NSR Query Results
Output year order : Descending NSR database version of May 8, 2024. Search: Author = S.B.Drenska Found 12 matches. 2007MI30 Phys.Atomic Nuclei 70, 1470 (2007) N.Minkov, S.B.Drenska, P.Yotov, D.Bonatsos, W.Scheid Collective states of odd nuclei in a model with quadrupole-octupole degrees of freedom NUCLEAR STRUCTURE 219,221,223,225Fr, 223,225Th; calculated level energies of positive and negative parity bands using the collective axial quadrupole-octupole Hamiltonian.
doi: 10.1134/S1063778807080248
2004MI41 Yad.Fiz. 67, 1787 (2004); Phys.Atomic Nuclei 67, 1760 (2004) N.Minkov, S.B.Drenska, P.Yotov, W.Scheid Complex Shape Effects in Nuclear Rotational Spectra NUCLEAR STRUCTURE 224,226Ra, 224,226Th; calculated alternating-parity rotational bands energies, collectivity modes. Quadrupole-octupole rotational model.
doi: 10.1134/1.1806920
2001MI10 Phys.Rev. C63, 044305 (2001) N.Minkov, S.B.Drenska, P.P.Raychev, R.P.Roussev, D.Bonatsos ' Beat ' Patterns for the Odd-Even Staggering in Octupole Bands from a Quadrupole-Octupole Hamiltonian
doi: 10.1103/PhysRevC.63.044305
2001MI26 Yad.Fiz. 64, No 6, 1173 (2001); Phys.Atomic Nuclei 64, 1098 (2001) N.Minkov, S.B.Drenska, P.P.Raychev, R.P.Roussev, D.Bonatsos Rotations of Nuclei with Reflection Asymmetry Correlations
doi: 10.1134/1.1383624
2000BO34 Phys.Rev. C62, 024301 (2000); Erratum Phys.Rev. C63, 049902 (2001) D.Bonatsos, C.Daskaloyannis, S.B.Drenska, N.Karoussos, N.Minkov, P.P.Raychev, R.P.Roussev ΔI = 1 Staggering in Octupole Bands of Light Actinides: ' Beat ' Patterns NUCLEAR STRUCTURE 218,220,222Rn, 218,220,222,224,226Ra, 220,222,224,226,228Th; analyzed octupole bands transition energies; deduced beat patterns, possible mechanisms. Predictions of algebraic models discussed.
doi: 10.1103/PhysRevC.62.024301
2000BO44 Trans.Bulg.Nucl.Soc. 5, 18 (2000) D.Bonatsos, N.Karoussos, C.Daskaloyannis, S.B.Drenska, N.Minkov, P.P.Raychev, R.P.Roussev, J.Maruani Symmetries in Nuclei, Molecules and Atomic Clusters
2000MI18 Phys.Rev. C61, 064301 (2000) N.Minkov, S.B.Drenska, P.P.Raychev, R.P.Roussev, D.Bonatsos Ground-γ Band Mixing and Odd-Even Staggering in Heavy Deformed Nuclei NUCLEAR STRUCTURE 156Gd, 156,160,162Dy, 162,164,166Er, 170Yb, 228,232Th; analyzed vibrational bands odd-even staggering effect, role of band mixing. Vector boson model with SU(3) dynamical symmetry.
doi: 10.1103/PhysRevC.61.064301
1999MI23 Phys.Rev. C60, 034305 (1999) N.Minkov, S.B.Drenska, P.P.Raychev, R.P.Roussev, D.Bonatsos Ground-γ Band Coupling in Heavy Deformed Nuclei and SU(3) Contraction Limit NUCLEAR STRUCTURE 152,154Sm, 154,156,158,160Gd, 158,160,162,164Dy, 162,164,166,168,170Er, 168,170,172,174,176Yb, 174,178Hf, 182,184,186W, 230,232Th, 234,238U; analyzed ground, vibrational bands levels, interband, intraband transitions B(E2); deduced band mixing features. Vector-boson model with SU(3) dynamical symmetry.
doi: 10.1103/PhysRevC.60.034305
1997MI10 Phys.Rev. C55, 2345 (1997) N.Minkov, S.B.Drenska, P.P.Raychev, R.P.Roussev, D.Bonatsos Broken SU(3) Symmetry in Deformed Even-Even Nuclei NUCLEAR STRUCTURE 164Dy, 164,166,168Er, 168,172Yb, 176,178Hf, 238U; calculated levels, transition ratios, energy rms factor. Collective vector-boson model.
doi: 10.1103/PhysRevC.55.2345
1996MI19 J.Phys.(London) G22, 1633 (1996) N.Minkov, S.B.Drenska, P.P.Raychev, R.P.Roussev, D.Bonatsos The SU(q)(2) Rotator Model in Excited Collective Bands of Even Deformed Nuclei NUCLEAR STRUCTURE 152,154Sm, 154,156,158,160Gd, 160,162,164Dy, 160,162,164,166,168,170Er, 166,168,170,172Yb, 172,174,176,178,180Hf, 178,180,182,184W, 232Th, 232,234U; analyzed (β)-, (γ)-bands levels, B(λ) data. Rotator SU(q)(2) model.
doi: 10.1088/0954-3899/22/11/010
1991BO11 J.Phys.(London) G17, L67 (1991) D.Bonatsos, S.B.Drenska, P.P.Raychev, R.P.Roussev, Yu.F.Smirnov Description of Superdeformed Bands by the Quantum Algebra SU(q)(2) NUCLEAR STRUCTURE 134,136Nd, 150Gd, 162,152Dy, 192,194Hg, 174Yb, 248Cm; analyzed level data; deduced superdeformed band features. Quantum SU(q)(2) algebra.
doi: 10.1088/0954-3899/17/5/003
1990BO47 Phys.Lett. 251B, 477 (1990) D.Bonatsos, E.N.Argyres, S.B.Drenska, P.P.Raichev, R.P.Roussev, Yu.F.Smirnov SU(q)(2) Description of Rotational Spectra and Its Relation to the Variable Moment of the Inertia Model NUCLEAR STRUCTURE 176Yb, 178Hf, 232U, 238Pu; calculated levels. SU(q)(2) description.
doi: 10.1016/0370-2693(90)90782-2
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