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NSR database version of May 9, 2024.

Search: Author = A.V.Nikolaev

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2019BI08      Phys.Rev. C 100, 064603 (2019)

A.V.Bibikov, A.V.Nikolaev, E.V.Tkalya

Estimation of the decay rate of ⁷Be and ⁷Be₂ encapsulated in C₇₀

RADIOACTIVITY ⁷Be(EC); calculated electron densities and decay rates of ⁷Be in different environments: ⁷Be isolated atom, ⁷Be in C₃₆, C₆₀ and C₇₀ fullerenes, ⁷Be₂ in C₇₀ fullerene, ⁷BeO, ⁷Be metal and ⁷Be²⁺ using ab initio quantum-mechanical Hartree-Fock theory, with second order correction to the total energy within the Moller-Plesset perturbation theory (MP2).

doi: 10.1103/PhysRevC.100.064603
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2016TK01      Phys.Rev. C 94, 014323 (2016)

E.V.Tkalya, A.V.Nikolaev

Magnetic hyperfine structure of the ground-state doublet in highly charged ions ²²⁹Th^{89+, 87+} and the Bohr-Weisskopf effect

ATOMIC PHYSICS ^229,229mTh; calculated magnetic hyperfine (MHF) structure of the doublet consisting of 5/2+ ground-state and 3/2+ 7.8-eV isomeric state in highly ionized ²²⁹Th⁸⁹⁺ and ²²⁹Th⁸⁷⁺, radiative widths and times between sublevels of the MHF structure, B(M1). The ab initio numerical calculations inside and outside the nuclear region within the density functional method (DFT).

doi: 10.1103/PhysRevC.94.014323
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2014BI09      Phys.Rev. C 90, 019802 (2014)

A.V.Bibikov, A.V.Avdeenkov, I.V.Bodrenko, A.V.Nikolaev, E.V.Tkalya

Reply to "Comment on 'Theoretical study of the pressure effect on the electron-capture β decay of ⁷Be in ⁷BeO and ⁷Be(OH)₂'"

RADIOACTIVITY ⁷Be(EC); discussed rate of increase in nuclear decay constant Λ in ⁷BeO with pressure, and comparison with experimental data. Hartree-Fock calculations.

doi: 10.1103/PhysRevC.90.019802
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2013BI11      Phys.Rev. C 88, 034608 (2013)

A.V.Bibikov, A.V.Avdeenkov, I.V.Bodrenko, A.V.Nikolaev, E.V.Tkalya

Theoretical study of the pressure effect on the electron-capture β decay of ⁷Be in ⁷BeO and ⁷Be(OH)₂

RADIOACTIVITY ⁷Be(EC); calculated rates of increase of nuclear decay constant as function of pressure in ⁷BeO and ⁷Be(OH)₂ compounds; discussed reasons for disagreement with experimental data. Possible phase transitions in compounds. Ab initio quantum mechanical methods based on the Hartree-Fock approach.

doi: 10.1103/PhysRevC.88.034608
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2012TK02      Phys.Rev. C 86, 014608 (2012)

E.V.Tkalya, A.V.Avdeenkov, A.V.Bibikov, I.V.Bodrenko, A.V.Nikolaev

Electron capture β decay of ⁷Be located inside and outside the C₃₆ fullerene

RADIOACTIVITY ⁷Be(EC); calculated electron densities, half-lives as a function of temperature (5 K and 293 K), ground-state energies, energy minima and equilibrium geometries of ⁷Be located inside and outside of C₃₆ and C₆₀ fullerene complexes using the Hartree-Fock method with electron correlation treatment according to MP2 or SDCI.

doi: 10.1103/PhysRevC.86.014608
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