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Physicists have traced the double ionization of argon atoms on attosecond time scales. When an intense laser pulse interacts with an atom it generates agitation on the micro scale. The most likely ...

THE position of argon in a classification of the elements depending on atomic weights has been recently defined by C. J. Reed (Journal of the Franklin Institute, July). The elements are assigned ...

A schematic diagram of proton and neutron distributions for mirror nuclei argon-31 and aluminum-31. Left side is the weakly bound proton-rich nucleus argon-31, which is predicted to exhibit a ...