36 citations · 190 across the 18 of their papers we have counts for
19 papers
Total decay rate of a muon bound to a light nucleus
Andrzej Czarnecki, A. O. Davydov, M. Y. Kaygorodov
We revisit the total decay rate of a muon being in the ground state of a Coulomb potential with atomic charge numbers . The discrepancy between the perturbative $(α…
Study of atomic effects on electron spectrum in bound-muon decay process
M. Y. Kaygorodov, Y. S. Kozhedub, A. V. Malyshev +3
For the bound-muon decay process, the study of atomic effects on the electron spectrum near its endpoint is performed within the framework of the Fermi effective theory. The analys…
Self-energy correction to the E1 transition amplitudes in hydrogen-like ions
M. G. Kozlov, M. Y. Kaygorodov, Yu. A. Demidov +1
We present calculations of the self-energy correction to the transition amplitudes in hydrogen-like ions, performed to all orders in the nuclear binding strength parameter. Ou…
QED calculations of the E1 transition amplitude in neon-like iron and nickel
M. G. Kozlov, V. A. Yerokhin, M. Y. Kaygorodov. +1
We calculated QED corrections to the transition amplitudes in Ne-like iron and nickel. For the transitions the dominant effect came from the many-electron mixing,…
Calculations of the binding-energy differences for highly-charged Ho and Dy ions
I. M. Savelyev, M. Y. Kaygorodov, Y. S. Kozhedub +2
The binding-energy differences for and ions with ionization degrees , , and are calculated. The calculations are…
Relativistic calculations of the energies of the low-lying , , states and the probabilities of the one-photon transitions in heliumlike uranium
N. K. Dulaev, M. Y. Kaygorodov, A. V. Malyshev +2
For heliumlike uranium, the energies of the singly-excited , , and states with and the probabilities of the one-photon , ,…
Model-QED-operator approach to relativistic calculations of the nuclear recoil effect in many-electron atoms and ions
I. S. Anisimova, A. V. Malyshev, D. A. Glazov +4
A model-operator approach to fully relativistic calculations of the nuclear recoil effect on energy levels in many-electron atomic systems is worked out. The one-electron part of t…
Ground state of superheavy elements with : systematic study of the electron-correlation, Breit, and QED effects
I. M. Savelyev, M. Y. Kaygorodov, Y. S. Kozhedub +3
For superheavy elements with atomic numbers , the concept of the ground-state configuration is being reexamined. To this end, relativistic calculations of the e…
Precise determination of the 2s22p5-2s2p6 transition energy in fluorine-like nickel utilizing a low-lying dielectronic resonance
S. X. Wang, Z. K. Huang, W. Q. Wen +24
High precision spectroscopy of the low-lying dielectronic resonances in fluorine-like nickel ions were determined by employing the merged electron-ion beam at the heavy-ion storage…
Ionization potentials and electron affinities of Rg, Cn, Nh, and Fl superheavy elements
M. Y. Kaygorodov, D. P. Usov, E. Eliav +8
The successive ionization potentials (IPs) and electron affinities (EAs) for superheavy elements with , namely, Rg, Cn, Nh, and Fl are reexamined using the rel…
Multiple-ionization energy difference of 163Ho and 163Dy atoms
I. M. Savelyev, M. Y. Kaygorodov, Y. S. Kozhedub +2
The multiple-ionization energy difference of 163Ho and 163Dy atoms is evaluated for the ionization degree q = 30, 48, 56. The calculations are performed by means of the large-scale…
Electron affinity of oganesson
M. Y. Kaygorodov, L. V. Skripnikov, I. I. Tupitsyn +7
The electron affinity (EA) of superheavy element Og is calculated by the use of the relativistic Fock-space coupled cluster (FSCC) and configuration interaction methods. The FSCC c…
Relativistic calculations of the chemical properties of the superheavy element with and its homologues
I. I. Tupitsyn, A. V. Malyshev, D. A. Glazov +4
Relativistic calculations of the electronic structure of the superheavy element of the eighth period eka-francium () and its homologues, which form the group of alkali m…
QED theory of the normal mass shift in few-electron atoms
A. V. Malyshev, I. S. Anisimova, D. A. Glazov +4
The electron-electron interaction correction of first order in to the one-electron part of the nuclear recoil effect on binding energies in atoms and ions is considered withi…
QED corrections to the fine structure in fluorinelike ions: model Lamb shift operator approach
V. M. Shabaev, I. I. Tupitsyn, M. Y. Kaygorodov +3
In [Li , Phys. Rev. A , 020502(R) (2018)] it was claimed that the model-potential computations of the Lamb shift on the fine stru…
Isotope shifts of the - transition energies in Be-like thorium and uranium
N. A. Zubova, I. S. Anisimova, M. Yu. Kaygorodov +7
Precise calculations of the isotope shifts in berylliumlike thorium and uranium ions are presented. The main contributions to the field and mass shifts are calculated within the fr…
Relativistic calculations of the ground and inner-L-shell excited energy levels of berylliumlike ions
M. Y. Kaygorodov, Y. S. Kozhedub, I. I. Tupitsyn +4
Large-scale relativistic configuration-interaction method combined with many-body perturbation theory is consistently applied to calculations of the energy levels of the ground and…
Stringent tests of QED using highly charged ions
V. M. Shabaev, A. I. Bondarev, D. A. Glazov +7
The present status of tests of QED with highly charged ions is reviewed. The theoretical predictions for the Lamb shift and the transition energies are compared with available expe…
Binding energies of the states of berylliumlike xenon
A. V. Malyshev, D. A. Glazov, Yu. S. Kozhedub +4
Binding energies of the and levels of the electron configuration in berylliumlike xenon are rigorously evaluated using ab initio QED approach. All re…