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10 papers · 2 filters
Relativistic calculations of double -shell photoionization for neutral medium- atoms
V. A. Yerokhin, A. Surzhykov, S. Fritzsche
Fully relativistic calculations are presented for the double -shell photoionization cross section for several neutral medium- atoms, from magnesium () up to silver ($…
Stepwise contraction of the nf Rydberg shells in the 3d photoionization of multiply-charged xenon ions
S. Schippers, A. Borovik, T. Buhr +8
Triple photoionization of Xe3+, Xe4+ and Xe5+ ions has been studied in the energy range 670-750 eV, including the 3d ionization threshold. The photon-ion merged-beam technique was…
Electron-positron pair creation in low-energy collisions of heavy bare nuclei
I. A. Maltsev, V. M. Shabaev, I. I. Tupitsyn +4
A new method for calculations of electron-positron pair-creation probabilities in low-energy heavy-ion collisions is developed. The approach is based on the propagation of all one-…
Relativistic configuration-interaction calculation of transition energies in beryllium-like argon
V. A. Yerokhin, A. Surzhykov, S. Fritzsche
Relativistic configuration-interaction calculations have been performed for the energy levels of the low-lying and core-excited states of beryllium-like argon, Ar. These ca…
Parity nonconservation effect in the resonance elastic electron scattering on heavy He-like ions
V. A. Zaytsev, A. V. Maiorova, V. M. Shabaev +2
We investigate the parity nonconservation effect in the elastic scattering of polarized electrons on heavy He-like ions, being initially in the ground state. The enhancement of the…
Relativistic calculations of the isotope shifts in highly charged Li-like ions
N. A. Zubova, Y. S. Kozhedub, V. M. Shabaev +5
Relativistic calculations of the isotope shifts of energy levels in highly charged Li-like ions are performed. The nuclear recoil (mass shift) contributions are calculated by mergi…