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Aufsatz
Ions of the superheavy elements in vacuum and in solution
(1976)
The extension of the Periodic Table into the range of unknown atomic numbers of above
one hundred requires relativistic calculations. The results of the latter are used to indicate probable values for X-ray transition lines which will be useful for identification of the atomic species formed
during collision between accelerated ions and the target. If the half-lives of the isotopes are long, then the chemistry of these new species becomes an important question which is reviewed for E110, E 111
and E112.
The ...
Aufsatz
Relativity and screening effects in heavy-ion collisions
(1975)
Diatomic correlation diagrams are the main basis for the description of heavy-ion collisions. We have constructed the first realistic relativistic many-electron correlation diagrams based on nonrelativistic self-consistent-field, Hartree-Fock calculations of diatomic molecules plus relativistic corrections. We discuss the relativistic influences as well as the many-electron screening effects in the I-Au system with a combined charge of Z = 132 as an example.
Aufsatz
Self-consistent relativistic molecular calculations of superheavy molecules: (_110 X)F_6
(1978)
Using new relativistic molecular calculations within the Dirac-Slater scheme it is now
feasible to study theoretically molecules containing superheavy elements. This opens a
new era for the prediction of the physics and chemistry of superheavy elements. As an
example we present the results for (_110 X) F_6, where it is shown that relativistic effects are nearly of the same order of magnitude as the crystal-field splitting.
Aufsatz
Equilibrium K-shell excitation of highly ionized neon
(1979)
Augerelectron emission from foil-excited Ne-ions (6 to 10 MeV beam energy) has been
measured. The beam-foil time-of-flight technique has been applied to study electronic transitions of metastable states (delayed spectra) and to determine their lifetimes. To achieve a line identification for the complex structure observed in the prompt spectrum, the spectrum is separated into its isoelectronic parts by an Augerelectron-ion coincidence correlating the emitted electrons and the emitting projectiles of well defined final ...