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NSR database version of May 3, 2024.

Search: Author = H.G.Ganev

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2024GA10      Chin.Phys.C 48, 014102 (2024)

H.G.Ganev

Microscopic shell-model description of irrotational-flow dynamics in ¹⁰²Pd

NUCLEAR STRUCTURE ¹⁰²Pd; calculated energy levels, J, π, bands, staggering function within the microscopic shell-model version of the Bohr-Mottelson (BM) collective model. Comparison with experimental data.

doi: 10.1088/1674-1137/ad021e
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2024GA11      Chin.Phys.C 48, 034108 (2024)

H.G.Ganev

Proton-neutron symplectic model description of ¹⁰⁶Cd

NUCLEAR STRUCTURE ¹⁰⁶Cd; calculated level energies, J, π, B(E2) using a microscopic shell-model description of the low-lying collective states in the weakly deformed nucleus. Comparison with available data.

doi: 10.1088/1674-1137/ad1d4b
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2023GA04      Eur.Phys.J. A 59, 9 (2023)

H.G.Ganev

Microscopic shell-model description of the irrotational-flow dynamics

NUCLEAR STRUCTURE ¹¹⁰Cd, ¹¹⁰Ru; calculated B(Eλ), shell-model nuclear states of the six-dimensional harmonic oscillator in the Hilbert space, energy levels, J, π, SU(3) decomposition of the wave functions for the low-lying states. The microscopic shell-model description of the irrotational-flow dynamics of Bohr-Mottelson type. Comparison with available data.

doi: 10.1140/epja/s10050-023-00924-w
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2023GA32      Chin.Phys.C 47, 104101 (2023)

H.G.Ganev

On the microscopic shell-model version of the Bohr-Mottelson collective model

doi: 10.1088/1674-1137/ace67f
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2022GA18      Chin.Phys.C 46, 044105 (2022)

H.G.Ganev

Proton-neutron symplectic model description of ²⁰Ne

NUCLEAR STRUCTURE ²⁰Ne; calculated energy levels, J, π, B(E2), deformation parameters. Comparison with available data.

doi: 10.1088/1674-1137/ac42be
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2022GA21      Int.J.Mod.Phys. E31, 2250047 (2022)

H.G.Ganev

Microscopic shell-model description of strongly deformed nuclei: ¹⁵⁸Gd

NUCLEAR STRUCTURE ¹⁵⁸Gd; calculated energy levels, J, π, B(E2). Comparison with experimental data. Microscopic version of the Bohr-Mottelson collective model.

doi: 10.1142/S0218301322500471
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2022GA26      Eur.Phys.J. A 58, 182 (2022)

H.G.Ganev

Microscopic shell-model description of transitional nuclei

NUCLEAR STRUCTURE ¹⁰⁴Ru, ¹⁹²Os; calculated energy levels, J, π for different bands, B(E2), quadrupole moments, SU(3) decomposition of the wave functions using the microscopic version of the Bohr-Mottelson collective model.

doi: 10.1140/epja/s10050-022-00834-3
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2021GA23      Eur.Phys.J. A 57, 181 (2021)

H.G.Ganev

Microscopic shell-model counterpart of the Bohr-Mottelson model

doi: 10.1140/epja/s10050-021-00504-w
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2019GA12      Phys.Rev. C 99, 054304 (2019)

H.G.Ganev

E1 transitions in the extended proton-neutron symplectic model

NUCLEAR STRUCTURE ¹⁵⁴Sm, ²³⁸U; calculated levels, J, π of low-lying positive-parity ground, β and γ bands, and Kπ=0-, 1- bands, B(E1) between states of the ground state bands and first 0- bands. Extended proton-neutron symplectic model. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.054304
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2019GA13      Phys.Rev. C 99, 054305 (2019)

H.G.Ganev

Microscopic structure of the low-lying negative-parity states in ¹⁵⁴Sm

NUCLEAR STRUCTURE ¹⁵⁴Sm; calculated levels, J, π of low-lying positive-parity ground, β and γ bands, and Kπ=0-, 1- bands, SU(3) probability distributions for the wave functions of the Kπ=0- and 1- bands, signature-splitting index, staggering function, and intraband B(E2) values for Kπ=0- band. Proton-neutron symplectic model. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.054305
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2019GA17      Nucl.Phys. A987, 112 (2019)

H.G.Ganev

U(6) quasi-dynamical symmetry in ²³⁸U

NUCLEAR STRUCTURE ²³⁸U; calculated microscopic structure of low-lying positive-parity states of the lowest ground, β and γ bands using proton-neutron symplectic model with Sp(12, R) dynamical algebra and Hamiltonian diagonalized in U(6)-coupled basis, calculated levels of three bands, enhanced intraband B(E2) transitional strengths between states of the ground band; deduced good agreement without the use of an effective charge, small admixtures from higher major shells and highly coherent mixing of different U(6) irreps.

doi: 10.1016/j.nuclphysa.2018.10.093
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2018GA08      Int.J.Mod.Phys. E27, 1850021 (2018)

H.G.Ganev

Matrix elements of the proton-neutron symplectic model

doi: 10.1142/S0218301318500210
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2018GA27      Phys.Rev. C 98, 034314 (2018)

H.G.Ganev

Structure of the low-lying positive-parity states in ¹⁵⁴Sm

NUCLEAR STRUCTURE ¹⁵⁴Sm; calculated levels, J, π, g.s., β, and γ bands, B(E2), and SU(3) probability distributions of the wave functions for the 0+ states in the g.s. and β band, and 2+ states in the γ band using proton-neutron symplectic model with Sp(12, R) dynamical algebra.

doi: 10.1103/PhysRevC.98.034314
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2015GA22      Eur.Phys.J. A 51, 84 (2015)

H.G.Ganev

Shell-model representations of the proton-neutron symplectic model

NUCLEAR STRUCTURE ¹⁶⁸Er; calculated low-lying collective states as product of microscopically based U(6) structure with necessary SU(3) multiplets.

doi: 10.1140/epja/i2015-15084-1
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2014GA11      Phys.Rev. C 89, 054311 (2014)

H.G.Ganev

Simultaneous description of low-lying positive and negative parity bands in heavy even-even nuclei

NUCLEAR STRUCTURE ^148,150Nd, ^152,154Sm, ²²⁶Ra, ²³⁰Th; calculated levels, J, π, low-lying bands, staggering function, intraband B(E1) and B(E2). Symplectic interacting vector boson model with Sp(12, R) dynamical symmetry group. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.054311
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2014GA32      Eur.Phys.J. A 50, 183 (2014)

H.G.Ganev

Collective degrees of freedom of the two-component nuclear system

doi: 10.1140/epja/i2014-14183-9
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2013GA24      Eur.Phys.J. A 49, 55 (2013)

H.G.Ganev

Axial asymmetry in the IVBM

NUCLEAR STRUCTURE ¹¹²Ru, ^190,192Os; calculated levels, J, π, B(E2), B(M1), γ-bands using two-fluid IVBM (interacting vector boson model). Compared with data and other calculations.

doi: 10.1140/epja/i2013-13055-2
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2012GA47      Phys.Rev. C 86, 054311 (2012)

H.G.Ganev

Transition probabilities in the U(3, 3) limit of the symplectic interacting vector boson model

NUCLEAR STRUCTURE ¹⁰⁴Ru, ¹⁹²Os, ^192,194Pt; calculated B(E2) for ground-state band. ¹⁰⁴Ru; calculated level energies of ground and γ bands. Interacting vector boson model in U(3, 3) limit. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.054311
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2011GA12      Phys.Rev. C 83, 034307 (2011)

H.G.Ganev

Phase structure of the interacting vector boson model

doi: 10.1103/PhysRevC.83.034307
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2011GA45      Phys.Rev. C 84, 054318 (2011)

H.G.Ganev

Triaxial shapes in the interacting vector boson model

NUCLEAR STRUCTURE ¹⁹²Os; calculated levels, J, π, bands, scaled energy surface contours. Two-fluid interacting vector boson model (IVBM). Comparison with experimental data.

doi: 10.1103/PhysRevC.84.054318
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2010GA24      Phys.Rev. C 82, 034328 (2010)

H.G.Ganev, S.Brant

Structure of the doublet bands in doubly odd nuclei: The case of ¹²⁸Cs

NUCLEAR STRUCTURE ¹²⁸Cs; calculated levels, J, π of yrast and side bands, B(E2), quadrupole moments, and B(M1) of ΔJ=1 doublet bands using interacting vector boson-fermion model. Comparison with experimental data and with predictions of quadrupole coupling model (QCM) and core-quasiparticle coupling model (CQPCM). ^127,128Xe, ¹²⁹Cs; calculated levels, J, π, and B(E2) using interacting vector boson-fermion model. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.034328
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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. ^{124,125,134,135}Ce, ¹³²Ba, ¹³³La; calculated level energies using interacting boson vector model (IVBM). Comparison with experimental data.

doi: 10.1103/PhysRevC.79.044322
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2008GA27      J.Phys.(London) G35, 125101 (2008)

H.G.Ganev

Collective states of the odd-mass nuclei within the framework of the interacting vector boson model

NUCLEAR STRUCTURE ¹⁵⁶Gd, ¹⁶²Dy, ¹⁷²Yb; calculated level energies, J, π. ¹⁵⁷Gd, ¹⁶³Dy, ¹⁷³Yb; calculated level energies, J, π, B(E2). Comparison with experimental data. Interacting vector boson model calculations.

doi: 10.1088/0954-3899/35/12/125101
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2007GA52      Phys.Rev. C 76, 054322 (2007)

H.G.Ganev, A.I.Georgieva

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
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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
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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
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