NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.Leviatan Found 46 matches. 2023GA24 Phys.Rev. C 108, L031305 (2023) N.Gavrielov, J.E.Garcia-Ramos, P.Van Isacker, A.Leviatan Persistent vibrational structure in 110-116Cd
doi: 10.1103/PhysRevC.108.L031305
2022GA03 Phys.Rev. C 105, 014305 (2022) N.Gavrielov, A.Leviatan, F.Iachello Zr isotopes as a region of intertwined quantum phase transitions NUCLEAR STRUCTURE 92,94,96,98,100,102,104,106,108,110Zr; calculated positive-parity levels up to 12+, bands, B(E2), symmetries for the lowest 0+ and 2+ states, potential energy surface contour plots in the (β, γ) plane, S(2n), isotope shifts, ρ(E0), magnetic moments of the first 2+ states; deduced intertwined quantum phase transitions (IQPTs) for weakly deformed to prolate deformed and finally to γ-unstable nuclei, associated with the U(5), SU(3) and SO(6) dynamical symmetry limits of the IBM. Calculations based on definite symmetry-based framework, in the interacting boson model with configuration mixing (IBM-CM). Comparison with other theoretical calculations, and with experimental data.
doi: 10.1103/PhysRevC.105.014305
2022GA28 Phys.Rev. C 106, L051304 (2022) N.Gavrielov, A.Leviatan, F.Iachello Mixed configurations and intertwined quantum phase transitions in odd-mass nuclei NUCLEAR STRUCTURE 93,95,97,99,101,103,105Nb; calculated levels, J, π, B(E2), B(M1), percentage of the intruder component in the ground and first excited positive parity states, quadrupole moments, magnetic moments. 92Zr; calculated levels, J, π, B(E2), B(M1). Interacting boson-fermion model with configuration mixing. Comparison to experimental data.
doi: 10.1103/PhysRevC.106.L051304
2021NO10 Phys.Rev. C 104, 044317 (2021) K.Nomura, N.Gavrielov, A.Leviatan Partial dynamical symmetry from energy density functionals NUCLEAR STRUCTURE 168Er; calculated levels, J, π, ground, γ and β bands using SU(3)-PDS, Skyrme SLy4 and DD-ME2 energy density functionals (EDFs), self-consistent mean-field (SCMF) energy surfaces in (β-γ) plane nonrelativistic Skyrme SLy4 and SkP (EDFs), and relativistic DD-PC1 and DD-ME2 EDFs with different values of pairing strengths, SU(3) decomposition of states in the ground, γ, and β bands for the SU(3)-PDS, SLy4, SkP, DD-PC1 and DD-ME2 EDFs in the framework of universal energy density functionals and a general quantal boson Hamiltonian. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.044317
2020GA01 Phys.Scr. 95, 24001 (2020) N.Gavrielov, A.Leviatan, F.Iachello Interplay between shape-phase transitions and shape coexistence in the Zr isotopes NUCLEAR STRUCTURE 90,92,94,96,98,100,102,104,106,108,110Zr; calculated energy levels, J, π, B(E2).
doi: 10.1088/1402-4896/ab456b
2020KA63 Phys.Rev. C 102, 064314 (2020) V.Karayonchev, J.Jolie, A.Blazhev, A.Dewald, A.Esmaylzadeh, C.Fransen, G.Hafner, L.Knafla, J.Litzinger, C.Muller-Gatermann, J.-M.Regis, K.Schomacker, A.Vogt, N.Warr, A.Leviatan, N.Gavrielov Tests of collectivity in 98Zr by absolute transition rates NUCLEAR REACTIONS 96Zr(18O, 16O)98Zr, E=50 MeV; measured recoiling light fragments using an array of six solar cells, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift recoil-distance (RDDS) method and analysis by differential decay curve method (DDCM) using an array of 11 HPGe detectors and Cologne Plunger device at the Cologne 10 MV FN Tandem accelerator. 98Zr; deduced levels, J, π, B(E2). Comparison with Monte Carlo shell model (MCSM), and interacting boson model with configuration mixing (IBM-CM) calculations, and with previous experimental data. Systematics of energies and B(E2) values of the first 2+ states in 90,92,94,96,98,100Sr, 92,94,96,98,100,102,104,106Zr.
doi: 10.1103/PhysRevC.102.064314
2020LE15 Eur.Phys.J. Special Topics 229, 2405 (2020) SU(3) partial dynamical symmetry and nuclear shapes NUCLEAR STRUCTURE 168Er, 156Gd; calculated energy levels, J, π, B(E2). Comparison with available data.
doi: 10.1140/epjst/e2020-000204-8
2019GA21 Phys.Rev. C 99, 064324 (2019) N.Gavrielov, A.Leviatan, F.Iachello Intertwined quantum phase transitions in the Zr isotopes NUCLEAR STRUCTURE 90,92,94,96,98,100,102,104,106,108,110Zr; calculated levels, J, π, B(E2), differences in rms charge radii, S(2n), and contour plots in (β, γ) plane of the lowest eigenpotential surface. Interacting boson model with configuration mixing. Comparison with experimental values. Discussed intertwined quantum phase transitions.
doi: 10.1103/PhysRevC.99.064324
2019LE23 Acta Phys.Pol. B50, 561 (2019) Partial Dynamical Symmetry and the Phonon Structure of Cadmium Isotopes NUCLEAR STRUCTURE 110Cd; calculated levels, J, π, B(E2) using U(5) partial dynamical symmetries U(5)-DS and U(5)-PDS-CM in the interactive boson models. Comparison with experimental values.
doi: 10.5506/aphyspolb.50.561
2019MA41 Phys.Rev. C 99, 064323 (2019) M.Macek, P.Stransky, A.Leviatan, P.Cejnar Excited-state quantum phase transitions in systems with two degrees of freedom. III. Interacting boson systems
doi: 10.1103/PhysRevC.99.064323
2018LE12 Phys.Rev. C 98, 031302 (2018) A.Leviatan, N.Gavrielov, J.E.Garcia-Ramos, P.Van Isacker Quadrupole phonons in the cadmium isotopes NUCLEAR STRUCTURE 110Cd; calculated levels, J, π, B(E2) using U(5) partial dynamical symmetries U(5)-DS and U(5)-PDS-CM in the collective and interactive boson models. Comparison with experimental values.
doi: 10.1103/PhysRevC.98.031302
2017LE12 Phys.Scr. 92, 114005 (2017) Partial dynamical symmetries and shape coexistence in nuclei NUCLEAR STRUCTURE 96Zr, 78Ni, 186Pb; calculated parameters; deduced spherical-prolate and spherical-prolate-oblate shape coexistence.
doi: 10.1088/1402-4896/aa8697
2016LE09 Phys.Rev. C 93, 051302 (2016) Algebraic benchmark for prolate-oblate coexistence in nuclei
doi: 10.1103/PhysRevC.93.051302
2015VA11 Phys.Rev. C 92, 011301 (2015) P.Van Isacker, J.Jolie, T.Thomas, A.Leviatan Partial dynamical symmetry in Bose-Fermi systems NUCLEAR STRUCTURE 195Pt; calculated levels, J, π, B(E2) by generalization of partial dynamical symmetry (PDS) concept to a system of interacting bosons and fermions. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.011301
2014KR06 Phys.Rev. C 89, 041302 (2014); Erratum Phys.Rev. C 92, 039902 (2015) C.Kremer, J.Beller, A.Leviatan, N.Pietralla, G.Rainovski, R.Trippel, P.Van Isacker Linking partial and quasi dynamical symmetries in rotational nuclei NUCLEAR STRUCTURE 156,158,160,162Gd, 160,162,164Dy, 164,166Er; calculated ground-state fluctuations for the extended consistent-Q formalism (ECQF) Hamiltonian in even-even rare earth nuclei; deduced empirical formalism for linkage between O(6) partial dynamical symmetry (PDS) and SU(3) quasi-dynamical symmetry (QDS) in rotational nuclei; identified nuclei satisfying both symmetries. 160Gd; calculated levels, J, π, bands with the IBM approach using the ECQF Hamiltonian, and compared with experimental spectrum. Quantum number fluctuations and the intrinsic state formalism are used within the framework of interacting boson model.
doi: 10.1103/PhysRevC.89.041302
2013LE04 Phys.Rev. C 87, 021302 (2013) A.Leviatan, J.E.Garcia-Ramos, P.Van Isacker Partial dynamical symmetry as a selection criterion for many-body interactions NUCLEAR STRUCTURE 156Gd; calculated levels, J, π, bands, B(E2), odd-even staggering. IBM Hamiltonians with SU(3) partial dynamical symmetry (PDS). Triaxial features. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.021302
2011MA50 Phys.Rev. C 84, 041302 (2011) Regularity and chaos at critical points of first-order quantum phase transitions
doi: 10.1103/PhysRevC.84.041302
2009LE21 Phys.Rev.Lett. 103, 042502 (2009) Symmetries and Supersymmetries of the Dirac Hamiltonian with Axially Deformed Scalar and Vector Potentials
doi: 10.1103/PhysRevLett.103.042502
2007LE30 Nucl.Phys. A788, 100c (2007) Quantum Shape-Phase Transitions in Finite Nuclei
doi: 10.1016/j.nuclphysa.2007.01.054
2006LE37 Phys.Rev. C 74, 051301 (2006); Erratum Phys.Rev. C 74, 059905 (2006) First-order quantum phase transition in a finite system
doi: 10.1103/PhysRevC.74.051301
2005LE11 Int.J.Mod.Phys. E14, 111 (2005) Pseudospin, spin, and Coulomb Dirac-symmetries: Doublet structure and supersymmetric patterns
doi: 10.1142/S0218301305002837
2005LE33 Phys.Rev. C 72, 031305 (2005) X(5) critical-point structure in a finite system
doi: 10.1103/PhysRevC.72.031305
2004GI01 Phys.Rev. C 69, 034303 (2004) J.N.Ginocchio, A.Leviatan, J.Meng, S.-G.Zhou Test of pseudospin symmetry in deformed nuclei NUCLEAR STRUCTURE 168Er; calculated single-particle energies, wave functions, role of pseudospin symmetry.
doi: 10.1103/PhysRevC.69.034303
2004LE15 Phys.Rev.Lett. 92, 202501 (2004), Erratum Phys.Rev.Lett. 92, 219902 (2004) Supersymmetric Patterns in the Pseudospin, Spin, and Coulomb Limits of the Dirac Equation with Scalar and Vector Potentials
doi: 10.1103/PhysRevLett.92.202501
2003LE10 Phys.Rev.Lett. 90, 212501 (2003) Critical-Point Symmetry in a Finite System
doi: 10.1103/PhysRevLett.90.212501
2002ES06 Phys.Rev. C65, 054309 (2002) Partial Dynamical Symmetry in the Symplectic Shell Model NUCLEAR STRUCTURE 12C, 20Ne, 24Mg; calculated levels, configurations, transitions B(E2). Partial dynamical symmetry.
doi: 10.1103/PhysRevC.65.054309
2002LE33 Phys.Rev.Lett. 89, 222501 (2002) Generalized Partial Dynamical Symmetry in Nuclei NUCLEAR STRUCTURE 152Dy; calculated levels, wave functions, transitions B(E2). Generalized partial dynamical symmetry, comparison with data.
doi: 10.1103/PhysRevLett.89.222501
2002SM01 Phys.Rev. C65, 024319 (2002) N.A.Smirnova, N.Pietralla, A.Leviatan, J.N.Ginocchio, C.Fransen Extended M1 Sum Rule for Excited Symmetric and Mixed-Symmetry States in Nuclei NUCLEAR STRUCTURE 94Mo; analyzed mixed-symmetry states B(M1) transition rates; deduced quadrupole d-boson ratio. Interacting boson model, generalized sum rule.
doi: 10.1103/PhysRevC.65.024319
2001GI08 Phys.Rev.Lett. 87, 072502 (2001) Test of Nuclear Wave Functions for Pseudospin Symmetry
doi: 10.1103/PhysRevLett.87.072502
2001LE35 Phys.Lett. 518B, 214 (2001) Consequences of a Relativistic Pseudospin Symmetry for Radial Nodes and Intruder Levels in Nuclei
doi: 10.1016/S0370-2693(01)01039-5
2000ES01 Phys.Rev.Lett. 84, 1866 (2000) Partial Dynamical Symmetry in a Fermion System NUCLEAR STRUCTURE 20Ne; calculated levels, B(E2); deduced role of partial dynamical symmetries.
doi: 10.1103/PhysRevLett.84.1866
2000LE04 Phys.Rev. C61, 024305 (2000) F Spin as a Partial Symmetry NUCLEAR STRUCTURE 148,150Nd, 148,150,154Sm, 154,160Gd, 160,162,164Dy, 166,168,170Er, 172,174Yb; analyzed levels, B(M1); deduced F-spin symmetry. Scissors modes, IBM-2 Hamiltonians.
doi: 10.1103/PhysRevC.61.024305
1999LE17 J.Phys.(London) G25, 791 (1999) Partial Dynamical SU(3) Symmetry in Deformed Nuclei NUCLEAR STRUCTURE 168Er; calculated transitions B(E2). Partial dynamical SU(3) symmetry. Comparison with data.
doi: 10.1088/0954-3899/25/4/038
1999LE54 Phys.Rev. C60, 061301 (1999) Partial Dynamical SU(3) Symmetry and the Nature of the Lowest K = 0 Collective Excitation in Deformed Nuclei NUCLEAR STRUCTURE 168Er; calculated transitions B(E2); deduced two-phonon vibration features. Partial dynamical SU(3) symmetry. Comparisons with data.
doi: 10.1103/PhysRevC.60.061301
1999TO03 Phys.Rev. C59, 1526 (1999) E.Tomasi-Gustafsson, M.P.Rekalo, R.Bijker, A.Leviatan, F.Iachello Sensitivity of Tensor Analyzing Power in the Process d + p → d + X to the Longitudinal Isoscalar Form Factor of the Roper Resonance Electroexcitation NUCLEAR REACTIONS 1H(polarized d, d'X), E at 3.7-9 GeV/c; calculated tensor analyzing power T20(q); deduced resonance contributions. Algebraic collective model.
doi: 10.1103/PhysRevC.59.1526
1998BI03 Nucl.Phys. A631, 727c (1998) Spectrum Generating Algebra of the Symmetric Top
doi: 10.1016/S0375-9474(98)00100-6
1998GI08 Phys.Lett. 425B, 1 (1998) On the Relativistic Foundations of Pseudospin Symmetry in Nuclei
doi: 10.1016/S0370-2693(98)00188-9
1997GI05 Phys.Rev.Lett. 79, 813 (1997) Magnetic Dipole Sum Rules for Odd-Mass Nuclei NUCLEAR STRUCTURE 161Dy, 167Er; calculated total B(M1) strength; deduced sum rules physical content, geometric interpretation.
doi: 10.1103/PhysRevLett.79.813
1996BI14 Phys.Rev. C54, 1935 (1996) R.Bijker, F.Iachello, A.Leviatan Electromagnetic Form Factors in a Collective Model of the Nucleon NUCLEAR STRUCTURE 1H, 1n; analyzed electromagnetic form factors, helicity amplitudes data. Collective baryons model, algebraic approach to hadron structure.
doi: 10.1103/PhysRevC.54.1935
1996LE17 Phys.Rev.Lett. 77, 818 (1996) Partial Dynamical Symmetry in Deformed Nuclei NUCLEAR STRUCTURE 168Er; calculated levels, B(λ). Interacting boson model, partial SU(3) symmetry.
doi: 10.1103/PhysRevLett.77.818
1994GI11 Phys.Rev.Lett. 73, 1903 (1994) Quadrupole Collectivity with Isospin
doi: 10.1103/PhysRevLett.73.1903
1990LE15 Phys.Lett. 243B, 313 (1990) General Quadrupole Nuclear Shapes. An Algebraic Perspective NUCLEAR STRUCTURE A=28; calculated energy surface vs deformation parameters. Algebraic interacting boson model.
doi: 10.1016/0370-2693(90)91389-S
1990LE21 Phys.Rev.Lett. 65, 2853 (1990) A.Leviatan, J.N.Ginocchio, M.W.Kirson Proton-Neutron Deformations and F-Spin Symmetry in Nuclei NUCLEAR STRUCTURE 165Ho; calculated ground state band F-spin mixing; deduced proton, neutron deformations role.
doi: 10.1103/PhysRevLett.65.2853
1989LE25 Phys.Rev.Lett. 63, 2204 (1989) Deformed Single-Particle Levels in the Boson-Fermion Model NUCLEAR STRUCTURE 169Tm; calculated deformed single particle levels, band head energies. Boson-fermion model.
doi: 10.1103/PhysRevLett.63.2204
1985KI14 Phys.Rev.Lett. 55, 2846 (1985); Erratum Phys.Rev.Lett. 56, 788 (1986) Resolution of Any Interacting-Model Hamiltonian into Intrinsic and Collective Parts NUCLEAR STRUCTURE 148Sm, 168Er; calculated levels. Interacting boson model.
doi: 10.1103/PhysRevLett.55.2846
1984LE18 Phys.Lett. 143B, 25 (1984) Non-Spherical Boson Basis for Near-O(6) Nuclei NUCLEAR STRUCTURE 196Pt; calculated levels. 194,196Pt; analyzed B(E2) data. Nonspherical boson basis, near O(6) symmetry.
doi: 10.1016/0370-2693(84)90797-4
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