NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.I.Georgieva Found 15 matches. 2020GE05 Bull.Rus.Acad.Sci.Phys. 84, 1027 (2020) A.I.Georgieva, K.P.Drumev, V.P.Garistov Dynamical Symmetries in Shell and Collective Models of Nuclear Structure NUCLEAR STRUCTURE 152Sm; calculated energy levels, J, π, excitation energies of the ground state band. Comparison with available data.
doi: 10.3103/S1062873820080134
2012DR14 J.Phys.:Conf.Ser. 366, 012015 (2012) K.P.Drumev, A.I.Georgieva, J.P.Draayer Extended (pseudo-)SU(3) models for nuclear structure NUCLEAR STRUCTURE 20Ne, 60Zn; calculated gs energy, mass excess, pairing, deformation using extended (pseudo-)SU(3) model.
doi: 10.1088/1742-6596/366/1/012015
2010GA35 J.Phys.:Conf.Ser. 205, 012031 (2010) V.P.Garistov, A.I.Georgieva, A.Solnyshkin, J.Adam, D.Bogachenko, O.Egorov, A.Islamov, V.Silaev On the 0+ excited states in even-even deformed nuclei NUCLEAR STRUCTURE 152Gd, 162Dy, 176Hf, 180W; calculated 0+ states energies, density distributions, deformation, inertia moment using classification of states according to their number of bosons. 236U; calculated yrast states as crossing of three rotational bands, B(E2) using rigid rotor and IVBM. RADIOACTIVITY 160Dy(EC); analyzed, calculated 0+ levels, γ transitions, Eγ, Iγ; deduced existence of 681 keV 0+ state.
doi: 10.1088/1742-6596/205/1/012031
2010GE06 Physics of Part.and Nuclei 41, 1105 (2010) A.I.Georgieva, M.I.Ivanov, S.L.Drenska, K.D.Sviratcheva, J.P.Draayer Dynamical symmetries in contemporary nuclear structure applications NUCLEAR STRUCTURE 40,42,44,46,48Ca, 42,44,46,48Sc, 44,46,48Ti, 46,48V, 48Cr; analyzed nuclear properties; deduced classification scheme. Group theory.
doi: 10.1134/S1063779610070270
2009GA11 Phys.Rev. C 79, 044322 (2009) H.G.Ganev, A.I.Georgieva, S.Brant, A.Ventura New description of the doublet bands in doubly odd nuclei NUCLEAR STRUCTURE 126Pr, 132La, 134Pr; analyzed ΔI=1 doublet chiral bands, level energies, B(E2), B(M1) using interacting boson vector model. 124,125,134,135Ce, 132Ba, 133La; calculated level energies using interacting boson vector model (IVBM). Comparison with experimental data.
doi: 10.1103/PhysRevC.79.044322
2007GA52 Phys.Rev. C 76, 054322 (2007) Transition probabilities in the U(6) limit of the symplectic interacting vector boson model NUCLEAR STRUCTURE 156Dy, 232Th, 236U; calculated ground-state bands, B(E2) values using U(6) limit, comparison with experiment.
doi: 10.1103/PhysRevC.76.054322
2005GA28 Phys.Rev. C 72, 014314 (2005) H.G.Ganev, A.I.Georgieva, J.P.Draayer Six-dimensional Davidson potential as a dynamical symmetry of the symplectic interacting vector boson model NUCLEAR STRUCTURE 150,152Sm, 168Yb, 232Th; calculated rotational band level energies. Six-dimensional Davidson potential, interacting vector boson model, comparison with data.
doi: 10.1103/PhysRevC.72.014314
2005SV02 Phys.Rev. C 72, 054302 (2005) K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer Isospin symmetry breaking in an algebraic pairing Sp(4) model NUCLEAR STRUCTURE 36Ar, 44,46,48Ti, 46,48V, 46,48Cr, 48Mn, 48Fe; calculated overlap of isobaric analog states due to pairing correlations. 44,46,48V, 46,48Cr, 46,48,50Mn, 48,50Fe, 48,50,52Co; calculated isospin mixing for non-analog β-decay transitions. Dynamical Sp(4) symmetry, isospin symmetry breaking, proton-neutron interaction, isovector and isoscalar pairing.
doi: 10.1103/PhysRevC.72.054302
2004GA03 Phys.Rev. C 69, 014305 (2004) H.Ganev, V.P.Garistov, A.I.Georgieva Description of the ground and octupole bands in the symplectic extension of the interacting vector boson model NUCLEAR STRUCTURE 224,226Ra, 222,224,226,228,232Th, 234,236,238U, 168Yb, 152Sm; analyzed ground-state and octupole rotational band energies; deduced parameters. Symplectic extension of interacting vector boson model.
doi: 10.1103/PhysRevC.69.014305
2004GA50 Phys.Rev. C 70, 054317 (2004) H.G.Ganev, V.P.Garistov, A.I.Georgieva, J.P.Draayer Energy systematics of low-lying collective states within the framework of the interacting vector boson model NUCLEAR STRUCTURE 144Nd, 148Sm, 168Er, 178Hf, 154Gd; calculated level energies; deduced collective states systematic features. Interacting vector boson model.
doi: 10.1103/PhysRevC.70.054317
2004SV01 Phys.Rev. C 69, 024313 (2004) K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer Staggering behavior of 0+ state energies in the Sp(4) pairing model NUCLEAR STRUCTURE A=40-100; calculated 0+ level energies, pairing interaction effects, two-proton separation energies, staggering behavior. Dynamical Sp(4) symmetry, proton-neutron interaction, isovector and isoscalar pairing.
doi: 10.1103/PhysRevC.69.024313
2004SV03 Phys.Rev.Lett. 93, 152501 (2004) K.D.Sviratcheva, C.Bahri, A.I.Georgieva, J.P.Draayer Physical Significance of q Deformation and Many-Body Interactions in Nuclei NUCLEAR STRUCTURE A=40-100; analyzed pairing correlations, quantum deformation.
doi: 10.1103/PhysRevLett.93.152501
2004SV04 Phys.Rev. C 70, 064302 (2004) K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer Dynamical symmetry of isobaric analog 0+ states in medium mass nuclei NUCLEAR STRUCTURE 42,44,46Ca, 42,50Ti, 44,52Cr, 46,54Fe; calculated level energies. 36Ar, 44,46,48Ti, 46,48V, 46,48,50Cr, 48,50,52Fe, 48,50Mn; A=32-100; calculated isobaric analog states energies, pairing interaction, symmetry and Wigner energy. Dynamical Sp(4) symmetry, comparison with data.
doi: 10.1103/PhysRevC.70.064302
2003SV01 J.Phys.(London) G29, 1281 (2003) K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer An algebraic pairing model with Sp(4) symmetry and its deformation NUCLEAR STRUCTURE 40Ca, 42Sc, 44Ti, 46V, 48Cr, 50Mn, 52Fe, 54Co, 56Ni; calculated 0+ level energies, pairing correlations, deformation effects. Symplectic dynamical symmetry.
doi: 10.1088/0954-3899/29/6/325
1995GE09 Phys.Rev. C52, 2131 (1995) A.I.Georgieva, R.P.Roussev, P.P.Raychev, M.V.Stoitsov, S.Pittel, J.Dukelsky Baryon Mappings Applied to the Three-Color Delta Model
doi: 10.1103/PhysRevC.52.2131
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