NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = J.M.Arias Found 86 matches. 2023BA10 J.Phys.(London) G50, 045104 (2023) Extended analytical solutions of the Bohr Hamiltonian with the sextic oscillator: Pt-Os isotopes NUCLEAR STRUCTURE 188,190,192,194,196,198Pt, 186,188,190,192Os; calculated energy levels, J, π, B(E2) ratios, E2 transitions, energy eigenvalues, ground-state bands. Comparison with available data.
doi: 10.1088/1361-6471/acb78a
2023MA43 Phys.Rev. C 108, 034316 (2023) E.Maya-Barbecho, S.Baid, J.M.Arias, J.E.Garcia-Ramos At the borderline of shape coexistence: Mo and Ru
doi: 10.1103/PhysRevC.108.034316
2022SA42 Phys.Rev. C 106, 064322 (2022) A.Saiz, J.-E.Garcia-Ramos, J.M.Arias, L.Lamata, P.Perez-Fernandez Digital quantum simulation of an extended Agassi model: Using machine learning to disentangle its phase-diagram
doi: 10.1103/PhysRevC.106.064322
2021BO07 Eur.Phys.J. A 57, 2 (2021); Erratum Eur.Phys.J. A 57, 292 (2021) M.Boyukata, C.E.Alonso, J.M.Arias, L.Fortunato, A.Vitturi Unexpected transitional paths in the prolate to oblate shape phase transitions for Bose-Fermi systems
doi: 10.1140/epja/s10050-020-00308-4
2021LE10 J.Phys.(London) G48, 085102 (2021) Extended analytical solutions of the Bohr Hamiltonian with the sextic oscillator NUCLEAR STRUCTURE 98,100,102,104,106,108Ru, 102,104,106,108,110Pd; calculated energy levels, J, π, B(E2). Comparison with available data.
doi: 10.1088/1361-6471/abcdf6
2020CA30 Phys.Rev. C 102, 069801 (2020) J.Casal, M.Rodriguez-Gallardo, J.M.Arias, E.Garrido, R.de Diego Comment on "From Coulomb excitation cross sections to nonresonant astrophysical rates in three-body systems: The 17Ne case" NUCLEAR REACTIONS 15O(2p, γ)17Ne, T=0.3-10 GK; calculated contribution to the reaction rate from 1/2+ states, and 1/2+ resonance. 208Pb(17Ne, X), E=500 MeV/nucleon; calculated Coulomb dissociation cross sections for the 1/2+ B(E1) distribution, for the total (1/2+ + 3/2+) B(E1) distribution, and from shifting of the 1/2+ resonance position. Comparison with experimental data. This comment is in response to critique by 2018Pa43 on the calculations in 2016Ca38 about the radiative capture for 17Ne formation.
doi: 10.1103/PhysRevC.102.069801
2020FO02 Eur.Phys.J. A 56, 49 (2020) L.Fortunato, C.E.Alonso, J.M.Arias, J.Casal, K.Hagino, J.A.Lay, E.G.Lanza, S.M.Lenzi, J.Lubian, T.Oishi, F.Perez-Bernal An overview of the scientific contribution of Andrea Vitturi to nuclear physics
doi: 10.1140/epja/s10050-020-00034-x
2020GA32 Chin.Phys.C 44, 124101 (2020) J.E.Garcia-Ramos, J.M.Arias, A.Vitturi Two-neutron transfer reactions as a tool to study the interplay between shape coexistence and quantum phase transitions NUCLEAR STRUCTURE Hg, Pt, Zr, Sm; analyzed available data; calculated two-neutron transfer intensities using the Interacting Boson Model (IBM), including its version with configuration mixing (IBM-CM).
doi: 10.1088/1674-1137/abb4ca
2018AR02 Phys.Rev. C 97, 044609 (2018) A.Arazi, J.Casal, M.Rodriguez-Gallardo, J.M.Arias, R.Lichtenthaler Filho, D.Abriola, O.A.Capurro, M.A.Cardona, P.F.F.Carnelli, E.de Barbara, J.Fernandez Niello, J.M.Figueira, L.Fimiani, D.Hojman, G.V.Marti, D.Martinez Heimann, A.J.Pacheco 9Be + 120Sn scattering at near-barrier energies within a four-body model NUCLEAR REACTIONS 120Sn(9Be, 9Be), (9Be, 9Be'), E=26, 27, 28, 29.5, 31, 42, 50 MeV; measured scattered particles, differential σ(E, θ) of elastic and inelastic channels using 20 UD tandem accelerator TANDAR at Buenos Aires; deduced excitation to first 2+ and 3- states in 120Sn. Comparison with optical model (OM) and four-body continuum-discretized coupled-channels (CDCC) calculations.
doi: 10.1103/PhysRevC.97.044609
2018GA13 Phys.Rev. C 97, 054303 (2018) J.E.Garcia-Ramos, J.Dukelsky, P.Perez-Fernandez, J.M.Arias Phase diagram of an extended Agassi model
doi: 10.1103/PhysRevC.97.054303
2017GA07 Phys.Rev. C 95, 054326 (2017) J.E.Garcia-Ramos, P.Perez-Fernandez, J.M.Arias Excited-state quantum phase transitions in a two-fluid Lipkin model
doi: 10.1103/PhysRevC.95.054326
2016CA16 Phys.Rev. C 93, 041602 (2016) J.Casal, M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho Determining astrophysical three-body radiative capture reaction rates from inclusive Coulomb break-up measurements NUCLEAR REACTIONS 208Pb(11Li, X), E=24.3, 29.8 MeV; Pb(6He, X), E=18, 22 MeV; calculated breakup probability of 11Li in 9Li+n+n and 6He in α+n+n as a function of collision time, B(E1) distribution, and compared with experimental data. 9Li(2n, γ)11Li, T9=0.5-2.5; 4He(2n, γ)6He, T9=2.75-4; calculated reaction rates. Established a relation between radiative capture reaction rate and the inclusive Coulomb break-up probability.
doi: 10.1103/PhysRevC.93.041602
2016CA38 Phys.Rev. C 94, 054622 (2016) J.Casal, E.Garrido, R.de Diego, J.M.Arias, M.Rodriguez-Gallardo Radiative capture reaction for 17Ne formation within a full three-body model NUCLEAR STRUCTURE 17Ne; calculated energy and probability distribution of the ground state, matter and charge radii of 17Ne Borromean nucleus in a full three-body (15O+p+p) model using analytical transformed harmonic oscillator (THO), and the hyperspherical adiabatic (HA) expansion methods. Comparison with experimental values. NUCLEAR REACTIONS 15O(2p, γ)17Ne, T9=0.1-10; calculated two-proton capture reaction rate using the THO method, including sequential and direct, resonant and nonresonant contributions, dominant E1 contributions to the reaction rate from the inverse photodissociation process. Comparison with previous theoretical calculations. Relevance to CNO cycles and rp-process.
doi: 10.1103/PhysRevC.94.054622
2016GA09 Phys.Rev. C 93, 034336 (2016) J.E.Garcia-Ramos, P.Perez-Fernandez, J.M.Arias, E.Freire Phase diagram of the two-fluid Lipkin model: A "butterfly" catastrophe
doi: 10.1103/PhysRevC.93.034336
2016LA20 Phys.Rev. C 94, 021602 (2016) J.A.Lay, R.de Diego, R.Crespo, A.M.Moro, J.M.Arias, R.C.Johnson Evidence of strong dynamic core excitation in 19C resonant break-up NUCLEAR REACTIONS 1H(19C, X), E=70 MeV/nucleon; calculated differential σ(θ) for the first and the second 5/2+ resonance using XCDCC and XDDWBA approaches in valence-core model; deduced role of core excitations in the resonant breakup of 19C. Comparison with experimental data. NUCLEAR STRUCTURE 19C; calculated levels, J, π using shell-model with OXBASH and the WBP interaction, and within semimicroscopic core-plus-valence-particle model (P-AMD) using 18C as an inert core. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.021602
2016MA19 Phys.Rev. C 93, 034332 (2016) E.Mardones, J.Barea, C.E.Alonso, J.M.Arias β-decay rates of 121-131Cs in the microscopic interacting boson-fermion model NUCLEAR STRUCTURE 121,123,125,127,129,131Cs, 121,123,125,127,129,131Xe; calculated positive-parity levels, J using IBFM-2 model. Comparison with experimental values. RADIOACTIVITY 121,123,125,127,129,131Cs(β+); calculated logft values with and without number operator approximation (NOA) using neutron-proton interacting boson fermion model (IBFM-2). Comparison with experimental values.
doi: 10.1103/PhysRevC.93.034332
2016MO06 Acta Phys.Pol. B47, 821 (2016) A.M.Moro, J.Lei, M.Gomez-Ramos, J.M.Arias, R.de Diego, J.Gomez-Camacho, J.A.Lay Recent Developments for the Calculation of Elastic and Non-elastic Breakup of Weakly-bound Nuclei
doi: 10.5506/APhysPolB.47.821
2015CA25 Phys.Rev. C 92, 054611 (2015) J.Casal, M.Rodriguez-Gallardo, J.M.Arias 9Be elastic scattering on 208Pb and 27Al within a four-body reaction framework NUCLEAR REACTIONS 208Pb(9Be, 9Be), E=38, 44, 60 MeV; 27Al(9Be, 9Be), E=14, 22, 32 MeV; calculated σ(θ, E); deduced effects of model space truncation, continuum couplings, dipolar contribution, and position of the projectile low-energy resonances. Four-body framework using the continuum-discretized coupled-channels (CDCC) method, with 9Be described in a three-body (α+α+n) model using the analytical transformed harmonic oscillator (THO) basis in hyperspherical coordinates. Comparison with available experimental data. NUCLEAR STRUCTURE 9Be; calculated levels energies of 3/2-, 1/2+ and 5/2- states up to 10 MeV for an analytical THO basis.
doi: 10.1103/PhysRevC.92.054611
2014CA36 Phys.Rev. C 90, 044304 (2014); Pub.Note Phys.Rev. C 94, 069903 (2016) J.Casal, M.Rodriguez-Gallardo, J.M.Arias, I.J.Thompson Astrophysical reaction rate for 9Be formation within a three-body approach NUCLEAR STRUCTURE 9Be; calculated ground-state energy, matter and charge radii, sum rule ST(E1) using α+α+n three body approach and analytical transformed harmonic oscillator method for 9Be Borromean nucleus. NUCLEAR REACTIONS 8Be(n, γ)9Be; calculated photodissociation σ(E)for α+α+n --> 9Be+γ reaction, reaction rate dependence on temperature, contribution of resonances to total photodissociation cross section, total astrophysical reaction rates using α+α+n three body approach and analytical transformed harmonic oscillator method. Comparison with experimental results.
doi: 10.1103/PhysRevC.90.044304
2014DE15 Phys.Rev. C 89, 064609 (2014) R.de Diego, J.M.Arias, J.A.Lay, A.M.Moro Continuum-discretized coupled-channels calculations with core excitation NUCLEAR REACTIONS 1H(11Be, X), E=10, 63.7, 200 MeV/nucleon; calculated differential breakup σ(θ, E). 64Zn(11Be, X), E=28.7 MeV; calculated quasielastic and breakup differential σ(θ). 208Pb(11Be, X), E=69 MeV/nucleon; calculated breakup differential σ(θ). Scattering of a two-body halo nucleus. Dipole strength distribution for 11Be deduced from Coulomb breakup experiments. Extended version of Continuum-discretized coupled-channels (XCDCC) method with core excitation. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.064609
2014LA02 Phys.Rev. C 89, 014333 (2014) J.A.Lay, A.M.Moro, J.M.Arias, Y.Kanada-En'yo Semi-microscopic folding model for the description of two-body halo nuclei NUCLEAR STRUCTURE 19C, 11Be; calculated levels, J, π, spectroscopic factors for ground state and low-lying resonances for one-neutron halo nuclei. 10Be, 18C; calculated neutron and proton transition densities for ground state and first 2+ state, rms radii. Particle-plus-core model (PRM), particle-core folding potential based in antisymmetrized molecular dynamics (AMD) transition densities (P-AMD), and shell model calculations using WBT interaction. Comparison of levels, J, π with experimental data.
doi: 10.1103/PhysRevC.89.014333
2013CA15 Phys.Rev. C 88, 014327 (2013) J.Casal, M.Rodriguez-Gallardo, J.M.Arias Analytical transformed harmonic oscillator basis for three-body nuclei of astrophysical interest: Application to 6He NUCLEAR STRUCTURE 6He; calculated levels, J, π, ground-state energy, matter radius, B(E1) distribution, radiative capture reaction rate of astrophysics interest. Three-body α+n+n Borromean system. Analytical transformed harmonic oscillator (THO) method. Comparison with previous theoretical studies.
doi: 10.1103/PhysRevC.88.014327
2012LA12 Phys.Rev. C 85, 054618 (2012) J.A.Lay, A.M.Moro, J.M.Arias, J.Gomez-Camacho Particle motion in a deformed potential using a transformed oscillator basis NUCLEAR STRUCTURE 11Be; calculated wave functions of ground and excited states, level energies, level density, B(E1), B(E2). Pseudostate (PS) basis for a particle moving in a deformed potential, transformed harmonic oscillator (THO) functions, using a local scale transformation (LST). 10Be+n two body model. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.054618
2011BA04 Phys.Rev. C 83, 024307 (2011) J.Barea, C.E.Alonso, J.M.Arias Odd-even 147-153Pm isotopes within the neutron-proton interacting boson-fermion model NUCLEAR STRUCTURE 147,149,151,153Pm; calculated levels, J, π, bands, B(M1), B(E2), spectroscopic factors for pickup and stripping reactions, electrical quadrupole and magnetic dipole moments. Neutron-proton interacting boson-fermion model (IBFM-2). Comparison with experimental data.
doi: 10.1103/PhysRevC.83.024307
2011FO03 Int.J.Mod.Phys. E20, 207 (2011) L.Fortunato, C.E.Alonso, J.M.Arias, M.Boyukata, A.Vitturi Odd nuclei and shape phase transitions: The role of the unpaired Fermion
doi: 10.1142/S0218301311017533
2011FO09 Phys.Rev. C 84, 014326 (2011) L.Fortunato, C.E.Alonso, J.M.Arias, J.E.Garcia-Ramos, A.Vitturi Phase diagram for a cubic- Q interacting boson model Hamiltonian: Signs of triaxiality
doi: 10.1103/PhysRevC.84.014326
2010BA32 Phys.Rev. C 82, 024316 (2010) J.Barea, J.M.Arias, J.E.Garcia Ramos Relationship between X(5) models and the interacting boson model
doi: 10.1103/PhysRevC.82.024316
2010BO08 Phys.Rev. C 82, 014317 (2010) M.Boyukata, C.E.Alonso, J.M.Arias, L.Fortunato, A.Vitturi Shape phase transition in odd-even nuclei: From spherical to deformed γ-unstable shapes
doi: 10.1103/PhysRevC.82.014317
2010LA09 Phys.Rev. C 82, 024605 (2010) J.A.Lay, A.M.Moro, J.M.Arias, J.Gomez-Camacho Exploring continuum structures with a pseudo-state basis NUCLEAR REACTIONS 12C, 208Pb(6He, 6He), E=240 MeV/nucleon; 12C(11Be, 11Be), E=67 MeV/nucleon; calculated differential σ(E), σ(θ), energy breakup differential σ(E), B(E1) and B(E2) transition probabilities for the 6He=α+2n system, and scattering phase shifts. Calculations based on treatment of a weakly bound system in terms square-integrable functions, or pseudo-state (PS) generated by a parametric local scale transformation (LST) to the transformed harmonic oscillator (HO) basis. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.024605
2010LE05 Phys.Rev. C 81, 044304 (2010) Search for critical-point nuclei in terms of the sextic oscillator NUCLEAR STRUCTURE 102,104,106,108,110Pd, 98,100,102,104,106,108Ru, 106,108,110,112,114,116Cd; analyzed energies, J, π; calculated B(E2), and E0 transition strengths using sextic oscillator model for spherical to deformed γ-unstable nuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.81.044304
2009AL04 Phys.Rev. C 79, 014306 (2009) C.E.Alonso, J.M.Arias, L.Fortunato, A.Vitturi UBF(5) to SUBF(3) shape phase transition in odd nuclei for j=1/2, 3/2, and 5/2 orbits: The role of the odd particle at the critical point
doi: 10.1103/PhysRevC.79.014306
2009IN02 Phys.Rev. C 80, 034321 (2009) I.Inci, C.E.Alonso, J.M.Arias, L.Fortunato, A.Vitturi Coherent state approach to the interacting boson model: Test of its validity in the transitional region
doi: 10.1103/PhysRevC.80.034321
2009MO36 Phys.Rev. C 80, 054605 (2009) A.M.Moro, J.M.Arias, J.Gomez-Camacho, F.Perez-Bernal Analytical transformed harmonic oscillator basis for continuum discretized coupled channels calculations NUCLEAR REACTIONS 58Ni(d, d), (d, X), E=80 MeV; 40Ca(6Li, 6Li), (6Li, X), E=156 MeV; 208Pb(6He, 6He), (6He, X), E=22 MeV, 240 MeV/nucleon; calculated elastic σ(θ), and breakup S-matrix elements using continuum-discretized coupled-channels (CDCC) method.
doi: 10.1103/PhysRevC.80.054605
2009RO26 Phys.Rev. C 80, 051601 (2009) M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho, A.M.Moro, I.J.Thompson, J.A.Tostevin Four-body continuum-discretized coupled-channels calculations NUCLEAR REACTIONS 208Pb(6He, X), E=22 MeV; calculated σ(θ), angular distributions , B(E1) and B(E2) distributions using continuum-discretized coupled channels calculations. calculated . Comparison with experimental data.
doi: 10.1103/PhysRevC.80.051601
2008AL23 Phys.Rev. C 78, 017301 (2008) C.E.Alonso, J.M.Arias, L.Fortunato, N.Pietralla, A.Vitturi Population of mixed-symmetry states via α transfer reactions
doi: 10.1103/PhysRevC.78.017301
2008GA14 Phys.Rev. C 77, 054307 (2008) Relation between E(5) models and the interacting boson model
doi: 10.1103/PhysRevC.77.054307
2008RO16 Phys.Rev. C 77, 064609 (2008) M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho, R.C.Johnson, A.M.Moro, I.J.Thompson, J.A.Tostevin Four-body continuum-discretized coupled-channels calculations using a transformed harmonic oscillator basis NUCLEAR REACTIONS 12C(6He, 6He), E=229.8 MeV; 64Zn(6He, 6He), E=10.0, 13.6 MeV; 208Pb(6He, 6He), E=22 MeV; calculated energy spectra, σ(θ). Comparison with experimental data.
doi: 10.1103/PhysRevC.77.064609
2007AL06 Phys.Rev.Lett. 98, 052501 (2007) C.E.Alonso, J.M.Arias, A.Vitturi Critical-Point Symmetries in Boson-Fermion Systems: The Case of Shape Transitions in Odd Nuclei in a Multiorbit Model
doi: 10.1103/PhysRevLett.98.052501
2007AL34 Phys.Rev. C 75, 064316 (2007) C.E.Alonso, J.M.Arias, A.Vitturi Shape phase transition in odd nuclei in a multi-j model: The UB(6) (X) UF(12) case
doi: 10.1103/PhysRevC.75.064316
2007AR03 Phys.Rev. C 75, 014301 (2007) J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos, J.Vidal Two-level interacting boson models beyond the mean field
doi: 10.1103/PhysRevC.75.014301
2007CR07 Eur.Phys.J. Special Topics 150, 13 (2007) R.Crespo, A.M.Moro, I.J.Thompson, M.Rodriguez-Gallardo, J.Gomez-Camacho, J.M.Arias Exploring the 6He continuum sea through proton inelastic collisions NUCLEAR REACTIONS 6He(p, p'), E=717 MeV; calculated σ(θ) using the MST framework.
doi: 10.1140/epjst/e2007-00253-1
2007FO08 Phys.Rev. C 76, 014316 (2007) R.Fossion, C.E.Alonso, J.M.Arias, L.Fortunato, A.Vitturi Shape-phase transitions and two-particle transfer intensities
doi: 10.1103/PhysRevC.76.014316
2007MO19 Phys.Rev. C 75, 064607 (2007) A.M.Moro, K.Rusek, J.M.Arias, J.Gomez-Camacho, M.Rodriguez-Gallardo Improved di-neutron cluster model for 6He scattering NUCLEAR REACTIONS 64Zn, 197Au, 208Pb, 209Bi(6He, 6He), E=10-40 MeV; calculated cross sections and angular distributions using a two-body di-neutron cluster model to describe the structure of 6He.
doi: 10.1103/PhysRevC.75.064607
2007RO29 Eur.Phys.J. Special Topics 150, 51 (2007) M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho, R.C.Johnson, A.M.Moro, I.J.Thompson, J.A.Tostevin Continuum effects: Structure and reactions of 6He NUCLEAR STRUCTURE 6He; calculated B(E1), B(E2) distributions using the Transformed Harmonic Oscillator method. NUCLEAR REACTIONS 12C(6He, 6He), E=229.8 MeV; calculated elastic scattering σ(θ).
doi: 10.1140/epjst/e2007-00264-x
2006AL18 Phys.Rev. C 74, 027301 (2006) C.E.Alonso, J.M.Arias, A.Vitturi One-particle spectroscopic intensities as a signature of shape phase transition: The γ-unstable case
doi: 10.1103/PhysRevC.74.027301
2006MO12 Phys.Rev. C 73, 044612 (2006) A.M.Moro, F.Perez-Bernal, J.M.Arias, J.Gomez-Camacho Coulomb breakup in a transformed harmonic oscillator basis NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.8 MeV; calculated breakup σ(E, θ). Continuum discretized coupled-channels model, transformed harmonic oscillator basis.
doi: 10.1103/PhysRevC.73.044612
2006VI02 Phys.Rev. C 73, 054305 (2006) J.Vidal, J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos Scalar two-level boson model to study the interacting boson model phase diagram in the Casten triangle
doi: 10.1103/PhysRevC.73.054305
2005AL46 Phys.Rev. C 72, 061302 (2005) C.E.Alonso, J.M.Arias, L.Fortunato, A.Vitturi Phase transitions in the interacting boson fermion model: The γ-unstable case
doi: 10.1103/PhysRevC.72.061302
2005BA03 Phys.Rev. C 71, 014314 (2005) J.Barea, C.E.Alonso, J.M.Arias, J.Jolie One nucleon transfer operator and nuclear supersymmetry NUCLEAR STRUCTURE 195Pt; calculated one-nucleon transfer strengths. Interacting boson-fermion model, importance of consistent coupling order for angular momenta discussed.
doi: 10.1103/PhysRevC.71.014314
2005DU17 Phys.Rev. C 72, 011301 (2005) S.Dusuel, J.Vidal, J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos Finite-size scaling exponents in the interacting boson model
doi: 10.1103/PhysRevC.72.011301
2005DU27 Phys.Rev. C 72, 064332 (2005) S.Dusuel, J.Vidal, J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos Continuous unitary transformations in two-level boson systems
doi: 10.1103/PhysRevC.72.064332
2005GA43 Phys.Rev. C 72, 037301 (2005) J.E.Garcia-Ramos, J.Dukelsky, J.M.Arias β4 potential at the U(5)-O(6) critical point of the interacting boson model
doi: 10.1103/PhysRevC.72.037301
2005RO27 Phys.Rev. C 72, 024007 (2005) M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho, A.M.Moro, I.J.Thompson, J.A.Tostevin Three-body continuum discretization in a basis of transformed harmonic oscillator states NUCLEAR STRUCTURE 6He; calculated B(E1), B(E2) distributions, sum rules. Transformed harmonic oscillator method, three-body continuum.
doi: 10.1103/PhysRevC.72.024007
2004AR27 Phys.Rev.Lett. 93, 212501 (2004) J.M.Arias, J.E.Garcia-Ramos, J.Dukelsky Phase Diagram of the Proton-Neutron Interaction Boson Model
doi: 10.1103/PhysRevLett.93.212501
2004GO40 Few-Body Systems 34, 45 (2004) J.Gomez-Camacho, J.M.Arias, A.Moro, F.Perez-Bernal Discretizing the Continuum NUCLEAR REACTIONS 208Pb(d, X), E=50 MeV; calculated σ(E), breakup channels contributions. Orthogonal polynomial method for discretization of continuum. Application to diatomic molecules also discussed.
doi: 10.1007/s00601-004-0025-7
2004LE05 Phys.Rev. C 69, 014304 (2004) The sextic oscillator as a γ-independent potential NUCLEAR STRUCTURE 134Ba; calculated relative level energies, B(E2). Sextic oscillator, comparison with data.
doi: 10.1103/PhysRevC.69.014304
2004RO15 Phys.Rev. C 69, 034308 (2004) M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho Describing resonances in a discrete basis
doi: 10.1103/PhysRevC.69.034308
2003AR23 Phys.Rev.Lett. 91, 162502 (2003) J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos Quantum Phase Transitions in the Interacting Boson Model: Integrability, Level Repulsion, and Level Crossing
doi: 10.1103/PhysRevLett.91.162502
2003AR24 Phys.Rev. C 68, 041302 (2003) J.M.Arias, C.E.Alonso, A.Vitturi, J.E.Garcia-Ramos, J.Dukelsky, A.Frank U(5)-O(6) transition in the interacting boson model and the E(5) critical point symmetry
doi: 10.1103/PhysRevC.68.041302
2003GA22 Phys.Rev. C 68, 024307 (2003) J.E.Garcia-Ramos, J.M.Arias, J.Barea, A.Frank Phase transitions and critical points in the rare-earth region NUCLEAR STRUCTURE 144,146,148,150,152,154Nd, 146,148,150,152,154,156,158,160Sm, 148,150,152,154,156,158,160,162Gd, 150,152,154,156,158,160,162,164,166Dy; calculated levels, J, π, B(E2), two-neutron separation energies; deduced phase transitions, related features. Interacting boson model.
doi: 10.1103/PhysRevC.68.024307
2002BA27 Phys.Rev. C65, 034328 (2002) J.Barea, C.E.Alonso, J.M.Arias Boson-Conserving One-Nucleon Transfer Operator in the Interacting Boson Model
doi: 10.1103/PhysRevC.65.034328
2002FR02 Phys.Rev. C65, 014301 (2002) A.Frank, C.E.Alonso, J.M.Arias Search for E(5) Symmetry in Nuclei: The Ru isotopes NUCLEAR STRUCTURE 96,98,100,102,104,106,108,110Ru; calculated levels, J, π; deduced phase transition, deformation features. Interacting boson model.
doi: 10.1103/PhysRevC.65.014301
2002MO02 Phys.Rev. C65, 011602 (2002) A.M.Moro, J.M.Arias, J.Gomez-Camacho, I.Martel, F.Perez-Bernal, R.Crespo, F.Nunes Coupling to Breakup Channels using a Transformed Harmonic Oscillator Basis NUCLEAR REACTIONS 208Pb(d, d), (d, np), E=50 MeV; calculated elastic and breakup σ(θ). Transformed harmonic oscillator basis.
doi: 10.1103/PhysRevC.65.011602
2001AL03 Nucl.Phys. A679, 359 (2001) C.E.Alonso, M.V.Andres, J.M.Arias, E.G.Lanza, A.Vitturi Coupling of Dipole Mode to γ-Unstable Quadrupole Oscillations
doi: 10.1016/S0375-9474(00)00360-2
2001AR03 Phys.Rev. C63, 034308 (2001) E2 Transitions and Quadrupole Moments in the E(5) Symmetry NUCLEAR STRUCTURE 134Ba; calculated levels, J, π, B(E2). Intrinsic state formalism, E(5) symmetry, comparison with data.
doi: 10.1103/PhysRevC.63.034308
2000GA09 Phys.Rev. C61, 034305 (2000) J.E.Garcia-Ramos, J.M.Arias, J.Dukelsky, P.Van Isacker Intrinsic State for an Extended Version of the Interacting Boson Model
doi: 10.1103/PhysRevC.61.034305
2000GA13 Phys.Rev. C61, 047305 (2000) J.E.Garcia-Ramos, C.E.Alonso, J.M.Arias, P.Van Isacker Anharmonic Double-γ Vibrations in Nuclei and Their Description in the Interacting Boson Model NUCLEAR STRUCTURE 166Er; calculated levels, J, π, B(E2), one-, two-phonon vibrational bands features. Interacting boson model.
doi: 10.1103/PhysRevC.61.047305
2000GA53 Phys.Rev. C62, 064309 (2000) J.E.Garcia-Ramos, J.M.Arias, P.Van Isacker Anharmonic Double-Phonon Excitations in the Interacting Boson Model NUCLEAR STRUCTURE 164Dy, 166,168Er; calculated levels, J, π, B(E2), vibrational bands features; deduced mechanism for anharmonicity. Interacting boson model.
doi: 10.1103/PhysRevC.62.064309
2000GI12 Eur.Phys.J. A 8, 41 (2000) A.Gizon, B.Weiss, P.Paris, C.F.Liang, J.Genevey, J.Gizon, V.Barci, Gh.Cata-Danil, J.S.Dionisio, J.M.Lagrange, M.Pautrat, J.Vanhorenbeeck, Ch.Vieu, L.Zolnai, J.M.Arias, J.Barea, Ch.Droste Level Structure of 123Cs Observed from 123Ba Decay and Described using the IBFM and CQPC Models RADIOACTIVITY 123Ba(EC) [from La(3He, X)]; measured Eγ, Iγ, E(ce), I(ce), γγ-, (X-ray)γ-, (ce)γ-coin. 123Cs deduced levels, J, π, configurations. Level systematics in Cs isotopes discussed. Mass-separated source. NUCLEAR REACTIONS In(12C, X)123Cs, E=57 MeV; measured Eγ, Iγ(t). 123Cs deduced isomers T1/2. NUCLEAR STRUCTURE 123Cs; calculated levels, J, π. Interacting boson-fermion model, core-quasiparticle coupling model.
doi: 10.1007/s100530050007
1998GA03 Phys.Rev. C57, R479 (1998) J.E.Garcia-Ramos, J.M.Arias, J.Dukelsky, E.Moya de Guerra, P.Van Isacker Hartree-Bose Mean-Field Approximation for the Interacting Boson Model (IBM-3)
doi: 10.1103/PhysRevC.57.R479
1998GA22 Nucl.Phys. A637, 529 (1998) J.E.Garcia-Ramos, C.E.Alonso, J.M.Arias, P.Van Isacker, A.Vitturi Intrinsic Structure of Two-Phonon States in the Interacting Boson Model
doi: 10.1016/S0375-9474(98)00243-7
1996AL17 Nucl.Phys. A604, 53 (1996) C.E.Alonso, J.M.Arias, H.M.Sofia, A.Vitturi Cranking Approach to the Interacting Boson Model: The behaviour of the intrinsic state with angular momentum NUCLEAR STRUCTURE 156Gd; calculated levels, moment of inertia. Self-consistent cranking formalism, interacting boson model basis.
doi: 10.1016/0375-9474(96)00121-2
1995AL06 Nucl.Phys. A586, 100 (1995) C.E.Alonso, J.M.Arias, A.Frank, H.M.Sofia, S.M.Lenzi, A.Vitturi Description of Octupole-Deformed Nuclei within the Interacting Boson and Interacting Boson-Fermion Models NUCLEAR STRUCTURE 226Ra; calculated levels; deduced in-band, intra-band transitions related features. Interacting boson-fermion model.
doi: 10.1016/0375-9474(94)00794-N
1994PI04 Phys.Rev. C50, 423 (1994) S.Pittel, J.M.Arias, J.Dukelsky, A.Frank Consistent Baryon Mapping of Quark Systems
doi: 10.1103/PhysRevC.50.423
1993BA24 Phys.Rev.Lett. 71, 975 (1993) I.Bauske, J.M.Arias, P.von Brentano, A.Frank, H.Friedrichs, R.D.Heil, R.-D.Herzberg, F.Hoyler, P.Van Isacker, U.Kneissl, J.Margarf, H.H.Pitz, C.Wesselborg, A.Zilges First Observation of Scissors Mode States in an Odd-Mass Nucleus NUCLEAR REACTIONS 163Dy(γ, γ'), E=1.942-3.107 MeV bremsstrahlung; measured integrated scattering σ, γ-spectra. 163Dy levels deduced B(λ), gΓ0, Γ1/Γ0. Interacting boson-fermion model.
doi: 10.1103/PhysRevLett.71.975
1991AR07 Nucl.Phys. A528, 144 (1991) J.M.Arias, M.Gallardo, J.Gomez-Camacho Spurious Effects of the Pairing Forces on the Dipole Sum Rule NUCLEAR STRUCTURE 120Sn; calculated dipole strength distribution, sum rule features; deduced pairing force spurious effects role.
doi: 10.1016/0375-9474(91)90421-2
1991FR07 Nucl.Phys. A531, 125 (1991) A.Frank, J.M.Arias, P.Van Isacker Search for Scissors States in Odd-Mass Nuclei NUCLEAR STRUCTURE 166Er; calculated levels. 165Ho; calculated levels, μ, quadrupole moment, δ(E2/M1), B(λ). Interacting boson-fermion model.
doi: 10.1016/0375-9474(91)90573-O
1988AL19 J.Phys.(London) G14, 877 (1988) C.E.Alonso, J.M.Arias, M.Lozano Europium Isotopes Studied with the IBFA-2 Model NUCLEAR STRUCTURE 147,149,151,153,155Eu; calculated levels, μ, quadrupole moment, B(E2), isotope shifts. Interacting boson model.
doi: 10.1088/0305-4616/14/7/008
1987AL21 J.Phys.(London) G13, 1269 (1987) C.E.Alonso, J.M.Arias, M.Lozano Nuclear Structure Studies of the Odd-Mass Ba and La Isotopes with the IBFA-2 Model NUCLEAR STRUCTURE 121,123,125,127,129,131,133,134Ba, 127,129,131,133,135,137,139La; calculated levels, B(λ), μ, isotope shifts, charge radii. Interacting boson-fermion model.
doi: 10.1088/0305-4616/13/10/015
1987AR14 Nucl.Phys. A466, 295 (1987) J.M.Arias, C.E.Alonso, M.Lozano Odd-Even Nuclei in the A = 100 Nuclear Region NUCLEAR STRUCTURE 101,103,105,107Pd, 99,101,103,105Ru, 99,101,103,105Rh, 97,99,101,103Tc; calculated levels, B(λ), μ, δ, single particle transfer spectroscopic strengths.
doi: 10.1016/0375-9474(87)90443-X
1986AL16 Phys.Lett. 177B, 130 (1986) C.E.Alonso, J.M.Arias, M.Lozano Backbending of Dy Isotopes Described with the Neutron-Protron IBA Plus Two-Quasiparticle Model NUCLEAR STRUCTURE 154,156,158Dy; calculated levels, B(λ). Neutron-protron interacting boson model.
doi: 10.1016/0370-2693(86)91041-5
1986AR03 Phys.Rev. C33, 1482 (1986) J.M.Arias, C.E.Alonso, M.Lozano Test of the Proton-Neutron Interacting Boson-Fermion Model in the Region around A = 190 NUCLEAR STRUCTURE 189,187Ir; calculated levels, band systematics, intruder band, β(λ). 185,195Ir; calculated levels, band systematics. 191,193Ir; calculated levels, band systematics, quadrupole moments, μ, B(M1). 185,187,189,191,193,195Pt, 185,187,189,191,193,195,197Au; calculated levels, band systematics. Interacting boson model.
doi: 10.1103/PhysRevC.33.1482
1985AL25 Phys.Lett. 164B, 241 (1985) C.E.Alonso, J.M.Arias, F.Iachello Nuclear Structure Information Obtained from Charge Radii NUCLEAR STRUCTURE 126,128,129,130,131,132,133,134Xe, 121,123,125,127,129,131,133,135Cs; analyzed rms charge radii data. Interacting boson model.
doi: 10.1016/0370-2693(85)90317-X
1985AR18 Nucl.Phys. A445, 333 (1985) J.M.Arias, C.E.Alonso, R.Bijker Description of the Odd-Even Xenon and Cesium Isotopes in the Proton-Neutron Interacting Boson-Fermion Model NUCLEAR STRUCTURE 109,111,113,115,117,119,121,123,125,127,129,131,133Xe, 110,112,114,116,118,120,122,124,126,128,130,132,134Cs; calculated levels, B(λ). Interacting boson model.
doi: 10.1016/0375-9474(85)90073-9
1984AL19 Phys.Lett. 144B, 141 (1984) C.E.Alonso, J.M.Arias, R.Bijker, F.Iachello A Calculation of Low-Lying Collective States in Odd-Even Nuclei NUCLEAR STRUCTURE 109,111,113,115,117,119,121,123,125,127,129Xe; 111,113,115,117,119,121,123,125,127,129,131,133Cs; calculated negative parity states.
doi: 10.1016/0370-2693(84)91790-8
1983HA38 Phys.Lett. 133B, 9 (1983) H.Hanewinkel, W.Gast, U.Kaup, H.Harter, A.Dewald, A.Gelberg, R.Reinhardt, P.von Brentano, A.Zemel, C.E.Alonso, J.M.Arias Prealignment B(E2)-Anomaly in 124Xe NUCLEAR REACTIONS 122Te(α, 2n), E=24, 25 MeV; 108Pd(19F, 2np), E=60-75 MeV; 114Cd(13C, 3n), E=46-58 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), σ(Eγ), I(ce), recoil distance Doppler shift. 124Xe deduced levels, T1/2, γ-branching, B(E2), ratios, prealignment anomaly, band structure. Interacting boson model.
doi: 10.1016/0370-2693(83)90093-X
Back to query form |