ATOM COLLISIONS COLISIONES ATÓMICAS ELECTRONS EXCITED STATES HELIUM 3 BEAMS HIDROGENO HYDROGEN RYDBERG EQUATION Rydberg atoms and electron transfer to the continuum spectra SPECTROMETER ARGON ATOMIC BEAMS Analysis of experimental veloc:ity distributions of convoy electrons CADMIUM CHARGE DISTRIBUTION CHARGE EQUILIBRIUM CHARGE EXCHANGE COLISIONES COLLISIONS CONVOY ELECTRONS Charge Equilibrium Fractions o f a Helium Beam in Hydrogen, Nitrogen, Neón, and Argón fro 60 to 850 Kev Charge equilibrium of helium ions in helium gas from 60 to 840 keV DEUTERIO DEUTERIUM DIFFERENTIAL CROSS SECTIONS DISTRIBUTION CONSTANTS Diseño y mediciones con una fuente de iones del tipo de arco colimado en campo magnético II EFECTOS DE ISOTOPOS EFFECTIVE CHARGE ELECTRON EMISSION