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6 papers · 2 filters
Precision Spectroscopy of Pionic Atoms: From Pion Mass Evaluation to Tests of Chiral Perturbation Theory
Martino Trassinelli
Preliminary results of the strong interaction shift and width in pionic hydrogen () using an X-ray spectrometer with spherically bent crystals and CCDs as X-ray detector are pr…
Interelectronic-interaction effect on the transition probability in high-Z He-like ions
Paul Indelicato, V. M. Shabaev, A. V. Volotka
The interelectronic-interaction effect on the transition probabilities in high-Z He-like ions is investigated within a systematic quantum electrodynamic approach. The calculation f…
X-ray energies of circular transitions and electrons screening in kaonic atoms
J. P. Santos, F. Parente, Paul Indelicato +2
The QED contribution to the energies of the circular (n,l=n-1), 2 ≤ n ≤ 19 transitions have been calculated for several kaonic atoms throughout the periodic table, usin…
The nonrelativistic limit of Dirac-Fock codes: the role of Brillouin configurations
Paul Indelicato, Eva Lindroth, Jean-Paul Desclaux
We solve a long standing problem with relativistic calculations done with the widely used Multi-Configuration Dirac-Fock Method (MCDF). We show, using Relativistic Many-Body Pertur…
First observation of feshbach resonances at very low magnetic field in a 133Cs fountain
H. Marion, S. Bize, L. Cacciapuoti +9
One of the main limitations of cesium atomic fountains has been the cold collision frequency shift. By using a method based on a transfer of population by adiabatic passage allowin…
Bloch oscillations of ultracold atoms: a tool for a metrological determination of
Remy Battesti, Pierre Clade, Saida Guellati-Khelifa +5
We use Bloch oscillations in a horizontal moving standing wave to transfer a large number of photon recoils to atoms with a high efficiency (99.5% per cycle). By measuring the phot…