-interaction (CI) formalism and GCM-constrained HFB configurations; deduced major rearrangement of K occupancy factors at scission point of nuclear fission.
doi: 10.1103/PhysRevC.97.064619
2018BU16 Phys.Rev. C 98, 064320 (2018) B.Bucher, H.Mach, A.Aprahamian, L.M.Robledo, G.S.Simpson, J.Rissanen, D.G.Ghita, B.Olaizola, W.Kurcewicz, J.Aysto, T.Eronen, L.M.Fraile, A.Jokinen, P.Karvonen, I.D.Moore, H.Penttila, M.Reponen, E.Ruchowska, A.Saastamoinen, M.K.Smith, C.Weber New insights into triaxiality and shape coexistence from odd-mass 109Rh RADIOACTIVITY 109Ru(β-)[from U(p, F), E=30 MeV]; measured Eγ, Iγ, γγ-coin, level half-lives using fast timing βγγ(t) technique at the IGISOL facility of University of Jyvaskyla. 109Rh; deduced levels, J, π, B(M1), B(E2). NUCLEAR STRUCTURE 109Rh; calculated potential energy surface (PES) in (β, γ) plane, proton single-particle energies as function of deformation parameters Q0 and γ, minimum energy E(β, γ) for the different blocked configurations using HFB method.
doi: 10.1103/PhysRevC.98.064320
2018GI05 Phys.Rev. C 97, 034323 (2018) S.A.Giuliani, G.Martinez-Pinedo, L.M.Robledo Fission properties of superheavy nuclei for r-process calculations NUCLEAR STRUCTURE 232Th, 262,290No, 316Ds; calculated collective fission properties as a function of quadrupole moment. Z=84-120, N=118-250; calculated S(2n), fission barrier heights, spontaneous fission half-lives as function of fissibility parameter, energy window for the neutron-induced fission, dominating decay channels of spontaneous fission, α-decay, neutron-capture, neutron-induced α emission, neutron-induced fission, and two-neutron emission for 3640 superheavy nuclides. Self-consistent mean-field calculations using the Barcelona-Catania-Paris-Madrid energy density functional. Comparison with available experimental data.
doi: 10.1103/PhysRevC.97.034323
2018GO07 Phys.Lett. B 779, 195 (2018) C.Gonzalez-Boquera, M.Centelles, X.Vinas, L.M.Robledo New Gogny interaction suitable for astrophysical applications NUCLEAR STRUCTURE N<180; calculated binding energy differences in even-even nuclei. Comparison with available data.
doi: 10.1016/j.physletb.2018.02.005
2018NO06 Phys.Rev. C 97, 064313 (2018) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Description of neutron-rich odd-mass krypton isotopes within the interacting boson-fermion model based on the Gogny energy density functional NUCLEAR STRUCTURE 86,88,90,92,94Kr; calculated deformation energy surfaces in (β, γ) plane, energies of first 2+ and 4+ states, B(E2) and spectroscopic quadrupole moments of the first 2+ states. 87,89,91,93,95Kr; calculated levels, J, π of low-lying states, B(E2), B(M1), spectroscopic quadrupole moments and magnetic dipole moments of the first 5/2+, 3/2+, and 1/2+ states. Interacting boson-fermion model (IBFM) calculations with Gogny-D1M energy density functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.064313
2018NO07 Phys.Rev. C 97, 064314 (2018) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Prolate-to-oblate shape phase transitions in neutron-rich odd-mass nuclei NUCLEAR STRUCTURE 186,188,190,192,194Pt, 186,188,190,192,194Os; calculated deformation energy surfaces in (β, γ) plane, energies of first 4+ and 2+, and second 2+ states, spectroscopic quadrupole moments and B(E2) of first 2+ states. 185,187,189,191,193,195,197,199Pt, 185,187,189,191,193Os, 185,187,189,191,193,195Ir; calculated strength parameters, single particle energies, and occupation probabilities, levels, J, π of low-lying states, effective β and γ deformation parameters, B(E2), B(M1), spectroscopic quadrupole moments and magnetic dipole moments for 195Pt, 189Os, 191Ir. Constrained self-consistent mean-field calculations within the Hartree-Fock-Bogoliubov method using Gogny-D1M energy density functional (EDF) for even-even isotopes, and interacting boson-fermion model (IBFM) Hamiltonian with Gogny-D1M EDF for odd-A isotopes. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.064314
2018RO24 Phys.Rev. C 98, 034308 (2018) R.Rodriguez-Guzman, L.M.Robledo Least action description of spontaneous fission in fermium and nobelium nuclei based on the Gogny energy density functional RADIOACTIVITY 242,244,246,248,250,252,254,256,258,260,262Fm, 250,252,254,256,258,260No(SF); calculated Hartree-Fock-Bogoliubov (HFB) plus rotational correction energies, inner barrier heights of fission paths, and SF half-lives within the generator coordinate method (GCM) and adiabatic time dependent HFB (ATDHFB) scheme. Gogny energy density functional with D1M parametrization in the least action scheme. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.034308
2018WA29 Phys.Rev. C 98, 041602 (2018) Cluster radioactivity in superheavy nuclei NUCLEAR STRUCTURE 234U, 258No, 284Cn; calculated potential energy surfaces (PEC) in (Q2, Q3) plane, pre- and post-scission configurations. 224Ra, 228Th, 234U, 238Pu, 244Cm, 248Cf, 254Fm, 258No, 264Rf, 268Sg, 274Hs, 278Ds, 284Cn, 290Fl, 294Lv; calculated cluster radioactivity (CR) fission paths as function of Q2 and Q3, and half-lives using microscopic theory. Comparison with available experimental data. Relevance to cluster decay mode in superheavy nuclei (SHN).
doi: 10.1103/PhysRevC.98.041602
2017BA03 Phys.Rev. C 95, 014318 (2017) M.Baldo, L.M.Robledo, P.Schuck, X.Vinas Barcelona-Catania-Paris-Madrid functional with a realistic effective mass NUCLEAR STRUCTURE Z=8-108, N=8-156; calculated binding energy differences of theoretical values computed with the HFB method and experimental values from AME-2012 for 620 even-even nuclei, rms charge deviations between experimental and theoretical values for the 315 even-even nuclei. 234U, 240,244Pu, 242,246Cm; calculated first and second fission barrier heights and the excitation energy of the fission isomers from Barcelona-Catania-Paris-Madrid (BCPM* and BCPM) functionals, and compared to experimental data. 90Zr, 106,110,112,114,116Cd, 112,114,116,118,120,122,124Sn, 144Sm, 208Pb; calculated average excitation energy of the giant monopole resonance (GMR) and giant quadrupole resonance (GQR) including pairing correlations, and compared with experimental data. Proposed a variant of Barcelona-Catania-Paris-Madrid (BCPM) energy density functional, with bare mass replaced by a density dependent effective mass.
doi: 10.1103/PhysRevC.95.014318
2017BE08 Acta Phys.Pol. B48, 249 (2017) R.N.Bernard, L.M.Robledo, T.R.Rodriguez Octupole Correlations in a Symmetry Conserving Framework NUCLEAR STRUCTURE 144Ba; calculated potential surface vs deformation β2 and β3 parameters, mass excess, levels, J, π, potential surface vs deformation β2 and β3 parameters, mass excess for specified states J, π, transition strength matrix elements using microscopic framework involving angular momentum, parity and particle number projected intrinsic HFB states, Gogny D1S interaction; deduce strong octupole collectivity
doi: 10.5506/APhysPolB.48.249
2017BR18 Phys.Rev.Lett. 119, 192504 (2017) B.A.Brown, G.F.Bertsch, L.M.Robledo, M.V.Romalis, V.Zelevinsky Nuclear Matrix Elements for Tests of Local Lorentz Invariance Violation NUCLEAR STRUCTURE 21Ne, 23Na, 133Cs, 173Yb, 201Hg; calculated quadrupole matrix elements. Self-consistent mean-field model (SCMF).
doi: 10.1103/PhysRevLett.119.192504
2017BU07 Phys.Rev.Lett. 118, 152504 (2017) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, R.N.Bernard, L.M.Robledo, T.R.Rodriguez, D.Cline, A.B.Hayes, A.D.Ayangeakaa, M.Q.Buckner, C.M.Campbell, M.P.Carpenter, J.A.Clark, H.L.Crawford, H.M.David, C.Dickerson, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, G.Savard, D.Seweryniak, R.Vondrasek Direct Evidence for Octupole Deformation in 146Ba and the Origin of Large E1 Moment Variations in Reflection-Asymmetric Nuclei NUCLEAR REACTIONS 208Pb(146Ba, 146Ba'), E=659 MeV; measured reaction products, Eγ, Iγ. 144,146,148Ba; deduced energy levels, J, π, B(Eλ), quadrupole and octupole deformation parameters. Calculated HFB potential energy surfaces, neutron single-particle energies. Coulomb excitation, comparison with available data.
doi: 10.1103/PhysRevLett.118.152504
2017GI04 Acta Phys.Pol. B48, 299 (2017) S.A.Giuliani, G.Martinez-Pinedo, L.M.Robledo, M.-R.Wu r-process Calculations with a Microscopic Description of the Fission Process NUCLEAR REACTIONS Z=84-120(n, f), E not given; calculated fission rates, r-process abundances using TALYS code with BCPM EDF (Barcelona-Catania-Paris-Madrid Energy Density functional) and using Panov rates, r-process abundances. Compared with Solar abundances. RADIOACTIVITY Z=84-120(SF); calculated fission rates, r-process abundances using TALYS code with BCPM EDF (Barcelona-Catania-Paris-Madrid Energy Density functional) and using Panov rates, r-process abundances. Compared with Solar abundances.
doi: 10.5506/APhysPolB.48.299
2017LE04 Phys.Rev. C 95, 064309 (2017) S.R.Lesher, C.Casarella, A.Aprahamian, L.M.Robledo, B.P.Crider, R.Ikeyama, I.R.Marsh, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, M.K.Smith, Z.R.Tully, J.R.Vanhoy, S.W.Yates Lifetime measurements of low-spin negative-parity levels in 160Gd NUCLEAR REACTIONS 160Gd(n, n'γ), E=1.5-2.8 MeV; measured Eγ, Iγ, γ(θ), excitation functions, level half-lives by DSAM at the University of Kentucky Accelerator Laboratory (UKAL). 160Gd; deduced levels, J, π, bands, multipolarities, mixing ratios, B(E2), B(E1), octupole vibrations; calculated potential energy surface in (Q20, Q30) plane. Comparison with generator coordinate method (GCM) calculations using the GognyD1S energy density functional.
doi: 10.1103/PhysRevC.95.064309
2017NO04 Phys.Rev. C 95, 064310 (2017) K.Nomura, R.RodrIguez-Guzman, L.M.Robledo Structural evolution in germanium and selenium nuclei within the mapped interacting boson model based on the Gogny energy density functional NUCLEAR STRUCTURE 66,68,70,72,74,76,78,80,82,84,86,88,90,92,94Ge, 68,70,72,74,76,78,80,82,84,86,88,90,92,94,96Se; calculated mean-field potential energy surfaces in (β, γ) plane using the Gogny-D1M EDF, and the IBM, level energies and B(E2) of low-lying 0+, 2+ and 4+ states, fraction of intruder configuration in 0+ states, spectroscopic quadrupole moments of 2+ states, ρ2(E0). 70,72,74,92Ge, 72,74,76,94Se; calculated positive-parity levels, J. Shape/phase transitions and shape coexistence. Interacting boson model (IBM) with self-consistent mean-field calculation based on the Gogny-D1M energy density functional, with mean-field energy surface from constrained Hartree-Fock-Bogoliubov (HFB) method. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.064310
2017NO07 Phys.Rev. C 96, 014314 (2017) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Description of odd-mass nuclei within the interacting boson-fermion model based on the Gogny energy density functional NUCLEAR STRUCTURE 149,151,153,155Eu, 149,151,153,155Sm, 195Pt, 195Au; calculated spherical single-particle energies, occupation probabilities of the single-particle orbitals, parameters of the boson-fermion Hamiltonian, coupling constants of the boson-fermion interaction, levels, J, π, B(E2), B(M1), electric quadrupole and magnetic dipole moments, bands and wavefunction amplitudes for levels in 195Pt and 195Au. 148,150,152,154Sm, 194Pt; calculated parameters of the boson Hamiltonian, potential energy surface contours in (β, γ) plane, low-lying levels, J, π, B(E2) for 194Pt. Interacting boson fermion model (IBFM) with parameters based on the Hartree-Fock-Bogoliubov (HFB) approximation, and with the Gogny-D1M energy density functional (EDF) at the mean-field level. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.014314
2017NO08 Phys.Rev. C 96, 034310 (2017) K.Nomura, R.Rodriguez-Guzman, Y.M.Humadi, L.M.Robledo, H.Abusara Structure of krypton isotopes within the interacting boson model derived from the Gogny energy density functional NUCLEAR STRUCTURE 70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100Kr; calculated (β, γ)-deformation energy surfaces, mapped IBM energy surfaces, energies, B(E2) and ρ2(E0) for first and second 2+, first 4+ and second 0+ states using Gogny-D1M and relativistic DD-PC1 energy density functionals (EDFs). 74,76,96,98Kr; calculated positive-parity levels, J using Gogny-D1M EDF. 76,98Kr; calculated low-energy positive-parity levels, J using Gogny D1S, D1M, D1N, relativistic DD-ME2 and DD-PC1 EDFs. Discussed shape transition and shape coexistence phenomena. Interacting boson model (IBM), with Hamiltonian from mean-field calculations based on several parametrizations of the Gogny energy density functional and the relativistic mean-field Lagrangian. Comparison with available experimental data.
doi: 10.1103/PhysRevC.96.034310
2017NO12 Phys.Rev. C 96, 064316 (2017) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Shape transitions in odd-mass γ-soft nuclei within the interacting boson-fermion model based on the Gogny energy density functional NUCLEAR STRUCTURE 129,131,133,135,137Ba, 127,129,131,133,135,137Xe, 129,131,133,135,137La, 127,129,131,133,135Cs; calculated single-particle energies, strength parameter of boson-fermion interaction, low-lying levels, J, π, B(E2), B(M1), spectroscopic quadrupole moments, magnetic moments. 128,130,132,134,136Ba, 126,128,130,132,134Xe; calculated Gogny-D1M and mapped IBM energy surfaces in (β2, γ) plane, low-lying levels, J, π. Interacting boson-fermion model (IBFM), with parameters determined from the microscopic Hartree-Fock-Bogoliubov (HFB) approximation, based on the parametrization D1M of the Gogny energy density functional. Comparison with experimental data taken from the databases at NNDC.
doi: 10.1103/PhysRevC.96.064316
2017RO28 Eur.Phys.J. A 53, 245 (2017) R.Rodriguez-Guzman, L.M.Robledo Microscopic description of fission in odd-mass uranium and plutonium nuclei with the Gogny energy density functional NUCLEAR STRUCTURE 233,235,237,239,241,243,245,247,249U, 233,235,237,239,241,243,245,247,249Pu; calculated binding energy, rotational energy, Q, octupole, hexadecapole moment vs quadrupole moment, gs fission path starting from 233,243U and 233,243Pu, fission fragment mass and charge, fission T1/2 within HFB-EFA (HFB Equal Filling Approximation) using Gogny D1M EDF. Compared with ATD (Adiabatic Time-Dependent) and GCM. Complete results shown only for several nuclei.
doi: 10.1140/epja/i2017-12444-9
2016BE06 J.Phys.(London) G43, 045115 (2016) B.Behera, X.Vinas, T.R.Routray, L.M.Robledo, M.Centelles, S.P.Pattnaik Deformation properties with a finite-range simple effective interaction NUCLEAR STRUCTURE Z=8-108; calculated binding energies and charge radii of even-even nuclei, potential energy surfaces, fission barriers, deformation properties. Finite-range simple effective interaction within the Hartree-Fock-Bogoliubov mean-field approach. Comparison with experimental data.
doi: 10.1088/0954-3899/43/4/045115
2016BE18 Phys.Rev. C 93, 061302 (2016) R.N.Bernard, L.M.Robledo, T.R.Rodriguez Octupole correlations in the 144Ba nucleus described with symmetry-conserving configuration-mixing calculations NUCLEAR STRUCTURE 144Ba; calculated HFB potential energy surface (PES), particle number, parity, and angular momentum PES in (β2, β3) plane, levels, J, π, B(E1), B(E2), B(E3), collective wave functions for the ground state and first excited negative-parity bands. Symmetry-conserving configuration-mixing method (SCCM) based on a Gogny energy density functional (EDF). Comparison with experimental data.
doi: 10.1103/PhysRevC.93.061302
2016NO11 Phys.Rev. C 94, 044314 (2016) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Structural evolution in A ∼ 100 nuclei within the mapped interacting boson model based on the Gogny energy density functional NUCLEAR STRUCTURE 92,94,96,98,100,102,104,106,108Sr, 94,96,98,100,102,104,106,108,110Zr, 96,98,100,102,104,106,108,110,112Mo, 98,100,102,104,106,108,110,112,114Ru; calculated deformation-energy surface contours in (β, γ) plane within the constrained Hartree-Fock-Bogoliubov framework, low-lying yrast and non-yrast levels, J, π, amplitudes of first and second 0+ states, B(E2). Self-consistent mean-field approximation based on the Gogny-D1M energy density functional. Comparison with experimental data taken from NNDC databases.
doi: 10.1103/PhysRevC.94.044314
2016OR06 Eur.Phys.J. A 52, 166 (2016) J.N.Orce, M.Kumar Raju, N.A.Khumalo, T.S.Dinoko, P.Jones, R.A.Bark, E.A.Lawrie, S.N.T.Majola, L.M.Robledo, B.Rubio, M.Wiedeking, J.Easton, E.A.Khaleel, B.V.Kheswa, N.Kheswa, M.S.Herbert, J.J.Lawrie, P.L.Masiteng, M.R.Nchodu, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, P.Papka, D.G.Roux, O.Shirinda, P.S.Sithole, S.W.Yates Search for two-phonon octupole excitations in 146Gd NUCLEAR REACTIONS 144Sm(α, 2n), E=26.1-26.8 MeV; measured Eγ, Iγ(θ), γγ-coin. 148Gd deduced γ-ray energy spectra gated by specified γ transitions, relative γ intensities in depopulating the 6+ (3484.5 keV) state, linear polarization, B(E3) for one-photon and two-photon excitations; calculated B(E3) using GCM with Gogny D1S force.
doi: 10.1140/epja/i2016-16166-2
2016RO04 Eur.Phys.J. A 52, 12 (2016) R.Rodriguez-Guzman, L.M.Robledo Microscopic description of fission in neutron-rich radium isotopes with the Gogny energy density functional NUCLEAR STRUCTURE 232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264Ra; calculated one-fragment and two-fragments HFB plus zero-point rotational energy, octupole, octupole, hexadecapole moment vs quadrupole moment, deformation, first fission isomer, first and second barrier heights vs neutron number, proton and neutron numbers of two fission fragments, spontaneous fission T1/2 using mean-field (HFB) based on different parameterizations of Gogny density functional.
doi: 10.1140/epja/i2016-16012-7
2016RO22 Eur.Phys.J. A 52, 300 (2016) Enhancement of octupole strength in near spherical nuclei NUCLEAR STRUCTURE 20Ne, 64Zn, 158Gd, 208Pb, 224Ra; calculated B(E3), gs quadrupole deformation. Compared with data. Fe, Ni, Zn, Cd, Sn, Te, Hg, Pb, Po; calculated gs and lowest negative parity state deformation, probability distribution for Jπ=1-.3-, 5-, B(E1), B(E3) for complete isotopic chain. Compared with available data. GCM (Generator Coordinate Method) framework model, compared with rotational formula.
doi: 10.1140/epja/i2016-16300-2
2016RO24 J.Phys.(London) G43, 105101 (2016) T.R.Routray, X.Vinas, D.N.Basu, S.P.Pattnaik, M.Centelles, L.B.Robledo, B.Behera Exact versus Taylor-expanded energy density in the study of the neutron star crust-core transition
doi: 10.1088/0954-3899/43/10/105001
2016RO28 Eur.Phys.J. A 52, 348 (2016) R.Rodriguez-Guzman, L.M.Robledo Microscopic description of fission in nobelium isotopes with the Gogny-D1M energy density functional NUCLEAR STRUCTURE 250,251,252,253,254,255,256,257,258,259,260No; calculated quadrupole, octupole, hexadecupole moments, pairing interaction energy for protons and neutrons, mass excess, fission paths, fission T1/2 using HFB framework CGM and ATD collective masses with D1M Gogny forces.
doi: 10.1140/epja/i2016-16348-x
2016SC17 Rep.Prog.Phys. 79, 116301 (2016) Microscopic theory of nuclear fission: a review
doi: 10.1088/0034-4885/79/11/116301
2015BA54 Nucl.Phys. A944, 442 (2015) A.Baran, M.Kowal, P.-G.Reinhard, L.M.Robledo, A.Staszczak, M.Warda Fission barriers and probabilities of spontaneous fission for elements with Z ≥ 100 NUCLEAR STRUCTURE 258Fm, 262No, 266Rf, 270Sg, 274Hs, 278Ds, 282Cn, 286Fl, 290,292,294,296,298,300,302,304Lv; calculated fission barriers vs quadrupole moment; revised previous paper by different quadrupole moment definition. 266Hs; calculated fission barriers vs quadrupole moment using MM model, Skyrme HFB approach, Gogny HF model.
doi: 10.1016/j.nuclphysa.2015.06.002
2015DO09 Nucl.Phys. A944, 388 (2015) J.Dobaczewski, A.V.Afanasjev, M.Bender, L.M.Robledo, Y.Shi Properties of nuclei in the nobelium region studied within the covariant, Skyrme, and Gogny energy density functionals NUCLEAR STRUCTURE Z=92-104; calculated levels, J, π, mass excess, moments of inertia using three different EDF (energy-density functionals).
doi: 10.1016/j.nuclphysa.2015.07.015
2015NO02 Phys.Rev. C 92, 014312 (2015) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Spectroscopy of quadrupole and octupole states in rare-earth nuclei from a Gogny force NUCLEAR STRUCTURE 146,148,150,152,154,156Sm, 148,150,152,154,156,158Gd; calculated levels, J, π, 0+ states, signature splitting, B(E1), B(E2), B(E3), potential energy surfaces in (β2, β3) plane, parameters of sdf-IBM Hamiltonian, correlation energies for 0+ states. Interacting boson model (IBM) with Hamiltonian parameters from mean-field calculations using Gogny energy density functional. comparison with experimental data, and with results of configuration mixing calculations with the Gogny force within the generator coordinate method (GCM). Discussed structure of excited 0+ states and their connection with double-octupole phonons.
doi: 10.1103/PhysRevC.92.014312
2015RO06 J.Phys.(London) G42, 055109 (2015) Ground state octupole correlation energy with effective forces NUCLEAR STRUCTURE A<260; analyzed available data; calculated the ground state octupole correlation energy. D1M variant of the Gogny force.
doi: 10.1088/0954-3899/42/5/055109
2015RO13 Eur.Phys.J. A 51, 73 (2015) R.Rodriguez-Guzman, L.M.Robledo, M.M.Sharma Microscopic description of quadrupole collectivity in neutron-rich nuclei across the N = 126 shell closure NUCLEAR STRUCTURE 182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216Nd, 184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Sm, 186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220Gd, 188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Dy, 190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224Er, 192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226Yb, 194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228Hf, 196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230W; calculated gs quadrupole deformation, intrinsic deformation, energy potential surfaces, 2n separation energy, mass excess, neutron, proton single-particle energy, J, π using mean field and beyond with Gogny energy density functionals.
doi: 10.1140/epja/i2015-15073-4
2015RU03 Phys.Rev. C 91, 044301 (2015) M.Rudigier, K.Nomura, M.Dannhoff, R-B.Gerst, J.Jolie, N.Saed-Samii, S.Stegemann, J.-M.Regis, L.M.Robledo, R.Rodriguez-Guzman, A.Blazhev, Ch.Fransen, N.Warr, K.O.Zell Evolution of E2 transition strength in deformed hafnium isotopes from new measurements on 172Hf, 174Hf, and 176Hf NUCLEAR REACTIONS 170,172Yb(α, 2n), E=27 MeV; 174Yb(α, 2n), E=26 MeV; measured conversion-electron momentum spectra using Cologne Orange magnetic spectrometer, Eγ, Iγ, γγ-, (ce)γγ-coin, level half-lives by (ce)γ(t) and γγ(t) methods with emphasis on the first 2+ states. 172,174,176Hf; deduced levels, J, π, B(E2). Comparison with previous results, and with theoretical model calculations. NUCLEAR STRUCTURE 168,170,172,174,176,178,180Hf; calculated contour plots of the deformation energy surfaces in (β, γ) plane for 168Hf to 176Hf, parameters for the IBM Hamiltonian, levels, J, π, moments of inertia and B(E2) for levels in the ground-state rotational band. Interacting boson model with Hamiltonian from Gogny HFB calculations using the D1M interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.044301
2014GA08 Phys.Rev. C 89, 034313 (2014) J.E.Garcia-Ramos, K.Heyde, L.M.Robledo, R.Rodriguez-Guzman Shape evolution and shape coexistence in Pt isotopes: Comparing interacting boson model configuration mixing and Gogny mean-field energy surfaces NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192Pt; calculated total energy curves as function of β2, energy surface contours in (β, γ) plane, energies of unperturbed regular and intruder IBM bandheads. Interacting boson model with configuration mixing, and Hartree-Fock-Bogolyubov calculations with Gogny-D1S interaction. Detailed comparison of the two methods.
doi: 10.1103/PhysRevC.89.034313
2014GI07 Phys.Rev. C 90, 054311 (2014) S.A.Giuliani, L.M.Robledo, R.Rodriguez-Guzman Dynamic versus static fission paths with realistic interactions RADIOACTIVITY 232,234,236,238U(SF); calculated HFB energy, collective inertia, and action as functions of particle number fluctuation, spontaneous fission half-lives. Barcelona-Catania-Paris-Madrid and Gogny D1M energy density functionals using the minimum action principle with the adiabatic time dependent HFB (ATDHFB)ATDHFB and generator coordinate method (GCM). Comparison with experimental data.
doi: 10.1103/PhysRevC.90.054311
2014LE03 Phys.Rev. C 89, 011306 (2014) J.Le Bloas, N.Pillet, M.Dupuis, J.M.Daugas, L.M.Robledo, C.Robin, V.G.Zelevinsky First characterization of sd-shell nuclei with a multiconfiguration approach NUCLEAR STRUCTURE 20,22,24,26,28Ne, 22,24,26,28,30Mg, 24,26,28,30,32Si, 26,28,30,32,34S, 30,32,34,36Ar; calculated binding energies, S(2n), S(2p), energies and B(E2) of first 2+ states, magnetic dipole and electric static quadrupole moments, B(M1) for transitions between low-lying 1+, 2+ and 3+ states in spherical Hartree-Fock (HF) and multiparticle-multihole configuration mixing (CM) approximations with D1S Gogny interaction. Comparison with experimental values.
doi: 10.1103/PhysRevC.89.011306
2014RO03 Phys.Rev. C 89, 021303 (2014) L.M.Robledo, R.N.Bernard, G.F.Bertsch Spin constraints on nuclear energy density functionals NUCLEAR STRUCTURE 164,166,168Ho, 168,170,172Tm, 172,174,176Lu, 180,182,184Ta, 184,186,188Lu; calculated spin splittings of neutron-proton two-quasiparticle configurations for 100-225 doublets for each of the odd-odd nucleus using D1S and D1M interactions. Comparison with Gallagher-Moszkowski (GM) rule for perturbative results for two-body interaction, three-body interaction, and the full interaction. Discussed violation of GM rule, and generalization of the three-body interaction.
doi: 10.1103/PhysRevC.89.021303
2014RO09 Phys.Rev. C 89, 054310 (2014) R.Rodriguez-Guzman, L.M.Robledo Microscopic description of fission in uranium isotopes with the Gogny energy density functional RADIOACTIVITY 232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280U, 238,240,242,244Pu, 240,242,244,246,248Cm, 250,252Cf, 250,252,254,256Fm, 252,254,256No, 256,258,260Rf, 258,260,262Sg, 264Hs, 286Fl(SF); calculated heights of the inner and second barriers, excitation energies of the fission isomers, density contours of some uranium isotopes, HFB plus the zero-point rotational energies, SF half-lives, proton, neutron and mass numbers of fission fragments, S(2n) as function of neutron number. Constrained Hartree-Fock-Bogoliubov (HDF) approximation based on Gogny-like energy density functionals (EDFs). Investigated role of γ degree of freedom by means of triaxial calculations. Discussed uncertainties in predicted SF half-lives arising from building blocks affecting the WKB formula. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.054310
2014RO24 Eur.Phys.J. A 50, 142 (2014) R.Rodriguez-Guzman, L.M.Robledo Microscopic description of fission in neutron-rich plutonium isotopes with the Gogny-D1M energy density functional
doi: 10.1140/epja/i2014-14142-6
2013AL05 Nucl.Phys. A899, 1 (2013); Erratum Nucl.Phys. A947, 260 (2016) M.Albers, K.Nomura, N.Warr, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, M.Scheck, M.Seidlitz, B.Siebeck, G.S.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of 92Kr, 94Kr and 96Kr NUCLEAR REACTIONS 194,196Pt(92Kr, 92Kr'), (94Kr, 94Kr'), (96Kr, 96Kr'), E=2.85 MeV/nucleon; measured projectile and target E, I(θ, t) using DSSD, Eγ, Iγ(θ) from Coulomb excitation using HPGe array and considering Doppler correction, (particle)γ-coin; calculated electromagnetic matrix elements, γ-ray yields using CC code GOSIA2, energy vs deformation using IBM-2 with self-consistent constrained HFB with Gogny functional; deduced Coulomb excitation σ, electromagnetic matrix elements using fit to data, B(E2), quadrupole moments, IBM-2 Hamiltonian parameters. 96Kr calculated levels, J, π; deduced shape coexistence.
doi: 10.1016/j.nuclphysa.2013.01.013
2013BA33 Phys.Rev. C 87, 064305 (2013) M.Baldo, L.M.Robledo, P.Schuck, X.Vinas New Kohn-Sham density functional based on microscopic nuclear and neutron matter equations of state NUCLEAR STRUCTURE Z=8-116, N=4-154; calculated binding energies; analyzed differences between the calculated and experimental values from AME-2003 for 579 nuclei; deduced energy rms value. N=4-154; calculated rms charge radii for even-even nuclei and compared with evaluated experimental values. Quadrupole and octupole deformations calculated for 818 nuclei. 240Pu, 262Sg; calculated spontaneous fission barrier heights, SF half-lives, quadrupole, octupole and hexadecapole moments. Comparison with experimental data. 90Zr, 144Sm, 208Pb, 106,110,112,114,116Cd, 112,114,116,118,120,122,124Sn; calculated energies of isoscalar giant monopole and quadrupole (ISGMR, ISGQR) resonances with and without pairing. Comparison with experimental data. A new version of Barcelona-Catania-Paris energy functional based on calculated ab initio nuclear and neutron matter equations of state. Comparison with other mean-field theories.
doi: 10.1103/PhysRevC.87.064305
2013GA23 Nature 497, 199 (2013) L.P.Gaffney, P.A.Butler, M.Scheck, A.B.Hayes, F.Wenander, M.Albers, B.Bastin, C.Bauer, A.Blazhev, S.Bonig, N.Bree, J.Cederkall, T.Chupp, D.Cline, T.E.Cocolios, T.Davinson, H.De Witte, J.Diriken, T.Grahn, A.Herzan, M.Huyse, D.G.Jenkins, D.T.Joss, N.Kesteloot, J.Konki, M.Kowalczyk, Th.Kroll, E.Kwan, R.Lutter, K.Moschner, P.Napiorkowski, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, K.Reynders, S.V.Rigby, L.M.Robledo, M.Rudigier, S.Sambi, M.Seidlitz, B.Siebeck, T.Stora, P.Thoele, P.Van Duppen, M.J.Vermeulen, M.von Schmid, D.Voulot, N.Warr, K.Wimmer, K.Wrzosek-Lipska, C.Y.Wu, M.Zielinska Studies of pear-shaped nuclei using accelerated radioactive beams NUCLEAR REACTIONS 60Ni, 112,114Cd, 120Sn(220Rn, 220Rn'), (224Ra, 224Ra'), E=2.82, 2.83 MeV/nucleon; [220Rn and 224Ra secondary beams from U(p, X), E=1.4 GeV primary reaction]; measured Eγ, Iγ, γγ-, (particle)γγ-, (particle)(particle)γ-coin using Miniball array and DSSSDs at REX-EBIS-ISOLDE-CERN facility. 220Rn, 224Ra; deduced levels, J, π, γ-branching ratios, electromagnetic matrix elements, B(E1), B(E2), B(E3), Q1, Q2, Q3, octupole collectivity and deformation. Discussed electric dipole moment (EDM). Coulomb excitation data analyzed using GOSIA computer code. Comparison with self-consistent mean-field theory, and cluster model calculations. Systematics of Q1, Q2 and Q3 for 218,220,222,224,226Rn, 220,222,224,226,228Ra.
doi: 10.1038/nature12073
2013GI06 Phys.Rev. C 88, 054325 (2013) Fission properties of the Barcelona-Catania-Paris-Madrid energy density functional RADIOACTIVITY 226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282U, 238,240,242,244Pu, 240,242,244,246,248Cm, 250,252Cf, 250,252,254,256Fm, 252,254,256No, 256,258,260Rf, 258,260,262Sg, 264Hs, 286Fl(SF); calculated SF half-lives, fission barrier height parameters and excitation energies of fission isomers, Z, N and A of emitted fragments, HFB energies as a function of the quadrupole moment Q20. Barcelona-Catania-Paris-Madrid (BCPM) energy density functional with mean-field techniques. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.054325
2013NO05 Phys.Rev. C 87, 064313 (2013) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo Shape evolution and the role of intruder configurations in Hg isotopes within the interacting boson model based on a Gogny energy density functional NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204Hg; calculated microscopic DIM and mapped potential energy surface contours in (β, γ) plane, single particle energies as function of β2 deformation parameter, levels, J, π, B(E2), spectroscopic quadrupole moments of first two 2+ states, transition quadrupole moments of higher spin states, fraction of intruder 2p-2h configuration, rms charge radii of ground-states, and E0 parameters from excited 0+ states. Shape coexistence and complex shape dynamics in Hg isotopes. Interacting boson model, constrained Hartree-Fock-Bogoliubov (HFB) calculations using the Gogny-D1M energy density functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.064313
2013RO30 Phys.Rev. C 88, 051302 (2013) Quadrupole-octupole coupling in the light actinides NUCLEAR STRUCTURE 220Rn, 224Ra, 228,232Th; calculated contour plots of the HFB energy surfaces in (Q20, Q30) plane, 1- and 2+ energy levels, associated B(E1), B(E2) and B(E3). 216,218,220,222,224,226,228Rn, 218,220,222,224,226,228,230Ra, 220,222,224,226,228,230,232Th; calculated level energies of 1- states, B(E1), B(E3). Comparison with experimental data. Two-dimensional Generator coordinate method (GCM) calculation for quadrupole-octupole coupling using DIS and DIM Gogny forces.
doi: 10.1103/PhysRevC.88.051302
2012AL03 Phys.Rev.Lett. 108, 062701 (2012); Erratum Phys.Rev.Lett. 109, 209904 (2012) M.Albers, N.Warr, K.Nomura, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, T.Otsuka, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, P.Sarriguren, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes NUCLEAR REACTIONS 194,196Pt(94Kr, 94Kr'), (96Kr, 96Kr'), 285 MeV/nucleon; measured reaction products, Eγ, Iγ. 94,96Kr; deduced J, π, B(E2), spectroscopic quadrupole moments. Comparison with IBM calculations based on the constrained HFB approach using the microscopic Gogny-D1M energy density functional.
doi: 10.1103/PhysRevLett.108.062701
2012BE04 Phys.Rev.Lett. 108, 042505 (2012) Symmetry Restoration in Hartree-Fock-Bogoliubov Based Theories
doi: 10.1103/PhysRevLett.108.042505
2012NO07 Phys.Rev. C 86, 034322 (2012) K.Nomura, R.Rodriguez-Guzman, L.M.Robledo, N.Shimizu Shape coexistence in lead isotopes in the interacting boson model with a Gogny energy density functional NUCLEAR STRUCTURE 182,184,186,188,190,192Pb; calculated levels, J, π, potential energy surface contours in β-γ plane, B(E2), configuration, spectroscopic quadrupole moments using interacting boson model (IBM) model plus configuration mixing with microscopic input based on the Gogny energy density functional (EDF). Evolution of the shape coexistence in the neutron-deficient lead isotopes. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.034322
2012RO27 Phys.Rev. C 86, 034336 (2012) R.Rodriguez-Guzman, L.M.Robledo, P.Sarriguren Microscopic description of quadrupole-octupole coupling in Sm and Gd isotopes with the Gogny energy density functional NUCLEAR STRUCTURE 146,148,150,152,154Sm, 148,150,152,154,156Gd; calculated mean-field potential energy surfaces in Q20-Q30 plane, B(E1), B(E3), proton and neutron pairing energies, electric dipole moment D, quadrupole moment Q20 and octupole moment Q30, single-particle energies as function of quadrupole and octupole moments, parity-projected potential energy surface contours, dynamical dipole, quadrupole and octupole moments. Gogny-DIS and Gogny-DIM energy density functionals. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.034336
2012RO29 J.Phys.(London) G39, 105103 (2012) L.M.Robledo, R.R.Rodriguez-Guzman Octupole deformation properties of actinide isotopes within a mean-field approach NUCLEAR STRUCTURE 220,222,224,226,228,230,232,234,236,238,240U, 222,224,226,228,230,232,234,236,238,240,242Pu, 222,224,226,228,230,232,234,236,238,240,242Cm, 222,224,226,228,230,232,234,236,238,240,242Cf; calculated octupole deformation, B(E1), B(E3). Systematic mean-field calculations, comparison with experimental data.
doi: 10.1088/0954-3899/39/10/105103
2012RO39 Phys.Rev. C 86, 054306 (2012) Electromagnetic transition strengths in soft deformed nuclei NUCLEAR STRUCTURE 24,32Mg, 48,62Cr, 78,92Kr, 144,160Gd, 164,180Hf, 194,208Pb, 234,244Pu; Z=10-94, N=10-160; calculated B(E2), B(E3) as function of β2 for 818 even-even nuclei with exact angular momentum projection with the rotational formula and spherical limit. Mean-field wave functions in the Hartree-Fock-Bogoliubov approximation with Gogny D1S interaction assuming axial symmetry. Proposed an interpolation formula describing transition strengths over entire range of deformations.
doi: 10.1103/PhysRevC.86.054306
2012RO40 Phys.Rev. C 86, 064313 (2012) L.M.Robledo, R.Bernard, G.F.Bertsch Pairing gaps in the Hartree-Fock-Bogoliubov theory with the Gogny D1S interaction NUCLEAR STRUCTURE Z=8, N=9-19; Z=50, N=49-87; Z=62, N=77-113; Z=82, N=95-133; Z=92, N=131-149; calculated neutron pairing gaps in odd-A nuclei using a new method to find HFB minima. Hartree-Fock-Bogoliubov (HFB) theory with Gogny DIS interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.064313
2011DU30 Phys.Rev. C 84, 061301 (2011) J.Dukelsky, SH.Lerma, L.M.Robledo, R.Rodriguez-Guzman, S.M.A.Rombouts Exactly solvable pairing Hamiltonian for heavy nuclei NUCLEAR STRUCTURE 238U, 154Sm; calculated state-dependent gaps, proton pairing tensor, pairing energies. Exactly solvable Hamiltonian from Richardson-Gaudin models. Comparison with Gogny self-consistent mean-field calculations in the Hartree-Fock basis.
doi: 10.1103/PhysRevC.84.061301
2011NO01 Phys.Rev. C 83, 014309 (2011) K.Nomura, T.Otsuka, R.Rodriguez-Guzman, L.M.Robledo, P.Sarriguren Structural evolution in Pt isotopes with the interacting boson model Hamiltonian derived from the Gogny energy density functional NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192,194,196,198,200Pt; calculated potential energy surfaces in the β-γ plane, low-lying spectra of g.s., quasi β and quasi γ bands, B(E2) values, Level schemes for 184,186,188,190,192,194Pt nuclei. Interacting boson model (IBM) Hamiltonian from constrained Hartree-Fock-Bogoliubov (HFB) calculations with the finite range and density-dependent Gogny-D1S energy density functional. Shape transition in Pt nuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.014309
2011NO05 Phys.Rev. C 83, 054303 (2011) K.Nomura, T.Otsuka, R.Rodriguez-Guzman, L.M.Robledo, P.Sarriguren, P.H.Regan, P.D.Stevenson, Zs.Podolyak Spectroscopic calculations of the low-lying structure in exotic Os and W isotopes NUCLEAR STRUCTURE 186,188,190,192,194,196,198Os, 184,186,188,190,192,194,196W; calculated levels, J, π, B(E2), potential energy surfaces, g.s. and quasi γ bands. Interacting boson model (IBM) Hamiltonian determined by (constrained) Hartree-Fock-Bogoliubov calculations with the Gogny-D1S energy density functional (EDF). Comparison with experimental data.
doi: 10.1103/PhysRevC.83.054303
2011NO15 Phys.Rev. C 84, 054316 (2011) K.Nomura, T.Otsuka, R.Rodriguez-Guzmin, L.M.Robledo, P.Sarriguren Collective structural evolution in neutron-rich Yb, Hf, W, Os, and Pt isotopes NUCLEAR STRUCTURE 180,182,184,186,188,190,192Yb, 182,184,186,188,190,192,194Hf, 184,186,188,190,192,194,196W, 186,188,190,192,194,196,198Os, 188,190,192,194,196,198,200Pt; calculated potential energy surfaces, ground-state correlation energies, moments of inertia, low-lying levels, J, π, B(E2) ratios. Interacting-boson-model (IBM) Hamiltonian from constrained Hartree-Fock-Bogoliubov calculations with the Gogny-DIM energy density functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.054316
2011RO08 Phys.Rev. C 83, 044307 (2011) R.Rodriguez-Guzman, P.Sarriguren, L.M.Robledo Shape evolution in yttrium and niobium neutron-rich isotopes NUCLEAR STRUCTURE 87,89,91,93,95,97,99,101,103,105,107Y, 89,91,93,95,97,99,101,103,105,107,109Nb; calculated levels, J, π, charge radii, S(2n), one-quasiproton configurations, quadrupole deformations. 100Zr; calculated proton single-particle energies versus quadrupole deformation parameter. 92,94,96,98Kr; calculated Q-γ planes. Z=36-42, N=46-64; calculated charge radii. Self-consistent Hartree-Fock-Bogoliubov calculations with Gogny interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.044307
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