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NSR database version of April 27, 2024.

Search: Author = A.Y.Dzyublik

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2022DZ01      Phys.Rev. C 106, 064608 (2022)

A.Ya.Dzyublik

Quasiclassical theory of ^229mTh excitation by laser pulses via electron bridges

NUCLEAR REACTIONS ²²⁹Th(γ, γ')^229mTh, E=monochromatic laser photons; calculated probability of 8.2 eV isomer ^229mTh excitation by laser pulse via electron bridge processes. Two types of electron bridge are taken into consideration: via the continuous electron spectrum and via discrete atomic levels. Comparison with other models.

doi: 10.1103/PhysRevC.106.064608
Citations: PlumX Metrics

2022GO01      Phys.Rev. C 105, 014608 (2022)

F.Gobet, A.Ya.Dzyublik, G.Gosselin, V.Meot, M.Versteegen

Expected yields of ¹⁸¹Ta(e, e')¹⁸¹Ta^* in the multi-keV range with a plasma-cathode electron beam

NUCLEAR REACTIONS ¹⁸¹Ta(e, e'), E=10-30 keV electron beam from a biased laser plasma; calculated inelastic excitation σ(E) using DWBA method in screened and unscreened Coulomb nuclear field, and compared with other theoretical calculations, energy distributions of the electrons impinging the anode, number of γ-ray photons and conversion electrons exiting the anode as a function of the tantalum anode thickness for various target voltages at various target voltages, nuclear excitation yields and DWBA σ(E) through the detection of conversion electrons for the 6.2-keV transition in ¹⁸¹Ta, and with the inclusion of effects of electron-beam heating and the plasma deposition on the tantalum target, number of nuclear excitations in tantalum anode as a function of the thickness of the aluminum layer. ¹⁸¹Ta; calculated internal-conversion coefficients and probability of electron emission for E1 transition using the code CATAR for the 6.2-keV transition in ¹⁸¹Ta.

doi: 10.1103/PhysRevC.105.014608
Citations: PlumX Metrics

2021DZ01      Ukr.J.Phys. 66, 379 (2021)

A.Ya.Dzyublik

Consistent Theory of Alpha-Decay

RADIOACTIVITY ^{230,232,234,236,238}U(α); calculated partial T_1/2 to the excited states. Comparison with available data.

doi: 10.15407/ujpe66.5.379
Citations: PlumX Metrics

2020DZ03      Phys.Rev. C 102, 024604 (2020)

A.Ya.Dzyublik

Excitation of ^229mTh in the electron bridge via continuum, as a scattering process

NUCLEAR REACTIONS ²²⁹Th(γ, γ')^229mTh, E=monochromatic laser photons; calculated cross section of the electron bridge (EB) via continuum for excitation of the 8-eV ²²⁹Th isomer by a monochromatic laser wave, with the EB treated as a two-step process in the framework of scattering theory for the atomic-nuclear system with two overlapping resonances.

doi: 10.1103/PhysRevC.102.024604
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2016DZ03      Phys.Atomic Nuclei 79, 351 (2016)

A.Ya.Dzyublik

Combinedatomic-nuclear decay

RADIOACTIVITY ¹⁵³Gd(EC). ¹⁵³Eu[from K-electron capture]; calculated K-electron decay probability, T_1/2 (decay of ¹⁵³Gd); deduced it to be much below recent data.

doi: 10.1134/S1063778816030091
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2014DZ02      Phys.Rev. C 90, 054619 (2014)

A.Y.Dzyublik

Influence of electronic environment on α decay

RADIOACTIVITY ¹⁴⁴Nd, ^147,148Sm, ^210,212Po, ^213,220Fr, ^214,222Rn, ²²⁶Ra, ²⁵²Cf, ²⁴¹Es(α); calculated effect on half-lives due to atomic and conductivity electrons in metal matrices; deduced ≈1% increase in half-life of the nucleus surrounded by electrons than that of the bare nucleus. Standard Debye-Huckel and Thomas-Fermi models not applicable for α decay rate. Comparison with other studies.

doi: 10.1103/PhysRevC.90.054619
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2013DZ01      Europhys.Lett. 102, 62001 (2013)

A.Ya.Dzyublik, G.Gosselin, V.Meot, P.Morel

Role of screening in Coulomb excitation of nuclei by electrons in hot plasma

NUCLEAR REACTIONS ²⁰¹Hg(E, E'), E<6 keV; calculated Coulomb excitation σ on the energy of incident electrons for different screening radii.

doi: 10.1209/0295-5075/102/62001
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2013DZ02      Ukr.J.Phys. 58, 618 (2013)

A.Ya.Dzyublik

Nuclear Excitation by Electron Transitions

NUCLEAR STRUCTURE ¹⁷⁸Hf; analyzed available data; deduced theory of the nuclear excitation by an electron transition (NEET) induced by x-rays on the basis of the strict collision theory.

doi: 10.15407/ujpe58.07.0618
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2013DZ03      Phys.Rev. C 88, 054616 (2013)

A.Ya.Dzyublik

General theory of nuclear excitation by electron transitions

NUCLEAR REACTIONS ¹⁹⁷Au, ¹⁸⁹Os(γ, X), E=low; calculated cross sections for nuclear excitation by electron transition (NEET), photoabsorption of x rays, and fine structure of the NEET curve using collision theory combined with quantum electrodynamics. Comparison with experimental results.

doi: 10.1103/PhysRevC.88.054616
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2010DZ03      Iader.Fiz.Enerh. 11, 389 (2010); Nuc.phys.atom.energ. 11, 389 (2010)

A.Ya.Dzyublik

Decay acceleration of isomers by X-ray laser

2009DZ02      Phys.Atomic Nuclei 72, 950 (2009)

A.Ya.Dzyublik, V.V.Utyuzh

Mixing of prolate and oblate shapes by tunneling in γ direction

doi: 10.1134/S1063778809060076
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2009GO02      Phys.Rev. C 79, 014604 (2009)

G.Gosselin, N.Pillet, V.Meot, P.Morel, A.Ya.Dzyublik

Nuclear transition induced by low-energy unscreened electron inelastic scattering

NUCLEAR REACTIONS ¹¹⁰Ag, ²⁰¹Hg(e, e'), E=1-100 keV; calculated σusing DWBA, PWBA, and WKB formalism.

doi: 10.1103/PhysRevC.79.014604
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2008DZ01      Ukr.J.Phys. 53, 120 (2008)

A.Ya.Dzyublik, V.Yu.Spivak

Shake-off for conductivity electrons in metals caused by nuclear decay

2007DZ01      Iader.Fiz.Enerh. 8 no.4, 40 (2007); Nuc.phys.atom.energ. 8, no.4, 40 (2007)

A.Ya.Dzyublik, V.V.Utyuzh

Tunneling along γ-axis between prolate and oblate shapes

NUCLEAR STRUCTURE ⁷⁴Kr; calculated B(E0) transition strength between first excited 0⁺ and ground 0⁺ states. Study of the rotational and monopole+quadrupole vibrations. Comparison to experimental data.

doi: 10.15407/jnpae
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2005DZ04      Iader.Fiz.Enerh. 6 no.2, 73 (2005)

A.Ya.Dzyublik, V.V.Utyuzh

Peculiarities of the decay of rotational bands in superdeformed nuclei

NUCLEAR STRUCTURE ¹⁹⁴Hg, ¹⁹⁴Pb; calculated superdeformed bands decay features. Green function equations.

doi: 10.15407/jnpae
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2003DZ01      Yad.Fiz. 66, 694 (2003); Phys.Atomic Nuclei 66, 665 (2003)

A.Ya.Dzyublik

Tunneling between Asymmetric Potential Wells and Mixing of Normal and Superdeformed Nuclear Bands

NUCLEAR STRUCTURE ¹³³Nd; calculated band-mixing features between normal and superdeformed rotational bands.

doi: 10.1134/1.1568817
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2003DZ02      Phys.Rev. C 68, 024311 (2003)

A.Ya.Dzyublik, V.V.Utyuzh

Decay out of superdeformed bands

NUCLEAR STRUCTURE ^192,194Hg, ¹⁹⁴Pb; calculated widths, related parameters characterizing decay out of superdeformed bands. Green's function approach.

doi: 10.1103/PhysRevC.68.024311
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2003DZ05      Ukr.J.Phys. 48, 760 (2003)

A.Ya.Dzyublik, V.V.Utyuzh

Peculiarities of the rotational bands of superdeformed nuclei

NUCLEAR STRUCTURE ¹⁴⁸Gd, ¹⁵⁶Er, ¹⁵⁸Yb, ^192,194Hg, ^194,196Pb; calculated superdeformed bands transition energies, intensities, decay-out features. Generalized two-level model, comparison with data.

2001DZ01      Acta Phys.Pol. B32, 675 (2001)

A.Ya.Dzyublik

Unusual Transitions in Nuclei

2000DZ02      Iader.Fiz.Enerh. 1, no.2, 34 (2000); Nuc.phys.atom.energ. 1, no.2, 34 (2000)

A.Ya.Dzyublik, V.V.Utyuzh

Rotation of superdeformed even-even nuclei

NUCLEAR STRUCTURE ^190,192,194Hg, ^192,194Pb, ¹⁹⁸Po; calculated levels, J, π. Generalized Bohr-Mottelsson equation for the case of arbitrary deformation. Comparison to experimental data.

doi: 10.15407/jnpae
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1999DZ02      Pisma Zh.Eksp.Teor.Fiz. 70, 565 (1999); JETP Lett. 70, 569 (1999)

A.Ya.Dzyublik

Suppression of Incoherent Scattering of Mossbauer Radiation by Nuclei in a Reversing Magnetic Field

doi: 10.1134/1.568216
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1995DE13      Nucl.Phys. A589, 17 (1995)

V.Yu.Denisov, A.Ya.Dzyublik

Collective States of Even-Even and Odd Nuclei with β₂, β₃, ..., β(N) Deformations

NUCLEAR STRUCTURE ^144,146Ba, ¹⁴⁶Ce, ^146,148,150Nd, ¹⁵¹Pm, ¹⁵⁰Sm, ^220,222Rn, ^217,219,221Fr, ^{218,219,220,221,222,223,224,225,226,227,228}Ra, ^{219,223,225,227}Ac, ^{220,221,222,223,224,225,226,228,229}Th; calculated levels, B(λ) ratios. Extended generalization of the Davydov-Chaban model.

doi: 10.1016/0375-9474(95)00075-C
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1993DE18      Yad.Fiz. 56, No 4, 96 (1993); Phys.Atomic Nuclei 56, 477 (1993); CORRIGENDA Phys.Atomic Nuclei 57, 1275 (1994)

V.Yu.Denisov, A.Ya.Dzyublik

Collective Excitations in Odd Nuclei with Quadrupole and Octupole Deformations

NUCLEAR STRUCTURE ^221,223,225Th, ²¹⁹Ac; calculated levels. ^217,210Ra; calculated levels, B(λ) ratio. Simple analytic approach.

1993DZ01      Yad.Fiz. 56, No 3, 30 (1993); Phys.Atomic Nuclei 56, 303 (1993); CORRIGENDA Phys.Atomic Nuclei 57, 1275 (1994)

A.Ya.Dzyublik, V.Yu.Denisov

Collective States of Even-Even Nuclei with Quadrupole and Octupole Deformations

NUCLEAR STRUCTURE ^220,218Ra, ^220,222Th; calculated levels, B(λ). Simple analytical model.

1986DZ01      Ukr.Fiz.Zh. 31, 810 (1986)

A.Ya.Dzyublik, I.E.Kashuba

Diffraction Scattering of Fast Neutrons by Deformed Even-Even Nuclei

NUCLEAR REACTIONS ⁷⁶Se(n, n'), E=8 MeV; calculated σ(θ). Davydov-Chaban model.

1983AB04      Ukr.Fiz.Zh. 28, 563 (1983)

T.Sh.Abesadze, A.Ya.Dzyublik

Certain Possible Double γ-Nuclear Magnetic Resonances

NUCLEAR REACTIONS ⁵⁷Fe(γ, γ), E=14.4 keV; calculated Mossbauer absorption, scattering; deduced double γ-nuclear magnetic resonance, spin-spin interaction correction. Polarized ⁵⁷Fe crystal.

1972DZ08      Yad.Fiz. 15, 869 (1972); Sov.J.Nucl.Phys. 15, 487 (1972)

A.Y.Dzyublik, V.I.Ovcharenko, A.I.Steshenko, G.F.Filippov

Derivation of Bohr-Mottelson Collective Model Equations on the Basis of the Many-Body Problem Hamiltonian