activity
20122025
most citedNuclear charge radii of silicon isotopes

38 citations · 249 across the 20 of their papers we have counts for

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Showing 2020Show all

5 papers · 1 filter

physics.chem-ph2020

Ab initio study and assignment of electronic states in molecular RaCl

T. A. Isaev, A. V. Zaitsevskii, A. Oleynichenko +5

Radium compounds have attracted recently considerable attention due to both development of experimental techniques for high-precision laser spectroscopy of molecules with short-liv…

physics.comp-ph2020

Ab initio relativistic treatment of the intercombination Cameron system of the CO molecule

Nikolai S. Mosyagin, Alexander V. Oleynichenko, Andrei Zaitsevskii +3

The intercombination Cameron system of carbon monoxide has been computationally studied in the framework of multi-reference Fock space coupled cluster method with th…

physics.atom-ph2020

The branching ratio of intercombination transitions in the RbCs molecule: measurements and calculations

Valts Krumins, Artis Kruzins, Maris Tamanis +6

We observed the laser-induced fluorescence (LIF) spectra of the RbCs molecule excited from the ground state by the Ti:Sapphire laser. Th…

physics.atom-ph2020★ 19 cited

Diagonal and off-diagonal hyperfine structure matrix elements in KCs within the relativistic Fock space coupled cluster theory

Alexander V. Oleynichenko, Leonid V. Skripnikov, Andrei Zaitsevskii +2

The four-component relativistic Fock space coupled cluster method is used to describe the magnetic hyperfine interaction in low-lying electronic states of the KCs molecule. Both di…

physics.comp-ph2020

Towards High Performance Relativistic Electronic Structure Modelling: The EXP-T Program Package

Alexander V. Oleynichenko, Andréi Zaitsevskii, Ephraim Eliav

Modern challenges arising in the fields of theoretical and experimental physics require new powerful tools for high-precision electronic structure modelling; one of the most perspe…