NSR Query Results

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NSR database version of April 11, 2024.

Search: Author = L.F.Vitushkin

Found 4 matches.

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2022KA09      Phys.Rev. C 105, 024307 (2022)

F.F.Karpeshin, M.B.Trzhaskovskaya, L.F.Vitushkin

Prospects for studying the effect of electronic screening on α decay in storage rings

RADIOACTIVITY 212,213,214,220,221,222,224,226Ra, 221Po, 196,197,198,199,200,201,202At, 222,223Ac, 212,219,220Rn, 213,220,221Fr(α); calculated T1/2 for bare nuclei and He-like ions. Adiabatic approach.

doi: 10.1103/PhysRevC.105.024307
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2020KA52      Phys.Atomic Nuclei 83, 608 (2020)

F.F.Karpeshin, M.B.Trzhaskovskaya, L.F.Vitushkin

Nonresonance Shake Mechanism in Neutrinoless Double Electron Capture

RADIOACTIVITY 152Gd(2EC); calculated probability for the shake followed by electron-shell ionization occurring in the course of nucleus transformation; deduced a correction to the decay constant.

doi: 10.1134/S1063778820030126
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2020KA61      Bull.Rus.Acad.Sci.Phys. 84, 1207 (2020)

F.F.Karpeshin, M.B.Trzhaskovskaya, L.F.Vitushkin

Electron Recombination as a Way of Deexciting the 129mSb Isomer

RADIOACTIVITY 129Sb(IT), (EC); calculated Nuclear Excitation via Electron Capture (NEEC) σ, coefficient of internal conversion (ICC) for the electron shell of the nucleus in its final state, radiation width of the excited nuclear levels. Comparison with available data.

doi: 10.3103/S1062873820100135
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2020VI10      Phys.Atomic Nuclei 83, 775 (2020)

L.F.Vitushkin, F.F.Karpeshin, M.B.Trzhaskovskaya

Fundamental Problems in Creating a Nuclear Optical Frequency Standard on the Basis of 229Th

RADIOACTIVITY 229Th(IT); analyzed available data; calculated B(E2), B(M1), radiative widths; deduced a probable solution to the thorium puzzle, the first ever observation of the dependence of the nuclear-isomer lifetime on ambient conditions, the smoothing role of single-electron levels, which renders the resonance amplification of the electron-nucleus interaction more probable.

doi: 10.1134/S1063778820050208
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