Atomic line opacities play a crucial role in stellar astrophysics. They strongly modify the radiative transfer in stars, therefore, impacting their physical structure. Ultimately, most of our knowledge of stellar population ...

In this work we analyze the spectrum of the iso-electronic series of the helium atom by using the hypespherical adiabatic method. This method allows the study of the energy levels of atomic systems by means of a set of ...

The crystal structure of the title compound, a promising ligand for chelatoterapies in the treatment of Alzheimer`s disease, has been determined by single crystal X-ray diffractometry. The compound crystallized in the ...

Diffraction patterns produced by fast He atoms grazingly impinging on a LiF(001) surface are investigated focusing on the influence of the beam collimation. Single- and double-slit collimating devices situated in front of ...

Diffraction patterns produced by grazing scattering of fast atoms from insulator surfaces are used to examine the atom-surface interaction. The method is applied to He atoms colliding with a LiF(001) surface along axial ...

Conjuntamente con las líneas de diagrama presentes en un espectro de emisión de rayos x, existen líneas de menor intensidad llamadas líneas satélites. En esta tesis se realizó un estudio de este espectro satélite en muestras ...